CN102560560A - Cylindrical jet-state direct electro-deposition device and method for using same to electrically deposite metal - Google Patents
Cylindrical jet-state direct electro-deposition device and method for using same to electrically deposite metal Download PDFInfo
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- CN102560560A CN102560560A CN2012100538937A CN201210053893A CN102560560A CN 102560560 A CN102560560 A CN 102560560A CN 2012100538937 A CN2012100538937 A CN 2012100538937A CN 201210053893 A CN201210053893 A CN 201210053893A CN 102560560 A CN102560560 A CN 102560560A
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Abstract
The invention relates to a cylindrical jet-state direct electro-deposition device and a method for using the device to electrically deposite metal; the device comprises an outer layer cathode pipe, an inner layer anode pipe, a feeding liquid pipe and a discharge hole, wherein the outer layer cathode pipe is sheathed outside the inner layer anode pipe; one end of the inner layer anode pipe is sealed, and the other end of the inner layer anode pipe is communicated with the feeding liquid pipe in a sealing way; one end of the outer layer cathode pipe close to the feeding liquid pipe is connected with the inner layer anode pipe arranged at the same end in a sealing way; the other end of the outer layer cathode pipe is communicated with the discharge hole; and the inner layer anode pipe is provided with a small anode pipe wall hole used for communicating the outer layer cathode pipe with the inner layer anode pipe. The device and the method can be applied to the large-scale electro-deposition production, and is capable of realizing automatic continuous large-scale industrial production as well as low-grade ore and high-quality yield; and the device and the method belong to an environment-friendly new technology which is low in investment cost, high in yield, and low in energy consumption, carbon emission and pollution.
Description
Technical field
The present invention relates to hydrometallurgy heavy metal height refining electrodeposition technical field, relate in particular to a kind of can environmental protection, the direct electrodeposition apparatus of cylindric jet attitude of energy-conservation, low-carbon emission and use the method for its electrowinning.
Background technology
Metal is directly galvanic deposit from solution, belongs to the scope of hydrometallurgy, from the ore to the raw material, expects material from former, relates to very electrochemical phenomena and application widely, theoretically promotes with using mutually, has promoted the metallurgical electrochemistry development of science and technology.In hydrometallurgy process, from the present utilisation technology of leaching, purification, extraction, purified of metal, the most of metal in the periodictable all can be prepared by electrolysis process, but industry is at present gone up the metal of extensiveization electrolysis production and is had two approximately, 30 kind.
Electrolysis (Electrolysis) be with electric current through electrolyte solution or molten state material, (claiming electrolytic solution again), on negative electrode and anode, cause the process of redox reaction.
Electrolysis is widely used in the metallurgical industry, as extracting metal (electrolytic metallurgy) or purify metals (refining) from ore or compound, and from solution, deposits metal (plating).Electrolysis is a kind of means of very strong promotes oxidn reduction reaction, and many redox reactions of carrying out of being difficult to can realize through electrolysis.For example: can the fused fluorochemical be oxidized to simple substance fluoride on anode, the fused lithium salts is reduced into metallic lithium on negative electrode.Electrolytic industry has vital role in national economy; The refining of the smelting of many non-ferrous metals (like sodium, potassium, magnesium, aluminium etc.) and rare metal (like zirconium, hafnium etc.) and metal (like copper, zinc, lead etc.); The preparation of basic chemical industry product (like hydrogen, oxygen, caustic soda, Potcrate, hydrogen peroxide, oxalic acid dinitrile etc.); Also have plating, electropolishing, anodic oxidation etc., all realize through electrolysis.At present, industry being is just is being researched and developed new electrolysis electrodeposition technology and equipment for solving many drawbacks such as the environmental pollution, the energy consumption that are brought in the metallurgical electrolysis process are big both at home and abroad.
Galvanic deposit (electrodeposition) is the process of metal or alloy electrochemical deposition from its compound water solution, non-aqueous solution or fused salt, is the basis of electrolytic etching of metal smelting, electrorefining, plating, electroforming process.These processes are carried out under certain ionogen and operational condition.
Electrolysis process is adopted in galvanic deposit of the prior art mostly; Require the leach liquor metal will reach the concentration of 45g/l~50g/l; And adopt the direct electrodeposition process of cylindric jet attitude; The solution containing metal amount of getting off from the desorb of continuous adsorption exchange bed only requires and reaches 5g/L, but just direct production high purity metal material.
Summary of the invention
The objective of the invention is to design a kind of novel direct electrodeposition apparatus of cylindric jet attitude, address the above problem.
To achieve these goals, the technical scheme of the present invention's employing is following:
The direct electrodeposition apparatus of a kind of cylindric jet attitude comprises outer cathode tube, internal layer anode tube, feeding liquid pipe and discharge port, and said outer cathode tube is set in outside the said internal layer anode tube; The one end sealing of said internal layer anode tube, the other end is communicated with the said feeding liquid seal of tube; Be tightly connected between the internal layer anode tube of said outer cathode tube near end of said feeding liquid pipe and same end, the other end of said outer cathode tube is communicated with said discharge port; Offer the anode tube wall aperture that is communicated with said outer cathode tube and said internal layer anode tube on the said internal layer anode tube.
Also comprise electrolysis liquid pool and liquor pump, said feeding liquid pipe is communicated to said electrolysis liquid pool through said liquor pump.
Said liquor pump is a peristaltic pump.
Concentric setting between said outer cathode tube and the said internal layer anode tube, the distance between the outer wall of the inwall of said outer cathode tube and said internal layer anode tube is 10mm-30mm, the diameter of said anode tube wall aperture is 1mm-3mm; Said outer cathode tube is a stainless steel, and said internal layer anode tube is a titanium pipe rhodanizing material.
Distance between the outer wall of the inwall of said outer cathode tube and said internal layer anode tube is 20mm.
One end of said internal layer anode tube is by the sealing of PVC material, and the other end also is communicated with by the sealing of PVC material with said feeding liquid pipe; Also be tightly connected between the internal layer anode tube of said outer cathode tube near end of said feeding liquid pipe and same end by the PVC material.
The above row's anode tube wall aperture and down the length of the said internal layer anode tube between the said anode tube wall aperture of row constitute galvanic deposit tube useful length, said galvanic deposit tube useful length is 0.8m-1.2m.
A kind of method of using the direct electrodeposition apparatus electrodeposit metals of said cylindric jet attitude is characterized in that, comprises the steps:
The first step is electrically connected to power cathode and positive source, energized respectively with said outer cathode tube and said internal layer anode tube;
In second step, metal ion solution gets in the said internal layer anode tube with certain pressure and flow from the centre of said internal layer anode tube under the effect of said liquor pump from bottom to top; Said metal ion solution is ejected into the surface of said outer cathode tube inwall from said anode tube wall aperture; The concentration polarization that has destroyed cathode surface makes metals ion successfully be deposited on cathode surface; And play the said metal ion solution stirring blended effect that makes, on said outer cathode tube inwall, form elemental metals.
Beneficial effect of the present invention can be summed up as follows:
1, the solution containing metal amount that equipment of the present invention and method are got off from the desorb of continuous adsorption exchange bed only requires and reaches 5g/L that just directly electrodeposition is produced the high purity metal material.
2; The present invention can be in the application during extensive galvanic deposit is produced, and it makes hydrometallurgy with the combination that the continuous adsorption switching equipment of heavy metal sorbing material is housed; From ore to the refining electrodeposition; Its main process become if dissolve soak, purification enrichment---direct these three operations of galvanic deposit, can realize robotization, serialization, extensive chemical industry production simultaneously, can realize that again ore is low-grade; Output high-quality (is that example can reach more than 99.99% with copper), low cost of investment, high production, less energy-consumption, low-carbon emission, the friendly type new technology of low contaminate environment.
3, the present invention can effectively overcome the concentration polarization of cathode surface, thus make metals ion on negative electrode successfully reduce deposition at cathode surface.
Description of drawings
Fig. 1 is the structural representation of this equipment;
Fig. 2 is the structural representation of internal layer anode tube among the present invention.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The direct electrodeposition apparatus of a kind of cylindric jet attitude as depicted in figs. 1 and 2 comprises outer cathode tube 1, internal layer anode tube 2, feeding liquid pipe 3, discharge port 4, electrolysis liquid pool and liquor pump, and said outer cathode tube 1 is set in outside the said internal layer anode tube 2; The one end sealing of said internal layer anode tube 2, the other end is communicated with said feeding liquid pipe 3 sealings, and said feeding liquid pipe 3 is communicated to said electrolysis liquid pool through said liquor pump; Be tightly connected between the internal layer anode tube 2 of said outer cathode tube 1 near end of said feeding liquid pipe 3 and same end, the other end of said outer cathode tube 1 is communicated with said discharge port 4; Offer the anode tube wall aperture 5 that is communicated with said outer cathode tube 1 and said internal layer anode tube 2 on the said internal layer anode tube 2; Concentric setting between said outer cathode tube 1 and the said internal layer anode tube 2, the distance between the outer wall of the inwall of said outer cathode tube 1 and said internal layer anode tube 2 is 10mm-30mm, the diameter of said anode tube wall aperture 5 is 1mm-3mm; Said outer cathode tube 1 is a stainless steel, and said internal layer anode tube 2 is a titanium pipe rhodanizing material; The above row's anode tube wall aperture 5 and down the length of the said internal layer anode tube 2 between the said anode tube wall aperture 5 of row constitute galvanic deposit tube useful length, said galvanic deposit tube useful length is 0.8m-1.2m.
In the embodiment of other optimizations, said liquor pump is a peristaltic pump; Distance between the outer wall of the inwall of said outer cathode tube 1 and said internal layer anode tube 2 is 20mm; One end of said internal layer anode tube 2 is by the sealing of PVC material, and the other end also is communicated with by the sealing of PVC material with said feeding liquid pipe 3; Also be tightly connected between the internal layer anode tube 2 of said outer cathode tube 1 near end of said feeding liquid pipe 3 and same end by the PVC material.
A kind of method of using the direct electrodeposition apparatus electrodeposit metals of above-mentioned cylindric jet attitude comprises the steps:
The first step is electrically connected to power cathode and positive source, energized with said outer cathode tube 1 respectively with said internal layer anode tube 2;
In second step, metal ion solution gets in the said internal layer anode tube 2 with certain pressure and flow from the centre of said internal layer anode tube 2 under the effect of said liquor pump from bottom to top; Said metal ion solution is ejected into the surface of said outer cathode tube 1 inwall from said anode tube wall aperture 5; The concentration polarization that has destroyed cathode surface makes metals ion successfully be deposited on cathode surface; And play the said metal ion solution stirring blended effect that makes, on said outer cathode tube 1 inwall, form elemental metals.
The present invention relates to a kind of energy-efficient direct electric deposition device of novel cylindric jet attitude, can effectively overcome the concentration polarization of cathode surface, thus make metals ion on negative electrode successfully reduce deposition at cathode surface.
The direct galvanic deposit new installation of cylindric jet attitude of present embodiment, be with each galvanic deposit tube by cathode tube (outer cathode tube 1) and the tube in a concentric tube be that anode tube (internal layer anode tube 2) is formed.The material of anode tube is the rhodanizing of titanium pipe, and cathode tube is a stainless steel, and effectively long 0.8~1.2 meter in galvanic deposit tube seals with the PVC material up and down, and concentric and relative fixed is in the middle of cathode tube with negative electrode for anode, and anode and cathode spacing are 20 millimeter; Anode is an open tube, links to each other from the bottom with feeding liquid, is drilled with some apertures of 1~23 millimeter on the anode open tube; Under of the effect of metal ion solution at pump, in the middle of anode tube, get in the anode open tube with certain pressure and flow from bottom to top, liquid will be ejected into cathode surface from 1~3 millimeter aperture; Like this; At first destroyed the concentration polarization of cathode surface, made metals ion can successfully be deposited on cathode surface, it also plays the liquid agitation blended effect that makes simultaneously.Electrolytic solution flows through electrodeposition pond (being the direct electrodeposition apparatus of cylindric jet attitude) from the bottom through the peristaltic pump extracting.Between the anode in electrodeposition pond and negative electrode, switch on, metal begins to form metal sheet on negative electrode.
More than through the detailed description of concrete and preferred embodiment the present invention; But those skilled in the art should be understood that; The present invention is not limited to the above embodiment; All within spirit of the present invention and principle, any modification of being done, be equal to replacement etc., all should be included within protection scope of the present invention.
Claims (8)
1. direct electrodeposition apparatus of cylindric jet attitude, it is characterized in that: comprise outer cathode tube, internal layer anode tube, feeding liquid pipe and discharge port, said outer cathode tube is set in outside the said internal layer anode tube; The one end sealing of said internal layer anode tube, the other end is communicated with the said feeding liquid seal of tube; Be tightly connected between the internal layer anode tube of said outer cathode tube near end of said feeding liquid pipe and same end, the other end of said outer cathode tube is communicated with said discharge port; Offer the anode tube wall aperture that is communicated with said outer cathode tube and said internal layer anode tube on the said internal layer anode tube.
2. the direct electrodeposition apparatus of cylindric jet attitude according to claim 1 is characterized in that: also comprise electrolysis liquid pool and liquor pump, said feeding liquid pipe is communicated to said electrolysis liquid pool through said liquor pump.
3. the direct electrodeposition apparatus of cylindric jet attitude according to claim 2, it is characterized in that: said liquor pump is a peristaltic pump.
4. the direct electrodeposition apparatus of cylindric jet attitude according to claim 1; It is characterized in that: concentric setting between said outer cathode tube and the said internal layer anode tube; Distance between the outer wall of the inwall of said outer cathode tube and said internal layer anode tube is 10mm-30mm, and the diameter of said anode tube wall aperture is 1mm-3mm; Said outer cathode tube is a stainless steel, and said internal layer anode tube is a titanium pipe rhodanizing material.
5. the direct electrodeposition apparatus of cylindric jet attitude according to claim 4, it is characterized in that: the distance between the outer wall of the inwall of said outer cathode tube and said internal layer anode tube is 20mm.
6. the direct electrodeposition apparatus of cylindric jet attitude according to claim 1 is characterized in that: an end of said internal layer anode tube is by the sealing of PVC material, and the other end also is communicated with by the sealing of PVC material with said feeding liquid pipe; Also be tightly connected between the internal layer anode tube of said outer cathode tube near end of said feeding liquid pipe and same end by the PVC material.
7. the direct electrodeposition apparatus of cylindric jet attitude according to claim 1; It is characterized in that: the above row's anode tube wall aperture and down the length of the said internal layer anode tube between the said anode tube wall aperture of row constitute galvanic deposit tube useful length, said galvanic deposit tube useful length is 0.8m-1.2m.
8. a method of using any direct electrodeposition apparatus electrodeposit metals of a kind of said cylindric jet attitude of claim 1 to 7 is characterized in that, comprises the steps:
The first step is electrically connected to power cathode and positive source, energized respectively with said outer cathode tube and said internal layer anode tube;
In second step, metal ion solution gets in the said internal layer anode tube with certain pressure and flow from the centre of said internal layer anode tube under the effect of said liquor pump from bottom to top; Said metal ion solution is ejected into the surface of said outer cathode tube inwall from said anode tube wall aperture; The concentration polarization that has destroyed cathode surface makes metals ion successfully be deposited on cathode surface; And playing the said metal ion solution stirring blended effect that makes, electrodeposition forms the simple substance high purity metal on said outer cathode tube inwall.
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CN201210053893.7A CN102560560B (en) | 2012-03-02 | 2012-03-02 | Cylindrical jet-state direct electro-deposition device and method for using same to electrically deposite metal |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103320813A (en) * | 2013-06-09 | 2013-09-25 | 东江环保股份有限公司 | Eddy flow electrowinning tank and application thereof |
CN103361673A (en) * | 2013-07-24 | 2013-10-23 | 励福实业(江门)贵金属有限公司 | Titanium cylinder electrolysis machine |
WO2014180268A1 (en) * | 2013-05-06 | 2014-11-13 | 阳谷祥光铜业有限公司 | Ultrahigh current density electrolysis or electro-deposition groove |
CN104911638A (en) * | 2014-09-03 | 2015-09-16 | 李新华 | Direct electrodeposition equipment anode |
CN104911637A (en) * | 2014-09-02 | 2015-09-16 | 李新华 | Direct electrodeposition equipment |
CN105347443A (en) * | 2015-12-03 | 2016-02-24 | 中国农业科学院农业环境与可持续发展研究所 | Livestock and poultry breeding wastewater treatment method |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60224799A (en) * | 1984-04-23 | 1985-11-09 | Mitsubishi Heavy Ind Ltd | Treating device for dilute electrolyte solution |
CN2047266U (en) * | 1989-03-25 | 1989-11-08 | 航天工业部第七○三研究所 | Equipment for copper or silver electrolytic-recovering from dilute solution |
JPH05159038A (en) * | 1991-12-10 | 1993-06-25 | Nec Corp | Correction system for graphic in stroke input |
CN2403792Y (en) * | 2000-01-28 | 2000-11-01 | 杨聚泰 | Apparatus for auxiliary anode spraying zinc liquid electroplating steel conduit inwall |
CN1319685A (en) * | 2000-01-28 | 2001-10-31 | 杨聚泰 | Equipment and technology for electroplating steel pipe inner wall by using auxiliary anode and spray-plating zinc solution |
CN101023204B (en) * | 2004-06-16 | 2010-08-18 | 本田技研工业株式会社 | Plating apparatus |
CN201560239U (en) * | 2009-11-09 | 2010-08-25 | 广东奥美特集团有限公司 | Trace gold electrolysis recovery device |
-
2012
- 2012-03-02 CN CN201210053893.7A patent/CN102560560B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60224799A (en) * | 1984-04-23 | 1985-11-09 | Mitsubishi Heavy Ind Ltd | Treating device for dilute electrolyte solution |
CN2047266U (en) * | 1989-03-25 | 1989-11-08 | 航天工业部第七○三研究所 | Equipment for copper or silver electrolytic-recovering from dilute solution |
JPH05159038A (en) * | 1991-12-10 | 1993-06-25 | Nec Corp | Correction system for graphic in stroke input |
CN2403792Y (en) * | 2000-01-28 | 2000-11-01 | 杨聚泰 | Apparatus for auxiliary anode spraying zinc liquid electroplating steel conduit inwall |
CN1319685A (en) * | 2000-01-28 | 2001-10-31 | 杨聚泰 | Equipment and technology for electroplating steel pipe inner wall by using auxiliary anode and spray-plating zinc solution |
CN101023204B (en) * | 2004-06-16 | 2010-08-18 | 本田技研工业株式会社 | Plating apparatus |
CN201560239U (en) * | 2009-11-09 | 2010-08-25 | 广东奥美特集团有限公司 | Trace gold electrolysis recovery device |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014180268A1 (en) * | 2013-05-06 | 2014-11-13 | 阳谷祥光铜业有限公司 | Ultrahigh current density electrolysis or electro-deposition groove |
CN103320813A (en) * | 2013-06-09 | 2013-09-25 | 东江环保股份有限公司 | Eddy flow electrowinning tank and application thereof |
CN103320813B (en) * | 2013-06-09 | 2015-07-15 | 东江环保股份有限公司 | Eddy flow electrowinning tank and application thereof |
CN103361673A (en) * | 2013-07-24 | 2013-10-23 | 励福实业(江门)贵金属有限公司 | Titanium cylinder electrolysis machine |
CN103361673B (en) * | 2013-07-24 | 2016-02-17 | 励福(江门)环保科技股份有限公司 | Titanium cylinder electrolysis machine |
CN104911637A (en) * | 2014-09-02 | 2015-09-16 | 李新华 | Direct electrodeposition equipment |
CN104911637B (en) * | 2014-09-02 | 2017-08-08 | 李新华 | A kind of direct electrodeposition apparatus |
CN104911638A (en) * | 2014-09-03 | 2015-09-16 | 李新华 | Direct electrodeposition equipment anode |
CN105347443A (en) * | 2015-12-03 | 2016-02-24 | 中国农业科学院农业环境与可持续发展研究所 | Livestock and poultry breeding wastewater treatment method |
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