CN215585775U - Portable gas cleaning device of electrolytic aluminum factory - Google Patents
Portable gas cleaning device of electrolytic aluminum factory Download PDFInfo
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- CN215585775U CN215585775U CN202122200871.6U CN202122200871U CN215585775U CN 215585775 U CN215585775 U CN 215585775U CN 202122200871 U CN202122200871 U CN 202122200871U CN 215585775 U CN215585775 U CN 215585775U
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- flue gas
- pipe
- cavity
- intake pipe
- electrolytic aluminum
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 30
- 238000004140 cleaning Methods 0.000 title claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000003546 flue gas Substances 0.000 claims abstract description 55
- 239000000428 dust Substances 0.000 claims abstract description 52
- 238000010521 absorption reaction Methods 0.000 claims abstract description 51
- 238000000746 purification Methods 0.000 claims abstract description 51
- 239000007789 gas Substances 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000000779 smoke Substances 0.000 claims abstract description 11
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000008021 deposition Effects 0.000 claims abstract description 6
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 6
- 239000011737 fluorine Substances 0.000 claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 239000002912 waste gas Substances 0.000 abstract description 31
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005262 decarbonization Methods 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000012047 saturated solution Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Water Treatment By Electricity Or Magnetism (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a movable flue gas purification device for an electrolytic aluminum plant, and belongs to the technical field of flue gas purification. The device includes the carriage, the wheel, the flue gas absorbs the cover, intake pipe and exhaust treatment device, the bottom in carriage is provided with the wheel, the bottom in carriage sets up exhaust treatment device, exhaust treatment device includes dust removal cavity and purification cavity, the fixed A end that sets up in the intake pipe of flue gas absorption cover, the B end downwardly extending of flue gas absorption cover to dust removal cavity bottom, dust removal cavity's middle part level is provided with the filter layer, the B end of flue gas absorption cover is located the below of filter layer, be provided with the deposition groove under the filter layer, be provided with the connecting pipe directly over the filter layer, the exhaust end of connecting pipe extends to in the absorption liquid of purification cavity, the top of purifying the cavity is provided with the blast pipe. The utility model absorbs the waste gas through the smoke absorption cover, removes dust and absorbs fluorine-containing gas and sulfur dioxide in the waste gas, thereby preventing harm to personnel and environment.
Description
Technical Field
The utility model relates to a movable flue gas purification device for an electrolytic aluminum plant, and belongs to the technical field of flue gas purification.
Background
When an aluminum factory replaces the anode of the electrolytic cell, a large amount of electrolytic cell smoke (the main component is carbon dioxide, and the main component contains sulfur dioxide, hydrogen fluoride, carbon monoxide and the like) and dust (mainly electrolytic cell covering materials and volatile electrolyte) are discharged from the inside of the electrolytic cell, and the gas and the dust cause great pollution to the environment of an electrolytic workshop, worsen the working environment of the electrolytic workshop and cause great harm to workers of the electrolytic workshop. At present, no effective treatment method is available for treating waste gas generated by anode replacement, so that the content of gas, dust and the like in an electrolytic workshop is high when the anode is replaced.
The exhaust gases accumulated in the electrolysis cell include gases such as hydrogen fluoride, sulfur dioxide, carbon dioxide and the like in many process sections, and the gases discharged in large quantities for a long time pollute the environment and are harmful to the health of operators.
SUMMERY OF THE UTILITY MODEL
The utility model provides a movable flue gas purification device of an electrolytic aluminum plant, aiming at the problem that toxic and harmful gas generated by an aluminum electrolytic cell when an anode is replaced harms the environment and workers.
The technical scheme adopted by the utility model for solving the technical problem is as follows:
a movable flue gas purification device for an electrolytic aluminum plant comprises a carriage, wheels, a flue gas absorption cover 1, an air inlet pipe and a waste gas treatment device, wherein the wheels are arranged at the bottom end of the carriage, the waste gas treatment device is arranged at the bottom of the carriage and comprises a dust removal cavity and a purification cavity, the flue gas absorption cover 1 is fixedly arranged at the end A of the air inlet pipe, the end B of the flue gas absorption cover 1 extends downwards to the bottom of the dust removal cavity, a filter layer 7 is horizontally arranged in the middle of the dust removal cavity, the end B of the flue gas absorption cover 1 is positioned below the filter layer 7, an ash accumulation groove 8 is arranged right below the filter layer 7, a connecting pipe is arranged right above the filter layer 7, an exhaust end of the connecting pipe extends into an absorption liquid 11 of the purification cavity, and an exhaust pipe is arranged at the top of the purification cavity;
the filter layer 7 comprises a dust removal net and an alumina purification layer, and the dust removal net is arranged below the alumina purification layer; when the waste gas mixed with dust enters the bottom of the dust removal cavity, dust and ash entering the mixture are separated through the dust removal filter screen, the gas is absorbed by the volatilized hydrofluoric acid gas through the aluminum oxide absorption layer 7, and the dust collecting groove 8 collects the dust falling on the dust removal filter screen; the fluorine-carrying aluminum oxide can be returned to the electrolytic cell for use, so that the use amount of aluminum fluoride in the electrolytic process is reduced;
the inner wall of the dust removal cavity is provided with a high-temperature steel anti-decarbonization and anti-corrosion coating; the purifying cavity is made of aluminum alloy;
the flue gas absorption cover 1 is of a horn-shaped structure;
the air inlet pipe comprises a telescopic air inlet pipe I2 and a rigid air inlet pipe II4, the rigid air inlet pipe II4 is vertically arranged in the carriage, a smoke outlet of the rigid air inlet pipe II4 is communicated with the bottom of the dust removal cavity, a smoke outlet of the rigid air inlet pipe II4 is positioned below the filter layer 7, one end of the telescopic air inlet pipe I2 is fixedly connected with the smoke absorption cover 1, and the other end of the telescopic air inlet pipe I2 is communicated with the top end of the rigid air inlet pipe II4 through a conversion pipe 3;
the top end of the rigid air inlet pipe II4 is fixedly provided with a support sleeve, the telescopic air inlet pipe I2 is arranged in the support sleeve, and the smoke absorption hood 1 is positioned outside the support sleeve; the inner wall of the support sleeve is provided with a heat insulation layer;
the inner wall of the flue gas absorption cover 1 is coated with a ceramic anticorrosive coating, so that the absorption port is prevented from being corroded by acid gas and oxidized by water vapor carried in the gas when industrial waste gas is absorbed for a long time;
the top end of the carriage is provided with a centrifugal fan 5, an air inlet of the centrifugal fan 5 is communicated with a rigid air inlet pipe II4, an air outlet of the centrifugal fan 5 is emptied, and an air inlet of the centrifugal fan 5 is provided with a guide device 6; when the centrifugal fan 5 works, the guide device 6 changes the direction of waste gas sent into the purification device by the centrifugal fan 5, the whole guide device comprises guide pieces and splitter plates, air flow is formed in a gap between an upper plate cover and a lower plate cover of each guide piece, a waste gas outlet is formed at an interval between adjacent splitter plates, and then under the action of an arc-shaped structure, air pressure conducts flow guiding and dispersing to an air flow space, so that waste gas is guided into an air inlet pipe, and the waste gas is prevented from directly entering the centrifugal fan;
the centrifugal fan 5 is a glass fiber reinforced plastic centrifugal fan;
a fluorine rubber O-shaped rubber sealing ring is arranged at the joint of the air inlet of the centrifugal fan 5 and the rigid air inlet pipe II 4;
the connecting pipe is provided with an anti-suck-back tank 9, the exhaust end of the connecting pipe is provided with a funnel-type exhaust port 10, and the funnel-type exhaust port 10 extends into the absorption liquid 11 of the purification cavity;
the gas after dust removal enters the anti-suck-back tank through the connecting pipe and then enters the absorption liquid 11 of the purification cavity, the waste gas is absorbed by the treatment liquid, and the purified gas is discharged through the blower device 12;
the exhaust pipe is provided with a blast exhaust device 12; the outer surface of the blast air exhaust device 12 is isolated by an anti-corrosion plate;
the exhaust pipe is of an S-shaped structure and made of polyethylene;
the movable flue gas purification device for the electrolytic aluminum plant further comprises a controller 13 arranged at the bottom of the carriage, and the centrifugal fan 5 and the blast air exhaust device 12 are connected with the controller 13;
the telescopic air inlet pipe I2 is a stainless steel threading hose, and a PVC anticorrosive layer is arranged on the inner side wall of the stainless steel threading hose;
the bottom surface of the carriage is provided with a shock insulation layer;
the absorption liquid 11 is Ca (OH)2And (4) saturated solution.
The waste gas purifying method based on the movable flue gas purifying device of the electrolytic aluminum plant comprises the following specific steps:
(1) adjusting the gas inlet pipe to the position of the electrolytic tank, and enabling the flue gas absorption cover to be positioned above the replacement anode of the electrolytic tank;
(2) waste gas enters a dust removal cavity of the waste gas treatment device through the gas inlet pipe, dust is removed through the filter layer, and dust particles fall into the dust deposition groove;
(3) the dust removal gas is introduced into the absorption liquid of the chemical cavity through the connecting pipe, the harmful gas is absorbed and purified by the absorption liquid, and the purified gas is exhausted through the exhaust pipe.
The utility model has the beneficial effects that:
(1) according to the utility model, the flue gas absorption cover is used for absorbing waste gas, the waste gas and dust enter the gas purification device under the action of the fan, and the fluorine-containing gas and sulfur dioxide in the waste gas are dedusted and absorbed, so that the waste gas of the electrolytic cell can be conveniently absorbed and purified when the anode of the electrolytic cell is replaced, fluorine-containing substances in the flue gas are recovered, and the harm to the environment is prevented;
(2) the flue gas absorption cover can be stretched to different positions above the side of the electrolytic cell, is suitable for absorbing the flue gas of the electrolytic cell when anodes at different positions are replaced, avoids the air pollution caused by gas generated when the anodes are replaced in the conventional electrolytic cell operation in the aspect of waste gas treatment, and effectively reduces the harm of the waste gas to workers.
Drawings
FIG. 1 is a schematic structural view of a mobile flue gas purification device of an electrolytic aluminum plant;
in the figure: 1-a flue gas absorption cover, 2-a telescopic air inlet pipe I, 3-a conversion pipe, 4-a rigid air inlet pipe II, 5-a centrifugal fan, 6-a guiding device, 7-a filter layer, 8-an ash deposition groove, 9-an anti-reverse suction tank, 10-a funnel type air outlet, 11-absorption liquid, 12-an air blast air exhaust device and 13-a controller.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Example 1: as shown in fig. 1, a movable flue gas purification device for an electrolytic aluminum plant comprises a carriage, wheels, a flue gas absorption cover 1, an air inlet pipe and a waste gas treatment device, wherein the wheels are arranged at the bottom end of the carriage, the waste gas treatment device is arranged at the bottom of the carriage and comprises a dust removal cavity and a purification cavity, the flue gas absorption cover 1 is fixedly arranged at an end A of the air inlet pipe, an end B of the flue gas absorption cover 1 extends downwards to the bottom of the dust removal cavity, a filter layer 7 is horizontally arranged in the middle of the dust removal cavity, the end B of the flue gas absorption cover 1 is positioned below the filter layer 7, an ash deposition groove 8 is arranged right below the filter layer 7, a connecting pipe is arranged right above the filter layer 7, an exhaust end of the connecting pipe extends into an absorption liquid 11 of the purification cavity, and an exhaust pipe is arranged at the top of the purification cavity;
the waste gas purifying method based on the movable flue gas purifying device of the electrolytic aluminum plant comprises the following specific steps:
(1) adjusting the gas inlet pipe to the position of the electrolytic tank, and enabling the flue gas absorption cover to be positioned above the replacement anode of the electrolytic tank;
(2) waste gas enters a dust removal cavity of the waste gas treatment device through the gas inlet pipe, dust is removed through the filter layer, and dust particles fall into the dust deposition groove;
(3) the dust removal gas is introduced into the absorption liquid of the purification cavity through the connecting pipe, the harmful gas is absorbed and purified by the absorption liquid, and the purified gas is exhausted through the exhaust pipe.
Example 2: the mobile flue gas purification device of the electrolytic aluminum plant in the embodiment is basically the same as the mobile flue gas purification device of the electrolytic aluminum plant in the embodiment 1, except that:
the flue gas absorption cover 1 is of a horn-shaped structure;
the air inlet pipe comprises a telescopic air inlet pipe I2 and a rigid air inlet pipe II4, the rigid air inlet pipe II4 is vertically arranged in the carriage, a smoke outlet of the rigid air inlet pipe II4 is communicated with the bottom of the dust removal cavity, a smoke outlet of the rigid air inlet pipe II4 is positioned below the filter layer 7, one end of the telescopic air inlet pipe I2 is fixedly connected with the smoke absorption cover 1, and the other end of the telescopic air inlet pipe I2 is communicated with the top end of the rigid air inlet pipe II4 through a conversion pipe 3;
the top end of the rigid air inlet pipe II4 is fixedly provided with a support sleeve, the telescopic air inlet pipe I2 is arranged in the support sleeve, and the smoke absorption hood 1 is positioned outside the support sleeve; the inner wall of the support sleeve is provided with a heat insulation layer;
the inner wall of the flue gas absorption cover 1 is coated with a ceramic anticorrosive coating, so that the absorption port is prevented from being corroded by acid gas and oxidized by water vapor carried in the gas when industrial waste gas is absorbed for a long time;
the top end of the carriage is provided with a centrifugal fan 5, an air inlet of the centrifugal fan 5 is communicated with a rigid air inlet pipe II4, an air outlet of the centrifugal fan 5 is emptied, and an air inlet of the centrifugal fan 5 is provided with a guide device 6; when the centrifugal fan 5 works, the guide device 6 changes the direction of waste gas sent into the purification device by the centrifugal fan 5, the whole guide device comprises guide pieces and splitter plates, air flow is formed in a gap between an upper plate cover and a lower plate cover of each guide piece, waste gas outlets are formed at intervals between adjacent splitter plates, and air pressure is guided and dispersed to an air flow space under the action of an arc-shaped structure of the splitter plates, so that the waste gas is guided into an air inlet pipe, and the waste gas is prevented from directly entering the centrifugal fan;
the centrifugal fan 5 is a glass fiber reinforced plastic centrifugal fan;
and a fluorine rubber O-shaped rubber sealing ring is arranged at the joint of the air inlet of the centrifugal fan 5 and the rigid air inlet pipe II 4.
Example 3: the mobile flue gas purification device of the electrolytic aluminum plant in the embodiment is basically the same as the mobile flue gas purification device of the electrolytic aluminum plant in the embodiment 2, except that: the filter layer 7 comprises a dust removal net and an alumina purification layer, and the dust removal net is arranged below the alumina purification layer; when the waste gas mixed with dust enters the bottom of the dust removal cavity, dust and ash entering the mixture are separated through the dust removal filter screen, the gas is absorbed by the volatilized hydrofluoric acid gas through the aluminum oxide absorption layer 7, and the dust collecting groove 8 collects the dust falling on the dust removal filter screen; the fluorine-carrying aluminum oxide can be returned to the electrolytic cell for use, so that the use amount of aluminum fluoride in the electrolytic process is reduced;
the inner wall of the dust removal cavity is provided with a high-temperature steel anti-decarbonization and anti-corrosion coating; the purification cavity is made of aluminum alloy.
Example 4: the mobile flue gas purification device of the electrolytic aluminum plant in the embodiment is basically the same as the mobile flue gas purification device of the electrolytic aluminum plant in the embodiment 3, except that: the connecting pipe is provided with an anti-suck-back tank 9, the exhaust end of the connecting pipe is provided with a funnel-type exhaust port 10, and the funnel-type exhaust port 10 extends into the absorption liquid 11 of the purification cavity;
the gas after dust removal enters the anti-suck-back tank through the connecting pipe and then enters the absorption liquid 11 of the purification cavity, the waste gas is absorbed by the treatment liquid, and the purified gas is discharged through the blower device 12; the blast air exhaust device 12 is arranged on the exhaust pipe; the outer surface of the blast air exhaust device 12 is isolated by an anti-corrosion plate;
the exhaust pipe is of an S-shaped structure and made of polyethylene;
the movable flue gas purification device for the electrolytic aluminum plant further comprises a controller 13 arranged at the bottom of the carriage, and the centrifugal fan 5 and the blast air exhaust device 12 are connected with the controller 13;
the telescopic air inlet pipe I2 is a stainless steel threading hose, and a PVC anticorrosive layer is arranged on the inner side wall of the stainless steel threading hose;
the bottom surface of the carriage is provided with a shock insulation layer; the absorption liquid 11 is Ca (OH)2A saturated solution;
the exhaust pipe is provided with a sealing ring at the contact part of the exhaust pipe and the purification cavity of the exhaust gas treatment device, and a triangular support frame is arranged at the contact part of the exhaust pipe and the carriage.
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes and modifications can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a portable gas cleaning device of electrolytic aluminum factory which characterized in that: the utility model discloses a carriage, the wheel, flue gas absorption cover (1), intake pipe and exhaust treatment device, the bottom in carriage is provided with the wheel, the bottom in carriage sets up exhaust treatment device, exhaust treatment device includes dust removal cavity and purification cavity, the fixed A end that sets up in the intake pipe of flue gas absorption cover (1), the B end downwardly extending of flue gas absorption cover (1) removes dust cavity bottom, the middle part level of dust cavity is provided with filter layer (7), the B end of flue gas absorption cover (1) is located the below of filter layer (7), be provided with ash deposition groove (8) under filter layer (7), be provided with the connecting pipe directly over filter layer (7), the exhaust end of connecting pipe extends to in purification cavity's absorption liquid (11), purification cavity's top is provided with the blast pipe.
2. The mobile flue gas purification device of the electrolytic aluminum plant according to claim 1, characterized in that: the smoke absorption cover (1) is of a horn-shaped structure.
3. The mobile flue gas purification device of the electrolytic aluminum plant according to claim 1, characterized in that: the intake pipe includes scalable intake pipe I (2) and rigidity intake pipe II (4), the vertical setting of rigidity intake pipe II (4) is in the carriage and the exhaust port and the dust removal cavity bottom intercommunication of rigidity intake pipe II (4), the exhaust port of rigidity intake pipe II (4) is located the below of filter layer (7), the one end and the flue gas absorption cover (1) fixed connection of scalable intake pipe I (2), the other end of scalable intake pipe I (2) passes through the top intercommunication of transition pipe (3) and rigidity intake pipe II (4).
4. The mobile flue gas purification device of the electrolytic aluminum plant according to claim 3, characterized in that: the top end of the carriage is provided with a centrifugal fan (5), the air inlet of the centrifugal fan (5) is communicated with a rigid air inlet pipe II (4), the air outlet of the centrifugal fan (5) is emptied, and the air inlet of the centrifugal fan (5) is provided with a guide device (6).
5. The mobile flue gas purification device of the electrolytic aluminum plant according to claim 4, characterized in that: and a fluorine rubber O-shaped rubber sealing ring is arranged at the joint of the air inlet of the centrifugal fan (5) and the rigid air inlet pipe II (4).
6. The mobile flue gas purification device of the electrolytic aluminum plant according to claim 1, characterized in that: the connecting pipe is provided with an anti-suck-back tank (9), the exhaust end of the connecting pipe is provided with a funnel type exhaust port (10), and the funnel type exhaust port (10) extends into the absorption liquid (11) of the purification cavity.
7. The mobile flue gas purification device of the electrolytic aluminum plant according to claim 4, characterized in that: the exhaust pipe is provided with an air blowing and exhausting device (12).
8. The mobile flue gas purification device of the electrolytic aluminum plant according to claim 7, characterized in that: the exhaust pipe is of an S-shaped structure.
9. The mobile flue gas purification device of the electrolytic aluminum plant according to claim 7, characterized in that: the device also comprises a controller (13) arranged at the bottom of the carriage, and the centrifugal fan (5) and the blast air exhaust device (12) are connected with the controller (13).
10. The mobile flue gas purification device of the electrolytic aluminum plant according to claim 3, characterized in that: scalable intake pipe I (2) are stainless steel threading hose, and stainless steel threading hose inside wall is provided with the PVC anticorrosive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122200871.6U CN215585775U (en) | 2021-09-13 | 2021-09-13 | Portable gas cleaning device of electrolytic aluminum factory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122200871.6U CN215585775U (en) | 2021-09-13 | 2021-09-13 | Portable gas cleaning device of electrolytic aluminum factory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215585775U true CN215585775U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122200871.6U Active CN215585775U (en) | 2021-09-13 | 2021-09-13 | Portable gas cleaning device of electrolytic aluminum factory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215585775U (en) |
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2021
- 2021-09-13 CN CN202122200871.6U patent/CN215585775U/en active Active
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