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CN-117717881-B - Nozzle water flow adjusting method of tail gas absorption tower

CN117717881BCN 117717881 BCN117717881 BCN 117717881BCN-117717881-B

Abstract

A nozzle water flow adjusting method of a tail gas absorption tower has the advantages of simple structure and convenient installation, but the defects of the traditional nozzle assembly of the tail gas absorption tower still exist. When water flow is required to be regulated according to the exhaust emission speed in the exhaust absorption tower, the motor (501) can drive the first rotating shaft (502) to rotate, the first rotating shaft (502) drives the auxiliary bevel gear (504) to rotate through the main bevel gear (503), the auxiliary bevel gear (504) drives the rotating wheel (506) to rotate through the second rotating shaft (505), so that holes on the rotating wheel (506) and holes on the fixed wheel (509) are intersected, water passes through, and the size of the intersection of the holes directly influences the water flow, so that the water flow of the nozzle is controlled.

Inventors

  • ZHU GUOWEI
  • HUANG XIAOMING
  • CHEN ZHIMING
  • KE HONGMING
  • LAI JIFENG
  • CHEN MANYUAN
  • LI JUN
  • FANG ZHIHUA

Assignees

  • 华能国际电力股份有限公司井冈山电厂

Dates

Publication Date
20260505
Application Date
20231227

Claims (8)

  1. 1. A nozzle water flow adjusting method of a tail gas absorption tower is characterized in that one end of a nozzle main body (1) is fixedly connected with a connector (2), the other side of the nozzle main body (1) is fixedly connected with a spray head (3), a plurality of water outlets (4) are formed in the middle of the spray head (3), an adjusting component (5) is arranged in the middle of the nozzle main body (1), a sealing component (6) is arranged in the connector (2), two limit bars (7) are fixedly connected to the inner wall of the connector (2), the two limit bars (7) are movably connected to the middle of a limit groove (8), the limit groove (8) is formed in two sides of a water pipe (9), two threaded holes (10) are formed in the outer side of the water pipe (9), and fixing screws (11) are connected to the middle parts of the two threaded holes (10) in a threaded mode; Firstly, limit grooves (8) on two sides of a water pipe (9) are aligned with limit strips (7) on the inner wall of a connector (2), the water pipe (9) is inserted into the connector (2), at the moment, the front end of the water pipe (9) can prop up a second sealing ring (604), the front end of the water pipe (9) is contacted with a first sealing ring (603), the first sealing ring (603) can squeeze a first spring (601), the first sealing ring (603) is tightly attached to the front end of the water pipe (9) under the reaction force of the first spring (601), the sealing effect is better, the second sealing ring (604) is embedded on the inner wall of the connector (2), the second sealing ring (604) is prevented from directly flushing the second sealing ring (604), the second sealing ring (604) can play a better sealing effect, no loss is generated under the flushing of long-time water flow, the sealing performance between a nozzle and the water pipe (9) is reduced, when the water flow rate needs to be regulated according to the tail gas exhaust, a tail gas exhaust speed in a tail gas absorption tower is required, a motor (501) in an adjusting component (5) drives a first rotating shaft (502) to be tightly attached to the front end of the water pipe (9), the first rotating shaft (502) so that the main gear (502) rotates, the bevel gear (506) to rotate, and the bevel gear (506) rotates through a main gear (506) to rotate, and the bevel gear (509) to rotate, so that the bevel gear (506) rotates, so as to rotate the bevel gear (509) through the main gear (509), the water body passes through, and the size of the hole intersection directly influences the size of the water flow, so that the water flow of the nozzle is controlled.
  2. 2. The method for adjusting nozzle water flow of tail gas absorption tower according to claim 1, wherein the adjusting component (5) comprises a motor (501) fixedly connected to the outer side of the nozzle main body (1), the output end of the motor (501) is fixedly connected with a first rotating shaft (502), one end of the first rotating shaft (502) is fixedly connected with a main bevel gear (503), one side of the main bevel gear (503) is meshed with a secondary bevel gear (504), the middle part of the secondary bevel gear (504) is penetrated with a second rotating shaft (505), one end of the second rotating shaft (505) is fixedly connected with a rotating wheel (506), the other end of the second rotating shaft (505) is movably connected with a bearing sleeve (507), the outer side of the bearing sleeve (507) is fixedly connected with a connecting rod (508), and one side of the rotating wheel (506) is provided with a fixed wheel (509).
  3. 3. The method for adjusting nozzle water flow of tail gas absorption tower according to claim 2, wherein the sealing assembly (6) comprises a first spring (601) and a second spring (602) which are fixedly connected inside the connector (2), one end of the first spring (601) is fixedly connected with a first sealing ring (603), and one end of the second spring (602) is fixedly connected with a second sealing ring (604).
  4. 4. The method for adjusting nozzle water flow of an exhaust gas absorption tower according to claim 3, wherein said first spring (601) and said second spring (602) are perpendicular to each other.
  5. 5. The method for adjusting nozzle water flow of tail gas absorption tower according to claim 4, wherein a limiting structure is formed between the connector (2) and the water pipe (9) through a limiting strip (7) and a limiting groove (8).
  6. 6. The method for adjusting nozzle water flow of tail gas absorption tower according to claim 5, wherein the front end of the water pipe (9) is of a conical structure.
  7. 7. The method for adjusting nozzle water flow of tail gas absorption tower according to claim 6, wherein two holes are respectively formed on the rotating wheel (506) and the fixed wheel (509).
  8. 8. The method for adjusting nozzle water flow of an exhaust gas absorption tower according to claim 7, wherein said main bevel gear (503) and said auxiliary bevel gear (504) cooperate with each other to form a transmission structure.

Description

Nozzle water flow adjusting method of tail gas absorption tower Technical Field The invention relates to the technical field of tail gas absorption towers, in particular to a method for adjusting nozzle water flow of a tail gas absorption tower. Background The tail gas absorption tower is also called as a main stream product device for treating the waste gas in environment-friendly equipment, such as a waste gas purifying tower, a waste gas treatment tower, an acid mist purifying tower, an acid mist treatment tower and the like, is waste gas absorption tower equipment with high efficiency and small pressure loss, and the waste gas absorption tower product not only maintains the advantages of corrosion resistance, light weight, high strength and difficult scaling of polypropylene equipment, but also greatly improves the mass transfer effect of the product, and a spraying method is generally used in the tail gas absorption tower to absorb parts of the tail gas dissolved in certain liquid, so that a nozzle assembly of the tail gas absorption tower is an important component part of the tail gas absorption tower, and the nozzle assembly of the traditional tail gas absorption tower has the advantages of simple structure and convenient installation, but also has the defects, so that a method for adjusting the nozzle water flow of the tail gas absorption tower is provided. The invention has the beneficial effects that the device adopts the annular anti-blocking nozzle arranged in the phosphoric acid absorption tower, can ensure that no dead angle is covered and evenly sprayed in the diameter of the phosphoric acid absorption tower, has good spraying and ammonia removing effects, is not easy to block, can ensure long-term stable operation of equipment, and is suitable for the phosphoric acid absorption tower with any tower diameter. The inventor finds that the prior art has the following problems that 1, the spraying amount of a nozzle is inconvenient to adjust according to the needs when the existing tail gas absorption tower is used, water resources are easy to waste, and 2, the sealing between the nozzle and a water pipe of the existing tail gas absorption tower is mainly realized through a sealing ring, but the sealing ring can generate loss under the flushing of long-time water flow, so that the sealing performance between the nozzle and the water pipe is reduced. Disclosure of Invention The invention aims to provide a nozzle water flow adjusting method of a tail gas absorption tower, which aims to solve the problems that the existing tail gas absorption tower is inconvenient to adjust the spraying amount of a nozzle according to requirements and is easy to cause poor working condition parameters in use and the sealing between the nozzle and a water pipe of the existing tail gas absorption tower is mainly realized through a sealing ring, but the sealing ring is worn under the flushing of long-time water flow, so that the sealing performance between the nozzle and the water pipe is reduced. In order to achieve the above purpose, the present invention provides the following technical solutions: A nozzle water flow adjusting method of an exhaust absorption tower is characterized in that limit grooves (8) on two sides of a water pipe (9) are aligned with limit strips (7) on the inner wall of a connector (2), the water pipe (9) is inserted into the connector (2), at the moment, the front end of the water pipe (9) can prop up a second sealing ring (604), the front end of the water pipe (9) is contacted with a first sealing ring (603), the first sealing ring (603) can squeeze a first spring (601), the first sealing ring (603) is tightly attached to the front end of the water pipe (9) under the reaction force of the first spring (601), the sealing effect is better, the second sealing ring (604) is embedded in the inner wall of the connector (2), the water flow is prevented from directly scouring the second sealing ring (604), the second sealing ring (604) has better sealing effect, loss is not generated under the scouring of long-time water flow, the sealing property between the nozzle and the water pipe (9) is reduced, when the water flow is required to be adjusted according to the exhaust absorption tower, a motor (5010) can drive a first bevel gear (502) to rotate, a main bevel gear (506) to rotate, a bevel gear (506) is driven by a motor (509) to rotate, and a bevel gear (506) rotates a bevel gear (506) to rotate, and a main gear (506) rotates a bevel gear (509) to rotate, and a bevel gear (506) to rotate, and a hole (509) rotates, and the bevel gear rotates a main gear (506) through a hole (509) to rotate, the water body passes through, and the size of the hole intersection directly influences the size of the water flow, so that the water flow of the nozzle is controlled. The utility model provides a nozzle assembly of tail gas absorption tower, includes the nozzle main part, the one end fixedly connected with con