Flue gas treatment device for aluminum electrolysis

Abstract

The utility model discloses a flue gas treatment device for aluminum electrolysis, which comprises a flue gas treatment component and a waste collection component arranged at the bottom of the flue gas treatment component. The flue gas treatment assembly comprises a treatment box, a blocking sealing plate, a limiting magnetic strip, a threaded frame, a limiting iron rod, a supporting base, an air cylinder, a stable bottom plate, a draught fan, a filter plate, a U-shaped groove, a discharging pipe, a sealing ring and a fixing groove, and the waste collecting assembly comprises a collecting box, moving wheels, a pressure sensor, a stirring frame, a motor and a buzzer. And the supporting bases are fixedly mounted on the two sides of the bottom of the treatment box. The flue gas treatment device for aluminum electrolysis provided by the utility model has the advantages of convenience in maintenance and waste collection, and solves the problems that a filter plate of a flue gas treatment device in the prior art is inconvenient to disassemble and maintain when the flue gas treatment device is used for preliminarily treating flue gas; meanwhile, after being accumulated for a certain time, the waste is easily blocked when being discharged through a dust removal pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas treatment, in particular to a flue gas treatment device for aluminum electrolysis. Background Technique

[0002] During aluminum electrolysis, a certain amount of flue gas will be generated. The discharged flue gas contains a relatively large amount of hydrogen fluoride, which has a more serious impact on the environment and is very harmful to human health. China has listed hydrogen fluoride as a major regulated air pollutant, and the concentration level of sulfur dioxide in the atmosphere is an important indicator for evaluating air quality. The national standard stipulates that the maximum allowable concentration in the discharged flue gas is 0.02 mg / m3 for a single measurement and 0.007 mg / m3 for daily average. In the treatment of aluminum electrolysis flue gas, alumina needs to be added to the aluminum electrolysis flue gas, and the toxic gas hydrogen fluoride in the flue gas is adsorbed by the alumina. Therefore, it is necessary to fully mix the alumina with the hydrogen fluoride-containing flue gas.

[0003] After testing, in the prior art, the Chinese patent number is: CN218688081U, and the publication date is: 2023-03-24. It discloses a flue gas treatment device for aluminum electrolysis, including: a pretreatment mechanism, a gas transmission mechanism, a spraying mechanism and an exhaust mechanism. The exhaust mechanism is installed on one side of the pretreatment mechanism, the gas transmission mechanism is installed on the top of the exhaust mechanism, and the spraying mechanism is installed on one side of the exhaust mechanism. The pretreatment mechanism allows the waste residue to fall onto the lower bottom of the pretreatment mechanism through the baffle surface, reducing the problem that the waste residue will spread into the air during subsequent discharge and cause environmental pollution. The alumina alkaline solution in the spraying mechanism is mixed with the flue gas more fully, solving the problem that the mixing effect is not ideal enough. The toxic gas hydrogen fluoride in the flue gas is adsorbed by the alumina in the alumina alkaline solution. The detector detects the content of hydrogen fluoride inside the exhaust mechanism. When the hydrogen fluoride value in the flue gas is zero, the sewage discharge valve of the exhaust mechanism is opened, and the alumina alkaline solution containing the toxic gas hydrogen fluoride is centrally treated, reducing the pollution of the waste residue and waste liquid to the air.

[0004] The above structure still has the following defects:

[0005] When the flue gas treatment device of the prior art initially treats the flue gas, its filter plate is not convenient for disassembly and maintenance. At the same time, after the waste accumulates for a certain period of time, it is easy to be blocked when discharged through the dust removal pipeline. Therefore, there is an urgent need for a flue gas treatment device for aluminum electrolysis to overcome the above defects. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a flue gas treatment device for aluminum electrolysis, which has the advantages of convenient maintenance and convenient waste collection, so as to solve the problems put forward in the above background technique.

[0007] To achieve the above object, the utility model provides the following technical solutions: A flue gas treatment device for aluminum electrolysis, comprising a flue gas treatment component and a waste collection component. The waste collection component is arranged at the bottom of the flue gas treatment component. The flue gas treatment component includes a treatment tank, a sealing plate, a limiting magnetic strip, a threaded frame, a limiting iron rod, a support base, a cylinder, a stable bottom plate, a fan, a filter plate, a U-shaped groove, a discharge pipe, a sealing ring and a fixing groove. The waste collection component includes a collection box, moving wheels, a pressure sensor, a stirring frame, a motor and a buzzer.

[0008] Further, the support bases are fixedly installed on both sides of the bottom of the treatment tank. The fan is connected to the right side of the treatment tank. The stable bottom plate is arranged inside the support base.

[0009] Further, the cylinders are fixedly installed on both sides of the bottom of the treatment tank and the total number is four. The bottom of the cylinder is fixedly connected to the top of the stable bottom plate. The U-shaped groove is opened on both sides inside the treatment tank.

[0010] Further, the filter plate is arranged inside the U-shaped groove. The sealing plate is fixedly installed on the front of the filter plate. The limiting magnetic strips are fixedly installed on both sides at the center of the front of the treatment tank.

[0011] Further, the limiting iron rod rotates through a bearing at the center of the front of the treatment tank. The threaded frame rotates through threads inside the limiting iron rod. The fixing groove is opened on the front of the treatment tank.

[0012] Further, the threaded frame passes through the treatment tank through the fixing groove. The discharge pipe is connected to the bottom of the treatment tank. The sealing ring is sleeved on the surface of the discharge pipe. The buzzer is fixedly installed on one side of the bottom of the collection box.

[0013] Further, the collection box is arranged at the bottom of the discharge pipe. The pressure sensors are fixedly installed around the bottom of the collection box. The moving wheels are fixedly installed at the bottom of the pressure sensors.

[0014] Further, the stirring frame is arranged inside the collection box. The motor is fixedly installed at the bottom of the collection box. The output shaft of the motor passes through to the inside of the collection box and is fixedly connected to the top of the stirring frame.

[0015] In summary, due to the adoption of the above technology, the beneficial effects of the utility model are:

[0016] The utility model performs preliminary filtration of the smoke by arranging a smoke treatment component, and collects the residue generated by the smoke filtration by arranging a waste collection component. When in use, the fan is turned on, and the fan guides the smoke into the inner cavity of the treatment box. The smoke is preliminarily filtered under the action of the filter plate, and the filtered residue falls into the inner cavity of the collection box. The motor drives the stirring frame to rotate regularly, thereby stirring the residue and making it spread flat in the inner cavity of the collection box. The weight of the residue is monitored under the action of the pressure sensor. When the weight reaches the standard, the buzzer prompts the supervisor to clean the collection box. When cleaning, the cylinder is turned on, and the stabilizing bottom plate is driven downward by the cylinder The filter plate is then removed from the filter housing by the threaded rack, which is then removed from the inner cavity of the fixed groove by rotating the threaded rack to release the limit on the limiting iron rod. The limiting iron rod is then rotated to release the limit on the blocking sealing plate. Finally, the blocking sealing plate is pulled to separate the filter plate from the inner cavity of the U-shaped groove, thereby cleaning it. The filter plate has the advantages of being easy to maintain and collect waste, and solves the problem that the filter plate of the flue gas treatment device in the prior art is inconvenient to disassemble and maintain when the flue gas is initially treated, and that waste is easily blocked when it is discharged through the dust removal pipe after accumulation for a certain period of time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the side cross-section structure of the knot treatment box of the utility model;

[0019] Figure 3 This is a schematic diagram of the front structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the waste collection component of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the collection box of the utility model when viewed from above.

[0022] In the figure: 1. Flue gas treatment component; 11. Treatment box; 12. Sealing plate; 13. Limiting magnetic strip; 14. Threaded rack; 15. Limiting iron rod; 16. Support base; 17. Cylinder; 18. Stabilizing bottom plate; 19. Fan; 191. Filter plate; 192. U-shaped groove; 193. Discharge pipe; 194. Sealing ring; 195. Fixed groove; 2. Waste collection component; 21. Collection box; 22. Moving wheel; 23. Pressure sensor; 24. Stirring frame; 25. Motor; 26. Buzzer. DETAILED DESCRIPTION

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0024] The present utility model provides a Figures 1-5 flue gas treatment device for aluminum electrolysis as shown, including a flue gas treatment assembly 1 and a waste collection assembly 2. The waste collection assembly 2 is arranged at the bottom of the flue gas treatment assembly 1. The flue gas treatment assembly 1 includes a treatment tank 11, a plugging and sealing plate 12, a limiting magnetic strip 13, a threaded frame 14, a limiting iron rod 15, a support base 16, a cylinder 17, a stable bottom plate 18, a fan 19, a filter plate 191, a U-shaped groove 192, a discharge pipe 193, a sealing ring 194, and a fixing groove 195. The waste collection assembly 2 includes a collection box 21, moving wheels 22, a pressure sensor 23, a stirring frame 24, a motor 25, and a buzzer 26.

[0025] More specifically, by setting the waste collection assembly 2 to collect the residues generated by flue gas filtration. When in use, the fan 19 is turned on, and the fan 19 introduces the flue gas into the inner cavity of the treatment tank 11. The flue gas is preliminarily filtered under the action of the filter plate 191, and the filtered residues fall into the inner cavity of the collection box 21. The motor 25 drives the stirring frame 24 to rotate regularly, thereby stirring the residues to make them spread flat in the inner cavity of the collection box 21, and monitoring their weight under the action of the pressure sensor 23. When the weight reaches the standard, the buzzer 26 prompts the guardians to clean the collection box 21. When cleaning, the cylinder 17 is turned on, and the cylinder 17 drives the stable bottom plate 18 to move downward, so that the collection box 21 is separated from the discharge pipe 193, and the overall device is transferred and cleaned through the pressure sensor 23. When cleaning the filter plate 191, the threaded frame 14 is rotated, the threaded frame 14 is disengaged from the inner cavity of the fixing groove 195, the limit on the limiting iron rod 15 is released, the limiting iron rod 15 is rotated to release the limit on the plugging and sealing plate 12, and finally the plugging and sealing plate 12 is pulled out, so that the filter plate 191 is disengaged from the inner cavity of the U-shaped groove 192, thereby cleaning it, which has the advantages of convenient maintenance and convenient waste collection.

[0026] In some embodiments, the support bases 16 are fixedly installed on both sides of the bottom of the processing box 11. The fan 19 is connected to the right side of the processing box 11. The stable bottom plate 18 is arranged inside the support base 16. More specifically, by providing the support base 16, it is convenient to support the bottom of the processing box 11. By providing the fan 19, it is convenient to introduce the flue gas into the inner cavity of the processing box 11.

[0027] In some embodiments, the cylinders 17 are fixedly installed on both sides of the bottom of the processing box 11 and the total number is four. The bottom of the cylinders 17 is fixedly connected to the top of the stable bottom plate 18. The U-shaped grooves 192 are opened on both sides inside the processing box 11. More specifically, by providing the cylinders 17 to move the stable bottom plate 18, the processing box 11 can be lifted.

[0028] In some embodiments, the filter plate 191 is arranged inside the U-shaped groove 192. The sealing plate 12 is fixedly installed on the front of the filter plate 191. The limiting magnetic strips 13 are fixedly installed on both sides of the center of the front of the processing box 11. More specifically, by providing the U-shaped groove 192 to limit the filter plate 191, and by providing the filter plate 191 to preliminarily filter the impurities in the flue gas.

[0029] In some embodiments, the limiting iron rod 15 rotates through a bearing at the center of the front of the processing box 11. The threaded frame 14 rotates through a thread inside the limiting iron rod 15. The fixed groove 195 is opened on the front of the processing box 11. More specifically, by providing the limiting iron rod 15 to limit the front of the sealing plate 12, and by providing the fixed groove 195 to limit the back of the threaded frame 14.

[0030] In some embodiments, the threaded frame 14 passes through the fixed groove 195 and extends into the inside of the processing box 11. The discharge pipe 193 is connected to the bottom of the processing box 11. The sealing ring 194 is sleeved on the surface of the discharge pipe 193. The buzzer 26 is fixedly installed on one side of the bottom of the collection box 21. More specifically, by providing the buzzer 26 to emit a beep to remind the user, and by providing the sealing ring 194 to seal the gap generated between the collection box 21 and the discharge pipe 193.

[0031] In some embodiments, the collection box 21 is arranged at the bottom of the discharge pipe 193. The pressure sensors 23 are fixedly installed around the bottom of the collection box 21. The moving wheels 22 are fixedly installed at the bottom of the pressure sensors 23. More specifically, by providing the pressure sensors 23 to monitor the pressure borne by the collection box 21, and by providing the moving wheels 22 to facilitate the transfer of the overall device.

[0032] In some embodiments, the stirring frame 24 is disposed inside the collecting box 21, the motor 25 is fixedly installed at the bottom of the collecting box 21, and the output shaft of the motor 25 penetrates into the inner cavity of the collecting box 21 and is fixedly connected to the top of the stirring frame 24. More specifically, by arranging the motor 25 to drive the stirring frame 24, the residue is indirectly stirred.

[0033] Working principle:

[0034] Step 1: When in use, turn on the blower 19. The blower 19 introduces the flue gas into the inner cavity of the treatment box 11. Under the action of the filter plate 191, the flue gas is preliminarily filtered. The filtered residue falls into the inner cavity of the collecting box 21. The motor 25 drives the stirring frame 24 to rotate regularly, so as to stir the residue and make it spread flat in the inner cavity of the collecting box 21. And under the action of the pressure sensor 23, its weight is monitored. When the weight reaches the standard, the buzzer 26 prompts the guardian to clean the collecting box 21.

[0035] Step 2: When cleaning, turn on the cylinder 17. The cylinder 17 drives the stable bottom plate 18 to move downward, so that the collecting box 21 is separated from the discharge pipe 193, and the whole device is transferred for cleaning through the pressure sensor 23. When cleaning the filter plate 191, rotate the threaded frame 14. The threaded frame 14 disengages from the inner cavity of the fixing groove 195, releasing the limit on the limiting iron rod 15. Rotate the limiting iron rod 15 to release the limit on the sealing plate 12. Finally, pull out the sealing plate 12, so that the filter plate 191 disengages from the inner cavity of the U-shaped groove 192, thereby cleaning it. It has the advantages of convenient maintenance and convenient collection of waste materials.

[0036] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

[0037] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A flue gas treatment device for aluminum electrolysis, characterized in that: It includes a flue gas treatment component (1) and a waste collection component (2). The waste collection component (2) is arranged at the bottom of the flue gas treatment component (1). The flue gas treatment component (1) includes a treatment tank (11), a plugging and sealing plate (12), a limiting magnetic strip (13), a threaded frame (14), a limiting iron rod (15), a support base (16), a cylinder (17), a stable bottom plate (18), a fan (19), a filter plate (191), a U-shaped groove (192), a discharge pipe (193), a sealing ring (194) and a fixing groove (195). The waste collection component (2) includes a collection box (21), moving wheels (22), a pressure sensor (23), a stirring frame (24), a motor (25) and a buzzer (26).

2. The flue gas treatment device for aluminum electrolysis according to claim 1, characterized in that: The support bases (16) are fixedly installed on both sides of the bottom of the treatment tank (11). The fan (19) is communicated with the right side of the treatment tank (11). The stable bottom plate (18) is arranged inside the support base (16).

3. The flue gas treatment device for aluminum electrolysis according to claim 1, characterized in that: The cylinders (17) are fixedly installed on both sides of the bottom of the treatment tank (11) and the total number is four. The bottom of the cylinder (17) is fixedly connected with the top of the stable bottom plate (18). The U-shaped grooves (192) are opened on both sides inside the treatment tank (11).

4. The flue gas treatment device for aluminum electrolysis according to claim 1, characterized in that: The filter plate (191) is arranged inside the U-shaped groove (192). The plugging and sealing plate (12) is fixedly installed on the front of the filter plate (191). The limiting magnetic strips (13) are fixedly installed on both sides of the center of the front of the treatment tank (11).

5. The flue gas treatment device for aluminum electrolysis according to claim 1, characterized in that: The limiting iron rod (15) rotates through a bearing at the center of the front of the treatment tank (11). The threaded frame (14) rotates through the thread inside the limiting iron rod (15). The fixing groove (195) is opened on the front of the treatment tank (11).

6. The flue gas treatment device for aluminum electrolysis according to claim 1, characterized in that: The threaded frame (14) penetrates through the fixing groove (195) into the inside of the treatment tank (11). The discharge pipe (193) is communicated with the bottom of the treatment tank (11). The sealing ring (194) is sleeved on the surface of the discharge pipe (193). The buzzer (26) is fixedly installed on one side of the bottom of the collection box (21).

7. The flue gas treatment device for aluminum electrolysis according to claim 1, characterized in that: The collection box (21) is arranged at the bottom of the discharge pipe (193). The pressure sensors (23) are fixedly installed around the bottom of the collection box (21). The moving wheels (22) are fixedly installed at the bottom of the pressure sensors (23).

8. The flue gas treatment device for aluminum electrolysis according to claim 1, characterized in that: The stirring frame (24) is arranged inside the collection box (21). The motor (25) is fixedly installed at the bottom of the collection box (21). The output shaft of the motor (25) penetrates into the inside of the collection box (21) and is fixedly connected with the top of the stirring frame (24).

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