Tail gas recovery device for ultra-high molecular weight polyethylene fiber production

Abstract

The utility model discloses a tail gas recovery device for ultra-high molecular weight polyethylene fiber production, which comprises a fixed base plate, the top surface of the fixed base plate is symmetrically and fixedly connected with mounting racks, and the top surfaces of the two mounting racks are respectively and fixedly connected with a first mounting pipe and a second mounting pipe; a detachable filtering assembly is in threaded connection between the first mounting pipe and the second mounting pipe, a cleaning assembly is fixedly mounted in the first mounting pipe, a gas conveying pipe is fixedly connected to the end, away from the first mounting pipe, of the second mounting pipe, and a one-way valve is mounted at the end, away from the second mounting pipe, of the gas conveying pipe; a tail gas treatment assembly is connected to the end, away from the gas conveying pipe, of the one-way valve, large-particle impurities adsorbed to the surface of the filtering frame are cleaned through the filtering frame, the situation that the ventilation effect of the filtering frame is affected by impurity adhesion is prevented, the impurities are filtered while the efficiency is guaranteed, the whole device is detachable, and follow-up cleaning of the device is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the tail gas recovery technical field for polyethylene fiber production, concretely to a tail gas recovery device for ultrahigh molecular weight polyethylene fiber production. BACKGROUND

[0002] Ultrahigh molecular weight polyethylene fiber is a kind of high-performance synthetic fiber, has very high strength and modulus and toughness and impact resistance;It has excellent resistance, certain resistance to ultraviolet light and extremely excellent wear resistance, can bear larger friction without easy wear, in the polymerization stage of polyethylene fiber production, the main raw material ethylene is a volatile organic compound, when processing, it may due to raw material volatilization, incomplete polymerization reaction and heating drying etc. Link, corresponding tail gas will be produced, to reduce the pollution to the environment, production processing safety and resource recycling, tail gas recovery device needs to be used to treat the tail gas generated;

[0003] Such as the authorized announcement no. CN216703925U discloses a tail gas recovery and discharge device for chlorinated polyethylene production, including recovery bin and gas drainage mechanism, the gas drainage mechanism is arranged in the middle of recovery bin, the gas drainage mechanism includes partition cylinder and mounting bracket, the outer wall of the partition cylinder is symmetrically provided with mounting bracket, the partition cylinder is fixedly connected in the inside of recovery bin by two mounting brackets, the inside of the partition cylinder is fixedly connected with spiral belt, the device is constituted by closed structure as a whole, tail gas treatment will have larger particles of impurities, such as dust, fiber, etc., when the tail gas is filtered and adsorbed in the device, the impurities will be intercepted on the surface of spiral belt, baffle, inconvenient subsequent cleaning. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a tail gas recovery device for ultrahigh molecular weight polyethylene fiber production to solve the problem that the device is constituted by closed structure as a whole, tail gas treatment will have larger particles of impurities, such as dust, fiber, etc., when the tail gas is filtered and adsorbed, the impurities will be intercepted on the surface of spiral belt, baffle, inconvenient subsequent cleaning raised in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: A tail gas recovery device for ultra high molecular weight polyethylene fiber production, including fixed base plate, the fixed base plate top surface symmetry fixedly connected with mounting bracket, two mounting bracket top surfaces are fixedly connected with first installation pipe and second installation pipe, the first installation pipe and second installation pipe between threadedly connected with detachable filter assembly, the first installation pipe inside fixedly installed with cleaning assembly, the second installation pipe away from first installation pipe one end fixedly connected with gas pipe, the gas pipe away from second installation pipe one end is installed with check valve, the check valve away from gas pipe one end is connected with tail gas treatment assembly, the filter frame is cleaned to the larger particle impurity adsorbed on the filter frame surface, prevents the impurity adhesion and influences the ventilation effect of filter frame, guarantees the efficiency and filters the impurity, the whole device is detachable, and the subsequent cleaning of the device is convenient.

[0006] Preferably, the cleaning assembly includes a first installation pipe, a cross fixed frame is fixedly installed on one side of the inner wall of the first installation pipe, a drive motor is fixedly installed on one side of the cross fixed frame, the output shaft of the drive motor penetrates the cross fixed frame, a rotating guide rail is fixedly connected to the output shaft of the drive motor, a cleaning plate is slidably connected inside the rotating guide rail, a cleaning brush is fixedly connected to one side of the cleaning plate away from the cross fixed frame, which facilitates cleaning of the filter frame on the outermost side, keeps the filter frame clean, and ensures the filtering effect and ventilation efficiency.

[0007] Preferably, the detachable filter assembly includes a first internally threaded pipe, the first internally threaded pipe is threadedly connected to one end of the first installation pipe, a corrugated pipe is fixedly connected to one end of the first internally threaded pipe away from the first installation pipe, a second internally threaded pipe is fixedly connected to one end of the corrugated pipe away from the first internally threaded pipe, a stop ring is fixedly arranged on the inner wall of one end of the first internally threaded pipe away from the first installation pipe, a plurality of filter frames are movably clamped on one side of the stop ring close to the first installation pipe, and a fixed ring seat is fixedly connected to one end of the filter frame close to the first installation pipe, the filter frames are fixed by the stop ring and the fixed ring seat, and a detachable structure is adopted, which facilitates subsequent replacement of the filter frames.

[0008] Preferably, threads are formed in the outer wall of the stop ring and match the inner wall of the first internally threaded pipe, and the second internally threaded pipes gradually increase in size in the direction from the corrugated pipe to the first installation pipe, so that the gas is filtered in stages and the impurities are intercepted to prevent the impurities from entering.

[0009] Preferably, the first mounting pipe is provided with external threads near the outer side of one end of the first internally threaded pipe, the first internally threaded pipe is provided with matching internal threads on the inner wall of the corresponding end, the baffle ring is provided with internal threads near the inner wall of one end of the second mounting pipe, and the second mounting pipe is provided with matching external threads on the outer wall of the corresponding end, so that the first mounting pipe, the first internally threaded pipe, the second mounting pipe and the baffle ring form a threaded connection structure which is convenient to disassemble, facilitating cleaning and disassembly of the device.

[0010] Preferably, the tail gas treatment assembly comprises a storage tank, the storage tank is connected to the one-way valve away from the gas conveying pipe, the side of the storage tank away from the one-way valve is fixedly connected with a liquid discharge pipe, and the top surface of the storage tank is fixedly connected with a collecting pipe, so that the entering tail gas is treated.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The cross-shaped fixing frame, the driving motor, the rotating guide rail, the cleaning plate, the cleaning brush and the plurality of filter frames are designed to clean the larger impurities adsorbed on the surface of the filter frame, prevent the impurities from adhering to affect the ventilation effect of the filter frame, and ensure the efficiency while filtering the impurities.

[0013] The first internally threaded pipe, the corrugated pipe, the second internally threaded pipe, the baffle ring, the positioning ring seat, the filter frame and the second mounting pipe are designed to be threadedly connected, so that the device is integrally detachable, and subsequent cleaning of the device is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a positioning ring seat and filter frame position distribution schematic view of the utility model;

[0016] Figure 3 It is a baffle ring position distribution schematic view of the utility model;

[0017] Figure 4 It is a cross-shaped fixing frame and driving motor position distribution schematic view of the utility model.

[0018] In the drawing: 1, fixed base plate; 2, mounting frame; 3, first mounting pipe; 4, cross-shaped fixing frame; 5, driving motor; 6, rotating guide rail; 7, cleaning plate; 8, cleaning brush; 9, first internally threaded pipe; 10, corrugated pipe; 11, second internally threaded pipe; 12, baffle ring; 13, positioning ring seat; 14, filter frame; 15, second mounting pipe; 16, gas conveying pipe; 17, one-way valve; 18, storage tank; 19, liquid discharge pipe; 20, collecting pipe. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described in connection with the drawings in the embodiments of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides a kind of tail gas recovery device for ultra-high molecular weight polyethylene fiber production, including fixed base plate 1, fixed base plate 1 top surface is fixedly connected with mounting bracket 2, mounting bracket 2 is fixed on the top surface of fixed base plate 1 by screw thread, the top surface of two mounting brackets 2 is fixedly connected with first installation pipe 3 and second installation pipe 15, first installation pipe 3 and second installation pipe 15 are threadedly connected with detachable filter assembly, filter and intercept impurity to the tail gas entering, first installation pipe 3 is fixedly installed with cleaning assembly in the inside, the impurity adhered to the surface of filter frame 14 is cleaned, second installation pipe 15 is fixedly connected with gas pipe 16 at the end away from first installation pipe 3, one-way valve 17 is installed at the end away from second installation pipe 15 of gas pipe 16, prevent liquid in storage tank 18 from backflow when tail gas passes, one-way valve 17 is connected with tail gas treatment assembly at the end away from gas pipe 16, by solution, tail gas is treated again, so that tail gas is discharged in compliance.

[0021] Further, the cleaning assembly includes the first installation pipe 3, the first installation pipe 3 is fixedly installed with the cross fixed frame 4 on one side of inner wall, the cross fixed frame 4 is fixedly installed with the driving motor 5 on one side, the driving motor 5 output shaft penetrates the cross fixed frame 4, the driving motor 5 output shaft is fixedly connected with the rotating guide rail 6, the rotating guide rail 6 is slidably connected with the cleaning plate 7 in the inside, the cleaning plate 7 is fixedly connected with the cleaning brush 8 on the side away from the cross fixed frame 4, the driving motor 5 is rotated to drive the rotating guide rail 6 to rotate, the rotating guide rail 6 drives the cleaning plate 7 to rotate, the cleaning plate 7 drives the cleaning brush 8 to rotate, and cleaning can be started.

[0022] Further, the detachable filter assembly includes the first inner threaded pipe 9, the first inner threaded pipe 9 is threadedly connected to one end of the first installation pipe 3, the first inner threaded pipe 9 is fixedly connected with the corrugated pipe 10 at the end away from the first installation pipe 3, the corrugated pipe 10 is fixedly connected with the second inner threaded pipe 11 at the end away from the first inner threaded pipe 9, the first inner threaded pipe 9 is fixedly provided with the retaining ring 12 on the inner wall of the end away from the first installation pipe 3, a plurality of filter frames 14 are movably clamped on one side of the retaining ring 12 close to the first installation pipe 3, one filter frame 14 close to the first installation pipe 3 is fixedly connected with the positioning ring seat 13 at the end, when using the device, the filter frame 14 is placed inside the first inner threaded pipe 9, so that it is tightly attached to the retaining ring 12, after the filter frame 14 is placed, the positioning ring seat 13 is connected with the inner pipe body of the first inner threaded pipe 9, the fixing of the filter frame 14 is completed, the first inner threaded pipe 9 and the first installation pipe 3 are screwed, the second inner threaded pipe 11 and the second installation pipe 15 are screwed, and the installation of the filter structure is completed.

[0023] Furthermore, the outer wall of the retaining ring 12 is provided with a thread that matches the inner wall of the first internally threaded tube 9, and the throughput of each second internally threaded tube 11 increases sequentially from the bellows 10 to the first mounting tube 3. During installation, they are placed in this order.

[0024] Furthermore, the outer side of the first mounting tube 3 near the first internally threaded tube 9 is provided with an external thread, and the inner wall of the corresponding end of the first internally threaded tube 9 is provided with a matching internal thread. The inner wall of the retaining ring 12 near the second mounting tube 15 is provided with an internal thread, and the outer wall of the corresponding end of the second mounting tube 15 is provided with a matching external thread.

[0025] Furthermore, the exhaust gas treatment assembly includes a storage tank 18. A liquid inlet pipe with a cover is fixedly installed on the top surface of the storage tank 18 to facilitate the addition of exhaust gas treatment solution. The storage tank 18 is connected to the end of the one-way valve 17 away from the gas supply pipe 16. A drain pipe 19 is fixedly connected to the side of the storage tank 18 away from the one-way valve 17 to facilitate the discharge of the used solution. After the solution is treated, the substances that react with the solution in the exhaust gas are recovered. A collection pipe 20 is fixedly connected to the top surface of the storage tank 18, and the exhaust gas is discharged after treatment.

[0026] When this application embodiment is used:

[0027] When using this device, first add an appropriate amount of exhaust gas treatment solution into the storage tank 18. Place the filter frame 14 inside the first internally threaded tube 9, ensuring it is tightly against the retaining ring 12. After the filter frame 14 is in place, use the positioning ring seat 13 to connect with the inner tube body of the first internally threaded tube 9 to fix the filter frame 14. Screw the first internally threaded tube 9 and the first mounting tube 3 together, and screw the second internally threaded tube 11 and the second mounting tube 15 together to complete the installation of the filter structure. Install the filter frame 14 in a sequence that increases in size from the corrugated tube 10 towards the first mounting tube 3. After installation, attach the cleaning brush 8 to the filter frame. 14. Surface contact, drive motor 5 rotates, driving rotating guide rail 6 to rotate, rotating guide rail 6 drives cleaning plate 7, and cleaning plate 7 drives cleaning brush 8 to rotate, thus starting cleaning. After the exhaust gas enters through the first installation pipe 3, it is filtered by the filter frame 14. Impurities adhere to the surface of the filter frame 14. The cleaning brush 8 is used to clean the impurities adhering to the surface of the filter frame 14. Then the exhaust gas enters the storage tank 18 through the one-way valve 17 and reacts with the treatment solution. Then the exhaust gas is discharged through the collection pipe 20. After the treatment is completed, the reacted solution is discharged through the drain pipe 19 for further treatment and recycling.

[0028] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An off-gas recovery device for the production of an ultra-high molecular weight polyethylene fiber, comprising a fixed base plate (1), characterized in that; The fixed base plate (1) top surface symmetry fixed connection has the mounting bracket (2), two mounting bracket (2) top surface respectively fixed connection has the first installation pipe (3) and second installation pipe (15), the first installation pipe (3) and second installation pipe (15) between thread connection has detachable filter assembly, the first installation pipe (3) inside fixed installation has cleaning assembly, the second installation pipe (15) away from the first installation pipe (3) one end fixed connection has the gas pipe (16), the gas pipe (16) away from the second installation pipe (15) one end is installed one-way valve (17), the one-way valve (17) away from the gas pipe (16) one end is connected with tail gas treatment assembly.

2. The exhaust gas recovery device for the production of an ultra-high molecular weight polyethylene fiber according to claim 1, characterized by: The cleaning assembly includes a first installation pipe (3), a cross fixed frame (4) is fixedly installed on the inner wall of the first installation pipe (3), a drive motor (5) is fixedly installed on one side of the cross fixed frame (4), the output shaft of the drive motor (5) penetrates the cross fixed frame (4), the output shaft of the drive motor (5) is fixedly connected with a rotating guide rail (6), a cleaning plate (7) is slidably connected in the rotating guide rail (6), and a cleaning brush (8) is fixedly connected on the side of the cleaning plate (7) away from the cross fixed frame (4).

3. The exhaust gas recovery device for the production of an ultra-high molecular weight polyethylene fiber according to claim 1, characterized by: The detachable filter assembly includes a first internally threaded pipe (9), the first internally threaded pipe (9) is threadedly connected to one end of the first installation pipe (3), a corrugated pipe (10) is fixedly connected to the end of the first internally threaded pipe (9) away from the first installation pipe (3), a second internally threaded pipe (11) is fixedly connected to the end of the corrugated pipe (10) away from the first internally threaded pipe (9), a retaining ring (12) is fixedly arranged on the inner wall of the end of the first internally threaded pipe (9) away from the first installation pipe (3), and a plurality of filter frames (14) are movably clamped on the side of the retaining ring (12) close to the first installation pipe (3). One end of the filter frame (14) close to the first installation pipe (3) is fixedly connected with a positioning ring seat (13).

4. The exhaust gas recovery device for the production of an ultra-high molecular weight polyethylene fiber according to claim 3, characterized by: The outer wall of the retaining ring (12) is provided with threads matched with the inner wall of the first internally threaded pipe (9), and the second internally threaded pipes (11) gradually increase in size from the corrugated pipe (10) to the first installation pipe (3).

5. The exhaust gas recovery device for the production of an ultra-high molecular weight polyethylene fiber according to claim 3, characterized by: The outer side of the end of the first installation pipe (3) close to the first internally threaded pipe (9) is provided with external threads, the inner wall of the end of the first internally threaded pipe (9) corresponding to the external threads is provided with internal threads matched with the external threads, the inner wall of the end of the retaining ring (12) close to the second installation pipe (15) is provided with internal threads, and the outer wall of the end of the second installation pipe (15) corresponding to the internal threads is provided with external threads matched with the internal threads.

6. The exhaust gas recovery device for the production of an ultra-high molecular weight polyethylene fiber according to claim 1, characterized by: The tail gas treatment assembly includes a storage tank (18), the storage tank (18) is connected to the end of the one-way valve (17) away from the gas pipe (16), a liquid discharge pipe (19) is fixedly connected to the side of the storage tank (18) away from the one-way valve (17), and a collecting pipe (20) is fixedly connected to the top surface of the storage tank (18).

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