Filtering and dust removing device for organic chemical raw material processing

By designing a multi-layer dust filtration mechanism and a snap-fit ​​auxiliary mechanism, the problem of inconvenient installation of dust removal components and suction components in existing devices is solved, enabling quick connection and disassembly, and improving filtration efficiency as well as the safety and convenience of the equipment.

CN224100280UActive Publication Date: 2026-04-10SICHUAN SHUAI NEW MATERIALS CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-05
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In existing organic chemical raw material processing filtration and dust removal devices, the installation and disassembly of dust removal components and suction components are inconvenient, and the connection design is complex, resulting in cumbersome operation, long time consumption, and safety risks, which affects production efficiency.

Method used

It adopts a multi-layer dust filtration mechanism, a mounting snap-fit ​​mechanism, and a snap-fit ​​auxiliary mechanism, including a dust suction hopper, dust inlet pipe, snap-fit ​​outer pipe, snap-fit ​​inner pipe, rotating clamp, longitudinal moving ring, double-layer clamping ring, and embedded rotating ring, etc., to achieve quick connection and disassembly. It achieves sealing and stability through rotation and sliding actions, simplifying the operation process.

Benefits of technology

It enables quick connection and disassembly of the dust removal component and the suction component, improves filtration efficiency, reduces downtime and labor costs, and enhances the safety and service life of the equipment.

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Abstract

The utility model discloses an organic chemical raw material processing filter dust removal device, including filter box, multi-layer filter mechanism, installation clamping mechanism and clamping auxiliary mechanism, multi-layer filter mechanism includes dust collection bucket and dust inlet pipe, installation clamping mechanism includes clamping outer pipe and clamping inner pipe, the clamping outer pipe is equipped with the dust collection bucket and the dust inlet pipe, and the clamping inner pipe is equipped with the dust collection bucket and the dust inlet pipe. The clamping auxiliary mechanism comprises a double-layer clamping ring and an embedded rotating ring, the multi-layer dust filtering mechanism collects dust through a dust suction hopper and a dust inlet pipe and guides the dust into a dust filtering box, a first dust filtering plate and a second dust filtering plate are arranged to form a multi-stage filtering system, dust particles with different particle sizes can be effectively filtered, and the dust filtering efficiency is improved. The installation clamping mechanism adopts the design that a clamping outer pipe is matched with a clamping inner pipe, a rotary clamping frame rotates to push an extending frame to extend into a clamping groove to achieve primary fixing, a longitudinal moving ring further presses the extending frame, a sealing ring of the clamping inner pipe is pressed tightly, reliable sealing is formed, rapid connection and disassembly of the device and external suction equipment are achieved, and operation is easy and convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to filter dust technical field more specifically, it relates to an organic chemical raw material processing filtration dust removal device. BACKGROUND

[0002] In the prior art, the filtration dust removal device plays a crucial role in the processing of organic chemical raw materials, effectively removing harmful dust during production and ensuring a clean and safe working environment. However, in the prior art, the installation and disassembly of the dust removal assembly and the suction assembly are not convenient, which has brought many inconveniences in practical application.

[0003] Specifically, the connection between the dust removal assembly and the suction assembly of most current organic chemical raw material processing filtration dust removal devices is complex, requiring many tools and manual operations. For example, many devices use bolts or fixed buckles for assembly connection, which requires operators to use tools during installation and disassembly, taking a long time. This cumbersome operation process not only reduces work efficiency, but also may cause unnecessary labor intensity and safety risks when disassembling or replacing parts.

[0004] In addition, the interface between the dust removal assembly and the suction assembly often lacks quick connection and automatic docking functions, resulting in the need to completely disassemble the device during routine maintenance, cleaning, or filter replacement, greatly increasing downtime and labor costs. In some highly automated factories, this inconvenient installation and disassembly method may affect the operating efficiency of the entire production line, especially when cleaning or replacing the dust removal filter, operators need to spend a lot of time on manual operation. SUMMARY

[0005] (I) Technical problems solved

[0006] To solve the problems in the prior art, the utility model provides an organic chemical raw material processing filtration dust removal device to solve the technical problems of inconvenient installation and disassembly of the dust removal assembly and the suction assembly mentioned in the background art.

[0007] (II) Technical solutions

[0008] To achieve the above object, the utility model provides the following technical scheme: An organic chemical raw material processing filter dust removal device, including filter dust case, multilayer filter dust mechanism, installation clamping mechanism and clamping auxiliary mechanism, the multilayer filter dust mechanism includes dust suction hopper and dust inlet pipe, and the dust suction hopper is installed at one end of the dust inlet pipe, and one end of the dust inlet pipe is communicated with the filter dust case, and one end of the filter dust case is provided with a communicating pipe, and the inside of the filter dust case is provided with a first filter dust plate and a second filter dust plate, the installation clamping mechanism includes a clamping outer tube and a clamping inner tube, a clamping groove is formed in the side wall of the clamping inner tube, a surplus groove is formed in the side wall of the clamping outer tube, a stretch-in frame is horizontally slidably arranged on the side wall of the clamping outer tube, a rotary clamping frame is limitingly and rotatably arranged on the outer wall of the clamping outer tube, and the rotary clamping frame is slidably arranged in cooperation with the stretch-in frame; the rotation of the rotary clamping frame makes the stretch-in frame stretch into the clamping groove; a longitudinal moving ring is longitudinally slidably arranged on the outer wall of the clamping outer tube, and the longitudinal moving ring can be pressed towards the top end of the stretch-in frame.

[0009] The utility model further sets up, the clamping auxiliary mechanism includes double -decked clamping ring and inserts the ring, and double -decked clamping ring fixed mounting is set up on the outer wall of clamping outer tube, and inserts the ring limit rotation and installs on the outer wall of clamping outer tube, and the double -decked clamping ring is set up with the positioning hole, and installs double -way spring rod on the ring, and double -way spring rod gradually stretches into the positioning hole, makes the ring stable rotation, and one end of the ring is installed with spiral plate, and spiral plate is connected with longitudinal ring and is pushed with screw thread, so that longitudinal ring is pressed towards stretch-in frame.

[0010] The utility model further sets up, and one end of clamping outer tube is installed with the connecting plate, and clamping outer tube is connected with communicating pipe through the connecting plate, and the connecting plate is installed in one end of clamping outer tube, and is connected with communicating pipe, and it ensures that the connection is stable and reliable.

[0011] The utility model further sets up, and one end of filter dust case is installed with the cover plate, and lock catch assembly is installed around the cover plate, and the cover plate is installed in one end of filter dust case, and it is convenient to open and overhaul and replace filter dust plate, and the maintenance convenience is improved.

[0012] The utility model further sets up, and one end of clamping inner tube is installed with the external connection plate, and is connected with external suction equipment through the external connection plate, and the external connection plate is installed in one end of clamping inner tube, and is connected with external suction equipment, and it is convenient to quickly access external equipment.

[0013] The utility model further sets up, and the side wall of clamping inner tube is installed with sealing ring, and stretch-in frame stretches into clamping groove, and longitudinal moving ring pushes stretch-in frame and slides in surplus groove, so that stretch-in frame pushes clamping inner tube and presses sealing ring.

[0014] The utility model further sets up, and the bottom end of longitudinal moving ring is installed with soft pad, and soft pad can be pressed towards the top end of stretch-in frame, and when soft pad is pressed towards the top of stretch-in frame, buffering pressure is buffered, and the component is protected from being damaged, and the service life is prolonged.

[0015] The utility model further provides for, install valve assembly on the dust inlet pipe and the communicating pipe, valve assembly controls air flow, it is convenient for system regulation and quick closing under emergency.

[0016] (Three) beneficial effect

[0017] Compared with the prior art, the utility model provides a kind of organic chemical raw material processing filter dust removal device, with following beneficial effects:

[0018] The utility model sets up multilayer dust filter mechanism, and multilayer dust filter mechanism collects dust through dust suction hopper and dust inlet pipe, and is guided to filter dust box, and first filter dust board and second filter dust board are arranged to form multistage filtration system, different particle size dust particles can be effectively filtered, valve assembly is convenient for control air flow and emergency shutdown, improve filtering efficiency, reduce environmental pollution, while it is convenient for system regulation and maintenance.

[0019] The utility model sets up mounting clamping mechanism, and mounting clamping mechanism adopts the design that clamping outer pipe cooperates with clamping inner pipe, and preliminary fixation is realized by rotating push-in frame to push into slot to realize preliminary fixation, and longitudinal displacement ring is further pressed to push-in frame, so that the sealing ring of clamping inner pipe is pressed tightly, reliable sealing is formed, quick connection and disassembly of device and external suction equipment are realized, operation is simple, sealing effect is good, effectively prevent gas leakage.

[0020] The utility model sets up clamping auxiliary mechanism, and clamping auxiliary mechanism is composed of double-layer clamping ring and embedded rotating ring, and stable graded rotation of embedded rotating ring is realized by the design that bidirectional spring rod is gradually inserted into positioning hole, and screw plate is connected with longitudinal displacement ring by screw thread, rotation motion is converted into accurate longitudinal pressure, soft pad design buffers pressure, protects component, improves operation precision and convenience, enhances tactile feedback, prolongs the service life of device. ACCURACY

[0021] Figure 1 It is the overall structure schematic drawing of device in the utility model in unused state;

[0022] Figure 2 It is the structure schematic drawing of filter dust box inside in the utility model;

[0023] Figure 3 It is the structure schematic drawing of mounting clamping mechanism in the utility model;

[0024] Figure 4 It is the structure schematic drawing of mounting clamping mechanism and clamping auxiliary mechanism in the utility model;

[0025] Figure 5 It is the structure schematic drawing inside mounting clamping mechanism and clamping auxiliary mechanism in the utility model.

[0026] Fig. 1, dust filter box; 2, dust suction hopper; 3, dust inlet pipe; 4, communication pipe; 5, first dust filter plate; 6, second dust filter plate; 7, clamping outer pipe; 8, clamping inner pipe; 9, clamping groove; 10, excess slot; 11, rotary clamp frame; 12, longitudinal displacement ring; 13, double-layer clamping ring; 14, embedded rotating ring; 15, positioning hole; 16, bidirectional spring rod; 17, spiral plate; 18, connecting plate; 19, cover plate; 20, lock catch assembly; 21, external connecting plate; 22, sealing ring; 23, soft pad; 24, valve assembly; 101, extension frame. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0029] In the present application, unless otherwise stated, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravitational direction; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0030] Please refer to Figures 1-5 An organic chemical raw material processing and filtering dust removal device, comprising a dust filter box 1, a multi-layer dust filter mechanism, a clamping installation mechanism and a clamping auxiliary mechanism, the multi-layer dust filter mechanism comprises a dust suction hopper 2 and a dust inlet pipe 3, the dust suction hopper 2 is installed at one end of the dust inlet pipe 3, one end of the dust inlet pipe 3 is in communication with the dust filter box 1, and one end of the dust filter box 1 is provided with a communication pipe 4, the inside of the dust filter box 1 is provided with a first dust filter plate 5 and a second dust filter plate 6, the clamping installation mechanism comprises a clamping outer pipe 7 and a clamping inner pipe 8, a clamping groove 9 is formed in the side wall of the clamping inner pipe 8, an excess slot 10 is formed in the side wall of the clamping outer pipe 7, an extension frame 101 is horizontally and slidingly arranged on the side wall of the clamping outer pipe 7, a rotary clamp frame 11 is limitingly and rotatably installed on the outer wall of the clamping outer pipe 7, and the rotary clamp frame 11 is slidingly arranged in cooperation with the extension frame 101, the rotation of the rotary clamp frame 11 makes the extension frame 101 extend into the clamping groove 9, and a longitudinal displacement ring 12 is longitudinally and slidingly installed on the outer wall of the clamping outer pipe 7, and the longitudinal displacement ring 12 can be pressed towards the top end of the extension frame 101.

[0031] In the embodiment, the multi-layer dust filtering mechanism collects dust through the dust suction hopper 2, and the dust enters the dust filtering box 1 through the dust inlet pipe 3. The first dust filtering plate 5 and the second dust filtering plate 6 are installed in the dust filtering box 1 to form a multi-stage filtering system. When the dust-containing gas enters the dust inlet pipe 3 through the dust suction hopper 2, the flow is controlled by the valve assembly 24. After entering the dust filtering box 1, the gas is filtered by the first dust filtering plate 5 and the second dust filtering plate 6 in turn. Different particle sizes of dust are intercepted layer by layer, and the purified gas is discharged from the connecting pipe 4. The multi-layer filtering design can effectively improve the filtering efficiency and adapt to the filtering needs of dust of different particle sizes. The quick connection and sealing of the connecting pipe 4 and the external suction device are realized by installing the clamping mechanism. The clamping outer pipe 7 is connected to the connecting pipe 4 through the connecting plate 18, and the clamping inner pipe 8 is connected to the external suction device through the external connecting plate 21. During connection, the clamping inner pipe 8 is inserted into the clamping outer pipe 7. The rotary clamp frame 11 rotates to drive the extension frame 101 to slide horizontally and extend into the clamping groove 9 in the side wall of the clamping inner pipe 8, achieving preliminary fixation. Then, the vertical ring 12 slides downward and presses the top of the extension frame 101, causing the extension frame 101 to further slide in the excess slot 10 and push the clamping inner pipe 8 to compress the sealing ring 22, forming a sealed connection, making the connection process simple, fast and reliable.

[0032] The clamping auxiliary mechanism includes a double-layer clamping ring 13 and an embedded rotating ring 14. The double-layer clamping ring 13 is fixedly installed on the outer wall of the clamping outer pipe 7, and the embedded rotating ring 14 is limitingly and rotatably installed on the outer wall of the clamping outer pipe 7. The double-layer clamping ring 13 is provided with a positioning hole 15, and the embedded rotating ring 14 is provided with a bidirectional spring rod 16. The bidirectional spring rod 16 gradually extends into the positioning hole 15 to stabilize the rotation of the embedded rotating ring 14. The embedded rotating ring 14 is provided at one end with a spiral plate 17, which is threadedly connected with the vertical ring to push the vertical ring towards the extension frame 101.

[0033] In the embodiment, the clamping auxiliary mechanism provides auxiliary control function for the installation clamping mechanism. The double-layer clamping ring 13 is fixed on the outer wall of the clamping outer pipe 7, and the embedded rotating ring 14 is limitingly and rotatably installed on the outer wall of the clamping outer pipe 7. When operating, the embedded rotating ring 14 is rotated, and the bidirectional spring rod 16 thereon gradually extends into the positioning hole 15 of the double-layer clamping ring 13 to provide stable and graded rotation control. The spiral plate 17 at one end of the embedded rotating ring 14 is threadedly connected with the vertical ring 12. When the embedded rotating ring 14 is rotated, the vertical ring 12 is stably pressed downward through spiral transmission. The soft pad 23 at the bottom is pressed towards the top of the extension frame 101 to ensure uniform pressure and not damage the components, improving the accuracy of clamping process and operation convenience.

[0034] Please refer to Figures 1-5As a kind of organic chemical raw material processing filter dust removal device supplementary embodiment to multi-layer dust filter mechanism, installation clamping mechanism and clamping auxiliary mechanism: one end of clamping outer tube 7 is provided with connecting plate 18, clamping outer tube 7 is connected with communicating pipe 4 through connecting plate 18, one end of dust filter box 1 is provided with cover plate 19, and lock catch assembly 20 is installed around cover plate 19, one end of clamping inner tube 8 is provided with external connecting plate 21, and is connected with external suction equipment through external connecting plate 21, sealing ring 22 is installed on the sidewall of clamping inner tube 8, and extends into frame 101 extends into clamping groove 9, longitudinal displacement ring 12 pushes extending frame 101 to slide in the remaining groove 10, so that extending frame 101 pushes clamping inner tube 8 to compress sealing ring 22, soft pad 23 is installed at the bottom end of longitudinal displacement ring 12, and soft pad 23 can be compressed to the top end of extending frame 101, valve assembly 24 is installed on dust inlet pipe 3 and communicating pipe 4.

[0035] More specifically, connect the suction equipment, open the cover plate 19 of the dust filter box 1, check the state of the first dust filter plate 5 and the second dust filter plate 6, insert the clamping inner tube 8 into the clamping outer tube 7, rotate the rotary clamp frame 11, make the extending frame 101 extend into the clamping groove 9 on the sidewall of the clamping inner tube 8, rotate the embedded rotating ring 14, the bidirectional spring rod 16 gradually enters the positioning hole 15, control the rotation accuracy, the spiral plate 17 drives the longitudinal displacement ring 12 to press down, the soft pad 23 is pressed towards the extending frame 101, the extending frame 101 pushes the clamping inner tube 8 to compress the sealing ring 22, the valve assembly 24 on the dust inlet pipe 3 and the communicating pipe 4 is opened, the suction equipment is started, the dust enters the system through the dust hopper 2, the dust enters the dust filter box 1 through the dust inlet pipe 3, and is filtered in turn through the first dust filter plate 5 and the second dust filter plate 6, the purified gas is discharged through the communicating pipe 4 and the clamping mechanism, the valve is closed, the clamping connection is released, the lock catch assembly 20 on the cover plate 19 is opened, the dust filter plate is taken out for cleaning or replacement, and after cleaning is completed, the cover plate 19 is reinstalled and locked.

[0036] In summary, when the multi-layer dust filter mechanism needs to be operated, the multi-layer dust filter mechanism collects dust through the dust hopper 2, the dust enters the dust filter box 1 through the dust inlet pipe 3, the first dust filter plate 5 and the second dust filter plate 6 are installed in the dust filter box 1, forming a multi-stage filtering system, when the dust-containing gas enters the dust inlet pipe 3 through the dust hopper 2, the flow is controlled by the valve assembly 24, after entering the dust filter box 1, it is filtered in turn through the first dust filter plate 5 and the second dust filter plate 6, different particle sizes of dust are intercepted layer by layer, and the purified gas is discharged from the communicating pipe 4, the multi-layer filtering design can effectively improve the filtering efficiency, and adapt to the filtering needs of dust of different particle sizes.

[0037] When the installation clamping mechanism needs to be operated, the installation clamping mechanism realizes the quick connection and sealing of the communication pipe 4 and the external suction device. The clamping outer pipe 7 is connected with the communication pipe 4 through the connecting plate 18, and the clamping inner pipe 8 is connected with the external suction device through the external connecting plate 21. When connected, the clamping inner pipe 8 is inserted into the clamping outer pipe 7, the rotating clamp frame 11 rotates to drive the extension frame 101 to slide transversely and extend into the clamping groove 9 in the side wall of the clamping inner pipe 8, to realize preliminary fixation. Then, the vertical moving ring 12 slides downward and is pressed against the top of the extension frame 101, so that the extension frame 101 further slides in the excess slot 10, pushes the clamping inner pipe 8 to press the sealing ring 22, forms a sealed connection, so that the connection process is simple, fast and reliable in sealing.

[0038] When the clamping auxiliary mechanism needs to be operated, the clamping auxiliary mechanism provides auxiliary control function for the installation clamping mechanism. The double-layered clamping ring 13 is fixed on the outer wall of the clamping outer pipe 7, and the embedded rotating ring 14 is limitingly and rotatably installed on the outer wall of the clamping outer pipe 7. When operated, the embedded rotating ring 14 is rotated, and the bidirectional spring rod 16 on the embedded rotating ring 14 is gradually inserted into the positioning hole 15 of the double-layered clamping ring 13, to provide stable and step-by-step rotating control. The spiral plate 17 at one end of the embedded rotating ring 14 is threadedly connected with the vertical moving ring 12. When the embedded rotating ring 14 is rotated, the vertical moving ring 12 is stably pressed downward through spiral transmission. The soft pad 23 at the bottom is pressed against the top of the extension frame 101, to ensure uniform pressure and not damage the components, and to improve the precise control and operation convenience of the clamping process.

[0039] The suction device is connected, the cover plate 19 of the dust filtering box 1 is opened, the states of the first dust filtering plate 5 and the second dust filtering plate 6 are checked, the clamping inner pipe 8 is inserted into the clamping outer pipe 7, the rotating clamp frame 11 is rotated to make the extension frame 101 extend into the clamping groove 9 in the side wall of the clamping inner pipe 8, the embedded rotating ring 14 is rotated, the bidirectional spring rod 16 is gradually inserted into the positioning hole 15, the rotating precision is controlled, the spiral plate 17 drives the vertical moving ring 12 to press downward, the soft pad 23 is pressed against the extension frame 101, the extension frame 101 pushes the clamping inner pipe 8 to press the sealing ring 22, the valve assembly 24 on the dust inlet pipe 3 and the communication pipe 4 is opened, the suction device is started, dust enters the system through the dust suction hopper 2, the dust enters the dust filtering box 1 through the dust inlet pipe 3, is filtered through the first dust filtering plate 5 and the second dust filtering plate 6 in turn, the purified gas is discharged through the communication pipe 4 and the clamping mechanism, the valve is closed, the clamping connection is released, the lock buckle assembly 20 on the cover plate 19 is opened, the dust filtering plate is taken out for cleaning or replacement, and after cleaning is completed, the cover plate 19 is reinstalled and locked.

[0040] In all the above-mentioned solutions, the connection between the two components can be selected according to actual conditions, such as welding, bolt and nut connection, bolt or screw connection or other known connection modes, which will not be described one by one. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0041] In all the above-mentioned solutions, the electrical element operation is controlled by the controller unless otherwise specified. Since the controller is matched with a commonly used device, its control principle and circuit connection belong to existing known and mature technology, and the specific circuit structure will not be described here. In all the above-mentioned solutions, the motor can be matched with a speed reducer if necessary. The connection structure and working principle between the motor and the speed reducer are existing known technology, and the utility model will not be described.

Claims

1. An organic chemical raw material processing dust filtering device, comprising a dust filtering box (1), a multi-layer dust filtering mechanism, a mounting clamping mechanism and a clamping auxiliary mechanism, characterized in that: The multi-layer dust filtering mechanism comprises a dust suction hopper (2) and a dust inlet pipe (3), the dust suction hopper (2) is installed at one end of the dust inlet pipe (3), one end of the dust inlet pipe (3) is arranged in communication with the dust filtering box (1), one end of the dust filtering box (1) is provided with a communication pipe (4), the inside of the dust filtering box (1) is provided with a first dust filtering plate (5) and a second dust filtering plate (6), the installation clamping mechanism comprises a clamping outer pipe (7) and a clamping inner pipe (8), a clamping groove (9) is arranged on the side wall of the clamping inner pipe (8), a surplus groove (10) is arranged on the side wall of the clamping outer pipe (7), a stretching frame (101) is horizontally and slidingly arranged on the side wall of the clamping outer pipe (7), a rotary clamping frame (11) is limitingly and rotationally arranged on the outer wall of the clamping outer pipe (7) and slidingly arranged in cooperation with the stretching frame (101), the rotation of the rotary clamping frame (11) enables the stretching frame (101) to stretch into the clamping groove (9), and a longitudinal moving ring (12) is longitudinally and slidingly arranged on the outer wall of the clamping outer pipe (7) and can press the top end of the stretching frame (101).

2. The organic chemical raw material processing filtration and dust removal device according to claim 1, characterized in that: The clamping auxiliary mechanism comprises a double-layer clamping ring (13) and an embedded rotating ring (14), the double-layer clamping ring (13) is fixedly installed on the outer wall of the clamping outer pipe (7), the embedded rotating ring (14) is limitingly and rotationally arranged on the outer wall of the clamping outer pipe (7), a positioning hole (15) is arranged on the double-layer clamping ring (13), a bidirectional spring rod (16) is installed on the embedded rotating ring (14) and gradually stretches into the positioning hole (15), so that the embedded rotating ring (14) stably rotates, a spiral plate (17) is installed at one end of the embedded rotating ring (14) and is in threaded driving connection with the longitudinal ring, so that the longitudinal ring is pressed towards the stretching frame (101).

3. The organic chemical raw material processing filter dust removal device according to claim 1, characterized in that: One end of the clamping outer pipe (7) is provided with a connecting plate (18), and the clamping outer pipe (7) is connected with the communication pipe (4) through the connecting plate (18).

4. The organic chemical raw material processing filter dust removal device according to claim 1, characterized in that: One end of the dust filtering box (1) is provided with a cover plate (19), and a lock catch assembly (20) is arranged around the cover plate (19).

5. The organic chemical raw material processing filter dust removal device according to claim 1, characterized in that: One end of the clamping inner pipe (8) is provided with an external connecting plate (21) and is connected with external suction equipment through the external connecting plate (21).

6. The organic chemical raw material processing filtration and dust removal device according to claim 1, characterized in that: A sealing ring (22) is arranged on the side wall of the clamping inner pipe (8), the stretching frame (101) stretches into the clamping groove (9), the longitudinal moving ring (12) drives the stretching frame (101) to slide in the surplus groove (10), and the stretching frame (101) drives the clamping inner pipe (8) to press the sealing ring (22).

7. The organic chemical raw material processing filtration and dust removal device according to claim 1, characterized in that: A soft pad (23) is arranged at the bottom end of the longitudinal moving ring (12) and can press the top end of the stretching frame (101).

8. The organic chemical raw material processing filtration and dust removal device according to claim 1, characterized in that: Valve assemblies (24) are arranged on the dust inlet pipe (3) and the communication pipe (4).