CN-224207754-U - Sulfur dioxide flue gas absorption tower groove separation absorption tower

CN224207754UCN 224207754 UCN224207754 UCN 224207754UCN-224207754-U

Abstract

The utility model discloses a sulfur dioxide flue gas absorption tower groove separation absorption tower, which relates to the field of sulfur dioxide flue gas absorption towers and comprises a spray absorption tower, wherein an exhaust port is arranged at the top end of the spray absorption tower, an air inlet protruding outwards is integrally formed below the outer wall of the spray absorption tower, an outer fixing ring is fixedly arranged above the inner periphery of the spray absorption tower, an inner fixing pipe is fixedly arranged on the inner periphery of the outer fixing ring through a connecting pipe, and a rotary spraying mechanism penetrating to the lower part of the inner fixing pipe is arranged inside the inner fixing pipe. According to the utility model, by arranging the pipeline mechanism and the rotary spraying mechanism, the rotation of the rotary spraying mechanism can be realized when the sulfide absorbent is sprayed, the rotary spraying mechanism can be used for disturbing the flue gas and the sulfide absorbent, the stirring effect is realized, the sulfide in the flue gas fully reacts with the sulfide absorbent, and the problem that partial sulfide is not fully reacted and is discharged into the air is avoided.

Inventors

ZHANG YONGMEI
ZHONG WEI
REN YUNFENG
YAN CHENGXIANG
Han Zuokun

Assignees

中海(东营)石化有限公司

Dates

Publication Date: 20260508
Application Date: 20250604

Claims (5)

1. The utility model provides a sulfur dioxide flue gas absorption tower groove separation absorption tower, includes spray absorption tower (1), its characterized in that, gas vent (3) are installed on the top of spray absorption tower (1), spray absorption tower (1) outer wall below integrated into one piece has outside outstanding air inlet (2), spray absorption tower (1) inner periphery top fixed mounting has outer solid fixed ring (6), the inner periphery of outer solid fixed ring (6) has inner fixed pipe (8) through connecting pipe (7) fixed mounting, the internally mounted of inner fixed pipe (8) has run through to rotatory spraying mechanism of inner fixed pipe (8) below, the outside of inner fixed pipe (8) is provided with runs through to spray absorption tower (1) outside pipe mechanism.
2. The sulfur dioxide flue gas absorption tower groove separation absorption tower according to claim 1, wherein the pipeline mechanism comprises a first liquid inlet pipe (4) penetrating through the inner cavity of the spray absorption tower (1) from the outside of the spray absorption tower (1) and a second liquid inlet pipe (5), the output end of the second liquid inlet pipe (5) is connected with the center of the top end of the inner fixing pipe (8), the inner cavity of the inner fixing pipe (8) is communicated with the inner cavity of the second liquid inlet pipe (5), a first liquid inlet pipe (4) penetrating through the inner cavity of the spray absorption tower (1) and connected with the periphery of the inner fixing pipe (8) is arranged outside the spray absorption tower (1), and the inner cavity of the inner fixing pipe (8) is communicated with the inner cavity of the first liquid inlet pipe (4).
3. The sulfur dioxide flue gas absorption tower groove separation absorption tower according to claim 2, wherein a partition plate (9) is fixedly installed at the center of the inner wall of the inner fixing pipe (8), an upper cavity (10) is arranged above the partition plate (9) in the inner cavity of the inner fixing pipe (8), a lower cavity (11) is arranged below the partition plate (9) in the inner cavity of the inner fixing pipe (8), an arc-shaped groove (13) with an arc-shaped structure is formed in the inner portion of the partition plate (9) away from the position of the first liquid inlet pipe (4), and the upper cavity (10) is communicated with the lower cavity (11) through the arc-shaped groove (13).
4. A sulfur dioxide flue gas absorption tower trough separation absorption tower according to claim 3, characterized in that the rotary spraying mechanism comprises a vertical pipe (14) rotationally connected with the center of the partition board (9) and the center of the bottom plate of the lower cavity (11), the vertical pipe (14) penetrates to the lower part of the inner fixed pipe (8), an impeller (12) is coaxially and fixedly connected with the top end of the vertical pipe (14), a sealing ring is arranged at the contact position of the top end and the top end of the inner wall of the inner fixed pipe (8) and the top end of the partition board (9), and a plurality of groups of water spraying pipes (15) are arranged on the outer wall of the vertical pipe (14).
5. The sulfur dioxide flue gas absorption tower groove separation absorption tower according to claim 4, wherein a round hole aligned with the inner cavity of the vertical pipe (14) and the output end of the second liquid inlet pipe (5) is formed in the center of the impeller (12), two ends of the connecting pipe (7) are respectively communicated with the outer fixing ring (6) and the inner cavity of the lower cavity (11), the output end of the first liquid inlet pipe (4) is communicated with the inner cavity of the partition plate (9), and the output end of the first liquid inlet pipe (4) is tangential to the rotation track of the impeller (12).

Description

Sulfur dioxide flue gas absorption tower groove separation absorption tower Technical Field The utility model relates to the field of sulfur dioxide flue gas absorption towers, in particular to a sulfur dioxide flue gas absorption tower trough separation absorption tower. Background Before the flue gas containing sulfide is discharged, a spray absorption tower is required to be used for purifying sulfide contained in the flue gas and removing the sulfide. In the prior art, a spraying system in the spraying tower generally sprays sulfide absorbent (such as zinc acetate-sodium acetate solution) to react sulfide to generate unvulcanized precipitate, but in the prior art, when the flue gas flows upwards and reacts with the sprayed sulfide absorbent, part of gas can upwards move to the upper part of the spraying pipe when not completely reacted, so that sulfide-containing gas is output to the atmosphere, and air pollution is caused. Disclosure of utility model The utility model aims to solve the problems in the background art and provides a sulfur dioxide flue gas absorption tower trough separation absorption tower. The sulfur dioxide flue gas absorption tower groove separation absorption tower comprises a spray absorption tower, wherein an exhaust port is arranged at the top end of the spray absorption tower, an air inlet protruding outwards is integrally formed below the outer wall of the spray absorption tower, an outer fixing ring is fixedly arranged above the inner periphery of the spray absorption tower, an inner fixing pipe is fixedly arranged on the inner periphery of the outer fixing ring through a connecting pipe, a rotary spraying mechanism penetrating below the inner fixing pipe is arranged inside the inner fixing pipe, and a pipeline mechanism penetrating outside the spray absorption tower is arranged outside the inner fixing pipe. As a still further scheme of the utility model, the pipeline mechanism comprises a first liquid inlet pipe and a second liquid inlet pipe which penetrate through the spray absorption tower from the outside of the spray absorption tower to the inner cavity of the spray absorption tower, the output end of the second liquid inlet pipe is connected with the center of the top end of the inner fixing pipe, the inner cavity of the inner fixing pipe is communicated with the inner cavity of the second liquid inlet pipe, the outside of the spray absorption tower is provided with a first liquid inlet pipe which penetrates through the inner cavity of the spray absorption tower and is communicated with the outer Zhou Xianglian of the inner fixing pipe, and the inner cavity of the inner fixing pipe is communicated with the inner cavity of the first liquid inlet pipe. As a still further scheme of the utility model, a baffle plate is fixedly arranged at the center of the inner wall of the inner fixing pipe, an upper cavity is arranged above the baffle plate, a lower cavity is arranged below the baffle plate, an arc-shaped groove with an arc-shaped structure is formed in the inner part of the baffle plate far away from the first liquid inlet pipe, and the upper cavity is communicated with the lower cavity through the arc-shaped groove. As a still further proposal of the utility model, the rotary spraying mechanism comprises a vertical pipe which is rotationally connected with the center of the partition board and the center of the bottom plate of the lower cavity, the vertical pipe penetrates below the inner fixed pipe, the top end of the vertical pipe is coaxially and fixedly connected with an impeller, the top end and the top end of the impeller are in contact with the top end of the inner wall of the inner fixed pipe and the top end of the partition board, a sealing ring is arranged at the contact position, and a plurality of groups of water spraying pipes are arranged on the outer wall of the vertical pipe. As a still further proposal of the utility model, a round hole aligned with the inner cavity of the vertical pipe and the output end of the second liquid inlet pipe is arranged at the center of the impeller, the two ends of the connecting pipe are respectively communicated with the outer fixed ring and the inner cavity of the lower cavity, the output end of the first liquid inlet pipe is communicated with the inner cavity of the baffle plate, and the output end of the first liquid inlet pipe is tangential with the rotation track of the impeller. Compared with the prior art, the utility model has the beneficial effects that: 1. Through setting up pipeline mechanism and rotatory spraying mechanism, can realize when spraying the sulphide absorbent, realize rotatory spraying mechanism's rotation, pivoted rotatory spraying mechanism is disturbed flue gas and sulphide absorbent, realizes stirring effect, realizes that the sulphide fully reacts with the sulphide absorbent in the flue gas, avoids partial sulphide not fully reacting promptly by the problem of air-in. Drawings FIG. 1 is a sc