CN101413135A - Electrode lead for electrolyzing metal gallium - Google Patents
Electrode lead for electrolyzing metal gallium Download PDFInfo
- Publication number
- CN101413135A CN101413135A CNA2008101556828A CN200810155682A CN101413135A CN 101413135 A CN101413135 A CN 101413135A CN A2008101556828 A CNA2008101556828 A CN A2008101556828A CN 200810155682 A CN200810155682 A CN 200810155682A CN 101413135 A CN101413135 A CN 101413135A
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- China
- Prior art keywords
- gallium
- metal gallium
- lead wire
- lead
- solid
- 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.)
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- 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
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- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses an electrode lead wire used in the process of gallium metal electrolysis, which is made of solid gallium metal, wherein a lead wire of the solid gallium metal is provided with a cooling device which is a cooling fluid circulating cooling device. The design uses the solid gallium metal as the lead wire of a liquid gallium electrode to solve the problem that the liquid gallium erodes various metal material lead wires; and with the solid gallium metal lead wire, the pollution caused by nickel to refined gallium is thoroughly eliminated. While greatly improving the electrolysis refining effect, the electrode lead wire greatly reduces the production cost and reduces the consumption of noble metals such as platinum.
Description
Technical field
The present invention relates to a kind of electrolysis electrode lead-in wire, the contact conductor that uses when relating in particular to a kind of electrolytic metal gallium.
Background technology
During the electrorefining gallium,, no matter be raw material gallium or refined gallium because the fusing point of gallium is lower, all liquid state in electrolyzer, the introducing of Faradaic current must be sought suitable material, otherwise will the severe contamination refined gallium, because liquid gallium all has very strong aggressiveness to various metals.
Method commonly used is to introduce the contact conductor of another kind of material as it.When using stainless material to make contact conductor, select nickel chromium stainless steel mostly for use, so in electrolytic process, introduce other some impurity easily.Usually the electrolysis gallium all is to adopt metal platinum as lead-in wire, and usually being mistaken as platinum is as electrolysis electrode, though platinum also can be used as the electrode of electrolysis gallium, but easy oxidized blackout, and producing a large amount of hydrogen and oxygen, electrolytic efficiency is very low.Through life-time service, find all can be corroded as the anodic platinized platinum with as the platinized platinum of negative electrode.If the platinum lead-in wire is isolated with the plastics tubing protection by the part of electrolytic solution; the platinum lead-in wire is contacted with electrolytic solution, make platinum only play the lead-in wire effect of carrying electric current to liquid gallium, find to immerse the platinum of liquid gallium part; after after a while, the obvious corrosion phenomenon is arranged still.
Long-term with the process of platinum as lead-in wire in, electrorefining is effectively to gallium-purifying, all metallic impurity can be removed to except that nickel below the limit that glow discharge mass spectrometry detects.Analyze through the contriver, qualification nickel comes from the platinum lead-in wire probably, because the residue that platinum is smelted from nickel mostly, the nickel that contains trace in the platinum is also just not at all surprising, even if with purity be 99.9% platinum as lead-in wire, for the preparation high purity gallium, also be very impure.Use the platinum electrode lead-in wire simultaneously, take more fund, increased production cost.
Summary of the invention:
The objective of the invention is to overcome above-mentioned deficiency, the contact conductor that uses when a kind of electrolytic metal gallium is provided.
Technical scheme of the present invention is as follows: the contact conductor that uses during a kind of electrolytic metal gallium, described contact conductor is made by the solid metal gallium.
Described solid metal gallium lead-in wire is provided with refrigerating unit.
Described refrigerating unit is the liquid circulation refrigerating unit.
Described solid metal gallium lead-in wire and refrigerating unit outside thereof are provided with disrupter, are used for isolating with electrolytic solution.
The beneficial effect that the present invention compared with prior art has is: design has solved the etching problem of liquid gallium to various metallic substance lead-in wires with the lead-in wire of solid-state gallium as the liquid gallium electrode; The pollution of nickel to refined gallium thoroughly eliminated in the use of solid metal gallium lead-in wire; The present invention greatly reduces production cost when increasing substantially the electrorefining effect, reduced consumption of noble metals such as platinum.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
Embodiment:
Below in conjunction with the drawings and specific embodiments the present invention is described in detail.
Embodiment 1: as shown in Figure 1, the electrolyzer that the electrolysis gallium is adopted, positive electricity polar region 1, negative electricity polar region 6 by electrode district dividing plate 7 separately, positive electricity polar region 1, place the gallium for the treatment of refining in the negative electricity polar region 6 respectively, refined gallium, insert the anodic-cathodic lead in the electrolytic solution 2 respectively, electrode cable is made by solid metal gallium 4, solid metal gallium 4 outsides are provided with refrigerating unit 5, refrigerating unit 5 flows by liquid circulation solid metal gallium 4 is implemented cooling, keep the solid gallium form, because the fusing point of gallium is 30 ℃, so the solid gallium that 50 ℃ liquid gallium electrode contacts in the time of must making with electrolysis lead-in wire remains under the strong refrigerated environment for a long time, the temperature that makes solid gallium is all the time below 25 ℃.Solid metal gallium 4 and refrigerating unit 5 outsides are provided with plastic barrier sleeve 3, and solid metal gallium 4 and refrigerating unit 5 and electrolytic solution 2 are isolated.The present invention has solved the etching problem of liquid gallium to various metallic substance lead-in wires with the lead-in wire of solid-state gallium as the liquid gallium electrode; The pollution of nickel to refined gallium thoroughly eliminated in the use of solid metal gallium lead-in wire, and in conjunction with other technologies, the content that can produce 76 kinds of elements that can detect with glow discharge spectrometry is the gallium of the extreme high purity below detection limit all; The present invention greatly reduces production cost when increasing substantially the electrorefining effect, reduced consumption of noble metals such as platinum.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the protection domain of requirement of the present invention.
Claims (4)
1. the contact conductor that uses during an electrolytic metal gallium is characterized in that described contact conductor made by the solid metal gallium.
2. the contact conductor that uses during a kind of electrolytic metal gallium according to claim 1 is characterized in that described solid metal gallium lead-in wire is provided with refrigerating unit.
3. the contact conductor that uses during a kind of electrolytic metal gallium according to claim 2 is characterized in that described refrigerating unit is the liquid circulation refrigerating unit.
4. the contact conductor that uses during a kind of electrolytic metal gallium according to claim 1 is characterized in that described solid metal gallium lead-in wire and refrigerating unit outside thereof are provided with disrupter, are used for isolating with electrolytic solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101556828A CN101413135A (en) | 2008-10-29 | 2008-10-29 | Electrode lead for electrolyzing metal gallium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101556828A CN101413135A (en) | 2008-10-29 | 2008-10-29 | Electrode lead for electrolyzing metal gallium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101413135A true CN101413135A (en) | 2009-04-22 |
Family
ID=40593865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101556828A Pending CN101413135A (en) | 2008-10-29 | 2008-10-29 | Electrode lead for electrolyzing metal gallium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101413135A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011142A (en) * | 2010-12-09 | 2011-04-13 | 中国铝业股份有限公司 | Gallium electrolytic refining method |
| CN104611732A (en) * | 2015-02-15 | 2015-05-13 | 攀钢集团攀枝花钢铁研究院有限公司 | Air cooling cathode, molten salt electrolyzer and electrolysis method |
-
2008
- 2008-10-29 CN CNA2008101556828A patent/CN101413135A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011142A (en) * | 2010-12-09 | 2011-04-13 | 中国铝业股份有限公司 | Gallium electrolytic refining method |
| CN104611732A (en) * | 2015-02-15 | 2015-05-13 | 攀钢集团攀枝花钢铁研究院有限公司 | Air cooling cathode, molten salt electrolyzer and electrolysis method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20090422 |