Membrane-covered filter bag type biomass power generation efficient dust removal device

Abstract

The utility model discloses a film-covered filter bag type biomass power generation efficient dust removal device which comprises a shell, a mounting plate is fixedly connected to the inner wall of the shell, a plurality of film-covered filter bags are evenly connected to the lower surface of the mounting plate through bolts, a fan is fixedly connected to the top of the inner wall of the shell and located above the mounting plate, and a plurality of supporting frames are arranged; the upper surface of the supporting frame is fixedly connected with the lower surface of the mounting plate, each supporting frame is correspondingly located in the corresponding film-covered filter bag, the multiple rotating assemblies are located in the mounting plate, and each rotating assembly is correspondingly located above the corresponding film-covered filter bag; according to the scheme, the rotating assembly is controlled through air blowing to drive the knocking assembly to rotate so as to knock the supporting frame, so that the supporting frame can generate certain vibration, the vibration of the film-coated filter bag is controlled through the vibration of the supporting frame, then part of particles attached to the surface of the film-coated filter bag can be shaken off, and the filtering effect of the film-coated filter bag can be kept.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dust removal, and in particular to a film-coated filter bag type high-efficiency dust removal device for biomass power generation. BACKGROUND

[0002] Biomass power generation is a renewable energy power generation method that uses organic matter as fuel and converts it into electrical energy through combustion or gasification technology. The process usually includes fuel collection, processing, fermentation, combustion or gasification, etc. However, during biomass combustion, smoke and particulate matter are generated. In order to ensure that the cleanliness of the discharged gas meets environmental protection standards, a film-coated filter bag type high-efficiency dust removal device is usually used to purify the gas to reduce environmental pollution.

[0003] In the related art, the gas discharged by biomass power generation is mainly filtered and purified by a film-coated filter bag type high-efficiency dust removal device. The film-coated filter bag is composed of a filter bag and a film. During the filtration process, it can effectively capture small particulate matter in the air. The design of the film not only enhances the durability of the filter bag, but also improves the filtration efficiency. However, after a period of use, the surface of the film-coated filter bag may be attached with particulate matter, thereby affecting its filtration efficiency. Therefore, it is necessary to use a back-blowing dust cleaning method to clean the film-coated filter bag. However, during the back-blowing operation, the filtration of the gas is usually suspended, which may affect the filtration efficiency of the gas.

[0004] Therefore, the skilled in the art provides a film-coated filter bag type high-efficiency dust removal device for biomass power generation to solve the problems raised in the above background art. CONTENT OF THE INVENTION

[0005] In order to solve the problem of suspending the filtration of the gas during the back-blowing operation, which may affect the filtration efficiency of the gas, as raised in the above background art, the present application provides a film-coated filter bag type high-efficiency dust removal device for biomass power generation.

[0006] The film-coated filter bag type high-efficiency dust removal device for biomass power generation provided by the present application adopts the following technical solution:

[0007] The utility model provides a kind of film filter bag type biomass power generation high-efficiency dust removal device, including shell, the inner wall of the shell is fixedly connected with mounting plate, the lower surface of the mounting plate is evenly connected with multiple film filter bags by bolt, the inner wall top of the shell is fixedly connected with fan, the fan is located above the mounting plate, support frame is provided with multiple, and upper surface is fixedly connected with the lower surface of the mounting plate, each the support frame is located inside each the film filter bag, rotating component is provided with multiple, and located inside the mounting plate, and each the rotating component is located above each the film filter bag, the lower surface of the rotating component is fixedly connected with knock component, and the knock component is located inside the support frame.

[0008] By adopting the above technical scheme, the gas flow can pass through the inside of the shell by starting the fan, the film filter bag can filter part of the fine particulate matters in the gas, the support frame can support the film filter bag, the gas can drive the control rotating component to rotate the knock component to knock the support frame, so that the support frame can vibrate, the vibration of the support frame can control the film filter bag to vibrate, part of the particulate matters adhered to the surface of the film filter bag can be shaken off, the filtering effect of the film filter bag can be maintained, and the frequency of stopping filtering for back-blowing dust removal can be reduced, so that the filtering efficiency of the gas can be ensured.

[0009] Preferably, the shell includes a rectangular shell, the inner wall of the rectangular shell is fixedly connected with the outer wall of the mounting plate, one side of the rectangular shell is fixedly connected with an air inlet pipe and an air outlet pipe in communication with the rectangular shell, the air inlet pipe is located below the mounting plate, the air outlet pipe is located above the mounting plate, the lower surface of the rectangular shell is fixedly connected with a dust collecting hopper, the bottom of the dust collecting hopper is fixedly connected with a dust discharge valve, and one side of the rectangular shell is provided with a cleaning door.

[0010] By adopting the above technical scheme, the gas can enter the rectangular shell through the air inlet pipe, the purified gas can be discharged outward through the air outlet pipe, and part of the particulate matters filtered by the film filter bag can fall into the inside of the dust collecting hopper, and the dust discharge operation can be performed through the dust discharge valve.

[0011] Preferably, the mounting plate includes a rectangular plate fixedly connected with the inner wall of the rectangular shell, a plurality of through holes are uniformly formed in the rectangular plate and penetrate the rectangular plate, each through hole is in communication with each film filter bag, and each rotating component is located inside each through hole.

[0012] By adopting the above technical scheme, the rectangular plate cooperates with the bolt to install and fix the film filter bag, and the through hole can facilitate the circulation of the gas filtered by the film filter bag.

[0013] Preferably, the film-coated filter bag comprises a bag body outside the support frame, the upper surface of the bag body is fixedly connected with a mounting ring plate, the mounting ring plate is connected with the rectangular plate through bolts, the upper surface of the mounting ring plate is fixedly connected with a sealing ring, and the sealing ring is located between the contact surface of the mounting ring plate and the rectangular plate.

[0014] By adopting the above technical scheme, the mounting ring plate cooperates with the bolts to mount the bag body below the rectangular plate, and the sealing ring can enhance the sealing effect between the mounting ring plate and the rectangular plate.

[0015] Preferably, the rotating assembly comprises a mounting strip inside the through hole, and a fan blade is rotatably mounted on the lower surface of the mounting strip and fixedly connected with the upper end surface of the knocking assembly.

[0016] By adopting the above technical scheme, the mounting strip can limit the installation position of the fan blade, and the airflow can control the rotation of the fan blade when the airflow passes through the inside of the through hole.

[0017] Preferably, the support frame comprises a limiting ring on the inner wall bottom of the bag body, and a plurality of supporting strips are uniformly fixedly connected to the upper surface of the limiting ring and fixedly connected with the lower surface of the rectangular plate.

[0018] By adopting the above technical scheme, the limiting ring can limit the installation position of the bottom end of the bag body, and the plurality of supporting strips can support the side wall of the bag body.

[0019] Preferably, the knocking assembly comprises a shaft fixedly connected to the lower surface of the fan blade, connecting strips are fixedly connected to both sides of the bottom end of the shaft, springs are elastically connected to one end of the connecting strips away from the shaft, and knocking balls are elastically connected to one end of the springs away from the connecting strips.

[0020] By adopting the above technical scheme, the shaft can drive the connecting strips to move when the fan blade rotates, the movement of the connecting strips cooperates with the springs to control the movement of the knocking balls, the movement of the knocking balls can continuously knock the plurality of supporting strips, thereby controlling the vibration of the support frame.

[0021] In summary, the present application has the following beneficial technical effects:

[0022] 1. The film-coated filter bag type biomass power generation high-efficiency dust removal device is provided with a shell capable of limiting the installation position of the mounting plate and the fan, the starting fan can make the gas flow through the inside of the shell, the film-coated filter bag can filter and treat part of the fine particulate matters in the gas, the gas can drive the control rotating assembly to drive the knocking assembly to rotate and knock the support frame, so that the support frame generates a certain vibration, the vibration of the support frame can control the vibration of the film-coated filter bag, part of the particulate matters attached to the surface of the film-coated filter bag can be shaken off, and the frequency of stopping the filtration for back blowing and dust removal can be reduced, so that the filtration efficiency of the gas can be ensured.

[0023] 2. The film-coated filter bag type biomass power generation high-efficiency dust removal device, the gas can enter the rectangular shell through the air inlet pipe, the purified gas can be discharged outward through the air outlet pipe, part of the particulate matters filtered by the film-coated filter bag can fall into the inside of the ash collecting hopper, the ash discharging valve can be used for ash discharging operation, the rectangular plate cooperates with the bolt to install and fix the film-coated filter bag, the through hole can facilitate the circulation of the gas filtered through the film-coated filter bag, the mounting ring plate cooperates with the bolt to install the bag body below the rectangular plate, and the sealing ring can enhance the sealing effect between the mounting ring plate and the rectangular plate.

[0024] 3. The film-coated filter bag type biomass power generation high-efficiency dust removal device, the limiting ring can limit the installation position of the bottom end of the bag body, the plurality of support bars can support the side wall of the bag body, and the installation bar can limit the installation position of the fan blade. When the air flow passes through the inside of the through hole, the air flow can control the rotation of the fan blade, the shaft can drive the connecting strip to move when the fan blade rotates, the movement of the connecting strip cooperates with the spring to control the movement of the knocking ball, and the movement of the knocking ball can continuously knock the plurality of support bars, so that the support frame can be controlled to vibrate. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole structure schematic view of a film-coated filter bag type biomass power generation high-efficiency dust removal device in the embodiment of the application.

[0026] Figure 2 It is a sectional structure schematic view of a film-coated filter bag type biomass power generation high-efficiency dust removal device in the embodiment of the application.

[0027] Figure 3 It is a film-coated filter bag type biomass power generation high-efficiency dust removal device in the embodiment of the application Figure 2 The enlarged schematic view of the structure at A in the embodiment of the application.

[0028] Figure 4 It is a support frame structure schematic view of a film-coated filter bag type biomass power generation high-efficiency dust removal device in the embodiment of the application.

[0029] Figure 5is a knocking assembly structure schematic view of a film-coated filter bag type biomass power generation high-efficiency dust removal device in the embodiment of the application.

[0030] Mark explanation: 1, shell; 101, rectangular shell; 102, air inlet pipe; 103, exhaust pipe; 104, dust hopper; 105, dust valve; 106, cleaning door; 2, mounting plate; 201, rectangular plate; 202, through hole; 3, film-coated filter bag; 301, bag body; 302, mounting ring plate; 303, sealing ring; 4, fan; 5, support frame; 501, limiting ring; 502, support strip; 6, rotating assembly; 601, mounting strip; 602, fan blade; 7, knocking assembly; 701, shaft; 702, connecting strip; 703, spring; 704, knocking ball. DETAILED DESCRIPTION

[0031] The following will be combined with the Figures 1-5 The application is further described in detail.

[0032] The embodiment of the application discloses a film-coated filter bag type biomass power generation high-efficiency dust removal device. Referring to Figure 1 、 Figure 2 and Figure 3 A film-coated filter bag type biomass power generation high-efficiency dust removal device, comprising a shell 1, the inner wall of the shell 1 is fixedly connected with a mounting plate 2, the lower surface of the mounting plate 2 is uniformly connected with a plurality of film-coated filter bags 3 through bolts, the inner wall top of the shell 1 is fixedly connected with a fan 4, the fan 4 is located above the mounting plate 2, a plurality of support frames 5 are provided, and the upper surface is fixedly connected with the lower surface of the mounting plate 2, each support frame 5 is located inside each film-coated filter bag 3, a plurality of rotating assemblies 6 are provided, and located inside the mounting plate 2, and each rotating assembly 6 is located above each film-coated filter bag 3, the lower surface of the rotating assembly 6 is fixedly connected with a knocking assembly 7, and the knocking assembly 7 is located inside the support frame 5.

[0033] In the embodiment, the shell 1 is arranged inside the biomass power generation high-efficiency dust removal device, and is used for purifying the gas discharged by the biomass power generation; the installation position of the mounting plate 2 and the fan 4 can be limited by the shell 1; the installation position of the coated filter bag 3 can be limited by the mounting plate 2; the part of the small particles in the gas can be filtered by the coated filter bag 3 when the gas flows through the inside of the shell 1; the support frame 5 is arranged inside the coated filter bag 3, and the upper surface of the support frame 5 is fixedly connected with the lower surface of the mounting plate 2; the support frame 5 can support the coated filter bag 3 to prevent the coated filter bag 3 from being deformed during use; the rotating assembly 6 is arranged above the coated filter bag 3; the rotating assembly 6 can be controlled to rotate by the blowing of the gas when the gas filtered by the coated filter bag 3 flows upwards; the knocking assembly 7 fixedly installed on the lower surface of the rotating assembly 6 can be driven to rotate when the rotating assembly 6 rotates; the end of the knocking assembly 7 can knock the support frame 5 when the knocking assembly 7 rotates, so that the support frame 5 can vibrate; the coated filter bag 3 can vibrate by the vibration of the support frame 5, so that part of the particles attached to the surface of the coated filter bag 3 can be shaken off, so as to maintain the filtering effect of the coated filter bag 3, and the frequency of stopping the filtering for back blowing can be reduced, so as to ensure the filtering efficiency of the gas and make the biomass power generation high-efficiency dust removal device more convenient to use.

[0034] In the further preferable embodiment of the utility model, as shown in Figure 1 and Figure 2 , the shell 1 includes a rectangular shell body 101, the inner wall of the rectangular shell body 101 is fixedly connected with the outer wall of the mounting plate 2, one side of the rectangular shell body 101 is fixedly connected with an air inlet pipe 102 and an air outlet pipe 103 which are communicated with the rectangular shell body 101, the air inlet pipe 102 is located below the mounting plate 2, the air outlet pipe 103 is located above the mounting plate 2, the lower surface of the rectangular shell body 101 is fixedly connected with an ash collecting hopper 104, the bottom of the ash collecting hopper 104 is fixedly connected with an ash discharge valve 105, and one side of the rectangular shell body 101 is provided with a cleaning door 106.

[0035] In the embodiment, the gas needing filtering treatment can enter the inside of the rectangular shell body 101 through the air inlet pipe 102, the gas can be discharged outward through the air outlet pipe 103 after being purified, one end of the air outlet pipe 103 is communicated with one end of the fan 4, part of the particles filtered by the coated filter bag 3 can fall into the inside of the ash collecting hopper 104, the operator can perform ash discharge operation through the ash discharge valve 105, the cleaning door 106 can be opened and closed according to needs, the space inside the rectangular shell body 101 can be closed when the cleaning door 106 is closed, and the coated filter bag 3 can be conveniently disassembled and replaced when the cleaning door 106 is opened.

[0036] In the further preferable embodiments of the present application, as shown in Figure 2 and Figure 3 , the mounting plate 2 comprises a rectangular plate 201 fixedly connected to the inner wall of the rectangular shell 101, a plurality of through holes 202 are uniformly arranged on the rectangular plate 201 and penetrate the rectangular plate 201, each through hole 202 is in communication with each film-coated filter bag 3, and each rotating assembly 6 is located inside each through hole 202.

[0037] In the present embodiment, the film-coated filter bag 3 can be installed and fixed by cooperation of the rectangular plate 201 and the bolt, and the gas filtered by the film-coated filter bag 3 can flow through the through holes 202.

[0038] In the further preferable embodiments of the present application, as shown in Figure 2 and Figure 3 , the film-coated filter bag 3 comprises a bag body 301 located outside the support frame 5, the upper surface of the bag body 301 is fixedly connected with a mounting ring plate 302, the mounting ring plate 302 is connected with the rectangular plate 201 through a bolt, the upper surface of the mounting ring plate 302 is fixedly connected with a sealing ring 303, and the sealing ring 303 is located between the contact surface of the mounting ring plate 302 and the rectangular plate 201.

[0039] In the present embodiment, the bag body 301 can be made of high-efficiency fiber material, which can capture tiny particulate matters in the air, and a film made of special material is coated on the outer surface of the bag body 301, which can enhance the durability and filtering efficiency of the bag body 301. The bag body 301 can be installed below the rectangular plate 201 through cooperation of the mounting ring plate 302 and the bolt, and the sealing effect between the mounting ring plate 302 and the rectangular plate 201 can be enhanced by the sealing ring 303.

[0040] In the further preferable embodiments of the present application, as shown in Figure 2 , Figure 3 and Figure 4 , the support frame 5 comprises a limiting ring 501 located at the bottom of the inner wall of the bag body 301, a plurality of supporting rods 502 are fixedly connected to the upper surface of the limiting ring 501, and the upper end surface of the supporting rod 502 is fixedly connected with the lower surface of the rectangular plate 201.

[0041] In the present embodiment, the installation position of the bottom end of the bag body 301 can be limited by the limiting ring 501, and the installation position of the lower end surface of the plurality of supporting rods 502 can also be limited by the limiting ring 501, so as to enhance the stability of the overall structure of the support frame 5, and the side wall of the bag body 301 can be supported by the plurality of supporting rods 502.

[0042] In the further preferable embodiments of the present application, as shown inFigure 2 and Figure 3 As shown in FIGS. 6 and 7, the rotating assembly 6 comprises a mounting strip 601 located inside the through hole 202, and a fan blade 602 is rotatably mounted on the lower surface of the mounting strip 601, and the lower surface of the fan blade 602 is fixedly connected with the upper end surface of the knocking assembly 7.

[0043] In the embodiment, the mounting position of the fan blade 602 can be limited by the mounting strip 601, and the fan blade 602 can be controlled to rotate by the airflow when the airflow passes through the inside of the through hole 202.

[0044] In further preferable embodiments of the utility model, as shown in FIGS. 8 and 9, the knocking assembly 7 comprises a shaft 701 fixedly connected with the lower surface of the fan blade 602, and a connecting strip 702 is fixedly connected on both sides of the bottom end of the shaft 701, and a spring 703 is elastically connected with one end of the connecting strip 702 away from the shaft 701, and a knocking ball 704 is elastically connected with one end of the spring 703 away from the connecting strip 702. Figure 2 , Figure 3 and Figure 5

[0045] In the embodiment, the shaft 701 can drive the connecting strip 702 to move when the fan blade 602 rotates, and the knocking ball 704 can be controlled to move by the movement of the connecting strip 702 cooperating with the spring 703, and the multiple supporting strips 502 can be continuously knocked by the movement of the knocking ball 704, so that the supporting frame 5 can be controlled to vibrate.

[0046] The implementation principle of the film-coated filter bag type high-efficiency dust removal device for biomass power generation in the embodiment of the application is as follows:

[0047] In use, the fan 4 is started to make the gas flow through the inside of the shell 1, and the film-coated filter bag 3 is used to filter part of the fine particulate matters in the gas, and the supporting frame 5 is used to support the film-coated filter bag 3, when the gas filtered by the film-coated filter bag 3 flows upward, the gas can drive the control rotating assembly 6 to rotate, the rotating assembly 6 can drive the knocking assembly 7 to rotate to knock the supporting frame 5, so that the supporting frame 5 can vibrate, the vibration of the supporting frame 5 can control the film-coated filter bag 3 to vibrate, part of the particulate matters attached to the surface of the film-coated filter bag 3 can be shaken off, the filtering effect of the film-coated filter bag 3 can be maintained, and the frequency of stopping the filtration for back-blowing dust removal can be reduced, so that the filtering efficiency of the gas can be ensured, and the application can be more convenient for actual use.

[0048] The above are preferable embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.​

Claims

1. A high-efficiency dust removal device for biomass power generation with a film-coated filter bag, comprising a shell (1), characterized in that: The inner wall of the shell (1) is fixedly connected with a mounting plate (2), the lower surface of the mounting plate (2) is uniformly connected with a plurality of film filter bags (3) through bolt connection, the inner wall top of the shell (1) is fixedly connected with a fan (4), and the fan (4) is located above the mounting plate (2). A plurality of support frames (5) are arranged, and the upper surface of each support frame (5) is fixedly connected with the lower surface of the mounting plate (2), and each support frame (5) is located inside each film filter bag (3). And A plurality of rotating assemblies (6) are arranged, and each rotating assembly (6) is located inside the mounting plate (2), and each rotating assembly (6) is located above each film filter bag (3), and the lower surface of the rotating assembly (6) is fixedly connected with a knocking assembly (7), and the knocking assembly (7) is located inside the support frame (5).

2. The film-coated filter bag type biomass power generation high-efficiency dust removal device according to claim 1, characterized in that: The shell (1) comprises a rectangular shell (101), the inner wall of the rectangular shell (101) is fixedly connected with the outer wall of the mounting plate (2), one side of the rectangular shell (101) is fixedly connected with an air inlet pipe (102) and an air outlet pipe (103) which are in communication with the rectangular shell (101), the air inlet pipe (102) is located below the mounting plate (2), the air outlet pipe (103) is located above the mounting plate (2), the lower surface of the rectangular shell (101) is fixedly connected with an ash receiving hopper (104), the bottom of the ash receiving hopper (104) is fixedly connected with an ash discharge valve (105), and one side of the rectangular shell (101) is provided with a cleaning door (106).

3. The film-coated filter bag type biomass power generation high-efficiency dust removal device according to claim 2, characterized in that: The mounting plate (2) comprises a rectangular plate (201) fixedly connected to the inner wall of the rectangular shell (101), a plurality of through holes (202) are uniformly formed in the rectangular plate (201) and penetrate the rectangular plate (201), each through hole (202) is in communication with each film filter bag (3), and each rotating assembly (6) is located inside each through hole (202).

4. The film-coated filter bag type biomass power generation high-efficiency dust removal device according to claim 3, characterized in that: The film filter bag (3) comprises a bag body (301) located outside the support frame (5), the upper surface of the bag body (301) is fixedly connected with a mounting ring plate (302), the mounting ring plate (302) is connected with the rectangular plate (201) through bolt connection, the upper surface of the mounting ring plate (302) is fixedly connected with a sealing ring (303), and the sealing ring (303) is located between the contact surface of the mounting ring plate (302) and the rectangular plate (201).

5. The film-coated filter bag type biomass power generation high-efficiency dust removal device according to claim 3, characterized in that: The rotating assembly (6) comprises a mounting strip (601) located inside the through hole (202), and a fan blade (602) is rotatably installed on the lower surface of the mounting strip (601), and the lower surface of the fan blade (602) is fixedly connected with the upper end surface of the knocking assembly (7).

6. The film-coated filter bag type biomass power generation high-efficiency dust removal device according to claim 4, characterized in that: The support frame (5) includes a limiting ring (501) located at the bottom of the inner wall of the bag body (301), and the upper surface of the limiting ring (501) is uniformly and fixedly connected with a plurality of support strips (502), and the upper end surface of the support strip (502) is fixedly connected with the lower surface of the rectangular plate (201).

7. The film-coated filter bag type biomass power generation high-efficiency dust removal device according to claim 5, characterized in that: The knocking assembly (7) includes a shaft rod (701) fixedly connected with the lower surface of the fan blade (602), both sides of the bottom end of the shaft rod (701) are fixedly connected with a connecting strip (702), one end of the connecting strip (702) away from the shaft rod (701) is elastically connected with a spring (703), and one end of the spring (703) away from the connecting strip (702) is elastically connected with a knocking ball (704).

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