Bag-type dust collector

Abstract

The utility model relates to the technical field of dust removal, in particular to a bag-type dust remover which comprises a shell, an air outlet is formed in the upper end of the shell, an air inlet is formed in the lower end of the shell, a dust removal bag is arranged above the air inlet in the inner side of the shell, a plurality of flow guide plates are arranged between the air inlet and the dust removal bag, and a plurality of flow guide holes are formed in each flow guide plate. One side of the flow guide plate is rotatably installed on the supporting piece, the supporting piece is fixedly installed on the shell, and the other side of the flow guide plate is a free end. The problems of poor dust removal effect, low dust removal efficiency and shortening of the service life of a filter bag can be solved.

Description

Technical Field

[0001] This utility model relates to the field of dust removal technology, specifically to a bag filter dust collector. Background Technology

[0002] A baghouse dust collector is a dry dust filtration device. It utilizes fiber filter bags to filter dust-laden gas and separate dust particles. When dust-laden gas enters the baghouse dust collector, the dust is intercepted and collected by the filter bags. The cleaning device then activates, using compressed air to create a pulse airflow that peels off the dust layer from the filter bags and causes it to fall into the dust hopper, completing the entire dust collection cycle. However, in existing baghouse dust collectors, dust-laden gas tends to concentrate in certain areas, causing the filter load in those areas to far exceed design standards. Large amounts of dust quickly accumulate on these bags, while the filter load in other areas is too low, resulting in poor dust collection efficiency and a shortened filter bag lifespan. Utility Model Content

[0003] This utility model provides a bag filter dust collector, which can solve the problems of poor dust removal effect, low dust removal efficiency, and shortened service life of filter bags.

[0004] This application provides the following technical solution:

[0005] A bag filter dust collector includes a housing, an air outlet at the upper end of the housing, an air inlet at the lower end of the housing, a dust collector bag above the air inlet on the inner side of the housing, a plurality of guide plates between the air inlet and the dust collector bag, each guide plate having a plurality of guide holes, one side of the guide plate being rotatably mounted on a support member, the support member being fixedly mounted on the housing, and the other side of the guide plate being a free end.

[0006] Beneficial effects: The baffle plate and its multiple guide holes disperse and guide the dust-laden gas entering from the inlet. This prevents dust-laden gas from concentrating in one area, ensuring its even distribution across the filter bags. This allows each filter bag to more stably intercept and collect dust, reducing dust escape caused by excessive local load, thus improving overall dust removal efficiency and extending the service life of the filter bags. The baffle plate also effectively intercepts dust in the gas, reducing dust movement to the filter bags and further extending their lifespan. During the cleaning process, the baffle plate guides falling dust to the cleaning hopper below, ensuring efficient dust concentration and reducing the risk of secondary dust re-entrainment.

[0007] Furthermore, the free end of the guide plate rotates upward and is limited to the support rod or the limiting block, and the free end of the guide plate rotates downward and is limited to the stop rod. The limiting block and the stop rod are fixedly installed on the housing.

[0008] Beneficial effects: Ensures that the guide plate is within the specified angle range, guaranteeing the accuracy and stability of gas flow, and avoiding abnormal gas flow due to excessive upward rotation of the guide plate, which would affect the dust removal effect.

[0009] Furthermore, when the free end of the guide plate is confined to the stop bar, the guide plate is inclined to the horizontal plane.

[0010] Beneficial effects: Effectively guides dust-laden gas to flow in a specific direction, preventing gas from concentrating in certain areas and improving the uniformity of gas distribution.

[0011] Furthermore, the support member adopts a rod-shaped structure or a mesh structure.

[0012] Beneficial effects: It can reduce obstruction to airflow and improve the uniformity of gas distribution.

[0013] Furthermore, the bottom of the housing is provided with a dust removal port, a dust removal valve is provided at the dust removal port, and a dust collection bag is provided below the dust removal valve.

[0014] Beneficial effects: It can effectively control the dust removal process and prevent dust from escaping into the air during the dust removal process.

[0015] Furthermore, an installation plate is provided on the inner side of the housing, and multiple dust collection bags are provided on the installation plate.

[0016] Beneficial effects: The mounting plate provides a stable installation base for the dust collector bags, making the installation of the dust collector bags more convenient. Attached Figure Description

[0017] Figure 1 This is a front view of Embodiment 1 of the bag filter of this utility model.

[0018] Figure 2 This is a cross-sectional view of Embodiment 1 of the bag filter dust collector of this utility model.

[0019] Figure 3 This is a diagram showing the open state of the guide plate in Embodiment 1 of the bag filter of this utility model.

[0020] Figure 4 This is a diagram showing the closed state of the guide plate in Embodiment 1 of the bag filter of this utility model.

[0021] Figure 5 This is a diagram showing the open state of the guide plate in Embodiment 2 of the bag filter of this utility model. Detailed Implementation

[0022] The following detailed description illustrates the specific implementation method:

[0023] The markings in the accompanying drawings include: housing 1, dust removal hopper 101, air inlet 102, air outlet 103, observation window 104, dust removal window 105, dust removal valve 2, dust collection bag 3, support frame 4, mounting plate 5, dust collector bag 6, guide plate 7, guide hole 701, support component 8, limit block 9, and stop bar 10.

[0024] Example 1

[0025] like Figures 1 to 4 As shown, the baghouse dust collector includes a housing 1. The upper part of the housing 1 is a cylindrical structure with an observation window 104. A support frame 4 is located below the cylindrical structure. The lower part of the housing 1 is a conical dust collection hopper 101 with an openable dust collection window 105. An air outlet 103 is located near the top of the cylindrical part of the housing 1. An air inlet 102 is located on the dust collection hopper 101 at the conical bottom of the housing 1. A dust collection port 2 is located at the bottom of the dust collection hopper 101, and a dust collection bag 3 is located below the dust collection valve 2. An installation plate 5 is located below the air outlet 103 on the inner side of the housing 1. One hundred dust collection bags 6 are fixedly installed on the installation plate 5. The 100 dust collection bags 6 are arranged in a matrix. The length of the dust collection bags 6 is 3.6-3.9m, and the dust collection bags 6 are made of filter cloth with a 200-mesh pore size. The dust collector bag 6 is located above the air inlet 102 of the dust removal hopper 101. Multiple guide plates 7 are provided between the air inlet 102 and the dust collector bag 6. Each guide plate 7 has multiple guide holes 701. One side of the guide plate 7 is a hinged end, which is rotatably mounted on a support member 8. The support member 8 has a rod-like structure and is fixed to the inner wall of the housing 1 by welding or bolts. The other side of the guide plate 7 is a free end. The hinged end of the guide plate 7 has a through hole, through which the guide plate 7 is fitted onto the support member 8 with a clearance fit. The free end of the guide plate 7 can rotate upwards and be limited to an adjacent support member 8 or a limiting block 9. The limiting block 9 is fixedly mounted on the side wall of the housing 1. The free end of the guide plate 7 can rotate downwards and be limited to a stop rod 10. The stop rod 10 is fixedly mounted on the housing 1, and its extension direction is perpendicular to the extension direction of the support member 8. When the free end of the guide plate 7 is limited to the stop bar 10, the guide plate 7 is inclined to the horizontal plane, that is, it forms an acute angle with the horizontal plane.

[0026] Specifically, multiple support members 8 are arranged side by side along the horizontal direction, namely the first support member, the second support member, ..., the nth support member, where n is the number of support members. The number of support members is set according to the requirements. The two ends of each support member are fixed to the two opposite side walls of the housing 1, and each support member 8 is provided with a guide plate 7. The first support member is close to the first side wall of the housing 1. There is space between the first guide plate on the first support member and the first side wall for the free end of the guide plate to rotate. The free end of the first guide plate rotates with the first support member as the fulcrum. The free end of the first guide plate is limited to the upward rotation at the limiting block 9 and the downward rotation at the stop bar 10. The free end of the second guide plate on the second support member rotates with the second support member as the fulcrum. The free end of the second guide plate is limited to the upward rotation at the hinge end of the first support member and the first guide plate and the downward rotation at the stop bar 10. The nth support member is close to the second side wall of the housing 1. The hinge end of the nth guide plate on the nth support member is close to the second side wall. The free end of the nth guide plate is limited to the upward rotation at the hinge end of the adjacent support member and the guide plate and the downward rotation at the stop bar 10.

[0027] The operating method is as follows: When the bag filter is not in operation, the free end of the guide plate 7 is limited to the stop bar 10, the guide plate 7 is inclined to the horizontal plane, and the guide plate 7 is in the open state. When the bag filter is working normally, the dust-laden gas enters the inner side of the shell 1 from the inlet 102 and moves upward. The gas concentration area forms a large upward thrust, which can push the free end of the guide plate 7 to rotate upward. The free upward rotation of the guide plate 7 is limited to the hinge end of the adjacent guide plate and the support member, and the guide plate 7 is in the closed state. The gas moves upward through the guide hole 701 of the guide plate 7. In the area where the upward thrust of the gas is smaller, the guide plate 7 is in the open state. The gas moves upward along the guide plate 7, is filtered by the dust collector bag 6, and is discharged from the outlet 103.

[0028] Example 2

[0029] The difference between this embodiment and Embodiment 1 is that, as Figure 5 As shown, the support component 8 adopts a grid structure, and each grid is equipped with a guide plate 7.

[0030] The above are merely embodiments of this utility model, and the utility model is not limited to the field covered by this embodiment. Commonly known structures and characteristics in the solutions are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A baghouse dust collector, comprising a housing, an air outlet at the upper end of the housing, an air inlet at the lower end of the housing, and a dust collector bag disposed above the air inlet on the inner side of the housing, characterized in that, Multiple guide plates are provided between the air inlet and the dust collector bag. Each guide plate has multiple guide holes. One side of the guide plate is rotatably mounted on the support member, which is fixedly mounted on the housing. The other side of the guide plate is a free end.

2. The bag filter according to claim 1, characterized in that: The free end of the guide plate rotates upward and is limited to the support rod or the limiting block, and the free end of the guide plate rotates downward and is limited to the stop rod. The limiting block and the stop rod are fixedly installed on the housing.

3. The bag filter according to claim 2, characterized in that: When the free end of the guide plate is confined to the stop bar, the guide plate is inclined to the horizontal plane.

4. The bag filter according to claim 1, characterized in that: The support component adopts a rod-shaped structure or a grid structure.

5. The bag filter according to claim 1, characterized in that: The bottom of the housing is provided with a dust removal port, a dust removal valve is provided at the dust removal port, and a dust collection bag is provided below the dust removal valve.

6. The bag filter according to claim 1, characterized in that: The inner side of the housing is provided with an installation plate, and the installation plate is provided with multiple dust collection bags.

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