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CN204491007U - A kind of multianode metal lithium electrolytic bath - Google Patents

A kind of multianode metal lithium electrolytic bath Download PDF

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Publication number
CN204491007U
CN204491007U CN201520076482.9U CN201520076482U CN204491007U CN 204491007 U CN204491007 U CN 204491007U CN 201520076482 U CN201520076482 U CN 201520076482U CN 204491007 U CN204491007 U CN 204491007U
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CN
China
Prior art keywords
anode
negative electrode
inner lining
multianode
lining body
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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.)
Withdrawn - After Issue
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CN201520076482.9U
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Chinese (zh)
Inventor
李良彬
巴雅尔
朱实贵
王金荣
熊训满
戴小勇
黄亚辉
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Fengxin Ganfeng Lithium Co Ltd
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Fengxin Ganfeng Lithium Co Ltd
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Priority to CN201520076482.9U priority Critical patent/CN204491007U/en
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Abstract

The utility model discloses a kind of multianode metal lithium electrolytic bath, comprise outer cell body, inner lining body, negative electrode, anode and be covered on the groove lid that the cavity volume for holding electrolytic solution is formed on outer cell body and inner lining body top, groove cover be provided with for chlorine discharge row's chlorine mouth and for metallic lithium discharge go out lithium mouth, cathode loop winding is placed in outside anode, anode is uniformly distributed and is arranged in inner lining body, negative electrode is connected with negative electrode busbar, anode is connected with anode busbar, negative electrode is fixed on inner lining body inside, anode is identical with negative electrode number is at least four, the diameter of anode is 200-300mm, the insulation of anode upper end is fixed on groove and covers, anode bottom is fixed on inner lining body by the insulation of anode base.A kind of multianode metal lithium electrolytic bath of the utility model structure is simple, can reduce the probability that fracture occurs anode graphite, improves the work-ing life of anode graphite, reduces the multianode metal lithium electrolytic bath of the running cost of metallic lithium electrolysis.

Description

A kind of multianode metal lithium electrolytic bath
Technical field
The utility model relates to a kind of electrolyzer, particularly relates to a kind of multianode metal lithium electrolytic bath.
Background technology
The mixture of fused salt electrolysis melting lithium chloride and Repone K is the method for unique preparation of industrialization metallic lithium at present.And electrolyzer is the key equipment of electrolysis, the structure of electrolyzer, processing parameter determine the economic and technical norms of electrolysis.Electrolyzer is generally made up of outer cell body, inner lining body, groove lid, anode and negative electrode, quantity according to anode is divided, can be divided into single anode electrolytic tank and multiple anodes cell, the mode inserting cell body according to cathode and anode is divided into upper plug type electrolyzer, down inserting type electrolyzer and side-plug-in electrolyzer.Upper plug type electrolyzer a kind ofly makes simple, that simple installation, cost of manufacture are low, the life-span is long electrolyzer.Current upper plug type electrolyzer mainly contains double anode electrolyzer and three anode electrolytic tanks, and the diameter of anode graphite is 400 ~ 500mm.Because anode graphite is heavier, and only have anode upper end to be fixed on groove by strut member to cover, anode upper end is caused to be ruptured because of stressed, and anode upper end is directly exposed in air, with high temperature air generation oxidizing reaction, accelerate graphite anode to rupture in upper end, decrease the operation life of anode graphite, add the running cost of electrolyzer.
Summary of the invention
The utility model completes to solve deficiency of the prior art, the purpose of this utility model is to provide the probability that a kind of structure is simple, can reduce anode graphite generation fracture, improve the work-ing life of anode graphite, reduce the multianode metal lithium electrolytic bath of the running cost of metallic lithium electrolysis.
A kind of multianode metal lithium electrolytic bath of the present utility model, comprise outer cell body, inner lining body, negative electrode, anode and be covered on the groove lid that the cavity volume for holding electrolytic solution is formed on described outer cell body and inner lining body top, described groove cover be provided with for chlorine discharge row's chlorine mouth and for metallic lithium discharge go out lithium mouth, described cathode loop winding is placed in outside described anode, described anode is uniformly distributed and is arranged in described inner lining body, described negative electrode is connected with negative electrode busbar, described anode is connected with anode busbar, it is inner that described negative electrode is fixed on described inner lining body, described anode is identical with described negative electrode number is at least four, the diameter of described anode is 200-300mm, the insulation of described anode upper end is fixed on described groove and covers, described anode bottom is fixed on inner lining body by the insulation of anode base.
A kind of multianode metal lithium electrolytic bath of the present utility model can also be:
It is inner that described negative electrode is fixed on described inner lining body by cathode substructure insulation.
Described cathode substructure is support, and the bottom of described support and described inner lining body inner bottom part insulate fixing, and the insulation of described negative electrode bottom is fixed on the top of described support.
Described anode lower end offers cylindrical hole, and described anode base top is inserted in described cylindrical hole and fixed with described anode.
Described anode base and or cathode substructure be made up of high alumina magnesium oxide material.
Thermal insulation layer is provided with between described outer cell body and described inner lining body.
Described thermal insulation layer is made up of magnesia brick and asbestos plate.
Described anode is connected with described anode busbar by the Copper-Aluminum compound clamping plate being located thereon portion.
Described negative electrode is tied up arm be connected with described negative electrode busbar by being crossed out described outer cell body and the negative electrode of inner lining body along negative electrode side, and described negative electrode ties up outer cell body described in arm hermetically passing and described inner lining body.
Described anode divides two rows evenly distributed in described inner lining body.
A kind of multianode metal lithium electrolytic bath of the present utility model, comprise outer cell body, inner lining body, negative electrode, anode and be covered on the groove lid that the cavity volume for holding electrolytic solution is formed on described outer cell body and inner lining body top, described groove cover be provided with for chlorine discharge row's chlorine mouth and for metallic lithium discharge go out lithium mouth, described cathode loop winding is placed in outside described anode, described anode is uniformly distributed and is arranged in described inner lining body, described negative electrode is connected with negative electrode busbar, described anode is connected with anode busbar, it is inner that described negative electrode is fixed on described inner lining body, described anode is identical with described negative electrode number is at least four, the diameter of described anode is 200-300mm, the insulation of described anode upper end is fixed on described groove and covers, described anode bottom is fixed on inner lining body by the insulation of anode base.Like this, negative electrode and anode all soak in the electrolytic solution, and the effect of negative electrode and anode makes electrolytic solution generation electrolysis, isolates metallic lithium, discharge chlorine simultaneously.The effect of groove lid ensures that electrolytic solution extraneous factor in the process of electrolysis has effect to it as few as possible, is equivalent to itself and outer cell body and inner lining body and forms enclosed space, closed by electrolytic solution.Described anode is identical with described negative electrode number is at least four, and the diameter of described anode is 200-300mm.Like this, anode increased number, preferably 4-10, under identical electric current, the strength of current that single anode is born is little, decreases the loss of anode.And the diameter of single anode reduces, make the weight of anode, the insulation of such anode upper end is fixed on after groove covers, the gravity that anode upper end and groove lid junction are born is less, avoid that anode is stressed to rupture, and the anode in this diameter range can bear long-term electrolytical erosion.Because anode is fixed on inner lining body by anode base, further reduce the gravity born of anode upper end and groove lid junction, extend anode work-ing life, reduce the running cost of metallic lithium electrolysis.Relative to the advantage of prior art be structure simple, the probability that fracture occurs anode can be reduced, improve the work-ing life of anode, reduce the running cost of metallic lithium electrolysis.
Accompanying drawing explanation
A kind of multianode metal lithium electrolytic bath of Fig. 1 the utility model embodiment master looks sectional view.
A kind of multianode metal lithium electrolytic bath of Fig. 2 the utility model embodiment vertical view.
Sectional view is looked on an a kind of multianode metal lithium electrolytic bath embodiment left side of Fig. 3 the utility model.
Another embodiment anode of a kind of multianode metal lithium electrolytic bath of Fig. 4 the utility model two rows arranged side by side arrange vertical view.
Another embodiment anode of a kind of multianode metal lithium electrolytic bath of Fig. 5 the utility model two rows arranged side by side arrange a left side and look sectional view.
Figure number explanation
1 ... outer cell body 2 ... inner lining body 3 ... groove lid
4 ... insulating sandwich 5 ... negative electrode 6 ... negative electrode ties up arm
7 ... anode 8 ... row's chlorine mouth 9 ... go out lithium mouth
10 ... anode busbar 11 ... negative electrode busbar 12 ... cathode substructure
13 ... thermal insulation layer 14 ... anode base
Embodiment
Fig. 1 to Fig. 5 below in conjunction with accompanying drawing is described in further detail a kind of multianode metal lithium electrolytic bath of the present utility model.
A kind of multianode metal lithium electrolytic bath of the present utility model, please refer to Fig. 1 to Fig. 5, comprise outer cell body 1, inner lining body 2, negative electrode 5, anode 7 and be covered on the groove lid 3 that the cavity volume for holding electrolytic solution is formed on described outer cell body 1 and inner lining body 2 top, described groove lid 3 is provided with for chlorine discharge row's chlorine mouth 8 and for metallic lithium discharge go out lithium mouth 9, described negative electrode 5 is around being arranged at outside described anode 7, described anode 7 is uniformly distributed and is arranged in described inner lining body 2, described negative electrode 5 is connected with negative electrode busbar 11, described anode 7 is connected with anode busbar 10, it is inner that described negative electrode 5 is fixed on described inner lining body 2, described anode 7 is identical with described negative electrode 5 number is at least four, the diameter of described anode 7 is 200-300mm, the insulation of described anode 7 upper end is fixed on described groove lid 3, described anode 7 bottom is fixed on inner lining body 2 by anode base 14 insulation.Like this, negative electrode 5 and anode 7 all soak in the electrolytic solution, and the effect of negative electrode 5 and anode 7 makes electrolytic solution generation electrolysis, isolates metallic lithium, discharge chlorine simultaneously.The effect of groove lid 3 ensures that electrolytic solution extraneous factor in the process of electrolysis has effect to it as few as possible, is equivalent to itself and outer cell body 1 and inner lining body 2 and forms enclosed space, closed by electrolytic solution.Described anode 7 is identical with described negative electrode 5 number is at least four, and the diameter of described anode 7 is 200-300mm.Like this, anode 7 increased number, preferably 4-10, under identical electric current, the strength of current that single anode 7 is born is little, decreases the loss of anode 7.And the diameter of single anode 7 reduces, make the weight of anode 7, such anode 7 upper end insulation is fixed on after on groove lid 3, the gravity that anode 7 upper end and groove lid 3 junction are born is less, avoid that anode 7 is stressed to rupture, and the anode 7 in this diameter range can bear long-term electrolytical erosion.Because anode 7 is fixed on inner lining body 2 by anode base 14, further reduce the gravity born of anode 7 upper end and groove lid 3 junction, extend anode 7 work-ing life, reduce the running cost of metallic lithium electrolysis.Relative to the advantage of prior art be structure simple, the probability that fracture occurs anode can be reduced, improve the work-ing life of anode, reduce the running cost of metallic lithium electrolysis.In addition, anode can be graphite anode.
A kind of multianode metal lithium electrolytic bath of the present utility model, please refer to Fig. 1 to Fig. 5, and the basis of previously described technical scheme can be specifically: it is inner that described negative electrode 5 is fixed on described inner lining body 2 by cathode substructure 12 insulation.Like this, negative electrode 5 is fixed in inner lining body 2 securely, avoids its fracture or topples over and reduce its work-ing life.Preferred technical scheme is described cathode substructure 12 is further support, and the bottom of described support and described inner lining body 2 inner bottom part insulate fixing, and the insulation of described negative electrode 5 bottom is fixed on the top of described support.So both can meeting the requirement be fixed on by negative electrode 5 in inner lining body 2, and negative electrode 5 also can having been made to be looped around easily outside anode 7 apart from having certain distance bottom inner lining body 2 simultaneously.And the cathode substructure 12 of such stent-type makes negative electrode 5 fixing more steady.
A kind of multianode metal lithium electrolytic bath of the present utility model, please refer to Fig. 1 to Fig. 5, the basis of previously described technical scheme can also be: described anode 7 lower end offers cylindrical hole that described anode base 14 top is inserted in described cylindrical hole and fixed with described anode 7.Like this, anode base 14 inserts in anode 7 and is fixed by anode 7.Preferred technical scheme is the degree of depth of cylindrical hole is further 50 ~ 100mm, and diameter is 50 ~ 100mm.The advantage of such cylindrical hole makes fixing of anode 7 more firm.Can also be described anode base 14 and or cathode substructure 12 be made up of high-temperature insulation material, be preferably made up of high alumina magnesium oxide material.Like this, can prevent due to the violent disturbance of electrolytic solution and cause anode 7 position to offset, change the interpole gap of negative electrode 5 and anode 7, affect the current efficiency of electrolysis, and the anode base 14 adopting high alumina magnesium oxide material to make and or cathode substructure 12 there is high temperature resistant, erosion resistance, good insulation preformance advantage.In addition, can also be provided with thermal insulation layer 13 between described outer cell body 1 and described inner lining body 2.The effect of thermal insulation layer 13 stops heat and the too fast heat exchange of external environment in electrolyzer, reaches stable electrolyzer electrolyte inside temperature.Described thermal insulation layer 13 is made up of magnesia brick and asbestos plate.Such thermal insulation layer 13 heat insulation effect is good, avoids outer bound pair electrolyzer electrolyte inside temperature to have considerable influence, guarantees the temperature maintaining electrolyzer electrolyte inside.Preferred technical scheme is that described thermal insulation layer 13 is made up of porousness magnesia brick and porousness asbestos plate further.Such advantage is, such thermal insulation layer 13 make air can fully and lagging material carry out heat exchange, improve thermal conversion efficiency, reach the object of quick adjustment electrolyzer electrolyte inside temperature.
A kind of multianode metal lithium electrolytic bath of utility model, please refer to Fig. 1 to Fig. 5, the basis of previously described technical scheme can also be: described anode 7 is connected with described anode busbar 10 by the Copper-Aluminum compound clamping plate being located thereon portion, such setting is due to copper lithium laminated good conductivity, effectively can reduce power consumption.Can also be described negative electrode 5 ties up arm 6 with the negative electrode of inner lining body 2 be connected with described negative electrode busbar 11 by crossing out described outer cell body 1 along negative electrode 5 side, and described negative electrode ties up outer cell body 1 and described inner lining body 2 described in arm 6 hermetically passing.Such negative electrode is tied up arm 6 and negative electrode 5 and negative electrode busbar 11 is coupled together, and negative electrode ties up the outer cell body 1 of arm 6 hermetically passing and inner lining body 2 simultaneously, ensures that electrolyte inside can not flow out.
A kind of multianode metal lithium electrolytic bath of utility model, please refer to Fig. 1 to Fig. 5, the basis of previously described technical scheme can also be: can also be that one deck insulating sandwich 4 is set on described groove lid 3, heat and outside atmosphere rate of exchange in electrolyzer can be reduced further, maintain temperature-stable in electrolyzer, reduce the convection current of groove inner air and outer air, reduce the erosion rate of air antianode 7, thus extend anode 7 work-ing life.Can also be that 7 point two, described anode row is evenly distributed in described inner lining body 2.Like this, electrolytic cell currents efficiency can be improved, reduce the floor space of electrolyzer, save hall space.
Above-mentionedly only several specific embodiments in the utility model to be illustrated; but can not as protection domain of the present utility model; every according to the change of the equivalence done by design spirit in the utility model or to modify or equal proportion zooms in or out, all should think and fall into protection domain of the present utility model.

Claims (10)

1. a multianode metal lithium electrolytic bath, it is characterized in that: comprise outer cell body, inner lining body, negative electrode, anode and be covered on the groove lid that the cavity volume for holding electrolytic solution is formed on described outer cell body and inner lining body top, described groove cover be provided with for chlorine discharge row's chlorine mouth and for metallic lithium discharge go out lithium mouth, described cathode loop winding is placed in outside described anode, described anode is uniformly distributed and is arranged in described inner lining body, described negative electrode is connected with negative electrode busbar, described anode is connected with anode busbar, it is inner that described negative electrode is fixed on described inner lining body, described anode is identical with described negative electrode number is at least four, the diameter of described anode is 200-300mm, the insulation of described anode upper end is fixed on described groove and covers, described anode bottom is fixed on inner lining body by the insulation of anode base.
2. a kind of multianode metal lithium electrolytic bath according to claim 1, is characterized in that: it is inner that described negative electrode is fixed on described inner lining body by cathode substructure insulation.
3. a kind of multianode metal lithium electrolytic bath according to claim 2, is characterized in that: described cathode substructure is support, and the bottom of described support and described inner lining body inner bottom part insulate fixing, and the insulation of described negative electrode bottom is fixed on the top of described support.
4. a kind of multianode metal lithium electrolytic bath according to claim 1, is characterized in that: described anode lower end offers cylindrical hole, and described anode base top is inserted in described cylindrical hole and fixed with described anode.
5. a kind of multianode metal lithium electrolytic bath according to any one claim of Claims 1-4, is characterized in that: described anode base and or cathode substructure be made up of high alumina magnesium oxide material.
6. a kind of multianode metal lithium electrolytic bath according to any one claim of Claims 1-4, is characterized in that: be provided with thermal insulation layer between described outer cell body and described inner lining body.
7. a kind of multianode metal lithium electrolytic bath according to claim 6, is characterized in that: described thermal insulation layer is made up of magnesia brick and asbestos plate.
8. a kind of multianode metal lithium electrolytic bath according to any one claim of Claims 1-4, is characterized in that: described anode is connected with described anode busbar by the Copper-Aluminum compound clamping plate being located thereon portion.
9. a kind of multianode metal lithium electrolytic bath according to any one claim of Claims 1-4, it is characterized in that: described negative electrode is tied up arm be connected with described negative electrode busbar by being crossed out described outer cell body and the negative electrode of inner lining body along negative electrode side, and described negative electrode ties up outer cell body described in arm hermetically passing and described inner lining body.
10. a kind of multianode metal lithium electrolytic bath according to any one claim of Claims 1-4, is characterized in that: described anode divides two rows evenly distributed in described inner lining body.
CN201520076482.9U 2015-02-03 2015-02-03 A kind of multianode metal lithium electrolytic bath Withdrawn - After Issue CN204491007U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104562092A (en) * 2015-02-03 2015-04-29 奉新赣锋锂业有限公司 Multi-anode lithium metal electrolytic bath
WO2024159900A1 (en) * 2023-02-03 2024-08-08 中铝国际工程股份有限公司 Multi-anode electrolytic cell

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104562092A (en) * 2015-02-03 2015-04-29 奉新赣锋锂业有限公司 Multi-anode lithium metal electrolytic bath
WO2024159900A1 (en) * 2023-02-03 2024-08-08 中铝国际工程股份有限公司 Multi-anode electrolytic cell

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Granted publication date: 20150722

Effective date of abandoning: 20170510