Dust removal device for flue gas desulfurization

Abstract

The dust removal device comprises a dust removal box, two sets of detachable filter screens are arranged at the upper end of an inner cavity of the dust removal box, the bottom of the set of filter screens at the lower end can be cleaned through a cleaning piece, the cleaning piece is in sliding connection with a first rotating rod, and the first rotating rod penetrates through the two sets of filter screens and the top end of the dust removal box. The first rotating rod is driven by the driving assembly to rotate, so that the sweeping piece can be driven to rotate, the bottom of the group of filter screens at the lower end can be swept, the filter screens are prevented from being blocked, and when the sweeping piece is abraded, the sweeping piece is not damaged. The height of the cleaning part is adjusted through the adjusting assembly, so that the cleaning part can be always attached to the bottom of the set of filter screens at the lower end, a good cleaning effect can be achieved, and compared with the prior art, the height of the cleaning part can be adjusted regularly according to abrasion of the cleaning part.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal devices, in particular to a dust removal device for flue gas desulfurization. Background Art

[0002] A dust removal device for flue gas desulfurization usually refers to a special equipment for removing harmful gases such as sulfur dioxide and particulate matter from the flue gas generated in the industrial production process. It uses physical and chemical methods to remove particulate matter and sulfides in the flue gas to achieve the purpose of purifying the flue gas, so a dust removal device is used.

[0003] The dust removal device in the prior art generally uses a filter to filter dust, and in order to prevent the filter from being blocked, a brush can be used to automatically brush the filter. However, the long-term friction between the brush and the filter will cause wear and tear, and the brush will gradually be unable to contact the filter, resulting in the inability to effectively brush the filter, thereby affecting the cleaning effect of the filter. For this reason, we propose a dust removal device for flue gas desulfurization. Utility Model Content

[0004] The purpose of the utility model is to provide a dust removal device for flue gas desulfurization to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust removal device for flue gas desulfurization, comprising a dust removal box, wherein two groups of detachable filter screens are arranged at the upper end of the inner cavity of the dust removal box, wherein the bottom of the group of filter screens at the lower end can be cleaned by a cleaning piece, and the cleaning piece is slidably connected to a first rotating rod, and the first rotating rod penetrates the two groups of filter screens and the top of the dust removal box, and is sealed and rotatably connected thereto, the cleaning piece can be height-adjusted by an adjusting component, and the first rotating rod can be rotated by a driving component.

[0006] Preferably, the cleaning member includes a second rotating rod and a brush, the brush is installed at the bottom end of the second rotating rod, the second rotating rod is a rectangular structural member, and the top end thereof penetrates the first rotating rod and is connected to the adjusting assembly.

[0007] Preferably, the adjustment assembly includes an adjustment bolt and a first support member, the top end of the second rotating rod is rotatably connected to the adjustment bolt, the adjustment bolt is threadedly connected to the first support member, and the first support member is installed on the outside of the top end of the dust removal box.

[0008] Preferably, the driving assembly includes a motor, a first gear and a second gear. The motor is installed at the bottom end of one side of the first support member, the output end of the motor is connected to the first gear, the first gear is meshed with the second gear, the second gear is sleeved on the outside of the top end of the first rotating rod, and the first rotating rod is a cylindrical structural member.

[0009] Preferably, two groups of second support members are installed at the upper end of the inner cavity of the dust removal box, and the filter screen is connected to the second support members by screws, and the screws are arranged in four groups at equal intervals in a circle.

[0010] Preferably, a hopper is arranged at the bottom of the dust removal box, an open end of the hopper is closed by a blocking member, and a third support member is installed on the outer wall of the bottom of the dust removal box.

[0011] Preferably, an air inlet pipe is installed through the outer wall of the lower end of the dust removal box, and an exhaust pipe is installed through the top end of the dust removal box.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model drives the first rotating rod to rotate through the driving component, which can drive the cleaning piece to rotate, and clean the bottom of a group of filters at the lower end to prevent them from being blocked. When the cleaning piece is worn, the height of the cleaning piece can be adjusted by adjusting the component so that it can always fit the bottom of the group of filters at the lower end, which can achieve a good cleaning effect. Compared with the prior art, the height of the cleaning piece can be adjusted regularly according to the wear of the cleaning piece, so that it can better fit the filter and maintain a good cleaning effect.

[0014] 2. The filter of the utility model can filter the desulfurized flue gas. Since the second rotating rod is rotatably connected with the adjusting bolt, and the second rotating rod is a rectangular structure, when the first rotating rod rotates, the second rotating rod can be driven to rotate without interfering with the adjusting component. By starting the motor, the first gear is driven to rotate, and the second gear meshing with it is rotated, which can drive the first rotating rod to rotate, and then the second rotating rod is rotated, driving the brush to clean the bottom of a group of filters at the lower end. By rotating the adjusting bolt, since it is threadedly connected with the first support member, the adjusting bolt can move up and down along the first support member, and then the second rotating rod is pulled to move up and down, and the height of the brush can be adjusted so that it can better fit the bottom of the filter.

[0015] 3. The second support member of the utility model is used to support the filter and fix the filter with screws. When the filter is blocked, it can be removed and replaced. The filtered and cleaned ash will fall into the hopper for collection. By removing the blockage of the hopper open end with the blocking member, the ash can be cleaned, the desulfurized flue gas is introduced through the air inlet pipe, and the filtered desulfurized flue gas is discharged through the exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of the overall structure of the utility model;

[0017] Figure 2It is an enlarged view of structure A of the utility model;

[0018] Figure 3 It is a schematic diagram of the overall structure of the utility model.

[0019] In the figure: 1. dust removal box, 2. filter, 3. cleaning part, 4. first rotating rod, 5. second rotating rod, 6. brush, 7. adjusting bolt, 8. first supporting member, 9. motor, 10. first gear, 11. second gear, 12. second supporting member, 13. screw, 14. hopper, 15. blocking member, 16. third supporting member, 17. air inlet pipe, 18. exhaust pipe. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] Please refer to Figure 1-3 As shown, the utility model provides a dust removal device for flue gas desulfurization, including a dust removal box 1, two groups of detachable filter screens 2 are arranged at the upper end of the inner cavity of the dust removal box 1, wherein the bottom of a group of filter screens 2 at the lower end can be cleaned by a cleaning piece 3, the cleaning piece 3 is slidably connected to a first rotating rod 4, the first rotating rod 4 penetrates the two groups of filter screens 2 and the top of the dust removal box 1, and is sealed and rotatably connected thereto, the cleaning piece 3 can be height-adjusted by an adjusting component, and the first rotating rod 4 can be rotated by a driving component.

[0023] In this embodiment, the first rotating rod 4 is driven to rotate by the driving component, so that the cleaning piece 3 can be driven to rotate, so as to clean the bottom of the group of filters 2 at the lower end to prevent it from being blocked. When the cleaning piece 3 is worn, the height of the cleaning piece 3 is adjusted by adjusting the component so that it can always fit the bottom of the group of filters 2 at the lower end, which can achieve a good cleaning effect. Compared with the prior art, the height of the cleaning piece 3 can be adjusted regularly according to the wear of the cleaning piece 3, so that it can better fit with the filter 2 and maintain a good cleaning effect.

[0024] Please refer to Figure 1-3As shown, the cleaning member 3 includes a second rotating rod 5 and a brush 6. The brush 6 is installed at the bottom end of the second rotating rod 5. The second rotating rod 5 is a rectangular structure, and its top end penetrates the first rotating rod 4 and is connected to the adjusting assembly. The adjusting assembly includes an adjusting bolt 7 and a first support member 8. The top end of the second rotating rod 5 is rotatably connected to the adjusting bolt 7. The adjusting bolt 7 is threadedly connected to the first support member 8. The first support member 8 is installed on the outside of the top of the dust removal box 1. The driving assembly includes a motor 9, a first gear 10 and a second gear 11. The motor 9 is installed at the bottom end of one side of the first support member 8. The output end of the motor 9 is connected to the first gear 10. The first gear 10 is meshed with the second gear 11. The second gear 11 is sleeved on the outside of the top end of the first rotating rod 4. The first rotating rod 4 is a cylindrical structure.

[0025] In this embodiment, the filter 2 can filter the desulfurized flue gas. Since the second rotating rod 5 is rotatably connected to the adjusting bolt 7, and the second rotating rod 5 is a rectangular structure, when the first rotating rod 4 rotates, the second rotating rod 5 can be driven to rotate without interfering with the adjusting component. By starting the motor 9, the first gear 10 is driven to rotate, and the second gear 11 meshing with it is rotated, which can drive the first rotating rod 4 to rotate, and then the second rotating rod 5 is rotated, driving the brush 6 to clean the bottom of the lower group of filter screens 2. By rotating the adjusting bolt 7, since it is threadedly connected to the first support member 8, the adjusting bolt 7 can move up and down along the first support member 8, and then pull the second rotating rod 5 to move up and down, and the height of the brush 6 can be adjusted so that it can better fit the bottom of the filter screen 2.

[0026] Please refer to Figure 1-3 As shown, two groups of second support members 12 are installed at the upper end of the inner cavity of the dust removal box 1, the filter screen 2 is connected to the second support member 12 by screws 13, four groups of screws 13 are equidistantly arranged in a circle, a hopper 14 is arranged at the bottom of the dust removal box 1, the open end of the hopper 14 is closed by a blocking member 15, a third support member 16 is installed on the outer wall of the bottom of the dust removal box 1, an air inlet pipe 17 is installed through the outer wall of the lower end of the dust removal box 1, and an exhaust pipe 18 is installed through the top of the dust removal box 1.

[0027] In this embodiment, the second support member 12 is used to support the filter 2, and the filter 2 is fixed by screws 13. When the filter 2 is blocked, it can be removed and replaced. The filtered and cleaned ash will fall into the hopper 14 for collection. By releasing the blockage of the opening end of the hopper 14 by the sealing member 15, the ash can be cleaned, and the desulfurized flue gas is introduced through the air inlet pipe 17, and the filtered desulfurized flue gas is discharged through the exhaust pipe 18.

[0028] Working principle: First, the second support member 12 is used to support the filter screen 2, and the filter screen 2 is fixed by the screw 13. When the filter screen 2 is blocked, it can be removed for replacement. The filtered and cleaned ash will fall into the hopper 14 for collection. By removing the blockage of the blocking member 15 on the open end of the hopper 14, the ash can be cleaned, and the desulfurized flue gas is introduced through the intake pipe 17, and the filtered desulfurized flue gas is discharged from the exhaust pipe 18. The filter screen 2 can filter the desulfurized flue gas. Since the second rotating rod 5 is rotatably connected to the adjusting bolt 7, and the second rotating rod 5 is a rectangular structural member, when the first rotating rod 4 is rotated, To drive the second rotating rod 5 to rotate without causing interference to the adjusting component, by starting the motor 9, driving the first gear 10 to rotate, and making the second gear 11 meshing with it rotate, the first rotating rod 4 can be driven to rotate, and then the second rotating rod 5 can be rotated, driving the brush 6 to clean the bottom of the lower group of filter screens 2, by rotating the adjusting bolt 7, since it is threadedly connected to the first supporting member 8, the adjusting bolt 7 can be moved up and down along the first supporting member 8, and then the second rotating rod 5 can be pulled up and down, and the height of the brush 6 can be adjusted so that it can better fit the bottom of the filter screen 2, thereby maintaining a good cleaning effect.

[0029] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dust removal device for flue gas desulfurization, comprising a dust removal box (1), characterized in that: Two groups of detachable filters (2) are arranged at the upper end of the inner cavity of the dust removal box (1), wherein the bottom of the group of filters (2) at the lower end can be cleaned by a cleaning member (3), and the cleaning member (3) is slidably connected to a first rotating rod (4), and the first rotating rod (4) penetrates the two groups of filters (2) and the top of the dust removal box (1), and is sealed and rotatably connected thereto, and the cleaning member (3) can be height-adjusted by an adjusting component, and the first rotating rod (4) can be rotated by a driving component.

2. A dust removal device for flue gas desulfurization according to claim 1, characterized in that: The cleaning member (3) comprises a second rotating rod (5) and a brush (6); the brush (6) is mounted at the bottom end of the second rotating rod (5); the second rotating rod (5) is a rectangular structural member, and its top end penetrates the first rotating rod (4) and is connected to the adjustment component.

3. A dust removal device for flue gas desulfurization according to claim 2, characterized in that: The adjustment assembly comprises an adjustment bolt (7) and a first support member (8); the top end of the second rotating rod (5) is rotatably connected to the adjustment bolt (7); the adjustment bolt (7) is threadedly connected to the first support member (8); and the first support member (8) is mounted on the outside of the top end of the dust removal box (1).

4. A dust removal device for flue gas desulfurization according to claim 3, characterized in that: The driving assembly comprises a motor (9), a first gear (10) and a second gear (11); the motor (9) is mounted at the bottom end of one side of the first support member (8); the output end of the motor (9) is connected to the first gear (10); the first gear (10) is meshed with the second gear (11); the second gear (11) is sleeved on the outside of the top end of the first rotating rod (4); and the first rotating rod (4) is a cylindrical structural member.

5. A dust removal device for flue gas desulfurization according to claim 1, characterized in that: Two groups of second support members (12) are installed at the upper end of the inner cavity of the dust removal box (1), and the filter screen (2) is connected to the second support member (12) via screws (13). Four groups of the screws (13) are equidistantly arranged in a circle.

6. A dust removal device for flue gas desulfurization according to claim 1, characterized in that: A hopper (14) is arranged at the bottom of the dust removal box (1), the open end of the hopper (14) is closed by a blocking member (15), and a third support member (16) is installed on the outer wall of the bottom of the dust removal box (1).

7. A dust removal device for flue gas desulfurization according to claim 1, characterized in that: An air inlet pipe (17) is installed through the outer wall of the lower end of the dust removal box (1), and an exhaust pipe (18) is installed through the top end of the dust removal box (1).

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