CN217139629U - A high-efficiency pleated filter bag - Google Patents

Abstract

The utility model discloses a high-efficient fold filter bag, comprises a bag bod, the bag body includes the closing cap, go out dirt mouth and lateral wall, the top of the bag body is provided with the closing cap, the both sides of the bag body are provided with the lateral wall, the top of lateral wall is provided with the air inlet, the multiunit breather pipe has been seted up on the lateral wall, the breather pipe is connected with the connecting strip, and the connecting strip is parallel structure with the lateral wall, breather pipe through connection strip and venthole fixed connection, the middle part below of closing cap is provided with the connecting rod, the both sides of connecting rod are provided with the filter cloth, the bottom of the bag body is provided with out the dirt mouth, and the position of going out the dirt mouth is located the connecting rod under. The sealing cover is adopted, the annular supporting piece is used on the sealing cover, the circular periphery of the sealing cover is effectively supported, the original shape of the filter bag is kept, the service life of the filter bag is longer, the filter cloth below is conveniently taken out integrally, the filter bag is cleaned, the dust outlet is adopted, the dust is prevented from blocking the dust outlet through the movement of the movable plates on the two sides of the dust outlet, and the dust outlet efficiency is improved.

Description

A high-efficiency pleated filter bag

technical field

The utility model relates to the technical field of filter bags, in particular to a high-efficiency pleated filter bag.

Background technique

The pleated filter bags are mostly composed of a filter bag body with a pleated body and an annular band, and the edges of the pleated body are respectively fixed on the annular band, so that the pleated body is fixed by the annular band. The pleated filter bag effectively increases the filtering area through the arrangement of the pleated body on the filter bag body, thereby effectively improving the filtering effect and the filtering efficiency.

The existing pleated filter bags can only collect the flue gas unilaterally, and the filtration efficiency is low, and the dust removal is not convenient enough. Therefore, there is a need for a high-efficiency pleated filter bag.

Utility model content

The purpose of the present invention is to provide a high-efficiency pleated filter bag, so as to solve the problems of the existing pleated filter bag in the above-mentioned background technology, which often can only collect the flue gas unilaterally, and the filtering efficiency is low, and the dust discharge is not convenient enough. .

In order to achieve the above purpose, the utility model provides the following technical solutions: a high-efficiency pleated filter bag, including a bag body, the bag body includes a cover, a dust outlet and a side wall, and the top of the bag body is provided with a seal. Cover, both sides of the bag body are provided with side walls, the top of the side walls is provided with an air inlet, and a plurality of groups of ventilation pipes are provided on the side walls, and the ventilation pipes are connected with the connecting strip. The connecting bar and the side wall are in a parallel structure, the ventilation pipe is fixedly connected to the air outlet through the connecting bar, a connecting rod is arranged under the middle part of the cover, and the two sides of the connecting rod are A filter cloth is provided, the bottom of the bag body is provided with a dust outlet, and the position of the dust outlet is located just below the connecting rod.

Preferably, the cover has a circular structure, the edge of the cover is provided with an annular support member, the middle of the cover is provided with a central area, the central area is of a circular structure, and the A first support spring is arranged between the central area of the clasp and the annular support.

Preferably, the filter cloth is divided into two layers, the upper layer of the filter cloth is provided with a base cloth layer, the lower layer of the filter cloth is provided with a pleated cloth layer, and one side of the pleated cloth layer is provided with A connecting piece is connected with the connecting rod through a snap-fit structure, and the other side of the pleated cloth layer is in contact with the side wall of the bag body.

Preferably, the dust outlet includes a moving plate, the moving plate is fixedly connected with the second support spring, and the moving plate moves horizontally at the dust outlet through the second support spring.

Preferably, the fixing block and the side wall of the bag body are attached together.

Compared with the prior art, the beneficial effect of the present utility model is: the high-efficiency pleated filter bag is made of glass fiber and polyacrylonitrile fiber as the base cloth layer, which effectively improves the wear resistance and resistance of the filter cloth. High temperature resistance, multiple sets of filter cloths are used to achieve comprehensive filtration of the flue gas entering the filter bag, and the filtered gas can be discharged through the air outlet in time. The circular periphery of the cover is supported to maintain the original shape of the filter bag, so that the service life of the filter bag is longer, and it is convenient to pull out the filter cloth below as a whole to clean the filter bag. The movement of the moving plates on both sides of the mouth avoids the clogging of the dust outlet by dust and improves the dust extraction efficiency.

Description of drawings

Fig. 1 is the front sectional structure schematic diagram of the utility model;

Fig. 2 is the top-view structural schematic diagram of the cover of the present invention;

Fig. 3 is the structural enlarged schematic diagram of the utility model A;

Figure 4 is an enlarged schematic view of the filter cloth of the present invention.

In the figure: 1, bag body; 2, cover; 201, annular support; 202, first support spring; 203, central area; 3, connecting rod; 4, air inlet; 5, dust outlet; 501, moving plate; 502, second support spring; 6, side wall; 7, ventilation pipe; 8, connecting strip; 9, filter cloth; 901, fixing block; 902, pleated cloth layer; 903, base cloth layer; 904, connection 10. Air outlet.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present utility model provides a technical solution: a high-efficiency pleated filter bag, including a bag body 1, the bag body 1 includes a cover 2, a dust outlet 5 and a side wall 6, and the top of the bag body 1 A cover 2 is provided. The cover 2 is used to support the bag body 1 and maintain the shape of the bag body 1. Both sides of the bag body 1 are provided with side walls 6. The side walls 6 discharge the filtered gas, and the side walls 6 The uppermost part is provided with the air inlet 4, the side wall 6 is provided with a plurality of groups of ventilation pipes 7, the ventilation pipes 7 are connected with the connecting bar 8, the connecting bar 8 is used for fixing the ventilation pipe 7, and the connecting bar 8 and the side wall 6 are Parallel structure, the ventilation pipe 7 is fixedly connected to the air outlet 10 through the connecting bar 8, a connecting rod 3 is arranged under the middle part of the cover 2, the connecting rod 3 is used to install the filter cloth 9, and the two sides of the connecting rod 3 are provided with a filter cloth 9 The filter cloth 9 filters the flue gas, the bottom of the bag body 1 is provided with a dust outlet 5, the dust outlet 5 discharges the filtered smoke, and the position of the dust outlet 5 is located directly below the connecting rod 3.

Further, the cover 2 has a circular structure, the edge of the cover 2 is provided with an annular support 201, the middle of the cover 2 is provided with a central area 203, the central area 203 is a circular structure, and the central area 203 is connected to the annular support A first support spring 202 is arranged between the parts 201, and the annular support 201 and the first support spring 202 support the edge of the cover 2 and keep the shape of the filter bag stable at high temperatures.

Further, the filter cloth 9 is divided into two layers, the upper layer of the filter cloth 9 is provided with a base cloth layer 903, the base cloth layer 903 improves the strength of the entire filter cloth 9, and the lower layer of the filter cloth 9 is provided with a pleated cloth layer 902, pleated The cloth layer 902 performs filtration. One side of the pleated cloth layer 902 is provided with a connecting piece 904 , which is connected with the connecting rod 3 through a snap structure, and the other side of the pleated cloth layer 902 is in contact with the side wall 6 of the bag body 1 .

Further, the dust outlet 5 includes a moving plate 501 , the moving plate 501 is fixedly connected with the second support spring 502 , and the moving plate 501 moves horizontally at the dust outlet 5 through the second support spring 502 .

Further, the fixing block 901 is attached to the side wall 6 of the bag body 1 .

Working principle: As shown in Figure 1-4, when using this high-efficiency pleated filter bag, the flue gas enters through the air inlet 4, and the flue gas entering the filter bag is fully filtered, and the filtered gas can pass through the air outlet in time. 10 discharge, using the cover 2, the cover 2 uses an annular support 201, effectively supporting the circular periphery of the cover 2, maintaining the original shape of the filter bag, making the filter bag longer service life, and convenient The filter cloth 9 below is pulled out as a whole, the filter bag is cleaned, and the dust outlet 5 is used to pass the movement of the moving plate 501 on both sides of the dust outlet 5. When the dust blocks the dust outlet 5, the moving plate 501 moves horizontally. move, so as to improve the dust extraction efficiency.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a high-efficient fold filter bag, includes bag body (1), its characterized in that: the bag body (1) comprises a sealing cover (2), a dust outlet (5) and a side wall (6), the top of the bag body (1) is provided with a sealing cover (2), the two sides of the bag body (1) are provided with side walls (6), the uppermost part of the side wall (6) is provided with an air inlet (4), the side wall (6) is provided with a plurality of groups of vent pipes (7), the vent pipes (7) are connected with a connecting strip (8), the connecting strip (8) and the side wall (6) are in parallel structure, the vent pipe (7) penetrates through the connecting strip (8) and is fixedly connected with the air outlet (10), a connecting rod (3) is arranged below the middle part of the sealing cover (2), filter cloth (9) is arranged on two sides of the connecting rod (3), a dust outlet (5) is arranged at the bottom of the bag body (1), and the position of the dust outlet (5) is positioned right below the connecting rod (3).

2. A high efficiency pleated filter bag according to claim 1 wherein: the sealing cover (2) is of a circular structure, an annular supporting piece (201) is arranged on the edge of the sealing cover (2), a central area (203) is arranged in the middle of the sealing cover (2), the central area (203) is of a circular structure, and a first supporting spring (202) is arranged between the central area (203) and the annular supporting piece (201).

3. A high efficiency pleated filter bag according to claim 2 wherein: filter cloth (9) divide into two-layerly, the upper strata of filter cloth (9) be provided with base cloth layer (903), the lower floor of filter cloth (9) be provided with fold cloth layer (902), one side of fold cloth layer (902) be provided with connecting piece (904), connecting piece (904) pass through block structural connection with connecting rod (3), the opposite side and the bag body (1) lateral wall (6) contact of fold cloth layer (902).

4. A high efficiency pleated filter bag according to claim 3 wherein: the dust outlet (5) comprises a movable plate (501), the movable plate (501) is fixedly connected with a second supporting spring (502), and the movable plate (501) horizontally moves at the dust outlet (5) through the second supporting spring (502).

5. A high efficiency pleated filter bag according to claim 4, characterized in that: the fixing block (901) is attached to the side wall (6) of the bag body (1).

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