Search

CN-224221090-U - Wet desulfurization and denitrification device

CN224221090UCN 224221090 UCN224221090 UCN 224221090UCN-224221090-U

Abstract

The utility model discloses a wet desulfurization and denitrification device, which comprises a main body supporting structure, a flue gas conveying treatment mechanism arranged in the main body supporting structure, wherein the main body supporting structure comprises a main body supporting outer cylinder shell which is vertically extended and arranged, a main body supporting column body which is coaxial with the main body supporting outer cylinder shell is fixed in the main body supporting outer cylinder shell, the flue gas conveying treatment mechanism comprises a tail end flue gas conveying pipe which is fixed at the inner bottom of the main body supporting outer cylinder shell and is annularly arranged, a plurality of tail end flue gas discharging nozzles which are communicated with the inside of the tail end flue gas conveying pipe are fixed at the upper side of the tail end flue gas conveying pipe, and a flue gas treatment channel which is vertically extended and arranged is formed in the main body supporting outer cylinder shell.

Inventors

  • Ye Tipeng
  • SHI YUXIAO

Assignees

  • 宜兴市海纳环境工程有限公司

Dates

Publication Date
20260512
Application Date
20250606

Claims (5)

  1. 1. The wet desulfurization and denitrification device is characterized by comprising a main body supporting structure (10), and a flue gas conveying and treating mechanism (20) arranged in the main body supporting structure (10); The main body supporting structure (10) comprises a main body supporting outer cylinder shell (11) which is vertically arranged in an extending mode, and a main body supporting column body (12) which is coaxial with the main body supporting outer cylinder shell (11) is fixed in the main body supporting outer cylinder shell; The flue gas conveying treatment mechanism (20) comprises a tail end flue gas conveying pipe (21) which is fixed at the inner bottom of the main body supporting outer cylinder shell (11) and is annularly arranged, and a plurality of tail end flue gas discharge nozzles (211) communicated with the inner part of the tail end flue gas conveying pipe (21) are fixed at the upper side of the tail end flue gas conveying pipe; The main body supports the inside desulfurization and denitrification treatment cavity (200) that forms vertical extension and arrange and be annular of outer shell (11), desulfurization and denitrification treatment thick liquid has been filled in desulfurization and denitrification treatment cavity (200).
  2. 2. The wet desulfurization and denitrification device according to claim 1, wherein an initial mixing input mechanism (22) is arranged outside the main body support outer cylinder shell (11), the initial mixing input mechanism (22) comprises an annular hollow flue gas mixing and collecting annular shell (221) which is fixed outside the main body support outer cylinder shell (11) and is coaxially arranged with the main body support outer cylinder shell, the flue gas mixing and collecting annular shell (221) is communicated with the tail end flue gas conveying pipe (21) through a plurality of tail end flue gas communicating pipes (222), and a flue gas conveying one-way valve (2220) is arranged in the tail end flue gas communicating pipes (222); The top of the flue gas mixing and collecting annular shell (221) is fixedly provided with a plurality of original flue gas conveying pipes (223) which vertically extend and are communicated with the inside of the flue gas mixing and collecting annular shell, the side wall of each original flue gas conveying pipe (223) is fixedly provided with a treating agent conveying pipe (224), and the output end of each treating agent conveying pipe (224) extends to the inside of each original flue gas conveying pipe (223).
  3. 3. The wet desulfurization and denitrification device according to claim 1, wherein a variable cross-section diversion mechanism (23) is arranged inside the main body support outer cylinder shell (11), the variable cross-section diversion mechanism (23) comprises a variable cross-section diversion inner annular shell (231) which is fixed on the outer side of the main body support cylinder (12) and is coaxially arranged with the main body support cylinder, and a variable cross-section diversion outer annular shell (232) which is surrounded on the outer side of the variable cross-section diversion inner annular shell (231) and is coaxially arranged with the main body support outer cylinder shell (11); A flue gas treatment channel (201) is formed between the outer side surface of the variable-section diversion inner annular shell (231) and the inner side surface of the variable-section diversion outer annular shell (232); The variable-section diversion inner annular shell (231) is provided with a plurality of inner annular shell diversion convex sections (2311) and inner annular shell diversion concave sections (2312) which are periodically arranged along the axial direction of the variable-section diversion inner annular shell; the variable-section diversion outer ring shell (232) is provided with a plurality of outer ring shell diversion convex sections (2321) and outer ring shell diversion concave sections (2322) which are periodically arranged along the axial direction of the variable-section diversion outer ring shell; The main part supports outer shell (11) top and is fixed with a plurality of openings lift drive holding section of thick bamboo (233) down, variable cross section water conservancy diversion outer shell (232) top is fixed with many vertical lift drive support column (234) that extend, and a plurality of lift drive support column (234) upper end one-to-one extends to each inside lift drive holding section of thick bamboo (233), be equipped with in lift drive holding section of thick bamboo (233) and be used for the drive lift actuating lever (235) of variable cross section water conservancy diversion outer shell (232) lift removal.
  4. 4. A wet desulfurization and denitrification device according to claim 3, wherein an outer ring closed fit ring (24) coaxially arranged with the variable cross-section diversion outer ring shell (232) is fixed at the lower end of the variable cross-section diversion outer ring shell, and the lower end of the outer ring closed fit ring (24) is in closed contact fit with the inner side wall of the main body supporting outer cylinder shell (11); A treatment fluid reflux channel (202) is formed between the outer side surface of the variable-section diversion outer ring shell (232) and the inner side surface of the main body supporting outer cylinder shell (11), and a plurality of lower section reflux through holes (241) used for communicating the flue gas treatment channel (201) and the treatment fluid reflux channel (202) are formed in the outer ring sealing matching ring (24); the side wall of the upper end of the variable-section diversion outer ring shell (232) is provided with a plurality of upper section overflow through holes (242) which are penetrated along the radial direction of the variable-section diversion outer ring shell; a plurality of processing liquid reflux thrusters (243) which are vertically arranged in an extending way are fixed in the processing liquid reflux passage (202).
  5. 5. The wet desulfurization and denitrification device according to claim 1, wherein an annular sedimentation collecting groove (13) is formed in the bottom of the main body support outer cylinder shell (11), a plurality of sedimentation outer drain pipes (131) communicated with the sedimentation collecting groove (13) are fixed at the lower end of the main body support outer cylinder shell (11), and sedimentation outer drain pipes (131) are provided with sedimentation outer drain control valves (132).

Description

Wet desulfurization and denitrification device Technical Field The utility model relates to the technical field of desulfurization and denitrification, in particular to a wet desulfurization and denitrification device. Background Wet desulfurization and denitrification are pollution control technologies for removing sulfur oxides and nitrogen oxides in exhaust gas, such as sulfur oxides (SO x) and nitrogen oxides (NO x) in flue gas discharged by coal-fired power plants, industrial boilers and the like, and belong to an important process in the field of flue gas purification. The core principle is that the liquid absorbent is utilized to chemically react or physically absorb pollutants in the waste gas, so that the pollutants are separated from the flue gas, and the aim of purifying and discharging is fulfilled. However, the desulfurization and denitrification equipment in the prior art is still deficient in treatment efficiency and adaptability to smoke components, and needs to be further improved and optimized. Disclosure of utility model The utility model aims to provide a wet desulfurization and denitrification device which can remove sulfur oxides and nitrogen oxides in waste gas more efficiently and has better adaptability to waste gas with various components. In order to achieve the above purpose, the present utility model provides the following technical solutions: A wet desulfurization and denitrification device comprises a main body supporting structure and a flue gas conveying and processing mechanism arranged in the main body supporting structure; The main body supporting structure comprises a main body supporting outer cylinder shell which is vertically arranged in an extending way, and a main body supporting column body which is coaxial with the main body supporting outer cylinder shell is fixed in the main body supporting outer cylinder shell; The flue gas conveying treatment mechanism comprises a tail end flue gas conveying pipe which is fixed at the inner bottom of the main body supporting outer cylinder shell and is annularly arranged, and a plurality of tail end flue gas discharge nozzles communicated with the inside of the tail end flue gas conveying pipe are fixed on the upper side of the tail end flue gas conveying pipe; The main body supports the inside of the outer cylinder shell to form a desulfurization and denitrification treatment chamber which is vertically extended and arranged and is annular, and desulfurization and denitrification treatment slurry is filled in the desulfurization and denitrification treatment chamber. Preferably, an initial mixing input mechanism is arranged on the outer side of the main body supporting outer cylinder shell, the initial mixing input mechanism comprises an annular hollow smoke mixing and collecting annular shell which is fixed on the outer side of the main body supporting outer cylinder shell and is coaxially arranged with the main body supporting outer cylinder shell, the smoke mixing and collecting annular shell is communicated with a tail end smoke conveying pipe through a plurality of tail end smoke communicating pipes, and a smoke conveying one-way valve is arranged in each tail end smoke communicating pipe; the top of the flue gas mixing and collecting ring shell is fixedly provided with a plurality of original flue gas conveying pipes which extend vertically and are communicated with the inside of the flue gas mixing and collecting ring shell, the side wall of each original flue gas conveying pipe is fixedly provided with a treating agent conveying pipe, and the output end of each treating agent conveying pipe extends to the inside of each original flue gas conveying pipe. The initial mixing input mechanism can be used for conveying ozone in advance to be mixed with the flue gas to be treated, so that NO in the flue gas to be treated is oxidized into NO 2, and NO which is difficult to dissolve in water is oxidized into NO 2 which is easy to dissolve in water, so that the denitration efficiency can be obviously improved in the subsequent treatment process, and the dependence on a strong acid environment is reduced. Preferably, the variable cross-section diversion mechanism is arranged in the main body support outer cylinder shell, and comprises a variable cross-section diversion inner ring shell which is fixed on the outer side of the main body support cylinder and is coaxially arranged with the main body support cylinder, and a variable cross-section diversion outer ring shell which surrounds the outer side of the variable cross-section diversion inner ring shell and is coaxially arranged with the main body support outer cylinder shell is arranged in the main body support outer cylinder shell; A flue gas treatment channel is formed between the outer side surface of the variable-section diversion inner annular shell and the inner side surface of the variable-section diversion outer annular shell; the variable-section diversion inner annul