CN210065948U - Aluminum electrolytic cell with anode heat preservation device - Google Patents
Aluminum electrolytic cell with anode heat preservation device Download PDFInfo
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- CN210065948U CN210065948U CN201920516901.4U CN201920516901U CN210065948U CN 210065948 U CN210065948 U CN 210065948U CN 201920516901 U CN201920516901 U CN 201920516901U CN 210065948 U CN210065948 U CN 210065948U
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- 238000004321 preservation Methods 0.000 title claims abstract description 57
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 43
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 9
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 16
- 239000004411 aluminium Substances 0.000 description 11
- 239000003792 electrolyte Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 206010063659 Aversion Diseases 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 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 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
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- Electrolytic Production Of Metals (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
An aluminum electrolysis cell with an anode heat preservation device belongs to the technical field of aluminum electrolysis equipment. The aluminum cell with the anode heat preservation device is located above the anode group and below the gas collection cavity, the anode heat preservation device comprises a first cover plate arranged horizontally, first side plates are respectively arranged on the left side and the right side of the first cover plate, second side plates are respectively arranged on the front side and the rear side of the first cover plate, heat preservation materials are respectively arranged on the inner sides of the first cover plate, the first side plates and the second side plates, a heat preservation cavity is formed between the anode heat preservation device and a cell shell of the aluminum cell, a temperature sensor is arranged in the heat preservation cavity and is connected with a cell control machine, a pressure difference sensor is arranged in the heat preservation cavity and the gas collection cavity, and the pressure difference sensor is connected with the cell control machine. The aluminum cell with the anode heat preservation device can preserve heat of the anode group and prevent the anode carbon block from being oxidized, saves energy, reduces labor intensity of workers, reduces cost and has good economic benefit.
Description
Technical Field
The utility model relates to the technical field of aluminum electrolysis equipment, in particular to an aluminum electrolysis cell with an anode heat preservation device.
Background
In the traditional aluminum electrolysis production, in order to preserve the temperature of the anode and prevent oxidation, a layer of covering material of 150-250 mm is required to cover the upper part and the periphery of the anode group, and the covering material is usually prepared by crushing electrolyte and alumina powder according to a certain proportion. The anode group becomes a residual anode after a period of time, when the residual anode is replaced, a layer of thick and hard covering material covered on the anode group enters an anode assembly workshop along with the residual anode, and the residual anode treatment and new anode assembly are completed in the anode assembly workshop. The residual anode treatment comprises the cleaning of electrolyte and the pressure stripping of residual anode, the workload of the electrolyte in the cleaning and the subsequent treatment processes is very large, the electrolyte is cleaned through manual or mechanical equipment, the cleaned blocky materials are conveyed, crushed, screened and stored and then returned to an electrolysis workshop for use, the whole process needs to be provided with various devices, a plurality of working personnel are needed for participation, and a large amount of energy is consumed in the whole production process and the operation of the various devices. The electrolyte has dust in the whole circulation process of conveying, crushing, screening and using, and even if a dust removal purification system is added, the influence on the surrounding environment is inevitable, a large amount of electric energy is consumed in the operation of the dust removal purification system, and the operation cost is increased again. Therefore, the electrolyte and alumina powder are used as covering materials in electrolytic production, and the investment of workshop construction and the operation cost are high. In the prior art, in order to reduce the production cost, some anodes are insulated by a single anode, but the method increases working procedures and does not reduce or increase the comprehensive cost.
Disclosure of Invention
In order to solve the technical problems of high anode heat preservation cost, large energy consumption, large subsequent processing workload and the like of the aluminum electrolytic cell in the prior art, the utility model provides an aluminum electrolytic cell with an anode heat preservation device, which can play a heat preservation role on an anode group and prevent the anode carbon block from being oxidized, saves energy, reduces the labor intensity of workers, reduces cost and has good economic benefit.
In order to realize the purpose, the technical scheme of the utility model is that:
an aluminum electrolysis cell with an anode heat preservation device, wherein the anode heat preservation device is positioned above an anode group and below a gas collection cavity;
the anode heat preservation device comprises a first cover plate which is horizontally arranged, wherein the left side and the right side of the first cover plate are respectively provided with a first side plate, the front side and the rear side of the first cover plate are respectively provided with a second side plate, the top ends of the first side plate and the second side plate are respectively connected with the first cover plate, the bottom ends of the first side plate and the second side plate are respectively lapped on a cell shell of the aluminum electrolysis cell, heat preservation materials are respectively arranged on the inner sides of the first cover plate, the first side plate and the second side plate, and a heat preservation cavity is formed between the anode heat preservation device and the cell shell of the aluminum electrolysis cell;
a temperature sensor is arranged in the heat preservation cavity and connected with the tank control machine;
the heat preservation cavity and the air collecting cavity are provided with a differential pressure sensor, and the differential pressure sensor is connected with the tank control machine.
The gas collection chamber includes the second apron that the level set up, the left and right sides of second apron is equallyd divide and is equipped with the third curb plate respectively, both sides are equallyd divide around the second apron and are equipped with the fourth curb plate respectively, the second apron passes through the connecting rod with first apron and is connected.
The second cover plate and the first cover plate are both provided with through holes corresponding to the anode group guide rods, and the anode group guide rods penetrate through the through holes of the second cover plate and the first cover plate.
The junction of through-hole and positive pole group guide bar is equipped with insulating the pad, the junction of the bottom of first curb plate and second curb plate and the cell-shell of aluminium cell is equipped with insulating the pad.
The first cover plate is provided with an outer edge plate along the circumferential direction, and the top ends of the first side plate and the second side plate are lapped on the outer edge plate.
The utility model has the advantages that:
the utility model discloses an aluminium cell with positive pole heat preservation device, moreover, the steam generator is simple in structure, and convenient for operation, operation and maintenance cost are low, top and the below of gas collecting cavity of aluminium electrolysis cell positive pole group set up positive pole heat preservation device among the prior art, divide into the heat preservation chamber that lies in positive pole heat preservation device below and the new gas collecting cavity that lies in positive pole heat preservation device top with former gas collecting cavity, and through temperature sensor, differential pressure sensor and groove accuse machine monitor, it is effectual to keep warm, workman intensity of labour has been reduced by a wide margin, show saving capital construction and running cost, the energy saving, voltage drop 20mV can be practiced thrift to average single groove, economic benefits is showing.
Drawings
FIG. 1 is a schematic structural view of an aluminum electrolytic cell with an anode thermal insulation device provided by the present invention;
fig. 2 is a schematic sectional view a-a of fig. 1 provided by the present invention;
fig. 3 is a schematic structural diagram of the anode thermal insulation device provided by the present invention.
Wherein,
1-a first cover plate, 2-a second cover plate, 3-a first side plate, 4-a second side plate, 5-a connecting rod, 6-a heat preservation cavity, 7-an anode group and 8-a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," and may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to solve the problems in the prior art, as shown in fig. 1 to 3, the utility model provides an aluminum electrolysis cell with an anode heat preservation device, wherein the anode heat preservation device is positioned above an anode group 7 and below a gas collection cavity;
the anode thermal insulation device comprises a first cover plate 1 which is horizontally arranged, the left side and the right side of the first cover plate 1 are respectively provided with a first side plate 3, the front side and the rear side of the first cover plate 1 are respectively provided with a second side plate 4, the top ends of the first side plate 3 and the second side plate 4 are connected with the first cover plate 1, the bottom ends of the first side plate 3 and the second side plate 4 are respectively lapped on a cell shell of the aluminum electrolytic cell, the inner sides of the first cover plate 1, the first side plate 3 and the second side plate 4 are respectively provided with a thermal insulation material, and a thermal insulation cavity 6 is formed between the anode thermal insulation device and the cell shell of the aluminum;
a temperature sensor is arranged in the heat preservation cavity 6 and is connected with the tank control machine;
the heat preservation cavity 6 and the air collecting cavity are provided with a differential pressure sensor which is connected with the tank control machine.
The utility model discloses in, the gas collection chamber sets up in the top of heat preservation chamber 6, the gas collection chamber includes second apron 2 that the level set up, the left and right sides of second apron 2 is equallyd divide and is do not equipped with the third curb plate, both sides are equallyd divide around the second apron 2 and do not are equipped with the fourth curb plate, the fourth curb plate is located the tip of aluminium cell, and the fourth curb plate is equipped with the door, the top of third curb plate and fourth curb plate all is connected with second apron 2, the bottom of third curb plate and fourth curb plate all is taken on the cell shell of aluminium cell, second apron 2 passes through connecting rod 5 with first apron 1 and is connected, the upper surface and the aluminium cell superstructure girder of second apron 2 are connected. The second cover plate 2 and the first cover plate 1 are both provided with through holes 8 corresponding to the guide rods of the anode group 7, and the guide rods of the anode group 7 penetrate through the through holes 8 of the second cover plate 2 and the first cover plate 1. The joint of the through hole 8 and the guide rod of the anode group 7 is provided with an insulating pad, and the joint of the bottom ends of the first side plate 3 and the second side plate 4 and the shell of the aluminum electrolytic cell is provided with the insulating pad. First apron 1, first curb plate 3 and second curb plate 4 are makeed by the aluminium alloy. First apron 1 is equipped with outer board along circumference, and the top of first curb plate 3 and second curb plate 4 is taken on outer board along the circumference, and second apron 2 is equipped with outer board along circumference, and the top of third curb plate and fourth curb plate is taken on outer board along the circumference.
In the utility model, the anode heat preservation device divides the original gas collecting cavity of the aluminum electrolytic cell into an upper cavity and a lower cavity, the upper cavity is the gas collecting cavity, the lower cavity is the heat preservation cavity 6, the heat preservation cavity 6 is positioned below the gas collecting cavity, and the anode carbon block and the electrolyte melt are arranged above the anode group 7 to play the roles of heat preservation and oxidation prevention for the anode group 7, so as to replace the covering material which is used in a large amount on the traditional electrolytic cell, the first cover plate 1 is fixedly arranged above the anode group 7, which is equivalent to one part of the upper structure of the electrolytic cell, and the electrolytic cell is only required to be maintained and replaced when being overhauled; the top of first curb plate 3 and second curb plate 4 all takes on first apron 1, and the bottom of first curb plate 3 and second curb plate 4 all takes on the cell-shell of aluminium cell, and the cell-shell of first apron 1 and aluminium cell provides the support for placing of first curb plate 3 and second curb plate 4, and first curb plate 3 and second curb plate 4 are mobilizable, when changing the utmost point, snatch by the manual work, and a certain side of aversion electrolysis trough gets the curb plate, resets after accomplishing changing the utmost point. For convenient use, the first side plate 3 and the second side plate 4 can be divided into a plurality of small side plates respectively, and handles are installed to facilitate moving one by one. The heat-insulating material is made of aluminum silicate refractory fiber, and is resistant to high temperature and fire and has certain mechanical strength. The second cover plate 2 is directly connected with the first cover plate 1 through a connecting rod 5, and the upper surface of the second cover plate 2 is directly connected with a girder of the upper structure of the aluminum electrolytic cell to support and fix the second cover plate 2 and the first cover plate 1. Temperature sensor is installed on the first apron 1 in heat preservation chamber 6, with temperature data transmission to groove accuse machine, carries out real-time supervision to the temperature in the heat preservation chamber 6, if the temperature in the heat preservation chamber 6 is less than the setting value, just adjusts the position of first curb plate 3 and second curb plate 4, makes first curb plate 3 and second curb plate 4 closely set up next, guarantees the temperature in heat preservation chamber 6, and in this embodiment, temperature sensor's model is PT 1000. Be equipped with differential pressure sensor between heat preservation chamber 6 and gas collecting chamber, with differential pressure data transmission to groove accuse machine, carry out real-time supervision to the pressure differential of heat preservation chamber 6 and gas collecting chamber, detect and whether externally show the malleation, if the malleation, oxygen-free gas gets into, if not malleation, just adjust the position of first curb plate 3 and second curb plate 4, make first curb plate 3 and second curb plate 4 closely set up next, guarantee to externally show the malleation, differential pressure sensor's model is BP/BV-E500.
The utility model discloses in, the gas collecting chamber passes through aluminium cell flue, workshop tobacco pipe and external clean system intercommunication, and the gas collecting chamber is used for collecting the electrolysis flue gas that the electrolysis produced, and the electrolysis flue gas gets into clean system through the workshop tobacco pipe, discharges to the atmosphere in the purification treatment back, reaches the purpose of purification. The second apron 2 is fixed to be set up in 1 top of first apron, the top of third curb plate and fourth curb plate is all taken on second apron 2, the bottom of third curb plate and fourth curb plate is all taken on the cell-shell of aluminium cell, the cell-shell of second apron 2 and aluminium cell provides the support for placing of third curb plate and fourth curb plate, third curb plate and fourth curb plate are mobilizable, when changing the utmost point, snatch by the manual work, aversion electrolysis trough both sides apron resets after the completion of changing the utmost point. For convenience of use, the third side plate and the fourth side plate can be divided into a plurality of small side plates respectively, and a handle is mounted to facilitate displacement operation.
The utility model provides a use method of an aluminum cell with an anode heat preservation device, which comprises the following steps:
the main body part of the anode heat preservation device is an aluminum profile, and a heat preservation material is arranged on the inner side close to the anode group 7, so that heat of the anode is prevented from being dissipated through the anode heat preservation device. When pole changing is carried out, the third side plate or the fourth side plate is manually grabbed and shifted, then the first side plate 3 or the second side plate 4 is manually grabbed and shifted, and after pole changing is completed, the side plates are reset.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. An aluminum electrolytic cell with an anode heat preservation device is characterized in that the anode heat preservation device is positioned above an anode group and below a gas collection cavity;
the anode heat preservation device comprises a first cover plate which is horizontally arranged, wherein the left side and the right side of the first cover plate are respectively provided with a first side plate, the front side and the rear side of the first cover plate are respectively provided with a second side plate, the top ends of the first side plate and the second side plate are respectively connected with the first cover plate, the bottom ends of the first side plate and the second side plate are respectively lapped on a cell shell of the aluminum electrolysis cell, heat preservation materials are respectively arranged on the inner sides of the first cover plate, the first side plate and the second side plate, and a heat preservation cavity is formed between the anode heat preservation device and the cell shell of the aluminum electrolysis cell;
a temperature sensor is arranged in the heat preservation cavity and connected with the tank control machine;
the heat preservation cavity and the air collecting cavity are provided with a differential pressure sensor, and the differential pressure sensor is connected with the tank control machine.
2. The aluminum reduction cell with the anode temperature preservation device according to claim 1, wherein the gas collection chamber comprises a horizontally arranged second cover plate, the left side and the right side of the second cover plate are respectively provided with a third side plate, the front side and the rear side of the second cover plate are respectively provided with a fourth side plate, and the second cover plate is connected with the first cover plate through a connecting rod.
3. The aluminum reduction cell with the anode thermal insulation device according to claim 2, wherein the second cover plate and the first cover plate are both provided with through holes corresponding to the anode group guide rods, and the anode group guide rods penetrate through the through holes of the second cover plate and the first cover plate.
4. The aluminum reduction cell with the anode thermal insulation device according to claim 3, wherein an insulation pad is arranged at the joint of the through hole and the guide rod of the anode group, and an insulation pad is arranged at the joint of the bottom ends of the first side plate and the second side plate and the cell shell of the aluminum reduction cell.
5. The aluminum reduction cell with the anode temperature maintaining device according to claim 1, wherein the first cover plate is provided with an outer edge plate along the circumferential direction, and the top ends of the first side plate and the second side plate are lapped on the outer edge plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516901.4U CN210065948U (en) | 2019-04-17 | 2019-04-17 | Aluminum electrolytic cell with anode heat preservation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516901.4U CN210065948U (en) | 2019-04-17 | 2019-04-17 | Aluminum electrolytic cell with anode heat preservation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210065948U true CN210065948U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920516901.4U Active CN210065948U (en) | 2019-04-17 | 2019-04-17 | Aluminum electrolytic cell with anode heat preservation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210065948U (en) |
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2019
- 2019-04-17 CN CN201920516901.4U patent/CN210065948U/en active Active
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