CN218795064U - Gasifier waste gas denitrification facility - Google Patents
Gasifier waste gas denitrification facility Download PDFInfo
- Publication number
- CN218795064U CN218795064U CN202221711896.0U CN202221711896U CN218795064U CN 218795064 U CN218795064 U CN 218795064U CN 202221711896 U CN202221711896 U CN 202221711896U CN 218795064 U CN218795064 U CN 218795064U
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- China
- Prior art keywords
- wall
- waste gas
- pipe
- air
- air inlet
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- 239000002912 waste gas Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000007921 spray Substances 0.000 claims abstract description 18
- 238000002309 gasification Methods 0.000 claims description 14
- 238000005507 spraying Methods 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- 239000003546 flue gas Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 239000003595 mist Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to a waste gas denitration technique field especially relates to a gasifier waste gas denitration device, the power distribution box comprises a box body, one side outer wall of box is pegged graft and is had the subassembly that admits air, and admit air the subassembly including the reposition of redundant personnel shell, peg graft in the intake pipe of reposition of redundant personnel shell one side outer wall, be fixed in the flow distribution plate and the equidistance of reposition of redundant personnel shell both ends inner wall distribute in the baffle of flow distribution plate one side outer wall. The utility model has the advantages that through the arranged air inlet assembly, when air enters the shunting shell through the air inlet pipe, the air enters the air channel formed by the plurality of clapboards through the air vent to be dispersed and discharged through the interference of the shunting plate, so that the contact surface of waste gas and a water curtain is increased, and the full reaction of the waste gas and solution is facilitated; the solution is sprayed out in a mist shape from bottom to top through the inclined spray head, so that the solution forms an upward water curtain firstly, when the solution reaches the inclined upper part and begins to fall down, another water curtain is formed, the time for the solution to react with the waste gas is further prolonged, and the reaction is more sufficient.
Description
Technical Field
The utility model relates to a waste gas denitration technical field especially relates to a gasifier waste gas denitration device.
Background
The gasification furnace is easy to generate nitrogen oxide in the working process, and the nitrogen oxide can stimulate the lung of a human body, so that the human body is difficult to resist respiratory diseases such as cold; for the environment, nitrogen oxides, in combination with water in the air, are eventually converted to nitric acid, one of the causes of acid rain, and nitrates, which, with other pollutants, under certain conditions, can produce photochemical smog contamination. In order to prevent the gasification furnace from generating excessive NOx to pollute the environment in the working process, denitration treatment is required.
At present, the existing waste gas denitration equipment can remove sulfur and nitrate in waste gas by using a sodium hydroxide solution as a spray solution through a wet method technology, but has the defects that:
because the downward spraying speed of the solution is high and the formed water curtain is single, and the liquid and the gas are slowly fused with each other, the desulfurization efficiency is low, the desulfurization requirement cannot be met, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a gasifier waste gas denitration device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a waste gas denitration device of a gasification furnace comprises a box body, wherein an air inlet assembly is inserted into the outer wall of one side of the box body, and the air inlet assembly comprises a flow distribution shell, an air inlet pipe inserted into the outer wall of one side of the flow distribution shell, flow distribution plates fixed on the inner walls of two ends of the flow distribution shell and partition plates equidistantly distributed on the outer wall of one side of the flow distribution plate;
the inner walls of two sides of the box body are both fixed with trapezoidal blocks, and the inner wall of the other side of the box body is inserted with a spraying assembly;
the spray assembly comprises a U-shaped pipe, a fixed pipe inserted into the outer wall of one side of the U-shaped pipe, connecting pipes inserted into the inner walls of the two sides of the U-shaped pipe at equal intervals, and spray heads distributed on the outer wall of the connecting pipes at equal intervals, wherein the top of the outer wall of the other side of the box body is inserted with an air outlet pipe.
Preferably, the outer wall of one side of the flow distribution plate is provided with vent holes distributed equidistantly along the length direction, and the vent holes distributed equidistantly are distributed vertically and symmetrically.
Preferably, a water tank is placed at the bottom in the tank body, a drain pipe is fixedly connected to the outer wall of one side of the water tank in an inserted mode, and the drain pipe is connected with a recovery tank through a pipeline.
Preferably, the tops of the two trapezoidal blocks are provided with grids, and the bottom of the spraying assembly is attached to the tops of the grids.
Preferably, both ends of the U-shaped pipe are sealing structures, and the spray heads are distributed on the outer wall of the connecting pipe in an inclined angle.
Preferably, one side of the air inlet assembly is provided with a gasification furnace, the gasification furnace and the air inlet assembly are communicated with each other through an air pump and a pipeline, one side of the spraying assembly is provided with a liquid storage tank, and the liquid storage tank and the spraying assembly are communicated with each other through a water pump and a pipeline.
The utility model has the advantages that:
1. through the arranged gas inlet assembly, when gas enters the shunting shell through the gas inlet pipe, the gas enters the air channel formed by the plurality of partition plates through the vent holes to be dispersed and discharged through the interference of the shunting plates, so that the contact surface of waste gas and a water curtain is enlarged, and the full reaction of the waste gas and a solution is facilitated;
2. the solution is sprayed out in a mist shape from bottom to top through the inclined spray head, so that the solution forms an upward water curtain firstly, when the solution reaches the inclined upper part and begins to fall down, another water curtain is formed, the time for the solution to react with the waste gas is further prolonged, and the reaction is more sufficient.
Drawings
Fig. 1 is a schematic front sectional view of the overall structure of a gasifier waste gas denitration device provided by the utility model;
fig. 2 is a schematic structural view of an air inlet assembly of a gasifier exhaust gas denitration device provided by the utility model;
fig. 3 is a schematic structural view of a spraying assembly of the waste gas denitration device of the gasification furnace provided by the utility model;
fig. 4 is the utility model provides a gasifier exhaust gas denitration device's device and gasifier connection structure sketch map.
In the figure: 1. a box body; 2. an air intake assembly; 3. a shunt shell; 4. an air inlet pipe; 5. a flow distribution plate; 6. a partition plate; 7. a water tank; 8. a trapezoidal block; 9. a grid; 10. a spray assembly; 11. a U-shaped pipe; 12. a fixed tube; 13. a connecting pipe; 14. a spray head; 15. and an air outlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example (b):
referring to fig. 1 and 2, a gasifier waste gas denitration device, including a box 1, an air inlet assembly 2 is inserted into the outer wall of one side of the box 1, the air inlet assembly 2 includes a splitter housing 3, an air inlet pipe 4 inserted into the outer wall of one side of the splitter housing 3, splitter plates 5 fixed to the inner walls of two ends of the splitter housing 3 and partition plates 6 equidistantly distributed on the outer wall of one side of the splitter plate 5, air holes equidistantly distributed along the length direction are formed in the outer wall of one side of the splitter plate 5, the air holes equidistantly distributed are vertically and symmetrically distributed, air enters the splitter housing 3 through the air inlet pipe 4, and the waste gas is dispersedly discharged through an air duct formed by the partition plates 6 through interference of the splitter plates 5, so that the contact surface between the waste gas and a water curtain is increased;
referring to fig. 1, a water tank 7 is arranged at the bottom in a box body 1, a drain pipe is fixedly inserted into the outer wall of one side of the water tank 7, the drain pipe is connected with a recovery tank through a pipeline, the sprayed solution is collected by the water tank 7, and the reacted solution is discharged into the recovery tank through the drain pipe to be treated;
referring to fig. 1 and 3, a spraying assembly 10 is inserted into the inner wall of the other side of the box body 1, the spraying assembly 10 comprises a U-shaped pipe 11, a fixed pipe 12 inserted into the outer wall of one side of the U-shaped pipe 11, connecting pipes 13 inserted into the inner walls of the two sides of the U-shaped pipe 11 at equal intervals, and spray heads 14 distributed on the outer walls of the connecting pipes 13 at equal intervals, an air outlet pipe 15 is inserted into the top of the outer wall of the other side of the box body 1, the two ends of the U-shaped pipe 11 are both sealed, the spray heads 14 are distributed on the outer wall of the connecting pipes 13 at an inclined angle, the solution is sprayed out from bottom to top in an inclined manner by the inclined spray heads 14, so that the solution forms an upward water curtain and a downward water curtain, the reaction time with waste gas is increased, and the water curtain formed by the connecting pipes 13 is matched, so that the reaction is more sufficient;
referring to fig. 4, a gasification furnace is arranged on one side of the air inlet assembly 2, the gasification furnace and the air inlet assembly 2 are communicated with each other through an air pump and a pipeline, a liquid storage tank is arranged on one side of the spray assembly 10, and the liquid storage tank and the spray assembly 10 are communicated with each other through a water pump and a pipeline.
The working principle is as follows:
during the use, gaseous 4 entering reposition of redundant personnel shells 3 through the intake pipe in, through the interference of flow distribution plate 5, waste gas carries out dispersion discharge through the wind channel that a plurality of baffles 6 formed, get into box 1 back by reposition of redundant personnel shell 3 exhaust waste gas, spout from up tilting down with solution by the shower nozzle 14 of slope, make solution constitute upwards and decurrent twice water curtain, the time of reacting with waste gas has been increased, the water curtain that the cooperation a plurality of connecting pipes 13 constitute, it is more abundant to make the reaction, fall on trapezoidal block 8 by trapezoidal block 8 to the solution after spraying, drainage through trapezoidal block 8 makes solution flow in basin 7 collect, the solution after the rethread drain pipe will react is discharged into the recovery pond and is waited for processing, gaseous then through outlet duct 15 discharge box 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A waste gas denitration device of a gasification furnace comprises a box body (1) and is characterized in that an air inlet assembly (2) is inserted into the outer wall of one side of the box body (1), and the air inlet assembly (2) comprises a shunting shell (3), an air inlet pipe (4) inserted into the outer wall of one side of the shunting shell (3), shunting plates (5) fixed on the inner walls of the two ends of the shunting shell (3) and partition plates (6) distributed on the outer wall of one side of the shunting plates (5) at equal intervals;
the inner walls of two sides of the box body (1) are both fixed with trapezoidal blocks (8), and the inner wall of the other side of the box body (1) is inserted with a spraying assembly (10);
the spraying assembly (10) comprises a U-shaped pipe (11), a fixed pipe (12) inserted in the outer wall of one side of the U-shaped pipe (11), connecting pipes (13) inserted in the inner walls of the two sides of the U-shaped pipe (11) at equal intervals and spray heads (14) distributed on the outer wall of the connecting pipes (13) at equal intervals, and an air outlet pipe (15) is inserted in the top of the outer wall of the other side of the box body (1).
2. The waste gas denitration device of the gasification furnace according to claim 1, wherein the outer wall of one side of the flow distribution plate (5) is provided with vent holes distributed equidistantly along the length direction, and the vent holes distributed equidistantly are distributed in a vertically symmetrical manner.
3. The gasifier waste gas denitration device according to claim 1, characterized in that a water tank (7) is placed at the bottom inside the box body (1), and a drain pipe is fixedly inserted into the outer wall of one side of the water tank (7), and the drain pipe is connected with a recovery tank through a pipeline.
4. The gasifier flue gas denitration device according to claim 1, wherein a grid (9) is placed on the top of each of the two trapezoidal blocks (8), and the bottom of the spray assembly (10) is attached to the top of the grid (9).
5. The denitration device for the exhaust gas of the gasification furnace according to claim 1, wherein both ends of the U-shaped pipe (11) are sealed structures, and the spray heads (14) are distributed on the outer wall of the connecting pipe (13) in an inclined angle.
6. The waste gas denitration device of the gasification furnace according to claim 1, wherein a gasification furnace is arranged on one side of the air inlet assembly (2), the gasification furnace and the air inlet assembly (2) are communicated with a pipeline through an air pump, a liquid storage tank is arranged on one side of the spray assembly (10), and the liquid storage tank and the spray assembly (10) are communicated with the pipeline through a water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221711896.0U CN218795064U (en) | 2022-07-05 | 2022-07-05 | Gasifier waste gas denitrification facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221711896.0U CN218795064U (en) | 2022-07-05 | 2022-07-05 | Gasifier waste gas denitrification facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218795064U true CN218795064U (en) | 2023-04-07 |
Family
ID=87272294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221711896.0U Active CN218795064U (en) | 2022-07-05 | 2022-07-05 | Gasifier waste gas denitrification facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218795064U (en) |
-
2022
- 2022-07-05 CN CN202221711896.0U patent/CN218795064U/en active Active
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