CN220771149U - Device for increasing flue gas disturbance - Google Patents
Device for increasing flue gas disturbance Download PDFInfo
- Publication number
- CN220771149U CN220771149U CN202322561040.0U CN202322561040U CN220771149U CN 220771149 U CN220771149 U CN 220771149U CN 202322561040 U CN202322561040 U CN 202322561040U CN 220771149 U CN220771149 U CN 220771149U
- Authority
- CN
- China
- Prior art keywords
- compressed air
- main pipe
- install
- air main
- flue gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000003546 flue gas Substances 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims abstract description 3
- 239000004071 soot Substances 0.000 claims description 14
- 239000000428 dust Substances 0.000 abstract description 17
- 239000003054 catalyst Substances 0.000 abstract description 11
- 230000008021 deposition Effects 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model relates to a device for increasing flue gas disturbance. In the prior art, the dust deposition in the wall-leaning area inside the boiler flue gas denitration device of the thermal power plant is serious, the airflow holes of the catalyst module are seriously blocked, the pressure difference between the front and the rear of the catalyst is increased, and the normal operation of a unit is seriously influenced. The composition of the utility model comprises: compressed air main pipe (7), compressed air main pipe pass vertical wall (4) of left and right sides, vertical wall in install bearing fixed sleeve (5), the cover inner wall be fixed with the outer lane of bearing (6), the inner circle of bearing install compressed air main pipe, compressed air main pipe on evenly install a set of gondola water faucet formula nozzle (2) the compressed air main pipe in the vertical wall outside on install automatic valve (8), manual valve (9) in proper order manual valve lower part install compressed air gas source jar (10). The utility model relates to a device for increasing flue gas disturbance.
Description
Technical Field
The utility model relates to the technical field of compressed air disturbance of dust and slag accumulation in dead angle areas, in particular to a disturbance device for boiler flue gas with a large amount of dust.
Background
The boiler flue gas of the thermal power plant contains a large amount of dust, the flue gas must be subjected to denitration treatment through a catalyst module, after long-time operation, the dust is easy to accumulate on the catalyst module, dead angle areas are formed in the wall-leaning areas of the acoustic soot blowers, and the phenomenon of 'black under lamp' is formed due to serious dust accumulation; in the prior art, ash deposition is serious in a wall-leaning area, airflow holes of a catalyst module are blocked seriously, pressure difference between the front and the back of the catalyst is increased, flue gas denitration effect is poor, and normal operation of a unit is seriously affected.
Disclosure of Invention
The utility model aims to provide a device for increasing flue gas disturbance. This structure can increase a set of gondola water faucet formula nozzle, increases the flue gas disturbance, and effectual clearance dead angle is deposited, reduces catalyst pressure differential, increases flue gas overflow volume, guarantees the operation of unit safe and reliable.
The above object is achieved by the following technical scheme:
an apparatus for increasing flue gas turbulence, comprising: the compressed air main pipe, the compressed air main pipe pass the vertical wall of left and right sides, vertical wall in install the fixed cover of bearing, the cover inner wall be fixed with the outer lane of bearing, the inner circle of bearing install the compressed air main pipe, the compressed air main pipe on evenly install a set of gondola water faucet formula nozzle install automatic valve, manual valve on the compressed air main pipe in the vertical wall outside in proper order the manual valve lower part install compressed air source jar.
The device for increasing the flue gas disturbance is characterized in that a group of shower nozzles are arranged at intervals of 1 meter, sound wave soot blowers are fixed on a horizontal wall through flanges, the sound wave soot blowers are uniformly arranged, and each sound wave soot blower is arranged between two shower nozzles.
Advantageous effects
1. According to the device for increasing the flue gas disturbance, the structure is provided with the shower nozzle, so that dust in a corner (dead angle) area is blown away, the flue gas disturbance is increased, dead angle dust accumulation can be effectively cleaned, the catalyst pressure difference is reduced, the flue gas flow rate is increased, the flue gas denitration effect is improved, and the safe and reliable operation of a unit is ensured.
2. According to the utility model, DN25 stainless steel compressed air pipelines are additionally arranged in a wall-leaning area, a compressed air shower nozzle is additionally arranged at intervals of 1 meter, a timing switch is additionally arranged on a compressed air main pipe, and the compressed air is set to be opened every 2 hours for continuous soot blowing for 2 minutes; on the one hand, the dust disturbance in the flue gas can be increased, so that the dust is uniformly distributed in the flue gas, and meanwhile, the dust in dead angle areas can be blown away, so that the problem of serious blockage of the air flow holes of the catalyst modules is solved.
3. According to the utility model, each shower nozzle is arranged between two sound wave soot blowers, or is arranged to be angled according to actual working conditions and aligned to dead angle areas, and the arrangement of the structure is convenient for thoroughly clearing dust accumulated on the catalyst module.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Wherein: 1. the device comprises an acoustic wave soot blower, 2, a shower nozzle, 3, a horizontal wall, 4, a vertical wall, 5, a bearing fixing sleeve, 6, a bearing, 7, a compressed air main pipe, 8, an automatic valve, 9, a manual valve, 10 and a compressed air source tank.
Detailed Description
Examples
An apparatus for increasing flue gas turbulence, comprising: the compressed air main pipe 7, the compressed air main pipe pass the vertical wall 4 of left and right sides, vertical wall in install the fixed cover 5 of bearing, the cover inner wall be fixed with the outer lane of bearing 6, the inner circle of bearing install the compressed air main pipe, the compressed air main pipe on evenly install a set of gondola water faucet formula nozzle 2 the compressed air main pipe in the vertical wall outside on install automatic valve 8, manual valve 9 in proper order the manual valve lower part install compressed air gas source jar 10.
Examples
According to the device for increasing flue gas disturbance in embodiment 1, a group of the shower nozzles are arranged at intervals of 1 meter, the acoustic soot blowers 1 are fixed on the horizontal wall 3 through flanges, the acoustic soot blowers are uniformly arranged, and each shower nozzle is arranged between two acoustic soot blowers.
The stainless steel compressed air pipeline with DN25 is adopted as the compressed air main pipe, a compressed air shower nozzle is arranged on the compressed air main pipe arranged in the wall at intervals of 1 meter respectively, the shower nozzle can be arranged at an angle at a position with more dust near the corner (dead angle area) of the horizontal wall and the vertical wall according to actual working conditions, the nozzle opening is right opposite to the dead angle area, and the problems of serious dust accumulation near the wall area and serious blockage of the air flow holes of the catalyst module are thoroughly solved.
The timing switch is additionally arranged on the compressed air main pipe, and the compressed air is set to be opened every 2 hours for continuous soot blowing for 2 minutes; on one hand, the dust disturbance in the flue gas can be increased, so that the dust is uniformly distributed in the flue gas; meanwhile, dust in dead angle areas can be blown away, and safe operation of the unit is effectively guaranteed.
Claims (2)
1. An apparatus for increasing flue gas turbulence, comprising: compressed air main pipe, characterized by: the compressed air main pipe pass the vertical wall of left and right sides, vertical wall in install the fixed cover of bearing, the cover inner wall be fixed with the outer lane of bearing, the inner circle of bearing install the compressed air main pipe, the compressed air main pipe on evenly install a set of gondola water faucet formula nozzle the compressed air main pipe in the vertical wall outside install automatic valve, manual valve on in proper order the manual valve lower part install compressed air gas source jar.
2. A device for increasing flue gas turbulence as recited in claim 1, wherein: the shower nozzles are arranged at intervals of 1 meter, the sound wave soot blowers are fixed on the horizontal wall through flanges, the sound wave soot blowers are uniformly arranged, and each sound wave soot blower is arranged between two shower nozzles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322561040.0U CN220771149U (en) | 2023-09-20 | 2023-09-20 | Device for increasing flue gas disturbance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322561040.0U CN220771149U (en) | 2023-09-20 | 2023-09-20 | Device for increasing flue gas disturbance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220771149U true CN220771149U (en) | 2024-04-12 |
Family
ID=90620517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322561040.0U Active CN220771149U (en) | 2023-09-20 | 2023-09-20 | Device for increasing flue gas disturbance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220771149U (en) |
-
2023
- 2023-09-20 CN CN202322561040.0U patent/CN220771149U/en active Active
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