CN104032333A - High-current-efficiency magnesium electrolytic cell with double magnesium-collecting chambers - Google Patents
High-current-efficiency magnesium electrolytic cell with double magnesium-collecting chambers Download PDFInfo
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- CN104032333A CN104032333A CN201410270112.9A CN201410270112A CN104032333A CN 104032333 A CN104032333 A CN 104032333A CN 201410270112 A CN201410270112 A CN 201410270112A CN 104032333 A CN104032333 A CN 104032333A
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Abstract
The invention relates to a high-current-efficiency magnesium electrolytic cell with double magnesium-collecting chambers. The high-current-efficiency magnesium electrolytic cell is characterized by comprising a cathode plate, an anode plate and two magnesium-collecting chambers, wherein the two magnesium-collecting chambers are respectively arranged on both sides of the cathode plate and the anode plate, and the two magnesium-collecting chambers are symmetrically distributed. According to the high-current-efficiency magnesium electrolytic cell disclosed by the invention, the structure of a traditional magnesium electrolytic cell is changed, the two symmetrical magnesium-collecting chambers are adopted and arranged in a mode of allowing a cathode and an anode to be inserted upwards or downwards. According to the high-current-efficiency magnesium electrolytic cell, the electrolyte flow condition of the magnesium electrolytic cell is changed, the flow characteristics of electrolyte is sufficiently utilized, and the separation efficiency of metallic magnesium is improved. Compared with original cell models, the high-current-efficiency magnesium electrolytic cell has the advantages that the metallic magnesium separation efficiency is greatly improved, and the effect is obvious.
Description
[technical field]
The present invention relates to cell technologies field, specifically, is the closing down magnesium electrolysis bath of the two collection of a kind of high current efficiency magnesium chamber.
[background technology]
Magnesium is the lightest non-ferrous metal, can be good at forming high-intensity alloy with other metal, and the castability of constantly improving makes its Application Areas more and more wider, is useful the supplementing of conventional aluminum alloy etc.In the U.S., there is explosive growth in fields such as consumer electronics, automobile, medical treatment in magnesium alloy, has greatly the gesture of the conventional alloys such as substitution of Al alloy.Magnesium not only enjoys expectation as lightweight material, also as the electrode structure material of magnesium fuel cell, has important application at battery industry.
China is magnesium resource big country, Ye Shi MAGNESIUM METAL big producing country, but production method is mainly taking Pidgeon process as main.State's internal electrolysis production process equipment is backward, grooved is little, current efficiency and production efficiency is low, energy consumption is high.External electrolyzer strength of current is large by contrast, and level of automation is high, and unit surface MAGNESIUM METAL output is high, and power consumption is low.The current efficiency without Separating Plate Magnesium Electrolysis Cells of China's operation is at present low, and only in 76～78% left and right, MAGNESIUM METAL separation efficiency is low, and whole magnesium eletrolysis industry is huge with external gap.
Based on the research to advanced magnesium eletrolysis technique, design possess lower power intake, the electrolyzer of high MAGNESIUM METAL separation rate.Exploitation simultaneously has the magnesium eletrolysis gordian technique of China's independent intellectual property right, further organically combine with gas chemical industry, form the industry chain of circular economy that every resources such as magnesium, gas chemical industry are mutually relied on, supported mutually, reach the maximization of the utilization of resources and the optimizing of economic benefit.
[summary of the invention]
The object of the invention is to overcome the deficiencies in the prior art, the closing down magnesium electrolysis bath of the two collection of a kind of high current efficiency magnesium chamber is provided.
The object of the invention is to be achieved through the following technical solutions:
A closing down magnesium electrolysis bath for the two collection of high current efficiency magnesium chamber, closing down magnesium electrolysis bath comprises negative plate, positive plate and collection magnesium chamber, the number of collection magnesium chamber is two, is separately positioned on the both sides of negative plate and positive plate, and two collection magnesium chambers are symmetric.
Described negative plate and positive plate spacing are 0.03～0.08m.
Described negative plate is inserted into closing down magnesium electrolysis bath from electrolyzer top or bottom.
Described positive plate is inserted into closing down magnesium electrolysis bath from electrolyzer top or bottom.
Described negative plate and the width of positive plate and highly identical.
The scope of described negative plate and the width of positive plate is 0.9～1.6m
The scope of described negative plate and the height of positive plate is 2.0～3.0m
The thickness of described negative plate is 0.05～0.15m.
The thickness of described positive plate is 0.15～0.25m.
Compared with prior art, positively effect of the present invention is:
The present invention has changed the structure of traditional closing down magnesium electrolysis bath, adopts two symmetrical collection magnesium chambers, takes the method for slotting or lower slotting cathode and anode between two collection magnesium chambers.This structural modification the electrolyte flow situation of closing down magnesium electrolysis bath, take full advantage of electrolytical flow characteristics, improved the separation efficiency of MAGNESIUM METAL.Compared with former grooved, the MAGNESIUM METAL separation efficiency of efficient two collection magnesium chamber electrolyzer significantly improves, successful.
[brief description of the drawings]
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is prototype magnesium electrolytic-bath structure schematic diagram; A is outside drawing, and b is cross sectional representation
Fig. 2 is efficient two collection magnesium chamber cell construction schematic diagram; A is outside drawing, and b is cross sectional representation
Fig. 3 is the former grooved Flow Field Distribution of closing down magnesium electrolysis bath schematic diagram;
Fig. 4 is efficient two collection magnesium chamber electrolyzer Flow Field Distribution schematic diagram;
Fig. 5 is the former grooved MAGNESIUM METAL of closing down magnesium electrolysis bath flow schematic diagram;
Fig. 6 is efficient two collection magnesium chamber electrolyzer MAGNESIUM METAL flow schematic diagram;
Label in accompanying drawing is respectively: 1, anode, 2, negative electrode, 3, tank room, 4, collection magnesium chamber
[embodiment]
The embodiment of the closing down magnesium electrolysis bath of the two collection of a kind of high current efficiency of the present invention magnesium chamber is below provided.
Embodiment 1
Refer to accompanying drawing 2, a kind of efficient two magnesium chamber cell construction basic elements of character that integrate are as anode 1, negative electrode 2, tank room 3 and two collection magnesium chambers 4.Described negative plate and positive plate spacing are 0.07m, and negative electrode and anode are inserted into closing down magnesium electrolysis bath from electrolyzer top, the width of negative electrode and anode and highly identical, and width is 1m, is highly 2.2m, and negative plate thickness is 0.05m, and positive plate thickness is 0.15m.
By electric field, thermal field, magnetic field, flow field analysis, upper slotting cathode type closing down magnesium electrolysis bath thermal equilibrium is good,
Electrolyte temperature is 700 DEG C, and electrolyte flow is in good condition, and MAGNESIUM METAL separation rate significantly promotes.Calculate electrolyzer Flow Field Distribution as Fig. 4: the mobility status of MAGNESIUM METAL is as Fig. 6:
Efficient two collection magnesium chamber electrolyzers as figure shows, MAGNESIUM METAL is along with ionogen flows into respectively two symmetrical collection magnesium chambers, left and right, and finally collects in the electrolyte levels of collection magnesium chamber.Almost do not have in MAGNESIUM METAL tank room, MAGNESIUM METAL separation rate is high.
Comparative example 1
Refer to accompanying drawing 1, prototype magnesium electrolytic-bath structure basic element of character anode 1, negative electrode 2, tank room 3 and collection magnesium chamber 4.
Compared with former grooved, efficient two collection magnesium chamber electrolyzer thermal equilibrium is good, and electrolyte temperature is controlled at 700 DEG C up and down, and basic technology parameter remains stable.Simultaneously MAGNESIUM METAL flash liberation rate is increased to 96% from 17%, and separation efficiency significantly improves.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (9)
1. a closing down magnesium electrolysis bath for the two collection of high current efficiency magnesium chamber, is characterized in that, closing down magnesium electrolysis bath comprises negative plate, positive plate and collection magnesium chamber, and the number of collection magnesium chamber is two, is separately positioned on the both sides of negative plate and positive plate, and two collection magnesium chambers are symmetric.
2. the closing down magnesium electrolysis bath of the two collection of a kind of high current efficiency as claimed in claim 1 magnesium chamber, is characterized in that, described negative plate and positive plate spacing are 0.03～0.08m.
3. the closing down magnesium electrolysis bath of the two collection of a kind of high current efficiency as claimed in claim 1 magnesium chamber, is characterized in that, described negative plate is inserted into closing down magnesium electrolysis bath from electrolyzer top or bottom.
4. the closing down magnesium electrolysis bath of the two collection of a kind of high current efficiency as claimed in claim 1 magnesium chamber, is characterized in that, described positive plate is inserted into closing down magnesium electrolysis bath from electrolyzer top or bottom.
5. the closing down magnesium electrolysis bath of the two collection of a kind of high current efficiency as claimed in claim 1 magnesium chamber, is characterized in that described negative plate and the width of positive plate and highly identical.
6. the closing down magnesium electrolysis bath of the two collection of a kind of high current efficiency as claimed in claim 1 magnesium chamber, is characterized in that, the scope of described negative plate and the width of positive plate is 0.9～1.6m.
7. the closing down magnesium electrolysis bath of the two collection of a kind of high current efficiency as claimed in claim 1 magnesium chamber, is characterized in that, the scope of described negative plate and the height of positive plate is 2.0～3.0m.
8. the closing down magnesium electrolysis bath of the two collection of a kind of high current efficiency as claimed in claim 1 magnesium chamber, is characterized in that, the thickness of described negative plate is 0.05～0.15m.
9. the closing down magnesium electrolysis bath of the two collection of a kind of high current efficiency as claimed in claim 1 magnesium chamber, is characterized in that, the thickness of described positive plate is 0.15～0.25m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410270112.9A CN104032333B (en) | 2014-06-17 | 2014-06-17 | A kind of closing down magnesium electrolysis bath of high current efficiency double collection magnesium room |
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| CN201410270112.9A CN104032333B (en) | 2014-06-17 | 2014-06-17 | A kind of closing down magnesium electrolysis bath of high current efficiency double collection magnesium room |
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| CN104032333A true CN104032333A (en) | 2014-09-10 |
| CN104032333B CN104032333B (en) | 2016-09-21 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU507669A1 (en) * | 1974-09-06 | 1976-03-25 | Всесоюзный научно-исследовательский и проектный институт алюминиевой, магниевой и электродной промышленности | Electrolyzer to get magnesium |
| US4058448A (en) * | 1976-06-23 | 1977-11-15 | Muzhzhavlev Konstantin Dmitrie | Diaphragmless electrolyzer for producing magnesium and chlorine |
| CN1807697A (en) * | 2005-12-28 | 2006-07-26 | 中国科学院长春应用化学研究所 | Process for preparing rare earth-magnesium intermediate alloy by compound cathode molten salt electrolysis |
| CN200955069Y (en) * | 2006-06-14 | 2007-10-03 | 贵阳铝镁设计研究院 | Magnesium-guide-tank type magnesium electrolytic tank |
| TW201418524A (en) * | 2012-11-05 | 2014-05-16 | Univ Nat Yunlin Sci & Tech | Apparatus and method for electrolytically producing magnesium |
-
2014
- 2014-06-17 CN CN201410270112.9A patent/CN104032333B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU507669A1 (en) * | 1974-09-06 | 1976-03-25 | Всесоюзный научно-исследовательский и проектный институт алюминиевой, магниевой и электродной промышленности | Electrolyzer to get magnesium |
| US4058448A (en) * | 1976-06-23 | 1977-11-15 | Muzhzhavlev Konstantin Dmitrie | Diaphragmless electrolyzer for producing magnesium and chlorine |
| CN1807697A (en) * | 2005-12-28 | 2006-07-26 | 中国科学院长春应用化学研究所 | Process for preparing rare earth-magnesium intermediate alloy by compound cathode molten salt electrolysis |
| CN200955069Y (en) * | 2006-06-14 | 2007-10-03 | 贵阳铝镁设计研究院 | Magnesium-guide-tank type magnesium electrolytic tank |
| TW201418524A (en) * | 2012-11-05 | 2014-05-16 | Univ Nat Yunlin Sci & Tech | Apparatus and method for electrolytically producing magnesium |
Non-Patent Citations (3)
| Title |
|---|
| 上海第二冶炼厂: "7500安培无隔板工业镁电解槽试验研究(上)", 《轻金属》 * |
| 斯杰法纽克著: "《镁冶金学》", 31 December 1989, 沈阳：东北工学院出版社 * |
| 沙录昌: "氧化镁直接电解制取金属镁的槽型和工艺研究", 《轻金属》 * |
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| CN104032333B (en) | 2016-09-21 |
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