CN205856073U - A kind of heavy metal out of electroplating wastewater retracting device - Google Patents
A kind of heavy metal out of electroplating wastewater retracting device Download PDFInfo
- Publication number
- CN205856073U CN205856073U CN201620869505.6U CN201620869505U CN205856073U CN 205856073 U CN205856073 U CN 205856073U CN 201620869505 U CN201620869505 U CN 201620869505U CN 205856073 U CN205856073 U CN 205856073U
- Authority
- CN
- China
- Prior art keywords
- heavy metal
- retracting device
- concentration basin
- anode
- electroplating wastewater
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
A kind of heavy metal out of electroplating wastewater retracting device disclosed in this utility model, including the device body being made up of processing unit, anode concentration basin and negative electrode concentration basin it is provided with in processing unit, the inner side of anode concentration basin is provided with anode film, the inner side of negative electrode concentration basin is provided with cathodic coating, electroplating effluent passage is formed between anode film and cathodic coating, connect on this electroplating effluent passage and have transmission pump, it is provided with positive plate in anode concentration basin, being provided with minus plate in negative electrode concentration basin, corresponding and DC source positive pole, negative pole are connected through wire for positive plate, minus plate；Anode film is anion exchange membrane, and cathodic coating is cation exchange membrane, or anode film and cathodic coating are porous dielectric film.Its simple in construction, easy to use, during recovery, according to the elementary composition in pending electroplating wastewater, the use of selective membrane, the waste liquid flow through from electroplating effluent passage is made to carry out electrolysis process or electrodialysis process, thus reaching the purpose of heavy metal recovery, recovery method is simple.
Description
Technical field
This utility model relates to electroplating waste water treatment technology field, especially refers to return heavy metal out of electroplating wastewater
Receive, specifically a kind of heavy metal out of electroplating wastewater retracting device.
Background technology
There are about Electroplate Factory 15000 in China, average annual electroplating wastewater discharge capacity is up to 4,000,000,000 tons, accounts for total industrial wastewater discharge
The 1/6 of amount, but wherein there are about the electroplating wastewater of 50% and be not up to discharging standards.Therefore, how to remove or reduce electroplating sludge
In content of beary metal become municipal sludge and disposed and the problem that must solve of resource.
In the prior art, heavy metal in electroplating wastewater administering method specifically includes that chemical method, bioanalysis, physico-chemical process and electricity
Chemical method four kinds.Wherein chemical method includes: the gentle float glass process of the sedimentation method, oxidizing process, reducing process, neutralisation；Bioanalysis includes: biological
Flocculence, biosorption process and biochemical process；Physico-chemical process includes ion exchange, membrane separation process, absorption method and evaporation and concentration
Method；Electrochemical process includes galvanic cell method, electroosmose process, electrocoagulation air supporting method, electrochemical oxidation process and electrochemical reducing.
Electric repairing technique is a kind of technology that can effectively remove pollutant, it have reagent dosage few, simple to operate,
Removal efficiency is high, the process time is short, can remove the advantages such as several heavy metal species simultaneously, big for unit weight, porosity is low and permeability
Low pollutant medium also has preferable repairing effect.But, although electric repairing technique can apply to heavy metal pollution
The improvement of water body, specific to the removal aspect to heavy metal out of electroplating wastewater, this technology also needs further to study, perfect.
Existing Patent No.: 201320253757.2, entitled: " retracting device of a kind of heavy metal out of electroplating wastewater "
Patent discloses the retracting device of a kind of heavy metal out of electroplating wastewater, and it includes retracting device body, anode conducting plate and negative electrode
Conductive plate, retracting device body one end has inlet, and the other end has a liquid outlet, and retracting device this most internal be provided with every
Plate, dividing plate has overflow launder, and its upper end is provided with gripper shoe, and the two ends, left and right of retracting device body upper part are respectively arranged with
One conductive seat, the second conductive seat, described second conductive seat electrically connects with one end of negative electrode conductive plate, the other end of negative electrode conductive plate
Dismountable being connected with gripper shoe, the first conductive seat electrically connects with anode conducting plate, anode conducting plate be installed on retracting device this
On internal erection support.This retracting device uses electrolysis to process electroplating wastewater, but due to institute in electroplating wastewater
The heavy metal element contained is of a great variety, has Cu, Sn, Ni, Hg, Cd, Pb etc., therefore limited only with its treatment effect of electrolysis.
Separately there is Patent No. 201310161883.X, entitled: " method and apparatus reclaiming heavy metal out of electroplating wastewater "
Patent a kind of method and apparatus reclaiming heavy metal out of electroplating wastewater is disclosed, the method comprises the following steps: (1) by plating give up
Water carries out ion exchange resin treatment, and make in electroplating wastewater is heavy metal ion adsorbed on ion exchange resin；(2) with regeneration
Agent eluting is adsorbed in the heavy metal ion on ion exchange resin, obtains regenerated liquid；(3) cyclone electrolytic cell technology electrolytic regeneration is used
Liquid, makes a huge sum of money belong on negative electrode and separates out.This equipment includes resins exchange processing unit and electrolytic recovery processing unit, described electricity
Solve recycling unit include cyclone electrolytic cell device and control the reflux of flow rate of liquid.It is by first at ion exchange resin
Reason generates regenerated liquid, then carries out the mode of electrolysis process to process electroplating wastewater, and introduces cyclone electrolytic cell technology, improves useless
The treatment effect of water, but its equipment is complicated, processes, maintenance cost is higher.
Summary of the invention
Technical problem to be solved in the utility model is the present situation for prior art, it is provided that simple in construction, user
Just, it is possible to effectively realize a kind of heavy metal out of electroplating wastewater retracting device that heavy metal is collected.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is:
A kind of heavy metal out of electroplating wastewater retracting device, including the device body being made up of processing unit, in processing unit
Being provided with anode concentration basin and negative electrode concentration basin, the inner side of anode concentration basin is provided with anode film, and the inner side of negative electrode concentration basin sets
Being equipped with cathodic coating, form electroplating effluent passage between anode film and cathodic coating, this electroplating effluent passage connects transmission pump, sun
Being provided with positive plate in the concentration basin of pole, positive plate is connected with the positive pole of DC source through wire, is provided with in negative electrode concentration basin
Minus plate, minus plate is connected with the negative pole of DC source through wire；Anode film is anion exchange membrane, and cathodic coating is cation
Exchange membrane, or anode film and cathodic coating be porous dielectric film.
The technical measures optimized also include:
Above-mentioned anode film and cathodic coating use track structure.
Above-mentioned positive plate and minus plate are rotary-disk type structure.
Distance between above-mentioned positive plate and described minus plate is below 5mm.
Distance between above-mentioned positive plate and described minus plate is 2mm to 4mm.
Above-mentioned anode film is below 3mm with the distance of cathodic coating.
Above-mentioned anode film is 0.3mm to 2mm with the distance of cathodic coating.
Above-mentioned processing unit is arranged in parallel.
The voltage of above-mentioned DC source is 14.5V.
A kind of heavy metal out of electroplating wastewater retracting device of the present utility model, including the device being made up of processing unit originally
Body, is provided with anode concentration basin and negative electrode concentration basin in processing unit, anode concentration basin is corresponding with the inner side of negative electrode concentration basin to be set
Be equipped with anode film and cathodic coating, in anode concentration basin, be provided with positive plate, in negative electrode concentration basin, be provided with minus plate, positive plate and
Minus plate is connected with the positive and negative electrode of DC source accordingly, forms electroplating effluent passage, waste liquid between anode film and cathodic coating
In processing procedure, waste liquid flows in electroplating effluent passage, and the power of waste liquid flowing is provided by transmission pump；Wherein, anode film is
Anion exchange membrane, cathodic coating is cation exchange membrane, or anode film and cathodic coating are porous dielectric film.This retracting device
In the case of population structure is constant, it is only necessary to according to the contained difference disposed waste liquid, anode film and cathodic coating are selected
Use, just can realize electrolysis process or electrodialysis process, simple in construction, easy to use.
Electrolysis process and electrodialysis process device are united two into one by this retracting device, it is possible to reduce the input of equipment cost,
Corresponding, this retracting device can select electrolysis process or electrodialysis process as required, it is possible to utilizes two kinds to process
Feature, to improve recovering effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model retracting device embodiment one；
Fig. 2 is the structural representation of this utility model retracting device embodiment two.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
It is structural representation of the present utility model as shown in Figure 1 to Figure 2,
Reference therein is: anode concentration basin 1, negative electrode concentration basin 2, anode film 3, cathodic coating 4, electroplating effluent passage
5, liquid-inlet 5a, liquid outlet 5b, transmission pump 6, positive plate 7, minus plate 8, DC source 9, wire 91.
Embodiment one, as it is shown in figure 1,
A kind of heavy metal out of electroplating wastewater retracting device, including the device body being made up of processing unit, in processing unit
Being provided with anode concentration basin 1 and negative electrode concentration basin 2, the inner side of anode concentration basin 1 is provided with anode film 3, negative electrode concentration basin 2 interior
Side is provided with cathodic coating 4, forms electroplating effluent passage 5, this electroplating effluent passage 5 connects and has between anode film 3 and cathodic coating 4
Transmission pump 6, is provided with positive plate 7 in anode concentration basin 1, positive plate 7 is connected through the positive pole of wire 91 with DC source 9, cloudy
Being provided with minus plate 8 in pole concentration basin 2, minus plate 8 is connected through the negative pole of wire 91 with DC source 9；Anode film 3 be cloudy from
Proton exchange, cathodic coating 4 is cation exchange membrane, or anode film 3 and cathodic coating 4 are porous dielectric film.
Processing unit is arranged in parallel, and retracting device is provided with the outside framework being made up of Foamex.
This retracting device is in the case of overall structure is constant, by anode film 3 and the selection of cathodic coating 4, it is possible to real
The electrolysis process of existing waste liquid or electrodialysis process.When anode film 3 is anion exchange membrane, and cathodic coating 4 is cation exchange membrane
Time, carry out electrolysis process；When anode film 3 and cathodic coating 4 are porous dielectric film, carry out electrodialysis process.
Embodiment two, as in figure 2 it is shown,
Retracting device in the present embodiment is similar to the retracting device structure in embodiment one, except that, this enforcement
In example, anode film 3 and cathodic coating 4 use track structure.So, when film uses a period of time, after its disposal ability declines, logical
Cross rotating of track structure and change the film that the preceding paragraph is new.
Positive plate 7 and minus plate 8 are rotary-disk type structure.The part so making pole plate is immersed in the solution of concentration basin,
When being enriched more metal on pole plate, just the new part of pole plate can be made to enter by rotating the pole plate of rotary-disk type structure
Proceed in entering concentration basin to process, simple, convenient.
In embodiment, the distance controlling between positive plate 7 and described minus plate 8 is at below 5mm.Positive plate 7 and described the moon
Distance controlling between pole plate 8 is optimal at 2mm to 4mm.
In embodiment, the distance controlling of anode film 3 and cathodic coating 4 is at below 3mm.Anode film 3 with the distance of cathodic coating 4 is
It is optimal for controlling at 0.3mm to 2mm.
In embodiment, the two ends of electroplating effluent passage 5 are correspondingly arranged on liquid-inlet 5a and liquid outlet 5b.
In embodiment, the voltage of DC source 9 is 14.5V.
The recovery method of a kind of heavy metal out of electroplating wastewater retracting device: comprise the following steps:
Step one: according to the heavy metal element composition in pending electroplating wastewater, select to use anion exchange membrane and
Cation exchange membrane, or porous dielectric film；
Step 2: electroplating wastewater, under the effect of transmission pump 6, flows along electroplating effluent passage 5；
Step 3: in electroplating effluent flow process, makes heavy metal element pass through ion exchange membrane at electricity by electrolysis
Deposit on pole plate, or make heavy metal element pass through porous dielectric film by electrodialysis effect to occur dense in concentration basin
Contracting.
Operation principle:
According to anode film 3 and the difference of cathodic coating 4, the waste liquid of electroplating effluent passage 5 flowing is carried out electrolysis process or
Electrodialysis process.
When anode film 3 is anion exchange membrane, and cathodic coating 4 is cation exchange membrane, carry out electrolysis process；During electrolysis,
Cation positively charged in solution moves to negative electrode through cation exchange membrane (cathodic coating 4), and is combined with electronics, in becoming
The element of property or molecule, and be enriched with on minus plate 8, deposit；Electronegative anion is then through anion exchange membrane (sun
Pole film 3) move to anode, provide electronics, become neutral element or molecule, positive plate 7 is enriched with, deposits.
In electrolytic process, moreover it is possible to cyanide is decomposed, during electrolysis, occur to react as follows at anode:
CN- + 2OH-=OCN- + H2O + 2e
Wherein CN-Lose two electronics, be oxidized to nontoxic cyanate radical.Cyanide can become hydrogen cyanogen in acid condition
Acid (HCN) evaporates, severe toxicity, sucks fatal, therefore enters under the conditions of the liquid waste processing alkalescence to be strict controlled in containing cyanide
OK.
When anode film 3 and cathodic coating 4 are porous dielectric film, carry out electrodialysis process；During electrodialysis, utilize electric field
Effect, by ion, at battery lead plate, (concentration basin) attracts by force: cation moves to negative electrode concentration basin 2, and anion is dense to anode
Contracting pond 1 is moved；In electrodialytic process, element ion concentrates at concentration basin through porous dielectric film, solution in concentration basin
Concentration increases, and the ion concentration between anode film 3 and cathodic coating 4 then declines.
During electrodialysis, the electronegative meeting of phosphate radical is moved to anode concentration basin 1, is concentrated such that it is able to realize returning phosphoric acid
Receive.
Most preferred embodiment of the present utility model illustrates, those of ordinary skill in the art the various changes made or remodeling
All without departing from scope of the present utility model.
Claims (9)
1. a heavy metal out of electroplating wastewater retracting device, including the device body being made up of processing unit, is characterized in that: described
Processing unit in be provided with anode concentration basin (1) and negative electrode concentration basin (2), the inner side of described anode concentration basin (1) is arranged
Anode film (3), the inner side of described negative electrode concentration basin (2) is had to be provided with cathodic coating (4), described anode film (3) and cathodic coating
(4) forming electroplating effluent passage (5) between, the upper connection of this electroplating effluent passage (5) has transmission pump (6), described anode to concentrate
Being provided with positive plate (7) in pond (1), described positive plate (7) is connected through the positive pole of wire (91) with DC source (9), institute
Minus plate (8) it is provided with, negative through wire (91) and DC source (9) of described minus plate (8) in the negative electrode concentration basin (2) stated
Pole is connected；Described anode film (3) is anion exchange membrane, and described cathodic coating (4) is cation exchange membrane, or described
Anode film (3) and cathodic coating (4) be porous dielectric film.
A kind of heavy metal out of electroplating wastewater retracting device the most according to claim 1, is characterized in that: described anode film
(3) and cathodic coating (4) use track structure.
A kind of heavy metal out of electroplating wastewater retracting device the most according to claim 2, is characterized in that: described positive plate
And minus plate (8) is rotary-disk type structure (7).
A kind of heavy metal out of electroplating wastewater retracting device the most according to claim 3, is characterized in that: described positive plate
(7) distance and between described minus plate (8) is below 5mm.
A kind of heavy metal out of electroplating wastewater retracting device the most according to claim 4, is characterized in that: described positive plate
(7) distance and between described minus plate (8) is 2mm to 4mm.
A kind of heavy metal out of electroplating wastewater retracting device the most according to claim 3, is characterized in that: described anode film
(3) distance with cathodic coating (4) is below 3mm.
A kind of heavy metal out of electroplating wastewater retracting device the most according to claim 6, is characterized in that: described anode film
(3) distance with cathodic coating (4) is 0.3mm to 2mm.
8. according to a kind of heavy metal out of electroplating wastewater retracting device described in claim 1 to 7 any claim, its feature
It is: described processing unit is arranged in parallel.
A kind of heavy metal out of electroplating wastewater retracting device the most according to claim 8, is characterized in that: described DC source
(9) voltage is 14.5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620869505.6U CN205856073U (en) | 2016-08-12 | 2016-08-12 | A kind of heavy metal out of electroplating wastewater retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620869505.6U CN205856073U (en) | 2016-08-12 | 2016-08-12 | A kind of heavy metal out of electroplating wastewater retracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205856073U true CN205856073U (en) | 2017-01-04 |
Family
ID=57593879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620869505.6U Active CN205856073U (en) | 2016-08-12 | 2016-08-12 | A kind of heavy metal out of electroplating wastewater retracting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205856073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112547776A (en) * | 2020-11-20 | 2021-03-26 | 中国电建集团成都勘测设计研究院有限公司 | Electrochemical device for treating contaminated soil |
| WO2024229971A1 (en) * | 2023-05-10 | 2024-11-14 | 天津工业大学 | Electrochemical double-membrane reactor and wastewater treatment method |
-
2016
- 2016-08-12 CN CN201620869505.6U patent/CN205856073U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112547776A (en) * | 2020-11-20 | 2021-03-26 | 中国电建集团成都勘测设计研究院有限公司 | Electrochemical device for treating contaminated soil |
| WO2024229971A1 (en) * | 2023-05-10 | 2024-11-14 | 天津工业大学 | Electrochemical double-membrane reactor and wastewater treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106044965A (en) | Apparatus for recovery heavy metals from electroplating wastewater, and recovery method thereof | |
| CN100569664C (en) | Recovery method of sulfuric acid in high-concentration acid-containing waste liquid of battery factory | |
| CN201777952U (en) | Integrated device for treatment of wastewater containing heavy metals | |
| CN109731905B (en) | Autonomous controllable electric acidification dissociation device and method for soil or substrate sludge pollutants | |
| CN101798131A (en) | High-efficiency electroplating wastewater treatment and resource utilization device | |
| CN104944709B (en) | Electroplating wastewater zero-discharge treatment method and system | |
| CN102115286A (en) | Treatment method for recycling coking wastewater and assembled treatment system | |
| CN103243348A (en) | Method and equipment for recovering heavy metal in electroplating wastewater | |
| JP2004066223A (en) | Electrolyte waste water treatment device, electrode used for the device and power generation device | |
| CN206635175U (en) | A kind of electroplating waste processing equipment | |
| CN101935126B (en) | Combined treatment method for electro-deposition and membrane separation of zinc-containing heavy metal waste water | |
| CN106396032A (en) | Low-concentration copper-containing wastewater treatment process based on electro-adsorption coupling electrodeposition method and control system thereof | |
| CN105271615A (en) | Electrochemical composite membrane bioreactor | |
| CN110422948A (en) | Copper sulphate Sewage treatment metallic copper treatment process is electroplated | |
| CN205856073U (en) | A kind of heavy metal out of electroplating wastewater retracting device | |
| CN108467140A (en) | A kind of coking wastewater combination desalinating process | |
| CN105731696B (en) | Silicon carbide pickling waste water reclaiming treatment process | |
| CN113502506A (en) | Method for separating and recovering heavy metals in waste liquid by using alternating current | |
| CN101717134B (en) | Method for treating zinc-containing electroplating wastewater and recovering zinc by electrolysis | |
| CN114084937B (en) | Ferroelectric chemical water treatment method for convection enhanced ion mass transfer | |
| CN113003658B (en) | Treatment process of nickel insoluble anode electrolyte | |
| CN103787467A (en) | Equipment and process for treating nickel-cobalt wastewater in hydrometallurgy industry through electrolytic method | |
| CN102276094A (en) | Method for treating strong brine | |
| CN207659238U (en) | A kind of film electricity combination water treatment facilities | |
| CN106219917A (en) | The device of a kind of quick removal Heavy Metals in Sludge and minimizing technology thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |