CN113716732A - Electroplating effluent zero release processing system - Google Patents
Electroplating effluent zero release processing system Download PDFInfo
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- CN113716732A CN113716732A CN202110910415.2A CN202110910415A CN113716732A CN 113716732 A CN113716732 A CN 113716732A CN 202110910415 A CN202110910415 A CN 202110910415A CN 113716732 A CN113716732 A CN 113716732A
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- 238000009713 electroplating Methods 0.000 title claims abstract description 26
- 239000002351 wastewater Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 208000028659 discharge Diseases 0.000 claims abstract description 18
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 239000010865 sewage Substances 0.000 claims abstract description 11
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000005273 aeration Methods 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000701 coagulant Substances 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 34
- 238000001223 reverse osmosis Methods 0.000 claims description 20
- 239000010802 sludge Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 9
- 238000000108 ultra-filtration Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 5
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 239000012510 hollow fiber Substances 0.000 claims description 3
- 238000001728 nano-filtration Methods 0.000 claims description 3
- 239000012267 brine Substances 0.000 claims description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000011272 standard treatment Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
-
- 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
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F7/00—Aeration of stretches of water
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- 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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses an electroplating wastewater zero-discharge treatment system which comprises a wastewater container, a water pump, a first treatment pool, a second treatment pool, a third treatment pool and a fourth treatment pool, wherein the first treatment pool is connected with the wastewater container through the water pump, and the first treatment pool, the second treatment pool, the third treatment pool and the fourth treatment pool are communicated through water pipes in sequence; an aeration pump for injecting aeration is arranged on the first treatment tank; an ozone pump for injecting ozone is arranged on the second treatment tank; coagulant and/or flocculant are injected into the third treatment tank; activated carbon is laid in the fourth treatment tank; and the fourth treatment tank is communicated with the sewage disposal tank through a pipeline. Through the design of a first treatment tank, a second treatment tank, a third treatment tank, a fourth treatment tank, a sewage disposal tank, a concentration system and a recovery system, the problems of high cost and energy consumption, complex flow and incomplete pollution removal of the traditional electroplating wastewater treatment system are solved.
Description
Technical Field
The invention relates to a discharge treatment system, in particular to an electroplating wastewater zero-discharge treatment system.
Background
The electroplating industry is an indispensable link in national economy and relates to the fields of national defense, industry and life. The method is divided into metal electroplating and plastic electroplating of machine parts from the major category, and achieves the effects of corrosion prevention, attractiveness, service life prolonging, appearance decoration and the like of workpieces.
The waste water generated by electroplating has high toxicity and is harmful to the growth of soil, animals and plants. Therefore, the wastewater must be strictly treated and discharged after reaching the standard, and wastewater treatment is carried out in water-deficient areas for recycling after reaching the standard. The electroplating wastewater is recycled after being treated, the recycled water can be reused for production line water after being desalted, the total salt content of the environment cannot be reduced, and the concentrated solution of the resin exchange and reverse osmosis process still returns to the ground.
The electroplating wastewater treatment process comprises the following steps: resin exchange is popular in the 70 th 20 th century, and electrolysis, chemical and air flotation are used in the 80 th century. According to the practice of electroplating wastewater treatment in 20 years in our factory, resin exchange has the superiority in treating noble and rare metal ion wastewater and recovering noble and rare metals. However, the traditional electroplating wastewater treatment system has high cost and energy consumption, complex flow and incomplete pollution removal. Therefore, those skilled in the art have provided a zero discharge treatment system for electroplating wastewater to solve the problems mentioned in the background art.
Disclosure of Invention
The invention aims to provide an electroplating wastewater zero-discharge treatment system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a zero-discharge treatment system for electroplating wastewater comprises a wastewater container, a water pump, a first treatment tank, a second treatment tank, a third treatment tank and a fourth treatment tank, wherein the first treatment tank is connected with the wastewater container through the water pump, and the first treatment tank, the second treatment tank, the third treatment tank and the fourth treatment tank are communicated through water pipes in sequence;
an aeration pump for injecting aeration is arranged on the first treatment tank;
an ozone pump for injecting ozone is arranged on the second treatment tank;
coagulant and/or flocculant are injected into the third treatment tank;
activated carbon is laid in the fourth treatment tank;
the fourth treatment tank is communicated with the sewage disposal tank through a pipeline, and the sewage disposal tank can discharge sludge into the sludge storage tank through a sludge pump;
the fourth treatment pool is also connected with a concentration system, and the concentration system is connected with a recovery device thereof.
As a further scheme of the invention: the concentration system comprises an ultrafiltration membrane, a nanofiltration membrane and a reverse osmosis membrane, wherein the output end of the fourth treatment tank is connected with the input end of the ultrafiltration membrane, and the output end of the reverse osmosis membrane is connected with the input end of the recovery device.
As a still further scheme of the invention: the recovery device comprises a liquid container barrel, and the input end of the liquid container barrel is connected with the output end of the reverse osmosis membrane.
As a still further scheme of the invention: the aperture range of the ultrafiltration membrane is 0.01-0.1 mu m.
As a still further scheme of the invention: the structure of the ultrafiltration membrane is a hollow fiber type.
As a still further scheme of the invention: the reverse osmosis membrane is made of aromatic polyamide, and the aperture of the reverse osmosis membrane is nano-scale.
As a still further scheme of the invention: the reverse osmosis membrane is an anti-pollution type bitter brine membrane.
Compared with the prior art, the invention has the beneficial effects that:
through the design of a first treatment tank, a second treatment tank, a third treatment tank, a fourth treatment tank, a sewage disposal tank, a concentration system and a recovery system, the problems of high cost and energy consumption, complex flow and incomplete pollution removal of the traditional electroplating wastewater treatment system are solved.
Drawings
FIG. 1 is a schematic flow diagram of an electroplating wastewater zero-discharge treatment system.
In the figure: 1. a waste water container; 2. a water pump; 3. a first treatment pool; 4. a second treatment pool; 5. a third treatment tank; 6. a fourth treatment tank; 7. a sewage disposal pool; 8. a sludge pump; 9. a sludge storage tank; 10. a concentration system; 11. and (5) a recovery device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, an electroplating wastewater zero discharge treatment system includes a wastewater container 1, a water pump 2, a first treatment tank 3, a second treatment tank 4, a third treatment tank 5, and a fourth treatment tank 6, where the first treatment tank 3 is connected to the wastewater container 1 through the water pump 2, and the first treatment tank 3, the second treatment tank 4, the third treatment tank 5, and the fourth treatment tank 6 are sequentially communicated through a water pipe; an aeration pump for injecting aeration is arranged on the first treatment tank 3; an ozone pump for injecting ozone is arranged on the second treatment tank 4; coagulant and/or flocculant is injected into the third treatment tank 5; activated carbon is paved in the fourth treatment tank 6; the fourth treatment tank 6 is communicated with the sewage disposal tank 7 through a pipeline, and the sewage disposal tank 7 can discharge sludge into a sludge storage tank 9 through a sludge pump 8; no. four treatment ponds 6 still are connected with concentrated system, concentrated system is including the milipore filter, receive filter membrane and reverse osmosis membrane, the output of No. four treatment ponds 6 is connected with the input of milipore filter, the aperture range of milipore filter is 0.01 ~ 0.1 mu m, the structure of milipore filter is the hollow fiber formula, and the output and the recovery unit 11 of its reverse osmosis membrane are connected, reverse osmosis membrane is formed by aromatic polyamide preparation, reverse osmosis membrane aperture is the nanometer, reverse osmosis membrane is the antipollution type bitter salt water film, and concentrated system is connected with its recovery unit 11, recovery unit 11 is including the liquid container bucket, the input and the output of reverse osmosis membrane of liquid container bucket are connected.
The waste water is stored in a waste water container 1 and pumped into a first treatment tank 3 by a water pump 2, an aeration pump forcibly introduces air into the waste water to ensure that the waste water in the tank is contacted with the air for oxygenation and agitates liquid, the transfer of oxygen in the air into the liquid is accelerated, suspended objects in the tank are prevented from sinking, the contact of organic matters in the tank with microorganisms and dissolved oxygen is enhanced, the organic matters in the waste water are subjected to oxidative decomposition, then the waste water in the first treatment tank 3 flows into a second treatment tank 4 through a water pipe and is subjected to disinfection and sterilization treatment through ozone, the waste water continuously flows into a third treatment tank 5 through the water pipe, suspended matters on the waste water are flocculated through a flocculating agent, then the waste water continuously enters a fourth treatment tank 6 through a water pipe and is finally discharged into a sewage discharge tank 7, precipitates are pumped into a sludge storage tank 9 through a sludge pump 8, and the waste water continuously enters a concentration system 10, and finally reaches the bottom of the recovery device 11 through the ultrafiltration membrane, the nanofiltration membrane and the reverse osmosis membrane in sequence, and is stored by a liquid container barrel.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The electroplating wastewater zero-discharge treatment system is characterized by comprising a wastewater container (1), a water pump (2), a first treatment pool (3), a second treatment pool (4), a third treatment pool (5) and a fourth treatment pool (6), wherein the first treatment pool (3) is connected with the wastewater container (1) through the water pump (2), and the first treatment pool (3), the second treatment pool (4), the third treatment pool (5) and the fourth treatment pool (6) are communicated through water pipes in sequence;
an aeration pump for injecting aeration is arranged on the first treatment tank (3);
an ozone pump for injecting ozone is arranged on the second treatment pool (4);
coagulant and/or flocculant is injected into the third treatment tank (5);
activated carbon is paved in the fourth treatment tank (6);
the fourth treatment tank (6) is communicated with the sewage disposal tank (7) through a pipeline, and the sewage disposal tank (7) can discharge sludge into the sludge storage tank (9) through a sludge pump (8);
the fourth treatment pool (6) is also connected with a concentration system, and the concentration system is connected with a recovery device (11) thereof.
2. The electroplating wastewater zero-emission treatment system as claimed in claim 1, wherein the concentration system comprises an ultrafiltration membrane, a nanofiltration membrane and a reverse osmosis membrane, the output end of the No. four treatment tank (6) is connected with the input end of the ultrafiltration membrane, and the output end of the reverse osmosis membrane is connected with the input end of the recovery device (11).
3. The electroplating wastewater zero-discharge treatment system as claimed in claim 2, characterized in that the recovery device (11) comprises a liquid container barrel, and the input end of the liquid container barrel is connected with the output end of the reverse osmosis membrane.
4. The electroplating wastewater zero-discharge treatment system as claimed in claim 2, wherein the aperture of the ultrafiltration membrane is in the range of 0.01-0.1 μm.
5. The electroplating wastewater zero-discharge treatment system as claimed in claim 2, wherein the ultrafiltration membrane is of a hollow fiber type.
6. The electroplating wastewater zero-discharge treatment system as claimed in claim 2, wherein the reverse osmosis membrane is made of aromatic polyamide, and the aperture of the reverse osmosis membrane is nano-scale.
7. The electroplating wastewater zero-discharge treatment system as claimed in claim 6, wherein the reverse osmosis membrane is an anti-pollution type bitter brine membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110910415.2A CN113716732A (en) | 2021-08-09 | 2021-08-09 | Electroplating effluent zero release processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110910415.2A CN113716732A (en) | 2021-08-09 | 2021-08-09 | Electroplating effluent zero release processing system |
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| Publication Number | Publication Date |
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| CN113716732A true CN113716732A (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110910415.2A Pending CN113716732A (en) | 2021-08-09 | 2021-08-09 | Electroplating effluent zero release processing system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674626A (en) * | 2012-04-28 | 2012-09-19 | 东莞市科达环保工程有限公司 | System and method for treatment and recovery of electronic electroplating wastewater |
| CN102718350A (en) * | 2012-07-06 | 2012-10-10 | 厦门溢盛环保科技有限公司 | Zero-emission reuse treatment method for electroplating cyanide-containing wastewater |
| CN202658043U (en) * | 2012-04-11 | 2013-01-09 | 南京超净纯水科技有限公司 | Electroplating wastewater treatment recycling system |
| CN202808534U (en) * | 2012-04-28 | 2013-03-20 | 东莞市科达环保工程有限公司 | Electronic electroplating wastewater recycling system |
| CN106242143A (en) * | 2016-08-22 | 2016-12-21 | 西安皓海嘉环保工程有限责任公司 | A kind of processing method of electroplating wastewater zero |
| CN106927642A (en) * | 2017-04-27 | 2017-07-07 | 东莞市科达环保工程有限公司 | A kind of electroplating wastewater advanced treatment process and system |
| CN207468386U (en) * | 2017-09-04 | 2018-06-08 | 东莞市珠江海咸水淡化研究所有限公司 | A kind of zero-discharge treatment system of mixed electroplating wastewater |
| CN110835199A (en) * | 2019-12-03 | 2020-02-25 | 苏州他山石环保科技有限公司 | Electroplating wastewater zero-discharge treatment system and treatment process thereof |
-
2021
- 2021-08-09 CN CN202110910415.2A patent/CN113716732A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202658043U (en) * | 2012-04-11 | 2013-01-09 | 南京超净纯水科技有限公司 | Electroplating wastewater treatment recycling system |
| CN102674626A (en) * | 2012-04-28 | 2012-09-19 | 东莞市科达环保工程有限公司 | System and method for treatment and recovery of electronic electroplating wastewater |
| CN202808534U (en) * | 2012-04-28 | 2013-03-20 | 东莞市科达环保工程有限公司 | Electronic electroplating wastewater recycling system |
| CN102718350A (en) * | 2012-07-06 | 2012-10-10 | 厦门溢盛环保科技有限公司 | Zero-emission reuse treatment method for electroplating cyanide-containing wastewater |
| CN106242143A (en) * | 2016-08-22 | 2016-12-21 | 西安皓海嘉环保工程有限责任公司 | A kind of processing method of electroplating wastewater zero |
| CN106927642A (en) * | 2017-04-27 | 2017-07-07 | 东莞市科达环保工程有限公司 | A kind of electroplating wastewater advanced treatment process and system |
| CN207468386U (en) * | 2017-09-04 | 2018-06-08 | 东莞市珠江海咸水淡化研究所有限公司 | A kind of zero-discharge treatment system of mixed electroplating wastewater |
| CN110835199A (en) * | 2019-12-03 | 2020-02-25 | 苏州他山石环保科技有限公司 | Electroplating wastewater zero-discharge treatment system and treatment process thereof |
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Application publication date: 20211130 |