Absorption tower for wet desulfurization

Abstract

The utility model relates to the technical field of desulfurizing absorption towers, and discloses a wet-type desulfurizing absorption tower, which comprises a tower body, an air inlet pipe and an air outlet pipe, the air inlet pipe and the air outlet pipe are respectively and fixedly connected on the side wall of the tower body, a control box is fixedly connected on the side wall of the tower body, and a water pump is fixedly connected on the inner wall of the control box. A material conveying pipe is fixedly connected to the side wall of the water pump, a connecting ring is fixedly connected to the inner wall of the top end of the tower body, an annular cavity is formed in the inner wall of the connecting ring, and the material conveying pipe extends to the inner wall of the annular cavity. The air cylinder provided by the utility model can push the movable frame to move and can drive the adjusting rod to move to push and pull the sliding rod to slide along the inner wall of the through hole, and the movable rod is pushed to swing to adjust the swing of the pressurizing spray head to adjust the spraying angle, thereby reducing the dead angle of desulfurization absorption and improving the desulfurization quality.

Description

Technical Field

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

[0002] The wet desulfurization absorption tower is a device used for flue gas desulfurization. Its main function is to absorb sulfur dioxide in the flue gas and convert it into sulfate, reducing or removing SO2 pollutants in the flue gas. It is often used in coal-fired power plants, refineries, industrial boilers and other equipment. The wet technology has the advantages of fast desulfurization reaction speed, simple equipment and high desulfurization efficiency.

[0003] In the prior art, during the use of a wet desulfurization absorption tower, a spray rack is required to spray atomized reagent into the interior of the desulfurization absorption tower to contact and absorb sulfur dioxide in the flue gas. During the use of the spray rack, a gap will be provided between the spray rack and the inner wall of the desulfurization absorption tower, causing part of the flue gas to flow through the gap, which will affect the desulfurization quality of the wet desulfurization absorption tower. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that in the prior art, a jet rack is needed to spray atomized reagent into the interior of the desulfurization absorption tower to contact and absorb sulfur dioxide in the flue gas during use of the wet desulfurization absorption tower, and a gap is provided between the jet rack and the inner wall of the desulfurization absorption tower, resulting in part of the flue gas flowing through the gap, which affects the desulfurization quality of the wet desulfurization absorption tower. A method for using the wet desulfurization absorption tower is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A wet desulfurization absorption tower comprises a tower body, an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are respectively fixedly connected to the side walls of the tower body, a control box is fixedly connected to the side walls of the tower body, a water pump is fixedly connected to the inner wall of the control box, a feed pipe is fixedly connected to the side wall of the water pump, a connecting ring is fixedly connected to the inner wall of the top end of the tower body, an annular cavity is formed on the inner wall of the connecting ring, the feed pipe extends to the inner wall of the annular cavity, a plurality of openings are formed around the inner wall of the connecting ring located in the annular cavity, a rotating shaft is rotatably connected to the inner wall of the connecting ring located in the opening, a boosting nozzle is fixedly connected to the end of the rotating shaft, and the boosting nozzle is rotatably connected to the inner wall of the tower body located in the opening.

[0007] Preferably, the top of the tower body is fixedly connected to a cylinder, the end of the piston rod of the cylinder is fixedly connected to a movable frame, the bottom of the movable frame is hingedly provided with a plurality of adjusting rods, the inner wall of the tower body is provided with a through hole, the inner wall of the tower body located at the through hole is slidably provided with a sliding rod, the bottom end rod wall of the adjusting rod is hingedly provided on the rod wall of the sliding rod, the top of the booster nozzle is fixedly connected to a movable rod, the inner wall of the movable rod is provided with a strip opening, the end of the sliding rod is fixedly connected to a connecting frame, the inner wall of the connecting frame is fixedly connected to a lever, and the lever is slidably provided on the inner wall of the movable rod located at the strip opening.

[0008] Preferably, a tapered hole is formed on the inner wall of the boost nozzle, and a plurality of diffusion protrusions are fixedly connected to the inner wall of the tapered hole of the boost nozzle.

[0009] Preferably, a sealing ring is fixedly connected to the inner wall of the tower body located at the through hole, and the inner wall of the sealing ring is fitted on the rod wall of the sliding rod.

[0010] Preferably, a sealing strip is fixedly connected to the inner wall of the connecting ring located in the annular cavity, and the side wall of the sealing strip is pressed against the side wall of the booster nozzle.

[0011] Preferably, a filter plate is fixedly connected to the inner wall of the tower body.

[0012] Compared with the prior art, the utility model provides a wet desulfurization absorption tower, which has the following beneficial effects:

[0013] 1. It is used for wet desulfurization absorption tower. The cylinder can push the movable frame to move, drive the adjusting rod to move, drive the adjusting rod to push and pull the slide bar to slide along the inner wall of the through hole, push the movable rod to swing, and adjust the booster nozzle to swing and adjust the spraying angle, reduce the dead angle of desulfurization absorption, and improve the desulfurization quality.

[0014] 2. The wet desulfurization absorption tower can ensure the boosting effect of the boosting nozzle through the tapered hole inside the boosting nozzle, and the diffusion effect can be improved when the agent impact is set on the side wall of the diffusion convex block, so that the agent can be more fully atomized, improve the contact with the flue gas, and ensure the desulfurization quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a wet desulfurization absorption tower proposed by the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the structure of the local A part;

[0017] Figure 3 for Figure 2 A three-dimensional diagram of the structure of the medium-boost nozzle.

[0018] In the figure: 1 tower body, 2 air inlet pipe, 3 air outlet pipe, 4 control box, 5 water pump, 6 feed pipe, 7 connecting ring, 8 booster nozzle, 9 rotating shaft, 10 cylinder, 11 movable frame, 12 adjusting rod, 13 sliding rod, 14 sealing ring, 15 movable rod, 16 connecting frame, 17 lever, 18 sealing strip, 19 diffusion protrusion, 20 filter plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-Figure 3 A wet desulfurization absorption tower comprises a tower body 1, an air inlet pipe 2 and an air outlet pipe 3, the air inlet pipe 2 and the air outlet pipe 3 are respectively fixedly connected to the side wall of the tower body 1, a control box 4 is fixedly connected to the side wall of the tower body 1, a water pump 5 is fixedly connected to the inner wall of the control box 4, a feed pipe 6 is fixedly connected to the side wall of the water pump 5, a connecting ring 7 is fixedly connected to the inner wall of the top of the tower body 1, an annular cavity is opened on the inner wall of the connecting ring 7, the feed pipe 6 extends to the inner wall of the annular cavity, the connecting ring 7 is located in the inner wall of the annular cavity and is surrounded by a plurality of openings, the connecting ring 7 is rotatably connected to the inner wall of the opening, a booster nozzle 8 is fixedly connected to the end of the rotating shaft 9, and the booster nozzle 8 is rotatably connected to the inner wall of the tower body 1 located at the opening.

[0021] A cylinder 10 is fixedly connected to the top of the tower body 1, and a movable frame 11 is fixedly connected to the end of the piston rod of the cylinder 10. A plurality of adjusting rods 12 are hingedly arranged at the bottom of the movable frame 11. A through hole is provided on the inner wall of the tower body 1, and a sliding rod 13 is slidably arranged on the inner wall of the tower body 1 located at the through hole. The bottom end rod wall of the adjusting rod 12 is hingedly arranged on the rod wall of the sliding rod 13. A movable rod 15 is fixedly connected to the top of the booster nozzle 8, and a strip-shaped opening is provided on the inner wall of the movable rod 15. A connecting frame 16 is fixedly connected to the end of the sliding rod 13, and a lever 17 is fixedly connected to the inner wall of the connecting frame 16. The lever 17 is slidably arranged on the inner wall of the movable rod 15 located at the strip-shaped opening.

[0022] When in use, the reagent can be transported to the inside of the connecting ring 7 through the water pump 5 through the feed pipe 6, the reagent is pressurized and sprayed through the booster nozzle 8, and then the air intake pipe 2 discharges the flue gas into the inside of the absorption tower, the flue gas contacts and reacts with the reagent to perform desulfurization absorption, and the desulfurized gas is discharged through the outlet pipe 3, and the cylinder 10 can push the movable frame 11 to move, which can drive the adjusting rod 12 to move and push and pull the sliding rod 13 to slide along the inner wall of the through hole, and can push the movable rod 15 to swing, which can adjust the booster nozzle 8 to swing and adjust the spraying angle, thereby reducing the dead angle of desulfurization absorption, and the sliding rod 13 slides along the inner wall of the strip mouth through the lever 17 inside the connecting frame 16 to reduce the friction between the sliding rod 13 and the movable rod 15.

[0023] In order to make the agent more fully atomized, improve the contact with the flue gas and ensure the desulfurization quality, such as Figure 1-Figure 3 As shown, a tapered hole is opened on the inner wall of the boost nozzle 8, and a plurality of diffusion protrusions 19 are fixedly connected to the inner wall of the tapered hole of the boost nozzle 8, a sealing ring 14 is fixedly connected to the inner wall of the through hole of the tower body 1, and the inner wall of the sealing ring 14 is fitted on the rod wall of the sliding rod 13, a sealing strip 18 is fixedly connected to the inner wall of the annular cavity of the connecting ring 7, and the side wall of the sealing strip 18 is pressed against the side wall of the boost nozzle 8, and a filter plate 20 is fixedly connected to the inner wall of the tower body 1.

[0024] The tapered hole inside the boost nozzle 8 can ensure the boosting effect of the boost nozzle 8, and when the reagent impact is set on the side wall of the diffusion protrusion 19, the diffusion effect can be improved, so that the reagent can be more fully atomized, improve the contact with the flue gas, and ensure the desulfurization quality. The sealing ring 14 can improve the sealing of the slide rod 13 on the inner wall of the tower body 1, and the sealing strip 18 can improve the sealing of the boost nozzle 8 on the inner wall of the connecting ring 7. The filter plate 20 can filter the reacted reagent to prevent impurities in the reagent from affecting subsequent recycling and use.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wet desulfurization absorption tower, comprising a tower body (1), an air inlet pipe (2) and an air outlet pipe (3), characterized in that: The air inlet pipe (2) and the air outlet pipe (3) are respectively fixedly connected to the side wall of the tower body (1); a control box (4) is fixedly connected to the side wall of the tower body (1); a water pump (5) is fixedly connected to the inner wall of the control box (4); a feed pipe (6) is fixedly connected to the side wall of the water pump (5); a connecting ring (7) is fixedly connected to the inner wall of the top end of the tower body (1); an annular cavity is formed on the inner wall of the connecting ring (7); the feed pipe (6) extends to the inner wall of the annular cavity; a plurality of openings are formed around the inner wall of the annular cavity; a rotating shaft (9) is rotatably connected to the inner wall of the connecting ring (7) located at the opening; a boost nozzle (8) is fixedly connected to the end of the boost nozzle (9); the boost nozzle (8) is rotatably connected to the inner wall of the tower body (1) located at the opening.

2. The wet desulfurization absorption tower according to claim 1, characterized in that: The top of the tower body (1) is fixedly connected to a cylinder (10), the end of the piston rod of the cylinder (10) is fixedly connected to a movable frame (11), the bottom of the movable frame (11) is hingedly provided with a plurality of adjustment rods (12), the inner wall of the tower body (1) is provided with a through hole, the inner wall of the tower body (1) located at the through hole is slidably provided with a slide rod (13), the bottom end rod wall of the adjustment rod (12) is hingedly provided on the rod wall of the slide rod (13), the top of the booster nozzle (8) is fixedly connected to a movable rod (15), the inner wall of the movable rod (15) is provided with a strip opening, the end of the slide rod (13) is fixedly connected to a connecting frame (16), the inner wall of the connecting frame (16) is fixedly connected to a shifting rod (17), and the shifting rod (17) is slidably provided on the inner wall of the movable rod (15) located at the strip opening.

3. The wet desulfurization absorption tower according to claim 1, characterized in that: The inner wall of the booster nozzle (8) is provided with a tapered hole, and the booster nozzle (8) is fixedly connected to a plurality of diffusion protrusions (19) on the inner wall of the tapered hole.

4. The wet desulfurization absorption tower according to claim 1, characterized in that: A sealing ring (14) is fixedly connected to the inner wall of the tower body (1) located at the through hole, and the inner wall of the sealing ring (14) is fitted on the rod wall of the sliding rod (13).

5. The wet desulfurization absorption tower according to claim 1, characterized in that: The inner wall of the connecting ring (7) located in the annular cavity is fixedly connected to a sealing strip (18), and the side wall of the sealing strip (18) is pressed against the side wall of the boost nozzle (8).

6. The wet desulfurization absorption tower according to claim 1, characterized in that: A filter plate (20) is fixedly connected to the inner wall of the tower body (1).

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