CN204079654U - A kind of electroplating waste water treatment system containing many kinds of metal ions - Google Patents
A kind of electroplating waste water treatment system containing many kinds of metal ions Download PDFInfo
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- CN204079654U CN204079654U CN201420550554.4U CN201420550554U CN204079654U CN 204079654 U CN204079654 U CN 204079654U CN 201420550554 U CN201420550554 U CN 201420550554U CN 204079654 U CN204079654 U CN 204079654U
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- waste water
- submerged ultrafiltration
- metal ions
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Abstract
The utility model provides a kind of electroplating waste water treatment system containing many kinds of metal ions, comprise wastewater collection pond, the water outlet in wastewater collection pond is connected to sand filter, pH regulator pond and submerged ultrafiltration system successively by pipeline, and pipeline between wastewater collection pond and sand filter, between sand filter and pH regulator pond, between pH regulator pond and submerged ultrafiltration system is respectively arranged with lift pump; The concentrated solution outlet of submerged ultrafiltration system is connected with acidolysis pond, the water outlet in acidolysis pond is connected with heavy metal ion concentrated solution water collecting basin, the peritoneal effluent outlet of submerged ultrafiltration system is connected with reverse osmosis system by pipeline, and reverse osmosis system is connected with clear water reuse tank; Pond is respectively arranged with chemicals dosing plant for wastewater collection pond, pH regulator pond, submerged ultrafiltration system, acidolysis.The utility model is applicable to the electroplating wastewater containing various heavy, effectively can remove the how middle heavy metal ion in electroplating wastewater, realizes the reuse of water and the recovery of heavy metal ion simultaneously.
Description
Technical field
The utility model relates to a kind of electroplating waste water treatment system, specifically a kind of electroplating waste water treatment system containing many kinds of metal ions.
Background technology
Plating is exactly utilize electrolysis principle at metal or other plated surface last layer metal or alloy, to realize the raising of material property.
Electroplating wastewater is the waste water that electroplating facility is discharged.Electroplating industry is highly versatile industrially, use wide, nearly all industrial sector Dou You Electroplate Factory (workshop), containing plurality of heavy metal pollutents such as chromium, copper, zinc, cadmium, nickel in electroplating wastewater, what wherein have also belongs to carcinogenic and clastogenic highly toxic substance, not only cause serious harm to environmental ecology, harm humans is healthy more.Therefore, electroplating wastewater is effectively administered and recycling treatment to environment protection and human health very important.
In recent years, a lot of to high-concentration electroplating wastewater Study on processing method both at home and abroad, technique is different, mainly contains chemical method, electrolytic process, ion exchange method, biological process, embrane method etc.Wherein, chemical precipitation method and ion exchange method can also reclaim heavy metal ion while heavy-metal ion removal, but, the shortcoming such as they also exist cost simultaneously and energy consumption is high, equipment is complicated, the operating time is long and selectivity is low; Electrolytic process can consume greatly, and cost is high, and the sediment of generation also needs consider process and recycle; Biochemical method efficiency is low, and process water outlet contains more microorganism and can not direct reuse, need evolve further; The main advantage of membrane technique method process electroplating wastewater is efficient, energy-conservation, non-secondary pollution, but without the ability of decomposing pollutant, must support the use with additive method.
For the electroplating wastewater containing contents of many kinds of heavy metal ion, how continuable recycling electroplating wastewater and wherein useful heavy metal is the problem needing solution at present badly.
Patent 201660458U discloses a kind of concentration systems of the electroplating wastewater containing heavy metal ion, electroplating wastewater containing heavy metal ion concentrates through well heater and vaporizer, to the water quality requirement that can reach electroplating rinse water after being carried out condensation by the water vapour evaporated, directly can enter workshop Receiving bin for rinsing, and the heavy metal ion be concentrated can reach the concentration requirement of metallizing equally, workshop plating tank directly can be got back to for plated metal.Although the method achieve recycling of electroplating wastewater and heavy metal ion, the method has following shortcoming: energy consumption is large, and cost is high, selectivity is low.
Summary of the invention
Technical assignment of the present utility model is for the deficiencies in the prior art, provides a kind of electroplating waste water treatment system containing many kinds of metal ions.
The utility model solves the technical scheme that its technical problem adopts:
A kind of electroplating waste water treatment system containing many kinds of metal ions, comprise wastewater collection pond, sand filter, pH regulator pond and submerged ultrafiltration system, the water outlet in described wastewater collection pond is connected to sand filter, pH regulator pond and submerged ultrafiltration system successively by pipeline; Described submerged ultrafiltration internal system is provided with hyperfiltration membrane assembly, the concentrated solution outlet of submerged ultrafiltration system is connected with acidolysis pond by pipeline, inside, described acidolysis pond is provided with micro-filtration membrane module, and the water outlet in acidolysis pond is connected with heavy metal ion concentrated solution water collecting basin; The peritoneal effluent outlet of described submerged ultrafiltration system is connected with reverse osmosis system by pipeline, and the water outlet of described reverse osmosis system is connected with clear water reuse tank; Pond is respectively arranged with chemicals dosing plant for described wastewater collection pond, pH regulator pond, submerged ultrafiltration system, acidolysis.
Chemicals dosing plant on described wastewater collection pond comprises sour adding set and sequestrant adding set.
Chemicals dosing plant on described pH regulator pond is alkali adding set.
Chemicals dosing plant in described submerged ultrafiltration system is high polymer adding set.
Chemicals dosing plant on described acidolysis pond is hydrochloric acid adding set.
At least one place pipeline between described wastewater collection pond and sand filter, between sand filter and pH regulator pond, between pH regulator pond and submerged ultrafiltration system is provided with lift pump.
Described submerged ultrafiltration internal system is also provided with aeration element, and the aeration outlet of described aeration unit faces the surface of hyperfiltration membrane assembly.
Hyperfiltration membrane assembly employing aperture in described submerged ultrafiltration system is the hollow-fibre membrane of 0.003 pm ~ 0.1 pm.
Described sand filter comprises sand filtration part and charcoal absorption part.
Described reverse osmosis system comprises cartridge filter, reverse osmosis booster pump, reverse osmosis high-pressure pump, reverse osmosis produced pond, reverse osmosis concentrated pond and reverse-osmosis circulating pump.
Compared with prior art, the beneficial effect produced is a kind of electroplating waste water treatment system containing many kinds of metal ions of the present utility model:
1) chemical method, ultrafiltrationmembrane process, reverse osmosis method combine by the utility model, be applicable to the electroplating wastewater containing various heavy, effectively can remove the how middle heavy metal ion in electroplating wastewater, stability is high, wide accommodation, there is the very high rate of recovery simultaneously, achieve the reuse of water and the recovery of heavy metal ion, reach object that is cost-saving, protection of the environment;
2) on the other hand, by submerged ultrafiltration Operation system setting in reverse osmosis system front end, substantially prolongs the life-span of reverse osmosis system; The inwall in pH regulator pond arranges pH value detection control instrument, and realize automatically regulating and dosing, level of automation is high.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
In figure, 1, wastewater collection pond, 11, sour adding set, 12, sequestrant adding set, 2, sand filter, 3, pH regulator pond, 31, alkali adding set, 4, submerged ultrafiltration system, 41, high polymer adding set, 5, reverse osmosis system, 6, clear water reuse tank, 7, acidolysis pond, 71, hydrochloric acid adding set, 8, heavy metal ion concentrated solution water collecting basin, 9, lift pump.
Embodiment
Below in conjunction with accompanying drawing 1, a kind of electroplating waste water treatment system containing many kinds of metal ions of the present utility model is described in detail below.
As shown in Figure 1, a kind of electroplating waste water treatment system containing many kinds of metal ions of the present utility model, comprise wastewater collection pond 1, described wastewater collection pond 1 is connected with sour adding set 11 and sequestrant adding set 12 respectively by volume pump, be loaded with hydrochloric acid in this sour adding set 11, in this sequestrant adding set 12, be loaded with methyl xanthogenate; The water outlet in wastewater collection pond 1 is connected to the water-in of sand filter 2 by lift pump 9, the water outlet of sand filter 2 is connected to the water-in in pH regulator pond 3 by lift pump 9; Described pH regulator pond 3 is connected with alkali adding set 31 by volume pump, in this alkali adding set 31, is loaded with sodium hydroxide, the inwall in pH regulator pond 3 is provided with pH value detection control instrument; The water outlet in pH regulator pond 3 is connected to the water-in of submerged ultrafiltration system 4 by lift pump 9; Described submerged ultrafiltration is connected with high polymer adding set 41 by volume pump, ethylenediamine tetraacetic acid (EDTA) is loaded with in this high polymer adding set 41, submerged ultrafiltration system 4 inside is also provided with aeration element, ultra-filtration membrane in submerged ultrafiltration system 4 adopts hollow-fibre membrane, and the outlet of above-mentioned aeration element is positioned at hollow-fibre membrane surface; The peritoneal effluent outlet of submerged ultrafiltration system 4 is connected to the water-in of reverse osmosis system 5 by pipeline, the water outlet of reverse osmosis system 5 is connected with clear water reuse tank 6; The concentrated solution outlet of submerged ultrafiltration system 4 is connected to the water-in in acidolysis pond 7 by pipeline, hydrochloric acid adding set 71 is connected with by volume pump above described acidolysis pond 7, inside, acidolysis pond 7 is provided with micro-filtration membrane module, and the water outlet in acidolysis pond 7 is connected with heavy metal ion concentrated solution water collecting basin 8;
Described sand filter 2 comprises sand filtration part and charcoal absorption part;
Described reverse osmosis system 5 comprises cartridge filter, reverse osmosis booster pump, reverse osmosis high-pressure pump, reverse osmosis produced pond, reverse osmosis concentrated pond and reverse-osmosis circulating pump.
The electroplating wastewater of setting containing 20 ppm copper, tensio-active agent and sequestrant processes, specific works process of the present utility model:
1) electroplating wastewater is flowed into wastewater collection pond 1, in wastewater collection pond 1, add the pH to 3.0 that hydrochloric acid regulates waste water, add 220 ppm methyl xanthogenate subsequently and mix 4 minutes;
2) after 4 minutes, the waste water in wastewater collection pond 1 flows into sand filter 2 through lift pump 9, after sand filter 2 crosses the macrobead pollution filtered in waste water;
3) with after enter pH regulator pond 3 through lift pump 9, to pH regulator pond 3 inside add sodium hydroxide, make the pH of inside, pH regulator pond 3 be 9.0;
4) waste water in alkalescence is flowed into submerged ultrafiltration system 4 through lift pump 9, ethylenediamine tetraacetic acid (EDTA) is added to submerged ultrafiltration system 4, form the complex compound of ethylenediamine tetraacetic acid (EDTA), after the tubular fibre membrane filtration of submerged ultrafiltration system 4, clear water flows into reverse osmosis system 5 by peritoneal effluent outlet, and condensed water flows into acidolysis pond 7 by concentrated solution outlet;
5) reverse osmosis system 5 appears the cupric ion in waste water, and its concentration is 0.8 mg/dm
3, flow in clear water reuse tank 6 subsequently and use as undrinkable water secondary;
6) in acidolysis pond 7, add hydrochloric acid, contact break is carried out to the concentrated solution flowed in step 4), and under the filtration of the inner micro-filtration membrane module in acidolysis pond 7, in peritoneal effluent, concentration is 10 g/dm
3cupric ion, flows into heavy metal ion concentrated solution water collecting basin 8 subsequently directly to use as plating solution.
Electroplating wastewater after process meets plating piece cleaning product line reuse standard, and heavy metal ion concentrated solution meets electroplating assembly line reuse standard, and non-secondary pollution produces.
Claims (10)
1. the electroplating waste water treatment system containing many kinds of metal ions, comprise wastewater collection pond, sand filter, pH regulator pond and submerged ultrafiltration system, it is characterized in that, the water outlet in described wastewater collection pond is connected to sand filter, pH regulator pond and submerged ultrafiltration system successively by pipeline; Described submerged ultrafiltration internal system is provided with hyperfiltration membrane assembly, the concentrated solution outlet of submerged ultrafiltration system is connected with acidolysis pond by pipeline, inside, described acidolysis pond is provided with micro-filtration membrane module, and the water outlet in acidolysis pond is connected with heavy metal ion concentrated solution water collecting basin; The peritoneal effluent outlet of described submerged ultrafiltration system is connected with reverse osmosis system by pipeline, and the water outlet of described reverse osmosis system is connected with clear water reuse tank; Pond is respectively arranged with chemicals dosing plant for described wastewater collection pond, pH regulator pond, submerged ultrafiltration system, acidolysis.
2. a kind of electroplating waste water treatment system containing many kinds of metal ions according to claim 1, it is characterized in that, the chemicals dosing plant on described wastewater collection pond comprises sour adding set and sequestrant adding set.
3. a kind of electroplating waste water treatment system containing many kinds of metal ions according to claim 2, it is characterized in that, the chemicals dosing plant on described pH regulator pond is alkali adding set.
4. a kind of electroplating waste water treatment system containing many kinds of metal ions according to claim 3, it is characterized in that, the chemicals dosing plant in described submerged ultrafiltration system is high polymer adding set.
5. a kind of electroplating waste water treatment system containing many kinds of metal ions according to claim 4, it is characterized in that, the chemicals dosing plant on described acidolysis pond is hydrochloric acid adding set.
6. a kind of electroplating waste water treatment system containing many kinds of metal ions according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, at least one place pipeline between described wastewater collection pond and sand filter, between sand filter and pH regulator pond, between pH regulator pond and submerged ultrafiltration system is provided with lift pump.
7. a kind of electroplating waste water treatment system containing many kinds of metal ions according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described submerged ultrafiltration internal system is also provided with aeration element, and the aeration outlet of described aeration unit faces the surface of hyperfiltration membrane assembly.
8. a kind of electroplating waste water treatment system containing many kinds of metal ions according to claim 7, is characterized in that, the hyperfiltration membrane assembly employing aperture in described submerged ultrafiltration system is the hollow-fibre membrane of 0.003 pm ~ 0.1 pm.
9. a kind of electroplating waste water treatment system containing many kinds of metal ions according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described sand filter comprises sand filtration part and charcoal absorption part.
10. a kind of electroplating waste water treatment system containing many kinds of metal ions according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described reverse osmosis system comprises cartridge filter, reverse osmosis booster pump, reverse osmosis high-pressure pump, reverse osmosis produced pond, reverse osmosis concentrated pond and reverse-osmosis circulating pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550554.4U CN204079654U (en) | 2014-09-24 | 2014-09-24 | A kind of electroplating waste water treatment system containing many kinds of metal ions |
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| CN201420550554.4U CN204079654U (en) | 2014-09-24 | 2014-09-24 | A kind of electroplating waste water treatment system containing many kinds of metal ions |
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| CN204079654U true CN204079654U (en) | 2015-01-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128939A (en) * | 2018-02-24 | 2018-06-08 | 江西省科学院能源研究所 | A kind of method and device with Integrated Membrane Technology processing rare-earth smelting high ammonia-nitrogen wastewater |
| CN108640354A (en) * | 2018-06-01 | 2018-10-12 | 华北水利水电大学 | A kind of separation of heavy metal ions film device |
| CN113264629A (en) * | 2021-06-16 | 2021-08-17 | 四川省创飞格环保技术有限公司 | Electroplating wastewater full-membrane process and device |
-
2014
- 2014-09-24 CN CN201420550554.4U patent/CN204079654U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128939A (en) * | 2018-02-24 | 2018-06-08 | 江西省科学院能源研究所 | A kind of method and device with Integrated Membrane Technology processing rare-earth smelting high ammonia-nitrogen wastewater |
| CN108640354A (en) * | 2018-06-01 | 2018-10-12 | 华北水利水电大学 | A kind of separation of heavy metal ions film device |
| CN113264629A (en) * | 2021-06-16 | 2021-08-17 | 四川省创飞格环保技术有限公司 | Electroplating wastewater full-membrane process and device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20180924 |