Dust fall device for wood fiber particle production workshop

Abstract

The utility model discloses a dust fall device for a wood fiber particle production workshop, which belongs to the technical field of dust fall and removal and comprises a shell, a first partition plate is arranged in the shell and divides the interior of the shell into a first working space and a second working space, more than two filter cartridges are arranged in the first working space, and the filter cartridges are arranged in the second working space. A first through hole is formed in the first partition plate, a first air inlet and a first air outlet are formed in the shell, a dust collection fan is arranged in the second working space and communicates with the first through hole, the dust collection fan communicates with the first air outlet, a through hole valve assembly is arranged on the first partition plate, and a plurality of universal wheels are arranged at the bottom of the shell. According to the utility model, the number of the filter cartridges for dust removal can be controlled, and the replacement time of the filter cartridges is prolonged; unnecessary airflow channels are reduced, the suction force of the device is increased, and the dust removal effect is good; the device is suitable for dust removal and falling of part of treatment equipment in the wood fiber particle production process, and the overall application range of the device is wide.

Description

Technical Field

[0001] The utility model belongs to the technical field of dust reduction and removal, and in particular relates to a dust reduction device for a wood fiber particle production workshop. Background Art

[0002] Wood fiber refers to cellulose and hemicellulose extracted from plants such as wood and bamboo. It is a biomass resource. Due to its low density and easy moisture absorption and deformation, wood fiber is generally processed into granules for easy handling, storage and use during transportation and use. Wood fiber particles will go through processes such as crushing and screening during processing, which easily generates dust in the production workshop. Existing production workshops generally use exhaust fans with vacuum hoses, which can only remove dust at fixed locations, and do not meet the workshop's multi-directional dust reduction needs. At the same time, the filter cartridges used for filtering also need to be fully put into use when vacuuming in a small area, and the filter cartridges need to be replaced frequently. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a dust reduction device in a wood fiber particle production workshop, which can be moved and used in the workshop and reduce the replacement frequency of filter cartridges.

[0004] Technical solution: In order to solve the above technical problems, the technical solution adopted by the utility model is as follows:

[0005] A dust reduction device for a wood fiber particle production workshop comprises a shell, wherein a first partition plate is provided in the shell, the first partition plate divides the shell into a first working space and a second working space, the first working space is provided with more than two filter cartridges, the first partition plate is provided with a first through hole corresponding to the filter cartridge, the shell is provided with a first air inlet connected to the first working space and a first air outlet connected to the second working space, the second working space is provided with a dust suction fan, the air inlet end of the dust suction fan is connected to the first through hole, the air outlet end of the dust suction fan is connected to the first air outlet, a through hole valve assembly for closing or opening the first through hole is provided on the first partition plate, and a plurality of universal wheels are provided at the bottom of the shell.

[0006] Furthermore, the through-hole valve assembly includes a fixed plate, a telescopic rod disposed on the fixed plate, and a movable plate connected to the telescopic rod, wherein the movable plate is provided with a second through hole corresponding to the first through hole.

[0007] Furthermore, a back-blowing assembly is provided in the shell, and the back-blowing assembly includes a gas tank, a back-blowing valve connected to the gas tank, and a back-blowing nozzle connected to the back-blowing valve, and the back-blowing nozzle corresponds to the position of the filter cartridge.

[0008] Furthermore, a second partition plate is provided in the second working space, and the second partition plate divides the second working space into a middle space and an upper space. The dust suction fan is located in the upper space, and a third through hole corresponding to the dust suction fan is provided on the second partition plate, and the back-blowing assembly is located in the middle space.

[0009] Furthermore, it also includes a pretreatment component, which includes a box body, a filler layer arranged in the box body, and a spray part for spraying liquid on the filler layer. The box body is provided with a second air inlet and a second air outlet, and the second air outlet is connected to the first air inlet.

[0010] Furthermore, the spray component includes a spray head and a water pump connected to the spray head, a water collection area is provided at the bottom of the box body, and the water pump is connected to the water collection area through a pipeline.

[0011] Furthermore, a wind shield corresponding to the first air inlet is provided in the first working space, and a wind guide plate is provided on the windward surface of the wind shield, and the cross-section of the wind guide plate is triangular.

[0012] Furthermore, a drawer for collecting dust is provided at the bottom of the shell.

[0013] Beneficial effects: Compared with the prior art, the utility model has the following advantages:

[0014] 1. By setting a through-hole valve assembly and controlling the opening and closing of the corresponding first through-hole through the movable plate, the number of filter cartridges put into dust removal and dust reduction work can be controlled, and the replacement time of the filter cartridges can be extended;

[0015] 2. The first partition plate and the second partition plate are arranged to divide the shell into multiple spaces, thereby reducing unnecessary airflow channels, increasing the suction force of the device, and achieving good dust removal and dust reduction effects;

[0016] 3. A pre-treatment component is set up, which is suitable for dust removal and dust reduction of some processing equipment in the production process of wood fiber particles. It can filter dust in the air and cool the air. The overall application range of the device is wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0018] Figure 2 is a schematic diagram of the cross-sectional structure of the windshield of the embodiment;

[0019] Figure 3 2 is a schematic diagram of the structure of the through-hole valve assembly of the embodiment;

[0020] Figure 4 2. It is a schematic structural diagram of a backflush assembly of an embodiment;

[0021] Figure 5 Schematic diagram of the structure of the preprocessing component of the embodiment. DETAILED DESCRIPTION

[0022] The present invention will be further explained below in conjunction with specific embodiments. The embodiments are implemented based on the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0023] like Figure 1 and Figure 2 As shown, a dust reduction device for a wood fiber particle production workshop includes a shell 1. The shell 1 is a rectangular body. Four universal wheels 19 are arranged at the bottom of the shell 1. The universal wheels 19 adopt existing universal wheels with brakes to facilitate the movement of the shell 1. A first partition plate 41 is arranged in the shell 1. The first partition plate 41 is located in the middle of the shell 1. The first partition plate 41 divides the shell 1 into a first working space 11 and a second working space. The first working space 11 is located in the lower part. A first side door corresponding to the first working space 11 and a second side door corresponding to the second working space (not shown in the figure) are arranged on the side of the shell 1. The first side door is used to open the first working space 11, and the second side door is used to open the second working space. A second partition plate 42 is arranged in the second working space 12. The second partition plate 42 divides the second working space into an intermediate space 121 and an upper space 122. The intermediate space 121 is located in the lower part of the second working space. A wind shield 15 corresponding to the first air inlet 101 is provided in the first working space 11. The upper and lower ends of the wind shield 15 are connected to the inner wall of the shell 1. The windward surface of the wind shield 15 is provided with a wind guide plate 151. The cross-section of the wind guide plate 151 is triangular, so that the airflow entering the shell 1 is divided by the wind guide plate 151 and enters the shell 1 from both sides. The wind shield 15 can both reduce the direct impact of the airflow and guide the airflow to enter the shell 1 in a circular shape.

[0024] like Figure 1As shown, two filter cartridges 2 are arranged in the first working space 11 (the number of filter cartridges 2 can be set as needed), the filter cartridge 2 adopts the existing cylindrical filter cartridge, and the material and filtering accuracy are selected according to actual needs. The first working space 11 is provided with a cylinder bracket at the bottom, which is used to support the filter cartridge 2 and plug the middle through hole of the filter cartridge 2. The upper part of the filter cartridge 2 is connected to the first partition plate 41, and the first partition plate 41 is provided with a first through hole 401 corresponding to the filter cartridge 2. The first through hole 401 is connected with the middle part of the filter cartridge 2, so that the airflow filtered by the filter cartridge 2 passes through the first through hole 401. The shell 1 is provided with a first air inlet 101 and a first air outlet 102. The first air inlet 101 is arranged on the side wall of the shell 1 and is connected to the first working space 11. The first air outlet 102 is arranged on the top of the shell 1 and is connected to the upper space 122. A dust suction fan is provided in the upper space 122 of the second working space. 3. The dust suction fan 3 adopts an existing centrifugal fan. The second partition plate 42 is provided with a third through hole 421 corresponding to the dust suction fan 3. The air inlet end of the dust suction fan 3 is connected with the third through hole 421 and thus connected with the through hole 401 through the middle space 121. The air outlet end of the dust suction fan 3 is connected with the first air outlet 102. When working, the dust suction fan 3 generates suction, and the air flow enters the first working space 11 in the shell body 1 from the first air inlet 101. After being filtered by the two filter cartridges 2, the dust remains on the outer wall of the filter cartridge 2. The air flow passes through the filter cartridge 2 from the middle area of ​​the filter cartridge 2 upward through the through hole 401 to the middle space 121. The gas in the middle space 121 enters the dust suction fan 3 from the third through hole 421, and is discharged from the shell body 1 from the first air outlet 102 under the action of the centrifugal force of the dust suction fan 3. When in use, a hose can be connected to the first air inlet 101, so as to generate negative pressure at the air inlet end of the hose for dust suction and dust reduction in the workshop.

[0025] like Figure 1 , Figure 3 and Figure 4As shown, a through-hole valve assembly 5 is disposed on the first partition plate 41 , and two through-hole valve assemblies 5 are provided and located corresponding to the first through-hole 401 , and are used to close or open the first through-hole 401 . The through-hole valve assembly 5 includes a fixed plate 51, a telescopic rod 52 and a movable plate 53. The fixed plate 51 is a rectangular plate arranged on the first partition plate 41 and is provided with a notch corresponding to the first through hole 401. The telescopic rod 52 is arranged on the fixed plate 51. The telescopic rod 52 adopts an existing cylinder. The fixed plate 51 is also provided with an air valve 521 connected to the telescopic rod 52. The movable plate 53 is arranged between the first partition plate 41 and the fixed plate 51, and one end of the movable plate 53 is connected to the telescopic rod 52. When the telescopic rod 52 works, it drives the movable plate 53 to move. The movable plate 53 is provided with a second through hole 531 corresponding to the first through hole 401; when the telescopic rod 52 is retracted to the shortest, the second through hole 531 coincides with the first through hole 401 to open the first through hole 401. When the telescopic rod 52 is extended to the longest, the movable plate 53 covers the first through hole 401 to close the first through hole 401. When a certain filter cartridge 2 is required to start filtering, the corresponding through-hole valve assembly 5 is controlled to open the corresponding first through-hole 401 .

[0026] like Figure 1 and Figure 4 As shown, a back-blowing assembly 6 is provided in the housing 1, and the back-blowing assembly 6 is arranged in the middle space 121. The back-blowing assembly 6 adopts the existing pulse back-blowing system, and the back-blowing assembly 6 includes a gas tank 61, a back-blowing valve 62 and a back-blowing nozzle 63. Two back-blowing valves 62 and two back-blowing nozzles 63 are respectively provided, and the back-blowing nozzle 63 is located directly above the filter cartridge 2. The gas tank 61 is used to store compressed air, and the back-blowing valve 62 is connected to the gas tank 61. The back-blowing nozzle 63 is connected to the back-blowing valve 62. After the back-blowing nozzle 63 is turned on, the back-blowing nozzle 63 sprays compressed air to cause impact vibration to remove the dust on the outer surface of the corresponding filter cartridge 2. A drawer 7 for dust collection is provided at the bottom of the housing 1, and the blown dust falls into the drawer 7 and is collected. The gas tank 61 can be connected to the air valve 521 through a pressure reducing valve to provide a working air source for the telescopic rod 52.

[0027] like Figure 1 and Figure 5As shown, the device also includes a pretreatment component 8, which includes a box body 81, a packing layer 82 and a spraying member 83. The bottom of the box body 81 is also provided with four universal wheels 19 for easy movement. A second air inlet 811 is provided on one side wall of the box body 81, and a second air outlet 812 is provided on the other side wall. The second air outlet 812 is detachably connected to the first air inlet 101. The packing layer 82 is arranged in the box body 81, and the packing layer 82 is located above the second air inlet 811 and below the second air outlet 812. A plurality of packing balls are arranged in the packing layer 82. A spraying member 83 is also provided on the box body 81. The spraying member 83 includes a nozzle 831 and a water pump (the water pump is not shown in the figure). The plurality of nozzles 831 are arranged above the packing layer 82. The bottom of the box body 81 A water collection area 813 is provided, a water pump is connected to the water collection area 813 through a pipeline, a nozzle 831 is connected to the water pump, the water pump transports the solution in the water collection area 813 to the nozzle 831 for spraying, the liquid sprayed by the nozzle 831 falls on the packing layer 82, when the dust suction fan 3 is working, the airflow enters the box body 81 from the second air inlet 811, passes through the packing layer 82 upward, and then enters the shell body 1 from the second air outlet 812 and the first air inlet 101, the airflow is filtered by the packing layer 82 and dusted by the spray liquid, the dust removal effect is good, the pretreatment component 8 can be put into use according to the needs, which can reduce the workload of the subsequent filter cartridge 2, and is suitable for dust removal in the process of wood fiber particle production, which is easy to generate high-temperature gas, and can filter dust in the air and cool the air.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A dust suppression device for a wood fiber pellet production workshop, characterized in that: The invention comprises a shell (1), wherein a first partition plate (41) is provided in the shell (1), wherein the first partition plate (41) divides the shell (1) into a first working space (11) and a second working space, wherein two or more filter cartridges (2) are provided in the first working space (11), wherein the first partition plate (41) is provided with a first through hole (401) corresponding to the filter cartridge (2), wherein the shell (1) is provided with a first air inlet (101) connected to the first working space (11) and a first air outlet (102) connected to the second working space, wherein a dust suction fan (3) is provided in the second working space (12), wherein the air inlet end of the dust suction fan (3) is connected to the first through hole (401), and the air outlet end of the dust suction fan (3) is connected to the first air outlet (102), wherein the first partition plate (41) is provided with a through hole valve assembly (5) for closing or opening the first through hole (401), and wherein a plurality of universal wheels (19) are provided at the bottom of the shell (1).

2. The dust suppression device for a wood fiber pellet production workshop according to claim 1, characterized in that: The through-hole valve assembly (5) comprises a fixed plate (51), a telescopic rod (52) arranged on the fixed plate (51), and a movable plate (53) connected to the telescopic rod (52), wherein the movable plate (53) is provided with a second through hole (531) corresponding to the first through hole (401).

3. The dust suppression device for a wood fiber pellet production workshop according to claim 2, characterized in that: A back-blowing assembly (6) is provided in the housing (1), and the back-blowing assembly (6) comprises a gas tank (61), a back-blowing valve (62) connected to the gas tank (61), and a back-blowing nozzle (63) connected to the back-blowing valve (62), wherein the back-blowing nozzle (63) corresponds to the position of the filter cartridge (2).

4. The dust suppression device for a wood fiber pellet production workshop according to claim 3, characterized in that: A second partition plate (42) is provided in the second working space, and the second partition plate (42) divides the second working space into an intermediate space (121) and an upper space (122); the dust suction fan (3) is located in the upper space (122); a third through hole (421) corresponding to the dust suction fan (3) is provided on the second partition plate (42); and the back-blowing assembly (6) is located in the intermediate space (121).

5. The dust suppression device for a wood fiber pellet production workshop according to claim 1, characterized in that: The invention also comprises a pretreatment component (8), the pretreatment component (8) comprising a box body (81), a packing layer (82) arranged in the box body (81), and a spraying member (83) for spraying liquid on the packing layer (82); the box body (81) is provided with a second air inlet (811) and a second air outlet (812); the second air outlet (812) is connected to the first air inlet (101).

6. The dust suppression device for a wood fiber pellet production workshop according to claim 5, characterized in that: The spraying element (83) comprises a spray head (831) and a water pump connected to the spray head (831); a water collection area (813) is provided at the bottom of the box body (81); and the water pump is connected to the water collection area (813) via a pipeline.

7. The dust suppression device for a wood fiber pellet production workshop according to claim 1, characterized in that: A wind shield (15) corresponding to the first air inlet (101) is provided in the first working space (11); a wind guide plate (151) is provided on the windward surface of the wind shield (15); and the cross section of the wind guide plate (151) is triangular.

8. The dust suppression device for a wood fiber pellet production workshop according to claim 1, characterized in that: A drawer (7) for collecting dust is provided at the bottom of the housing (1).

Images