Coal gas cloth bag dust removal blowback structure

By designing a combination of blowpipes, slide rails, fixing blocks, and cleaning brushes, the problem of poor dust cleaning effect inside the filter bags in existing technologies has been solved, achieving more efficient dust removal and filter bag filtration, and ensuring the stability and flexibility of the dust removal system.

CN224040346UActive Publication Date: 2026-03-27SHANXI XINHUAYU ENVIRONMENTAL PROTECTION ENG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing gas bag filter dust removal reverse-flushing structures, the blowing force decreases as the airflow distance increases when removing dust from inside the bag, resulting in poor cleaning effect and affecting the filtration efficiency of the bag.

Method used

A gas bag filter dust collector backflushing structure was designed, including a blow pipe, a slide rail, a fixing block, an impeller, and a cleaning brush plate. The cleaning brush plate is driven to rotate by the impeller, and combined with the elastic sheet and vibration device, it removes dust from the inner wall of the bag, improving the cleaning effect. The fixing block facilitates disassembly and installation.

Benefits of technology

It enhances the ability to clean dust from the inner wall of the filter bag, improves the filtration and purification effect of the filter bag, increases the flexibility and convenience of the cleaning brush plate, and ensures the stable operation of the dust removal system.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224040346U_ABST
    Figure CN224040346U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of coal gas purification, and particularly relates to a coal gas cloth bag dust removal blowback structure which comprises a coal gas cloth bag body, a blowing pipe is mounted on the inner side wall of the coal gas cloth bag body; the inner side wall of the blowing pipe is fixedly connected with a pair of sliding rails; the sliding rails are symmetrically arranged on the two sides of the gas cloth bag body and are the same in structure. Firstly, the impeller and the cleaning brush plate are placed in the coal gas cloth bag body, the fixing block is inserted into the sliding rail, the impeller can be installed and fixed, the impeller can be driven to rotate through impact of airflow on the impeller, and the inner side wall of the coal gas cloth bag body is cleaned; the cleaning effect on dust attached to the inner side wall of the gas cloth bag body can be further improved through cleaning of the cleaning brush plate, the follow-up filtering and purifying effect of the gas cloth bag body is improved, meanwhile, fixing blocks are inserted into sliding rails for fixing, the effect of conveniently detaching and collecting the impeller and the cleaning brush plate can be achieved, and the using flexibility of the gas cloth bag is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to coal gas purification technical field, specifically is a coal gas cloth bag dust removal back flush structure. BACKGROUND

[0002] In the industrial production field, coal gas as important energy is widely used in steel, chemical industry many industries, coal gas is mixed with a large amount of dust in production and conveying process, if not effectively handled, can cause serious wear and tear to subsequent use equipment.

[0003] In the prior art, coal gas cloth bag dust removal is mainly used, becomes the common means of purifying coal gas, and in the cloth bag dust removal system, back flush structure is crucial, its function is to remove the dust adhered to the surface of cloth bag, restores the air permeability of cloth bag, guarantees the continuous and stable operation of dust removal system, in the use process, mainly utilizes the connection of spray pipe and pulse valve, and the spray hole is opened on the pipe wall according to certain spacing and angle, the high-pressure compressed air sprayed from the pulse valve passes through the spray hole on the spray pipe, is directly sprayed into the filter bag in the form of high-speed airflow, thereby the dust removal effect can be achieved.

[0004] But in the prior art, the coal gas cloth bag back flush structure is found in the use process, due to the dust adhered in the cloth bag is large in range, the farther the airflow flows, the smaller the blowing strength is, thereby it is difficult to blow off the adhered dust, resulting in poor cleaning effect, thereby the secondary filtration effect of cloth bag is affected, therefore, aiming at the above problems, a coal gas cloth bag dust removal back flush structure is provided. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiency of the prior art, solve at least one technical problem proposed in the background art, the utility model provides a coal gas cloth bag dust removal back flush structure.

[0006] The utility model discloses a coal gas cloth bag dust removal back flush structure, including coal gas cloth bag body, the coal gas cloth bag body inner side wall is installed with the spray pipe, the spray pipe inner side wall is fixedly connected with a pair of slide rails, the slide rail is symmetrically arranged on both sides of the coal gas cloth bag body and is same in structure, the slide rail inner side wall is slidably connected with the fixed block, the fixed block side wall is provided with the slot, the slide rail side wall is fixedly connected with the support, the support side wall is fixedly connected with the first spring, the first spring end is fixedly connected with the plug block, the fixed block side wall is fixedly connected with the same fixed frame, the fixed frame side wall is rotatably connected with the impeller, the impeller side wall is equipped with a pair of cleaning brush plates, the cleaning brush plate is symmetrically arranged on both sides of the impeller and is same in structure, the cleaning brush plate side wall is fixedly connected with the connecting rod.

[0007] Preferably, the slide rail side wall is fixed with a protruding block; the cleaning brush plate side wall is fixed with an elastic rod; the elastic rod end is fixed with a counterweight ball; the counterweight ball side wall is fixed with a support rod; the cleaning brush plate side wall is symmetrically fixed with a pair of first elastic sheets.

[0008] Preferably, the insert block side wall is uniformly provided with a plurality of clamping grooves; the insert slot side wall is fixed with a plurality of elastic plates; the elastic plates are uniformly distributed on the insert slot side wall and are identical in structure; the elastic plate side wall is fixed with a rubber strip.

[0009] Preferably, the impeller side wall is provided with a pair of mounting plates; the mounting plates are symmetrically arranged on both sides of the impeller and are identical in structure; the mounting plate side wall is symmetrically provided with a pair of through holes; the cleaning brush plate side wall is fixed with a pair of insert rods; the insert rods are symmetrically arranged on both sides of the cleaning brush plate and are identical in structure; the insert rod and the through hole are in sliding fit; the insert rod side wall is uniformly fixed with a plurality of second elastic sheets.

[0010] Preferably, the impeller side wall is fixed with a pair of telescopic rods; the telescopic rods are symmetrically arranged on both sides of the impeller and are identical in structure; the telescopic rod outer side is sleeved with a second spring; the telescopic rod, the second spring and the mounting plate are in fixed connection.

[0011] Preferably, the insert block side wall is fixed with a sliding rod; the sliding rod penetrates through the support wall body and is in sliding connection therewith; the sliding rod end is fixed with a pull ring.

[0012] The utility model discloses a beneficial effect:

[0013] 1. The utility model provides a coal gas cloth bag dust removal blowback structure, through setting up the slide rail and cleaning brush plate, utilizes cleaning brush plate cleaning to further increase the cleaning effect of the dust attached on the inside wall of coal gas cloth bag body, improves the subsequent filtration purification effect of coal gas cloth bag body, can play the role of convenient to the impeller and cleaning brush plate disassembly collection simultaneously with the fixed block insertion in the slide rail and fixes, increases its flexibility when using.

[0014] 2. The utility model provides a coal gas cloth bag dust removal blowback structure, through setting up the first elastic sheet, can play the cleaning effect of the dust attached on the cleaning brush plate surface, reduces the coverage of dust on the cleaning brush plate surface, and further improves the cleaning effect of the coal gas cloth bag body. DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application. The schematic embodiments and the description thereof are used to explain the utility model and do not constitute improper limitation on the utility model. In the drawings:

[0016] Figure 1is a perspective view of the utility model;

[0017] Figure 2 is a perspective view of the impeller in the utility model;

[0018] Figure 3 is a perspective view of the cleaning brush plate in the utility model;

[0019] Figure 4 is Figure 3 is a partial enlarged view of A in the middle;

[0020] Figure 5 is a perspective view of the sliding rail in the utility model;

[0021] Figure 6 is Figure 5 is a partial enlarged view of B in the middle.

[0022] Legend:

[0023] 1, gas cloth bag body;11, blow pipe;12, sliding rail;13, fixed block;14, slot;15, support;16, first spring;17, plug block;18, fixed frame;19, impeller;110, cleaning brush plate;111, connecting rod;2, lug;21, elastic rod;22, counterweight ball;23, support rod;24, first elastic sheet;3, clamping groove;31, elastic plate;32, rubber strip;4, mounting plate;41, through hole;42, plug rod;43, second elastic sheet;5, telescopic rod;51, second spring;6, sliding rod;61, pull ring. Specific embodiments

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Specific embodiments are given below.

[0026] Please refer to Figures 1-6The utility model provides a kind of coal gas cloth bag dust removal blowback structure, including coal gas cloth bag body 1;The inside wall of the coal gas cloth bag body 1 is equipped with injection pipe 11;One pair of slide rails 12 is fixedly connected to the inside wall of the injection pipe 11;The slide rail 12 is symmetrically arranged on the both sides of coal gas cloth bag body 1 and same structure;Fixed block 13 is slidably connected to the inside wall of the slide rail 12;Insert slot 14 is arranged in the side wall of the fixed block 13;Support 15 is fixedly connected to the side wall of the slide rail 12;First spring 16 is fixedly connected to the side wall of the support 15;Insert block 17 is fixedly connected to the end of the first spring 16;The same fixed frame 18 is fixedly connected to the side wall of the fixed block 13;Impeller 19 is rotatably connected to the side wall of the fixed frame 18;A pair of cleaning brush plates 110 are arranged on the side wall of the impeller 19;The cleaning brush plate 110 is symmetrically arranged on the both sides of impeller 19 and same structure;Connecting rod 111 is fixedly connected to the side wall of the cleaning brush plate 110;When using, first, impeller 19 and cleaning brush plate 110 are placed into coal gas cloth bag body 1, then insert block 17 is pulled, after pulling, fixed block 13 is inserted into slide rail 12, so that insert slot 14 is corresponding with the position of insert block 17, then insert block 17 is loosened, and insert block 17 is pushed into insert slot 14 using the elasticity of first spring 16, and fixed block 13 is fixed, i.e. the installation and fixation of impeller 19 can be completed, when blowing and dust removing in coal gas cloth bag body 1 by injection pipe 11, the rotation of impeller 19 can be driven using the impact of airflow, so that cleaning brush plate 110 rotates on the inside wall of coal gas cloth bag body 1, and the inside wall of coal gas cloth bag body 1 is cleaned, and when cleaning, connecting rod 111 can be used to fixedly connect multiple bristles on the side wall of cleaning brush plate 110, so that they are concentrated together when cleaning, improve cleaning effect, in the process, cleaning effect on dust attached on the inside wall of coal gas cloth bag body 1 can be further improved using cleaning brush plate 110 to clean, improve subsequent filtering and purification effect of coal gas cloth bag body 1, and fixed block 13 is inserted into slide rail 12 for fixation, which can facilitate the disassembly and collection of impeller 19 and cleaning brush plate 110, increase flexibility when using.

[0027] Further, as Figures 1-6As shown, the slide rail 12 side wall is fixed with a protrusion 2; the cleaning brush plate 110 side wall is fixed with an elastic rod 21; the elastic rod 21 end is fixed with a counterweight ball 22; the counterweight ball 22 side wall is fixed with a support rod 23; the cleaning brush plate 110 side wall is symmetrically fixed with a pair of first elastic sheets 24; in use, as the cleaning brush plate 110 rotates, the support rod 23 will hit the protrusion 2 wall, causing the elastic rod 21 to drive the counterweight ball 22 to swing, and the counterweight ball 22 will hit the first elastic sheet 24 wall during the swing, causing the first elastic sheet 24 to vibrate and produce a certain vibration effect, which can shake off the dust attached to the surface of the cleaning brush plate 110, which can clean the dust attached to the surface of the cleaning brush plate 110, reduce the coverage of the dust on the surface of the cleaning brush plate 110, and further increase the subsequent cleaning effect of the cleaning brush plate 110, and further improve the cleaning effect of the coal gas cloth bag body 1.

[0028] Further, as shown in Figures 1-6 The side wall of the insertion block 17 is uniformly provided with a plurality of clamping grooves 3; the side wall of the insertion slot 14 is fixed with a plurality of elastic plates 31; the elastic plates 31 are uniformly distributed on the side wall of the insertion slot 14 and have the same structure; the side wall of the elastic plate 31 is fixed with a rubber strip 32; in use, when the insertion block 17 is inserted into the insertion slot 14, the insertion block 17 will extrude the rubber strip 32 to open the elastic plate 31, and when the clamping groove 3 moves to the position corresponding to the rubber strip 32, the elasticity of the elastic plate 31 can push the rubber strip 32 into the side wall of the clamping groove 3, and at this time a certain friction will be generated by the contact between the two, which can increase the fixing effect of the insertion block 17 in the insertion slot 14, thereby increasing the firmness of the fixed block 13 in the slide rail 12 and improving the stability of the impeller 19 in use.

[0029] Further, as shown in Figures 1-6 The side wall of the impeller 19 is provided with a pair of mounting plates 4; the mounting plates 4 are symmetrically arranged on both sides of the impeller 19 and have the same structure; a pair of through holes 41 are symmetrically provided in the side wall of the mounting plate 4; a pair of insertion rods 42 are fixed to the side wall of the cleaning brush plate 110; the insertion rods 42 are symmetrically arranged on both sides of the cleaning brush plate 110 and have the same structure; the insertion rod 42 and the through hole 41 are in sliding fit; a plurality of second elastic sheets 43 are uniformly fixed to the side wall of the insertion rod 42; in use, by holding the cleaning brush plate 110 and fitting it with the side wall of the mounting plate 4, the insertion rod 42 is inserted into the through hole 41, the second elastic sheet 43 can be extruded to approach the insertion rod 42, and after the second elastic sheet 43 passes through the through hole 41, the second elastic sheet 43 can be quickly reset and abut against the side wall of the mounting plate 4 to fix the cleaning brush plate 110, which can facilitate the disassembly and installation of the cleaning brush plate 110, improve the convenience of disassembly and replacement of the cleaning brush plate 110, and further increase the practicality of the cleaning brush plate 110.

[0030] Further, as shown in Figures 1-6 The side wall of the impeller 19 is fixed with a pair of telescopic rods 5; the telescopic rods 5 are symmetrically arranged on both sides of the impeller 19 and have the same structure; the outer side of the telescopic rod 5 is sleeved with a second spring 51; the telescopic rod 5, the second spring 51 and the mounting plate 4 are in a fixed relationship; in use, when the cleaning brush plate 110 is cleaning, the elasticity of the second spring 51 will exert a certain reaction force on the mounting plate 4, and the telescopic rod 5 can maintain the horizontal movement of the mounting plate 4, at this time, the cleaning brush plate 110 can be fully contacted with the inner side wall of the coal gas bag body 1, in this process, the full contact between the cleaning brush plate 110 and the inner side wall of the coal gas bag body 1 can be increased, the cleaning effect of the inner side wall of the coal gas bag body 1 can be improved, and the adhesion of dust on the inner side wall of the coal gas bag body 1 can be reduced.

[0031] Further, as shown in Figures 1-6 The side wall of the plug block 17 is fixed with a slide rod 6; the slide rod 6 penetrates through the wall of the support 15 and is in sliding connection with the wall; the end of the slide rod 6 is fixed with a pull ring 61; in use, the pull ring 61 is hooked by the fingers and pulled, and the slide rod 6 can drive the plug block 17 to move, in this process, the anti-falling effect of the plug block 17 when pulled can be achieved, the convenience of the operation of the plug block 17 can be improved, and the situation of sliding off when pulled can be reduced.

[0032] Working principle: in use, first, the impeller 19 and the cleaning brush plate 110 are placed into the gas cloth bag body 1, then the plug 17 is pulled, after being pulled, the fixed block 13 is inserted into the sliding rail 12, the insertion slot 14 corresponds to the position of the plug 17, then the plug 17 is loosened, the plug 17 is pushed into the insertion slot 14 by the elasticity of the first spring 16, the fixed block 13 is fixed, the installation and fixation of the impeller 19 are completed, then when the gas is blown into the gas cloth bag body 1 for dust removal, the impeller 19 is driven to rotate by the impact of the airflow, so that the cleaning brush plate 110 rotates on the inner side wall of the gas cloth bag body 1, and the inner side wall of the gas cloth bag body 1 is cleaned, meanwhile, the cleaning brush plate 110 is fixedly connected to the plurality of bristles on the side wall of the cleaning brush plate 110 through the connecting rod 111 during cleaning, so that the plurality of bristles are concentrated together during cleaning, and the cleaning effect is improved, during use, the supporting rod 23 will impact the wall body of the protruding block 2 during the rotation of the cleaning brush plate 110, so that the elastic rod 21 drives the counterweight ball 22 to swing, the counterweight ball 22 will impact the wall body of the first elastic sheet 24 during the swinging, so that the first elastic sheet 24 is shaken and vibrated, and the dust attached to the surface of the cleaning brush plate 110 is shaken off through the vibration effect, during use, when the plug 17 is inserted into the insertion slot 14, the plug 17 will extrude the rubber strip 32 and separate the elastic plate 31, when the clamping groove 3 moves to the position corresponding to the rubber strip 32, the rubber strip 32 is inserted into the side wall of the clamping groove 3 through the elasticity of the elastic plate 31, at this time, a certain friction force is generated through the contact between the rubber strip 32 and the clamping groove 3, during use, the cleaning brush plate 110 is held and attached to the side wall of the mounting plate 4, the insertion rod 42 is inserted into the through hole 41, the second elastic sheet 43 is pressed to move close to the insertion rod 42, when the second elastic sheet 43 passes through the through hole 41, the second elastic sheet 43 is quickly reset and abuts against the side wall of the mounting plate 4 through the elasticity, so that the cleaning brush plate 110 is fixed, during use, when the cleaning brush plate 110 is cleaned, the second spring 51 will apply a certain counterforce to the mounting plate 4, and the telescopic rod 5 can maintain the horizontal movement of the mounting plate 4, at this time, the cleaning brush plate 110 can fully contact the inner side wall of the gas cloth bag body 1, during use, the fingers hook the pull ring 61 and pull, and the plug 17 is moved through the slide rod 6.

[0033] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A coal gas cloth bag dust removal blowback structure, comprising a coal gas cloth bag body (1); a blowpipe (11) is installed on the inner side wall of the coal gas cloth bag body (1); characterized in that: The inside wall of the blowing pipe (11) is fixed with a pair of slide rails (12); the slide rails (12) are symmetrically arranged on both sides of the coal gas cloth bag body (1) and are the same in structure; the inside wall of the slide rail (12) is slidingly connected with a fixed block (13); the side wall of the fixed block (13) is provided with a slot (14); the side wall of the slide rail (12) is fixed with a support (15); the side wall of the support (15) is fixed with a first spring (16); the end of the first spring (16) is fixed with a plug block (17); the side wall of the fixed block (13) is fixed with a same fixed frame (18); the side wall of the fixed frame (18) is rotatably connected with an impeller (19); the side wall of the impeller (19) is provided with a pair of cleaning brush plates (110); the cleaning brush plates (110) are symmetrically arranged on both sides of the impeller (19) and are the same in structure; the side wall of the cleaning brush plate (110) is fixed with a connecting rod (111).

2. The coal gas cloth bag dust removal blowback structure according to claim 1, characterized in that: The side wall of the slide rail (12) is fixed with a protruding block (2); the side wall of the cleaning brush plate (110) is fixed with an elastic rod (21); the end of the elastic rod (21) is fixed with a counterweight ball (22); the side wall of the counterweight ball (22) is fixed with a supporting rod (23); the side wall of the cleaning brush plate (110) is symmetrically fixed with a pair of first elastic sheets (24).

3. The coal gas cloth bag dust removal blowback structure according to claim 1, characterized in that: The side wall of the plug block (17) is uniformly provided with a plurality of clamping grooves (3); the side wall of the slot (14) is fixed with a plurality of elastic plates (31); the elastic plates (31) are uniformly distributed on the side wall of the slot (14) and are the same in structure; the side wall of the elastic plate (31) is fixed with a rubber strip (32).

4. The coal gas cloth bag dust removal blowback structure according to claim 1, characterized in that: The side wall of the impeller (19) is provided with a pair of mounting plates (4); the mounting plates (4) are symmetrically arranged on both sides of the impeller (19) and are the same in structure; the side wall of the mounting plate (4) is symmetrically provided with a pair of through holes (41); the side wall of the cleaning brush plate (110) is fixed with a pair of plug rods (42); the plug rods (42) are symmetrically arranged on both sides of the cleaning brush plate (110) and are the same in structure; the plug rod (42) and the through hole (41) are in sliding fit; the side wall of the plug rod (42) is uniformly fixed with a plurality of second elastic sheets (43).

5. The coal gas cloth bag dust removal blowback structure according to claim 4, characterized in that: The side wall of the impeller (19) is fixed with a pair of telescopic rods (5); the telescopic rods (5) are symmetrically arranged on both sides of the impeller (19) and are the same in structure; the outer side of the telescopic rod (5) is sleeved with a second spring (51); the telescopic rod (5), the second spring (51) and the mounting plate (4) are in fixed connection.

6. The coal gas cloth bag dust removal blowback structure according to claim 1, characterized in that: The side wall of the plug block (17) is fixed with a slide rod (6); the slide rod (6) penetrates through the wall of the support (15) and is slidingly connected therewith; the end of the slide rod (6) is fixed with a pull ring (61).