CN108707932A - It can make the device and method of copper powder automatic powder discharging in a kind of electrolytic process - Google Patents
It can make the device and method of copper powder automatic powder discharging in a kind of electrolytic process Download PDFInfo
- Publication number
- CN108707932A CN108707932A CN201810886894.7A CN201810886894A CN108707932A CN 108707932 A CN108707932 A CN 108707932A CN 201810886894 A CN201810886894 A CN 201810886894A CN 108707932 A CN108707932 A CN 108707932A
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- China
- Prior art keywords
- copper coin
- electrode copper
- power distribution
- electrolytic process
- distribution cabinet
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C5/00—Electrolytic production, recovery or refining of metal powders or porous metal masses
- C25C5/02—Electrolytic production, recovery or refining of metal powders or porous metal masses from solutions
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
- C25C7/08—Separating of deposited metals from the cathode
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses the device and methods that can make copper powder automatic powder discharging in a kind of electrolytic process, it includes the electrolytic cell equipped with electrolyte, the top of electrolytic cell is equipped with more parallel conducting rods, conducting rod is connect from the connection of rectification power distribution cabinet and adjacent conducting rod electric current different with rectification power distribution cabinet pole for providing regular direction switching current, the lower section level that identical electrode copper coin and every piece of electrode copper coin are hung on every conducting rod is equipped with gas flow tube, is uniformly provided with multiple gas holes at the top of gas flow tube and gas flow tube is connect with the nitrogen appendix being vertically arranged.Cathode and anode of the present invention are all made of electrode copper coin, without making dedicated cathode, by rectification power distribution cabinet the polarity of electrode copper coin is correspondingly converted automatically in electrolytic process, and for the automatic stripping of the copper powder on cathode electrode copper coin before using the mode of filling nitrogen stripping that will convert, treatment process is simple, easily operated, high degree of automation, the adverse effect of human factor is can effectively avoid, shedding effect is good.
Description
Technical field
The invention belongs to powder metallurgical technologies, and in particular to can make the dress of copper powder automatic powder discharging in a kind of electrolytic process
It sets and method.
Background technology
Copper powder is one of China's production and the maximum nonferrous metal powder of consumption, and electrolytic copper powder is due to flourishing tree
Dendritic morphology, good suppression performance, and it is widely used in the industry fields such as friction material, diamond tool, powder metallurgy.
In the prior art using containing sour copper-bath, as electrolyte, cathode uses special light in the production process of electrolytic copper powder
Bright copper coin, cathode is insoluble in electrolytic process, and anode is using the copper coin or casting in bronze plate after shearing, by controlling current density from cathode
Upper acquisition electrolytic copper powder, domestic electrolytic copper powder manufacturing enterprise is big by the way of regular artificial brush dust for a long time, periodically will be cloudy
Extremely upper copper powder scrapes.After the nineties in last century, China starts to use machine using Chongqing Smelter as the copper powder manufacturing enterprise of representative
The mode of tool brush dust substitutes artificial brush dust, but since equipment operation site environment limits, and the reliability of equipment, stability are by shadow
It rings, fails effectively to be promoted always.In addition, cathode and anode difference in existing copper powder preparation process, need to make specially
Cathode, complex process, manual brush dust human factor influence big.
Invention content
The purpose of the present invention is to solve the technical problems existing in the prior art, provide it is a kind of it is simple in structure, be easy to
Operation, high degree of automation, human factor influence the dress that can make copper powder automatic powder discharging in electrolytic process small and that shedding effect is good
It sets.
It is a further object to provide a kind of methods that can make copper powder automatic powder discharging in electrolytic process.
In order to achieve the above object, the present invention uses following technical scheme：Copper powder can be made to fall automatically in a kind of electrolytic process
The device of powder, includes the electrolytic cell equipped with electrolyte, and the top of the electrolytic cell is equipped with more parallel conducting rods, the conduction
Bar and the connection of rectification power distribution cabinet and the different electric currents of adjacent conducting rod and rectification power distribution cabinet that regular direction switching current is provided
Pole connects, and the lower section that identical electrode copper coin and every piece of electrode copper coin are hung on every conducting rod is horizontal equipped with air-flow
It manages, is uniformly provided with multiple gas holes at the top of the gas flow tube and gas flow tube is connect with the nitrogen appendix being vertically arranged.
Further, the nitrogen appendix is equipped with nitrogen air volume regulating valve.
Further, the size of the electrode copper coin is 550 × 520mm.
Further, the conducting rod is 12.
It can make the method for copper powder automatic powder discharging in a kind of electrolytic process, this approach includes the following steps：
A, copper coin shearing is fabricated to the electrode copper coin that size is 550 × 520mm, and the electrode copper coin after completing point
It is not fixed on conducting rod；
B, electrode copper coin is placed in electrolytic cell, electrolyte is filled in electrolytic cell and makes electrolyte automatic overflow to fluid reservoir
In；
C, adjacent conducting rod electric current different from rectification power distribution cabinet pole is connected, it is that electrolytic cell is passed through electricity to open rectification power distribution cabinet
It flows, rectification power distribution cabinet is primary per converting current direction automatically within 50-60 minutes in electrolytic process, so that the pole of electrode copper coin
Property correspondingly converts automatically；
D, for the dipole inversion of each electrode copper coin after 2 minutes, it is the corresponding nitrogen tolerance of cathode electrode copper coin that it is preceding, which to open conversion,
Regulating valve, by gas hole to electrode copper coin blow pressure contracting nitrogen 1-2 minutes for cathode before conversion, by the copper powder on electrode copper coin
Automatic stripping.
Further, electrolyte is the copper-bath containing acid, concentration of electrolyte Cu in the step B2+ 7-9g/L、
H2SO4 140.0 g/L。
Further, rectification power distribution cabinet is that current density is 1600A/m when electrolytic cell is passed through electric current in the step C2。
Further, nitrogen pressure is 0.25-0.40MPa when blowing in the step D.
The present invention has the advantages that compared with the prior art：It can make copper powder automatic powder discharging in electrolytic process of the present invention
Device cathode is identical with anode, is all made of the electrode copper coin after shearing as material, without making dedicated cathode, electrolytic process
In by providing the rectification power distribution cabinet of regular direction switching current current direction is periodically converted automatically so that electrode copper
The polarity of plate correspondingly converts automatically, and cathode before is converted to anode, and anode before is converted to cathode, is before converting at this time
Copper powder on cathode electrode copper coin starts shedding off, and to make copper powder fast-falling, will be turned by the way of filling compressed nitrogen stripping
For the copper powder on cathode electrode copper coin, quick stripping falls into electrolytic cell automatically before changing, and treatment process is simple, easily operated, automation
Degree is high, can effectively avoid the adverse effect of human factor, shedding effect is good, and greatly reduces cost of labor.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Reference numeral meaning of the present invention is as follows：1, electrolytic cell；2, conducting rod；3, electrode copper coin；4, gas flow tube；5, it blows
Hole；6, nitrogen appendix；7, nitrogen air volume regulating valve.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
Include the electrolytic cell equipped with electrolyte as shown in Figure 1, the device of copper powder automatic powder discharging can be made in a kind of electrolytic process
1, the top of electrolytic cell 1 is equipped with 12 parallel conducting rods 2, conducting rod 2 and the rectification distribution for providing regular direction switching current
Cabinet connects and the adjacent electric current different from rectification power distribution cabinet of conducting rod 2 pole connection, is hung on every conducting rod 2 identical
The size of electrode copper coin 3, electrode copper coin 3 is 550 × 520mm, and the lower section of every piece of electrode copper coin 3 is horizontal to be equipped with gas flow tube 4, gas
The top of flow tube 4 is uniformly provided with multiple gas holes 5 and gas flow tube 4 is connect with the nitrogen appendix 6 being vertically arranged, nitrogen appendix
6 are equipped with nitrogen air volume regulating valve 7.
Specific operation process includes the following steps：
A, copper coin shearing is fabricated to the electrode copper coin 3 that size is 550 × 520mm, and the electrode copper coin 3 after completing
It is separately fixed on conducting rod 2.
B, electrode copper coin 3 is placed in electrolytic cell 1, electrolyte is filled in electrolytic cell 1 and makes electrolyte automatic overflow
Into fluid reservoir, electrolyte is the copper-bath containing acid, concentration of electrolyte Cu2+ 7-9g/L、H2SO4 140.0 g/L。
C, the adjacent electric current different from rectification power distribution cabinet of conducting rod 2 pole is connected, unlatching rectification power distribution cabinet is electrolytic cell 1
It is passed through electric current, current density 1600A/m2, rectification power distribution cabinet per converting current direction in 50-60 minutes automatically in electrolytic process
Once, so that the polarity of electrode copper coin 3 correspondingly converts automatically.
D, for the dipole inversion of each electrode copper coin 3 after 2 minutes, it is 3 corresponding nitrogen of cathode electrode copper coin that it is preceding, which to open conversion,
Gas air volume regulating valve 7, by gas hole 5 to blowing compressed nitrogen 1-2 minutes for the electrode copper coin 3 of cathode before conversion, nitrogen when air blowing
Atmospheric pressure is 0.25-0.40MPa, by the automatic stripping of copper powder on electrode copper coin 3.
By the above method, after being electrolysed 8 hours, rectification power distribution cabinet is closed, powder is put in parking, checks that electrode copper coin 3 finds electricity
3 surface-brightening of pole copper coin, no copper powder residual.
Claims (8)
- Include the electrolytic cell equipped with electrolyte 1. the device of copper powder automatic powder discharging can be made in a kind of electrolytic process（1）, the electrolysis Slot（1）Top be equipped with more parallel conducting rods（2）, it is characterised in that：The conducting rod（2）It is converted with regular direction is provided The rectification power distribution cabinet of electric current connects and adjacent conducting rod（2）Electric current different from rectification power distribution cabinet pole connects, every conducting rod （2）On be hung with identical electrode copper coin（3）And every piece of electrode copper coin（3）Lower section horizontal be equipped with gas flow tube（4）, described Gas flow tube（4）Top be uniformly provided with multiple gas holes（5）And gas flow tube（4）With the nitrogen appendix being vertically arranged（6）Connection.
- 2. the device of copper powder automatic powder discharging can be made in a kind of electrolytic process according to claim 1, it is characterised in that：It is described Nitrogen appendix（6）It is equipped with nitrogen air volume regulating valve（7）.
- 3. the device of copper powder automatic powder discharging can be made in a kind of electrolytic process according to claim 1, it is characterised in that：It is described Electrode copper coin（3）Size be 550 × 520mm.
- 4. the device of copper powder automatic powder discharging can be made in a kind of electrolytic process according to claim 1, it is characterised in that：It is described Conducting rod（2）It is 12.
- 5. the method for copper powder automatic powder discharging can be made in a kind of electrolytic process, it is characterised in that this approach includes the following steps：A, copper coin shearing is fabricated to the electrode copper coin that size is 550 × 520mm（3）, and by the electrode copper after completing Plate（3）It is separately fixed at conducting rod（2）On；B, by electrode copper coin（3）It is placed on electrolytic cell（1）It is interior, in electrolytic cell（1）It inside fills electrolyte and electrolyte is made to overflow automatically It flow in fluid reservoir；C, by adjacent conducting rod（2）Electric current different from rectification power distribution cabinet pole connects, and unlatching rectification power distribution cabinet is electrolytic cell（1） It is passed through electric current, rectification power distribution cabinet is primary per converting current direction automatically within 50-60 minutes in electrolytic process, so that electrode copper Plate（3）Polarity correspondingly convert automatically；D, each electrode copper coin（3）Dipole inversion after 2 minutes, it is cathode electrode copper coin to open before conversion（3）Corresponding nitrogen Gas air volume regulating valve（7）, pass through gas hole（5）It is the electrode copper coin of cathode before to conversion（3）Blow compressed nitrogen 1-2 minutes, it will Electrode copper coin（3）On the automatic stripping of copper powder.
- 6. the method for copper powder automatic powder discharging can be made in a kind of electrolytic process according to claim 5, it is characterised in that：It is described Electrolyte is the copper-bath containing acid, concentration of electrolyte Cu in step B2+ 7-9g/L、H2SO4 140.0 g/L。
- 7. the method for copper powder automatic powder discharging can be made in a kind of electrolytic process according to claim 5, it is characterised in that：It is described Rectification power distribution cabinet is that current density is 1600A/m when electrolytic cell is passed through electric current in step C2。
- 8. the method for copper powder automatic powder discharging can be made in a kind of electrolytic process according to claim 5, it is characterised in that：It is described Nitrogen pressure is 0.25-0.40MPa when blowing in step D.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810886894.7A CN108707932A (en) | 2018-08-06 | 2018-08-06 | It can make the device and method of copper powder automatic powder discharging in a kind of electrolytic process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810886894.7A CN108707932A (en) | 2018-08-06 | 2018-08-06 | It can make the device and method of copper powder automatic powder discharging in a kind of electrolytic process |
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| CN108707932A true CN108707932A (en) | 2018-10-26 |
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| CN201810886894.7A Pending CN108707932A (en) | 2018-08-06 | 2018-08-06 | It can make the device and method of copper powder automatic powder discharging in a kind of electrolytic process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111876794A (en) * | 2020-07-20 | 2020-11-03 | 有研粉末新材料股份有限公司 | Negative plate combined structure, electrolysis device and copper powder preparation method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB673204A (en) * | 1950-02-04 | 1952-06-04 | Birmingham Small Arms Co Ltd | Improvements in or relating to the production of metallic powders |
| KR20080074264A (en) * | 2007-02-08 | 2008-08-13 | 김종배 | A manufacturing equipment of nano-silver |
| CN101333600A (en) * | 2007-06-28 | 2008-12-31 | 上海奇谋能源技术开发有限公司 | Process for recovering copper in waste and old circuit board by sand-blast process |
| CN102134729A (en) * | 2011-03-02 | 2011-07-27 | 哈尔滨六环涂料化工有限公司 | Method for preparing copper powder via electrolytic self-desorption |
| CN102362010A (en) * | 2009-03-20 | 2012-02-22 | 内诺技术有限公司 | Method for obtaining copper powders and nanopowders from industrial electrolytes including waste industrial electrolytes |
| CN105441989A (en) * | 2015-11-26 | 2016-03-30 | 有研粉末新材料（北京）有限公司 | Method for making electrolytic copper powder fall off from negative plates easily |
| CN208791786U (en) * | 2018-08-06 | 2019-04-26 | 金川集团股份有限公司 | It can make the device of copper powder automatic powder discharging in a kind of electrolytic process |
-
2018
- 2018-08-06 CN CN201810886894.7A patent/CN108707932A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB673204A (en) * | 1950-02-04 | 1952-06-04 | Birmingham Small Arms Co Ltd | Improvements in or relating to the production of metallic powders |
| KR20080074264A (en) * | 2007-02-08 | 2008-08-13 | 김종배 | A manufacturing equipment of nano-silver |
| CN101333600A (en) * | 2007-06-28 | 2008-12-31 | 上海奇谋能源技术开发有限公司 | Process for recovering copper in waste and old circuit board by sand-blast process |
| CN102362010A (en) * | 2009-03-20 | 2012-02-22 | 内诺技术有限公司 | Method for obtaining copper powders and nanopowders from industrial electrolytes including waste industrial electrolytes |
| CN102134729A (en) * | 2011-03-02 | 2011-07-27 | 哈尔滨六环涂料化工有限公司 | Method for preparing copper powder via electrolytic self-desorption |
| CN105441989A (en) * | 2015-11-26 | 2016-03-30 | 有研粉末新材料（北京）有限公司 | Method for making electrolytic copper powder fall off from negative plates easily |
| CN208791786U (en) * | 2018-08-06 | 2019-04-26 | 金川集团股份有限公司 | It can make the device of copper powder automatic powder discharging in a kind of electrolytic process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111876794A (en) * | 2020-07-20 | 2020-11-03 | 有研粉末新材料股份有限公司 | Negative plate combined structure, electrolysis device and copper powder preparation method |
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