CN220246289U - Gap sealing device of aluminum electrolysis cell - Google Patents
Gap sealing device of aluminum electrolysis cell Download PDFInfo
- Publication number
- CN220246289U CN220246289U CN202322010421.XU CN202322010421U CN220246289U CN 220246289 U CN220246289 U CN 220246289U CN 202322010421 U CN202322010421 U CN 202322010421U CN 220246289 U CN220246289 U CN 220246289U
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- CN
- China
- Prior art keywords
- sealing
- cover plate
- furnace door
- electrolysis cell
- aluminum electrolysis
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- 238000007789 sealing Methods 0.000 title claims abstract description 93
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 49
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 43
- 210000004027 cell Anatomy 0.000 claims abstract description 44
- 238000004321 preservation Methods 0.000 claims abstract description 21
- 210000005056 cell body Anatomy 0.000 claims abstract description 17
- 229920000742 Cotton Polymers 0.000 claims description 45
- 239000004744 fabric Substances 0.000 claims description 32
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 7
- 239000010425 asbestos Substances 0.000 claims description 7
- 239000011490 mineral wool Substances 0.000 claims description 7
- 229910052895 riebeckite Inorganic materials 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses a gap sealing device of an aluminum electrolysis cell, which comprises an aluminum electrolysis cell body, a furnace door arranged on the upper side surface of the aluminum electrolysis cell body, a cell cover plate arranged on the outer surface of the aluminum electrolysis cell body, and corner sealing covers arranged on two sides of the furnace door and connected with the cell cover plate, wherein a furnace door sealing part is arranged at the bottom of the furnace door, and a corner sealing part is arranged between the cell cover plate and the corner sealing cover. The utility model can fully seal the gap at the furnace door and the gap at the corner sealing cover of the aluminum electrolysis cell through the specially developed furnace door sealing component and the corner sealing component, thereby not only achieving the functions of sealing and heat preservation, but also obviously reducing the heat loss.
Description
Technical Field
The utility model belongs to the technical field of electrolytic aluminum production, and particularly relates to a gap sealing device of an aluminum electrolysis cell.
Background
At present, a plurality of practical problems such as poor running stability of an electrolytic tank, high electricity consumption per ton of aluminum and the like generally exist in the domestic electrolytic aluminum production field, and the reasons are mainly due to the fact that a plurality of parts such as a furnace door, a corner sealing cover and an anode guide rod of an aluminum electrolysis cell generally have larger gaps in the production process, and the gaps cannot well solve the technical defects such as sealing performance and heat preservation performance of the aluminum electrolysis cell in a high-temperature environment by adopting a traditional sealing mode. Meanwhile, operators often need to open a cover plate and a door of the electrolytic tank to perform operations such as pole changing, hammer head binding, aluminum discharging and the like in the production process, so that a large amount of air leakage exists in the cover plate of the electrolytic tank, and the problems of poor running stability, high power consumption per ton of aluminum and the like of the electrolytic tank are further aggravated.
According to estimation, the heat dissipation rate of the bottom gap, the corner sealing cover gap, the opening of the tank cover plate and the like of the electrolytic tank furnace door is as high as 80-90%. Therefore, sealing the door bottom gap of the electrolyzer, the gap between the tank cover plate and the corner sealing cover, and reducing the number of opening of the tank cover plate are one of the most effective methods for solving the smooth low-consumption production of the electrolyzer. However, at present, domestic aluminum electrolysis manufacturers do not seal gaps at the bottom of the furnace door and gaps between the groove cover plate and the corner sealing cover, and a good method is not available for solving the number of times of opening the groove cover plate, so that it is urgent to develop a sealing device for solving the technical problems.
Disclosure of Invention
The utility model aims to overcome the defects of poor heat preservation effect and overlarge heat loss of a gap at the bottom of an aluminum electrolysis cell furnace door and a gap of a corner sealing cover in the prior art, and provides a gap sealing device of an aluminum electrolysis cell.
The aim of the utility model is achieved by the following technical scheme: a gap sealing device of an aluminum electrolysis cell comprises an aluminum electrolysis cell body, a furnace door arranged on the upper side surface of the aluminum electrolysis cell body, a cell cover plate arranged on the outer surface of the aluminum electrolysis cell body and corner sealing covers arranged on two sides of the furnace door and connected with the cell cover plate, wherein a furnace door sealing part is arranged at the bottom of the furnace door, and a corner sealing part is arranged between the cell cover plate and the corner sealing covers.
Further, the furnace door sealing component consists of bottom sealing heat-insulating cloth and a pressing plate, wherein the shape of the bottom sealing heat-insulating cloth is matched with that of the bottom of the furnace door, and the pressing plate is arranged on the surface of the bottom sealing heat-insulating cloth and is fixedly connected with the furnace door through a screw.
In order to achieve a better use effect, the corner sealing component is a mixed sealing cloth, and the mixed sealing cloth is fixed in a gap between the groove cover plate and the corner sealing cover through screws.
Preferably, the mixed sealing cloth is preferably composed of high temperature resistant cloth and high temperature resistant cotton filled in the mixed sealing cloth.
In order to ensure the heat preservation effect of the groove cover plate, the groove cover plate is a double-layer plate, heat preservation cotton is filled in the double-layer plate, and the heat preservation cotton is ceramic heat preservation cotton, glass fiber heat preservation cotton, aluminum silicate heat preservation cotton, rock wool, asbestos or alumina fiber blanket and the like.
Meanwhile, a sealing strip is also arranged at the edge of the furnace door, and the sealing strip is ceramic heat-insulating cotton, glass fiber heat-insulating cotton, aluminum silicate heat-insulating cotton, rock wool, asbestos, an alumina fiber blanket or an insulating adhesive tape.
In order to facilitate the observation of the internal condition of the aluminum electrolysis cell and reduce the times of opening the furnace door, the utility model is also provided with an observation hole on the cell cover plate, and a movable cover plate is arranged outside the observation hole and is fixed on the cell cover plate through rivets.
Compared with the prior art, the utility model has the following advantages:
(1) The utility model can fully seal the gap at the furnace door and the gap at the corner sealing cover of the aluminum electrolysis cell through the specially developed furnace door sealing component and the corner sealing component, thereby not only achieving the functions of sealing and heat preservation, but also obviously reducing the heat loss.
(2) The cell cover plate is a double-layer plate, and the heat preservation cotton is filled in the middle of the double-layer plate, so that the heat preservation effect can be achieved to the greatest extent, the heat energy loss of the aluminum cell can be obviously reduced, and the production efficiency can be obviously improved.
Drawings
Figure 1 is a schematic view of the overall structure of the aluminium electrolysis cell body of the utility model.
Fig. 2 is a schematic view of a sealing structure at a furnace door of the present utility model.
FIG. 3 is a schematic view of a seal structure at a corner seal cap according to the present utility model.
The reference numerals in the above figures are: 1-aluminum electrolysis cell body, 2-furnace door, 3-cell cover plate, 4-corner sealing cover, 5-mixed sealing cloth, 21-bottom sealing heat preservation cloth and 22-pressing plate.
Detailed Description
The present utility model will be described in further detail with reference to examples, but embodiments of the present utility model are not limited thereto.
Examples
As shown in fig. 1 to 3, the aluminum electrolysis cell according to the present utility model is a conventional apparatus, and mainly comprises an aluminum electrolysis cell body 1, a furnace door 2 provided at an upper side portion of the aluminum electrolysis cell body, a cell cover plate 3 provided on an outer surface of the aluminum electrolysis cell body, and corner seal covers 4 provided at both sides of the furnace door and connected to the cell cover plate, etc.
In the aluminium electrolysis cell apparatus currently in use, there are a large number of gaps at the bottom of the oven door 2, between the oven door and the aluminium electrolysis cell body 1 and at the location of the corner seal caps 4, and the presence of these gaps results in a large heat loss of the aluminium electrolysis cell body 1 during the production operation. In order to effectively solve the defect of heat loss, the utility model specifically and pertinently designs a corresponding sealing component, namely a furnace door sealing component is arranged at the bottom position of the furnace door 2 and is specially used for sealing a gap at the position of the furnace door 2; a corner sealing member is provided between the groove cover plate 3 and the corner seal cover 4, and is specially used for sealing a gap between the corner seal cover 4 and the groove cover plate 3.
The furnace door sealing part consists of a bottom sealing heat preservation cloth 21 and a pressing plate 22, wherein the shape of the bottom sealing heat preservation cloth 21 is matched with the bottom shape of the furnace door 2, and no gap exists between the bottom sealing heat preservation cloth 21 and the ground as far as possible. The pressing plate 22 is arranged on the surface of the bottom sealing heat-insulating cloth 21 and is fixedly connected with the furnace door 2 through screws, so that the whole bottom sealing heat-insulating cloth 21 is firmly fixed on the furnace door 2, and the bottom sealing heat-insulating cloth 21 can synchronously move along with the furnace door 2. When the bottom sealing heat preservation cloth 21 is damaged or worn and needs to be replaced, the pressing plate 22 is only required to be detached for replacement.
Meanwhile, in order to further solve the problem of heat dissipation of the furnace door 2, in this embodiment, a circle of sealing strips may be further arranged at the peripheral edge of the furnace door 2, or the sealing strips may be arranged at the place where the edge of the furnace door 2 needs to be sealed. The sealing strip is preferably made of ceramic heat-insulating cotton blanket, ceramic heat-insulating cotton paper, glass fiber heat-insulating cotton blanket, glass fiber heat-insulating cotton paper, aluminum silicate heat-insulating cotton blanket, aluminum silicate heat-insulating cotton paper, rock wool, asbestos, aluminum oxide fiber blanket or aluminum oxide fiber paper, or the sealing strip can be an insulating adhesive tape.
The corner sealing member is a mixed sealing cloth 5, and the mixed sealing cloth 5 is fixed in a gap between the groove cover plate 3 and the corner sealing cover 4 by screws during installation. The hybrid sealing cloth 5 in the present embodiment is preferably composed of a high temperature resistant cloth and high temperature resistant cotton filled inside thereof. The thickness of the high temperature resistant cloth is between 0.1 and 0.25mm, and the high temperature resistant cloth has the characteristics of 450 ℃ high temperature resistance, flame retardance, no ventilation, strong toughness, workability, sewing and the like. After the high temperature resistant cotton is filled in the high temperature resistant cloth, pollution caused by falling of the high temperature resistant cotton into the aluminum electrolysis cell can be effectively avoided, and the high temperature resistant cloth has the advantages of long service life after the high temperature resistant cotton and the aluminum electrolysis cell are combined, ventilation resistance and heat preservation.
In order to enhance the overall heat-insulating effect of the aluminium electrolysis cell body 1, the cell cover plate 3 is arranged into double-layer plates, and heat-insulating cotton is filled between the inner parts of the double-layer plates. The heat-insulating cotton can be ceramic heat-insulating cotton blanket, ceramic heat-insulating cotton paper, glass fiber heat-insulating cotton blanket, glass fiber heat-insulating cotton paper, aluminum silicate heat-insulating cotton blanket, aluminum silicate heat-insulating cotton paper, rock wool, asbestos, aluminum oxide fiber blanket or aluminum oxide fiber paper. Or according to practical needs, the groove cover plate 3 can be provided with a single layer plate, and a layer of heat insulation cotton is fixed on the inner side of the single layer plate, namely the inner side of the groove cover plate 3. Similarly, the heat-insulating cotton can be ceramic heat-insulating cotton blanket, ceramic heat-insulating cotton paper, glass fiber heat-insulating cotton blanket, glass fiber heat-insulating cotton paper, aluminum silicate heat-insulating cotton blanket, aluminum silicate heat-insulating cotton paper, rock wool, asbestos, aluminum oxide fiber blanket or aluminum oxide fiber paper, etc.
In order to reduce the number of times of opening the slot cover plate 3 to the greatest extent, in this embodiment, an observation hole is further formed in the slot cover plate 3, and a movable cover plate is arranged on the outer side of the observation hole and is movably fixed on the slot cover plate 3 through a rivet. That is, the movable cover plate can rotate around the rivet, and when the condition inside the aluminum electrolysis cell needs to be observed, the movable cover plate only needs to be rotated to expose the observation hole; when the observation is not needed, the movable cover plate is only required to be rotated, so that the movable cover plate covers and seals the observation hole.
As described above, the present utility model can be well implemented.
Claims (9)
1. The gap sealing device of the aluminum electrolysis cell comprises an aluminum electrolysis cell body (1), a furnace door (2) arranged on the upper side surface of the aluminum electrolysis cell body, a cell cover plate (3) arranged on the outer surface of the aluminum electrolysis cell body and corner sealing covers (4) arranged on two sides of the furnace door (2) and connected with the cell cover plate (3), and is characterized in that furnace door sealing parts are arranged at the bottom position of the furnace door (2), and corner sealing parts are arranged between the cell cover plate (3) and the corner sealing covers (4).
2. The gap sealing device of an aluminum electrolysis cell according to claim 1, wherein the furnace door sealing component consists of a bottom sealing heat preservation cloth (21) and a pressing plate (22), the shape of the bottom sealing heat preservation cloth (21) is matched with that of the bottom of the furnace door, and the pressing plate (22) is arranged on the surface of the bottom sealing heat preservation cloth (21) and fixedly connected with the furnace door through a screw.
3. A gap sealing arrangement for aluminium electrolysis cells according to claim 1, characterised in that the corner sealing means is a hybrid sealing cloth (5) and that the hybrid sealing cloth (5) is screwed into the gap between the cell cover plate (3) and the corner sealing hood (4).
4. A gap sealing device according to claim 3, characterized in that the mixed sealing cloth (5) consists of high temperature resistant cloth and high temperature resistant cotton filled inside.
5. The gap sealing device of an aluminum electrolysis cell according to any one of claims 1 to 4, wherein the cell cover plate (3) is a double plate, and heat insulation cotton is filled in the inside of the double plate.
6. The gap sealing device of an aluminum electrolysis cell according to claim 5, wherein the insulating cotton is ceramic insulating cotton, glass fiber insulating cotton, aluminum silicate insulating cotton, rock wool, asbestos or alumina fiber blanket.
7. A gap sealing arrangement for aluminium electrolysis cells according to any one of claims 1 to 4, characterised in that a sealing strip is also provided at the edge of the oven door (2).
8. The gap sealing device of an aluminum electrolysis cell according to claim 7, wherein the sealing strip is ceramic insulation cotton, glass fiber insulation cotton, aluminum silicate insulation cotton, rock wool, asbestos, alumina fiber blanket or insulating adhesive tape.
9. The gap sealing device of an aluminum electrolysis cell according to any one of claims 1 to 4, wherein an observation hole is further formed in the cell cover plate (3), and a movable cover plate is arranged outside the observation hole and is fixed to the cell cover plate (3) by rivets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322010421.XU CN220246289U (en) | 2023-07-28 | 2023-07-28 | Gap sealing device of aluminum electrolysis cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322010421.XU CN220246289U (en) | 2023-07-28 | 2023-07-28 | Gap sealing device of aluminum electrolysis cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220246289U true CN220246289U (en) | 2023-12-26 |
Family
ID=89230189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322010421.XU Active CN220246289U (en) | 2023-07-28 | 2023-07-28 | Gap sealing device of aluminum electrolysis cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220246289U (en) |
-
2023
- 2023-07-28 CN CN202322010421.XU patent/CN220246289U/en active Active
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