CN201082877Y - Oil-containing sewage treating apparatus - Google Patents
Oil-containing sewage treating apparatus Download PDFInfo
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- CN201082877Y CN201082877Y CNU2007200910977U CN200720091097U CN201082877Y CN 201082877 Y CN201082877 Y CN 201082877Y CN U2007200910977 U CNU2007200910977 U CN U2007200910977U CN 200720091097 U CN200720091097 U CN 200720091097U CN 201082877 Y CN201082877 Y CN 201082877Y
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- 239000010865 sewage Substances 0.000 title abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 238000007667 floating Methods 0.000 claims abstract description 30
- 238000005189 flocculation Methods 0.000 claims description 27
- 230000016615 flocculation Effects 0.000 claims description 27
- 230000005611 electricity Effects 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 19
- 238000010926 purge Methods 0.000 claims description 14
- 238000004065 wastewater treatment Methods 0.000 claims description 11
- 239000000706 filtrate Substances 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000011147 inorganic material Substances 0.000 claims description 2
- 239000008206 lipophilic material Substances 0.000 claims description 2
- 239000011368 organic material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 15
- 238000011010 flushing procedure Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000009297 electrocoagulation Methods 0.000 abstract 5
- 230000002401 inhibitory effect Effects 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 52
- 239000002699 waste material Substances 0.000 description 29
- 239000000126 substance Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000005188 flotation Methods 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 230000002262 irrigation Effects 0.000 description 4
- 238000003973 irrigation Methods 0.000 description 4
- 239000007764 o/w emulsion Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000004581 coalescence Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000006053 organic reaction Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 229930195733 hydrocarbon Natural products 0.000 description 1
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000008676 import Effects 0.000 description 1
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- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- 239000000725 suspension Substances 0.000 description 1
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- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The utility model discloses an oily sewage treatment device. A plurality of groups of mutually parallel electrode plates (2) and coalescent filling material (17) are arranged in an electrocoagulation tank (1), the electrode plates are mutually connected and then connected with a direct current power supply, the coalescent filling material is arranged at the water outlet part inside the electrocoagulation tank, an oil wiper (4) is arranged on the upper end surface of the electrocoagulation tank, and a back flushing device (5) is arranged at the lower end of the electrocoagulation tank; a plurality of groups of mutually parallel electrode plates (8), the coalescent filling materials (18) and an ultrasonic scale inhibiting device are arranged inside an electrical floating tank (7), the electrode plates are mutually connected and then connected with the direct current power supply, the coalescent filling materials and the ultrasonic scale inhibiting device are arranged at the water outlet part inside the electrocoagulation tank, an oil wiper (4) is arranged on the upper end surface of the electrical floating tank, and a back flushing device (5) is arranged at the lower end of the electrical floating tank. The utility model solves the problems that the floor area of the equipment is large, the investment cost is high, and the running energy consumption cost and the material consumption cost are high, the power consumption is effectively decreased, the scale formation of the electrode plate is prevented, and the oily sewage after treatment is steady and comes up to the standard.
Description
Technical field
The utility model belongs to technical field of sewage, and what relate generally to is a kind of oil-contained waste water treatment device.Be used for the sewage disposal of the defeated process of oil development collection, the sewage disposal of refinery petroleum chemical plant crude oil and chemical engineering sewage are handled, and are particularly useful for the processing of tertiary oil production in oil field re-injection oily(waste)water.
Background technology
Oily(waste)water is the big and wide source of pollution of a kind of amount.Show to have at least every year ten thousand tons of oils of 500-1000 to enter water body by all means in the world according to pertinent data.The source of oily(waste)water is very extensive, mainly from industrial enterprises such as oil, petrochemical complex, iron and steel, coking, gas generating station, machineries, all can produce oily(waste)water in railway transportation, weaving and the light industry in addition.
Oil in the oily(waste)water generally is present in the water with four kinds of states: (1) suspension oil: the oil product particle diameter is bigger, generally greater than 100 μ m, be easy to bubble through the water column and can skim, it be the major portion of oleaginousness in the waste water, generally accounts for 65%～70% of oleaginousness in the waste water.The normal means such as dragging for left-falling stroke that adopt are removed in oil trap.(2) dispersed oil: suspend in water with tiny oil droplets, instability often becomes oil slick after leaving standstill, and its elaioleucite directly is 10-100 μ m.(3) dissolving oil: it is the oil content less than the oil in water emulsion particle diameter, may diminish to several nanometers sometimes, and majority is a dissolved hydrocarbons oil, and the solubleness in water is very little, generally is about 5～15mg/L, adopts biochemical process to remove more.(4) oil in water emulsion: oily(waste)water is cut by turbomachine in course of conveying, or pressure reduces suddenly or has a tensio-active agent, oil is emulsified state in water, form oil in water emulsion, the oil product particle diameter is less than 15 μ m, system is more stable, is difficult for floating on the water surface, generally adopts methods such as flotation, filtration, flocculation to remove.Oil in water emulsion contains interfacial agent and plays the organism of same purpose, and oil content exists with the particle of micron number magnitude, and separating difficulty is quite big.
It is as follows that China's oil chemical industry oil-containing sewage treatment technique technology mainly contains four typical process at present:
(1) oily(waste)water → oil removal → flotation → filtration → biological treatment → water body or irrigation.
(2) oily(waste)water → flotation → flotation or filtration → biological treatment → water body or irrigation.
(3) oily(waste)water → oil removal → flotation → flotation or filtration → water body or irrigation.
(4) oily(waste)water → oil removal → flotation → water body or irrigation.
This overlaps treatment scheme Technology maturation, adaptability is strong, reliable and stable, but its floor space is big, energy consumption and material consumption expense height, investment cost height, adopt the method for electricity flocculation, the electric floating and ultrasound-enhanced oxidation of ozone, thereby solve the handling problem of oily(waste)water, make the oily(waste)water stably reaching standard after the processing.
In recent years, the oily water treatment technical elements is developed a series of technology.Chinese patent CN 1654350A discloses a kind of oil field sewage treating equipment, comprise electric scale inhibitor, electric flocculator, electric Air-float separator, shell strainer, Guartz filter and electric sterilizer that the order pipeline connects, be provided with oil wiper at the upper opening place of electric Air-float separator.This is simple to operate, and the level of automation height can not damage the ecotope on stratum after the water of this device processes is recycled into the stratum, can be recycled the crude oil in the oily(waste)water simultaneously.But this apparatus structure complexity is bulky, and the power consumption height is difficult to realize direct qualified discharge.Chinese patent CN 2579880Y discloses a kind of oil field waste treatment unit, its structure is the horizontal circular container, inside is divided into pretreating zone and electric floating region, wherein pretreating zone is provided with plate washer, swash plate and oil-collecting bag, and electric floating region is provided with the effluent trough (pipe) of plate washer, battery lead plate, oil-collecting bag and control water level.It does not need to add various medicaments when handling oil field waste, reduce processing cost significantly, has simplified on-the-spot actually operating requirement, has realized that electric floating oil removing and electrolytic sterilizing are integrated.But still existing device huge, the power consumption height does not have the problem of antiscale means.
Summary of the invention
The purpose of this utility model is to propose a kind of oil-contained waste water treatment device.The solution occupation area of equipment is big, the investment cost height, and operation energy consumption and the high problem of material consumption expense effectively reduce power consumption, prevent the pole plate fouling, make the oily(waste)water stably reaching standard after the processing.
The utility model realizes that the technical scheme that above-mentioned purpose is taked is: be connected with the positive and negative electrode of direct supply after being provided with many group parallel electrodes plates and coalescent pack, battery lead plate interconnect in electricity flocculation groove, coalescent pack is arranged on the water outlet position in the electricity flocculation groove, is provided with oil wiper in the upper surface of electricity flocculation groove, the lower end is provided with back-purge system; In electric air floating trough, be provided with many group parallel electrodes plates and coalescent pack and ultrasonic antisludging equipment, battery lead plate interconnects the back and is connected with the positive and negative electrode of direct supply 9, coalescent pack and ultrasonic antisludging equipment are arranged on the water outlet position in the electricity flocculation groove, are provided with oil wiper in the upper surface of electric air floating trough, the lower end is provided with back-purge system; The water-in of electric air floating trough is connected with the water outlet of electricity flocculation groove, and its water outlet sump pump is connected with the one-level hay tank, and this one-level hay tank is connected with the cascade filtration jar.
The utility model is big at existing oil conte, sewage treatment device floor space, investment cost is high, operation energy consumption and the high problem of material consumption expense, adopt electricity flocculation (including coalescent pack), electric floating (including coalescent pack) and filtering method, coalescent, the organic lipophilic material filtration of electrochemical treatment and physics is combined, stop the electrode fouling and promote hydrogen and oxygen and the organic reaction of nascent state with ultrasonic antisludging equipment, thus the handling problem of solution oily(waste)water.Have stable operation, the level of automation height does not add chemical agent, and scum silica frost is few, and adaptability is strong, makes the oily(waste)water stably reaching standard after the processing.Can be used for the sewage disposal in the defeated process of oil development collection, can be used for the sewage disposal of refinery petroleum chemical plant crude oil again, also can be used for chemical engineering sewage and handle, be particularly useful for the processing of tertiary oil production in oil field re-injection oily(waste)water.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model one-level hay tank.
Fig. 3 is the structural representation of the utility model cascade filtration jar.
Fig. 4 is the structural representation of the utility model back-purge system.
Among the figure: 1, electricity flocculation groove, 2, battery lead plate, 3, direct supply, 4, oil wiper, 5, back-purge system, 6,, wash water valve, 7, electric air floating trough, 8, electrode, 9, direct supply, 10, oil wiper, 11, back-purge system, 12, wash water valve, 13, sump pump, 14, the one-level hay tank, 15, the cascade filtration jar, 16, recoil tube, 17, coalescent pack, 18, coalescent pack, 19, ultrasonic antisludging equipment, 20, filter core, 21, be responsible for, 22, shower nozzle.
Embodiment
In conjunction with the accompanying drawings, it is as follows to provide embodiment of the present utility model:
As shown in the figure: present embodiment is to be provided with some groups of (general 2-100 group) parallel electrodes plates 2 in electricity flocculation groove 1, and battery lead plate 2 is netted or plank frame, and material is aluminium or iron isoreactivity metal.Be the positive and negative electrode relation between the adjacent electrode plates, be connected by lead with the positive and negative electrode of direct supply 3 respectively after battery lead plate at interval interconnects that the output rating of direct supply 3 is generally 1-500Kv, output voltage is 5-500V.Be arranged on the upper surface of electricity flocculation groove 1 by the automatic oil wiper 4 of driven by motor, its effect is the oils that in time scrapes off come-up.Lower end at electricity flocculation groove 1 is provided with back-purge system 5, the structure of back-purge system 5 is 10 millimeters a shower nozzle 22 (as shown in Figure 4) for being responsible for distribution diameter on 21, and its effect utilizes high pressure water flushing under suspended state not to remove silt and other sediment in the electricity flocculation groove 1.Be provided with wash water valve 6 in the bottom of back-purge system 5, effect is to discharge the settling that back flushing is come out.Water outlet position in electricity flocculation groove 1 also is provided with the coalescent pack of making of stainless steel or resene coalescence material 17, this coalescent pack 17 is the particulate filler that plate-like fillers or silk screen wrap up, be fixed in the middle of the pole plate with the tetrafluoroethylene support, be used for coalescent oils.In electric air floating trough 7, be provided with many groups (general 2-100 group) parallel electrodes plate 8 and coalescent pack 18 and ultrasonic antisludging equipment 19, be the positive and negative electrode relation between the adjacent electrode plates, after interconnecting, battery lead plate at interval is connected by lead with the positive and negative electrode of direct supply 9 respectively, electrode 8 is netted or plank frame, be insoluble nano-electrode, material is the titanium electrode with oxide coatings such as nano-noble metal ruthenium, tantalums, its current efficiency is high, scale inhibition performance good, the direct supply 9 general output ratings that link to each other with electrode 8 are 1-500Kv, and output voltage is 5-500V.Coalescent pack 18 and ultrasonic antisludging equipment 19 are arranged on the water outlet position in the electric air floating trough 7, coalescent pack 18 is the particulate filler that plate-like fillers or silk screen wrap up, be fixed on the tetrafluoroethylene support in the middle of the pole plate of electric air floating trough 7, effect is further coalescent oils.Ultrasonic antisludging equipment 19 is board-like ultrasonic generator, and effect is hydrogen and oxygen and the organic reaction that stops the electrode fouling and promote nascent state.Automatic oil wiper 10 by driven by motor is installed in electric air floating trough 7 upper surfaces, and its effect is the oils that in time scrapes off come-up.Be provided with back-purge system 11 in the lower end of electric air floating trough 7, the structure of back-purge system 11 is 10 millimeters a shower nozzle 22 (as shown in Figure 4) for being responsible for distribution diameter on 21, and effect utilizes high pressure water flushing under suspended state not to remove silt and other sediment in the electric air floating trough 7.Be provided with wash water valve 12 in the bottom of back-purge system 11, its effect is to discharge the settling that back flushing is come out.The water-in of electric air floating trough 7 is connected by pipeline with the water outlet of electricity flocculation groove 1, and its water outlet is connected sump pump 13 with one-level hay tank 14, and the effect of sump pump 13 is to realize pressurization, and the pressure of its outlet is the 0.1-0.8 MPa.The filter core 20 that is made of inorganic materials such as quartz sand, gac or chemical fibre class filtrate is housed in the one-level hay tank 14 is used to filter suspended substance, when oily(waste)water entered this one-level hay tank 14, the suspended solids in the oily(waste)water, impurity were just held back by filter core; Floating oil then by means of difference in specific gravity come-up and water sepn, is gathered in the collection chamber of filter top, and overflows thus (as shown in Figure 3).The outlet of this one-level hay tank 14 is connected with the import of cascade filtration jar 15, the filter core 20 that is made of chemical fibre or the organic oleophylic filtering material of resene is housed in the cascade filtration jar 15, and suspended solids, impurity when oily(waste)water enters in this cascade filtration jar 15 in the oily(waste)water are just held back by chemical fibre or the organic oleophylic filtering material of resene; Floating oil then by means of difference in specific gravity come-up and water sepn, is gathered in the collection chamber of filter top, and overflows thus.Be provided with backwash tube 16 in one-level hay tank 14 and cascade filtration jar 15 upper ends and be used to wash filtrate.
Concrete implementing procedure is as follows: oily(waste)water enters electricity flocculation groove 1, can make oily(waste)water form electroactive flocculation agent by electrolytic reaction, make suspended substance and oil come-up in the sewage, filtrability impurity sinks, in time scrape off the oils of come-up with oil wiper 4,, wash away silt and other sediment with back-purge system 5 flushing of not stopping work, in electricity flocculation groove 1 water outlet position stainless steel or resene coalescence material 17 are housed, are used for coalescent oils.The oily(waste)water of handling through electricity flocculation groove 1 enters electric air floating trough 7, make oily(waste)water on negative electrode and anode, separate out hydrogen and oxygen respectively by electrolytic reaction, these hydrogen and oxygen further float as crude oil flco and the suspended solids that carrier will adhere in the water, under ultrasonic antisludging equipment 19 effects, can not produce scale problems, help hydrogen and the oxygen and the organic reaction of nascent state simultaneously, owing to adopted insoluble nano-electrode 8, improved current efficiency, stainless steel or resene coalescence material 17 are equipped with in the water outlet position, are used for further coalescent oils.The oily(waste)water of handling through electric air floating trough 7 enters hay tank 14 through sump pump 13, filters suspended substance, and the nascent state ozone that produces with ozonizer mixes, after enter hay tank 15 stop further filter after 10-30 minute suspended substance with
Absorption oils, backwash tube 16 is used to wash filtrate.
The concrete application example of present embodiment is as follows:
Example 1 is used for certain refinery industrial sewage, and water quality was before it was handled: oily 110mg/l, COD1211mg/l.2 tons/hour of treatment capacities, adopt flow process as shown in Figure 1, electricity flocculation bath voltage 500V, hydraulic detention time 15 minutes, electric air floating trough voltage 500V, hydraulic detention time 15 minutes, 10 watts of ultrasonic antisludging equipment power, pump discharge pressure 0.3 MPa, hay tank total residence time 10 minutes, handling the back water quality condition is COD90mg/l, oily 6mg/l.
Example 2, be used for certain tertiary oil production in oil field re-injection oily(waste)water, oily 510mg/l before handling, suspended substance 130mg/l, adopt flow process as shown in Figure 1, electricity flocculation groove 1 voltage 5V, electric air floating trough voltage 5V, 10 watts of ultrasonic antisludging equipment power, pump discharge pressure 0.8 MPa, hay tank total residence time 30 minutes, water quality condition is after handling: oily 15mg/l, suspended substance 18mg/l.
Claims (8)
1. oil-contained waste water treatment device, comprise electricity flocculation groove (1), electric air floating trough (7), one-level hay tank (14) and cascade filtration jar (15), the water-in of electric air floating trough (7) is connected with the water outlet of electricity flocculation groove (1), its water outlet is connected with one-level hay tank (14) through sump pump (13), one-level hay tank (14) is connected with cascade filtration jar (15), it is characterized in that: in described electricity flocculation groove (1), be provided with many group parallel electrodes plates (2) and coalescent pack (17), battery lead plate (2) interconnects the back and is connected with the positive and negative electrode of direct supply (3), coalescent pack (17) is arranged on the water outlet position in the electricity flocculation groove (1), is provided with oil wiper (4) in the upper surface of electricity flocculation groove, the lower end is provided with back-purge system (5); In described electric air floating trough (7), be provided with many group parallel electrodes plates (8) and coalescent pack (18) and ultrasonic antisludging equipment (19), battery lead plate (8) interconnects the back and is connected with the positive and negative electrode of direct supply (9), coalescent pack (18) and ultrasonic antisludging equipment (19) are arranged on the water outlet position in the electricity flocculation groove, are provided with oil wiper (10) in the upper surface of electric air floating trough (7), the lower end is provided with back-purge system (11).
2. a kind of oil-contained waste water treatment device according to claim 1 is characterized in that: described battery lead plate (2) is netted or board-like aluminium, the ferroelectric utmost point, is parallel plate electrode, and the 2-100 group is arranged.
3. a kind of oil-contained waste water treatment device according to claim 1 is characterized in that: described electrode (8) is netted or board-like insoluble nano-electrode, and quantity is the 2-100 group.
4. a kind of oil-contained waste water treatment device according to claim 1 is characterized in that: the filtrate in the described one-level hay tank (14) is inorganic or organic materials,
5. a kind of oil-contained waste water treatment device according to claim 1 is characterized in that: the filtrate in the described cascade filtration jar (15) is organic lipophilic material.
6. a kind of oil-contained waste water treatment device according to claim 1 is characterized in that: described one-level hay tank (14) is provided with backwash tube (16) with cascade filtration jar (15) upper end.
7. a kind of oil-contained waste water treatment device according to claim 1 is characterized in that: the output rating of described direct supply (3) is 1-500Kv, and output voltage is 5-500V.
8. a kind of oil-contained waste water treatment device according to claim 1 is characterized in that: the top hole pressure of described sump pump (13) is the 0.1-0.8 MPa.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200910977U CN201082877Y (en) | 2007-07-20 | 2007-07-20 | Oil-containing sewage treating apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200910977U CN201082877Y (en) | 2007-07-20 | 2007-07-20 | Oil-containing sewage treating apparatus |
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| CN201082877Y true CN201082877Y (en) | 2008-07-09 |
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| CNU2007200910977U Expired - Fee Related CN201082877Y (en) | 2007-07-20 | 2007-07-20 | Oil-containing sewage treating apparatus |
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Cited By (14)
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| CN102259970A (en) * | 2011-03-08 | 2011-11-30 | 广州金川环保设备有限公司 | Method and device for pretreating oil field sewage by combining ultrasonic wave oxidation and electrochemical oxidation |
| CN102424495A (en) * | 2011-10-28 | 2012-04-25 | 广西博世科环保科技股份有限公司 | Ultrasound, magnetic field, pulse electrocoagulation and membrane composite waste water treatment method, and apparatus thereof |
| CN103663800A (en) * | 2012-09-07 | 2014-03-26 | 成都默一科技有限公司 | Wastewater purifying device for catering industry |
| CN105347444A (en) * | 2015-11-27 | 2016-02-24 | 无锡工源机械有限公司 | Contact reaction device for electrical flotation |
| CN105601002A (en) * | 2015-12-29 | 2016-05-25 | 宁磊 | A treatment system and method for purifying organic wastewater |
| US9710366B2 (en) | 2013-01-29 | 2017-07-18 | Hewlett Packard Enterprise Development Lp | Generating test code to test executable code |
| RU182736U1 (en) * | 2018-04-28 | 2018-08-29 | Федеральное государственное автономное образовательное учреждение высшего образования "Дальневосточный федеральный университет" (ДВФУ) | Device for the treatment of oily wastewater |
| CN109553241A (en) * | 2017-09-27 | 2019-04-02 | 中国石油化工股份有限公司 | A kind of oil-contained waste water treatment device and method |
| CN109987815A (en) * | 2019-04-19 | 2019-07-09 | 上海辨洁环保科技有限公司 | A kind of purification of circulating water pool dirt and bottom of pond mud Hand scarf system and method |
| CN110451697A (en) * | 2019-07-30 | 2019-11-15 | 江苏中圣高科技产业有限公司 | Salt-containing organic wastewater electrocatalytic oxidation coupling pretreatment method and device |
| CN111072190A (en) * | 2020-01-03 | 2020-04-28 | 浙江钰烯腐蚀控制股份有限公司 | Electrocatalytic oxidation and air flotation coalescence treatment process method and equipment for oil-containing sewage |
| CN111825174A (en) * | 2019-04-23 | 2020-10-27 | 中国石油化工股份有限公司 | Demulsification device and method for oil-in-water emulsion |
| CN113415928A (en) * | 2021-06-29 | 2021-09-21 | 福建安冠环境科技有限公司 | Low-concentration petroleum pollution emergency treatment integrated device |
| CN116143250A (en) * | 2021-11-15 | 2023-05-23 | 中国石油天然气集团有限公司 | An anti-scaling electrocoagulation oxidation air flotation device |
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2007
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Cited By (18)
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Assignee: Tianjin Chenchuang Environment Engineering Science & Technology Co., Ltd. Assignor: Luoyang Xinpu Petrochemical Equipment Development Co., Ltd. Contract fulfillment period: 2009.3.30 to 2014.3.30 Contract record no.: 2009120000072 Denomination of utility model: Apparatus for treating sewage containing oil, and processing technique Granted publication date: 20080709 License type: Exclusive license Record date: 20090630 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.3.30 TO 2014.3.30; CHANGE OF CONTRACT Name of requester: TIANJIN CHENCHUANG ENVIRONMENT ENGINEERING SCIENCE Effective date: 20090630 |
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