CN202744400U - System for recycling electroplating wastewater and heavy metal ions - Google Patents
System for recycling electroplating wastewater and heavy metal ions Download PDFInfo
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- CN202744400U CN202744400U CN2012202918264U CN201220291826U CN202744400U CN 202744400 U CN202744400 U CN 202744400U CN 2012202918264 U CN2012202918264 U CN 2012202918264U CN 201220291826 U CN201220291826 U CN 201220291826U CN 202744400 U CN202744400 U CN 202744400U
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Abstract
The utility model discloses a system for recycling electroplating wastewater and heavy metal ions. The system comprises a raw water collecting groove, a sand filter, a carbon filter, a first secondary filter, a first-stage high-pressure pump, a first-stage reverse osmosis device, a middle water tank, a second secondary filter, a second-stage high-pressure pump, a recycling water tank and a concentrated water treating device which are communicated in sequence through a pipeline, wherein the concentrated water treating device comprises a concentrated water tank, a flocculating and settling tank, a sludge concentrating pool, a sludge pump and a filter press which are communicated in sequence through a pipeline. A settling tank or a tubular microfiltration membrane is used for recycling heavy metal-containing concentrated liquid on the basis of a process for recycling heavy metal waste water and metals with an integrated membrane technology, so that the water quality of recycled water and heavy metal ion content are raised greatly. The system can be directly placed beside an electroplating line for recycling, and can be sent into a waste water treatment station for treating.
Description
Technical field
The utility model belongs to technical field of sewage, relates to specifically a kind of heavy metal removal and waste water recycling treatment system.
Background technology
The composition of electroplating wastewater is very complicated, and except cyanide wastewater and acidic and alkaline waste water, heavy metal wastewater thereby is the great waste water classification of Electroplating Operations potential hazard.The electroplating wastewater discharging must strictly be controlled, and deal carefully with and dispose, otherwise the consequence that causes is more serious.The heavy metal of prior art electroplating wastewater reclaims and waste water reuse system, mainly adopts ion exchange method, full membrane processing method, and the comprehensive wastewater chemistry sinks to the bottom the method that blooming is processed.Although these several systems can both realize the recovery of reuse of wastewater and heavy metal, drawback is respectively arranged, all ubiquity waste water recycling water quality not high and reclaim after the problems such as heavy metal ion content is low.
The utility model content
The deficiency that the utility model exists in order to overcome prior art provides a kind of electroplating waste-water reutilizing and heavy metal removal treatment system, and it has solved the not high and rear low problem of heavy metal ion content of recovery of waste water recycling water quality.
The utility model is achieved through the following technical solutions: a kind of electroplating waste-water reutilizing and heavy metal removal treatment system, comprise the raw water collection groove, sand-bed filter, char filter, the first secondary filter, one-level high-pressure pump, first-stage reverse osmosis device, intermediate water tank, the second secondary filter and the secondary high-pressure pump that are communicated with successively by pipeline, also comprise reuse water tank and dense water treatment device, dense water treatment device comprises dense water tank, flocculation sedimentation tank, sludge thickener, sludge pump and the pressure filter that is communicated with successively by pipeline.
The first embodiment is to be connected with second level reverse osmosis apparatus between secondary high-pressure pump and the reuse water tank, and second level reverse osmosis apparatus also is communicated with the raw water collection groove, and the first-stage reverse osmosis device is communicated with dense water treatment device.
The second embodiment is to be connected with film condensing device between secondary high-pressure pump and the reuse water tank, and film condensing device is communicated with dense water treatment device, and the reuse water tank also is communicated with the first-stage reverse osmosis device.
Be provided with the Scale inhibitors chemicals dosing plant between char filter and the first secondary filter, the Scale inhibitors chemicals dosing plant can reduce the dirty stifled risk of reverse osmosis membrane.
Be provided with the pH regulator device at flocculation sedimentation tank, help solidifying device and flocculation agent chemicals dosing plant.The pH regulator device adopts sodium hydroxide or yellow soda ash to regulate pH, helps solidifying device to add PAC and adds and help oxyhydroxide to form large solids precipitation, and the flocculation agent chemicals dosing plant adds PAM and adds and help oxyhydroxide to form larger alumen ustum precipitation.
Between raw water collection groove and sand-bed filter, be provided with the first lift pump, between intermediate water tank and the second secondary filter, be provided with the second lift pump, between dense water tank and flocculation sedimentation tank, be provided with the 3rd lift pump.
The beneficial effects of the utility model are: the utility model is processed on the basis of heavy metal wastewater thereby reuse and metals recovery processes in full embrane method, adopt again settling tank or tube type filter membrance to reclaim containing the heavy metal dope, greatly improved water quality and the heavy metal ion content of reuse water.The utility model can be placed directly in the plating line next door and reclaim, and also can enter waste water processing station and process.The plating line heavy metal wastewater thereby enters the raw water collection groove, being transported to sand-bed filter by transferpump removes the suspended substance in the waste water, the sand-bed filter water outlet enters char filter, organism in the waste water is removed, after adding Scale inhibitors, through entering the first-stage reverse osmosis device after the essence filtration filter waste water is carried out the desalination separation after the char filter water outlet.
Description of drawings
Fig. 1 is the utility model electroplating waste-water reutilizing and heavy metal removal treatment system structural representation;
Fig. 2 is the structural representation of the utility model electroplating waste-water reutilizing and heavy metal removal treatment system embodiment 2;
Among the figure: 1-raw water collection groove; The 2-sand-bed filter; The 3-char filter; 4-the first secondary filter; 5-one-level high-pressure pump; 6-first-stage reverse osmosis device; The 7-intermediate water tank; 8-the second secondary filter; 9-secondary high-pressure pump; 10-reuse water tank; The dense water tank of 11-; The 12-flocculation sedimentation tank; The 13-sludge thickener; The 14-pressure filter; The 15-second level reverse osmosis apparatus; The 16-film condensing device; 17-Scale inhibitors chemicals dosing plant.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
Embodiment 1: as shown in Figure 1, a kind of electroplating waste-water reutilizing and heavy metal removal treatment system, comprise the raw water collection groove 1, sand-bed filter 2, char filter 3, the first secondary filter 4, one-level high-pressure pump 5, first-stage reverse osmosis device 6, intermediate water tank 7, the second secondary filter 8 and the secondary high-pressure pump 9 that are communicated with successively by pipeline, also comprise reuse water tank 10 and dense water treatment device, dense water treatment device comprises dense water tank 11, flocculation sedimentation tank 12, sludge thickener 13, sludge pump and the pressure filter 14 that is communicated with successively by pipeline.Be connected with second level reverse osmosis apparatus 15 between secondary high-pressure pump 9 and the reuse water tank 10, second level reverse osmosis apparatus 15 also is communicated with raw water collection groove 1, and first-stage reverse osmosis device 6 is communicated with dense water treatment device.Between char filter 3 and the first secondary filter 4, be provided with Scale inhibitors chemicals dosing plant 17, be provided with the pH regulator device at flocculation sedimentation tank 12, help solidifying device and flocculation agent chemicals dosing plant.Between raw water collection groove 1 and sand-bed filter 2, be provided with the first lift pump, between intermediate water tank 7 and the second secondary filter 8, be provided with the second lift pump, between dense water tank 11 and flocculation sedimentation tank 12, be provided with the 3rd lift pump.
Embodiment 1 adopts and filters as at first adopting reverse-osmosis treated after the pre-treatment one time, the product water of a reverse osmosis is again through the secondary counter osmotic treated, the dense water of a reverse osmosis reclaims heavy metal technique in concentrated sodium hydroxide and the yellow soda ash pH regulator precipitation of also can adopting of former circulation, the dense water of secondary counter infiltration generation is got back to the water inlet of a reverse osmosis for improving the rate of recovery, secondary counter infiltration reuse water need be finely tuned to get back to behind the pH and respectively be used a little, can access the reuse water of high reuse water quality.
Product water among the embodiment 1 carries out the two-pass reverse osmosis processing after entering intermediate water tank 7, the dense water that contains the heavy metal dope enters dense water tank 11, be transported to the pH regulator device, make heavy metal ion form precipitation of hydroxide by adding alkali or yellow soda ash adjusting pH value, use again coagulant aids PAC and flocculation agent PAM, make heavy metal hydroxide form larger alumen ustum precipitation, entering flocculation sedimentation tank 12 precipitates, the precipitation sludge containing heavy metal, enter sludge thickener 13, be transported to pressure filter 14 by sludge pump again, carry out the heavy metal ion such as dewatering and recovery copper, nickel.And one-level membrane sepn product water enters intermediate water tank 7, be transported in the first secondary filter 4 by lift pump again, have again high-pressure pump to be transported to secondary separation device, water is carried out deep purifying after, produce water and enter reuse water tank 10, enter former tank by dense water behind little adjust pH and carry out again Treatment for Reuse.
Embodiment 2: as shown in Figure 2, a kind of electroplating waste-water reutilizing and heavy metal removal treatment system, comprise the raw water collection groove 1, sand-bed filter 2, char filter 3, the first secondary filter 4, one-level high-pressure pump 5, first-stage reverse osmosis device 6, intermediate water tank 7, the second secondary filter 8 and the secondary high-pressure pump 9 that are communicated with successively by pipeline, also comprise reuse water tank 10 and dense water treatment device, dense water treatment device comprises dense water tank 11, flocculation sedimentation tank 12, sludge thickener 13, sludge pump and the pressure filter 14 that is communicated with successively by pipeline.Be connected with film condensing device 16 between secondary high-pressure pump 9 and the reuse water tank 10, film condensing device 16 is communicated with dense water treatment device, and reuse water tank 10 also is communicated with first-stage reverse osmosis device 6.Between char filter 3 and the first secondary filter 4, be provided with Scale inhibitors chemicals dosing plant 17, be provided with the pH regulator device at flocculation sedimentation tank 12, help solidifying device and flocculation agent chemicals dosing plant.
The reverse osmosis concentrated water of embodiment 2 can be as the direct Separation and Recovery of water inlet of secondary counter infiltration, the product hydration of the product water of a reverse osmosis and secondary counter infiltration also is transported to each reuse point reuse to reuse water tank 10 together, carrying out the individual curing heavy metal to follow-up flocculation sedimentation tank 12 after the dense water section of secondary counter infiltration refluxes reclaims, when quality of reused water is had relatively high expectations, can adopt follow-up reverse osmosis or ion-exchange device for deep cleaning.
Product water among the embodiment 2 enters 10 reuses of reuse water tank, after dense water enters 16 processing of intermediate water tank 7 process film condensing devices, produce water and enter reuse water tank 10, carry out reuse through behind little adjust pH, for reuse water quality higher can carry out again reuse after reverse-osmosis treated or the ion exchange treatment.Contain the dense water of heavy metal dope and enter dense water tank 11, be transported to the pH regulator groove by conveying, make heavy metal ion form precipitation of hydroxide by adding alkali or yellow soda ash adjusting pH value, coagulant aids PAC and flocculation agent PAM make heavy metal hydroxide form larger alumen ustum precipitation again, enter flocculation sedimentation tank 12 and precipitate, the precipitation sludge containing heavy metal, enter sludge thickener 13, be transported to pressure filter 14 by sludge pump again, the heavy metal ion such as the copper that obtains high-recovery of dewatering, nickel.
Should be noted that at last; above content is only in order to illustrate the technical solution of the utility model; but not to the restriction of the utility model protection domain; the simple modification that those of ordinary skill in the art carries out the technical solution of the utility model or be equal to replacement does not all break away from essence and the scope of technical solutions of the utility model.
Claims (6)
1. an electroplating waste-water reutilizing and heavy metal removal treatment system, it is characterized in that: described electroplating waste-water reutilizing and heavy metal removal treatment system comprise the raw water collection groove that is communicated with successively by pipeline, sand-bed filter, char filter, the first secondary filter, the one-level high-pressure pump, the first-stage reverse osmosis device, intermediate water tank, the second secondary filter and secondary high-pressure pump, described electroplating waste-water reutilizing and heavy metal removal treatment system also comprise reuse water tank and dense water treatment device, and described dense water treatment device comprises the dense water tank that is communicated with successively by pipeline, flocculation sedimentation tank, sludge thickener, sludge pump and pressure filter.
2. electroplating waste-water reutilizing according to claim 1 and heavy metal removal treatment system, it is characterized in that: be connected with second level reverse osmosis apparatus between described secondary high-pressure pump and the described reuse water tank, described second level reverse osmosis apparatus also is communicated with described raw water collection groove, and described first-stage reverse osmosis device is communicated with described dense water treatment device.
3. electroplating waste-water reutilizing according to claim 1 and heavy metal removal treatment system, it is characterized in that: be connected with film condensing device between described secondary high-pressure pump and the described reuse water tank, described film condensing device is communicated with described dense water treatment device, and described reuse water tank also is communicated with the first-stage reverse osmosis device.
4. according to claim 1,2 or 3 described electroplating waste-water reutilizings and heavy metal removal treatment system, it is characterized in that: between described char filter and the first secondary filter, be provided with the Scale inhibitors chemicals dosing plant.
5. according to claim 1,2 or 3 described electroplating waste-water reutilizings and heavy metal removal treatment system, it is characterized in that: be provided with the pH regulator device at described flocculation sedimentation tank, help solidifying device and flocculation agent chemicals dosing plant.
6. electroplating waste-water reutilizing according to claim 4 and heavy metal removal treatment system, it is characterized in that: between described raw water collection groove and sand-bed filter, be provided with the first lift pump, between described intermediate water tank and the second secondary filter, be provided with the second lift pump, between described dense water tank and flocculation sedimentation tank, be provided with the 3rd lift pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012202918264U CN202744400U (en) | 2012-06-20 | 2012-06-20 | System for recycling electroplating wastewater and heavy metal ions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012202918264U CN202744400U (en) | 2012-06-20 | 2012-06-20 | System for recycling electroplating wastewater and heavy metal ions |
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| CN202744400U true CN202744400U (en) | 2013-02-20 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739053A (en) * | 2014-01-26 | 2014-04-23 | 河北工程大学 | Treating agent for electroplating waste water |
| CN108218122A (en) * | 2018-01-16 | 2018-06-29 | 张家港市佰坤物资有限公司 | A kind of PCB production lines Sewage treatment Copper treatment technique |
| CN109574318A (en) * | 2019-01-04 | 2019-04-05 | 舒城联科环境科技有限公司 | A kind of processing of nickel-containing waste water and recovery process |
| CN110697946A (en) * | 2019-11-22 | 2020-01-17 | 湖南家源食品饮料有限公司 | Barreled water processing system |
| CN110921891A (en) * | 2019-11-23 | 2020-03-27 | 湖南家源食品饮料有限公司 | Processing method of barreled water |
| CN114162949A (en) * | 2021-11-19 | 2022-03-11 | 合肥恒力装备有限公司 | Industrial wastewater heavy metal ion capture agent, preparation method and wastewater treatment method |
| CN114853204A (en) * | 2022-04-11 | 2022-08-05 | 江苏道同环境科技有限公司 | Metal silicide BOE etching wastewater zero-discharge treatment device and method |
-
2012
- 2012-06-20 CN CN2012202918264U patent/CN202744400U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739053A (en) * | 2014-01-26 | 2014-04-23 | 河北工程大学 | Treating agent for electroplating waste water |
| CN103739053B (en) * | 2014-01-26 | 2015-08-12 | 河北工程大学 | A kind of compound for treatment of electroplating wastes |
| CN108218122A (en) * | 2018-01-16 | 2018-06-29 | 张家港市佰坤物资有限公司 | A kind of PCB production lines Sewage treatment Copper treatment technique |
| CN109574318A (en) * | 2019-01-04 | 2019-04-05 | 舒城联科环境科技有限公司 | A kind of processing of nickel-containing waste water and recovery process |
| CN110697946A (en) * | 2019-11-22 | 2020-01-17 | 湖南家源食品饮料有限公司 | Barreled water processing system |
| CN110921891A (en) * | 2019-11-23 | 2020-03-27 | 湖南家源食品饮料有限公司 | Processing method of barreled water |
| CN114162949A (en) * | 2021-11-19 | 2022-03-11 | 合肥恒力装备有限公司 | Industrial wastewater heavy metal ion capture agent, preparation method and wastewater treatment method |
| CN114853204A (en) * | 2022-04-11 | 2022-08-05 | 江苏道同环境科技有限公司 | Metal silicide BOE etching wastewater zero-discharge treatment device and method |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
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| CX01 | Expiry of patent term |