A waste gas treatment device for catalyst production

Abstract

The present invention relates to the technical field of waste gas treatment, and specifically discloses a waste gas treatment device for catalyst production, including: a dust collector body, a plurality of filter modules and a cloth bag, the cloth bag also includes an upper ring portion arranged at the upper opening, a lower ring portion at the bottom, a plurality of hanging holes circumferentially arranged on the lower ring portion, and a plurality of through holes at the bottom of the cloth bag, the filter module includes a mounting seat fixedly arranged in the dust collector body and having a through hole passing through from top to bottom, a base fixedly arranged in the dust collector body, a lifting module, and a hanging assembly. The beneficial effects of the present invention: during installation, only the cloth bag needs to be manually passed through the screw rod and the slide rod, and the cloth bag can be automatically pulled to the bottom. When taking it out, the cloth bag can be automatically pushed to the opening, which greatly facilitates the replacement of the cloth bag and improves the replacement efficiency. The screw rod and the slide rod are equivalent to cage bones, which support the cloth bag. There is no need to disassemble the screw rod and the slide rod, which greatly facilitates the operation of workers and saves manpower.

Description

Technical Field

[0001] The invention relates to the technical field of waste gas treatment, and in particular to a waste gas treatment device for catalyst production. Background Art

[0002] The bag filter is a dry dust filter. It is suitable for capturing fine, dry, non-fibrous dust. The filter bag is made of textile filter cloth or non-textile felt, and uses the filtering effect of fiber fabric to filter the dust-containing gas. When the dust-containing gas enters the bag filter, the dust with large particles and high specific gravity settles down due to gravity and falls into the ash hopper. When the gas containing finer dust passes through the filter material, the dust is retained, so that the gas is purified. After the bag filter has been running for a period of time, the bag will continue to age during the working process, so the bag of the bag filter needs to be replaced frequently.

[0003] The Chinese patent with the authorization announcement number CN116272156B discloses a dust bag cage frame that is convenient for replacing the bag, including a first connecting seat and a second connecting seat, the first connecting seat and the second connecting seat are connected by a folding mechanism, the first connecting seat is provided with a fixing mechanism for fixing the bag, and the second connecting seat is provided with an opening mechanism for opening the bag. The patent document can fold the bag cage frame by setting a folding mechanism to reduce its length, which is convenient for the cage frame to be disassembled and assembled in the flower plate hole, and by setting a fixing mechanism, the open end of the dust bag can be fixed on the cage frame, so that the bag can be disassembled and assembled together with the cage frame, which improves the disassembly and assembly efficiency, and also makes it unnecessary to install an elastic expansion ring in the bag, reducing the production cost of the bag, and facilitating the storage of the bag, as well as subsequent cleaning and recycling.

[0004] The bag is installed on the columnar cage frame, which is embedded in the hole of the dust collector plate to support the bag. When replacing the bag of the bag dust collector, you need to remove the pulse tube above the bag first, use tools to pry up the cage frame, pull out the cage frame and then take out the bag. The cage frame and bag of some large bag dust collectors are several meters long, and workers need to pull them out completely upwards. The whole process is very cumbersome, low work efficiency, and takes up a lot of space. At the same time, the installation of the cage frame and bag is also laborious. Summary of the invention

[0005] The present invention provides an exhaust gas treatment device for catalyst production, aiming to solve the technical problem in the related art that when replacing the bag of the bag filter, the cage frame must be pulled out first and then the bag is taken out, the whole process is very cumbersome, the work efficiency is low, and it takes up a lot of space, and the installation of the cage frame and the bag is also relatively laborious.

[0006] The invention discloses an exhaust gas treatment device for catalyst production, comprising: a dust collector body, a plurality of filter modules and a cloth bag, the cloth bag further comprising an upper ring portion arranged at an upper opening, a lower ring portion at the bottom, a plurality of hanging holes circumferentially arranged on the lower ring portion and a plurality of through holes at the bottom of the cloth bag, the filter module comprises a mounting seat fixedly arranged in the dust collector body and having a through hole passing through from top to bottom, a base fixedly arranged in the dust collector body, a lifting module, a hanging assembly, a clamping assembly and a pressure ring rotatably mounted on the mounting seat, the lifting module comprises a screw rod rotating on the base, a sliding rod circumferentially fixed on the base, a sliding rod slidably matched with the sliding rod and The lifting platform is screwed to the lead screw, and has a protrusion on the lifting platform. The lead screw and the sliding rod correspond to the through hole. The hanging assembly includes a plurality of hanging parts rotatably installed by a torsion spring and circumferentially arranged on the lifting platform, a flange arranged on the inner side of the mounting seat, and the hanging parts correspond to the hanging holes. The clamping assembly includes a clamping part radially slidingly fitted on the lifting platform, a guide rod, a driving ring rotating on the lifting platform, a driving hole arranged on the driving ring and inclined away from the axial direction, a driving groove on the driving ring, and a driving strip arranged on the inner wall of the mounting seat corresponding to the driving groove, the driving strip having a vertical section and an inclined section, and the clamping part can clamp the lower ring part to the outer wall of the protrusion.

[0007] Beneficial effects: During installation, you only need to manually pass the cloth bag through the screw rod and the slide rod, and the cloth bag can be automatically pulled to the bottom. When taking it out, the cloth bag can be automatically pushed to the opening, which greatly facilitates the replacement of the cloth bag, saves manpower, and improves the replacement efficiency. The screw rod and the slide rod are equivalent to the cage frame, which supports the cloth bag. There is no need to disassemble the screw rod and the slide rod, which is equivalent to not needing to disassemble the cage frame, which greatly facilitates the workers' operation and saves manpower.

[0008] Preferably, the upper ends of the screw rod and the slide rod extend to the inner side of the through hole on the mounting seat, and the upper ends of the screw rod and the slide rod are flush with the upper surface of the mounting seat.

[0009] The effect is that the bag can be easily installed and removed.

[0010] Preferably, the lifting platform is a boss structure and also includes a step portion.

[0011] Preferably, the clamping members are all arc-shaped structures, distributed at intervals along the circumference of the lifting platform, and the bottom of the clamping member is slidably fitted on the step portion of the lifting platform.

[0012] The effect is that the clamping piece can clamp the lower ring portion to the outer wall of the raised portion, which is convenient for clamping and fixing the cloth bag.

[0013] Preferably, the hanging member has a hook portion and a pressing portion, and the pressing portion corresponds to the flange.

[0014] Preferably, the pressure ring is rotatably mounted on the mounting seat through a rotating shaft and a torsion spring, and extension plates are provided at the front and rear ends of the rotating shaft. The mounting seat is vertically slidably matched with a push rod, and the push rod corresponds to the extension plate on the front side. An extrusion rod corresponding to the push rod is fixed on the lifting platform, and a limit plate is vertically slidably mounted on the mounting seat through a spring, and the upper end of the limit plate is an inclined surface, and the limit plate corresponds to the extension plate on the rear side. A trigger ring is installed on the mounting seat through a spring, and a transverse plate is also horizontally slidably mounted in the mounting seat through a spring, and one end of the transverse plate is an inclined surface, and the end is located below the trigger ring, and inclined surfaces are provided at corresponding positions of the limit plate and the transverse plate.

[0015] The effect is that when the lifting platform moves to the top, the pressure ring can automatically open to facilitate the removal of the bag; when the lifting platform moves to the bottom, the pressure ring automatically closes and presses on the upper ring of the bag.

[0016] Preferably, the mounting seat is provided with an airbag, and the inner side wall of the through hole of the mounting seat is provided with a plurality of blowing holes inclined downward along the circumferential direction, and the blowing holes are connected to the airbag. The extrusion rod can extrude the airbag, and the corresponding positions of the airbag and the push rod are provided with avoidance long holes.

[0017] The effect is that all the cloth bags will be accumulated on the inner side of the through hole of the mounting seat. As the extrusion rod rises, the airbag can be squeezed, and the gas is blown onto the cloth bags through the blowing holes, blowing the dust attached to the cloth bags downwards, which can reduce the floating of dust and protect the health of the workers' respiratory system.

[0018] Preferably, the upper ring portion and the lower ring portion are made of rubber.

[0019] By adopting the above technical solution, the beneficial effects of the present invention are as follows: during installation, only the cloth bag needs to be manually passed through the screw rod and the slide rod, and the cloth bag can be automatically pulled to the bottom. When taking out, the cloth bag can be automatically pushed to the opening, which greatly facilitates the replacement of the cloth bag, saves manpower, and improves the replacement efficiency. The screw rod and the slide rod are equivalent to the cage frame, which supports the cloth bag. There is no need to disassemble the screw rod and the slide rod, which is equivalent to not needing to disassemble the cage frame, which greatly facilitates the operation of workers and saves manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a stereogram of the present invention.

[0021] Figure 2 It is a schematic diagram of the internal structure of the present invention.

[0022] Figure 3 It is a schematic diagram of the structure of the filtering module of the present invention.

[0023] Figure 4 It is a schematic structural diagram of the cloth bag of the present invention.

[0024] Figure 5It is an exploded schematic diagram of the lifting platform and the cloth bag of the present invention.

[0025] Figure 6 It is an exploded schematic diagram of the lifting platform and the driving ring of the present invention.

[0026] Figure 7 It is a schematic diagram of the structure of the driving bar of the present invention.

[0027] Figure 8 It is an axonometric cross-sectional view of the mounting seat of the present invention.

[0028] Fig. 9 It is a cross-sectional view of the limiting plate and the transverse displacement plate of the present invention.

[0029] Fig.10 For the present invention Fig. 9 Enlarged view of point A in the middle.

[0030] Reference numerals:

[0031] 10. Dust collector body; 20. Cloth bag; 21. Upper ring; 22. Lower ring; 23. Hanging hole; 30. Mounting seat; 31. Ring cavity; 40. Base; 41. Screw rod; 42. Sliding rod; 43. Lifting platform; 50. Clamping piece; 51. Guide rod; 52. Guide hole; 53. Drive ring; 54. Drive hole; 55. Drive groove; 56. Drive strip; 60. Hanging piece; 61. Flange; 70. Pressing ring; 71. Extension plate; 72. Push rod; 73. Trigger ring; 74. Transverse plate; 75. Limiting plate; 80. Air bag; 81. Blowing hole; 82. Extrusion rod. DETAILED DESCRIPTION

[0032] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0033] like Figures 1 to 10 As shown, a specific embodiment of an exhaust gas treatment device for catalyst production of the present invention includes a dust collector body 10 and a plurality of filter modules installed inside the dust collector body 10, and the plurality of filter modules are closely arranged in a matrix shape.

[0034] The filter module includes a mounting seat 30, a base 40, a lifting module, a cloth bag 20, a clamping assembly, a hanging assembly, a pressing module and a cleaning module.

[0035] like Figure 4 As shown, in this embodiment, an upper ring portion 21 is provided at the edge of the upper opening of the cloth bag 20, a plurality of perforations are evenly opened at the bottom of the cloth bag 20 along its circumference, and a lower ring portion 22 is provided at the bottom edge, and a plurality of hanging holes 23 are provided on the outer peripheral wall of the lower ring portion 22.

[0036] It is particularly emphasized that the hardness of the material of the upper ring portion 21 and the lower ring portion 22 is greater than the hardness of the cloth bag 20 itself, and the material of the upper ring portion 21 and the lower ring portion 22 can be rubber, plastic, etc.

[0037] like Figure 2 , Figure 3 and Figure 5 The mounting seat 30 is fixedly mounted inside the dust collector body 10 , and a circular through hole is provided at the center of the mounting seat 30 , which is through from top to bottom. The through hole can facilitate the installation of the bag 20 .

[0038] The base 40 is fixedly mounted in the dust collector body 10 through a fixing frame. The base 40 is located directly below the mounting seat 30 , and the mounting seat 30 and the base 40 correspond to each other.

[0039] like Figure 5 The lifting module includes a screw rod 41 rotatably mounted on a base 40, and a plurality of slide rods 42 fixedly mounted on the base 40, wherein the screw rod 41 and the slide rod 42 are evenly distributed along the circumference of the base 40. A motor for driving the screw rod 41 to rotate is mounted on the lower end surface of the base 40.

[0040] A lifting platform 43 is screwed onto the screw rod 41. The lifting platform 43 is a boss structure with a raised portion and a stepped portion. All the slide rods 42 pass through the lifting platform 43 and slide with it, so that when the screw rod 41 rotates, the lifting platform 43 can be driven to rise and fall along the slide rods 42.

[0041] The upper ends of the screw rod 41 and the slide rod 42 extend to the inner side of the through hole on the mounting seat 30 , and the upper ends of the screw rod 41 and the slide rod 42 are flush with the upper surface of the mounting seat 30 .

[0042] The screw rod 41 and the slide rod 42 correspond to the perforations at the bottom of the cloth bag 20 respectively. During installation, the bottom of the cloth bag 20 is passed through the screw rod 41 and the slide rod 42 so that the bottom of the cloth bag 20 contacts the upper surface of the raised portion of the lifting platform 43. Then the hanging assembly hooks the hanging hole 23 on the cloth bag 20, and the lifting platform 43 begins to descend, thereby driving the cloth bag 20 to descend. At the same time, the clamping assembly clamps and fixes the lower ring portion 22 of the cloth bag 20 until the cloth bag 20 is completely pulled to the bottom.

[0043] like Figure 6 and Figure 8The hanging assembly includes a plurality of hanging members 60 rotatably mounted on the lifting platform 43 through torsion springs, and the hanging members 60 are evenly arranged along the circumference of the lifting platform 43. The hanging members 60 correspond to the hanging holes 23 on the cloth bag 20 one by one. The hanging member 60 has a hook part and a pressing part, and the hook part is located at the inner side. A flange 61 is provided near the top of the circular through hole of the mounting seat 30. When the lifting platform 43 is raised to the top, the flange 61 will push the pressing part, so that the hanging member 60 rotates, and the hook part will be separated from the hanging hole 23 on the cloth bag 20, so that the cloth bag 20 can be removed easily.

[0044] During installation, after the bottom of the cloth bag 20 passes through the screw rod 41 and the slide rod 42, the lifting platform 43 begins to descend, the flange 61 is separated from the top pressure part, and the hanging member 60 begins to rotate. During the rotation process, it will contact the lower ring part 22 at the bottom, thereby forcing the lower ring part 22 to bend downward, so that the clamping assembly can clamp it on the outer peripheral wall of the raised part of the lifting platform 43. The hook part of the hanging member 60 will just hang on the hanging hole 23 of the cloth bag 20, so that the cloth bag 20 can be pulled down when the lifting platform 43 descends.

[0045] Continue back Figure 6 and Figure 7 The clamping assembly includes a plurality of clamping members 50 slidably mounted on the lifting platform 43. The clamping members 50 are all arc-shaped structures and are spaced apart along the circumference of the lifting platform 43. The bottom of the clamping member 50 slides in the step portion on the lifting platform 43. Each clamping member 50 can be close to or away from the center position of the lifting platform 43, so that the lower ring portion 22 of the cloth bag 20 can be clamped on the outer peripheral wall of the raised portion on the lifting platform 43.

[0046] A plurality of guide holes 52 are provided at the bottom of the step portion of the lifting platform 43 , and a guide rod 51 is installed at the bottom of the clamping member 50 , which passes through the guide hole 52 , so that the clamping member 50 can move along the guide hole 52 toward or away from the center direction of the lifting platform 43 .

[0047] A driving ring 53 is rotatably installed at the bottom of the lifting platform 43. The driving ring 53 is provided with a driving hole 54. The lower end of the guide rod 51 extends into the driving hole 54. When the driving ring 53 rotates, the driving hole 54 can force the clamping member 50 to move closer to or away from the center position of the lifting platform 43.

[0048] A driving groove 55 is provided on the outer wall of the driving ring 53, and a driving strip 56 is provided on the inner side of the through hole on the mounting seat 30. The driving strip 56 corresponds to the position of the driving groove 55. The driving strip 56 has a vertical section and an inclined section. When the cloth bag 20 needs to be replaced, the lifting platform 43 pushes the cloth bag 20 to rise, and pushes it to a position close to the upper part in the through hole of the lifting platform 43, so as to facilitate the removal of the cloth bag 20. When the driving groove 55 rises along the inclined section, the driving ring 53 can be forced to rotate, thereby driving the clamping member 50 away from the center position of the lifting platform 43 at the same time, and the clamping member 50 leaves the outer peripheral wall of the raised part of the lifting platform 43, loosening the lower ring part 22 at the bottom of the cloth bag 20, so as to facilitate its removal. Similarly, when the lifting platform 43 descends, the clamping member 50 approaches the center position of the lifting platform 43 at the same time, and clamps the lower ring part 22 at the bottom of the cloth bag 20 on the outer peripheral wall of the raised part of the lifting platform 43.

[0049] When installing the cloth bag 20, first pass it through the screw rod 41 and the slide rod 42, the bottom of the cloth bag 20 contacts the upper surface of the raised part of the lifting platform 43, then the lifting platform 43 starts to descend, the flange 61 is separated from the pressing part of the hanging member 60, and the hanging member 60 starts to rotate. During the rotation process, it will contact the lower ring part 22 at the bottom, thereby forcing the lower ring part 22 to bend downward, and the lower ring part 22 is close to the outer peripheral wall of the raised part of the lifting platform 43. The hook part of the hanging member 60 will just hang on the hanging hole 23 of the cloth bag 20, and the lifting platform 43 can pull the cloth bag 20 down when it descends. As the lifting platform 43 descends, the driving groove 55 enters the inclined section of the driving bar 56, forcing the driving ring 53 to rotate. The clamping member 50 simultaneously approaches the center position of the lifting platform 43, clamping the lower ring portion 22 at the bottom of the cloth bag 20 on the outer peripheral wall of the raised portion of the lifting platform 43, thereby clamping and fixing the cloth bag 20. Then the lifting platform 43 descends to the bottom, and the cloth bag 20 is completely sleeved on the outside of the screw rod 41 and the slide rod 42. The upper ring portion 21 of the cloth bag 20 will be stuck on the mounting seat 30. When the cloth bag 20 needs to be taken out, similarly, the lifting platform 43 pushes the cloth bag 20 to rise, and pushes it to a position near the top in the through hole of the lifting platform 43. At this time, the cloth bags 20 will all be stacked together, making it easy to take the cloth bags 20 out.

[0050] It is only necessary to manually pass the cloth bag 20 through the screw rod 41 and the slide rod 42, and the cloth bag 20 can be automatically pulled to the bottom. When taking it out, the cloth bag 20 can be automatically pushed to the opening, which greatly facilitates the replacement of the cloth bag 20, saves manpower, and improves the replacement efficiency.

[0051] Moreover, the screw rod 41 and the slide rod 42 are equivalent to cage frames, which support the cloth bag 20. There is no need to disassemble the screw rod 41 and the slide rod 42, which greatly facilitates the operation of workers and saves manpower.

[0052] like Figures 7 to 10The clamping module includes a pressing ring 70 rotatably mounted on the mounting seat 30 through a torsion spring and a trigger assembly. The pressing ring 70 is engaged with the mounting seat 30 through a rotating shaft.

[0053] The trigger assembly can control the opening and closing of the pressure ring 70. When the lifting platform 43 moves to the top, the pressure ring 70 opens to facilitate taking out the cloth bag 20. When the lifting platform 43 moves to the bottom, the pressure ring 70 closes and presses tightly on the upper ring portion 21 of the cloth bag 20.

[0054] The trigger assembly includes an extension plate 71 installed on the rotating shaft of the pressure ring 70. One extension plate 71 is provided at the front and rear ends of the rotating shaft, and the extension plate 71 is arranged along the radial direction of the rotating shaft.

[0055] like Figure 8 The mounting seat 30 is vertically slidably matched with a push rod 72, and a spring is provided on the push rod 72 to help it return to its original position. The push rod 72 faces the front extension plate 71. The lifting platform 43 is fixedly mounted with a squeeze rod 82. When the lifting platform 43 moves to the upper side, the squeeze rod 82 can push the push rod 72, so that the push rod 72 slides upward, thereby pushing the front extension plate 71, forcing the pressure ring 70 to rotate and open.

[0056] like Fig. 9 and Fig.10 A limit plate 75 is also vertically slidably mounted on the mounting seat 30, and a spring is also mounted on the limit plate 75. The upper end of the limit plate 75 is an inclined surface and extends above the mounting seat 30. The limit plate 75 is directly opposite to the rear extension plate 71. As the pressing ring 70 rotates, after the rear extension plate 71 passes through the limit plate 75, the limit plate 75 can limit the pressing ring 70 to prevent it from rotating in the opposite direction, so that it remains in an open state, which is convenient for taking out the cloth bag 20.

[0057] A trigger ring 73 is mounted on the mounting seat 30 through a spring, and the trigger ring 73 is located at the opening above the through hole of the mounting seat 30. When the cloth bag 20 descends to near the bottom, the upper ring portion 21 above the cloth bag 20 presses the trigger ring 73 downward.

[0058] A transverse plate 74 is also installed in the mounting seat 30 through a spring for horizontal sliding. One end of the transverse plate 74 is an inclined surface, and the end is located below the trigger ring 73. When the trigger ring 73 descends, the transverse plate 74 can be forced to slide horizontally. The middle position of the limit plate 75 is provided with an inclined surface. The transverse plate 74 can push the inclined surface in the middle of the limit plate 75 to force the limit plate 75 to descend. The limit of the rear extension plate 71 is released, and the torsion spring on the pressure ring 70 is released, so that it rotates and is pressed against the upper ring portion 21 of the cloth bag 20 again.

[0059] like Figure 8The cleaning module includes an air bag 80 arranged on the mounting seat 30. The mounting seat 30 has an annular cavity 31. The air bag 80 is installed in the annular cavity 31. A plurality of downwardly inclined blowing holes 81 are arranged on the inner side wall of the through hole of the mounting seat 30 along the circumferential direction. The blowing holes 81 are connected to the air bag 80. The cloth bags 20 will all be accumulated at the inner side of the through hole of the mounting seat 30. As the squeezing rod 82 rises, the air bag 80 can be squeezed. The gas is blown onto the cloth bag 20 through the blowing holes 81, and the dust attached to the cloth bag 20 is blown downward, which can reduce the floating of dust and protect the health of the workers' respiratory system.

[0060] A circular hole is provided at the bottom of the annular cavity 31 on the mounting seat 30 to facilitate the passage of the extrusion rod 82. In the present embodiment, avoidance long holes are provided at the corresponding positions of the airbag 80 and the push rod 72. The avoidance long holes are an upper opening structure. When the extrusion rod 82 passes through the circular hole to extrude the airbag 80, contact with the push rod 72 can be avoided during the extrusion process. When the airbag 80 is close to completing the extrusion, the push rod 72 is pushed.

[0061] It is particularly noted that the filtering principle of the dust collector body 10 and the filter module for exhaust gas belongs to the prior art and will not be elaborated here.

[0062] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A waste gas treatment device for catalyst production, comprising: A dust collector body, a plurality of filter modules and a bag, characterized in that the bag also includes an upper ring portion arranged at the upper opening, a lower ring portion at the bottom, a plurality of hanging holes circumferentially arranged on the lower ring portion and a plurality of through holes at the bottom of the bag, and the upper ring portion and the lower ring portion are made of rubber; the filter module includes a mounting seat fixedly arranged in the dust collector body and having a through hole passing through from top to bottom, a base fixedly arranged in the dust collector body, a lifting module, a hanging assembly, a clamping assembly and a pressure ring rotatably mounted on the mounting seat; The lifting module includes a screw rod rotating on the base, a sliding rod circumferentially fixed on the base, a lifting platform slidably matched with the sliding rod and screwed with the screw rod, the lifting platform is a boss structure, the lifting platform has a convex portion and a step portion, the screw rod and the sliding rod correspond to the through-hole, the hanging assembly includes a plurality of hanging parts rotatably installed by a torsion spring and circumferentially arranged on the lifting platform, a flange arranged on the inner side of the mounting seat, the hanging parts correspond to the hanging holes, the hanging parts have a hook part and a pressing part, and the pressing part corresponds to the flange; the clamping assembly includes a clamping part radially slidingly matched with the lifting platform, a guide rod, a driving ring rotating on the lifting platform, a driving hole arranged on the driving ring and inclined away from the axial direction, a driving groove on the driving ring, and a driving strip arranged on the inner wall of the mounting seat corresponding to the driving groove, the driving strip has a vertical section and an inclined section, the clamping parts are all arc structures, distributed at intervals along the circumference of the lifting platform, the bottom of the clamping part slides and matches the step portion on the lifting platform, and the clamping part can clamp the lower ring portion to the outer wall of the convex portion; The pressure ring is rotatably installed on the mounting seat through a rotating shaft and a torsion spring, and extension plates are provided at the front and rear ends of the rotating shaft. The mounting seat is vertically slidably matched with a push rod, and the push rod corresponds to the extension plate on the front side. An extrusion rod corresponding to the push rod is fixed on the lifting platform. A limit plate is vertically slidably installed on the mounting seat through a spring, and the upper end of the limit plate is an inclined surface, and the limit plate corresponds to the extension plate on the rear side. A trigger ring is installed on the mounting seat through a spring, and a transverse plate is also horizontally slidably installed in the mounting seat through a spring, and one end of the transverse plate is an inclined surface, and the end of the transverse plate with the inclined surface is located below the trigger ring, and inclined surfaces are provided at corresponding positions of the limit plate and the transverse plate.

2. A waste gas treatment device for catalyst production according to claim 1, characterized in that: The upper ends of the screw rod and the slide rod both extend to the inner side of the through hole on the mounting seat, and the upper ends of the screw rod and the slide rod are flush with the upper surface of the mounting seat.

3. The exhaust gas treatment device for catalyst production according to claim 1, characterized in that: An airbag is provided on the mounting seat, and a plurality of blowing holes inclined downward are circumferentially arranged on the inner side wall of the through hole of the mounting seat, the blowing holes are connected to the airbag, the extrusion rod can extrude the airbag, and avoidance long holes are arranged at corresponding positions of the airbag and the push rod.

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