CN204582798U - A kind of pulse backblowing bag-type dust apparatus - Google Patents

Abstract

The utility model discloses a pulse reverse blowing cloth bag dust collector device, which comprises a clean flue gas outlet, a flue gas overturn valve, a pulse valve, a blowing pipe, a grille plate, a box body, a cloth bag, an ash hopper, an ash unloading system and a dust collecting system. Smoke inlet; the grille is arranged at the upper end of the box; the cloth bag is arranged in the box and below the grille; the ash hopper is arranged under the box and communicates with the box; There is an airflow distribution plate between the boxes; the pulse blowback bag filter device is equipped with an airflow distribution plate, which can evenly distribute the intake air into the box, avoid bag swing caused by uneven air volume distribution, and prolong the service life of the bag.

Description

A pulse back blowing bag filter device

technical field

The utility model relates to a dust collector device, in particular to a pulse blowback bag dust collector device.

Background technique

Pulse back-blowing bag filter is widely used in various polluting industries. From the actual use situation, the current pulse back-blowing bag filter on the market has the following problems: 1: Dust-laden flue gas enters from the ash hopper to each part of the dust collector In the room, there is uneven distribution of air volume, which causes the bag to swing indoors and damage the bag; 2: It is inconvenient to check and repair the bag, and it needs to be entered from the ash bucket manhole and then set up a springboard.

Utility model content

The purpose of this utility model is to provide a pulse back-blowing bag filter device to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A pulse reverse blowing bag filter device, including a clean flue gas outlet, a flue gas overturn valve, a pulse valve, a blowing pipe, a grille, a box body, a cloth bag, an ash hopper, an ash unloading system and a dusty flue gas inlet; The grille is arranged at the upper end of the box; the cloth bag is arranged in the box and is located under the grille; the ash bucket is arranged under the box and communicated with the box; With air distribution plate.

As a further solution of the utility model: the net flue gas outlet is arranged at the upper end of the box body, the flue gas turning valve is set in the net flue gas outlet, and the turning valve cylinder for driving the flue gas turning valve is also arranged on the top of the box body; The pulse valve is arranged on the top of the box body, the spray pipe is arranged at the upper end inside the box body, and is located above the grate plate, and one end of the blow pipe goes out of the box body and is connected to the pulse valve.

As a further solution of the utility model: the air flow distribution plate is composed of a left side plate, a middle plate and a right side plate, the left side plate, the middle plate and the right side plate are of an integrated structure, and a plurality of passages are opened on it. hole.

As a further solution of the present invention: the diameter of the through hole offered on the left side plate is 50mm, the diameter of the through hole offered on the middle plate is 70mm, and the diameter of the through hole offered on the right side plate is 100mm.

As a further solution of the utility model: there is a gap between the air distribution plate and the bottom of the bag, and an inspection door corresponding to the position of the gap is provided on the side of the box.

As a further solution of the utility model: the distance between the bottom of the bag and the air distribution plate is 1.5m.

As a further solution of the utility model: the ash unloading system is arranged at the bottom of the ash hopper, and the dust-laden flue gas inlet is arranged at the side of the ash hopper.

Compared with the prior art, the beneficial effects of the utility model are: 1. The pulse blowback bag filter device is equipped with an air distribution plate, which can evenly distribute the intake air into the box, and avoid bag swing caused by uneven air volume distribution. , to extend the service life of the bag; 2. The pulse blowback bag filter device is equipped with an air distribution plate, and there is a gap between the air distribution plate and the bottom of the bag, and an inspection door corresponding to the position of the gap is added on the side of the box. When carrying out maintenance of the cloth bag, the inspection door can be conveniently carried out, and there is no need to set up a springboard after entering from the ash hopper manhole, which is convenient for maintenance and reduces the difficulty of maintenance.

Description of drawings

Figure 1 is a schematic structural diagram of a pulse backflush bag filter device.

Figure 2 is a schematic diagram of the structure of the airflow distribution plate in the pulse blowback bag filter device.

In the figure: 1-clean flue gas outlet, 2-flue gas overturn valve, 3-overturn valve cylinder, 4-steam drum, 5-pulse valve, 6-injection pipe, 7-grid plate, 8-cabinet, 9 -cloth bag, 10-air distribution plate, 11-inspection door, 12-ash hopper, 13-ash unloading system, 14-dusty flue gas inlet, 15-left side plate, 16-middle part plate, 17-right side plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-2. In the embodiment of the utility model, a pulse blowback bag filter device includes a clean flue gas outlet 1, a flue gas turnover valve 2, a pulse valve 5, a blowing pipe 6, a grille plate 7, Box 8, cloth bag 9, ash hopper 12, ash unloading system 13 and dusty flue gas inlet 14; the clean flue gas outlet 1 is set at the upper end of the box body 8, and the flue gas turning valve 2 is set in the clean flue gas outlet 1 , the top of the box body 8 is also provided with a tumble valve cylinder 3 that drives the flue gas tumble valve 2, and the tumble valve cylinder 3 drives the flue gas tumble valve 2 to open and close, thereby completing the opening and closing of the clean flue gas outlet 1, and the dust is removed by the dust collector device The final clean flue gas is discharged from the clean flue gas outlet 1; the pulse valve 5 is arranged at the top of the box body 8, the grating plate 7 is arranged at the upper end of the box body 8, and the blowing pipe 6 is arranged at the inner upper end of the box body 8, and Located above the grate plate 7, one end of the spray pipe 6 passes through the box body 8 and is connected to the pulse valve 5, and the pulse valve 5 is used to make the spray pipe 6 perform pulse-shaped blowing; the cloth bag 9 is set in the box body 8 , and located below the grating 7, the ash hopper 12 is set under the box body 8, and communicates with the box body 8, and an air distribution plate 10 is arranged between the ash hopper 12 and the box body 8, and the air flow distribution plate 10 can dissipate the incoming air Distribute evenly into the box body 8, avoid bag swing caused by uneven air volume distribution, and prolong the service life of the bag. Plate 16 and right side plate 17 are integral structure, and all offer a plurality of through holes on it, preferably, the diameter of the through hole that offers on the left side plate 15 is 50mm, and the diameter of the through hole that offers on the middle plate 16 is 70mm, The diameter of the through hole provided on the right side plate 17 is 100 mm, there is a gap between the air distribution plate 10 and the bottom of the bag 9, and the side of the box body 8 is provided with an inspection door 11 corresponding to the position of the gap, and the bag 9 needs to be inspected. During maintenance, the inspection door 11 can be used to inspect and repair the bag 9 conveniently. It is not necessary to take a springboard after entering the ash hopper manhole, which is convenient for maintenance. At this time, the airflow distribution plate 10 is used as a platform for inspecting the bag 9, which is convenient for maintenance workers to stand on the airflow Check and repair the cloth bag 9 on the distribution plate 10, preferably, the distance between the bottom of the cloth bag 9 and the air distribution plate 10 is 1.5m; The side of ash hopper 12.

The working principle of the utility model is: in the pulse blowback bag filter device, the dust-laden gas enters the ash hopper 12 from the dust-laden gas inlet 14, and after being evenly distributed by the air distribution plate 10, it enters the box body 8 and is discharged in the box body. During the flow in the body 8, the dusty flue gas passes through the cloth bag 9, the dust in the dusty flue gas is filtered by the cloth bag 9, and the purified flue gas is discharged from the clean flue gas outlet 1. When it is necessary to unload the dust, it passes through the pulse valve 5. Make the blowing pipe 6 perform pulse-shaped blowing, blow the dust in the bag 9 down to the ash hopper 12, and discharge it through the ash unloading system 13; when the bag 9 needs to be repaired, the maintenance personnel enter the box from the inspection door 11 8, stand on the air flow distribution plate 10, and the cloth bag 9 is overhauled.

The pulse blowback bag filter device is equipped with an air distribution plate, which can evenly distribute the intake air into the box body 8, avoid the swing of the bag caused by uneven air volume distribution, and prolong the service life of the bag. In addition, the air distribution plate 10 and the bag 9 There is a gap between the bottoms, and an inspection door 11 corresponding to the position of the gap is added on the side of the box body 8. When it is necessary to overhaul the bag 9, the inspection door 11 can be used to conveniently carry out the inspection of the bag 9 without having to remove the dust from the ash hopper. After the manhole enters, a springboard is set up, which is convenient for maintenance and reduces the difficulty of maintenance.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to be included in the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. a pulse backblowing bag-type dust apparatus, comprises neat stress outlet (1), flue gas roll-over valve (2), pulse valve (5), injection tube (6), lattice board (7), casing (8), cloth bag (9), ash bucket (12), ash discharging system (13) and ash-laden gas entrance (14); Described lattice board (7) is located at casing (8) inner upper end; Described cloth bag (9) is located in casing (8), and be positioned at lattice board (7) below, ash bucket (12) is located at casing (8) below, and is communicated with casing (8), it is characterized in that: be provided with airflow-distribution board (10) between described ash bucket (12) and casing (8).

2. pulse backblowing bag-type dust apparatus according to claim 1, it is characterized in that: described neat stress outlet (1) is located at casing (8) upper end, flue gas roll-over valve (2) is located in neat stress outlet (1), and casing (8) top is also provided with the roll-over valve cylinder (3) driving flue gas roll-over valve (2); Described pulse valve (5) is located at casing (8) top, and injection tube (6) is laid in casing (8) inner upper end, and is positioned at lattice board (7) top, and one end of injection tube (6) passes casing (8), and is connected to pulse valve (5).

3. pulse backblowing bag-type dust apparatus according to claim 1 and 2, it is characterized in that: described airflow-distribution board (10) is made up of left plate (15), central panel (16) and right plate (17), left plate (15), central panel (16) and right plate (17) are integral type structure, and it all offers multiple through hole.

4. pulse backblowing bag-type dust apparatus according to claim 3, it is characterized in that: the through-hole diameter that described left plate (15) is offered is 50mm, the through-hole diameter that central panel (16) is offered is 70mm, and the through-hole diameter that right plate (17) is offered is 100mm.

5. the pulse backblowing bag-type dust apparatus according to claim 1 or 4, it is characterized in that: leave space between described airflow-distribution board (10) and cloth bag (9) bottom, and casing (8) side is provided with the corresponding inspection door of clearance position therewith (11).

6. pulse backblowing bag-type dust apparatus according to claim 5, is characterized in that: the distance between described cloth bag (9) bottom and airflow-distribution board (10) is 1.5m.

7. the pulse backblowing bag-type dust apparatus according to claim 1 or 6, is characterized in that: described ash discharging system (13) is located at ash bucket (12) bottom, and ash-laden gas entrance (14) is located at the side of ash bucket (12).