Dust removal device for thermal power generation desulfurization tower

Abstract

The invention discloses a dust removal device for a thermal power generation desulfurization tower, and relates to the technical field of dust removal. The smoke inlet pipe is arranged on the surface of the tower body; the purification device is arranged on the left side of the tower body; one end of the connecting pipe is arranged at the top of the tower body, and the other end of the connecting pipe is arranged at the top of the purification device; the supporting frame is arranged on the inner wall of the tower body; the motor is arranged at the top of the supporting frame; the spiral rod is arranged at the output end of the motor, the contact opportunity of flue gas and the surface of the purification plate can be increased through rotation and up-down movement of the purification plate, so that the particulate matter trapping efficiency is improved, and through movement, the surface of the purification plate continuously makes contact with the flue gas, and particulate matter attached to the surface of the purification plate is removed; therefore, the effect of removing fine particulate matters is improved, and higher dust removal efficiency is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of dust removal, and particularly to a dust removal device for a desulfurization tower of thermal power generation. Background Art

[0002] Thermal power generation is a power generation method that utilizes the heat energy generated when combustibles burn and converts it into electrical energy through a power generation power device.

[0003] A patent with the patent publication number CN220531127U relates to a dust removal device for a desulfurization tower of thermal power generation. A plurality of the support blocks are fixedly installed inside the tower body. Above the plurality of support blocks, a grid frame is fixedly installed. The feed pipe is fixedly installed inside the tower body. The water delivery pipe is fixedly communicated above the tower body. The lower end of the water delivery pipe is fixedly connected with a plurality of spray heads. One end of the water delivery pipe is fixedly installed with a water delivery pump. For this dust removal device for a desulfurization tower of thermal power generation, the rising smoke and dust will pass through the sand and gravel particle layer above the grid frame, and then the dust will be left inside the sand and gravel particle layer. The water delivery pump pumps external clear water and sprays it again through the spray heads. The sand and gravel particles are used to filter and adsorb the dust in the high-temperature smoke and dust of thermal power generation. It can be carried out at a relatively high temperature without damaging the pulse filter cloth dust collector, thereby making the dust removal effect of the dust removal device for a desulfurization tower of thermal power generation better.

[0004] In the above patent, the rising smoke and dust will pass through the sand and gravel particle layer above the grid frame, and then the dust will be left inside the sand and gravel particle layer. The water delivery pump pumps external clear water and sprays it again through the spray heads. The sand and gravel particles are used to filter and adsorb the dust in the high-temperature smoke and dust of thermal power generation. It can be carried out at a relatively high temperature without damaging the pulse filter cloth dust collector, thereby making the dust removal effect of the dust removal device for a desulfurization tower of thermal power generation better. However, the dust may accumulate inside the device, resulting in a reduction in the dust removal effect. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a dust removal device for a desulfurization tower of thermal power generation, which solves the problems put forward in the above background art.

[0006] To achieve the above object, the present invention is realized through the following technical solutions: A dust removal device for a desulfurization tower in thermal power generation, including a tower body which is arranged on the ground; a smoke inlet pipe which is arranged on the surface of the tower body; a purification device which is arranged on the left side of the tower body; a connecting pipe, one end of which is arranged on the top of the tower body and the other end of which is arranged on the top of the purification device; a support frame which is arranged on the inner wall of the tower body; a motor which is arranged on the top of the support frame; a screw rod which is arranged at the output end of the motor; an elastic telescopic rod, a groove is formed inside the screw rod, and the elastic telescopic rod is fixedly installed on the inner wall of the groove; a purification plate which is arranged at the free end of the elastic telescopic rod; a moving frame which is threadedly installed on the surface of the screw rod; an L-shaped frame which is arranged on the surface of the moving frame; a fixing rod which is arranged at the bottom of the support frame; a sliding ball which is arranged at the bottom of the L-shaped frame; a convex block which is arranged on the top of the purification plate. By rotating the purification plate, the rising flue gas is separated from solid particulate matters and other pollutants, improving the dust removal effect. At the same time, the flue gas will enter the purification device through the connecting pipe for purification. When the L-shaped frame moves downward, it will drive the sliding ball to move downward, and the sliding ball moving downward will push the purification plate downward, and the purification plate moving downward will cause the free end of the elastic telescopic rod to move downward.

[0007] According to the above technical solution, the sliding ball is arranged above the purification plate, and the sliding ball is used to push the purification plate downward, and the fixing rod penetrates through the moving frame.

[0008] According to the above technical solution, a scraping device for preventing dust adhesion and a dust falling device for dust falling are arranged on the tower body. The scraping device includes a fixing frame, an elastic telescopic connecting rod and a scraping plate. When the purification plate rotates and moves downward, it will come into contact with the scraping plate during the downward movement. The fixing frame is fixedly installed on the inner wall of the tower body, the elastic telescopic connecting rod is fixedly installed on the top of the fixing frame, and the scraping plate is fixedly installed at the free end of the elastic telescopic connecting rod.

[0009] According to the above technical solution, an L-shaped plate is fixedly installed at the free end of the elastic telescopic connecting rod, a water storage tank is fixedly installed on the surface of the tower body, a rotating spray pipe is rotatably installed on the surface of the water storage tank, and a short plate is fixedly installed on the surface of the rotating spray pipe. When the purification plate moves downward, it will push the scraping plate downward, and the scraping plate moving downward will push the free end of the elastic telescopic connecting rod to contract.

[0010] According to the above technical solution, a first torsion spring is arranged between the water storage tank and the rotating spray pipe. The first torsion spring drives the rotating spray pipe to reset. When the L-shaped plate is separated from the short plate, the self-elastic force of the first torsion spring will drive the rotating spray pipe to reset. The L-shaped plate is arranged above the short plate.

[0011] According to the above technical solution, the dust-removing device includes an arc-shaped plate, a filter plate and a scraping rod. The rotation of the rotating nozzle drives the rotation of the filter plate. During the rotation of the filter plate, it will come into contact with the arc-shaped plate, and the arc-shaped plate will push the filter plate to move away from the arc-shaped plate. The arc-shaped plate is fixedly installed on the inner wall of the tower body, the filter plate is slidably installed on the surface of the rotating nozzle, and the scraping rod is fixedly installed on the inner wall of the tower body.

[0012] According to the above technical solution, an L-shaped rod is fixedly installed at the fixed end of the elastic telescopic connecting rod, a rotating plate is rotatably installed on the inner wall of the scraping plate, a baffle is fixedly installed on the surface of the rotating plate, and when the baffle moves downward, it will come into contact with the L-shaped rod, and the L-shaped rod will push the baffle to rotate upward, and the upward rotation of the baffle will drive the rotating plate to rotate downward.

[0013] According to the above technical solution, a first spring is arranged between the filter plate and the rotating nozzle. The first spring drives the filter plate to reset. When the arc-shaped plate is separated from the filter plate, the elastic force of the first spring itself will drive the filter plate to reset. A second torsion spring is arranged between the scraping plate and the rotating plate. The second torsion spring drives the rotating plate to reset. When the L-shaped rod is separated from the baffle, the elastic force of the second torsion spring will reset the rotating plate.

[0014] The present invention provides a dust-removing device for a desulfurization tower of thermal power generation. It has the following beneficial effects: (1) In this invention, the rotation of the motor drives the rotation of the screw rod, the rotation of the screw rod drives the rotation of the elastic telescopic rod, the rotation of the elastic telescopic rod drives the rotation of the purification plate. Through the rotation of the purification plate, the rising flue gas is separated from solid particles and other pollutants, improving the dust-removing effect. At the same time, the flue gas will enter the purification device through the connecting pipe to purify the flue gas.

[0015] (2) In this invention, the rotation and up-and-down movement of the purification plate can increase the contact opportunity between the flue gas and the surface of the purification plate, thereby enhancing the capture efficiency of particulate matter. Through the movement, the surface of the purification plate continuously contacts the flue gas and removes the particulate matter adhering to its surface, which helps to improve the removal effect of fine particulate matter and ensure a higher dust-removing efficiency. During the rotation of the purification plate, it will come into contact with the convex block. The vibration is generated by the contact between the sliding ball and the convex block, and the impurities adhering to the purification plate are shaken off through the vibration, improving the service life of the purification plate.

[0016] (3) In this invention, when the purification plate rotates and moves downward, it will come into contact with the scraping plate during the downward movement. When the purification plate rotates, the scraping plate will scrape off the impurities adhering to the purification plate, improving the service life of the purification plate. The downward movement of the L-shaped plate will push the short plate downward, and the downward movement of the short plate will drive the rotation of the rotating nozzle, and the rotation of the rotating nozzle will increase the spraying range and improve the dust-removing effect.

[0017] (4) In this invention, the rotation of the rotating nozzle drives the rotation of the filter plate. During the rotation of the filter plate, it will come into contact with the arc-shaped plate, and the arc-shaped plate will push the filter plate to move away from the arc-shaped plate. By moving the filter plate back and forth, when the rotating nozzle sprays, it can comprehensively wash the filter plate, preventing impurities from adhering to the dead corners of the washing by the rotating nozzle and affecting the washing effect. When the rotating plate rotates downward, it will push the impurities adhering to the scraping plate, preventing the impurities from adhering to the scraping plate and affecting the scraping effect on the scraping plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic diagram of the overall sectional structure of the present invention; Figure 3 is a schematic diagram of the sectional structure of the purification plate and the screw rod of the present invention; Figure 4 is a schematic diagram of the structure of the fixing frame and the elastic telescopic connecting rod of the present invention; Figure 5 is a schematic diagram of the structure of the arc-shaped plate and the tower body of the present invention; Figure 6 For the present invention Figure 5 is an enlarged schematic diagram of the structure of part A in; Figure 7 is a schematic diagram of the structure of the elastic telescopic connecting rod and the L-shaped rod of the present invention.

[0019] In the figure: 1, tower body; 2, smoke inlet pipe; 3, purification device; 4, connecting pipe; 5, support frame; 6, motor; 7, screw rod; 8, elastic telescopic rod; 9, purification plate; 10, moving frame; 11, L-shaped frame; 12, fixed rod; 13, sliding ball; 14, convex block; 151, fixing frame; 152, elastic telescopic connecting rod; 153, scraping plate; 154, L-shaped plate; 155, water storage tank; 156, rotating nozzle; 157, short plate; 161, arc-shaped plate; 162, filter plate; 163, scraping rod; 164, L-shaped rod; 165, rotating plate; 166, baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1 - 4, an embodiment of the present invention is: a dust removal device for a desulfurization tower in thermal power generation, including a tower body 1 which is set on the ground; a smoke inlet pipe 2 which is arranged on the surface of the tower body 1; a purification device 3 which is set on the left side of the tower body 1; a connecting pipe 4, one end of the connecting pipe 4 is arranged on the top of the tower body 1, and the other end of the connecting pipe 4 is arranged on the top of the purification device 3; a support frame 5 which is set on the inner wall of the tower body 1; a motor 6 which is set on the top of the support frame 5; a screw rod 7 which is arranged at the output end of the motor 6; an elastic telescopic rod 8, a groove is formed inside the screw rod 7, and the elastic telescopic rod 8 is fixedly installed on the inner wall of the groove; a purification plate 9 which is set at the free end of the elastic telescopic rod 8; a moving frame 10 which is threadedly installed on the surface of the screw rod 7; an L-shaped frame 11 which is set on the surface of the moving frame 10; a fixed rod 12 which is set at the bottom of the support frame 5; a sliding ball 13 which is set at the bottom of the L-shaped frame 11; a convex block 14 which is set on the top of the purification plate 9. By the rotation and up-and-down movement of the purification plate 9, the contact opportunity between the flue gas and the surface of the purification plate 9 can be increased, thereby enhancing the capture efficiency of particulate matter. Through the movement, the surface of the purification plate 9 continuously contacts the flue gas and removes the particulate matter adhering to its surface, which helps to improve the removal effect of fine particulate matter and ensure a higher dust removal efficiency.

[0022] The sliding ball 13 is arranged above the purification plate 9, and the purification plate 9 is pushed downward by the sliding ball 13. The fixed rod 12 penetrates through the moving frame 10.

[0023] During the operation of this embodiment: the flue gas generated during the coal combustion process in a thermal power plant is introduced into the smoke inlet pipe 2. The motor 6 is started. The rotation of the motor 6 drives the screw rod 7 to rotate. The rotation of the screw rod 7 drives the elastic telescopic rod 8 to rotate. The rotation of the elastic telescopic rod 8 drives the purification plate 9 to rotate. Through the rotation of the purification plate 9, the rising flue gas is separated from solid particulate matter and other pollutants, improving the dust removal effect. At the same time, the flue gas enters the purification device 3 through the connecting pipe 4 for purification. At the same time, the rotation of the screw rod 7 drives the moving frame 10 to move downward. The downward movement of the moving frame 10 drives the L-shaped frame 11 to move downward. The downward movement of the L-shaped frame 11 drives the sliding ball 13 to move downward. The downward movement of the sliding ball 13 pushes the purification plate 9 downward. The downward movement of the purification plate 9 causes the free end of the elastic telescopic rod 8 to move downward. By the rotation and up-and-down movement of the purification plate 9, the contact opportunity between the flue gas and the surface of the purification plate 9 can be increased, thereby enhancing the capture efficiency of particulate matter. Through the movement, the surface of the purification plate 9 continuously contacts the flue gas and removes the particulate matter adhering to its surface, which helps to improve the removal effect of fine particulate matter and ensure a higher dust removal efficiency. During the rotation of the purification plate 9, it will contact the convex block 14. Vibration is generated by the contact between the sliding ball 13 and the convex block 14, and the impurities adhering to the purification plate 9 are shaken off through the vibration, improving the service life of the purification plate 9.

[0024] Please refer to Figures 1 - 7 , on the basis of the above embodiment, in another embodiment of the present invention, a scraping device for preventing dust adhesion and a dust reduction device for reducing dust are provided on the tower body 1. The scraping device includes a fixing frame 151, an elastic telescopic link 152 and a scraping plate 153. The fixing frame 151 is fixedly installed on the inner wall of the tower body 1, the elastic telescopic link 152 is fixedly installed on the top of the fixing frame 151, and the scraping plate 153 is fixedly installed at the free end of the elastic telescopic link 152. When the purification plate 9 rotates, the scraping plate 153 will scrape off the impurities adhering to the purification plate 9, thereby improving the service life of the purification plate 9.

[0025] An L-shaped plate 154 is fixedly installed at the free end of the elastic telescopic link 152. A water storage tank 155 is fixedly installed on the surface of the tower body 1. A rotating spray pipe 156 is rotatably installed on the surface of the water storage tank 155. A short plate 157 is fixedly installed on the surface of the rotating spray pipe 156. When the free end of the elastic telescopic link 152 contracts, it will drive the L-shaped plate 154 to move downward. The downward movement of the L-shaped plate 154 will push the short plate 157 to move downward. The downward movement of the short plate 157 will drive the rotating spray pipe 156 to rotate. The rotation of the rotating spray pipe 156 will increase the spraying range and improve the dust reduction effect.

[0026] A first torsion spring is provided between the water storage tank 155 and the rotating spray pipe 156 to drive the rotating spray pipe 156 to reset through the first torsion spring. When the L-shaped plate 154 is separated from the short plate 157, the elastic force of the first torsion spring itself will drive the rotating spray pipe 156 to reset. The L-shaped plate 154 is arranged above the short plate 157.

[0027] The dust reduction device includes an arc-shaped plate 161, a filter plate 162 and a scraping rod 163. The arc-shaped plate 161 is fixedly installed on the inner wall of the tower body 1. The filter plate 162 is slidably installed on the surface of the rotating spray pipe 156. The scraping rod 163 is fixedly installed on the inner wall of the tower body 1. By moving the filter plate 162 back and forth, the rotating spray pipe 156 can fully wash the filter plate 162 during spraying, preventing impurities from adhering to the dead angle of the rotating spray pipe 156 during washing and affecting the washing effect.

[0028] An L-shaped rod 164 is fixedly installed at the fixed end of the elastic telescopic link 152. A rotating plate 165 is rotatably installed on the inner wall of the scraping plate 153. A baffle 166 is fixedly installed on the surface of the rotating plate 165. By rotating the rotating plate 165 downward, the impurities adhering to the scraping plate 153 are pushed, preventing the impurities from adhering to the scraping plate 153 and affecting the scraping effect of the scraping plate 153.

[0029] A first spring is provided between the filter plate 162 and the rotary spray pipe 156. The first spring drives the filter plate 162 to reset. When the arc-shaped plate 161 is separated from the filter plate 162, the elastic force of the first spring itself will drive the filter plate 162 to reset. A second torsion spring is provided between the scraper 153 and the rotating plate 165. The second torsion spring drives the rotating plate 165 to reset. When the L-shaped rod 164 is separated from the baffle 166, the elastic force of the second torsion spring itself will drive the rotating plate 165 to reset.

[0030] When this embodiment works: the purification plate 9 rotates and moves downward. During the downward movement, it will contact the scraper 153. When the purification plate 9 rotates, the scraper 153 will scrape off the impurities adhering to the purification plate 9, improving the service life of the purification plate 9. At the same time, when the purification plate 9 moves downward, it will push the scraper 153 downward. The downward movement of the scraper 153 will cause the free end of the elastic telescopic link 152 to contract. The contraction of the free end of the elastic telescopic link 152 will drive the L-shaped plate 154 to move downward. The downward movement of the L-shaped plate 154 will push the short plate 157 downward. The downward movement of the short plate 157 will drive the rotary spray pipe 156 to rotate. The rotation of the rotary spray pipe 156 will increase the spraying range and improve the dust suppression effect.

[0031] The rotation of the rotary spray pipe 156 drives the rotation of the filter plate 162. During the rotation of the filter plate 162, it will contact the arc-shaped plate 161. The arc-shaped plate 161 will push the filter plate 162 to move away from the arc-shaped plate 161. Through the reciprocating movement of the filter plate 162, when the rotary spray pipe 156 sprays, it can comprehensively wash the filter plate 162, preventing impurities from adhering to the dead angle of the rotary spray pipe 156 during washing and affecting the washing effect. At the same time, when the rotary spray pipe 156 rotates, it will drive the filter plate 162 to rotate. The rotation of the filter plate 162 will contact the scraping rod 163, and the scraping rod 163 will scrape off the adhering impurities, improving the spraying effect. At the same time, the downward movement of the scraper 153 will drive the rotating plate 165 and the baffle 166 to move downward. The downward movement of the baffle 166 will contact the L-shaped rod 164, and the L-shaped rod 164 will push the baffle 166 to rotate upward. The upward rotation of the baffle 166 will drive the rotating plate 165 to rotate downward. By the downward rotation of the rotating plate 165, the impurities adhering to the scraper 153 are pushed, preventing the impurities from adhering to the scraper 153 and affecting the scraping effect on the scraper 153.

[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and deformations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust removal device for a desulfurization tower in thermal power generation, characterized in that: Dust removal device for a thermal power generation desulfurization tower, comprising: A tower body (1), the tower body (1) being disposed on the ground; An inlet smoke pipe (2), the inlet smoke pipe (2) being disposed on the surface of the tower body (1); A purification device (3), the purification device (3) being disposed on the left side of the tower body (1); A connecting pipe (4), one end of the connecting pipe (4) being disposed on the top of the tower body (1), and the other end of the connecting pipe (4) being disposed on the top of the purification device (3); A support frame (5), the support frame (5) being disposed on the inner wall of the tower body (1); A motor (6), the motor (6) being disposed on the top of the support frame (5); A screw rod (7), the screw rod (7) being disposed at the output end of the motor (6); An elastic telescopic rod (8), a groove being formed inside the screw rod (7), and the elastic telescopic rod (8) being fixedly installed on the inner wall of the groove; A purification plate (9), the purification plate (9) being disposed at the free end of the elastic telescopic rod (8); A moving frame (10), the moving frame (10) being threadedly installed on the surface of the screw rod (7); An L-shaped frame (11), the L-shaped frame (11) being disposed on the surface of the moving frame (10); A fixing rod (12), the fixing rod (12) being disposed at the bottom of the support frame (5); A sliding ball (13), the sliding ball (13) being disposed at the bottom of the L-shaped frame (11); A convex block (14), the convex block (14) being disposed on the top of the purification plate (9).

2. The dust removal device for a desulfurization tower of thermal power generation according to claim 1, characterized in that: The sliding ball (13) is disposed above the purification plate (9), the fixing rod (12) penetrates through the moving frame (10), and a scraping device for preventing dust adhesion and a dust reduction device for dust reduction are disposed on the tower body (1).

3. The dust removal device for a desulfurization tower in thermal power generation according to claim 2, characterized in that: The scraping device includes a fixing frame (151), an elastic telescopic link (152) and a scraping plate (153), the fixing frame (151) being fixedly installed on the inner wall of the tower body (1), the elastic telescopic link (152) being fixedly installed on the top of the fixing frame (151), and the scraping plate (153) being fixedly installed at the free end of the elastic telescopic link (152).

4. The dust removal device for a desulfurization tower in thermal power generation according to claim 3, characterized in that: An L-shaped plate (154) is fixedly installed at the free end of the elastic telescopic link (152), a water storage tank (155) is fixedly installed on the surface of the tower body (1), a rotating spray pipe (156) is rotatably installed on the surface of the water storage tank (155), and a short plate (157) is fixedly installed on the surface of the rotating spray pipe (156).

5. The dust removal device for a desulfurization tower in thermal power generation according to claim 4, characterized in that: A first torsion spring is disposed between the water storage tank (155) and the rotating spray pipe (156), and the L-shaped plate (154) is disposed above the short plate (157).

6. The dust removal device for a desulfurization tower of thermal power generation according to claim 5, characterized in that: The dust reduction device includes an arc-shaped plate (161), a filter plate (162) and a scraping rod (163), the arc-shaped plate (161) being fixedly installed on the inner wall of the tower body (1), the filter plate (162) being slidably installed on the surface of the rotating spray pipe (156), and the scraping rod (163) being fixedly installed on the inner wall of the tower body (1).

7. The dust removal device for a desulfurization tower in thermal power generation according to claim 6, characterized in that: An L-shaped rod (164) is fixedly installed at the fixed end of the elastic telescopic link (152), a rotating plate (165) is rotatably installed on the inner wall of the scraping plate (153), and a baffle (166) is fixedly installed on the surface of the rotating plate (165).

8. The dust removal device for a desulfurization tower in thermal power generation according to claim 7, characterized in that: A first spring is provided between the filter plate (162) and the rotary nozzle (156), and a second torsion spring is provided between the scraping plate (153) and the rotating plate (165).

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