CN117326742A - Control method and device for industrial strong brine treatment - Google Patents
Control method and device for industrial strong brine treatment Download PDFInfo
- Publication number
- CN117326742A CN117326742A CN202311374676.2A CN202311374676A CN117326742A CN 117326742 A CN117326742 A CN 117326742A CN 202311374676 A CN202311374676 A CN 202311374676A CN 117326742 A CN117326742 A CN 117326742A
- Authority
- CN
- China
- Prior art keywords
- organic
- salt
- brine
- treatment
- industrial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012267 brine Substances 0.000 title claims abstract description 208
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 title claims abstract description 208
- 238000000034 method Methods 0.000 title claims abstract description 131
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 168
- 150000003839 salts Chemical class 0.000 claims abstract description 122
- 239000005416 organic matter Substances 0.000 claims abstract description 111
- 239000000243 solution Substances 0.000 claims abstract description 52
- 239000012266 salt solution Substances 0.000 claims abstract description 45
- 238000004064 recycling Methods 0.000 claims abstract description 26
- 238000013507 mapping Methods 0.000 claims description 75
- 238000012545 processing Methods 0.000 claims description 46
- 238000000926 separation method Methods 0.000 claims description 46
- 238000003756 stirring Methods 0.000 claims description 37
- 238000004364 calculation method Methods 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 30
- 230000001133 acceleration Effects 0.000 claims description 20
- 230000003647 oxidation Effects 0.000 claims description 20
- 238000007254 oxidation reaction Methods 0.000 claims description 20
- 238000001728 nano-filtration Methods 0.000 claims description 18
- 101100356682 Caenorhabditis elegans rho-1 gene Proteins 0.000 claims description 14
- 238000000108 ultra-filtration Methods 0.000 claims description 14
- 238000001223 reverse osmosis Methods 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 13
- 239000002071 nanotube Substances 0.000 claims description 12
- 238000007781 pre-processing Methods 0.000 claims description 11
- 238000000909 electrodialysis Methods 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 9
- 238000001556 precipitation Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000005188 flotation Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 24
- 239000000126 substance Substances 0.000 description 14
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 12
- 238000004140 cleaning Methods 0.000 description 10
- 239000012528 membrane Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000002351 wastewater Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000011010 flushing procedure Methods 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- 238000009776 industrial production Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 4
- 238000013019 agitation Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010612 desalination reaction Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002455 scale inhibitor Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000002563 ionic surfactant Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000013327 media filtration Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Physical Water Treatments (AREA)
Abstract
The application relates to the technical field of industrial strong brine treatment, and discloses a control method and a device for industrial strong brine treatment, wherein the method comprises the following steps: acquiring source information of industrial strong brine, wherein the source information comprises types and characteristics of organic matters and salts; matching corresponding pretreatment operations based on the source information to obtain pretreated brine; determining the types and the contents of organic matters in the pretreated brine, and matching corresponding organic matter treatment operations based on the determined types and contents of the organic matters to obtain a low-salt high-organic water solution and a low-organic salt solution; determining the content and the type of the organic matters in the low-salt high-organic water solution, and judging whether the content and the type of the organic matters accord with the range of the recyclable organic matters or not based on the determined content and type of the organic matters; if yes, recycling; and (3) measuring the salt concentration and the pH value in the low-organic salt solution, and matching corresponding brine treatment operation based on the measured salt concentration and pH value. The method has the advantage of improving the treatment efficiency of the industrial strong brine.
Description
Technical Field
The application relates to the field of industrial strong brine treatment, in particular to a control method and a device for industrial strong brine treatment.
Background
Industrial strong brine is high salt content water produced in industrial processes with a Total Dissolved Solids (TDS) greater than 1500 mg/L.
Currently, the treatment method of strong brine is a thermal method, a membrane method, an ion exchange method, a hydrate method, a solvent extraction method, a freezing method and the like. Among them, for example, thermal processes can be largely classified into multi-stage flash evaporation (MSF), multi-effect evaporation (MED), and pressure distillation (VC).
For different types of industrial strong brine, such as concentrated brine generated in the sea water desalination process, high-salt wastewater directly discharged in the industrial production process, brine generated by recycling industrial production wastewater and other different sources. The industrial brine of each different source and the industrial brine of each source can be divided into different subdivision types, so that the treatment modes are also different, more time and effort are required for workers to select different treatment equipment, and the treatment of the industrial brine is finished according to different treatment modes, so that the treatment efficiency is lower.
Disclosure of Invention
In order to improve the efficiency of industrial strong brine treatment, the application provides a control method and a device for industrial strong brine treatment.
On one hand, the control method for industrial strong brine treatment provided by the application adopts the following technical scheme:
a control method for industrial strong brine treatment, comprising the following steps:
acquiring source information of industrial strong brine, wherein the source information comprises types and characteristics of organic matters and salts;
based on the source information, matching corresponding pretreatment operation according to a first mapping method, and obtaining pretreated brine, wherein the pretreatment operation comprises one or more schemes of precipitation, air flotation, oil separation, filtration, adsorption and advanced oxidation;
determining the types and the contents of organic matters in the pretreated brine, matching corresponding organic matter treatment operation according to a second mapping method based on the determined types and contents of the organic matters, and obtaining a low-salt high-organic water solution and a low-organic salt solution; the organic matter treatment operation comprises an organic matter separation operation and an organic matter removal operation, wherein the organic matter separation operation comprises one or more schemes of ultrafiltration, nanofiltration, reverse osmosis and electrodialysis; the organic matter removal operation comprises an advanced oxidation method;
determining the content and the type of the organic matters in the low-salt high-organic water solution, and judging whether the content and the type of the organic matters accord with the range of the recyclable organic matters or not based on the determined content and type of the organic matters; if the water solution meets the requirement, recycling the low-salt high-organic water solution; if the water is not in conformity with the standard, carrying out biochemical or advanced oxidation operation on the low-salt high-organic water solution, and then carrying out nano-tube, standard emission or produced water recycling;
And determining the salt concentration and the pH value in the low-organic salt solution, and matching corresponding brine treatment operation according to a third mapping method based on the determined salt concentration and pH value, wherein the brine treatment operation comprises discharge, nano-tube, concentration or recycling.
By adopting the technical scheme, the types and the characteristics of the corresponding organic matters and the corresponding salt are identified according to the source information of the industrial strong brine, so that the next pretreatment operation step is convenient to select, and different treatment modes can be selected and matched according to different types; similarly, after the pretreatment operation, the separation or removal operation of the organic matters is performed, on one hand, whether the organic matters have recovery values is judged, and on the other hand, the salt in the low-organic salt solution is recovered or treated, so that the treatment of the industrial strong brine is finally realized; in the process, according to the measurement results of the corresponding data, the adaptive operation steps can be automatically matched according to the first mapping method, the second mapping method and the third mapping method, so that the workload of workers is reduced, and the efficiency of industrial strong brine treatment is improved.
Optionally, the first mapping method includes the following steps:
Obtaining a pretreatment starting instruction corresponding to the types and characteristics of the organic matters and the salt according to table lookup calculation, wherein the pretreatment starting instruction is used for starting corresponding pretreatment equipment and opening channels of the corresponding pretreatment equipment and industrial strong brine storage equipment;
in the pretreatment operation, based on a set volume of the industrial strong brine V1, the salt concentration rho 1 of the industrial strong brine is measured in real time, the acceleration a1 of the change of the salt concentration rho 1 is calculated, and the execution time t1 of the pretreatment operation is regulated according to a first calculation method; execution time t1= (a×|a1| -b×ρ1) ×v1+a, where a and B are constants.
Through adopting above-mentioned technical scheme, through the mode of looking up the table, can acquire corresponding start-up instruction fast to can realize corresponding pretreatment equipment's start-up according to pretreatment start-up instruction, the process time also is decided according to actual conditions, consequently, help reducing the operating time when artifical change step, and can improve the efficiency of handling when guaranteeing the treatment effect, improve the precision of control.
Optionally, the second mapping method includes the following steps:
obtaining an organic matter processing starting instruction corresponding to the type and the content of the organic matters according to table lookup calculation, wherein the organic matter processing starting instruction is used for starting corresponding organic matter processing equipment and opening channels of the corresponding organic matter processing equipment and pretreatment equipment;
A set volume of the pretreated brine V2;
the separation operation of the organic matters generates pure water and a low-salt high-organic water solution, wherein the pure water accounts for M1; measuring the organic matter concentration rho 2 of the low-salt high-organic water solution in real time, and calculating the acceleration a2 of the organic matter concentration rho 2; according to a second calculation method, adjusting the execution time t2 of the separation operation of the organic matters; the execution time t2= (E-C a 2) ×v2/ρ2 (d×m1); wherein C, D and E are constants;
or, the organic matter removing operation generates pure water and a low-organic salt solution, wherein the pure water accounts for M2; measuring the salt concentration rho 3 of the low-organic salt solution in real time, and calculating the acceleration a3 of the salt concentration rho 3; according to a third calculation method, adjusting the execution time t3 of the organic matter removal operation; the execution time t3= (H-F a 3) ×v2/ρ3 (g×m1); wherein F, G and H are constants;
the execution time t2 and the execution time t3 are used for adjusting the execution time t1 in a feedback way, wherein the execution time t1=Jt2+Kt3, and J and K are constants;
or, the execution time t1 constraint adjusts the execution time t2 and the execution time t3, where the execution time t1=jt2+kt3, and J and K are constants.
Through adopting above-mentioned technical scheme, through the mode of looking up the table, can acquire corresponding organic matter start-up instruction fast to can be according to the start-up of organic matter processing start-up instruction realization corresponding organic matter treatment facility's start-up, the process time also is decided according to actual conditions, consequently, help reducing the operating time when artifical change step, and can improve the efficiency of handling when guaranteeing the treatment effect, improve the precision of control.
Optionally, the third mapping method includes the following steps:
and obtaining a salt water treatment starting instruction and salt water treatment time corresponding to the salt concentration and the pH value in the low-organic salt solution according to table lookup calculation, wherein the salt water treatment starting instruction is used for starting corresponding salt water treatment equipment and opening channels of the corresponding organic matter treatment equipment and the salt water treatment equipment, and the salt water treatment time corresponds to the working time of the salt water treatment equipment.
Through adopting above-mentioned technical scheme, through the mode of looking up the table, can acquire corresponding salt water start-up instruction fast to can realize the start-up of corresponding salt water treatment equipment according to salt water treatment start-up instruction, and be provided with the frequency of use between the management equipment that the time can be better, automatic control helps reducing the operating time when manual replacement step.
Optionally, after the step of obtaining the source information of the industrial strong brine and before the step of matching the corresponding preprocessing operation according to the first mapping method based on the source information, the method further includes a detection step, where the detection step includes: sampling industrial strong brine with set capacity, taking the industrial strong brine as the sampled industrial strong brine, measuring the components of the sampled industrial strong brine, comparing the detected components with the components set in the source information in matching degree, outputting a matching result, judging whether the matching result is equal to or higher than a set threshold value or not based on the matching result, and returning to the step of acquiring the source information of the industrial strong brine if the matching result is lower than the set threshold value; otherwise, continuing the step of matching the corresponding preprocessing operation according to the first mapping method based on the source information.
By adopting the technical scheme, in order to prevent inaccurate acquired information sources caused by manual error input, the detection step is additionally arranged, so that the accuracy of acquiring the source information is improved.
Optionally, a stirring device is arranged in the industrial strong brine storage equipment; in the detection step, the method further comprises a stirring step before the industrial strong brine with the set capacity is sampled; and outputting a stirring start signal, starting the stirring equipment, and stirring for a set time, wherein the execution time t1 and the stirring set time are set in positive correlation, and the shorter the execution time t1 is, the shorter the stirring set time is.
Through adopting above-mentioned technical scheme, agitating unit helps making industry strong brine misce bene to help making the result of detecting more accurate.
On the other hand, the industrial strong brine treatment control device provided by the application adopts the following technical scheme:
an industrial strong brine treatment control device, based on the control method of the industrial strong brine treatment, comprises the following modules: the device comprises a control module, a pretreatment module, an organic matter separation or removal module, a low-salt high-organic aqueous solution treatment module and a low-organic salt solution treatment module;
the pretreatment module is used for matching corresponding pretreatment operations according to a first mapping method based on the source information and obtaining pretreated brine;
the organic matter separation or removal module is used for measuring the types and the contents of organic matters in the pretreated brine, matching corresponding organic matter treatment operation according to a second mapping method based on the measured types and contents of the organic matters, and obtaining a low-salt high-organic water solution and a low-organic salt solution; the organic matter treatment operation comprises an organic matter separation operation and an organic matter removal operation;
The low-salt high-organic water solution treatment module is used for measuring the content and the type of the organic matters in the low-salt high-organic water solution and judging whether the content and the type of the organic matters accord with the range of the recyclable organic matters or not based on the measured content and the type of the organic matters; if the water solution meets the requirement, recycling the low-salt high-organic water solution; if the water is not in conformity with the standard, carrying out biochemical or advanced oxidation operation on the low-salt high-organic water solution, and then carrying out nano-tube, standard emission or produced water recycling;
the low-organic salt solution treatment module is used for measuring the salt concentration and the pH value in the low-organic salt solution and matching corresponding salt water treatment operation according to a third mapping method based on the measured salt concentration and the measured pH value, wherein the salt water treatment operation comprises discharge, nano tube, concentration or recycling;
the control module is used for acquiring source information of the industrial strong brine, and is electrically connected to the industrial strong brine storage equipment, the pretreatment equipment, the organic matter treatment equipment and the brine treatment equipment and the channel valve between the equipment.
By adopting the technical scheme, the control module identifies the types and characteristics of the corresponding organic matters and salt according to the source information of the industrial strong brine, so that the next pretreatment operation step is convenient to select; the pretreatment module selects and matches different treatment modes according to the types and characteristics of different organic matters and salts; the organic matter separation or removal module is used for performing separation or removal operation on the organic matters; the low-salt high-organic water solution treatment module is used for judging whether the organic matters have recovery values or not; the low-organic salt solution treatment module is used for recycling or treating salt in the low-organic salt solution so as to finally realize the treatment of the industrial strong brine; in the process, according to the measurement results of the corresponding data, the adaptive operation steps can be automatically matched according to the first mapping method, the second mapping method and the third mapping method, so that the workload of workers is reduced, and the efficiency of industrial strong brine treatment is improved.
Optionally, the system further comprises a first mapping module, a second mapping module and a third mapping module;
the first mapping module is used for obtaining a pretreatment starting instruction corresponding to the types and characteristics of the organic matters and the salt according to table lookup calculation, wherein the pretreatment starting instruction is used for starting corresponding pretreatment equipment and opening channels of the corresponding pretreatment equipment and the industrial strong brine storage equipment;
in the pretreatment operation, based on a set volume of the industrial strong brine V1, the salt concentration rho 1 of the industrial strong brine is measured in real time, the acceleration a1 of the change of the salt concentration rho 1 is calculated, and the execution time t1 of the pretreatment operation is regulated according to a first calculation method; execution time t1= (a×|a1| -b×ρ1) ×v1+a, where a and B are constants;
the second mapping module is used for obtaining an organic matter processing starting instruction corresponding to the types and the contents of the organic matters according to table lookup calculation, wherein the organic matter processing starting instruction is used for starting corresponding organic matter processing equipment and opening channels of the corresponding organic matter processing equipment and the pretreatment equipment;
a set volume of the pretreated brine V2;
the separation operation of the organic matters generates pure water and a low-salt high-organic water solution, wherein the pure water accounts for M1; measuring the organic matter concentration rho 2 of the low-salt high-organic water solution in real time, and calculating the acceleration a2 of the organic matter concentration rho 2; according to a second calculation method, adjusting the execution time t2 of the separation operation of the organic matters; the execution time t2= (E-C a 2) ×v2/ρ2 (d×m1); wherein C, D and E are constants;
Or, the organic matter removing operation generates pure water and a low-organic salt solution, wherein the pure water accounts for M2; measuring the salt concentration rho 3 of the low-organic salt solution in real time, and calculating the acceleration a3 of the salt concentration rho 3; according to a third calculation method, adjusting the execution time t3 of the organic matter removal operation; the execution time t3= (H-F a 3) ×v2/ρ3 (g×m1); wherein F, G and H are constants;
the execution time t2 and the execution time t3 are used for adjusting the execution time t1 in a feedback way, wherein the execution time t1=Jt2+Kt3, and J and K are constants;
or, the execution time t1 constraint adjusts the execution time t2 and the execution time t3, wherein the execution time t1=jt2+kt3, J and K are constants;
the third mapping module is used for obtaining a brine treatment starting instruction and a brine treatment time corresponding to the salt concentration and the pH value in the low-organic-content brine solution according to table lookup calculation, wherein the brine treatment starting instruction is used for starting corresponding brine treatment equipment and opening channels of the corresponding organic matter treatment equipment and the brine treatment equipment, and the brine treatment time corresponds to the working time of the brine treatment equipment.
Through adopting above-mentioned technical scheme, through the mode of looking up the table, can acquire corresponding start-up instruction fast to can realize corresponding pretreatment equipment's start-up according to pretreatment start-up instruction, the time also is decided according to actual conditions, consequently, help reducing the operating time when artifical change step, and can improve the efficiency of handling when guaranteeing the treatment effect, improve the precision of control. The corresponding organic matter starting instruction can be obtained rapidly through a table look-up mode, so that the corresponding organic matter processing equipment can be started according to the organic matter processing starting instruction, and the processing time is determined according to the actual situation, so that the operation time in the manual replacement step is reduced, the processing effect is ensured, the processing efficiency is improved, and the control accuracy is improved. Through the mode of looking up table, can acquire corresponding salt water start-up instruction fast to can realize the start-up of corresponding salt water treatment equipment according to salt water treatment start-up instruction, and be provided with the frequency of use between the management equipment that the time can be better, automatic control helps reducing the operating time when manual replacement step.
Optionally, the system further comprises a detection module, wherein the detection module is electrically connected to the control module and is used for sampling industrial strong brine with a set capacity, measuring components of the sampled industrial strong brine as the sampled industrial strong brine, comparing the detected components with the components set in the source information in matching degree, outputting a matching result, judging whether the matching result is equal to or higher than a set threshold value or not based on the matching result, and returning to the step of acquiring the source information of the industrial strong brine if the matching result is lower than the set threshold value; otherwise, continuing the step of matching the corresponding preprocessing operation according to the first mapping method based on the source information.
By adopting the technical scheme, in order to prevent inaccurate acquired information sources caused by manual error input, the detection step is additionally arranged, so that the accuracy of acquiring the source information is improved.
Optionally, the stirring control sub-module is used for receiving the detection signal sent by the control module and is used for starting the stirrer to stir for a set time, the execution time t1 and the stirring set time are set in positive correlation, and the shorter the execution time t1 is, the shorter the stirring set time is.
Through adopting above-mentioned technical scheme, agitating unit helps making industry strong brine misce bene to help making the result of detecting more accurate.
In summary, the present application includes at least one of the following beneficial technical effects: by the aid of the scheme, automatic treatment of the industrial strong brine is facilitated, and treatment efficiency of the industrial strong brine is improved.
Drawings
Fig. 1 is a step diagram of a control method of industrial brine treatment according to the present application.
FIG. 2 shows a method for controlling the treatment of industrial brine, which is a method for treating low-salt high-organic aqueous solution.
FIG. 3 shows a method for treating a low organic salt solution in a control method for treating industrial brine.
Fig. 4 is an overview of the process of industrial brine treatment in a control method of industrial brine treatment according to the present application.
Fig. 5 is a step diagram of a first mapping method in the control method of the industrial brine treatment of the present application.
Fig. 6 is a step diagram of a second mapping method in the control method of the industrial brine treatment of the present application.
Fig. 7 is a step diagram of a third mapping method in the control method of the industrial brine treatment of the present application.
Fig. 8 is a step diagram of a detection step in the control method of the industrial brine treatment of the present application.
Fig. 9 is a block diagram of a control device for industrial brine treatment according to the present application.
Fig. 10 is a block diagram showing a first mapping module, a second mapping module and a third mapping module in the control device for industrial brine treatment according to the present application.
Reference numerals: 1. a control module; 2. a preprocessing module; 3. an organic matter separation or removal module; 4. a low-salt high-organic aqueous solution treatment module; 5. a low organic salt solution treatment module; 6. a first mapping module; 7. a second mapping module; 8. a third mapping module; 9. a detection module; 10. and a stirring control sub-module.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The embodiment of the application discloses a control method for industrial strong brine treatment.
Referring to fig. 1, a control method for industrial strong brine treatment includes the following steps:
and obtaining source information of the industrial strong brine, wherein the source information comprises types and characteristics of organic matters and salts. Industrial brine is produced by adopting a method of recycling water resources in order to reduce the consumption of the water resources in industrial production. The industrial strong brine is generally treated by a physical and chemical method; industrial brine is a high-salt wastewater. For example, concentrated brine produced in the sea water desalination process, high-salt wastewater directly discharged in the industrial production process, brine produced by recycling industrial production wastewater, and the like. The organic matters in the source information are mainly derived from the industrial production process, and some organic matters can be generated in part of the process flow, and the organic matters can be discharged along with wastewater and finally are gathered into the industrial strong brine, so that the organic matters in the strong brine are high in content. The salt in the source information mainly comes from salt substances, equipment leakage and the like in the process flow, wherein the salt substances mainly comprise sodium chloride, and also contain impurity salts such as sulfate, phosphate, nitrate and the like.
The comprehensive consideration of the treatment mode is that the industrial strong brine treatment process mainly comprises the combination of pretreatment, organic matter separation, concentration and decrement, salt separation refining, evaporation crystallization, acid-base preparation and other processes. Industrial brine preferably is treated with the various processes and combinations of industrial brine described above to form a cleaner salt solution and a low salt-containing high organic solution, if any, prior to the fractionation.
Pretreatment is also required to filter out impurities before the fractionation treatment.
And matching corresponding pretreatment operation according to a first mapping method based on the source information, and obtaining pretreated brine. The pretreatment operation comprises one or more schemes of precipitation, air floatation, oil separation, filtration, adsorption and advanced oxidation.
Wherein, the schemes of precipitation, air floatation, oil separation, filtration, adsorption and advanced oxidation are as follows:
precipitation: the precipitation treatment of the industrial strong brine is realized by adopting coagulant, coagulant aid and other chemicals.
Air floatation: removing dispersed oil, emulsified oil and suspended matters in the strong brine; the air floatation tank consists of a contact tank and a separation chamber; the air floatation treatment should be realized by arranging dosing and mixing, reaction facilities, mud discharging and slag discharging facilities and the like.
Oil separation: aiming at the treatment mode of the wastewater containing the grease, the principle is to separate the grease and suspended matters in the wastewater by utilizing mechanical force so as to achieve the aim of purification.
And (3) filtering: media filtration can be used to reduce suspended solids in water, preferably with an SS of less than 20mg/L; the medium filtration can adopt V-shaped filter tanks and multi-medium filters. The multi-medium filter can adopt anthracite and quartz sand, and the filter tank is provided with design parameters of an air-water flushing and surface cleaning auxiliary system.
Adsorption: adsorption is a physicochemical separation technique for dissolved contaminants. The adsorption treatment method in waste water treatment mainly refers to the process of removing various pollutants in waste water by utilizing the physical adsorption and chemical adsorption properties of solid adsorbent, and the treatment objects are highly toxic substances and biodegradable pollutants.
Advanced oxidation: when COD in the strong brine is higher or the biodegradability is poor, an advanced oxidation technology can be adopted to remove organic pollutants in the water;
when an ozone oxidation process is selected:
a) When an ozone catalytic reactor process is employed, an oxygen source ozone generator is preferably employed. When an ozone contact tank process is adopted, generators with different oxygen sources can be adopted according to local conditions;
b) An ozone tail gas elimination device is arranged in the ozone oxidation system;
c) The material in contact with the ozone gas or the body of water in which the ozone is dissolved should be resistant to ozone corrosion.
d) When the ozone adding amount in the ozone oxidation process is large or the scale of the reuse water is large, whether to utilize the ozone tail gas should be determined through technical and economic analysis.
And (3) measuring the types and the contents of the organic matters in the pretreated brine, and matching corresponding organic matter treatment operation according to a second mapping method based on the measured types and contents of the organic matters, so as to obtain a low-salt high-organic water solution and a low-organic salt solution. The organic matter treatment operation comprises an organic matter separation operation and an organic matter removal operation, wherein the organic matter separation operation comprises one or more schemes of ultrafiltration, nanofiltration, reverse osmosis and electrodialysis; the organic removal operation includes advanced oxidation.
Ultrafiltration: ultrafiltration can be used to reduce suspended solids, colloids, bacteria, and contaminants such as pigments in concentrated brine. The ultrafiltration treatment process comprises a pressure ultrafiltration and an immersed ultrafiltration membrane treatment process. When the ultrafiltration treatment process is adopted, the following requirements are met:
a) The inlet water of the ultrafiltration device is provided with a prefilter of 50-200 mu m;
b) The design flux of the ultrafiltration membrane module is preferably determined by pilot test. When no pilot test conditions are present, the following parameter designs can be referred to: the membrane flux of the immersed ultra (micro) filtration process is preferably 20L/(m 2. H) to 35L/(m 2. H), the transmembrane pressure difference is preferably less than 80KPa, and the water recovery rate is not less than 90%. The membrane flux of the pressure type membrane process is preferably 40L/(m 2. H) to 60L/(m 2. H), the maximum design transmembrane pressure difference is not more than 0.2MPa, and the water recovery rate is not less than 90%;
c) The ultrafiltration device backwashing adopts a full-automatic backwashing system, wherein immersed ultrafiltration and external pressure ultrafiltration are provided with air scrubbing measures. The self-consumption rate of back flushing is lower than 10% of the total water inflow, and the back flushing water is suitable for recycling;
d) The chemical cleaning waste liquid should be properly treated and disposed.
Nanofiltration: nanofiltration can realize separation of monovalent salt and multivalent salt and concentration of multivalent salt. The nanofiltration product water and nanofiltration concentration can respectively enter the next concentration working section, such as an electrodialysis and evaporation crystallization device. When the nanofiltration treatment process is adopted, the following requirements are met:
a) The quality of the nanofiltration water is required to meet the conditions that the turbidity is less than 1NTU, the temperature is 5-45 ℃, and the residual chlorine is less than 0.1mg/L, pH-10;
b) The nanofiltration device is provided with a security filter for water inflow, and devices such as reducing agent adding, scale inhibitor adding, non-oxidizing bactericide adding and the like are arranged if necessary, and the dosing device is arranged in front of the security filter;
c) The combination form of the nanofiltration device is selected according to the water quality requirement, and the desalination rate of the high valence ions of the nanofiltration device is not less than 90 percent;
d) The nanofiltration is suitable to be matched with a chemical cleaning device independently. A cartridge filter of 5 μm is arranged in the chemical cleaning device;
e) The nanofiltration is matched with a flushing device, and the flushing water source is preferably nanofiltration or reverse osmosis water production;
f) The nanofiltration water inlet high-pressure pump is preferably controlled by frequency conversion;
g) The arrangement of nanofiltration concentrate discharge pipes should be such that all membrane modules are not emptied when the system is deactivated;
h) The chemical cleaning waste liquid should be properly treated and disposed.
Reverse osmosis: reverse osmosis can be used for concentrating strong brine to obtain clean produced water to realize water recycling. When the reverse osmosis treatment process is adopted, the following requirements are met:
a) The reverse osmosis equipment is reasonably selected and configured according to the characteristics of water sources and the requirements of recycling objects on water quality. The pretreatment process meets the requirement of reverse osmosis water inflow;
b) The device is characterized in that a security filter is arranged for water inflow, devices such as reducing agent adding, scale inhibitor adding and non-oxidizing bactericide adding are arranged if necessary, and a dosing device is arranged in front of the security filter;
c) The arrangement form of the reverse osmosis device is selected according to the water quality requirement. The desalination rate of the device is not less than 95%, and the membrane flux is preferably 6L/(m2.h) to 20L/(m2.h);
d) The device is suitable for being matched with a chemical cleaning device independently. A cartridge filter of 5 μm is arranged in the chemical cleaning device;
e) The device is matched with a flushing device, and a flushing water source is reverse osmosis water production;
f) The reverse osmosis water inlet high-pressure pump is controlled by frequency conversion;
g) The arrangement of the concentrate discharge pipe should be such as to ensure that all membrane modules are not emptied when the system is inactive;
h) The chemical cleaning waste liquid should be properly treated and disposed.
Electrodialysis: when the electrodialysis treatment process is adopted in the industrial strong brine treatment, the following requirements are met:
a) The electrodialysis water inlet should not contain oil which is difficult to dissolve in water, ionic surfactant, strong polar organic solvent and other organic matters, and the ion product after concentration of difficult-soluble salts such as calcium sulfate, magnesium carbonate and the like is not more than 0.8 of solubility product;
b) The water supply pumps of all the liquids (fresh water, concentrated water, anode liquid and cathode liquid) are preferably controlled by frequency conversion;
c) The recovery rate is calculated according to the quality of the water to be fed, and when the electrodialysis concentrated water is used as the water to be fed by the evaporation crystallization unit, the salt content of the concentrated water is not less than 150g/L;
d) The inlet water is provided with a cartridge filter, and the filtering pore diameter of the filter element is not more than 5 mu m;
e) It is suitable to be matched with a chemical cleaning device independently. A cartridge filter of 5 μm is preferably arranged in the chemical cleaning device;
f) Besides the heat exchanger and the electrode plates, the electrodialysis system is not suitable for equipment and pipeline materials of the liquid part. The heat exchanger is preferably made of titanium materials and adopts a measure of insulation to the ground;
g) The polar liquid box is filled with air to dilute the generated gas, and the gas in the polar liquid box is discharged outside. In order to prevent leakage of dilution air, the pole liquid tank needs a closed structure;
h) In order to ensure that the static pressure on both sides of the membrane is equal when the circulation is stopped, the highest positions of the water supply pipelines of the liquid (fresh water, concentrated water, anode liquid and cathode liquid) are at the same level, and the highest positions of the water return pipelines of the liquid (fresh water, concentrated water, anode liquid and cathode liquid) are at the same level.
Referring to fig. 1 and 2, the content and type of organic matters in the low-salt high-organic aqueous solution are measured, and whether the range of the recyclable organic matters is satisfied is judged based on the measured content and type of the organic matters. If the water solution meets the requirement, recycling the low-salt high-organic water solution; if the water is not matched with the water, carrying out biochemical or advanced oxidation operation on the low-salt high-organic water solution, and then carrying out nano-tube, standard emission or produced water recycling.
Referring to fig. 1 and 3, the salt concentration and ph of the low organic salt solution are measured, and based on the measured salt concentration and ph, the corresponding brine treatment operations, including drainage, nano-tubes, concentration or reuse, are matched according to a third mapping method.
To sum up, fig. 4 is an overview of a treatment process, and is a schematic illustration of the functions and solution and solute lines that can be implemented by each process, and is not a requirement of a process design. The actual treatment process can be selected from one or more techniques, and the arrangement and combination sequence can be adjusted according to the requirements.
Referring to fig. 5, the first mapping method includes the steps of:
obtaining a pretreatment starting instruction corresponding to the types and characteristics of the organic matters and the salt according to table lookup calculation, wherein the pretreatment starting instruction is used for starting corresponding pretreatment equipment and opening channels of the corresponding pretreatment equipment and industrial strong brine storage equipment;
in the pretreatment operation, based on the industrial strong brine V1 with a set volume, the salt concentration rho 1 of the industrial strong brine is measured in real time, the acceleration a1 of the change of the salt concentration rho 1 is calculated, and the execution time t1 of the pretreatment operation is regulated according to a first calculation method; execution time t1= (a×|a1| -b×ρ1) ×v1+a, where a and B are constants; the larger the absolute value of the acceleration, the smaller the salt concentration ρ1, and the shorter the execution time t 1.
By means of the table look-up, the corresponding starting instruction can be obtained rapidly, so that the corresponding pretreatment equipment can be started according to the pretreatment starting instruction, the time required to be executed is adjusted according to the actual measurement data of specific liquid parameters to be treated, for example, the salt concentration rho 1 changes rapidly, the actual treatment efficiency of the treatment equipment is higher, the treatment time is correspondingly shortened, meanwhile, the data are real-time, the rest treatment time is determined according to the actual situation, the operation time during manual replacement step is reduced, the treatment effect is ensured, the treatment efficiency is improved, and the control accuracy is improved.
Referring to fig. 6, the second mapping method includes the steps of:
obtaining an organic matter processing starting instruction corresponding to the types and the contents of the organic matters according to the table lookup calculation, wherein the organic matter processing starting instruction is used for starting corresponding organic matter processing equipment and opening channels of the corresponding organic matter processing equipment and the pretreatment equipment;
pretreated brine V2 based on a set volume;
the separation operation of the organic matters generates pure water and a low-salt high-organic water solution, wherein the pure water accounts for M1; measuring the organic matter concentration rho 2 of the low-salt high-organic water solution in real time, and calculating the acceleration a2 of the organic matter concentration rho 2; according to a second calculation method, adjusting the execution time t2 of the separation operation of the organic matters; execution time t2= (E-C a 2) V2/ρ2 (D M1); wherein C, D and E are constants;
or, the removal operation of the organic matters generates pure water and low-organic salt solution, wherein the pure water accounts for M2; measuring the salt concentration rho 3 of the low-organic salt solution in real time, and calculating the acceleration a3 of the salt concentration rho 3; according to a third calculation method, adjusting the execution time t3 of the organic matter removal operation; execution time t3= (H-F a 3) V2/ρ3 (G M1); wherein F, G and H are constants;
the execution time t2 and the execution time t3 are used for adjusting the execution time t1 in a feedback way, wherein the execution time t1=J×t2+K×t3, and J and K are constants;
Or, the execution time t1 is constrained to adjust the execution time t2 and the execution time t3, and the execution time t1=j×t2+k×t3, where J and K are constants.
By means of table look-up, a corresponding organic matter starting instruction can be obtained rapidly, so that starting of corresponding organic matter processing equipment can be achieved according to the organic matter processing starting instruction, the time required to be executed is adjusted according to actual measurement data of specific processed liquid parameters, for example, the change of the organic matter concentration rho 2 is rapid, the fact that the actual processing efficiency of the processing equipment is high is indicated, and the processing time is correspondingly shortened; or for example, if the change of the salt concentration rho 3 is faster, the actual treatment efficiency of the treatment equipment is higher, and the treatment time is correspondingly shortened; meanwhile, the data are all real-time, so that the rest processing time is determined according to the actual situation, the operation time during the manual replacement step is reduced, the processing effect is ensured, the processing efficiency is improved, and the control accuracy is improved. Because the volume of the industrial concentrated brine is large, the treatment is not necessarily completed at one time, and the treatment can be divided into a plurality of times, or after the pretreatment, the pretreatment equipment can immediately carry out repeated operation of the next volume batch again after the separation or removal operation of the organic matters, so that the utilization rate of the equipment is improved; thus, the execution time t1 may be feedback adjusted according to t1=jt2+kχt3, or the execution time t1 constrains the execution time t2 and the execution time t31.
Referring to fig. 7, the third mapping method includes the steps of:
and obtaining a salt water treatment starting instruction and salt water treatment time corresponding to the salt concentration and the pH value in the low-organic salt solution according to table lookup calculation, wherein the salt water treatment starting instruction is used for starting corresponding salt water treatment equipment and opening channels of the corresponding organic matter treatment equipment and the salt water treatment equipment, and the salt water treatment time corresponds to the working time of the salt water treatment equipment. Through the mode of looking up table, can acquire corresponding salt water start-up instruction fast to can realize the start-up of corresponding salt water treatment equipment according to salt water treatment start-up instruction, and be provided with the frequency of use between the management equipment that the time can be better, automatic control helps reducing the operating time when manual replacement step.
In order to prevent inaccurate information sources from being obtained due to manual incorrect input, after the step of obtaining source information of the industrial strong brine and before the step of matching corresponding preprocessing operations according to the first mapping method based on the source information, the method further comprises a detection step, wherein the detection step comprises the following steps: sampling industrial strong brine with set capacity, taking the industrial strong brine as the sampled industrial strong brine, measuring the components of the sampled industrial strong brine, comparing the detected components with the components set in the source information in matching degree, outputting a matching result, judging whether the matching result is equal to or higher than a set threshold value or not based on the matching result, and returning to the step of acquiring the source information of the industrial strong brine if the matching result is lower than the set threshold value; otherwise, continuing to match the corresponding preprocessing operation according to the first mapping method based on the source information. The detection step is added to help improve the accuracy of source information acquisition.
Referring to fig. 8, the industrial strong brine storage device is provided with a stirring device therein; in the detection step, the method further comprises a stirring step before sampling the industrial strong brine with the set capacity; and outputting a stirring start signal, starting the stirring equipment, and stirring for a set time. The execution time t1 and the agitation setting time are set in positive correlation, and the shorter the execution time t1, the shorter the agitation setting time. The stirring device is favorable for uniformly mixing the industrial strong brine, so that the detection result is more accurate; because the volume of the industrial concentrated brine is large, the industrial concentrated brine is not necessarily treated at one time, and can be divided into a plurality of times, or after the industrial concentrated brine enters pretreatment operation after detection, the detection equipment can immediately perform repeated operation of the next volume batch so as to improve the utilization rate of the equipment; at this time, the next stirring setting time can be feedback-adjusted according to the execution time t 1; when the execution time t1 is shorter, the pretreatment speed is higher, the types in the liquid are smaller, and the liquid is easier to handle, so that the stirring setting time can be properly shortened, and the accuracy of the detection step can be ensured to a certain extent.
Firstly, according to the source information of the industrial strong brine, the types and the characteristics of the corresponding organic matters and the salt are identified, so that the next pretreatment operation step is convenient to select, and different treatment modes can be selected and matched according to different types; similarly, after the pretreatment operation, the separation or removal operation of the organic matters is performed, on one hand, whether the organic matters have recovery values is judged, and on the other hand, the salt in the low-organic salt solution is recovered or treated, so that the treatment of the industrial strong brine is finally realized; in the process, according to the measurement results of the corresponding data, the adaptive operation steps can be automatically matched according to the first mapping method, the second mapping method and the third mapping method, so that the workload of workers is reduced, and the efficiency of industrial strong brine treatment is improved.
The embodiment of the application discloses an industrial strong brine treatment control device.
Referring to fig. 9, an industrial brine treatment control device, based on the above control method of industrial brine treatment, comprises the following modules: the device comprises a control module 1, a pretreatment module 2, an organic matter separation or removal module 3, a low-salt high-organic aqueous solution treatment module 4 and a low-organic salt solution treatment module 5;
the control module 1 is used for acquiring source information of the industrial strong brine, wherein the source information comprises types and characteristics of organic matters and salts. The control module 1 is electrically connected to an industrial brine storage device, a pretreatment device, an organic matter treatment device and a brine treatment device, and to a channel valve between the above devices.
The preprocessing module 2 is configured to match corresponding preprocessing operations according to a first mapping method based on the source information, and obtain preprocessed brine. The pretreatment operation comprises one or more schemes of precipitation, air floatation, oil separation, filtration, adsorption and advanced oxidation.
The organic matter separation or removal module 3 is used for measuring the types and the contents of organic matters in the pretreated brine, matching corresponding organic matter treatment operations according to a second mapping method based on the measured types and contents of the organic matters, and obtaining a low-salt high-organic water solution and a low-organic salt solution; the organic matter treatment operation includes an organic matter separation operation and an organic matter removal operation. The organic matter separating operation includes one or more of ultrafiltering, nanofiltration, reverse osmosis and electrodialysis; the organic removal operation includes advanced oxidation.
The low-salt high-organic water solution treatment module 4 is used for measuring the content and the type of the organic matters in the low-salt high-organic water solution and judging whether the content and the type of the organic matters accord with the range of the recyclable organic matters or not based on the measured content and the type of the organic matters; if the water solution meets the requirement, recycling the low-salt high-organic water solution; if the water is not matched with the water, carrying out biochemical or advanced oxidation operation on the low-salt high-organic water solution, and then carrying out nano-tube, standard emission or produced water recycling.
The low-organic salt solution treatment module 5 is used for measuring the salt concentration and the pH value in the low-organic salt solution and matching corresponding salt water treatment operation according to a third mapping method based on the measured salt concentration and the pH value, wherein the salt water treatment operation comprises discharge, nano-tube, concentration or recycling.
The system also comprises a first mapping module 6, a second mapping module 7 and a third mapping module 8;
the first mapping module 6 is used for obtaining a pretreatment starting instruction corresponding to the types and characteristics of the organic matters and the salt according to table lookup calculation, wherein the pretreatment starting instruction is used for starting corresponding pretreatment equipment and opening channels of the corresponding pretreatment equipment and the industrial strong brine storage equipment;
in the pretreatment operation, based on the industrial strong brine V1 with a set volume, the salt concentration rho 1 of the industrial strong brine is measured in real time, the acceleration a1 of the change of the salt concentration rho 1 is calculated, and the execution time t1 of the pretreatment operation is regulated according to a first calculation method; execution time t1= (a×|a1| -b×ρ1) ×v1+a, where a and B are constants; the larger the absolute value of the acceleration, the smaller the salt concentration ρ1, and the shorter the execution time t 1.
By means of the table look-up, the corresponding starting instruction can be obtained rapidly, so that the corresponding pretreatment equipment can be started according to the pretreatment starting instruction, the time required to be executed is adjusted according to the actual measurement data of specific liquid parameters to be treated, for example, the salt concentration rho 1 changes rapidly, the actual treatment efficiency of the treatment equipment is higher, the treatment time is correspondingly shortened, meanwhile, the data are real-time, the rest treatment time is determined according to the actual situation, the operation time during manual replacement step is reduced, the treatment effect is ensured, the treatment efficiency is improved, and the control accuracy is improved.
The second mapping module 7 is used for obtaining an organic matter processing starting instruction corresponding to the types and the contents of the organic matters according to table lookup calculation, and the organic matter processing starting instruction is used for starting corresponding organic matter processing equipment and opening channels of the corresponding organic matter processing equipment and the pretreatment equipment;
pretreated brine V2 based on a set volume;
the separation operation of the organic matters generates pure water and a low-salt high-organic water solution, wherein the pure water accounts for M1; measuring the organic matter concentration rho 2 of the low-salt high-organic water solution in real time, and calculating the acceleration a2 of the organic matter concentration rho 2; according to a second calculation method, adjusting the execution time t2 of the separation operation of the organic matters; execution time t2= (E-C a 2) V2/ρ2 (D M1); wherein C, D and E are constants;
Or, the removal operation of the organic matters generates pure water and low-organic salt solution, wherein the pure water accounts for M2; measuring the salt concentration rho 3 of the low-organic salt solution in real time, and calculating the acceleration a3 of the salt concentration rho 3; according to a third calculation method, adjusting the execution time t3 of the organic matter removal operation; execution time t3= (H-F a 3) V2/ρ3 (G M1); wherein F, G and H are constants;
the execution time t2 and the execution time t3 are used for adjusting the execution time t1 in a feedback way, wherein the execution time t1=J×t2+K×t3, and J and K are constants;
or, the execution time t1 is constrained to adjust the execution time t2 and the execution time t3, and the execution time t1=j×t2+k×t3, where J and K are constants.
By means of table look-up, a corresponding organic matter starting instruction can be obtained rapidly, so that starting of corresponding organic matter processing equipment can be achieved according to the organic matter processing starting instruction, the time required to be executed is adjusted according to actual measurement data of specific processed liquid parameters, for example, the change of the organic matter concentration rho 2 is rapid, the fact that the actual processing efficiency of the processing equipment is high is indicated, and the processing time is correspondingly shortened; or for example, if the change of the salt concentration rho 3 is faster, the actual treatment efficiency of the treatment equipment is higher, and the treatment time is correspondingly shortened; meanwhile, the data are all real-time, so that the rest processing time is determined according to the actual situation, the operation time during the manual replacement step is reduced, the processing effect is ensured, the processing efficiency is improved, and the control accuracy is improved. Because the volume of the industrial concentrated brine is large, the treatment is not necessarily completed at one time, and the treatment can be divided into a plurality of times, or after the pretreatment, the pretreatment equipment can immediately carry out repeated operation of the next volume batch again after the separation or removal operation of the organic matters, so that the utilization rate of the equipment is improved; thus, the execution time t1 may be feedback adjusted according to t1=jt2+kχt3, or the execution time t1 constrains the execution time t2 and the execution time t31.
The third mapping module 8 is configured to obtain a brine treatment start instruction and a brine treatment time corresponding to the salt concentration and the ph value in the low-organic salt solution according to a table lookup calculation, where the brine treatment start instruction is used to start the corresponding brine treatment device, and open channels of the corresponding organic matter treatment device and the brine treatment device, and the brine treatment time corresponds to the working time of the brine treatment device. Through the mode of looking up table, can acquire corresponding salt water start-up instruction fast to can realize the start-up of corresponding salt water treatment equipment according to salt water treatment start-up instruction, and be provided with the frequency of use between the management equipment that the time can be better, automatic control helps reducing the operating time when manual replacement step.
Referring to fig. 10, in order to prevent inaccuracy of the acquired information source caused by manual erroneous input, a detection module 9 is further included, and the detection module 9 is electrically connected to the control module 1 for sampling the industrial brine of a set volume as the sampled industrial brine. The method comprises the steps of measuring components of the sampled industrial strong brine, comparing the detected components with components set in source information, outputting a matching result, judging whether the components are equal to or higher than a set threshold value based on the matching result, and returning to the step of acquiring the source information of the industrial strong brine if the components are lower than the set threshold value; otherwise, continuing to match the corresponding preprocessing operation according to the first mapping method based on the source information. The detection step is added to help improve the accuracy of source information acquisition.
The stirring control sub-module 10 is used for receiving the detection signal sent by the control module 1 and is used for starting the stirrer to stir for a set time. The execution time t1 and the agitation setting time are set in positive correlation, and the shorter the execution time t1, the shorter the agitation setting time. The stirring device is favorable for uniformly mixing the industrial strong brine, so that the detection result is more accurate; because the volume of the industrial concentrated brine is large, the industrial concentrated brine is not necessarily treated at one time, and can be divided into a plurality of times, or after the industrial concentrated brine enters pretreatment operation after detection, the detection equipment can immediately perform repeated operation of the next volume batch so as to improve the utilization rate of the equipment; at this time, the next stirring setting time can be feedback-adjusted according to the execution time t 1; when the execution time t1 is shorter, the pretreatment speed is higher, the types in the liquid are smaller, and the liquid is easier to handle, so that the stirring setting time can be properly shortened, and the accuracy of the detection step can be ensured to a certain extent.
The control module 1 identifies the types and characteristics of corresponding organic matters and salts according to the source information of the industrial strong brine, so that the next pretreatment operation step is convenient to select; the pretreatment module 2 selects and matches different treatment modes according to the types and characteristics of different organic matters and salts; the organic matter separating or removing module 3 performs the separation or removing operation of the organic matters; the low-salt high-organic water solution treatment module 4 is used for judging whether the organic matters have recovery values or not; the low-organic salt solution treatment module 5 is used for recycling or treating salt in the low-organic salt solution so as to finally realize the treatment of the industrial strong brine; in the process, according to the measurement results of the corresponding data, the adaptive operation steps can be automatically matched according to the first mapping method, the second mapping method and the third mapping method, so that the workload of workers is reduced, and the efficiency of industrial strong brine treatment is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. A control method for industrial strong brine treatment, which is characterized by comprising the following steps:
acquiring source information of industrial strong brine, wherein the source information comprises types and characteristics of organic matters and salts;
based on the source information, matching corresponding pretreatment operation according to a first mapping method, and obtaining pretreated brine, wherein the pretreatment operation comprises one or more schemes of precipitation, air flotation, oil separation, filtration, adsorption and advanced oxidation;
determining the types and the contents of organic matters in the pretreated brine, matching corresponding organic matter treatment operation according to a second mapping method based on the determined types and contents of the organic matters, and obtaining a low-salt high-organic water solution and a low-organic salt solution; the organic matter treatment operation comprises an organic matter separation operation and an organic matter removal operation, wherein the organic matter separation operation comprises one or more schemes of ultrafiltration, nanofiltration, reverse osmosis and electrodialysis; the organic matter removal operation comprises an advanced oxidation method;
Determining the content and the type of the organic matters in the low-salt high-organic water solution, and judging whether the content and the type of the organic matters accord with the range of the recyclable organic matters or not based on the determined content and type of the organic matters; if the water solution meets the requirement, recycling the low-salt high-organic water solution; if the water is not in conformity with the standard, carrying out biochemical or advanced oxidation operation on the low-salt high-organic water solution, and then carrying out nano-tube, standard emission or produced water recycling;
and determining the salt concentration and the pH value in the low-organic salt solution, and matching corresponding brine treatment operation according to a third mapping method based on the determined salt concentration and pH value, wherein the brine treatment operation comprises discharge, nano-tube, concentration or recycling.
2. The method for controlling industrial brine treatment according to claim 1, wherein,
the first mapping method comprises the following steps:
obtaining a pretreatment starting instruction corresponding to the types and characteristics of the organic matters and the salt according to table lookup calculation, wherein the pretreatment starting instruction is used for starting corresponding pretreatment equipment and opening channels of the corresponding pretreatment equipment and industrial strong brine storage equipment;
in the pretreatment operation, based on a set volume of the industrial strong brine V1, the salt concentration rho 1 of the industrial strong brine is measured in real time, the acceleration a1 of the change of the salt concentration rho 1 is calculated, and the execution time t1 of the pretreatment operation is regulated according to a first calculation method; execution time t1= (a×|a1| -b×ρ1) ×v1+a, where a and B are constants.
3. The control method of industrial brine treatment according to claim 2, wherein the second mapping method comprises the steps of:
obtaining an organic matter processing starting instruction corresponding to the type and the content of the organic matters according to table lookup calculation, wherein the organic matter processing starting instruction is used for starting corresponding organic matter processing equipment and opening channels of the corresponding organic matter processing equipment and pretreatment equipment;
a set volume of the pretreated brine V2;
the separation operation of the organic matters generates pure water and a low-salt high-organic water solution, wherein the pure water accounts for M1; measuring the organic matter concentration rho 2 of the low-salt high-organic water solution in real time, and calculating the acceleration a2 of the organic matter concentration rho 2; according to a second calculation method, adjusting the execution time t2 of the separation operation of the organic matters; the execution time t2= (E-C a 2) ×v2/ρ2 (d×m1); wherein C, D and E are constants;
or, the organic matter removing operation generates pure water and a low-organic salt solution, wherein the pure water accounts for M2; measuring the salt concentration rho 3 of the low-organic salt solution in real time, and calculating the acceleration a3 of the salt concentration rho 3; according to a third calculation method, adjusting the execution time t3 of the organic matter removal operation; the execution time t3= (H-F a 3) ×v2/ρ3 (g×m1); wherein F, G and H are constants;
The execution time t2 and the execution time t3 are used for adjusting the execution time t1 in a feedback way, wherein the execution time t1=Jt2+Kt3, and J and K are constants;
or, the execution time t1 constraint adjusts the execution time t2 and the execution time t3, where the execution time t1=jt2+kt3, and J and K are constants.
4. The control method for industrial brine treatment according to claim 1 wherein the third mapping method comprises the steps of:
and obtaining a salt water treatment starting instruction and salt water treatment time corresponding to the salt concentration and the pH value in the low-organic salt solution according to table lookup calculation, wherein the salt water treatment starting instruction is used for starting corresponding salt water treatment equipment and opening channels of the corresponding organic matter treatment equipment and the salt water treatment equipment, and the salt water treatment time corresponds to the working time of the salt water treatment equipment.
5. The method according to claim 3, wherein after the step of obtaining the source information of the industrial brine, and before the step of matching the corresponding pretreatment operation according to the first mapping method based on the source information, the method further comprises a detecting step of: sampling industrial strong brine with set capacity, taking the industrial strong brine as the sampled industrial strong brine, measuring the components of the sampled industrial strong brine, comparing the detected components with the components set in the source information in matching degree, outputting a matching result, judging whether the matching result is equal to or higher than a set threshold value or not based on the matching result, and returning to the step of acquiring the source information of the industrial strong brine if the matching result is lower than the set threshold value; otherwise, continuing the step of matching the corresponding preprocessing operation according to the first mapping method based on the source information.
6. The control method for industrial brine treatment according to claim 5 wherein a stirring device is provided in the industrial brine storage device; in the detection step, the method further comprises a stirring step before the industrial strong brine with the set capacity is sampled; and outputting a stirring start signal, starting the stirring equipment, and stirring for a set time, wherein the execution time t1 and the stirring set time are set in positive correlation, and the shorter the execution time t1 is, the shorter the stirring set time is.
7. An industrial brine treatment control device based on the control method of the industrial brine treatment of any one of claims 1-6, comprising the following modules: the device comprises a control module (1), a pretreatment module (2), an organic matter separation or removal module (3), a low-salt high-organic aqueous solution treatment module (4) and a low-organic salt solution treatment module (5);
the pretreatment module (2) is used for matching corresponding pretreatment operations according to a first mapping method based on the source information and obtaining pretreated brine;
the organic matter separation or removal module (3) is used for measuring the types and the contents of organic matters in the pretreated brine, matching corresponding organic matter treatment operation according to a second mapping method based on the measured types and contents of the organic matters, and obtaining a low-salt high-organic water solution and a low-organic salt solution; the organic matter treatment operation comprises an organic matter separation operation and an organic matter removal operation;
The low-salt high-organic water solution treatment module (4) is used for measuring the content and the type of the organic matters in the low-salt high-organic water solution and judging whether the content and the type of the organic matters accord with the range of the recyclable organic matters or not based on the measured content and the type of the organic matters; if the water solution meets the requirement, recycling the low-salt high-organic water solution; if the water is not in conformity with the standard, carrying out biochemical or advanced oxidation operation on the low-salt high-organic water solution, and then carrying out nano-tube, standard emission or produced water recycling;
the low-organic salt solution treatment module (5) is used for measuring the salt concentration and the pH value in the low-organic salt solution and matching corresponding salt water treatment operation according to a third mapping method based on the measured salt concentration and pH value, wherein the salt water treatment operation comprises discharge, nano tube, concentration or recycling;
the control module (1) is used for acquiring source information of the industrial strong brine, and the control module (1) is electrically connected to the industrial strong brine storage equipment, the pretreatment equipment, the organic matter treatment equipment and the brine treatment equipment and is electrically connected to a channel valve between the industrial strong brine storage equipment, the pretreatment equipment, the organic matter treatment equipment and the brine treatment equipment.
8. The industrial brine treatment control device according to claim 7, further comprising a first mapping module (6), a second mapping module (7) and a third mapping module (8);
The first mapping module (6) is used for obtaining a pretreatment starting instruction corresponding to the types and characteristics of the organic matters and the salt according to table lookup calculation, wherein the pretreatment starting instruction is used for starting corresponding pretreatment equipment and opening channels of the corresponding pretreatment equipment and the industrial strong brine storage equipment;
in the pretreatment operation, based on a set volume of the industrial strong brine V1, the salt concentration rho 1 of the industrial strong brine is measured in real time, the acceleration a1 of the change of the salt concentration rho 1 is calculated, and the execution time t1 of the pretreatment operation is regulated according to a first calculation method; execution time t1= (a×|a1| -b×ρ1) ×v1+a, where a and B are constants;
the second mapping module (7) is used for obtaining an organic matter processing starting instruction corresponding to the type and the content of the organic matters according to table lookup calculation, wherein the organic matter processing starting instruction is used for starting corresponding organic matter processing equipment and opening channels of the corresponding organic matter processing equipment and the pretreatment equipment;
a set volume of the pretreated brine V2;
the separation operation of the organic matters generates pure water and a low-salt high-organic water solution, wherein the pure water accounts for M1; measuring the organic matter concentration rho 2 of the low-salt high-organic water solution in real time, and calculating the acceleration a2 of the organic matter concentration rho 2; according to a second calculation method, adjusting the execution time t2 of the separation operation of the organic matters; the execution time t2= (E-C a 2) ×v2/ρ2 (d×m1); wherein C, D and E are constants;
Or, the organic matter removing operation generates pure water and a low-organic salt solution, wherein the pure water accounts for M2; measuring the salt concentration rho 3 of the low-organic salt solution in real time, and calculating the acceleration a3 of the salt concentration rho 3; according to a third calculation method, adjusting the execution time t3 of the organic matter removal operation; the execution time t3= (H-F a 3) ×v2/ρ3 (g×m1); wherein F, G and H are constants;
the execution time t2 and the execution time t3 are used for adjusting the execution time t1 in a feedback way, wherein the execution time t1=Jt2+Kt3, and J and K are constants;
or, the execution time t1 constraint adjusts the execution time t2 and the execution time t3, wherein the execution time t1=jt2+kt3, J and K are constants;
and the third mapping module (8) is used for obtaining a brine treatment starting instruction and a brine treatment time corresponding to the salt concentration and the pH value in the low-organic-content brine solution according to table lookup calculation, wherein the brine treatment starting instruction is used for starting corresponding brine treatment equipment and opening channels of the corresponding organic matter treatment equipment and the brine treatment equipment, and the brine treatment time corresponds to the working time of the brine treatment equipment.
9. The industrial brine treatment control device according to claim 8, further comprising a detection module (9), wherein the detection module (9) is electrically connected to the control module (1) for sampling industrial brine of a set volume, as sampled industrial brine, performing component measurement on the sampled industrial brine, comparing the detected components with components set in the source information, outputting a matching result, judging whether or not the matching result is equal to or higher than a set threshold value, and returning to the step of acquiring source information of the industrial brine if the matching result is lower than the set threshold value; otherwise, continuing the step of matching the corresponding preprocessing operation according to the first mapping method based on the source information.
10. The industrial strong brine treatment control device according to claim 9, further comprising a stirring control sub-module (10), wherein the stirring control sub-module (10) is configured to receive a detection signal sent by the control module (1) and is configured to start a stirrer to stir for a set time, the execution time t1 and the stirring set time are set in positive correlation, and the shorter the execution time t1, the shorter the stirring set time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311374676.2A CN117326742B (en) | 2023-10-23 | 2023-10-23 | Control method and device for industrial strong brine treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311374676.2A CN117326742B (en) | 2023-10-23 | 2023-10-23 | Control method and device for industrial strong brine treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117326742A true CN117326742A (en) | 2024-01-02 |
| CN117326742B CN117326742B (en) | 2024-03-26 |
Family
ID=89275421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311374676.2A Active CN117326742B (en) | 2023-10-23 | 2023-10-23 | Control method and device for industrial strong brine treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117326742B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117585870A (en) * | 2024-01-19 | 2024-02-23 | 天津泰港石化环保科技发展有限公司 | Industrial sewage treatment process and treatment device thereof |
| CN119034522A (en) * | 2024-10-31 | 2024-11-29 | 山西梗阳新能源有限公司 | Coal chemical industry strong brine mixing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4317299A1 (en) * | 1992-05-25 | 1993-12-02 | Steinmueller Gmbh L & C | Processing waste water with salt content and volatile matter - has a second electrodialysis stage for further concn. and diluate feedback |
| JP2006061764A (en) * | 2004-08-24 | 2006-03-09 | Univ Waseda | Waste water treatment method and waste water treatment apparatus |
| KR20130132020A (en) * | 2012-05-25 | 2013-12-04 | 주식회사 한화건설 | High-recovery nf/ro water purification system with inter-stage demineralization process |
| CN210313886U (en) * | 2019-03-19 | 2020-04-14 | 南京科技职业学院 | Modular real device of instructing of municipal administration sewage treatment experiment |
| CN113387495A (en) * | 2021-06-18 | 2021-09-14 | 安庆海达化工有限公司 | Industrial sewage stage treatment discharging equipment |
-
2023
- 2023-10-23 CN CN202311374676.2A patent/CN117326742B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4317299A1 (en) * | 1992-05-25 | 1993-12-02 | Steinmueller Gmbh L & C | Processing waste water with salt content and volatile matter - has a second electrodialysis stage for further concn. and diluate feedback |
| JP2006061764A (en) * | 2004-08-24 | 2006-03-09 | Univ Waseda | Waste water treatment method and waste water treatment apparatus |
| KR20130132020A (en) * | 2012-05-25 | 2013-12-04 | 주식회사 한화건설 | High-recovery nf/ro water purification system with inter-stage demineralization process |
| CN210313886U (en) * | 2019-03-19 | 2020-04-14 | 南京科技职业学院 | Modular real device of instructing of municipal administration sewage treatment experiment |
| CN113387495A (en) * | 2021-06-18 | 2021-09-14 | 安庆海达化工有限公司 | Industrial sewage stage treatment discharging equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117585870A (en) * | 2024-01-19 | 2024-02-23 | 天津泰港石化环保科技发展有限公司 | Industrial sewage treatment process and treatment device thereof |
| CN117585870B (en) * | 2024-01-19 | 2024-04-16 | 天津泰港石化环保科技发展有限公司 | Industrial sewage treatment process and treatment device thereof |
| CN119034522A (en) * | 2024-10-31 | 2024-11-29 | 山西梗阳新能源有限公司 | Coal chemical industry strong brine mixing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117326742B (en) | 2024-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117326742B (en) | Control method and device for industrial strong brine treatment | |
| CN105000737B (en) | A kind of Industrial sewage treatment system and sewage water treatment method | |
| US10214433B2 (en) | Brine treatment scaling control system and method | |
| AU2017201329B2 (en) | Method of treating industrial water | |
| CN104276711A (en) | Reverse osmosis membrane treatment process for recycling industrial sewage and realizing zero release | |
| CN105645625A (en) | High-efficiency high-recovery-rate reverse osmosis dense water recycling treatment method and system | |
| CN205603386U (en) | Strong brine zero release membrane concentrator | |
| CN106007144A (en) | Wet desulphurization waste water zero-discharge treatment method | |
| CN106966536A (en) | Strong brine zero-emission film concentration technology and equipment | |
| JP2016131937A (en) | Seawater desalination system and method | |
| CN105481141A (en) | Method for reconcentrating and recycling reverse osmosis concentrated brine in reclaimed water recycling device | |
| CN217498942U (en) | Desulfurization waste water resourceful treatment device | |
| CN204981431U (en) | Adopt tubular micro -filtration membrane's desulfurization waste water recycling processing system | |
| CN108975565A (en) | A kind of steel and iron industry strong brine processing unit and method | |
| CN112897763B (en) | Gas field water treatment method and system | |
| JP2019063773A (en) | Wastewater concentration method and wastewater concentration device | |
| Kiril Mert et al. | Application of nanofiltration and reverse osmosis for tanning wastewater | |
| CN214400101U (en) | A Zero Discharge Treatment System for Draining Water | |
| Stendahl et al. | The REAL process–a process for recycling sludge from water works | |
| RU2751715C2 (en) | Unit for concentration of salt solution | |
| Pervov et al. | Membrane techniques in groundwater treatment | |
| TWI757581B (en) | water treatment device | |
| Pervov et al. | Utilization of concentrate in reverse osmosis in water desalination systems | |
| Pervov | Modernization of conventional spiral wound module—principles to design RO without pretreatment and concentrate effluents | |
| EP4144433A1 (en) | A method and system for removal of dissolved matter from water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |