Environment-friendly dust particle absorption equipment

Abstract

The utility model belongs to the technical field of dust removal equipment, and relates to environment-friendly dust particle absorption equipment which comprises a shell, a pattern plate is arranged in the shell, a dust gas inlet is formed in the side wall of the bottom of the shell, a purified gas outlet is formed in the side wall of the top of the shell, a plurality of filter bag frames are mounted on the pattern plate, and a filter bag is sleeved on each filter bag frame; the filter bag frame comprises a plurality of vertical pipes, the plurality of vertical pipes are annularly and uniformly distributed to define a cylindrical frame structure, the side wall of each vertical pipe is provided with a plurality of air injection holes which are distributed at intervals along the axial direction of the vertical pipe, and the air injection holes face the filter bag. The dust particle absorption equipment can be used for filtering dust-containing gas, can perform dust removal on the filter bags through reverse blowing, can inject gas into each vertical pipe of each filter bag frame, and blows the gas out of each gas spraying hole in each vertical pipe, so that the filter bags are expanded and vibrated, and dust particles attached to the outer surfaces of the filter bags can fall off to the inner bottom of the shell; and air can be reversely blown into each section in the filter bag, so that the dust cleaning effect of the whole filter bag is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of dust removal equipment, in particular to an environmental protection dust particle absorption device. Background Art

[0002] Dust particle absorption equipment is a dust removal equipment used to treat dust and particulate matter in air or industrial waste gas to improve air quality, meet waste gas emission standards, and protect the environment. There are many types of dust particle absorption equipment available, among which pulse bag dust collector is an efficient and stable choice among such equipment, and it is widely used in industrial waste gas treatment.

[0003] In the known structure of the existing pulse bag dust collector, the filter bag is sleeved outside the filter bag frame, and the filter bag frame supports the filter bag; during dust removal, the gas in the dust-laden gas enters the filter bag from the outside to the inside, and the dust particles are blocked on the outer surface of the filter bag; during pulse cleaning, the air is blown in the reverse direction, and the clean gas is sprayed into the filter bag from the top, and the filter bag expands and vibrates, so that the dust particles attached to the outer surface fall off into the ash hopper.

[0004] In the known structure of the existing pulse bag dust collector, the blowing pipe and the jet holes opened thereon or the installed nozzles are all located on the top of the filter bag frame. The amount of gas blown into the filter bag through the blowing pipe is limited, and the gas is not easy to reach the inner bottom of the filter bag, causing the expansion and vibration of local positions on the filter bag and poor cleaning effect. Utility Model Content

[0005] The purpose of the utility model is to provide an environmental protection dust particle absorption device, the filter bag frame is made of a hollow pipe, and a plurality of jet holes are opened on it, which can blow air in the opposite direction to each section in the filter bag to improve the cleaning effect of the entire filter bag, so as to solve the problems raised in the above-mentioned background technology.

[0006] The utility model is realized by the following technical solutions:

[0007] An environmental protection dust particle absorption device comprises a shell, a flower plate is arranged inside the shell, the flower plate divides the inside of the shell into an upper chamber and a lower chamber, a bottom side wall of the shell is provided with a dust gas inlet communicating with the lower chamber, a top side wall of the shell is provided with a clean gas outlet communicating with the upper chamber, a plurality of filter bag frames are installed on the flower plate, each filter bag frame is provided with a filter bag, the filter bag frame comprises a plurality of risers, the plurality of risers are evenly distributed in an annular shape to enclose a cylindrical frame structure, the filter bag can be installed outside the cylindrical frame structure, the plurality of risers can prop up the filter bag, the side wall of each riser is provided with a plurality of jet holes distributed at intervals along its axial direction, and the jet holes face the filter bag ; Multiple vertical pipes can prop up the filter bag to form an air flow channel inside it. When filtering dust-containing gas, driven by the fan, the dust-containing gas enters the lower chamber inside the shell through the dust gas inlet, and the gas in the dust-containing gas enters the filter bag from the outside to the inside, and enters the upper chamber through its top, and is then discharged from the clean air outlet. The dust particles are blocked on the outer surface of the filter bag, and some dust particles fall to the bottom of the shell under the action of gravity. During pulse cleaning, air is injected into each vertical pipe, and the gas is blown out from each jet hole, causing the filter bag to expand and vibrate, which is conducive to the dust particles attached to the outer surface of the filter bag falling off to the bottom of the shell. It can blow air in the opposite direction to each section in the filter bag, thereby improving the cleaning effect of the entire filter bag.

[0008] According to further definition, the filter bag frame also includes a T-shaped top plate, an annular tube and a bottom plate; the top of each vertical pipe of the filter bag frame passes through the T-shaped top plate and is fixedly connected to the T-shaped top plate, the top of each vertical pipe is fixedly connected to the annular tube and the interior of the vertical pipe is communicated with the interior of the annular tube, the bottom end of each vertical pipe is fixedly connected to the bottom plate, the bottom plate can block the bottom end outlet of the vertical pipe, each vertical pipe is fixed between the T-shaped top plate and the bottom plate, which can help maintain the stability of the cylindrical frame structure, and the annular tube is provided with an air intake joint communicated with the interior thereof, and air is injected into the annular tube through the air intake joint, and the gas in the annular tube can be diverted to each vertical pipe, and then reverse air blowing and cleaning are carried out through each jet hole.

[0009] According to a further limitation, the T-shaped top plate and the flower plate are detachably connected by bolts, so that the filter bag frame and the filter bag can be easily disassembled and assembled for repair and maintenance.

[0010] According to further definitions, a main pipe is fixedly installed on the inner wall of the upper chamber of the shell, and the side wall of the main pipe is provided with interfaces which are spaced along its axial direction and communicated with its interior, the air inlet joints on each annular pipe are communicated with the interfaces on the main pipe through a connecting pipe, and an air inlet pipe from outside to inside is installed on the side wall of the upper chamber of the shell, the inner end of the air inlet pipe is connected to the main pipe and the interior of the air inlet pipe is communicated with the interior of the main pipe, and the outer end of the air inlet pipe is connected to an external clean air source, which can be injected with air through the air inlet pipe, the main pipe, the connecting pipe, the annular pipe and the riser to reversely blow air to clean the filter bag.

[0011] Further defined, a partition plate is provided inside the shell, the partition plate divides the upper chamber of the shell into a first chamber and a second chamber distributed on the left and right, the partition plate divides the upper part of the lower chamber of the shell into a third chamber and a fourth chamber distributed on the left and right, and a part of the plurality of filter bag frames is located on the left side of the partition plate, and another part is located on the right side of the partition plate;

[0012] There are two clean gas outlets, which are respectively installed on the side wall of the first chamber and the side wall of the second chamber and are communicated with the first chamber and the second chamber respectively. An electric valve is installed on each clean gas outlet, and the electric valve can be used to control the opening and closing of the clean gas outlet;

[0013] Two main pipes are provided, and the two main pipes are respectively installed on the inner side wall of the first chamber and the inner side wall of the second chamber;

[0014] Two air intake pipes are provided, and the two air intake pipes are respectively installed on the side wall of the first chamber and the side wall of the second chamber, and are connected with the main pipe from outside to inside;

[0015] When filtering dust-laden gas, a part of the filter bags can be used to filter the dust-laden gas and discharge it through one of the clean gas outlets. The electric valve on the other clean gas outlet can be closed, and air can be injected through one group of air inlet pipes, main pipes, annular pipes, and risers. The other part of the filter bags can be reversely blown for cleaning. Cleaning and filtering can be performed alternately to improve the exhaust gas treatment efficiency.

[0016] According to further regulations, a pulse solenoid valve is installed on each air intake duct outside the shell. During cleaning, the pulse solenoid valve is used to control the air flow in the air intake duct to perform pulse air injection, which can perform pulse spray cleaning on the filter bag, promote the falling off of the dust layer attached to the surface of the filter bag, and maintain the cleanliness of the filter bag and the dust removal efficiency.

[0017] According to further definition, the shell is composed of an upper box body, a lower box body and an ash hopper, the bottom end of the upper box body and the top end of the lower box body are both provided with flanges, the flange at the bottom end of the upper box body and the flange at the top end of the lower box body are connected by multiple bolts, and sealing gaskets are provided between the flanges to form a seal, the upper box body and the lower box body can be disassembled and assembled, so as to facilitate the maintenance of various components therein; the bottom end of the lower box body is fixedly connected to the top end of the ash hopper (such as welding or integral molding), the ash hopper is funnel-shaped, so as to facilitate the collection of dust particles, and a valve is installed at the bottom of the ash hopper, and the ash can be discharged by opening the valve.

[0018] According to further definition, the partition plate is composed of an upper partition and a lower partition, the upper partition is welded to the inside of the upper box body, and the lower partition is welded to the inside of the lower box body, the bottom end of the upper partition and the top end of the lower partition are both provided with flanges, and sealing gaskets are provided between the flanges to form a seal.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The dust particle absorption device can be used to filter dust-containing gas and can clean the filter bag by reverse blowing. When filtering dust-containing gas, driven by the fan, the dust-containing gas enters the lower chamber inside the shell through the dust gas inlet, and the gas in the dust-containing gas enters the filter bag from the outside to the inside, and enters the upper chamber through the top of the filter bag, and is then discharged from the clean air outlet. The dust particles are blocked on the outer surface of the filter bag, and some dust particles fall to the bottom of the shell under the action of gravity. During pulse cleaning, air can be injected into each vertical pipe of each filter bag frame, and the gas is blown out from each jet hole on the vertical pipe to make the filter bag expand and vibrate, which can help the dust particles attached to the outer surface of the filter bag fall off to the bottom of the shell, and can blow air in the opposite direction to each section in the filter bag, so as to improve the cleaning effect of the entire filter bag, promote the falling of the dust layer attached to the surface of the filter bag, and maintain the cleanliness of the filter bag and the dust removal efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0022] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;

[0023] Figure 2 for Figure 1 A schematic diagram of the enlarged local structure at center A;

[0024] Figure 3 It is a three-dimensional structural schematic diagram of the filter bag and the filter bag frame in the utility model;

[0025] Figure 4 It is a schematic diagram of the exploded structure of the filter bag and the filter bag frame in the utility model.

[0026] The names of the components in the figure are: 1. Shell, 1.1. Upper box body, 1.2. Lower box body, 1.3. Ash hopper, 2. Filter bag frame, 2.1. Vertical pipe, 2.2. T-type top plate, 2.3. Ring pipe, 2.4. Air inlet connector, 2.5. Chassis, 3. Filter bag, 4. Flower plate, 5. Sealing gasket, 6. Clean air outlet, 7. Connecting pipe, 8. Main pipeline, 9. Electric valve, 10. Air inlet pipeline, 11. Pulse solenoid valve, 12. Partition plate, 12.1. Upper partition plate, 12.2. Lower partition plate, 13. Dust and gas inlet, 14. Tripod, 15. Valve, 16. Jet hole. DETAILED DESCRIPTION

[0027] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0028] In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", "left", "right", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] An environmental protection dust particle absorption device, such as Figure 1 As shown, it is composed of a shell 1, a flower plate 4, a filter bag frame 2, and a filter bag 3.

[0030] like Figure 1 As shown, the housing 1 is composed of an upper housing 1.1, a lower housing 1.2 and an ash hopper 1.3; a plurality of tripods 14 are installed on the bottom outer wall of the lower housing 1.2, and the plurality of tripods 14 can support the housing 1;

[0031] The bottom end of the upper box body 1.1 and the top end of the lower box body 1.2 are both provided with flanges, and the flanges at the bottom end of the upper box body 1.1 and the flanges at the top end of the lower box body 1.2 are connected by a plurality of bolts, and a sealing gasket 5 is provided between the flanges to form a seal, and the upper box body 1.1 and the lower box body 1.2 can be disassembled and assembled, so as to facilitate the maintenance of the components installed therein;

[0032] The bottom end of the lower box body 1.2 is welded to the top end of the ash hopper 1.3. The ash hopper 1.3 is funnel-shaped to facilitate the collection of dust particles. A valve 15 is installed at the bottom of the ash hopper 1.3. The valve 15 can be opened to discharge dust. The valve 15 is a gate valve.

[0033] like Figure 1 As shown, a partition plate 12 is arranged inside the shell 1, and the partition plate 12 is composed of an upper partition plate 12.1 and a lower partition plate 12.2. The upper partition plate 12.1 is welded to the inside of the upper box body 1.1, and the lower partition plate 12.2 is welded to the inside of the lower box body 1.2. The bottom end of the upper partition plate 12.1 and the top end of the lower partition plate 12.2 are both provided with flanges, and a sealing gasket 5 is provided between the flanges to form a seal; when the upper box body 1.1 and the lower box body 1.2 are connected, the upper partition plate 12.1 and the lower partition plate 12.2 constitute the partition plate 12.

[0034] like Figure 1 As shown, the flower plate 4 is installed on the top of the lower box body 1.2, and the flower plate 4 divides the interior of the shell 1 into an upper chamber and a lower chamber;

[0035] Specifically, the lower partition 12.2 divides the flower plate 4 into two parts, the outer edge of the flower plate 4 is welded to the lower box 1.2 and the lower partition 12.2 to form a seal, ensuring the independence of the upper chamber and the lower chamber;

[0036] The partition plate 12 divides the upper chamber of the shell 1 into a first chamber and a second chamber distributed left and right, and the partition plate 12 divides the upper part of the lower chamber of the shell 1 into a third chamber and a fourth chamber distributed left and right.

[0037] like Figure 1 As shown, the side wall of the ash hopper 1.3 of the shell 1 is provided with a dust gas inlet 13 communicating with the lower chamber, and the side wall of the upper box body 1.1 of the shell 1 is provided with a clean gas outlet 6 communicating with the upper chamber;

[0038] There are two clean gas outlets 6, which are respectively installed on the side wall of the first chamber and the side wall of the second chamber and are respectively communicated with the first chamber and the second chamber. An electric valve 9 is installed on each clean gas outlet 6, and the electric valve 9 can be used to control the opening and closing of the clean gas outlet 6.

[0039] like Figure 1 As shown, the filter bag frame 2 and the filter bag 3 are both provided with a plurality of them, and the filter bag 3 is mounted on the filter bag frame 2; a part of the plurality of filter bag frames 2 is located on the left side of the partition plate 12, and another part is located on the right side of the partition plate 12, and the top of the filter bag frame 2 is installed on the flower plate 4;

[0040] Specifically, Figures 2 to 4 As shown, the filter bag frame 2 is composed of a standpipe 2.1, a T-shaped top plate 2.2, an annular tube 2.3, an air inlet joint 2.4 and a bottom plate 2.5; a plurality of standpipes 2.1 are provided, and the plurality of standpipes 2.1 are evenly distributed in an annular shape to enclose a cylindrical frame structure, the top of each standpipe 2.1 passes through the T-shaped top plate 2.2 and is welded to the T-shaped top plate 2.2, the top of each standpipe 2.1 is welded to the annular tube 2.3 and the inside of the standpipe 2.1 is communicated with the inside of the annular tube 2.3, the bottom end of each standpipe 2.1 is welded to the bottom plate 2.5, the bottom plate 2.5 can block the bottom outlet of the standpipe 2.1, and each standpipe 2.1 is fixed on Between the T-shaped top plate 2.2 and the bottom plate 2.5, it is helpful to maintain the stability of the cylindrical frame structure. The filter bag 3 can be mounted on the outside of the cylindrical frame structure. The multiple vertical pipes 2.1 can prop up the filter bag 3 to form an air flow channel inside. The side wall of each vertical pipe 2.1 is provided with a plurality of air injection holes 16 distributed along its axial direction, and the air injection holes 16 face the filter bag 3. An air inlet joint 2.4 connected to the inside of the annular tube 2.3 is welded, and air is injected into the annular tube 2.3 through the air inlet joint 2.4. The gas in the annular tube 2.3 can be diverted to each vertical pipe 2.1, and then each air injection hole 16 performs reverse blowing and dust cleaning;

[0041] Specifically, a through hole for inserting the T-shaped top plate 2.2 is opened on the flower plate 4. The T-shaped top plate 2.2 and the flower plate 4 are detachably connected by bolts and a sealing gasket 5 is arranged between the two to form a seal, which can facilitate the disassembly and assembly of the filter bag frame 2 and the filter bag 3 for their repair and maintenance.

[0042] like Figure 1 As shown, the inner side wall of the first chamber and the inner side wall of the second chamber of the inner top of the lower box body 1.2 are fixedly mounted with a main pipe 8, and the side wall of the main pipe 8 is provided with interfaces distributed along its axial direction and communicating with its interior. In the first chamber and the second chamber, the air inlet joint 2.4 on each annular tube 2.3 is connected to the interface on the main pipe 8 through a connecting pipe 7;

[0043] The side walls of the first chamber and the second chamber at the inner top of the lower box 1.2 are both installed with an air intake pipe 10 from outside to inside, the inner end of the air intake pipe 10 is connected to the main pipe 8 and the inside of the air intake pipe 10 is communicated with the inside of the main pipe 8, the outer end of the air intake pipe 10 is connected to the clean air source, and air can be injected through the air intake pipe 10, the main pipe 8, the connecting pipe 7, the annular pipe 2.3, and the vertical pipe 2.1 to perform reverse blowing and cleaning of the filter bag 3;

[0044] When filtering dust-containing gas, a part of the filter bags 3 can be used to filter the dust-containing gas and discharge it through one of the clean gas outlets 6. The electric valve 9 on the other clean gas outlet 6 is closed, and air can be injected through one group of air inlet pipes 10, the main pipe 8, the annular pipe 2.3, and the vertical pipe 2.1. The other part of the filter bags 3 can be reversely blown and cleaned. Cleaning and filtering coexist alternately, which can improve the exhaust gas treatment efficiency.

[0045] The dust particle absorption device also includes a PLC controller. A pulse solenoid valve 11 is installed on each air intake duct 10 outside the housing 1. Each pulse solenoid valve 11 and each electric valve 9 are electrically connected to the PLC controller. The PLC controller can control the opening and closing of each pulse solenoid valve 11 and each electric valve 9, and can perform timing or quantitative control on each component.

[0046] During cleaning, the pulse solenoid valve 11 is controlled by the PLC controller to control the air flow interruption of the air intake duct 10 to perform pulse air injection, which can perform pulse spray cleaning on the filter bag 3, promote the falling off of the dust layer attached to the surface of the filter bag, and maintain the cleanliness of the filter bag and the dust removal efficiency. Pulse air injection has been widely used in existing bag dust collectors. The main improvement of the present application lies in the reverse air blowing cleaning structure of the filter bag frame 2.

[0047] The working principle and technical effect of the dust particle absorption equipment are:

[0048] When the equipment is in operation, a fan is connected to the dust gas inlet 13 or the clean gas outlet 6 to drive the gas flow. Both air inlet pipes 10 are externally connected to an air compressor to provide clean gas for dust cleaning. The air compressor can provide pressurized air for reverse blowing and dust cleaning.

[0049] The filter bag 3 in the third chamber is used to filter dust particles. When the filter bag 3 in the fourth chamber is cleaned, the electric valve 9 on the clean air outlet 6 communicating with the second chamber is closed;

[0050] When filtering dusty gas, driven by the fan, the dusty gas enters the lower chamber inside the housing 1 through the dusty gas inlet 13, and the gas in the dusty gas enters the filter bag 3 on the left side of the lower partition 12.2 from the outside to the inside, and enters the first chamber through the top of the filter bag 3, and then is discharged from the clean gas outlet 6, and the dust particles are blocked on the outer surface of the filter bag 3, and some dust particles fall into the ash hopper 1.3 under the action of gravity;

[0051] During pulse cleaning, the pulse solenoid valve 11 on the left air intake pipe 10 is normally closed, and the pulse solenoid valve 11 on the right air intake pipe 10 is intermittently opened and closed, so as to intermittently inject gas into the main pipe 8 in the second chamber. The gas in the main pipe 8 enters each standpipe 2.1 through the connecting pipe 7 and the annular pipe 2.3, and the gas is blown out from each air injection hole 16, so that the filter bag 3 expands and vibrates, which is conducive to the dust particles attached to the outer surface of the filter bag 3 falling off to the bottom of the shell 1, and can blow air in the opposite direction to each section in the filter bag 3, thereby improving the cleaning effect of the entire filter bag 3;

[0052] The PLC controller can switch the control so that each filter bag 3 on the left side of the partition plate 12 and each filter bag 3 on the right side thereof alternately perform dust-containing gas filtering and reverse air blowing for cleaning. The cleaning and filtering coexist alternately, which can improve the exhaust gas treatment efficiency.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. An environmental protection dust particle absorption device, comprising a housing (1), a flower plate (4) is arranged inside the housing (1), the flower plate (4) divides the inside of the housing (1) into an upper chamber and a lower chamber, a bottom side wall of the housing (1) is provided with a dust gas inlet (13) communicating with the lower chamber, a top side wall of the housing (1) is provided with a clean gas outlet (6) communicating with the upper chamber, a plurality of filter bag frames (2) are mounted on the flower plate (4), each filter bag frame (2) is provided with a filter bag (3), and the characteristics are: The filter bag frame (2) comprises a plurality of vertical pipes (2.1), which are evenly distributed in a ring shape to enclose a cylindrical frame structure, and a side wall of each vertical pipe (2.1) is provided with a plurality of jet holes (16) distributed at intervals along its axial direction, and the jet holes (16) face the filter bag (3).

2. The environmental protection dust particle absorption device according to claim 1, characterized in that: The filter bag frame (2) further comprises a T-shaped top plate (2.2), an annular tube (2.3) and a bottom plate (2.5); the top of each vertical tube (2.1) of the filter bag frame (2) penetrates the T-shaped top plate (2.2) and is fixedly connected to the T-shaped top plate (2.2); the top of each vertical tube (2.1) is fixedly connected to the annular tube (2.3) and the interior of the vertical tube (2.1) is in communication with the interior of the annular tube (2.3); the bottom of each vertical tube (2.1) is fixedly connected to the bottom plate (2.5); and the annular tube (2.3) is provided with an air intake joint (2.4) in communication with the interior thereof.

3. The environmental protection dust particle absorption device according to claim 2, characterized in that: The T-shaped top plate (2.2) and the flower plate (4) are detachably connected via bolts.

4. The environmental protection dust particle absorption device according to claim 2, characterized in that: A main pipe (8) is fixedly mounted on the inner side wall of the upper chamber of the shell (1); the side wall of the main pipe (8) is provided with interfaces spaced apart along its axial direction and communicating with the interior thereof; the air inlet joints (2.4) on each annular tube (2.3) are communicated with the interfaces on the main pipe (8) via a connecting pipe (7); an air inlet pipe (10) is mounted on the side wall of the upper chamber of the shell (1) from outside to inside; the inner end of the air inlet pipe (10) is connected to the main pipe (8) and the interior of the air inlet pipe (10) is communicated with the interior of the main pipe (8).

5. The environmental protection dust particle absorption device according to claim 4, characterized in that: A partition plate (12) is provided inside the shell (1), the partition plate (12) divides the upper chamber of the shell (1) into a first chamber and a second chamber which are distributed on the left and right, the partition plate (12) divides the upper part of the lower chamber of the shell (1) into a third chamber and a fourth chamber which are distributed on the left and right, and a part of the plurality of filter bag frames (2) is located on the left side of the partition plate (12), and another part is located on the right side of the partition plate (12); Two clean gas outlets (6) are provided. The two clean gas outlets (6) are respectively installed on the side wall of the first chamber and the side wall of the second chamber and are respectively communicated with the first chamber and the second chamber. An electric valve (9) is installed on each clean gas outlet (6); Two main pipes (8) are provided, and the two main pipes (8) are respectively installed on the inner side wall of the first chamber and the inner side wall of the second chamber; Two air intake pipes (10) are provided, and the two air intake pipes (10) are respectively installed on the side wall of the first chamber and the side wall of the second chamber, and are connected to the main pipe (8) from the outside to the inside.

6. The environmental protection dust particle absorption device according to claim 5, characterized in that: A pulse solenoid valve (11) is installed on each air intake pipe (10) outside the housing (1).

7. The environmental protection dust particle absorption device according to claim 5, characterized in that: The shell (1) is composed of an upper box body (1.1), a lower box body (1.2) and an ash hopper (1.3); the bottom end of the upper box body (1.1) and the top end of the lower box body (1.2) are both provided with flanges; the flanges at the bottom end of the upper box body (1.1) and the flanges at the top end of the lower box body (1.2) are connected by a plurality of bolts, and a sealing gasket (5) is provided between the flanges to form a seal; the bottom end of the lower box body (1.2) is fixedly connected to the top end of the ash hopper (1.3), and a valve (15) is installed at the bottom of the ash hopper (1.3).

8. The environmental protection dust particle absorption device according to claim 7, characterized in that: The partition plate (12) is composed of an upper partition plate (12.1) and a lower partition plate (12.2); the upper partition plate (12.1) is welded to the inside of the upper box body (1.1), and the lower partition plate (12.2) is welded to the inside of the lower box body (1.2); the bottom end of the upper partition plate (12.1) and the top end of the lower partition plate (12.2) are both provided with flanges, and a sealing gasket (5) is provided between the flanges to form a seal.

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