CN107759007A - The processing system and handling process of a kind of Cutting Liquid Wastewater - Google Patents
The processing system and handling process of a kind of Cutting Liquid Wastewater Download PDFInfo
- Publication number
- CN107759007A CN107759007A CN201610698823.5A CN201610698823A CN107759007A CN 107759007 A CN107759007 A CN 107759007A CN 201610698823 A CN201610698823 A CN 201610698823A CN 107759007 A CN107759007 A CN 107759007A
- Authority
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- China
- Prior art keywords
- pump housing
- cutting liquid
- liquid wastewater
- groove
- demulsification
- 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.)
- Pending
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 47
- 239000007788 liquid Substances 0.000 title claims abstract description 47
- 239000002351 wastewater Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000008569 process Effects 0.000 title claims abstract description 15
- 230000003647 oxidation Effects 0.000 claims abstract description 31
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 31
- 239000002253 acid Substances 0.000 claims abstract description 30
- 239000003610 charcoal Substances 0.000 claims abstract description 21
- 230000002745 absorbent Effects 0.000 claims abstract description 17
- 239000002250 absorbent Substances 0.000 claims abstract description 17
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 45
- 239000000243 solution Substances 0.000 claims description 15
- 239000002173 cutting fluid Substances 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 5
- 239000006228 supernatant Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000005416 organic matter Substances 0.000 claims description 2
- 239000010808 liquid waste Substances 0.000 claims 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000005554 pickling Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 description 17
- 239000012530 fluid Substances 0.000 description 7
- 238000004065 wastewater treatment Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005555 metalworking Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000005068 cooling lubricant Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring 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
- C02F1/001—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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/444—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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of processing system of Cutting Liquid Wastewater and handling process, including the groove that is demulsified, acid solution bucket, lye tank, O3 contacted oxidation pond, absorbent charcoal adsorber and ultrafiltration membrane separating device, groove be demulsified built with Cutting Liquid Wastewater, demulsification groove is connected by first pump housing with acid solution bucket, it is connected by second pump housing with lye tank, the 3rd pump housing is provided with demulsification groove, demulsification groove is connected by the 3rd pump housing with O3 contacted oxidation pond, ozone generator and the 4th pump housing are installed in O3 contacted oxidation pond, O3 contacted oxidation pond is connected by the 4th pump housing with absorbent charcoal adsorber, absorbent charcoal adsorber connects ultrafiltration membrane separating device；The handling process of the present invention is simple, is easy to implement industrialization.
Description
Technical field
The present invention relates to industrial waste water treatment, more particularly to a kind of processing system of Cutting Liquid Wastewater and processing
Technique.
Background technology
Cutting fluid is the cooling agent and lubricant commonly used in a kind of intermetallic composite coating and mechanical processing process.Cutting fluid presses oil product
Chemical composition is divided into water-soluble metalworking liquid and the major class of water-insoluble cutting fluid two.At present the conventional cutting fluid of metal-working industry with
Water-soluble metalworking liquid is in the majority.
At present, the application of cutting fluid has one than more prominent environmental problem, can become after being recycled due to cutting fluid
Matter, failure, turns into Cutting Liquid Wastewater, and the emulsification degree of Cutting Liquid Wastewater is high, and chemical property is stable, and biodegradability is poor, this
Kind high concentration, the organic wastewater of difficult degradation causes greatly to pollute to environment, and is detrimental to health, it is necessary to is discharged after processing.
Domestic and international manufacturing most enterprises, the disposal for cutting waste fluid is mainly using the processing of commission dangerous waste disposal company
Or voluntarily handle.Sewage drainage standard has strict limitation to the pH value in waste water, grease, solid and tenor, due to cutting
Cut waste liquid and contain multiple pollutant, and complicated component, intractability is larger, in face of the requirement of increasingly strict environmental regulation and useless
Water process standard, in general enterprise itself is difficult the technical conditions for possessing cutting waste fluid processing, or needs once to put into more
Equipment and manpower, thus most typically and economic cutting waste fluid processing mode are the qualified companies of commission on behalf of place at present
Reason, but cutting waste fluid processing is costly, in face of the treatment cost of waste liquor of great number, numerous enterprises can't bear the heavy load, fraction
Enterprise even makes a desperate move, and discarding or " arranging steathily ", the environment lived to us, causes great influence safely.
Research is a kind of efficiently, simple cutting waste fluid handling process, turns into the technical barrier of current urgent need to resolve.Huang Shizhou
A kind of " cutting waste fluid processing method " is disclosed Deng in Application No. 201310251067.8, is comprised the following steps：It will wait to locate
The waste liquid of reason separates mineral oil in waste liquid and water base using low-temperature multi-effect method of evaporating, subsequently carries out air supporting, light electrolysis,
Fenton oxidation, catalysis oxidation and charcoal absorption processing.This method realizes cutting waste fluid safety dumping standard, but processing step
Complexity, long processing period, production capacity are low.
The content of the invention
In order to solve the problems of the prior art, it is an object of the invention to provide a kind of processing system of Cutting Liquid Wastewater and
Handling process, handling process of the invention is simple, is easy to implement industrialization.
To achieve these goals, the technical solution adopted by the present invention：A kind of processing system of Cutting Liquid Wastewater, its feature exist
In, including demulsification groove, acid solution bucket, lye tank, O3 contacted oxidation pond, absorbent charcoal adsorber and ultrafiltration membrane separating device, institute
State demulsification groove to be connected with acid solution bucket by first pump housing built with Cutting Liquid Wastewater, the demulsification groove, pass through second pump housing and alkali
Liquid bucket is connected, and the 3rd pump housing is provided with the demulsification groove, and the demulsification groove is connected by the 3rd pump housing and O3 contacted oxidation pond
Connect, ozone generator and the 4th pump housing are installed in the O3 contacted oxidation pond, the O3 contacted oxidation pond passes through the 4th
The pump housing is connected with absorbent charcoal adsorber, and the absorbent charcoal adsorber connects ultrafiltration membrane separating device.
Wherein, for the acid solution bucket built with spent acid, the spent acid is the spent acid after acid-washed metal part.
It is demulsified using spent acid, is utilized using waste liquid circulation, reduces treatment cost of waste liquor, and saved the energy.
Wherein, the lye tank is built with the NaOH aqueous solution.
Wherein, the demulsification groove is connected with filter press, and the supernatant after press filtration flows into demulsification groove.
A kind of handling process of Cutting Liquid Wastewater, it is characterised in that comprise the following steps：
S1, the spent acid in acid solution bucket is pumped into by demulsification groove by first pump housing, carries out demulsification processing, stirred,
Stand, layering, suction out upper strata oil；
S2, the alkali lye in lye tank is pumped into by demulsification groove by second pump housing, pH=6-8 is adjusted, will handle
Cutting Liquid Wastewater afterwards is passed through filter press, and supernatant back flows back into demulsification groove after press filtration；
S3, the Cutting Liquid Wastewater after S2 is handled by the 3rd pump housing are pumped into O3 contacted oxidation pond, open
Ozone generator, carry out ozone Oxidation Treatment；
S4, opens the 4th pump housing in O3 contacted oxidation pond, and the Cutting Liquid Wastewater after S3 is handled by the 4th pump housing is pumped into
Absorbent charcoal adsorber, carry out absorption and remove organic matter；
S5, the Cutting Liquid Wastewater after S4 is handled are passed through ultrafiltration membrane separating device, and the Cutting Liquid Wastewater after processing directly discharges.
Wherein, the spent acid in the S1 is the spent acid after acid-washed metal part, and the spent acid addition is cutting fluid waste water
6%.
Wherein, mixing time is 30min, time of repose 24h in the S1.
Wherein, the alkali lye in the S2 is NaOH solution.
Wherein, the temperature of ozone oxidation is 25-30 DEG C in the S3, time 1-2h.
Compared with prior art, the beneficial effect that the present invention realizes：The cutting fluid waste water treatment technology of the present invention is simple, just
In realizing industrialization；The cutting fluid waste water treatment technology of the present invention is demulsified using spent acid, is utilized, reduced useless using waste liquid circulation
Liquid processing cost, and saved the energy；Upper strata mineral oil after the cutting fluid waste water treatment technology recovery demulsification of the present invention, again
Come into operation, greatly increase benefit, turn waste into wealth.
Brief description of the drawings
The present invention is further described below in conjunction with the drawings and specific embodiments：
Fig. 1 is the structural representation of the processing system of Cutting Liquid Wastewater of the present invention.
Wherein：Be demulsified groove 1, acid solution bucket 2, lye tank 3, O3 contacted oxidation pond 4, absorbent charcoal adsorber 5, milipore filter point
From device 6, first pump housing 7, second pump housing 8, the 3rd pump housing 9, ozone generator 10, the 4th pump housing 11, filter press 12.
Embodiment
As shown in figure 1, a kind of processing system of Cutting Liquid Wastewater, including demulsification groove 1, acid solution bucket 2, lye tank 3, ozone connects
Oxidation pond 4, absorbent charcoal adsorber 5 and ultrafiltration membrane separating device 6 are touched, the demulsification groove 1 is built with cutting fluid waste aqueous emulsion, institute
State demulsification groove 1 to be connected with acid solution bucket 2 by first pump housing 7, be connected by second pump housing 8 with lye tank 3, set in demulsification groove 1
There is the 3rd pump housing 9, the demulsification groove 1 connects O3 contacted oxidation pond 4 by the 3rd pump housing 9, in the O3 contacted oxidation pond 4
The pump housing 11 of ozone generator 10 and the 4th is installed, the O3 contacted oxidation pond 4 passes through the 4th pump housing 11 and charcoal absorption
Device 5 connects, and the absorbent charcoal adsorber 5 connects ultrafiltration membrane separating device 6.
Specific processing method：
A) demulsification is handled
500L Cutting Liquid Wastewaters are taken to pour into demulsification groove 1, will be useless in acid solution bucket 2 by first pump housing 7
Sour 30L is pumped into demulsification groove 1, stirs 30min, stands 24h, layering, and upper strata oil suctions out；
B) settlement treatment is neutralized
NaOH solution in lye tank 3 is pumped into by demulsification groove 1 by second pump housing 8, adjusts pH=6-8,
Cutting Liquid Wastewater after processing is passed through filter press 12, supernatant back flows back into demulsification groove 1；
C) O3 contacted oxidation is handled
Cutting Liquid Wastewater after b is handled by the 3rd pump housing 9 is pumped into O3 contacted oxidation pond 4, opens
Ozone generator 10, handles 1-2h at a temperature of 25-30 DEG C；
D) charcoal absorption is handled
The 4th pump housing 11 in O3 contacted oxidation pond 4 is opened, after O3 contacted oxidation pond 4 is handled by the 4th pump housing 11
Cutting Liquid Wastewater is pumped into absorbent charcoal adsorber 5, adsorption time 20-30min；
The work for the model RLXF-6000 that the absorbent charcoal adsorber 5 used provides for Suzhou Yun Lan Environmental Protection Technology Co., Ltd
Property charcoal adsorption tower.
e）Ultrafiltration membrance filter processing
Cutting Liquid Wastewater after absorbent charcoal adsorber 5 is handled is passed through ultrafiltration membrane separating device 6, the Cutting Liquid Wastewater after processing
Directly discharge.Ultrafiltration membrane separating device 6 herein is the device for being covered with milipore filter, and waste water completes water purification mistake by this milipore filter
Journey.
Above-mentioned embodiment is exemplary, is to preferably make skilled artisans appreciate that originally
Patent, it is impossible to be not understood as the limitation for including scope to this patent；As long as times made of spirit according to disclosed in this patent
How with change or modification, the scope that this patent includes is each fallen within.
Claims (9)
1. a kind of processing system of Cutting Liquid Wastewater, it is characterised in that including the groove that is demulsified（1）, acid solution bucket（2）, lye tank（3）,
O3 contacted oxidation pond（4）, absorbent charcoal adsorber（5）And ultrafiltration membrane separating device（6）, the demulsification groove（1）Built with cutting
Cut liquid waste water, the demulsification groove（1）Pass through first pump housing（7）With acid solution bucket（2）Connection, passes through second pump housing（8）With lye tank
（3）Connection, the demulsification groove（1）Inside it is provided with the 3rd pump housing（9）, the demulsification groove（1）Pass through the 3rd pump housing（9）Connect with ozone
Touch oxidation pond（4）Connection, the O3 contacted oxidation pond（4）Ozone generator is inside installed（10）With the 4th pump housing（11）, institute
State O3 contacted oxidation pond（4）Pass through the 4th pump housing（11）With absorbent charcoal adsorber（5）Connection, the absorbent charcoal adsorber
（5）Connect ultrafiltration membrane separating device（6）.
2. the processing system of Cutting Liquid Wastewater as claimed in claim 1, it is characterised in that the acid solution bucket（2）Built with useless
Acid, the spent acid are the spent acid after acid-washed metal part.
3. the processing system of Cutting Liquid Wastewater as claimed in claim 1, it is characterised in that the lye tank（3）Built with
The NaOH aqueous solution.
4. the processing system of Cutting Liquid Wastewater as claimed in claim 1, it is characterised in that the demulsification groove（1）With filter press
（12）Connection, the supernatant after press filtration flow into demulsification groove（1）.
5. a kind of handling process of Cutting Liquid Wastewater, it is characterised in that comprise the following steps：
S1, pass through first pump housing（7）By acid solution bucket（2）In spent acid be pumped into demulsification groove（1）, carry out
Demulsification is handled, and is stirred, and is stood, layering, suctions out upper strata oil；
S2, pass through second pump housing（8）By lye tank（3）In alkali lye be pumped into demulsification groove（1）, regulation
PH=6-8, the Cutting Liquid Wastewater after processing is passed through filter press（12）, supernatant back flows back into demulsification groove after press filtration（1）；
S3, pass through the 3rd pump housing（9）Cutting Liquid Wastewater after S2 is handled is pumped into O3 contacted oxidation pond（4）,
Open ozone generator（10）, carry out ozone Oxidation Treatment；
S4, open O3 contacted oxidation pond（4）In the 4th pump housing（11）, pass through the 4th pump housing（11）Cutting after S3 is handled
Liquid waste water is pumped into absorbent charcoal adsorber（5）, carry out absorption and remove organic matter；
S5, the Cutting Liquid Wastewater after S4 is handled are passed through ultrafiltration membrane separating device（6）, the Cutting Liquid Wastewater after processing directly arranges
Put.
6. the handling process of Cutting Liquid Wastewater as claimed in claim 5, it is characterised in that the spent acid in the S1 is pickling gold
Belong to the spent acid after part, the spent acid addition is the 6% of cutting fluid waste water.
7. the handling process of Cutting Liquid Wastewater as claimed in claim 5, it is characterised in that mixing time is in the S1
30min, time of repose 24h.
8. the handling process of Cutting Liquid Wastewater as claimed in claim 5, it is characterised in that the alkali lye in the S2 is molten for NaOH
Liquid.
9. the handling process of Cutting Liquid Wastewater as claimed in claim 5, it is characterised in that the temperature of ozone oxidation in the S3
For 25-30 DEG C, time 1-2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610698823.5A CN107759007A (en) | 2016-08-22 | 2016-08-22 | The processing system and handling process of a kind of Cutting Liquid Wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610698823.5A CN107759007A (en) | 2016-08-22 | 2016-08-22 | The processing system and handling process of a kind of Cutting Liquid Wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107759007A true CN107759007A (en) | 2018-03-06 |
Family
ID=61262276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610698823.5A Pending CN107759007A (en) | 2016-08-22 | 2016-08-22 | The processing system and handling process of a kind of Cutting Liquid Wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107759007A (en) |
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