CN104152947A - Suspended electrolyzing device for separating and recovering metals in waste circuit board - Google Patents
Suspended electrolyzing device for separating and recovering metals in waste circuit board Download PDFInfo
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- CN104152947A CN104152947A CN201410332648.9A CN201410332648A CN104152947A CN 104152947 A CN104152947 A CN 104152947A CN 201410332648 A CN201410332648 A CN 201410332648A CN 104152947 A CN104152947 A CN 104152947A
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- electrolytic solution
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Abstract
The invention provides a suspended electrolyzing device for separating and recovering metals in a waste circuit board. The device comprises an electrolytic bath main body, a metal powder feeder and an electrolyte transfer water tank, wherein the electrolytic bath main body is connected with the metal powder feeder and the electrolyte transfer water tank. The device is characterized in that the electrolytic bath main body is divided into a plurality of cathode chambers and anode chambers by a plurality of partition plates of the cathode and anode chambers, wherein the partition plates of the cathode and anode chambers are porous partition plates to which membranes are attached, and electrolyte water distributing pipe and anode slime discharge pipelines which are horizontally arranged are arranged at the bottom of the anode chambers. The anode slime recovered by the device contains gold with high purity, and the device is simple in structure and less in pollution, so that the purpose of environment-friendly resource recycling is realized.
Description
Technical field
The present invention relates to a kind of electrolyzer, be specially adapted to Separation and Recovery and contain golden old circuit board and the suspension electrolysis device containing metal in golden-rimmed corner material.
Background technology
Along with the quick increase of domestic and international electronic product and the continuous quickening of renewal rate, China's electronic waste generation also sharply increases.As the core component of electronic product, in old circuit board, comprise a large amount of metals and non-metallic material, directly abandon and not only waste ample resources, also can destroy ecotope, therefore, the recovery of old circuit board is very necessary.
Old circuit board contains the metals such as copper, gold and silver, nickel, and more common method is pulverized old circuit board, sub-elects metal-powder, and the then the highest copper of Separation and Recovery content is realized the enrichment of precious metal simultaneously, and convenient purification reclaimed.
For Separation and Recovery old circuit board is through pulverizing the metal-powder sub-electing, generally acknowledge that preferably method is electrolytic process.But mostly common electrolyzer is that the rare suspension electrolysis device for electrolytic separation metal-powder, still lacks simple in structure, easy to operate suspension electrolysis device in order to adopt noble electrode electrolytic solution or to adopt soluble-anode electrolysis to purify at present.
Summary of the invention
Technical problem to be solved by this invention is exactly the deficiency overcoming in current product, provides a kind of for separating of reclaiming old circuit board through pulverizing the suspension electrolysis device of the metal-powder sub-electing.
The present invention like this realize, it comprises electrolyzer main body, metal-powder cast feeder and electrolytic solution transfer water tank; Described electrolyzer main body is divided into some cathode compartments and some anolyte compartments by some the anode chamber and the cathode chamber dividing plates, in cathode compartment, establish negative electrode, in anolyte compartment, establish anode, the bottom that it is characterized in that each anolyte compartment is provided with horizontally disposed electrolytic solution water distributor, the bottom of each anolyte compartment is also connected with anode sludge discharge tube, electrolytic solution transfer water tank connects to electrolytic solution water distributor by pump and pipeline, the top of each anolyte compartment is provided with metal-powder cast feeder, the top position of cathode compartment side be provided with electrolytic solution overflow groove and through device for cleaning pipeline to electrolytic solution transfer water tank.
Furthermore, described the anode chamber and the cathode chamber dividing plate is porous barrier, is attached with barrier film, and barrier film adopts compression edge strip to be pressed abd fixed on porous barrier.
Furthermore, described anode is tubular titanium net, and negative electrode is copper coin.
Furthermore, the bottom of described each anolyte compartment is provided with anode sludge discharge tube and valve.
Furthermore, described electrolytic solution water distributor is horizontally disposed in the bottom of anolyte compartment, and electrolytic solution water distributor side-lower has a lot of apertures, and electrolytic solution water distributor is connected to the pipeline that leads to pump.
The slot that described electrolyzer main body leaves, porous barrier is inserted in slot, the cleaned and changed barrier film of can regularly releasing.
Electrolytic solution is extracted into electrolyzer main body from electrolytic solution transfer water tank, complete the inlet distribution of electrolytic solution by being positioned at the electrolytic solution water distributor of bottom, anolyte compartment, too much electrolytic solution overflows to electrolytic solution transfer water tank by being positioned at the electrolytic solution overflow groove at the top position of cathode compartment side again, realize the circulation of electrolytic solution, supplement if desired the consumption component of electrolytic solution at electrolytic solution transfer water tank.
In Separation and Recovery waste and old circuit board of the present invention, the suspension electrolysis device of metal is mainly applicable to the metal such as copper and gold, nickel in Separation and Recovery waste and old circuit board, negative electrode obtains highly purified electrolysis copper coin, the anode sludge reclaiming contains the gold that purity is higher, simple in structure, less pollution, has realized environmentally friendly resource utilization and has reclaimed object.
Brief description of the drawings
Fig. 1 is front view of the present invention.
Fig. 2 is side-view of the present invention.
1. metal-powder cast feeders in the drawings; 2. electrolyzer main body; 3. electrolytic solution transfer water tank; 21. electrolytic solution overflow grooves; 22. anodes; 23. negative electrodes; 24. the anode chamber and the cathode chamber dividing plates; 25. cathode compartments; 26. anolyte compartments; 27. electrolytic solution water distributors; 28. anode sludge discharge tubes.
Embodiment
For describing constitutional features of the present invention, technique means and the object realizing and effect in detail, below in conjunction with preferred implementation and coordinate accompanying drawing to be elaborated.
In Separation and Recovery waste and old circuit board as depicted in figs. 1 and 2, the suspension electrolysis device of metal comprises electrolyzer main body 2, metal-powder cast feeder 1 and electrolytic solution transfer water tank 3; Described electrolyzer main body 2 is divided into some cathode compartments 25 and some anolyte compartments 26 by some the anode chamber and the cathode chamber dividing plates 24, in cathode compartment 25, establish negative electrode 23, in anolyte compartment 26, establish anode 22, the bottom of each anolyte compartment 26 is provided with electrolytic solution water distributor 27 and anode sludge discharge tube 28, electrolytic solution transfer water tank 3 connects to electrolytic solution water distributor 27 by pump and pipeline, the top of each anolyte compartment 26 is provided with metal-powder cast feeder 1, the cathode compartment 25 top positions of side be provided with electrolytic solution overflow groove 21 and through device for cleaning pipeline to electrolytic solution transfer water tank 3.
Described the anode chamber and the cathode chamber dividing plate 24 is porous barrier, is attached with barrier film.
Electrolyzer main body 2 and electrolytic solution transfer water tank 3 housings all use PVC plate to be welded; Anode 22 is tubular wire netting, and material is titanium or applies the metal oxide containing precious metals such as ruthenium, iridium taking titanium as matrix top layer, and negative electrode 23 is copper coin.
Metal-powder cast feeder 1 is placed on the top of each anolyte compartment 26, is contained with the metal-powder that old circuit board obtains after pre-treatment.Metal-powder enters behind anolyte compartment 26, and the metal-powder being suspended in electrolytic solution passes through impinge anode 22 surfaces, loses electronics in the moment of clashing into, and oxidizing reaction occurs, that is:
Cu-2e
-→Cu
2+
At cathode compartment 25, the cupric ion in electrolytic solution obtains electronics near negative electrode 23, is reduced to copper, is deposited on cathode plate surface, reacts as follows:
Cu
2++2e
-→Cu
Metal-powder in anolyte compartment 26 is after electrolysis for some time, and copper generation oxidizing reaction is dissolved, and remaining is that main component is the golden anode sludge.
After electrolysis for some time, turn off power supply and electrolyte circulating pump, leave standstill for some time, open the bleed valve of anode sludge discharge tube 28, drain the anode sludge that sinks to 26 bottoms, anolyte compartment, open afterwards the valve of metal-powder cast feeder 1, add a certain amount of metal-powder to anolyte compartment 26.
Between the anode chamber and the cathode chamber, separate with the porous barrier that adheres to barrier film, the material of barrier film can be cationic membrane, nylon filtering cloth, porous barrier is for being full of the PVC plate of 5 ~ 20mm aperture, barrier film adopts compression edge strip to be pressed abd fixed on porous barrier, porous barrier is placed in the slot that electrolyzer main body 2 reserved, the cleaned and changed barrier film of can regularly releasing.
Described electrolytic solution water distributor 27 is arranged in the bottom of anolyte compartment 26, and electrolytic solution water distributor cloth 27 side-lowers have a lot of equally distributed apertures, and electrolytic solution water distributor 27 is connected to the pipeline that leads to pump.
Electrolytic solution is extracted into electrolyzer main body 2 from electrolytic solution transfer water tank 3, complete the inlet distribution of electrolytic solution by being positioned at the electrolytic solution water distributor 27 of 26 bottoms, anolyte compartment, too much electrolytic solution overflows to electrolytic solution transfer water tank 3 by the electrolytic solution overflow groove 21 that is positioned at the cathode compartment 25 top positions of side again, realize the circulation of electrolytic solution, the consumption component of supplementing electrolytic solution at electrolytic solution transfer water tank 3 if desired.In electrolyzer, bath composition comprises copper sulfate, sulfuric acid and hydrochloric acid.
In Separation and Recovery waste and old circuit board of the present invention, the suspension electrolysis device of metal is mainly applicable to the metal such as copper and gold, nickel in Separation and Recovery waste and old circuit board, negative electrode obtains highly purified electrolysis copper coin, the anode sludge reclaiming contains the gold that purity is higher, simple in structure, less pollution, has realized environmentally friendly resource utilization and has reclaimed object.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention.The conversion of structure, material and purposes that every the present invention of utilization and accompanying drawing content are done, is all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. one kind
the suspension electrolysis device of metal in Separation and Recovery waste and old circuit board, comprise electrolyzer main body, metal-powder cast feeder and electrolytic solution transfer water tank, described electrolyzer main body is divided into some cathode compartments and some anolyte compartments by some the anode chamber and the cathode chamber dividing plates, in cathode compartment, establish negative electrode, in anolyte compartment, establish anode, the bottom that it is characterized in that each anolyte compartment is provided with horizontally disposed electrolytic solution water distributor, the bottom of each anolyte compartment is also connected with anode sludge discharge tube, electrolytic solution transfer water tank connects to electrolytic solution water distributor by pump and pipeline, the top of each anolyte compartment is provided with metal-powder cast feeder, the top position of cathode compartment side be provided with electrolytic solution overflow groove and through device for cleaning pipeline to electrolytic solution transfer water tank, described the anode chamber and the cathode chamber dividing plate is for adhering to septate porous barrier.
2. the suspension electrolysis device of metal in Separation and Recovery waste and old circuit board as claimed in claim 1, is characterized in that: the slot that described electrolyzer main body leaves, porous barrier is inserted in slot, the cleaned and changed barrier film of can regularly releasing.
3. the suspension electrolysis device of metal in Separation and Recovery waste and old circuit board as claimed in claim 2, is characterized in that: described barrier film adopts compression edge strip to be pressed abd fixed on porous barrier.
4. the suspension electrolysis device of metal in Separation and Recovery waste and old circuit board as claimed in claim 2, is characterized in that: the material of barrier film is cationic membrane or nylon filtering cloth.
5. the suspension electrolysis device of metal in the Separation and Recovery waste and old circuit board as described in claim 1,2 or 3, is characterized in that: described electrolytic solution water distributor side-lower has equally distributed aperture.
6. the suspension electrolysis device of metal in Separation and Recovery waste and old circuit board as claimed in claim 4, is characterized in that: described anode is tubular titanium net, and negative electrode is copper coin.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104451784A (en) * | 2014-12-05 | 2015-03-25 | 温州新科先进粉体材料有限公司 | Rotational flow electrolyzing device for separating and recycling metal composite waste material |
CN105821440A (en) * | 2016-05-21 | 2016-08-03 | 江苏诚信药业有限公司 | Technology system for preparing small-molecule inhibitor through electrolysis method |
CN109267103A (en) * | 2018-09-27 | 2019-01-25 | 深圳利都科技有限公司 | Electrolytic cell a kind of high-efficient and that classification processing can be carried out |
CN112095125A (en) * | 2020-10-10 | 2020-12-18 | 王红义 | Metal purification device and high-purity metal preparation method |
CN112725834A (en) * | 2020-12-23 | 2021-04-30 | 博罗县美兴达科技有限公司 | Direct electrolysis process for solid waste metal powder |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104451784A (en) * | 2014-12-05 | 2015-03-25 | 温州新科先进粉体材料有限公司 | Rotational flow electrolyzing device for separating and recycling metal composite waste material |
CN105821440A (en) * | 2016-05-21 | 2016-08-03 | 江苏诚信药业有限公司 | Technology system for preparing small-molecule inhibitor through electrolysis method |
CN109267103A (en) * | 2018-09-27 | 2019-01-25 | 深圳利都科技有限公司 | Electrolytic cell a kind of high-efficient and that classification processing can be carried out |
CN112095125A (en) * | 2020-10-10 | 2020-12-18 | 王红义 | Metal purification device and high-purity metal preparation method |
CN112725834A (en) * | 2020-12-23 | 2021-04-30 | 博罗县美兴达科技有限公司 | Direct electrolysis process for solid waste metal powder |
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