CN104328458B - A kind of high yield and saving energy re metal electrolyzing stove - Google Patents
A kind of high yield and saving energy re metal electrolyzing stove Download PDFInfo
- Publication number
- CN104328458B CN104328458B CN201410658625.7A CN201410658625A CN104328458B CN 104328458 B CN104328458 B CN 104328458B CN 201410658625 A CN201410658625 A CN 201410658625A CN 104328458 B CN104328458 B CN 104328458B
- Authority
- CN
- China
- Prior art keywords
- graphite
- cover plate
- stove
- steel bushing
- graphite cuvette
- 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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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/34—Electrolytic production, recovery or refining of metals by electrolysis of melts of metals not provided for in groups C25C3/02 - C25C3/32
-
- 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
Abstract
The invention discloses a kind of high yield and saving energy re metal electrolyzing stove, is made of cathode, graphite anode, electrolyte, graphite cuvette, crucible, interior steel bushing, outer steel sleeve, packing layer, diamantane and furnace panel etc..The present invention has the characteristics that brickwork cost is low, service life is long, thermal balance is good, product impurity content is few, yield is high, energy saving, easy to operation.
Description
Technical field
The present invention relates to a kind of high yield and saving energy re metal electrolyzing stove.
Background technology
Native electrolytic furnace is the capital equipment that re metal electrolyzing method uses.Produced at present with oxide electrolyte electrolysis dilute
The electrolytic furnace of earth metal and its alloy, says the electrolysis of 4000A, 6000A, 10000A, 25000A, 30000A electric current from scale
Stove.No matter the electrolytic furnace of which kind of scale, its furnace structure is nothing more than there is two kinds of ways.First, graphite is processed into by graphite electrode
Composition is wrapped up in crucible, outside layer by layer with graphite bisque, steel bushing, insulating layer, and 4000A, 6000A type of furnace use this way mostly.
Second, being built by laying bricks or stones with graphite cake, lower portion of furnace body carries out overall knotting with carbonaceous or carbonaceous mixture, prevents from leaking.Upper of furnace body is with dilute
The mixtures such as native oxide, fluoride, which knot, prevents graphite oxidation, additional insulating layer, and Wan An training type of furnace is done using this mostly
Method.
The first brickwork method is fairly simple and cost is relatively low, but the service life in furnace life is too short, general only three or four months, causes to give birth to
Production cost remains high.Prior shortcoming is that furnace temperature is higher, and product quality fluctuates, carbon with the horizontal height of worker's production operation
Content is higher.On the other hand, since furnace temperature is higher, Faradaic current is caused can not opened up, the electrolytic furnace electric current of 6000A can only achieve
4200A or so, therefore yield is relatively low.Second of brickwork method is compared compared with the first brickwork, and furnace life improves a lot, but method is complicated
And the furnace building material costliness cost that uses is high, while there is also furnace body thermal balance is bad, furnace temperature is higher, carbon and other non-rare earth heteros
Matter content is higher, influences product quality and further improves, and in order to enable electrolysis temperature to maintain optimum range, Faradaic current is often
The rated current of electrolytic furnace in itself is not reached yet.There is a common deficiency with the electrolytic furnace manufactured by both brickwork methods
Part, is exactly that furnace body thermal balance is bad, and furnace temperature is difficult control to benefit is in harmony during production, so product carbon content is difficult to control.
The content of the invention
The present invention is in order to solve the above-mentioned deficiency of the prior art, it is proposed that a kind of high yield and saving energy re metal electrolyzing stove.
In order to solve the above-mentioned technical problem, the present invention uses following technical scheme：A kind of high yield and saving energy re metal electrolyzing
Stove, including barrel-shaped outer steel sleeve and interior steel bushing, the interior steel bushing are inserted in the outer steel sleeve, and interior steel bushing outer wall and outer steel sleeve
Gap between inner wall fills packing layer；The interior steel bushing is internally provided with a graphite cuvette, and the inside of the graphite cuvette has one
A accommodating space for housing electrolyte, is equipped with the bottom closing in of the accommodating space and is used to collect electrolytically generated rare earth metal
Crucible；A stove cover plate is equipped with the upper end port of the outer steel sleeve, the middle part of the stove cover plate, which is equipped with, corresponds to the graphite cuvette
The circular fire door of notch, it is described circle fire door in the fixed four pieces of graphite anodes stretched into graphite cuvette, described four blocks of stones
Black anode surrounds hollow rod structure, and the centre of the graphite anode is equipped with electrolysis cathode.
Further, described filler layer includes loosely placing the lower floor that builds up and using concreting using clay brick
The upper strata of formation, the surface adhesion on the upper strata stove cover plate.
Further, the white fused alumina for insulated heat is equipped between the stove cover plate and the upper end end face of the graphite cuvette
Layer.
Further, also fixed annular cooling water pipe on the upper end end face of the stove cover plate, sets on the cooling water pipe
There are water inlet and water outlet.
Compared with prior art, packing layer of the invention uses clay brick and concrete, and cost is low, quick detachable, and furnace life arrives
After phase, graphite cuvette and concrete are only needed to change, remaining material is reusable.Inside and outside steel bushing, concrete, furnace panel are common
Graphite cuvette periphery is sealed, avoids graphite cuvette and hot air, the service life of graphite cuvette is extended, uses at the same time
The more preferable material of the heat conductivilitys such as clay brick and annular cooling water pipe, are conducive to radiate, and in-furnace temperature, which will not rise so high, to be caused
Product rejection, and design structure greatly improves product volume and product quality, and energy conservation and environmental protection, facilitates operating personnel to produce and makees
Industry, it is highly practical, it is worthy to be popularized.
Brief description of the drawings
Fig. 1 is the structure sectional view of the present invention；
The furnace panel that Fig. 2 is the present invention overlooks installation diagram.
Embodiment
Invention is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, 2, high yield and saving energy re metal electrolyzing stove proposed by the present invention, including barrel-shaped 8 He of outer steel sleeve
Interior steel bushing 7, interior steel bushing 7, outer steel sleeve 8 are barrel-shaped, and bottom and surrounding are fully sealed, wall thickness 5-10mm.Interior steel bushing 7 is inserted
In outer steel sleeve 8, and the gap between 8 inner wall of 7 outer wall of interior steel bushing and outer steel sleeve fills packing layer；Packing layer includes using clay
Brick loosely places the lower floor 10 built up and the upper strata 9 formed using concreting, and the surface adhesion on upper strata stove cover plate 12.
Interior steel bushing 7 is internally provided with a graphite cuvette 4, and the outside diameter of graphite cuvette 4 is more smaller than the internal diameter of interior steel bushing, graphite cuvette 4 with
Fill graphite powder between interior steel bushing 7, and packing layer play a part of high temperature resistant, it is anti-oxidant, fixed in steel bushing 7 and graphite cuvette 4.The stone
The inside of ink tank has the accommodating space of a collecting electrolyte 3, is equipped with the bottom closing in of the accommodating space and is used to collect electricity
Solve the crucible 5 of the rare earth metal 6 of generation；A stove cover plate 12 is equipped with the upper end port of outer steel sleeve 8, the middle part of stove cover plate 12 is equipped with
Corresponding to the circular fire door 13 of 4 notch of graphite cuvette, the fixed 4 blocks of graphite stretched into graphite cuvette 4 in circular fire door 13
Anode 2, graphite anode 2 are fixed on stove cover plate 12 by fixing device 17, and 4 pieces of graphite anodes 2 surround hollow rod structure, in
The centre of void column structure is vacantly provided with electrolysis cathode 1, and the position alignment of crucible 5 can collect electricity in the lower section of graphite anode 2
The rare-earth products of solution.
The white fused alumina layer 11 for insulated heat, white fused alumina layer are equipped between stove cover plate 12 and the upper end end face of graphite cuvette 4
11 heat-insulated and insulating effects.Also fixed annular cooling water pipe 14, the cooling water pipe 14 on the upper end end face of stove cover plate 12
Water inlet 15 and water outlet 16 are equipped with, cooling water pipe 14 pours circulating water and cools down whole stove cover plate 12.
Clay brick and concrete are used in packing layer, cost is low, quick detachable.After furnace life expires, only need to change graphite cuvette and
Concrete, remaining material are reusable.Inside and outside steel bushing, concrete, furnace panel jointly seal graphite cuvette periphery,
Graphite cuvette and hot air are avoided, extends the service life of graphite cuvette, averagely reaches 5 wheat harvesting periods, service life improves
More than 50%.Using thinner graphite cuvette and graphite anode, anode surface area is improved, Faradaic current can be increased, adopted at the same time
With the more preferable material of the heat conductivilitys such as clay brick and square cooling water pipe, be conducive to radiate, even if electric current is increased to 6000A,
In-furnace temperature, which will not rise so high, causes product rejection.Electrolytic furnace has good thermal balance, and electrolysis temperature is easy to control most
Be not in the problem of electrolysis temperature rises and fall sharply and quickly in good scope, thus easily by furnace building material or machine equipment material in product
The impurity element of influence, such as iron, carbon, copper, molybdenum, the content of tungsten can substantially reduce, so as to improve product quality, analytical table
Bright, total amount of rare earth can reach more than 99.5%, and carbon content is usually in below 100ppm.Actual use shows that yield is than original
Improve more than 35%.Since the amplitude of output increased is more than the lost amplitude of heat, energy saving effect, unit product energy are embodied
Consumption declines more than 5%.The latter half of furnace body is located at underground, facilitates operating personnel's production operation.
Above-described embodiment only expresses the several embodiments of the present invention, its description is more specific and detailed, but can not
Therefore understands that it is the limitation to the scope of the claims of the present invention.It should be pointed out that for those of ordinary skill in the art,
On the premise of not departing from present inventive concept, various modifications and improvements can be made, these belong to protection scope of the present invention.
Therefore, patent of the present invention and protection domain should be subject to the appended claims.
Claims (1)
- A kind of 1. high yield and saving energy re metal electrolyzing stove, it is characterised in that：Including barrel-shaped outer steel sleeve (8) and interior steel bushing (7), The interior steel bushing (7) is inserted in the outer steel sleeve (8), and the gap between interior steel bushing (7) outer wall and outer steel sleeve (8) inner wall fills Packing layer；The interior steel bushing (7) is internally provided with a graphite cuvette (4), and the inside of the graphite cuvette has a collecting electrolyte (3) accommodating space, the crucible for being used for collecting electrolytically generated rare earth metal (6) is equipped with the bottom closing in of the accommodating space (5)；A stove cover plate (12) is equipped with the upper end port of the outer steel sleeve (8), the middle part of the stove cover plate (12), which is equipped with, to be corresponded to The circular fire door (13) of graphite cuvette (4) notch, in circle fire door (13) it is fixed stretched into graphite cuvette (4) four Block graphite anode (2), four pieces of graphite anodes (2) surround a hollow rod structure, and the centre of the hollow rod structure is equipped with electrolysis Cathode (1)；Described filler layer includes the lower floor (10) built up is loosely placed using clay brick and is formed using concreting Upper strata (9), the surface adhesion on the upper strata stove cover plate (12)；The stove cover plate (12) and the upper end end of the graphite cuvette (4) The white fused alumina layer (11) for insulated heat is equipped between face；It is also fixed annular on the upper end end face of the stove cover plate (12) Cooling water pipe (14), the cooling water pipe (14) are equipped with water inlet (15) and water outlet (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410658625.7A CN104328458B (en) | 2014-11-19 | 2014-11-19 | A kind of high yield and saving energy re metal electrolyzing stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410658625.7A CN104328458B (en) | 2014-11-19 | 2014-11-19 | A kind of high yield and saving energy re metal electrolyzing stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104328458A CN104328458A (en) | 2015-02-04 |
| CN104328458B true CN104328458B (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410658625.7A Expired - Fee Related CN104328458B (en) | 2014-11-19 | 2014-11-19 | A kind of high yield and saving energy re metal electrolyzing stove |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674307B (en) * | 2015-03-17 | 2015-12-30 | 赣州晨光稀土新材料股份有限公司 | Rare earth molten-salt electrolysis stove |
| CN108374184A (en) * | 2017-12-28 | 2018-08-07 | 龙南县中利再生资源开发有限公司 | A kind of high yield and saving energy re metal electrolyzing stove |
| WO2019128826A1 (en) * | 2017-12-29 | 2019-07-04 | 中南大学 | Rare earth metal molten salt electrolytic cell |
| CN117385419B (en) * | 2023-12-13 | 2024-03-08 | 赣州晨光稀土新材料有限公司 | Automatic tapping device for rare earth crucible |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198482A (en) * | 1997-05-05 | 1998-11-11 | 包钢稀土三厂 | Preparation of battery grade mixed rareearth metal by rareearth chloride molten-salt electrolysis and its equipment |
| CN101368282A (en) * | 2007-08-14 | 2009-02-18 | 北京有色金属研究总院 | Lower cathode rare earth metal electrolytic tank and electrolysis technique adopting the same |
| CN202415703U (en) * | 2011-12-28 | 2012-09-05 | 赣州科力稀土新材料有限公司 | Electrolytic cell for producing rare earth metals |
| CN204198869U (en) * | 2014-11-19 | 2015-03-11 | 赣州三友稀土新材料有限公司 | A kind of high yield and saving energy re metal electrolyzing stove |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04176889A (en) * | 1990-11-13 | 1992-06-24 | Nikko Kyodo Co Ltd | Apparatus for producing high-purity y |
| CN103614747B (en) * | 2013-12-17 | 2016-04-06 | 包头市玺骏稀土有限责任公司 | Large-scale combined rare earth molten salt electrolytic system |
-
2014
- 2014-11-19 CN CN201410658625.7A patent/CN104328458B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198482A (en) * | 1997-05-05 | 1998-11-11 | 包钢稀土三厂 | Preparation of battery grade mixed rareearth metal by rareearth chloride molten-salt electrolysis and its equipment |
| CN101368282A (en) * | 2007-08-14 | 2009-02-18 | 北京有色金属研究总院 | Lower cathode rare earth metal electrolytic tank and electrolysis technique adopting the same |
| CN202415703U (en) * | 2011-12-28 | 2012-09-05 | 赣州科力稀土新材料有限公司 | Electrolytic cell for producing rare earth metals |
| CN204198869U (en) * | 2014-11-19 | 2015-03-11 | 赣州三友稀土新材料有限公司 | A kind of high yield and saving energy re metal electrolyzing stove |
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| CN104328458A (en) | 2015-02-04 |
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Granted publication date: 20180504 Termination date: 20181119 |