CN203440201U - Treatment device for electroplating wastewater and heavy metal wastewater - Google Patents
Treatment device for electroplating wastewater and heavy metal wastewater Download PDFInfo
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- CN203440201U CN203440201U CN201320468257.0U CN201320468257U CN203440201U CN 203440201 U CN203440201 U CN 203440201U CN 201320468257 U CN201320468257 U CN 201320468257U CN 203440201 U CN203440201 U CN 203440201U
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Abstract
The utility model discloses a treatment device for electroplating wastewater and heavy metal wastewater. The treatment device is characterized in that a main adjusting tank, a pH adjusting tank, an oxidation-reduction reaction tank, an integrated air floatation device, a lime reaction tank, a pH main adjusting tank, a hydrolytic acidification treatment tank, an activated sludge tank, a biochemical sedimentation tank, a sludge thickening tank and a pressure filter are sequentially connected through pipelines in the treatment direction. Through the adoption of the structure, the treatment device finally ensures that treated water discharged to the nature completely reaches the standard, simultaneously separates mud from wastewater, and achieves classified discharging.
Description
Technical field
The utility model belongs to environmental protection equipment technical field, relates in particular to the treatment unit of a kind of electroplating wastewater and heavy metal wastewater thereby.
Background technology
Electroplating wastewater is mainly derived from electroplating industry, yet electroplate, is one of the world today's three large contaminated industries, and the high water usage amount in plating production process and the heavy metal giving off have all greatly restricted the Sustainable development of electroplating industry to the pollution of water surrounding.The composition of this type of waste water 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 industry potential hazard.And other trade effluents that contain heavy metal ion are mainly derived from smelting and the part chemical enterprise of mechanical workout, mining industry, iron and steel and non-ferrous metal, this type of waste water is substantially similar to the water quality characteristic of electroplating wastewater, generally can be divided into chromate waste water, nickel-containing waste water, cadmium wastewater, copper-containing wastewater, zinc-containing water etc.Such waste water belongs to difficult for biological degradation, has again the waste water of very large toxicity.
Above-mentioned electroplating wastewater and heavy metal wastewater thereby need pass through a series of processing for this reason, can be discharged in the Nature, otherwise be directly discharged into meeting polluted-water in nature water body, cause water hypoxia and affect the existence of fish and other hydrocoles, suspended substance in sewage easily under anaerobic decomposes and produces foul smell simultaneously, worsens water quality.
To being discharged into general employing of processing of nature organic sewage before, to the organism in sewage, use microbial strains to degrade, but this traditional sewage treatmentmethod exist the incomplete phenomenon of processing.
Utility model content
Technical problem to be solved in the utility model is to provide the treatment unit of a kind of electroplating wastewater and heavy metal wastewater thereby, has the advantages that harmless treatment effect is good.
For solving the problems of the technologies described above, the technical solution of the utility model is: the treatment unit of a kind of electroplating wastewater and heavy metal wastewater thereby, its innovative point is, along process direction successively pipeline be connected with total equalizing tank, pH adjustment tank, redox reaction groove, one air-floating apparatus, lime reaction pond, PH and always adjust pond, acidication treating pond, activated sludge tank, biochemical sedimentation basin, sludge thickener and pressure filter.
Preferably, between described one air-floating apparatus and lime reaction pond, be provided with intermediate pool.
Preferably, described one air-floating apparatus is circumscribed with the auxiliary material interpolation volume pump being connected with automatic control system.
Preferably, described lime reaction pond and PH always adjust and between pond, are provided with settling tank.
Preferably, described settling tank and PH always adjust and between pond, are provided with No. 1, total equalizing tank.
Preferably, described pH adjustment tank is circumscribed with the neutralization reaction volume pump being connected with automatic control system.
Preferably, described lime reaction pond be circumscribed be connected with automatic control system in and material volume pump.
Preferably, described redox reaction groove is circumscribed with the redox metering pump being connected with automatic control system.
Preferably, described PH always adjusts pond and is circumscribed with the sulfuric acid volume pump being connected with automatic control system.
The utility model has the advantage of: by adopting the electroplating wastewater of said structure and the treatment unit of heavy metal wastewater thereby, along processing direction, be disposed with total equalizing tank, pH adjustment tank, redox reaction groove, one air-floating apparatus, lime reaction pond, PH and always adjust pond, acidication treating pond, activated sludge tank, biochemical sedimentation basin, sludge thickener and pressure filter, finally make to be discharged in the Nature treated water completely up to standard, mud in sewage is separated simultaneously, accomplished classified emission.
Between one air-floating apparatus and lime reaction pond, be provided with intermediate pool, thereby when mass disposal, play the effect of transfer transition.At lime reaction pond and PH, always adjust and between pond, be provided with settling tank, by precipitation, at the bottom of making part in sewage you what be deposited on pond, reduce treatment capacity and the intractability of later process, this settling tank is separately established pipeline communication road sludge thickener simultaneously, thereby focuses on the mud of separating in sewage.
At settling tank and PH, always adjust between pond and be provided with No. 1, total equalizing tank, utilize total equalizing tank No. 1 the water quality of sewage to be carried out to homogenizing, improve the dissolved oxygen in sewage and solve use all the year round after the problem of pool bottom sludge alluvial.
The partial reaction device of sewage treatment process need to be by adding supplementary additive therein, to play the effect of disposing of sewage, for the supplementary additive of realizing adding is accurately thrown in real time, on relevant device, be provided with the corresponding measurement pump being connected with automatic control system, ensure the accurate control of reaction.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Diagram is the structural representation of the treatment unit of a kind of electroplating wastewater of the utility model and heavy metal wastewater thereby.
In figure: for neutralization reaction, pump, 3-one air-floating apparatus are measured in volume pump, 22-redox reaction groove, 23-redox, 31-auxiliary material adds in volume pump, 4-intermediate pool, 5-lime reaction pond, 51-and material volume pump, 6-settling tank, No. 1, the total equalizing tank of 7-, 8-PH always adjust pond, 81 sulfuric acid volume pumps, 9-acidication treating pond, 10-activated sludge tank, 11-biochemical sedimentation basin, 12-sludge thickener, 13-pressure filter for the total equalizing tank of 1-, 20-pH adjustment tank, 21-.
Embodiment
The treatment unit of electroplating wastewater of the present utility model and heavy metal wastewater thereby, along processing direction, pipeline is connected with total equalizing tank 1, pH adjustment tank 20, redox reaction groove 22, one air-floating apparatus 3, intermediate pool 4, lime reaction pond 5, settling tank 6 successively, always equalizing tank No. 17, PH always adjust pond 8, acidication treating pond 9, activated sludge tank 10, biochemical sedimentation basin 11, sludge thickener 12 and pressure filter 13.
Total equalizing tank 1 is for storing pending sewage, and sewage is carried out to homogeneous.
3 pairs of sewage of one air-floating apparatus carry out removing dross processing, by the external auxiliary material being connected with automatic control system of one air-floating apparatus, add volume pump 31, as flocculation agent and coagulating agent, grease in sewage etc. is separated, and deliver to sewage concentration tank, be convenient to focus on.
5 pairs, lime reaction pond sewage is removed suspended substance and the negatively charged ion in sewage, by lime reaction pond external be connected with automatic control system in and material volume pump 51, realize the accurate input of milk of lime, polyacrylamide.Can also remove salinity in sewage in addition, reduce the impact load of sewage to facility.
At lime reaction pond 5 and PH, always adjust 8, pond and be provided with settling tank 6, by precipitation, at the bottom of making part in sewage you what be deposited on pond, reduce treatment capacity and the intractability of later process, this settling tank is separately established pipeline communication road sludge thickener simultaneously, thereby focuses on the mud of separating in sewage.
At settling tank 6 and PH, always adjust 8, pond and be provided with total equalizing tank No. 17, utilize total equalizing tank No. 1 the water quality of sewage to be carried out to homogenizing, improve the dissolved oxygen in sewage and solve use all the year round after the problem of pool bottom sludge alluvial.
PH always adjusts 8 pairs, pond sewage and carries out neutralizing treatment, by PH, always adjusts the external sulfuric acid volume pump 81 being connected with automatic control system in pond, utilizes its injected volume of controlling sulfuric acid, guarantees that the pH value of sewage equals 5.By the pH value of sewage is adjusted to neutrality, for follow-up biochemical microbial growth breeding provides comparatively suitable water quality environment.
By the sewage after neutralization is regulated, send in acidication treating pond 9, utilize acidication to process, the macromolecular substance open loop chain rupture by sewage, is converted into small-molecule substance.
Sewage after acidication is sent into activated sludge tank 10, utilizes the active sludge in activated sewage pond, make it with sewage in suspended solids and jelly be adsorbed on active sludge, and the organism in sewage and activated sludge reaction generate carbonic acid gas and water.
Sewage after acidication is processed is sent into biochemical sedimentation basin 11, makes settlement of sewage and isolates clear water and mud, and wherein clear water is sent in discharge pond, qualified discharge, and mud is sent in sludge thickener.
Mud in sludge thickener 12 is squeezed into pressure filter 13 and is carried out press dewatering with pneumatic diaphragm pump pressurization, and the mud cake obtaining after dehydration carries out drying and other treatment, and the clear liquid that pressure filter press filtration produces enters in discharge pond.
Above the invention embodiment is had been described in detail, but described content is only the preferred embodiment of the invention, can not be considered to for limiting the practical range of the invention.All equalization variations of doing according to the invention application range and improvement etc., within all should belonging to the patent covering scope of the invention.
Claims (9)
1. the treatment unit of an electroplating wastewater and heavy metal wastewater thereby, it is characterized in that, along process direction successively pipeline be connected with total equalizing tank, pH adjustment tank, redox reaction groove, one air-floating apparatus, lime reaction pond, PH and always adjust pond, acidication treating pond, activated sludge tank, biochemical sedimentation basin, sludge thickener and pressure filter.
2. the treatment unit of a kind of electroplating wastewater as claimed in claim 1 and heavy metal wastewater thereby, is characterized in that, between described one air-floating apparatus and lime reaction pond, is provided with intermediate pool.
3. the treatment unit of a kind of electroplating wastewater as claimed in claim 2 and heavy metal wastewater thereby, is characterized in that, described one air-floating apparatus is circumscribed with the auxiliary material being connected with automatic control system and adds volume pump.
4. the treatment unit of a kind of electroplating wastewater as claimed in claim 1 and heavy metal wastewater thereby, is characterized in that, described lime reaction pond and PH always adjust and between pond, be provided with settling tank.
5. the treatment unit of a kind of electroplating wastewater as claimed in claim 4 and heavy metal wastewater thereby, is characterized in that, described settling tank and PH always adjust and between pond, be provided with No. 1, total equalizing tank.
6. the treatment unit of a kind of electroplating wastewater as claimed in claim 1 and heavy metal wastewater thereby, is characterized in that, described pH adjustment tank is circumscribed with the neutralization reaction volume pump being connected with automatic control system.
7. the treatment unit of a kind of electroplating wastewater as claimed in claim 1 and heavy metal wastewater thereby, is characterized in that, described redox reaction groove is circumscribed with the redox metering pump being connected with automatic control system.
8. the treatment unit of a kind of electroplating wastewater as claimed in claim 1 and heavy metal wastewater thereby, is characterized in that, described lime reaction pond be circumscribed be connected with automatic control system in and material volume pump.
9. the treatment unit of a kind of electroplating wastewater as claimed in claim 1 and heavy metal wastewater thereby, is characterized in that, described PH always adjusts pond and is circumscribed with the sulfuric acid volume pump being connected with automatic control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320468257.0U CN203440201U (en) | 2013-08-02 | 2013-08-02 | Treatment device for electroplating wastewater and heavy metal wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320468257.0U CN203440201U (en) | 2013-08-02 | 2013-08-02 | Treatment device for electroplating wastewater and heavy metal wastewater |
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| Publication Number | Publication Date |
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| CN203440201U true CN203440201U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320468257.0U Expired - Fee Related CN203440201U (en) | 2013-08-02 | 2013-08-02 | Treatment device for electroplating wastewater and heavy metal wastewater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496816A (en) * | 2013-08-02 | 2014-01-08 | 江苏和顺环保股份有限公司 | Device for processing electroplating wastewater and heavy metal wastewater |
| CN105417839A (en) * | 2015-10-30 | 2016-03-23 | 赣州中联环保科技开发有限公司 | Treatment system and method for treating pre-treatment wastewater of electroplating |
| CN111620511A (en) * | 2020-04-20 | 2020-09-04 | 北京拓凯化工技术有限公司 | Method for treating sewage and waste water in iron and steel industry |
-
2013
- 2013-08-02 CN CN201320468257.0U patent/CN203440201U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496816A (en) * | 2013-08-02 | 2014-01-08 | 江苏和顺环保股份有限公司 | Device for processing electroplating wastewater and heavy metal wastewater |
| CN105417839A (en) * | 2015-10-30 | 2016-03-23 | 赣州中联环保科技开发有限公司 | Treatment system and method for treating pre-treatment wastewater of electroplating |
| CN105417839B (en) * | 2015-10-30 | 2018-05-25 | 赣州中联环保科技开发有限公司 | A kind of processing system and method for pre-electroplating treatment waste water |
| CN111620511A (en) * | 2020-04-20 | 2020-09-04 | 北京拓凯化工技术有限公司 | Method for treating sewage and waste water in iron and steel industry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHENJIANG HEYUN INDUSTRIAL WASTEWATER TREATMENT CO Free format text: FORMER OWNER: JIANGSU HESHUN ENVIRONMENTAL CO., LTD. Effective date: 20141009 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215000 SUZHOU, JIANGSU PROVINCE TO: 212300 ZHENJIANG, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20141009 Address after: 212300 Danyang province Jiangsu City Picheng Town Industrial Zone Chang Lu Patentee after: ZHENJIANG HEYUN INDUSTIAL WASTEWATER TREATMENT CO., LTD. Address before: 215000, Suzhou Industrial Park, Jiangsu Province, 18 Pu Cheng Pu Road Patentee before: Jiangsu Heshun Environmental Protection Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20140802 |
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| EXPY | Termination of patent right or utility model |