A bag filter dust collector for industrial waste gas treatment

Abstract

This utility model relates to the field of industrial waste gas treatment technology, specifically a bag filter dust collector device for industrial waste gas treatment. It includes a dust collection box with an inlet pipe and an outlet pipe. Several sets of filter bags are installed inside the dust collection box via an assembly plate. A pulse device is installed on the side wall of the dust collection box. Through the connection design between the expansion pipe and the pulse valve pipe output port in the auxiliary structure, the nozzle diameter is effectively increased, significantly improving the flow rate of compressed air entering the filter bags. Compared to traditional fixed-size output ports, this structure avoids the problem of localized dust residue caused by uneven airflow, achieving efficient dust removal across the entire surface of the filter bags. Simultaneously, the filter plates and through-cavity structure on the partition plate can perform secondary filtration of the pulsed airflow, intercepting residual dust and further improving the waste gas purification effect, ensuring the cleanliness of the gas discharged from the outlet pipe.

Description

Technical Field

[0001] This utility model relates to the field of industrial waste gas treatment technology, specifically to a bag filter dust collector device for industrial waste gas treatment. Background Technology

[0002] Industrial production processes generate a large amount of waste gas containing dust particles. Baghouse dust collectors, as a commonly used dust removal device, use filter bags to intercept and filter dust, thereby purifying the waste gas.

[0003] Currently, existing baghouse dust collectors typically use filter bags inside the dust collection chamber to filter dust from the exhaust gas. To remove dust adhering to the surface of the filter bags and ensure their filtration efficiency, a pulse jet device is usually installed. Compressed air is injected into the filter bags through a pulse valve tube, causing the bags to expand and contract momentarily, shaking off the surface dust. However, the output port size of existing pulse valve tubes is relatively fixed. When compressed air is injected, the small output port results in uneven airflow distribution when the compressed air enters the filter bags, making it difficult to effectively remove dust in some areas and affecting dust removal efficiency. Therefore, this utility model proposes a baghouse dust collector device for industrial exhaust gas treatment to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a bag filter dust collector for industrial waste gas treatment, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a bag filter dust collector for industrial waste gas treatment, comprising a dust collection box, an inlet pipe and an outlet pipe on the dust collection box, and a plurality of filter bags installed inside the dust collection box, the plurality of filter bags being installed inside the dust collection box by an assembly plate;

[0006] The dust collector is equipped with a pulse device on its side wall. The output end of the pulse device is connected to multiple sets of pulse valve tubes. The multiple sets of pulse valve tubes are installed horizontally inside the dust collector, and several sets of output ports on each set of pulse valve tubes are sequentially facing the filter bag port.

[0007] The assembly plate is provided with an auxiliary structure, which includes a partition plate. A spring block is provided below the partition plate. The partition plate is mounted on the assembly plate via the spring block. The partition plate is provided with multiple sets of expansion tubes. When the partition plate is mounted on the assembly plate via the spring block, the output port of the pulse valve tube is connected to the expansion tube on the partition plate, and the spring block is compressed at this time.

[0008] The expansion tube is adapted to the diameter of the cloth bag.

[0009] Preferably, the partition plate is further provided with multiple sets of passage cavities, and filter plates are provided on the multiple sets of passage cavities.

[0010] Preferably, the multiple sets of passage cavities on the partition are provided with slot structures at both ends, and each set of filter plates is installed in the slot structure on the partition in a snap-fit ​​manner.

[0011] Preferably, each set of filter plates has auxiliary handles protruding from both ends.

[0012] Preferably, the assembly plate is provided with positioning plates at both ends, and the assembly plate and the filter bag are installed inside the dust collection box through the cooperation of the positioning plates and bolts.

[0013] Preferably, a mounting plate is provided on one side of the dust collection box, and the mounting plate is engaged with a groove formed on the side wall of the dust collection box.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] (1) By connecting the expansion pipe and the pulse valve pipe output port in the auxiliary structure, the nozzle diameter is effectively increased, which significantly increases the flow rate of compressed air when it enters the filter bag. Compared with the traditional fixed-size output port, this structure can avoid the problem of local dust residue caused by uneven airflow, and achieve efficient dust removal of the entire surface of the filter bag. At the same time, the filter plate and cavity structure set on the partition can perform secondary filtration of the jet airflow, intercept residual dust, further improve the exhaust gas purification effect, and ensure the cleanliness of the gas discharged from the outlet pipe.

[0016] (2) By adopting multiple quick-release structural designs, the filter plates can be quickly disassembled and installed through the slot structure and auxiliary handle, which is convenient for regular cleaning or replacement and effectively solves the problem of traditional filter plates being difficult to disassemble. The snap-fit ​​mounting plate on the side wall of the dust collector can quickly open the box and provide a convenient maintenance channel for the internal filter bags, pulse valve pipes and other core components. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the internal structure of the dust collector box of this utility model.

[0019] Figure 3 This is a schematic diagram of the bag installation structure of this utility model.

[0020] Figure 4 This is an overall view of the auxiliary structure of this utility model.

[0021] In the diagram: 1. Dust collector box; 11. Mounting plate; 111. Groove; 2. Inlet pipe; 3. Outlet pipe; 4. Filter bag; 41. Assembly plate; 411. Positioning plate; 5. Pulse device; 51. Pulse valve pipe; 52. Output port; 6. Auxiliary structure; 61. Partition plate; 62. Spring block; 63. Expanding pipe; 64. Through cavity; 641. Slot structure; 65. Filter plate; 66. Auxiliary handle. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1 to 4 This utility model provides a technical solution: a bag filter dust collector device for industrial waste gas treatment, including a dust collection box 1, an inlet pipe 2 and an outlet pipe 3 on the dust collection box 1, a plurality of sets of filter bags 4 installed inside the dust collection box 1, the plurality of sets of filter bags 4 being installed inside the dust collection box 1 via an assembly plate 41, a pulse device 5 being provided on the side wall of the dust collection box 1, the output end of the pulse device 5 being connected to a plurality of sets of pulse valve pipes 51, the plurality of sets of pulse valve pipes 51 being horizontally installed inside the dust collection box 1, and a plurality of output ports 52 on each set of pulse valve pipes 51 being sequentially aligned with the ends of the filter bags 4. The assembly plate 41 is provided with an auxiliary structure 6, which includes a partition 61. A spring block 62 is provided below the partition 61. The spring block 62 is provided with a screw hole at a position corresponding to the assembly plate 41. The partition 61 is mounted on the assembly plate 41 through the spring block 62. The partition 61 is provided with multiple sets of expansion tubes 63. When the partition 61 is mounted on the assembly plate 41 through the spring block 62, the output port 52 of the pulse valve tube 51 is connected to the expansion tube 63 on the partition 61. At this time, the output port 52 is inserted into the expansion tube 63, and the spring block 62 is compressed.

[0024] By connecting the expansion pipe 63 in the auxiliary structure 6 to the output port 52 of the pulse valve pipe 51, the nozzle diameter is effectively increased, significantly improving the flow rate of compressed air entering the filter bag 4. Compared to the traditional fixed-size output port 52, this structure avoids the problem of local dust residue caused by uneven airflow, achieving efficient dust removal across the entire surface of the filter bag 4. Simultaneously, the filter plate 65 and the through-cavity 64 structure on the partition 61 can perform secondary filtration of the jet airflow, intercepting residual dust and further improving the exhaust gas purification effect, ensuring the cleanliness of the gas discharged from the outlet pipe 3.

[0025] Please see Figures 1 to 4The partition 61 is also provided with multiple sets of passage cavities 64, and the multiple sets of passage cavities 64 are also provided with filter plates 65. The combination of passage cavities 64 and filter plates 65 adds a layer of filtration barrier, so that the exhaust gas is more fully purified after passing through the filter bag 4, thereby improving the purification efficiency of the entire dust removal device for industrial exhaust gas and ensuring that the gas discharged from the outlet pipe 3 reaches a higher cleanliness standard.

[0026] Please see Figures 1 to 4 The partition plate 61 has multiple sets of through cavities 64 with slot structures 641 at both ends. Each set of filter plates 65 is installed in the slot structure 641 on the partition plate 61 by snapping. Each set of filter plates 65 has auxiliary handles 66 protruding from both ends. When the filter plates 65 need to be cleaned or replaced after a period of use, the operator can use the auxiliary handles 66 protruding from both ends of the filter plates 65 to remove the filter plates 65 from the slot structure 641 on the partition plate 61 for cleaning or replacement.

[0027] Please see Figures 1 to 4 The assembly plate 41 has positioning plates 411 at both ends. The assembly plate 41 and the filter bag 4 are installed inside the dust collector 1 through the cooperation of the positioning plates 411 and bolts. The dust collector 1 has an mounting plate 11 on one side. The mounting plate 11 is engaged in the groove 111 formed on the side wall of the dust collector 1. If it is necessary to repair the filter bag 4, pulse valve pipe 51 and other components inside the dust collector 1, the mounting plate 11 engaged in the groove 111 on the side wall of the dust collector 1 can be opened. The filter bag 4 and other components can be disassembled and repaired through the cooperation of the positioning plates 411 at both ends of the assembly plate 41 and bolts.

[0028] During operation, industrial waste gas enters the dust collector 1 through the inlet pipe 2. The waste gas then enters from the bottom of the filter bag 4 upwards through the inlet pipe 2. The filter bag 4 effectively filters the fine dust particles in the waste gas, allowing clean gas to pass through. Heavier particles fall to the bottom of the filter bag 4 due to their weight. The gas then passes through the filter plate 65 on the partition 61 for secondary interception. The intercepted gas is discharged through the outlet pipe 3, completing the waste gas purification process. When the dust adhering to the surface of the filter bag 4 reaches a certain amount, affecting the filtration efficiency, the system is activated. The pulse device 5 outputs compressed air through multiple sets of pulse valve pipes 51. The pulse device 5 is a mature technology in the field and will not be described in detail here. Since the partition 61 is mounted on the assembly plate 41 through the spring block 62, and the output port 52 of the pulse valve pipe 51 is connected to the expansion pipe 63 on the partition 61, the spring block 62 is in a compressed state. Furthermore, the expansion pipe 63 is adapted to the diameter of the filter bag 4. The compressed air enters the filter bag 4 through the expansion pipe 63, causing the filter bag 4 to expand and contract instantly, shaking off the dust attached to the surface and realizing the dust removal operation.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A baghouse dust collector device for treating industrial waste gas, comprising a dust collection box (1), wherein the dust collection box (1) is provided with an inlet pipe (2) and an outlet pipe (3), and a plurality of sets of filter bags (4) are installed inside the dust collection box (1), wherein the plurality of sets of filter bags (4) are installed inside the dust collection box (1) by means of an assembly plate (41), characterized in that: The dust collector (1) is provided with a pulse device (5) on its side wall. The output end of the pulse device (5) is connected to multiple sets of pulse valve tubes (51). The multiple sets of pulse valve tubes (51) are installed horizontally inside the dust collector (1), and several sets of output ports (52) on each set of pulse valve tubes (51) are sequentially facing the port of the filter bag (4). The assembly plate (41) is provided with an auxiliary structure (6), the auxiliary structure (6) includes a partition (61), a spring block (62) is provided below the partition (61), the partition (61) is mounted on the assembly plate (41) through the spring block (62), the partition (61) is provided with multiple sets of expansion pipes (63), when the partition (61) is mounted on the assembly plate (41) through the spring block (62), the output port (52) of the pulse valve pipe (51) is connected to the expansion pipe (63) on the partition (61), at this time the spring block (62) is compressed; The diameter of the expansion tube (63) is matched with that of the cloth bag (4).

2. A baghouse apparatus for industrial exhaust gas treatment according to claim 1, characterized in that: The partition (61) is also provided with multiple sets of passage cavities (64), and the multiple sets of passage cavities (64) are also provided with filter plates (65).

3. An industrial waste gas treatment bag filter apparatus according to claim 2, characterized in that: The multiple sets of through cavities (64) on the partition plate (61) are provided with slot structures (641) at both ends, and each set of filter plates (65) is installed in the slot structure (641) on the partition plate (61) by a snap-fit ​​method.

4. A baghouse apparatus for industrial exhaust gas treatment according to claim 3, characterized in that: Each set of filter plates (65) has auxiliary handles (66) protruding from both ends.

5. The baghouse apparatus for industrial exhaust treatment of claim 1, wherein: The assembly plate (41) has positioning plates (411) at both ends. The assembly plate (41) and the cloth bag (4) are installed inside the dust collector (1) through the cooperation of the positioning plates (411) and bolts.

6. An industrial exhaust gas treatment baghouse apparatus as defined in claim 1, wherein: The dust collector (1) is provided with an installation plate (11) on one side, and the installation plate (11) is engaged in the groove (111) formed on the side wall of the dust collector (1).

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