Boiler flue gas desulfurization tower

Abstract

The utility model discloses a boiler flue gas desulfurization tower which comprises a tower body and a base, the upper end face of the base is fixedly connected with a motor, the output end of the motor is fixedly connected with a connecting shaft, the outer wall of the upper end and the outer wall of the lower end of the connecting shaft are each fixedly connected with two symmetrically-distributed sleeves, and connecting rods are connected into the four sleeves in a sleeved mode. The outer walls of the four connecting rods are hinged to hinged supports, the outer walls of the two hinged supports located on the same side are fixedly connected with mounting plates, the outer walls of the two mounting plates are fixedly connected with scrapers, the connecting rods are driven by the motor to rotate, so that the scrapers are driven to scrape the inner wall of the tower body, and the situation that scale is accumulated on the inner wall of the tower body, and the desulfurization effect is affected is prevented; the upper and lower ends of the upper and lower mounting plates can rotate when the upper and lower inner diameters of the tower body are different through the hinged supports hinged to the outer walls of the connecting rods, the situation that the rotating mechanism is blocked due to dirt on the inner wall of the tower body is prevented, the motor drives the blades to continuously stir gas, the gas-liquid contact area is increased, and the desulfurization tower has the advantages of being capable of automatically cleaning the inner wall and good in desulfurization effect.

Description

Technical Field

[0001] The utility model relates to the technical field of desulfurization towers, in particular to a boiler flue gas desulfurization tower. Background Art

[0002] The desulfurization tower is a tower-type equipment for desulfurization of industrial waste gas. The desulfurization tower was originally built with granite and was most widely used. It uses the principle of water film desulfurization and dust removal, and is also known as granite water film desulfurization and dust removal device, or granite water film desulfurization and dust removal device.

[0003] During the long-term use of the existing boiler flue gas desulfurization tower, the spray liquid contacts the dust in the gas to produce scale, which is adsorbed on the tower wall. This will not only corrode the tower wall and reduce the service life of the desulfurization tower, but also the gradual accumulation of scale will cause the volume of the tower to continue to decrease, affecting the desulfurization effect. Therefore, it is necessary to clean these scales regularly. The cleaning work basically relies on manual labor, which is time-consuming and laborious. In addition, cleaning these scales requires shutdown, which affects the production of the enterprise. Therefore, a boiler flue gas desulfurization tower is needed that can automatically clean the inner wall of the tower body without stopping the machine. Utility Model Content

[0004] To achieve the above-mentioned purpose, the utility model provides a boiler flue gas desulfurization tower, which uses a motor to drive a scraper to continuously scrape the inner wall of the tower body, and uses a motor to drive blades to continuously stir the gas to increase the gas-liquid contact area. It has the characteristics of automatically cleaning the inner wall and good desulfurization effect.

[0005] The utility model is implemented as follows: a boiler flue gas desulfurization tower comprises a tower body and a base, the lower left side of the tower body is connected with an air inlet, the upper end of the tower body is connected with an air outlet, the upper end surface of the base is fixedly connected with a motor, the output end of the motor is fixedly connected with a connecting shaft, the connecting shaft passes through the bottom end of the tower body and extends to the inside of the tower body and is rotatably connected with the tower body, the upper end outer wall and the lower end outer wall of the connecting shaft are fixedly connected with two symmetrically distributed sleeves, the insides of the four sleeves are sleeved with connecting rods, the outer walls of the four connecting rods are hinged with hinge seats, the outer walls of the two hinge seats on the same side are fixedly connected with mounting plates, the outer walls of the two mounting plates are fixedly connected with scrapers, and the two scrapers are in close contact with the inner wall of the tower body;

[0006] The upper end surface of the base is located on the right side of the tower body and is fixedly connected to a slurry water pool. The upper end surface of the base is located between the tower body and the slurry water pool and is fixedly connected to a water pump. The water outlet of the water pump is connected to a water inlet pipe. The water inlet pipe passes through the upper outer wall of the tower body and extends to the interior of the tower body. The water inlet of the water pump is connected to the slurry water pool.

[0007] A spiral tube is fixedly connected to the upper end of the inner wall of the tower body, a plurality of evenly distributed nozzles are arranged on the outer wall of the bottom end of the spiral tube, a filter is fixedly connected between adjacent tube walls of the spiral tube, and the water inlet pipe is connected to the spiral tube.

[0008] In order to facilitate stirring of the gas and improve the desulfurization effect, as a preferred boiler flue gas desulfurization tower of the utility model, the outer wall of the connecting shaft is located between the two sleeves and is fixedly connected to two symmetrically distributed blades.

[0009] In order to keep the scraper in close contact with the inner wall of the tower body at all times, as a preferred boiler flue gas desulfurization tower of the utility model, the outer wall of the connecting shaft located inside the sleeve is fixedly connected with a spring, and the other end of the spring is fixedly connected to the connecting rod.

[0010] In order to facilitate sewage discharge, as a preferred boiler flue gas desulfurization tower of the utility model, the bottom end of the tower body is connected to a sewage outlet.

[0011] In order to facilitate the support of the tower body, a motor is installed at the bottom of the tower body. As a preferred boiler flue gas desulfurization tower of the utility model, the bottom end of the tower body is fixedly connected to four circumferentially distributed legs, and the four legs are fixedly connected to the base.

[0012] In order to discharge waste cleanly, as a preferred boiler flue gas desulfurization tower of the utility model, the bottom end of the tower body is funnel-shaped.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The boiler flue gas desulfurization tower has a motor fixedly connected to the upper end surface of the base, a coupling shaft fixedly connected to the output end of the motor, the coupling shaft passes through the bottom end of the tower body and extends to the inside of the tower body and is rotatably connected to the tower body, the upper and lower outer walls of the coupling shaft are fixedly connected to two symmetrically distributed sleeves, the insides of the four sleeves are all sleeved with connecting rods, the outer walls of the four connecting rods are hinged with hinge seats, the outer walls of the two hinge seats on the same side are fixedly connected to mounting plates, the outer walls of the two mounting plates are fixedly connected to scrapers, and the two scrapers are fixed to the inner wall of the tower body. Close contact, the motor drives the connecting shaft to rotate, the connecting shaft drives the sleeve to rotate, and then drives the connecting rod to rotate, thereby driving the scraper to rotate, and scraping the inner wall of the tower body to prevent scale from accumulating on the inner wall of the tower body and affecting the desulfurization effect. Through the hinge seat hinged on the outer wall of the connecting rod, the connecting rods at the upper and lower ends of the mounting plate can be respectively extended and retracted in the corresponding sleeves to prevent the rotating mechanism from being stuck due to scale on the inner wall of the tower body. The motor drives the blades to continuously stir the gas to increase the gas-liquid contact area, which has the characteristics of automatic cleaning of the inner wall and good desulfurization effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the overall structural diagram of a boiler flue gas desulfurization tower of the utility model;

[0016] Figure 2 It is a cross-sectional view of the tower body of the utility model;

[0017] Figure 3 It is a cross-sectional view of the sleeve of the utility model;

[0018] Figure 4 It is a bottom view of the spiral tube of the utility model.

[0019] In the figure, 1. tower body; 2. base; 3. air inlet; 4. air outlet; 5. sewage outlet; 6. outrigger; 7. motor; 8. water inlet pipe; 9. water pump; 10. slurry pool; 11. spiral tube; 12. nozzle; 13. coupling; 14. sleeve; 15. connecting rod; 16. hinge seat; 17. mounting plate; 18. scraper; 19. spring; 20. filter; 21. blade. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0022] See also Figure 1-4 A boiler flue gas desulfurization tower comprises a tower body 1 and a base 2, wherein an air inlet 3 is connected to the lower left side of the tower body 1, an air outlet 4 is connected to the upper end of the tower body 1, a motor 7 is fixedly connected to the upper end surface of the base 2, a coupling shaft 13 is fixedly connected to the output end of the motor 7, the coupling shaft 13 passes through the bottom end of the tower body 1 and extends to the inside of the tower body 1 and is rotatably connected to the tower body 1, the upper end outer wall and the lower end outer wall of the coupling shaft 13 are fixedly connected to two symmetrically distributed sleeves 14, the insides of the four sleeves 14 are sleeved with connecting rods 15, the outer walls of the four connecting rods 15 are hinged with hinge seats 16, the outer walls of the two hinge seats 16 on the same side are fixedly connected to mounting plates 17, the outer walls of the two mounting plates 17 are fixedly connected to scrapers 18, and the two scrapers 18 are in close contact with the inner wall of the tower body 1;

[0023] The upper end surface of the base 2 is located on the right side of the tower body 1 and is fixedly connected to a slurry pool 10. The upper end surface of the base 2 is located between the tower body 1 and the slurry pool 10 and is fixedly connected to a water pump 9. The water outlet of the water pump 9 is connected to a water inlet pipe 8. The water inlet pipe 8 penetrates the upper end outer wall of the tower body 1 and extends to the interior of the tower body 1. The water inlet of the water pump 9 is connected to the slurry pool 10.

[0024] A spiral tube 11 is fixedly connected to the upper end of the inner wall of the tower body 1 , a plurality of evenly distributed nozzles 12 are arranged on the outer wall of the bottom end of the spiral tube 11 , a filter screen 20 is fixedly connected between adjacent tube walls of the spiral tube 11 , and the water inlet pipe 8 is connected to the spiral tube 11 .

[0025] In this embodiment: the motor 7 is started, the motor 7 drives the connecting shaft 13 to rotate, the connecting shaft 13 drives the sleeve 14 to rotate, and then drives the connecting rod 15 to rotate, thereby driving the scraper 18 to rotate, and scraping the inner wall of the tower body 1 to prevent stains from accumulating on the inner wall of the tower body 1 for a long time to form scale, which affects the desulfurization effect. Through the hinge seat 16 hinged on the outer wall of the connecting rod 15, the connecting rod 15 at the upper and lower ends of the mounting plate 17 can be respectively extended and retracted in the corresponding sleeve 14, so as to prevent the rotating mechanism from being stuck due to the scale on the inner wall of the tower body 1;

[0026] Start the water pump 9, which pumps the liquid in the slurry pool 10 into the spiral tube 11 on the top of the tower body 1 through the water inlet pipe 8, and sprays it out from the nozzle 12 to spray and desulfurize the gas inside the tower body 1, and filters the dust in the gas through the filter screen 20 to prevent direct discharge and pollution of the environment.

[0027] As a technical optimization solution of the present utility model, the outer wall of the coupling shaft 13 is located between the two sleeves 14 and is fixedly connected with two symmetrically distributed blades 21 .

[0028] In this embodiment: the motor 7 is started, and the motor 7 drives the connecting shaft 13 to rotate, thereby driving the two blades 21 to rotate, continuously stirring the gas inside the tower body 1, increasing the contact area between the gas and the spraying liquid, and improving the desulfurization effect.

[0029] As a technical optimization solution of the utility model, the outer wall of the connecting shaft 13 located inside the sleeve 14 is fixedly connected with a spring 19 , and the other end of the spring 19 is fixedly connected to the connecting rod 15 .

[0030] In this embodiment, the elastic force of the spring 19 keeps the scraper 18 in close contact with the inner wall of the tower body 1 at all times, thereby improving the decontamination effect.

[0031] As a technical optimization solution of the utility model, the bottom end of the tower body 1 is connected to a sewage outlet 5 .

[0032] In this embodiment, the sewage generated after spraying in the tower body 1 is discharged from the sewage outlet 5 and can continue to be introduced into the slurry pool 10 for recycling, or can be collected and processed uniformly.

[0033] As a technical optimization solution of the utility model, the bottom end of the tower body 1 is fixedly connected with four circumferentially distributed supporting legs 6 , and the four supporting legs 6 are all fixedly connected to the base 2 .

[0034] In this embodiment, the tower body 1 is raised to a certain height by four legs 6 , so as to facilitate installation of the motor 7 at the bottom of the tower body 1 .

[0035] As a technical optimization solution of the present utility model, the bottom end of the tower body 1 is funnel-shaped.

[0036] In this embodiment, the bottom end of the tower body 1 is provided with a funnel shape to facilitate the discharge of sewage and prevent the residual sewage from forming scale.

[0037] The working principle of the utility model is as follows: when in use, gas enters the tower body 1 through the air inlet 3, the water pump 9 is started, the water pump 9 pumps the liquid in the slurry pool 10 into the spiral tube 11 at the top of the tower body 1 through the water inlet pipe 8, and sprays it out from the nozzle 12, spraying and desulfurizing the gas inside the tower body 1, filtering the dust in the gas through the filter 20 to prevent direct discharge and pollution of the environment, and at the same time, starting the motor 7, the motor 7 drives the shaft 13 to rotate, the shaft 13 drives the sleeve 14 to rotate, and then drives the connecting rod 1 5 rotates, thereby driving the scraper 18 to rotate and scrape the inner wall of the tower body 1 to prevent stains from accumulating on the inner wall of the tower body 1 for a long time to form scale and affect the desulfurization effect. Through the hinge seat 16 hinged on the outer wall of the connecting rod 15, the connecting rods 15 at the upper and lower ends of the mounting plate 17 can be respectively extended and retracted in the corresponding sleeves 14 to prevent the rotating mechanism from being stuck due to scale on the inner wall of the tower body 1. The sewage generated after spraying in the tower body 1 is discharged from the sewage outlet 5 and can continue to be passed into the slurry water pool 10 for recycling or uniformly collected and treated.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A boiler flue gas desulfurization tower, comprising a tower body (1) and a base (2), wherein the lower left side of the tower body (1) is connected to an air inlet (3), and the upper end of the tower body (1) is connected to an air outlet (4), characterized in that: The upper end surface of the base (2) is fixedly connected to a motor (7), the output end of the motor (7) is fixedly connected to a connecting shaft (13), the connecting shaft (13) passes through the bottom end of the tower body (1) and extends to the inside of the tower body (1) and is rotatably connected to the tower body (1), the upper end outer wall and the lower end outer wall of the connecting shaft (13) are fixedly connected to two symmetrically distributed sleeves (14), the insides of the four sleeves (14) are sleeved with connecting rods (15), the outer walls of the four connecting rods (15) are hinged with hinge seats (16), the outer walls of the two hinge seats (16) on the same side are fixedly connected to mounting plates (17), the outer walls of the two mounting plates (17) are fixedly connected to scrapers (18), and the two scrapers (18) are in close contact with the inner wall of the tower body (1); The upper end surface of the base (2) is located on the right side of the tower body (1) and is fixedly connected to a pulp water pool (10); the upper end surface of the base (2) is located between the tower body (1) and the pulp water pool (10) and is fixedly connected to a water pump (9); the water outlet of the water pump (9) is connected to a water inlet pipe (8); the water inlet pipe (8) passes through the upper outer wall of the tower body (1) and extends to the interior of the tower body (1); the water inlet of the water pump (9) is connected to the pulp water pool (10); A spiral tube (11) is fixedly connected to the upper end of the inner wall of the tower body (1), a plurality of evenly distributed nozzles (12) are arranged on the outer wall of the bottom end of the spiral tube (11), a filter screen (20) is fixedly connected between adjacent tube walls of the spiral tube (11), and the water inlet pipe (8) is connected to the spiral tube (11).

2. A boiler flue gas desulfurization tower according to claim 1, characterized in that: The outer wall of the connecting shaft (13) is located between the two sleeves (14) and is fixedly connected to two symmetrically distributed blades (21).

3. A boiler flue gas desulfurization tower according to claim 1, characterized in that: The outer wall of the connecting shaft (13) located inside the sleeve (14) is fixedly connected to a spring (19), and the other end of the spring (19) is fixedly connected to the connecting rod (15).

4. A boiler flue gas desulfurization tower according to claim 1, characterized in that: The bottom end of the tower body (1) is connected to a sewage outlet (5).

5. A boiler flue gas desulfurization tower according to claim 1, characterized in that: The bottom end of the tower body (1) is fixedly connected to four circumferentially distributed supporting legs (6), and the four supporting legs (6) are all fixedly connected to the base (2).

6. A boiler flue gas desulfurization tower according to claim 1, characterized in that: The bottom end of the tower body (1) is funnel-shaped.

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