CN103820813A - Heat-preserving electrolytic tank - Google Patents
Heat-preserving electrolytic tank Download PDFInfo
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- CN103820813A CN103820813A CN201310615067.1A CN201310615067A CN103820813A CN 103820813 A CN103820813 A CN 103820813A CN 201310615067 A CN201310615067 A CN 201310615067A CN 103820813 A CN103820813 A CN 103820813A
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Abstract
The invention provides a heat-preserving electrolytic tank. The heat-preserving electrolytic tank comprises a tank body, an upper tank part, an anodic carbon block, a gas collecting hood, a blanking pipe and a shell breaking hammer, wherein the anodic carbon block is fixed on an upper horizontal bus of the tank body; the gas collecting hood is fixed at the upper tank part; the blanking pipe is fixed in the middle of the gas collecting hood; the shell breaking hammer penetrates through the blanking pipe. The heat-preserving electrolytic tank is characterized in that movable heat-preserving tank hoods are arranged at the side top and on the side wall of the tank body; a heat-preserving cover plate is arranged at the middle top of the tank body and is connected with the gas collecting hood through a connecting piece. Existing heat-preserving coverage material such as oxidation alumina, a face shell block and an electrolyte block is replaced with the quickly-replaceable movable heat-preserving hoods and does not need to be frequently added, so that the labor strength is reduced, the working efficiency is improved, heat losses are reduced, and damage to electrolytic tank heat balance and material balance caused by the fact that heat-preserving coverage material falls into the electrolytic tank in the anode replacement and heat-preserving material adding processes is avoided; moreover, the environmental pollution can be greatly reduced, and the problem that the alumina cannot be quickly dissolved and diffused, which is caused by that fact blanking is performed only from a middle seam of a large pre-roasting aluminum electrolytic tank is solved.
Description
Technical field
The present invention relates to a kind of thermal insulation electrolytic tank, belong to electrolysis tech field.
Technical background
With regard to existing fused salt electrolysis process aluminium metallurgy technology, since the beginning of the eighties in last century, through the development of nearly 30 years, reach quite advanced level.But traditional industrial electrolysis aluminum technology still faces great innovation, the especially research and development of the energy-conserving and environment-protective aluminium cell of novel texture, have become the main flow that following cell technologies develops, as many rod irons of cathode carbon pieces technology, the super stable magnetic field technology of aluminium cell etc.In existing Aluminium Electrolysis process, need with aluminum oxide, face-piece piece and electrolyte block as insulation mulch, be subject to the impact of high temperature, dust and high-intensity magnetic field simultaneously, anode carbon block, insulation material loss are large, need frequent anode carbon block, the interpolation insulation material changed, and will the density of insulation material, shape and thickness etc. frequently be adjusted and be safeguarded, guarantee is normally produced.And in the time carrying out aforesaid operations, need to be by manually carrying out a large amount of crust breaking operations, not only labour intensity is large, length consuming time, thermosteresis is large, and in operating process, inevitably can make to be incubated mulch and fall in electrolyzer, thereby destroy electrolyzer heat balance and mass balance, affect electrolytic production quality.In addition, from existing electrolyzer, change on anode scrap charcoal piece out, because adhering to a large amount of insulation materials, can, in the time of potroom, transportation and the cleaning of anode scrap charcoal piece, produce a large amount of airborne dusts, not only have a strong impact on workshop condition, also increased ton aluminium material consumption cost.The cutting mode of existing preroasting aluminium cell, can make aluminum oxide can not dissolve rapidly, spread, thereby affects steadily efficient operation of electrolysis production.Therefore, be necessary prior art to be improved, reduce labour intensity, improve electrolysis of aluminum economic and technical norms.
Summary of the invention
For overcoming prior art above shortcomings, shorten and change the anode carbon block activity duration, while avoiding changing anode carbon block, insulation material is fallen in electrolytic solution and affects materials balance of electrolytic cell and energy balance, reduce labor strength, change large-scale pre-baked burning aluminum cell supplying mode, make aluminum oxide can dissolve rapidly, spread, guarantee steadily efficient operation of electrolysis production, the invention provides a kind of thermal insulation electrolytic tank.
The present invention completes by following technical proposal: a kind of thermal insulation electrolytic tank, comprise cell body and groove top thereof, be fixed on the anode carbon block on cell body upper level bus, be fixed on the gas skirt on groove top, be fixed on the tremie pipe at gas skirt middle part, through the crust breaking hammer of tremie pipe, it is characterized in that cell body side top and sidewall are moving thermal insulation groove cover, in cell body, top arranges heat-preserving cover plate, this heat-preserving cover plate is connected with gas skirt by web member, so that while changing anode carbon block, only need directly hang and move moving thermal insulation groove cover, can hang and move in the lump together with anode carbon block, conveniently save time again, the old anode carbon block hanging away because of without insulation material simultaneously, therefore can not affect materials balance of electrolytic cell.
Described moving thermal insulation groove cover by horizontal cover and vertically cover form, horizontal cover comprises horizontal metal plate, is fixed on successively insulating brick in the middle of at least one deck of horizontal metal plate inner side or/and insulation filler, and one deck refractory brick at least; Vertically cover comprises vertical metal sheet, is fixed on successively insulating brick in the middle of at least one deck of vertical metal sheet inner side or/and insulation filler, and one deck refractory brick at least.
Described moving thermal insulation groove cover comprises by leveling board and vertical plate and connects into L shaped metal shell, leveling board downside is provided with at least one deck insulating brick and at least one deck refractory brick successively, vertical plate inner side is provided with successively at least one deck insulating brick or/and insulation filler, and one deck refractory brick at least.
Described moving thermal insulation groove cover arranges several, concrete quantity is determined according to grooved size and anode quantity, the lower end of each moving thermal insulation groove cover is placed in the pot shell inner side of cell body groove bottom, and be placed on the side wall carbon block of groove bottom, by dust-removal cloth-bag or apply charcoal clay etc. and seal, so as required selectivity carry out new, old moving thermal insulation groove cover and anode carbon block replacing in the lump, hang and move.
Described heat-preserving cover plate comprises horizontal metal plate, is located at successively one layer of heat preservation brick and one deck refractory brick of horizontal metal plate downside.
On described moving thermal insulation groove cover, heat-preserving cover plate, hoisting ring is set, hangs and move with fast and easy.
The web member of described connection heat-preserving cover plate and gas skirt is joist steel, the lower end of joist steel is fixed on heat-preserving cover plate inner side, the lower surface of joist steel is provided with thermal insulation layer and flame retardant coating successively, the upper end of joist steel is placed in heat-preserving cover plate top, and be fixed on gas skirt lower surface, the tremie pipe lower end that is fixed on gas skirt middle part is placed in cell body through joist steel.
Described tremie pipe is the vertical pipe with cavity, the upper and lower end of vertical pipe opens wide, be positioned on the pipeline section of gas skirt and be respectively equipped with the vapor pipe and the feed-pipe that are communicated with cavity, the vapor pipe the other end opens wide, and be placed in gas skirt, the feed-pipe the other end is connected with hopper through gas skirt, so that the gas producing in electrolysis production directly enters after gas skirt through vertical pipe, vapor pipe, discharge through the pipeline being connected with gas skirt, the aluminum oxide powder of being simultaneously convenient in hopper is directly sent into electrolysis in electrolyzer through feed-pipe, vertical pipe again.
The present invention compared with prior art has following advantages and effect: adopt such scheme, can replace aluminum oxide, face-piece piece and the electrolyte block etc. of prior art to be incubated mulch with the movable heat insulation cover of fast changeable easily, without frequently adding again insulation material, replacing anode carbon block is convenient, fast, effectively reduce labour intensity, increase work efficiency, reduce thermosteresis simultaneously, fundamentally avoid insulation mulch to fall in electrolyzer in anode change and insulation material interpolation operation process, and destroyed electrolyzer heat balance and mass balance; And in anode carbon block replacing, transportation and pressure-off process, no longer generation insulation mulch flies upward and splashes, and can increase substantially environmental benefit, reduce the material consumption of ton aluminium; Solve large-scale pre-baked burning aluminium cell and only therefrom stitch blanking, the problem that aluminum oxide can not dissolve rapidly, spread, has guaranteed steadily efficient operation of electrolysis production.
The suitable all preroasting aluminium cells of the present invention are produced, be specially adapted to the production of large-scale pre-baked burning aluminium cell, thoroughly solve large pre-baked cell production anode change labour intensity large, when anode change, material balance and thermal equilibrium are destroyed problem serious, that thermosteresis is large, the material consumption of ton aluminium is large and environmental benefit is poor, significantly improve electrolysis of aluminum economic and technical norms and environmental benefit, and significantly reduce labour intensity.
Accompanying drawing explanation
Fig. 1 is section structure schematic diagram of the present invention;
Fig. 2 is the moving thermal insulation groove cover structure enlarged view in Fig. 1;
Fig. 3 is the tremie pipe structure enlarged view in Fig. 1;
Fig. 4 is structure iron of the present invention.
In figure, 1 is electrolytic cell body, and 2 is moving thermal insulation groove cover, and 3 is heat-preserving cover plate, 4 is web member, and 5 is vapor pipe, and 6 is tremie pipe, and 7 is feed-pipe, 8 is gas skirt, and 9 is pot shell, and 10 is anode carbon block, and 21 is vertical plate, 22 is insulation filler, and 23 is insulating brick, and 24 is refractory brick, and 25 is hoisting ring, 26 is leveling board, and 27 is insulating brick, and 28 is refractory brick, and 31 is horizontal metal plate, 32 is insulating brick, and 33 is refractory brick, and 61 is crust breaking hammer.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Thermal insulation electrolytic tank provided by the invention, comprise cell body 1 and groove top thereof, be fixed on the anode carbon block 10 on cell body 1, be fixed on the gas skirt 8 on groove top, be fixed on the tremie pipe 6 at gas skirt 8 middle parts, through the crust breaking hammer 61 of tremie pipe 6, crust breaking hammer 61 upper ends are connected with power cylinder, side top and the sidewall of cell body 1 are moving thermal insulation groove cover 2, anode carbon block 10 is fixed on groove upper level bus 11, in cell body 1, top arranges heat-preserving cover plate 3, and this heat-preserving cover plate 3 is connected with gas skirt 8 by web member 4, as Fig. 1,4, described moving thermal insulation groove cover 2 comprises by leveling board 26 and vertical plate 21 and connects into L shaped metal shell, leveling board 26 downsides are provided with one layer of heat preservation brick 27 and one deck refractory brick 28 successively, leveling board 26 upside intervals arrange hoisting ring 25, vertical plate 21 inner sides are provided with one layer of heat preservation filler 22 and one layer of heat preservation brick 23 successively, and one deck refractory brick 24, this moving thermal insulation groove cover 2 arranges several, concrete quantity is determined according to grooved size and anode quantity, the lower end of each is positioned at pot shell 9 inner sides of cell body 1 groove bottom, and be placed on the side wall carbon block of groove bottom, seal by dust-removal cloth-bag or coating charcoal clay etc., described heat-preserving cover plate 3 comprises horizontal metal plate 31, is located at successively one layer of heat preservation brick 32 and one deck refractory brick 33 of horizontal metal plate 31 downsides, and horizontal metal plate 31 upsides are provided with hoisting ring, as Fig. 1,2.
Described connection heat-preserving cover plate 3 is joist steel with the web member 4 of gas skirt 8, the lower end of joist steel is fixed on heat-preserving cover plate 3 inner sides, and lower surface is provided with thermal insulation layer and flame retardant coating successively, the upper end of joist steel is placed in heat-preserving cover plate 3 tops, and be fixed on gas skirt 8 lower surfaces, tremie pipe 6 lower ends that are fixed on gas skirt 8 middle parts are placed in cell body 1 through joist steel; Described tremie pipe 6 is the vertical pipe with cavity, the upper and lower end of vertical pipe opens wide, be positioned on tremie pipe 6 pipeline sections of gas skirt 8 and be respectively equipped with the vapor pipe 5 and the feed-pipe 7 that are communicated with cavity, vapor pipe 5 the other ends open wide, and be placed in gas skirt 8, feed-pipe 7 the other ends are connected with hopper through gas skirt 8, as Fig. 1, Fig. 3.
All the other structures of electrolyzer of the present invention are conventional structure of the prior art.
When work: start as required power cylinder and drive crust breaking hammer 61 crust breakings, equally as required the aluminium powder in hopper is directly sent in cell body 1 and participated in electrolysis production by feed-pipe 7, tremie pipe 6, the gas producing in electrolysis production directly enters after gas skirt 8 through tremie pipe 6, vapor pipe 5, then discharges through the pipeline being connected with gas skirt 8; Need to change anode carbon block 10 according to electrolysis production time, only need directly hang out moving thermal insulation groove cover 2, can hang out in the lump together with anode carbon block 10, hang in the moving thermal insulation groove cover 2 that new anode carbon block 10 is housed simultaneously, can carry out electrolysis production, convenient save time again, the old anode carbon block hanging away because of without insulation material, therefore can not affect materials balance of electrolytic cell and energy balance simultaneously.
Claims (8)
1. a thermal insulation electrolytic tank, comprise cell body and groove top thereof, be fixed on the anode carbon block on cell body upper level bus, be fixed on the gas skirt on groove top, be fixed on the tremie pipe at gas skirt middle part, through the crust breaking hammer of tremie pipe, it is characterized in that cell body side top and sidewall are moving thermal insulation groove cover, in cell body, top arranges heat-preserving cover plate, and this heat-preserving cover plate is connected with gas skirt by web member.
2. thermal insulation electrolytic tank according to claim 1, it is characterized in that described moving thermal insulation groove cover by horizontal cover and vertically cover and form, horizontal cover comprises horizontal metal plate, is fixed on successively insulating brick in the middle of at least one deck of horizontal metal plate inner side or/and insulation filler, and one deck refractory brick at least; Vertically cover comprises vertical metal sheet, is fixed on successively insulating brick in the middle of at least one deck of vertical metal sheet inner side or/and insulation filler, and one deck refractory brick at least.
3. thermal insulation electrolytic tank according to claim 1, it is characterized in that described moving thermal insulation groove cover comprises by leveling board and vertical plate connects into L shaped metal shell, leveling board downside is provided with at least one deck insulating brick and at least one deck refractory brick successively, vertical plate inner side is provided with successively at least one deck insulating brick or/and insulation filler, and one deck refractory brick at least.
4. thermal insulation electrolytic tank according to claim 1, it is characterized in that described moving thermal insulation groove cover arranges several, the lower end of each moving thermal insulation groove cover is placed in the pot shell inner side of cell body groove bottom, and is placed on the side wall carbon block of groove bottom, by dust-removal cloth-bag or the sealing of coating charcoal clay.
5. thermal insulation electrolytic tank according to claim 1, is characterized in that described heat-preserving cover plate comprises horizontal metal plate, is located at successively one layer of heat preservation brick and one deck refractory brick of horizontal metal plate downside.
6. thermal insulation electrolytic tank according to claim 1, is characterized in that described moving thermal insulation groove cover or/and hoisting ring is set on heat-preserving cover plate.
7. thermal insulation electrolytic tank according to claim 1, the web member that it is characterized in that described connection heat-preserving cover plate and gas skirt is joist steel, the lower end of joist steel is fixed on heat-preserving cover plate inner side, the lower surface of joist steel is provided with thermal insulation layer and flame retardant coating successively, the upper end of joist steel is placed in heat-preserving cover plate top, and be fixed on gas skirt lower surface, the tremie pipe lower end that is fixed on gas skirt middle part is placed in cell body through joist steel.
8. thermal insulation electrolytic tank according to claim 1, it is characterized in that described tremie pipe is the vertical pipe with cavity, the upper and lower end of vertical pipe opens wide, be positioned on the pipeline section of gas skirt and be respectively equipped with the vapor pipe and the feed-pipe that are communicated with cavity, the vapor pipe the other end opens wide, and be placed in gas skirt, the feed-pipe the other end is connected with hopper through gas skirt.
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| CN201310615067.1A CN103820813B (en) | 2013-11-28 | 2013-11-28 | A kind of thermal insulation electrolytic tank |
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| CN201310615067.1A CN103820813B (en) | 2013-11-28 | 2013-11-28 | A kind of thermal insulation electrolytic tank |
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| CN103820813A true CN103820813A (en) | 2014-05-28 |
| CN103820813B CN103820813B (en) | 2017-06-20 |
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| CN105369289A (en) * | 2015-11-23 | 2016-03-02 | 中国铝业股份有限公司 | Device for reducing radiating of aluminium electrolysis cell shell |
| CN107513728A (en) * | 2017-09-09 | 2017-12-26 | 聊城信源集团有限公司 | A kind of electrolytic cell with anode covering and heat insulating device |
| CN108166017A (en) * | 2016-12-07 | 2018-06-15 | 高德金 | A kind of pre-calcining electrolytic cell production technology |
| CN110777395A (en) * | 2019-11-27 | 2020-02-11 | 镇江慧诚新材料科技有限公司 | Upper structure of oxygen-aluminum co-production electrolytic cell |
| CN112831803A (en) * | 2021-01-05 | 2021-05-25 | 中南大学 | Double-layer closed aluminum electrolytic cell and upper heat-insulating cover thereof |
| CN114030063A (en) * | 2021-11-03 | 2022-02-11 | 阿坝铝厂 | Pre-baked anode carbon block anti-oxidation structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108166017A (en) * | 2016-12-07 | 2018-06-15 | 高德金 | A kind of pre-calcining electrolytic cell production technology |
| CN107513728A (en) * | 2017-09-09 | 2017-12-26 | 聊城信源集团有限公司 | A kind of electrolytic cell with anode covering and heat insulating device |
| CN110777395A (en) * | 2019-11-27 | 2020-02-11 | 镇江慧诚新材料科技有限公司 | Upper structure of oxygen-aluminum co-production electrolytic cell |
| CN112831803A (en) * | 2021-01-05 | 2021-05-25 | 中南大学 | Double-layer closed aluminum electrolytic cell and upper heat-insulating cover thereof |
| CN114030063A (en) * | 2021-11-03 | 2022-02-11 | 阿坝铝厂 | Pre-baked anode carbon block anti-oxidation structure |
| CN114030063B (en) * | 2021-11-03 | 2023-02-14 | 阿坝铝厂 | Pre-baked anode carbon block anti-oxidation structure |
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| CN103820813B (en) | 2017-06-20 |
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