Energy-saving treatment device and method for electrolytic aluminum waste gas

Abstract

The invention discloses an electrolytic aluminum waste gas energy-saving treatment device and method, and relates to the technical field of waste gas treatment.The electrolytic aluminum waste gas energy-saving treatment device comprises a treatment box, a gas inlet pipe, a driving device, a filter plate, a cleaning device and a gas outlet pipe, the top of the treatment box is fixedly connected with the gas inlet pipe, the gas inlet pipe is fixedly connected with the driving device, and the gas inlet pipe communicates with the driving device; the driving device is connected with the cleaning device, the filter plate is connected with the treatment box, the bottom of the side edge of the treatment box is communicated with the gas outlet pipe, the treatment box serves as a main installation foundation and is used for installing and positioning other devices, waste gas generated by electrolytic aluminum is conveyed into the driving device through the gas inlet pipe, and energy of the waste gas is converted into power of the driving device through the driving device. The driving device drives the cleaning device to move up and down, meanwhile, waste gas enters the treatment box, the waste gas is filtered and adsorbed through the filter plate, pollutants in the waste gas are treated, then the filter plate is cleaned through the cleaning device, and finally the waste gas is discharged from the gas outlet pipe.

Description

Technical Field

[0001] The present invention relates to the technical field of waste gas treatment, and specifically to an energy-saving treatment device and method for waste gas from electrolytic aluminum production. Background Art

[0002] In the current production process of electrolytic aluminum, the cryolite-aluminum oxide molten salt electrolysis method is mostly used. By using molten cryolite as the main solvent, aluminum oxide as the main solute, a carbon body as the anode, and aluminum liquid as the cathode, after passing an electric current, a reaction starts, and certain waste gas is generated after the reaction. The waste gas mainly consists of carbon dioxide and carbon monoxide gases, which contain certain amounts of harmful gases such as hydrogen fluoride and solid dust.

[0003] Since the waste gas generated from electrolytic aluminum contains harmful gases, the waste gas cannot be directly discharged into the air. The waste gas generated from electrolytic aluminum needs to be sent into a corresponding treatment device for purification treatment by a suction fan. When treating the waste gas, the solid dust in the waste gas may block the filtering device, and the filtering device needs to be cleaned in time to prevent blockage. At the same time, the filter screen also needs to be replaced in time to prevent the reaction absorption device in the filter screen from completely reacting with the harmful gases in the waste gas and being unable to work properly. At the same time, there is also a certain amount of energy in the waste gas that cannot be utilized, resulting in a certain amount of energy waste. Summary of the Invention

[0004] The purpose of the present invention is to provide an energy-saving treatment device and method for waste gas from electrolytic aluminum production to solve the problems raised in the prior art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] An energy-saving treatment device for waste gas from electrolytic aluminum production includes a treatment tank, an intake pipe, a driving device, a filter plate, a cleaning device, and an outlet pipe. The top of the treatment tank is fixedly connected to the intake pipe, the intake pipe is fixedly connected to the driving device, the intake pipe is communicated with the driving device, the driving device is connected to the cleaning device, the filter plate is connected to the treatment tank, and the bottom side of the treatment tank is communicated with the outlet pipe.

[0007] The treatment tank serves as the main installation base for the installation and positioning of other devices. The waste gas generated from electrolytic aluminum production is sent to the intake pipe by a suction fan, and then enters the driving device through the intake pipe. The energy in the waste gas is converted into the power of the driving device through the driving device, so that the driving device drives the cleaning device to move up and down. At the same time, the waste gas enters the treatment tank, and then the harmful substances in the waste gas are filtered and adsorbed through the filter plate, and the harmful substances in the waste gas are treated. Then, the cleaning device moves up and down to realize the function of cleaning the filter plate. Finally, the treated waste gas is discharged from the outlet pipe. By using the heat energy in the waste gas and the energy transmitted by the suction fan to drive the cleaning device to clean the filter plate, the purpose of energy conservation and emission reduction is achieved.

[0008] Further, a fixing plate, a dismounting plate and a partition plate are also provided on the treatment box. The partition plate is placed on the treatment box. The fixing plate is fixedly connected to the treatment box. The dismounting plate is snap-connected to the treatment box. The fixing plate is snap-connected to the filter plate.

[0009] By snap-connecting the dismounting plate to the treatment box and the fixing plate to the filter plate, the filter plate is convenient to disassemble and replace. By placing the partition plate on the treatment box, a placement position is provided for the partition plate.

[0010] Further, the treatment box is provided with an installation groove and a sliding groove. The dismounting plate is placed in the installation groove. A sealing ring is provided in the installation groove. The dismounting plate is snap-connected to the installation groove. The dismounting plate is slidably connected to the sliding groove.

[0011] The installation groove serves as an installation base for providing an installation position for the dismounting plate. By providing a sealing ring on the installation groove, the sealing performance of the installation groove is improved to prevent waste gas from leaking from the installation groove. At the same time, the sliding groove serves as a track for the dismounting plate to move on the sliding groove.

[0012] Further, the driving device includes a connecting body, a driving air pipe, a connecting column and a driving gear. The connecting body is square. There are four driving air pipes. The four driving air pipes communicate with the four side surfaces of the connecting body. The four side surfaces of the connecting body are respectively fixedly connected to the four driving air pipes. The top of the connecting body communicates with the air inlet pipe. The connecting body is fixedly connected to the connecting column. The connecting column is fixedly connected to the driving gear. The driving gear is fixedly connected to the cleaning device.

[0013] The connecting body serves as the main installation base for the installation and positioning of other devices. The exhaust fan sends the waste gas into the air inlet pipe. The waste gas is sent into the connecting body through the air inlet pipe, and then is dispersed into the four driving air pipes in the connecting body. Finally, the waste gas flows out of the driving air pipe into the treatment box. When the waste gas flows out of the driving air pipe, the waste gas generates a reaction force on the driving air pipe, causing the driving air pipe to rotate. The rotation of the driving air pipe drives the connecting body to rotate. The rotation of the connecting body drives the connecting column to rotate. The rotation of the connecting column drives the driving gear to rotate. By the rotation of the driving gear, the cleaning device is driven to move, so that the cleaning device can clean the filter plate. By the reaction force of the waste gas on the driving air pipe, the energy in the waste gas is converted into the power for the rotation of the driving air pipe, thus saving the energy for rotating the driving air pipe.

[0014] Further, the installation direction of the air outlet of the driving air pipe is obliquely downward.

[0015] By setting the installation method of the nozzle of the driving air pipe to be obliquely downward, it is ensured that after the waste gas comes out of the driving air pipe, there is a certain reaction force on the driving air pipe to drive the driving air pipe to rotate around the connecting body. At the same time, it is also ensured that the waste gas is exhausted downward, so that the waste gas can quickly pass through the filter plate for filtration, improving the treatment efficiency of the waste gas. At the same time, it also improves the effect of converting the energy in the waste gas into the reaction force on the driving air pipe, achieving the effect of energy saving.

[0016] Furthermore, the cleaning device includes a first support column, a connecting gear, a second support column, a rack, a cleaning plate, a third support column and a conveyor belt. The first support column is fixedly connected to the fixed plate. The side of the first support column away from the fixed plate is fixedly connected to the connecting gear. The connecting gear meshes with the driving gear. There are two second support columns. The two second support columns are fixedly connected to the fixed plate. The outside of the two second support columns is sleeved with a rack. The rack is rotatably connected to the two second support columns. The third support column is fixedly connected to the fixed plate. There are two third support columns. The outside of the two third support columns is sleeved with a conveyor belt. The conveyor belt is fixedly connected to the two third support columns. The conveyor belt is fixedly connected to the cleaning plate. One end of the conveyor belt away from the cleaning plate is fixedly connected to the rack. The cleaning plate is provided with cleaning brushes, and the cleaning brushes are fixedly connected to the cleaning plate.

[0017] The first support column, the second support column and the third support column serve as the main installation bases for the installation and positioning of other components. The connecting gear is installed and fixed through the first support column. The rack is installed and positioned through the two second support columns. The conveyor belt is installed and positioned through the two third support columns. When the driving gear rotates, the connecting gear is driven to rotate by the driving gear. The connecting gear rotates to drive the rack to rotate. The rack rotates to drive the cleaning plate to move up and down. The cleaning plate moves up and down to drive the conveyor belt to move. At the same time, the two ends of the cleaning plate are fixed by the conveyor belt and the rack to prevent the cleaning plate from shifting during the up and down movement. When the cleaning plate moves up and down, the cleaning brushes are driven to move up and down by the cleaning plate, so that the cleaning brushes can clean the surface of the filter plate, sweeping the dust on the filter plate, improving the filtration efficiency of the filter plate. The energy in the waste gas is converted into the power source for driving the connecting gear to rotate through the driving air pipe, saving energy consumption.

[0018] Furthermore, the filter plate is composed of alumina material.

[0019] By using a filter plate made of alumina material, harmful substances in the waste gas can be removed to the greatest extent, improving the filtration effect of the filter plate.

[0020] Furthermore, the method of the treatment device includes the following steps:

[0021] S: The waste gas generated by electrolytic aluminum enters the driving device through the intake pipe, and then the waste gas drives the driving device to rotate.

[0022] S. The driving device rotates to drive the cleaning device to clean the dust on the filter plate.

[0023] S. Replace the inoperative filter plate. Open the clamping connection between the disassembly plate and the installation groove, then use the partition plate to push out the disassembly plate so that the disassembly plate can slide along the sliding groove to the uppermost end of the sliding groove. Open the clamping connection on the filter plate, then take out the filter plate from the installation groove, replace it with a new filter plate, then clamp the new filter plate and other connecting components, take out the partition plate. At the same time, the partition plate drives the disassembly plate to move back to its original position, and then the disassembly plate is clamped with other components.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0025] 1. A driving device is provided. The driving device converts the energy in the waste gas into the power of the driving device, providing a power source for the driving device, reducing energy consumption, and achieving the effect of energy conservation and emission reduction.

[0026] 2. A cleaning device is provided. The connecting gear of the cleaning device converts the energy utilized by the driving device from the waste gas into the power source for the cleaning device to clean the filter plate, utilizes the energy in the waste gas on the cleaning device, saves some energy, and improves the energy utilization efficiency.

[0027] 3. An installation groove and a partition plate are provided, which can realize the replacement of the filter plate during the waste gas filtration process, improving the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is the overall structural schematic diagram of the present invention;

[0029] Figure 2 is the structural schematic diagram of the driving device of the present invention;

[0030] Figure 3 is Figure 2 the partial enlarged view of A;

[0031] Figure 4 is the structural schematic diagram of the processing box of the present invention;

[0032] Figure 5 is Figure 4 the partial enlarged view of B;

[0033] Figure 6 is the structural schematic diagram of the filter plate of the present invention;

[0034] Figure 7 is the installation schematic diagram of the partition plate;

[0035] Figure 8 is the structural schematic diagram of the disassembly plate.

[0036] In the figure: 1. Processing box; 11. Installation groove; 12. Sliding groove; 2. Air inlet pipe; 3. Driving device; 31. Connecting body; 32. Driving air pipe; 33. Connecting column; 34. Driving gear; 4. Filter plate; 5. Cleaning device; 51. First support column; 52. Connecting gear; 53. Second support column; 54. Rack; 55. Cleaning plate; 56. Third support column; 57. Conveyor belt; 58. Cleaning brush; 6. Air outlet pipe; 7. Fixed plate; 8. Demountable plate; 9. Partition plate. Detailed implementation manners

[0037] Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0038] As Figures 1 - 8 shown, the present invention provides a technical solution for an energy-saving treatment device and method for waste gas from electrolytic aluminum. The waste gas energy-saving treatment device includes a processing box 1, an air inlet pipe 2, a driving device 3, a filter plate 4, a cleaning device 5 and an air outlet pipe 6. The top of the processing box 1 is fixedly connected to the air inlet pipe 2, the air inlet pipe 2 is fixedly connected to the driving device 3, the air inlet pipe 2 communicates with the driving device 3, the driving device 3 is connected to the cleaning device 5, the filter plate 4 is connected to the processing box 1, and the bottom side of the processing box 1 communicates with the air outlet pipe 6.

[0039] The processing box 1 serves as the main installation foundation for the installation and positioning of other devices. The waste gas generated by electrolytic aluminum is sent to the air inlet pipe 2 by a suction fan, and then enters the driving device 3 from the air inlet pipe 2. The energy in the waste gas is converted into the power of the driving device 3 through the driving device 3, so that the driving device 3 drives the cleaning device 5 to move up and down. At the same time, the waste gas enters the processing box 1, and then the harmful substances in the waste gas are filtered and adsorbed through the filter plate 4, and the harmful substances in the waste gas are processed. Then, the cleaning device 5 moves up and down to realize the function of cleaning the filter plate 4. Finally, the processed waste gas is discharged from the air outlet pipe 6. By using the heat energy in the waste gas and the energy transmitted by the suction fan to drive the cleaning device 5 to clean the filter plate 4, the purpose of energy conservation and emission reduction is achieved.

[0040] As Figure 1 and Figure 4 shown, the processing box 1 is further provided with a fixed plate 7, a demountable plate 8 and a partition plate 9. The partition plate 9 is placed on the processing box 1, the fixed plate 7 is fixedly connected to the processing box 1, the demountable plate 8 is clamped to the processing box 1, and the fixed plate 7 is clamped to the filter plate 4.

[0041] By clamping the demountable plate 8 to the processing box 1 and clamping the fixed plate 7 to the filter plate 4, the filter plate 4 is convenient to disassemble and replace. By placing the partition plate 9 on the processing box 1, a placement position is provided for the partition plate 9.

[0042] As shown in Figure 1 , Figure 4 , Figure 5 and Figure 8 Figure, the processing box 1 is provided with an installation groove 11 and a sliding groove 12. The disassembly plate 8 is placed in the installation groove 11. A sealing ring is provided in the installation groove 11. The disassembly plate 8 is snap-connected to the installation groove 11, and the disassembly plate 8 is slidably connected to the sliding groove 12.

[0043] The installation groove 11 serves as an installation base for providing an installation position for the disassembly plate 8. The sealing performance of the installation groove 11 is improved by providing a sealing ring on the installation groove 11 to prevent waste gas from leaking from the installation groove 11. At the same time, the sliding groove 12 serves as a track for the disassembly plate 8 to move on the sliding groove 12.

[0044] As shown in Figure 2 , Figure 4 and Figure 6 Figure, the driving device 3 includes a connecting body 31, a driving air pipe 32, a connecting column 33 and a driving gear 34. The connecting body 31 is square. There are four driving air pipes 32. The four driving air pipes 32 communicate with the four side surfaces of the connecting body 31. The four side surfaces of the connecting body 31 are respectively fixedly connected to the four driving air pipes 32. The top of the connecting body 31 is communicated with the air inlet pipe 2. The connecting body 31 is fixedly connected to the connecting column 33. The connecting column 33 is fixedly connected to the driving gear 34. The driving gear 34 is fixedly connected to the cleaning device 5.

[0045] The connecting body 31 serves as the main installation base for the installation and positioning of other devices. The exhaust fan sends the waste gas into the air inlet pipe 2. The waste gas is sent into the connecting body 31 through the air inlet pipe 2, and then is dispersed into the four driving air pipes 32 in the connecting body 31. Finally, the waste gas flows out of the driving air pipe 32 into the processing box 1. When the waste gas flows out of the driving air pipe 32, the waste gas generates a reaction force on the driving air pipe 32, causing the driving air pipe 32 to rotate. The rotation of the driving air pipe 32 drives the connecting body 31 to rotate. The rotation of the connecting body 31 drives the connecting column 33 to rotate. The rotation of the connecting column 33 drives the driving gear 34 to rotate. By the rotation of the driving gear 34, the cleaning device 5 is driven to move, so that the cleaning device 5 can clean the filter plate 4. Through the reaction force of the waste gas on the driving air pipe 32, the energy in the waste gas is converted into the power for the rotation of the driving air pipe 32, thus saving the energy for rotating the driving air pipe 32.

[0046] As shown in Figure 2 , Figure 4 and Figure 6 Figure, the outlet installation direction of the driving air pipe 32 is obliquely downward.

[0047] By setting the installation method of the nozzle of the driving air pipe 32 to be inclined downward, it is ensured that after the waste gas comes out of the driving air pipe 32, there is a certain reaction force on the driving air pipe 32 to drive the driving air pipe 32 to rotate around the connecting body 31, and at the same time, it is ensured that the waste gas is exhausted downward, so that the waste gas can quickly pass through the filter plate 4 for filtration, improving the treatment efficiency of the waste gas, and at the same time improving the effect of converting the energy in the waste gas into the reaction force on the driving air pipe 32, achieving the effect of energy saving.

[0048] As Figures 2 - 8 shown, the cleaning device 5 includes a first support column 51, a connecting gear 52, a second support column 53, a rack 54, a cleaning plate 55, a third support column 56 and a conveyor belt 57. The first support column 51 is fixedly connected to the fixed plate 7. The side of the first support column 51 away from the fixed plate 7 is fixedly connected to the connecting gear 52. The connecting gear 52 meshes with the driving gear 34. There are two second support columns 53. The two second support columns 53 are fixedly connected to the fixed plate 7. The outside of the two second support columns 53 is sleeved with a rack 54. The rack 54 is rotatably connected to the two second support columns 53. The third support column 56 is fixedly connected to the fixed plate 7. There are two third support columns 56. The outside of the two third support columns 56 is sleeved with a conveyor belt 57. The conveyor belt 57 is fixedly connected to the two third support columns 56. The conveyor belt 57 is fixedly connected to the cleaning plate 55. One end of the conveyor belt 57 away from the cleaning plate 55 is fixedly connected to the rack 54. The cleaning plate 55 is provided with a cleaning brush 58. The cleaning brush 58 is fixedly connected to the cleaning plate 55.

[0049] The first support column 51, the second support column 53 and the third support column 56 serve as the main installation bases for the installation and positioning of other components. The connecting gear 52 is installed and fixed through the first support column 51. The rack 54 is installed and positioned through the two second support columns 53. The conveyor belt 57 is installed and positioned through the two third support columns 56. When the driving gear 34 rotates, the connecting gear 52 is driven to rotate by the rotation of the driving gear 34. The rotation of the connecting gear 52 drives the rack 54 to rotate. The rotation of the rack 54 drives the cleaning plate 55 to move up and down. The up and down movement of the cleaning plate 55 drives the conveyor belt 57 to move. At the same time, the two ends of the cleaning plate 55 are fixed by the conveyor belt 57 and the rack 54 to prevent the cleaning plate 55 from shifting during the up and down movement. When the cleaning plate 55 moves up and down, the cleaning brush 58 is driven to move up and down by the cleaning plate 55, so that the cleaning brush 58 can clean the surface of the filter plate 4 and sweep the dust on the filter plate 4, improving the filtration efficiency of the filter plate 4. The energy in the waste gas is converted into the power source for driving the connecting gear 52 to rotate through the driving air pipe 32, saving energy consumption.

[0050] As Figure 4 、 Figure 6 and Figure 8As shown, the filter plate 4 is made of alumina material.

[0051] By using the filter plate 4 made of alumina material, harmful substances in the waste gas can be removed to the greatest extent, improving the filtering effect of the filter plate 4.

[0052] As Figures 1 - 8 shown, the method of the processing device includes the following steps:

[0053] S1. The waste gas generated by electrolytic aluminum enters the driving device 3 through the air inlet pipe 2, and then the waste gas drives the driving device 3 to rotate.

[0054] S2. The driving device 3 rotates to drive the cleaning device 5 to clean the dust on the filter plate 4.

[0055] S3. Replace the inoperable filter plate 4. Open the clamping connection between the disassembly plate 8 and the installation groove 11, then push out the disassembly plate 8 through the partition plate 9, so that the disassembly plate 8 can slide along the sliding groove 12 to the uppermost end of the sliding groove 12. Open the clamping connection on the filter plate 4, then take out the filter plate 4 from the installation groove 11, replace it with a new filter plate 4, then clamp the new filter plate 4 and other connecting components, take out the partition plate 9. At the same time, the partition plate 9 drives the disassembly plate 8 to move back to its original position, and then the disassembly plate 8 is clamped with other components.

[0056] Working principle of the present invention: The waste gas generated by electrolytic aluminum is pumped to the intake pipe 2 by an exhaust fan, and then sent to the connector 31 through the intake pipe 2. Then, it is dispersed into four driving air pipes 32 in the connector 31. Finally, the waste gas flows out of the driving air pipe 32 into the treatment tank 1. When the waste gas flows out of the driving air pipe 32, a reaction force is generated on the driving air pipe 32, causing the driving air pipe 32 to rotate. The rotation of the driving air pipe 32 drives the connector 31 to rotate, the rotation of the connector 31 drives the connecting column 33 to rotate, and the rotation of the connecting column 33 drives the driving gear 34 to rotate. The rotation of the driving gear 34 drives the connecting gear 52 to rotate, the rotation of the connecting gear 52 drives the rack 54 to rotate, and the rotation of the rack 54 drives the cleaning plate 55 to move up and down. The up and down movement of the cleaning plate 55 drives the conveyor belt 57 to move. At the same time, the two ends of the cleaning plate 55 are fixed by the conveyor belt 57 and the rack 54 to prevent the cleaning plate 55 from shifting during the up and down movement. When the cleaning plate 55 moves up and down, the cleaning brush 58 is driven by the cleaning plate 55 to move up and down, so that the cleaning brush 58 can clean the surface of the filter plate 4, thereby converting the energy of the waste gas into the energy for cleaning the filter plate 4, improving the energy utilization efficiency, reducing the energy consumption, and achieving the purpose of energy conservation. At the same time, by opening the clamping connection between the disassembly plate 8 and the installation groove 11, and then pushing out the disassembly plate 8 by the partition plate 9, the disassembly plate 8 can slide along the chute 12 to the uppermost end of the chute 12, opening the clamping connection on the filter plate 4, and then taking out the filter plate 4 from the installation groove 11. Replace it with a new filter plate 4, and then clamp the new filter plate 4 and other connecting components. Take out the partition plate 9. At the same time, the partition plate 9 drives the disassembly plate 8 to move back to its original position, and then the disassembly plate 8 is clamped with other components, so that the device can still work normally while replacing the filter plate 4, improving the working efficiency.

[0057] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An energy-saving treatment device for electrolytic aluminum waste gas, characterized in that: The waste gas energy-saving treatment device includes a treatment box (1), an air inlet pipe (2), a driving device (3), a filter plate (4), a cleaning device (5) and an air outlet pipe (6). The top of the treatment box (1) is fixedly connected to the air inlet pipe (2). The air inlet pipe (2) is fixedly connected to the driving device (3). The air inlet pipe (2) is communicated with the driving device (3). The driving device (3) is connected to the cleaning device (5). The filter plate (4) is connected to the treatment box (1). The bottom side of the treatment box (1) is communicated with the air outlet pipe (6).

2. The energy-saving treatment device for electrolytic aluminum waste gas according to claim 1, wherein: The treatment box (1) is also provided with a fixing plate (7), a detachable plate (8) and a partition plate (9). The partition plate (9) is placed on the treatment box (1). The fixing plate (7) is fixedly connected to the treatment box (1). The detachable plate (8) is connected to the treatment box (1). The fixing plate (7) is snap-connected to the filter plate (4).

3. The energy-saving treatment device for electrolytic aluminum waste gas according to claim 2, characterized in that: The treatment box (1) is provided with a mounting groove (11) and a sliding groove (12). The detachable plate (8) is placed in the mounting groove (11). A sealing ring is provided in the mounting groove (11). The detachable plate (8) is snap-connected to the mounting groove (11). The detachable plate (8) is slidably connected to the sliding groove (12).

4. The energy-saving treatment device for electrolytic aluminum waste gas according to claim 1, wherein: The driving device (3) includes a connecting body (31), a driving air pipe (32), a connecting column (33) and a driving gear (34). The connecting body (31) is square. There are four driving air pipes (32). The four driving air pipes (32) are communicated with the four sides of the connecting body (31). The four sides of the connecting body (31) are respectively fixedly connected to the four driving air pipes (32). The top of the connecting body (31) is communicated with the air inlet pipe (2). The connecting body (31) is fixedly connected to the connecting column (33). The connecting column (33) is fixedly connected to the driving gear (34). The driving gear (34) is fixedly connected to the cleaning device (5).

5. The energy-saving treatment device for electrolytic aluminum waste gas according to claim 4, characterized in that: The outlet installation direction of the driving air pipe (32) is obliquely downward.

6. The energy-saving treatment device for electrolytic aluminum waste gas according to claim 4, wherein: The cleaning device (5) includes a first support column (51), a connecting gear (52), a second support column (53), a rack (54), a cleaning plate (55), a third support column (56) and a conveyor belt (57). The first support column (51) is fixedly connected to the fixed plate (7). The side of the first support column (51) away from the fixed plate (7) is fixedly connected to the connecting gear (52). The connecting gear (52) meshes with the driving gear (34). There are two second support columns (53). The two second support columns (53) are fixedly connected to the fixed plate (7). A rack (54) is sleeved outside the two second support columns (53). The rack (54) is rotatably connected to the two second support columns (53). The third support column (56) is fixedly connected to the fixed plate (7). There are two third support columns (56). A conveyor belt (57) is sleeved outside the two third support columns (56). The conveyor belt (57) is fixedly connected to the two third support columns (56). The conveyor belt (57) is fixedly connected to the cleaning plate (55). One end of the conveyor belt (57) away from the cleaning plate (55) is fixedly connected to the rack (54). A cleaning brush (58) is provided on the cleaning plate (55). The cleaning brush (58) is fixedly connected to the cleaning plate (55).

7. An energy-saving treatment device for electrolytic aluminum waste gas according to claim 1, characterized in that: The filter plate (4) is made of alumina material.

8. A method for an energy-saving treatment device of waste gas from electrolytic aluminum, characterized in that: The method of the processing device uses an electrolytic aluminum waste gas energy-saving processing device described in claim 1, and includes the following steps: S1. The waste gas generated by electrolytic aluminum enters the driving device (3) through the intake pipe (2), and then the waste gas drives the driving device (3) to rotate; S2. The driving device (3) rotates to drive the cleaning device (5) to clean the dust on the filter plate (4); S3. Replace the inoperative filter plate (4). Open the clamping connection between the disassembly plate (8) and the installation groove (11), and then push out the disassembly plate (8) through the partition plate (9) so that the disassembly plate (8) can slide along the sliding groove (12) to the uppermost end of the sliding groove (12). Open the clamping connection on the filter plate (4), and then take out the filter plate (4) from the installation groove (11). Replace it with a new filter plate (4), and then clamp the new filter plate (4) with other connecting components. Take out the partition plate (9). At the same time, the partition plate (9) drives the disassembly plate (8) to move back to its original position, and then the disassembly plate (8) is clamped with other components.

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