CN220034692U - Simple pole-changing sealing cover for aluminum electrolytic tank - Google Patents
Simple pole-changing sealing cover for aluminum electrolytic tank Download PDFInfo
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- CN220034692U CN220034692U CN202322823464.XU CN202322823464U CN220034692U CN 220034692 U CN220034692 U CN 220034692U CN 202322823464 U CN202322823464 U CN 202322823464U CN 220034692 U CN220034692 U CN 220034692U
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- sealing
- cover
- sealing plate
- plate
- anode
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- 238000007789 sealing Methods 0.000 title claims abstract description 56
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000005868 electrolysis reaction Methods 0.000 claims description 24
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 22
- 239000003546 flue gas Substances 0.000 description 22
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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- Electrolytic Production Of Metals (AREA)
Abstract
The utility model discloses a simple pole-changing sealing cover for an aluminum electrolytic cell, which comprises a sealing plate with the width consistent with the width of cell cover plates of the aluminum electrolytic cell, wherein one side of the upper part of the sealing plate is fixedly provided with a hanging device, two end parts of the sealing plate are provided with lap joint devices which are lapped with two adjacent cell cover plates, and the lower part of the sealing plate is also provided with a protective rod. The sealing protective cover has small weight and is convenient to install and detach; the anode can cover a part of area of the vacant polar position, the tightness is good, the space below the anode does not influence the technological operations such as block fishing, measurement, furnace bottom touch and the like in the anode replacement operation, and the anode has a safety protection function.
Description
Technical Field
The utility model relates to the technical field of aluminum electrolysis, in particular to a simple pole-changing sealing cover of an aluminum electrolysis cell.
Background
CO is generated in the production of the aluminum electrolysis cell 2 The electrolytic tank also emits pollutants such as fluoride, sulfur dioxide, dust and the like, and the gas pollutants with dust are commonly called high-temperature electrolysis flue gas. Most of the electrolytic flue gas enters an electrolytic flue gas purifying system for centralized treatment and is discharged into the atmosphere after reaching the standard, namely, the electrolytic flue gas is discharged in an organized way. Part of the flue gas which is not collected (dissipated) by the electrolysis flue gas purification system escapes from the electrolysis tank and then is diffused in a production workshop, and finally, the flue gas is directly discharged to the atmosphere through a skylight, namely, the flue gas is discharged in an unstructured way. The gas collecting efficiency of the electrolytic tank is the proportion of the electrolytic flue gas collected by the organized discharge mode to the total electrolytic flue gas, namely, the higher the gas collecting efficiency is, the less the unorganized discharge of the electrolytic flue gas is.
According to the related researches, the unorganized discharge of the electrolysis flue gas generated by the operation of replacing the anode of the aluminum electrolysis cell occupies more than half (about 54%) of the total unorganized discharge of the aluminum electrolysis cell, and because the cell cover plate needs to be opened during the operation of replacing the anode, the sealing rate of the electrolysis cell is affected, and as shown in fig. 1, the gas collecting efficiency of the electrolysis cell is reduced, so that the electrolysis flue gas is easy to overflow, and the unorganized discharge is increased. The electrolytic flue gas can influence the health of staff, worsen the operation site and pollute the environment, so an effective method for reducing the unorganized emission of the electrolytic flue gas is sought, the electrolytic flue gas is converted into the organized emission, and the organized emission is introduced into an electrolytic flue gas purifying system for centralized treatment and is converted into the organized emission, and the method has great significance for reducing the unorganized emission of the electrolytic flue gas.
In addition, when the anode is replaced in the aluminum electrolysis cell, the crust around the anode scrap is broken to take the anode scrap out of the electrolyte, after the crust is broken, a cell cover plate is opened to take the anode scrap out, then process operations such as block fishing, measurement, furnace bottom touch and the like are carried out, and finally a new anode is replaced in the electrolytic cell; the fishing block, namely the crusting block, needs to be cleaned from the electrolytic tank, the existing cleaning mode is to hook out by using a long hook manually, the problem is that the electrolytic tank after the tank cover plate is opened has no protective measure, the crusting block has large weight and high temperature, and the staff has potential safety hazard of stepping into the electrolytic tank.
Disclosure of Invention
The utility model aims to provide a simple pole-changing sealing cover which can protect personnel safely and reduce overflow of electrolytic smoke in the process of replacing an anode by aluminum electrolysis.
The utility model is implemented by the following technical scheme: a simple pole-changing sealing cover for an aluminum electrolytic cell comprises a sealing plate with the width consistent with the width of cell cover plates of the aluminum electrolytic cell, wherein one side of the upper part of the sealing plate is fixedly provided with a hanging device, two end parts of the sealing plate are provided with lap joint devices which are lapped with two adjacent cell cover plates, and the lower part of the sealing plate is also provided with a protective rod.
Preferably, the sealing plate is gradually inwards bent from top to bottom to form an arc, and the arc of the sealing plate is the same as that of the slot cover plate.
Preferably, the hanging device is a hanging plate which is horizontally arranged, and fireproof sealing cotton is further arranged on the hanging plate.
Preferably, the lapping device is a lapping sheet, and refractory sealing cotton is arranged on a sheet body positioned on one side of the inwards bent sealing plate.
Preferably, the lapping device further comprises a lapping rod horizontally disposed on the sealing plate.
Preferably, the sealing plate is also provided with a handle.
The utility model has the advantages that:
1. the sealing protective cover has small weight and is convenient to install and detach; the anode can cover a part of area of the vacant polar position, the tightness is good, the space below the anode does not influence the technological operations such as block fishing, measurement, furnace bottom touch and the like in the anode replacement operation, and the anode has a safety protection function.
2. The sealing protective cover disclosed by the utility model can improve the gas collecting efficiency during the pole-changing operation of the electrolytic tank, reduce the overflow of flue gas, reduce the unorganized emission of electrolytic flue gas, optimize the field operation environment and ensure the occupational health and safety of staff. Therefore, the utility model has the characteristics of simple structure, convenient operation and reliable use.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Figure 1 is a state diagram of the replacement of the anode of an aluminium electrolysis cell prior to retrofitting.
Figure 2 is a state diagram of the replacement of the anode of the aluminium electrolysis cell after modification of the present embodiment.
Fig. 3 is an enlarged schematic view at a of fig. 2.
In the figure: the device comprises a sealing plate 1, a hanging plate 2, a lapping sheet 3, a lapping rod 4, a protection rod 5, a handle 6, a slot cover plate 7, a horizontal cover plate 8 and an anode guide rod 9.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 2-3, a simple pole-changing sealing cover for an aluminum electrolysis cell comprises a sealing plate 1, wherein the width of the sealing plate 1 is consistent with that of a cell cover plate 7 of the aluminum electrolysis cell, the sealing plate 1 is gradually inwards bent from top to bottom to form an arc, and the arc of the sealing plate 1 is identical with that of the cell cover plate 7. For convenience in description, one inwards bent surface of the sealing plate 1 is an inner side surface, a hanging plate 2 is horizontally and fixedly arranged on the upper part of the inner side surface of the sealing plate 1, and fireproof sealing cotton is further arranged on the hanging plate 2; the two ends of the sealing plate 1 are provided with overlapping plates 3 overlapped with two adjacent groove cover plates 7, and a sheet body of the overlapping plates 3 positioned at one inward bending side of the sealing plate 1 is provided with fire-resistant sealing cotton; the outer side surface of the sealing plate 1 is also provided with a horizontal lap joint rod 4; the lower part of the sealing plate 1 is also provided with a protective rod 5; handles 6 are also arranged at two ends of the outer side surface of the sealing plate 1.
Description of use:
after the cell cover plates 7 are opened for pole replacement and the anode residue is taken out, a simple pole replacement sealing cover is placed at the position of the empty cell cover plates 7, the hanging plate 2 is hung with the horizontal cover plates 8 at the upper parts of the electrolytic cells, the lapping tabs 3 are lapped on the two adjacent cell cover plates 7, the lapping bars 4 are lapped on the transverse keels of the two adjacent cell cover plates 7, the whole shape of the pole replacement sealing cover and the radian of the cell cover plates can be completely combined, the gap is small, the overflow of electrolytic flue gas can be reduced, the gas collecting efficiency of the electrolytic cells can be improved, and the unorganized emission of the flue gas is reduced; the space below the pole-changing sealing cover can meet the technological operations of fishing blocks, measuring, touching the furnace bottom and the like in the anode replacement operation.
After the operation is completed, the handle 6 can be taken down by only carrying the handle by a worker.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The simple pole-changing sealing cover for the aluminum electrolysis cell is characterized by comprising a sealing plate with the width consistent with the width of cell cover plates of the aluminum electrolysis cell, wherein one side of the upper part of the sealing plate is fixedly provided with a hanging device, two end parts of the sealing plate are provided with lap joint devices which are lapped with two adjacent cell cover plates, and the lower part of the sealing plate is also provided with a protective rod.
2. The simple pole changing seal cover for an aluminum electrolytic cell according to claim 1, wherein the seal plate is gradually bent inwards from top to bottom to form an arc, and the arc of the seal plate is identical to the arc of the cell cover plate.
3. The simple pole-changing sealing cover for an aluminum electrolysis cell according to claim 2, wherein the hanging device is a hanging plate which is horizontally arranged, and fireproof sealing cotton is further arranged on the hanging plate.
4. The simple pole changing sealing cover for the aluminum electrolysis cell according to claim 1, wherein the lap joint device is a lap joint piece, and refractory sealing cotton is arranged on a sheet body positioned on one side of the inward bending of the sealing plate.
5. The simple pole change seal cover for an aluminum electrolysis cell according to claim 4, wherein the lap joint device further comprises a lap joint rod horizontally arranged on the sealing plate.
6. The simple pole changing sealing cover for the aluminum electrolysis cell according to claim 1, wherein a handle is further arranged on the sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322823464.XU CN220034692U (en) | 2023-10-20 | 2023-10-20 | Simple pole-changing sealing cover for aluminum electrolytic tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322823464.XU CN220034692U (en) | 2023-10-20 | 2023-10-20 | Simple pole-changing sealing cover for aluminum electrolytic tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220034692U true CN220034692U (en) | 2023-11-17 |
Family
ID=88743621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322823464.XU Active CN220034692U (en) | 2023-10-20 | 2023-10-20 | Simple pole-changing sealing cover for aluminum electrolytic tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220034692U (en) |
-
2023
- 2023-10-20 CN CN202322823464.XU patent/CN220034692U/en active Active
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