CN220852200U - Tail gas treatment device for steam boiler - Google Patents
Tail gas treatment device for steam boiler Download PDFInfo
- Publication number
- CN220852200U CN220852200U CN202322674368.3U CN202322674368U CN220852200U CN 220852200 U CN220852200 U CN 220852200U CN 202322674368 U CN202322674368 U CN 202322674368U CN 220852200 U CN220852200 U CN 220852200U
- Authority
- CN
- China
- Prior art keywords
- water
- heat exchange
- cooling box
- box
- water tank
- 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 238000005406 washing Methods 0.000 claims abstract description 21
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 11
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 abstract description 23
- 239000002912 waste gas Substances 0.000 abstract description 14
- 239000000779 smoke Substances 0.000 abstract description 10
- 239000000428 dust Substances 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 239000000446 fuel Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Chimneys And Flues (AREA)
Abstract
The utility model relates to the field of steam boilers and discloses a tail gas treatment device of a steam boiler, which comprises a combustion furnace, a cooling box, a water tank and a gas washing cylinder, wherein ammonia water is filled in the gas washing cylinder, the cooling box and the water tank are positioned on the right side of the combustion furnace, the cooling box is positioned above the water tank, a connecting pipe is fixedly communicated between the left side wall of the cooling box and the top of the combustion furnace, the inner wall of the cooling box is fixedly connected with a heat exchange box, a filter element is slidably connected between the inner walls of the heat exchange box, a cover plate I is slidably connected to the top of the heat exchange box, and the right end of the connecting pipe is fixedly communicated with the left side wall of the heat exchange box. According to the utility model, the water in the water tank and the cooling tank is circulated through the water pump, water resources are saved, meanwhile, the waste gas is cooled, the filter element is utilized to filter smoke dust in the waste gas, the smoke dust and the reaction solution are prevented from being mixed due to direct water washing, recycling is inconvenient, the waste gas is directly introduced into the bottom of the gas washing cylinder to react with ammonia water after being filtered, the contact with the ammonia water is more sufficient, and the water washing efficiency is high.
Description
Technical Field
The utility model relates to a steam boiler field specifically is a steam boiler tail gas processing apparatus.
Background
The steam boiler can be divided into an electric steam boiler, a fuel steam boiler, a gas steam boiler and the like according to fuel, and can be divided into a manual combustion steam boiler and a full-automatic chain combustion steam boiler according to a fuel supply mode, tail gas generated by combustion of the steam boiler contains sulfur dioxide, nitrogen oxides, smoke dust and smoke gas, the tail gas is directly discharged into the atmosphere to pollute the environment, the tail gas is mainly treated by a desulfurization process at present, water washing is carried out after the tail gas is cooled, a large amount of smoke dust contained in the tail gas can be mixed in a water washing reaction solution, and is accumulated or mixed in the solution at the bottom of a water washing tank, so that the reaction solution and the tail gas cannot fully react, and produced byproducts are not easy to recover.
Disclosure of utility model
In order to overcome the defects, the utility model provides a tail gas treatment device of a steam boiler.
The utility model adopts the technical scheme that:
The utility model provides a steam boiler tail gas treatment device, including the combustion furnace, the cooling tank, water tank and wash a gas section of thick bamboo, it has aqueous ammonia to fill in the wash a gas section of thick bamboo, cooling tank and water tank are located the combustion furnace right side, the cooling tank is located the water tank top, fixedly connected with connecting pipe between the left side wall of cooling tank and the top of combustion furnace, the inner wall fixedly connected with heat exchange box of cooling tank, sliding connection has the filter core between the inner wall of heat exchange box, the top sliding connection of heat exchange box has apron one, the right-hand member of connecting pipe and the left side wall of heat exchange box are fixed to be linked together, fixedly connected with upper hose and downcomer respectively between the front and back lateral wall of cooling tank and the front and back lateral wall of water tank, the interior bottom fixedly connected with water pump of water tank, the output and the bottom intercommunication of upper hose of wash a gas section of thick bamboo are located the right side below of cooling tank, the top sliding connection of wash a gas section of thick bamboo has the breather pipe, the right side wall fixedly connected with breather pipe of the breather pipe of heat exchange box, the right-hand member runs through cooling tank and apron two, the right-hand member of breather pipe extends to the interior bottom of washing a apron, the top of two is fixedly connected with the outlet duct.
The utility model has the beneficial effects that:
According to the utility model, the water in the water tank and the cooling tank is circulated through the water pump, water resources are saved, meanwhile, the waste gas is cooled, the filter element is utilized to filter smoke dust in the waste gas, the smoke dust and the reaction solution are prevented from being mixed due to direct water washing, recycling is inconvenient, the waste gas is directly introduced into the bottom of the gas washing cylinder to react with ammonia water after being filtered, the contact with the ammonia water is more sufficient, and the water washing efficiency is high.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a cross-sectional view of the present utility model.
The reference numerals in all figures are specifically: 1. a combustion furnace; 2. a cooling box; 3. a heat exchange box; 4. a connecting pipe; 5. a filter element; 6. a cover plate I; 7. a water tank; 8. a water supply pipe; 9. a water supply pipe; 10. a water pump; 11. washing the inflator; 12. a cover plate II; 13. a vent pipe; 14. and an air outlet pipe.
Detailed Description
As shown in fig. 1-2: the utility model provides a steam boiler tail gas treatment device, including burning furnace 1, cooling tank 2, water tank 7 and wash-out section of thick bamboo 11, the ammonia water has been poured into in the wash-out section of thick bamboo 11, cooling tank 2 and water tank 7 are located burning furnace 1 right side, cooling tank 2 is located water tank 7 top, fixed intercommunication has connecting pipe 4 between the left side wall of cooling tank 2 and the top of burning furnace 1, the inner wall fixedly connected with heat exchange box 3 of cooling tank 2, sliding connection has filter core 5 between the inner wall of heat exchange box 3, the top sliding connection of heat exchange box 3 has apron one 6, the right-hand member of connecting pipe 4 and the left side wall fixed intercommunication of heat exchange box 3, fixed intercommunication has upper water pipe 9 and downcomer 8 respectively between the front and back lateral wall of cooling tank 2 and the front and back lateral wall of water tank 7, the interior bottom wall fixedly connected with water pump 10 of water pump 10, the output and the bottom intercommunication of upper water pipe 9 of water pump 11 are located the right side below of cooling tank 2, the top sliding connection of wash-out section of thick bamboo 11 has apron two 12, the right side wall fixedly connected with breather pipe 13 of heat exchange box 3, the right side wall of breather pipe 13 runs through cooling tank 2 and apron two 12, the right end of breather pipe 13 runs through, the inner bottom 12 of breather pipe 13 extends to the bottom of the wash-out pipe 12 of the wash-out section of thick bamboo, top 14 is fixed, top extension of the top of the breather pipe is had.
The waste gas that the combustion furnace 1 produced is arranged in the heat exchange box 3 through connecting pipe 4, and the cold water in the water tank 7 is taken out to the cooling tank 2 along water-feeding pipe 9 by water pump 10 and carries out heat exchange with the heat exchange box 3, reduces the temperature of waste gas, and the water in the cooling tank 2 flows back to the water tank 7 along down water pipe 8, and the smoke and dust that contains in the waste gas is filtered through filter core 5 after, and waste gas is discharged into the bottom in the gas washing tube 11 along breather pipe 13, fully reacts with aqueous ammonia, again is discharged to the atmosphere through outlet duct 14.
According to the utility model, the water in the water tank 7 and the cooling tank 2 is circulated through the water pump 10, water resources are saved, meanwhile, the waste gas is cooled, the filter element 5 is used for filtering smoke dust in the waste gas, the smoke dust and a reaction solution are prevented from being mixed due to direct washing, recycling is inconvenient, the waste gas is directly introduced into the inner bottom of the washing cylinder 11 to react with ammonia water after being filtered, the waste gas is fully contacted with the ammonia water, and the washing efficiency is high.
Claims (1)
1. A steam boiler tail gas treatment device is characterized by comprising a combustion furnace (1), a cooling box (2), a water tank (7) and a gas washing cylinder (11), ammonia water is filled in the gas washing cylinder (11), the cooling box (2) and the water tank (7) are positioned on the right side of the combustion furnace (1), the cooling box (2) is positioned above the water tank (7), a connecting pipe (4) is fixedly communicated between the left side wall of the cooling box (2) and the top of the combustion furnace (1), a heat exchange box (3) is fixedly connected to the inner wall of the cooling box (2), a filter core (5) is slidably connected between the inner wall of the heat exchange box (3), a cover plate I (6) is slidably connected to the top of the heat exchange box (3), an upper water pipe (9) and a lower water pipe (8) are fixedly communicated between the right end of the connecting pipe (4) and the left side wall of the heat exchange box (3), a water pump (10) is fixedly connected to the inner bottom wall of the water tank (7) and the upper water pipe (9), a vent pipe (11) is fixedly connected to the right side wall of the gas washing cylinder (11) on the right side of the top of the cooling box (3), the right end of the vent pipe (13) penetrates through the cooling box (2) and the cover plate II (12), the right end of the vent pipe (13) extends to the inner bottom of the gas washing cylinder (11), and the top of the cover plate II (12) is fixedly communicated with the gas outlet pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322674368.3U CN220852200U (en) | 2023-10-07 | 2023-10-07 | Tail gas treatment device for steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322674368.3U CN220852200U (en) | 2023-10-07 | 2023-10-07 | Tail gas treatment device for steam boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220852200U true CN220852200U (en) | 2024-04-26 |
Family
ID=90778774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322674368.3U Active CN220852200U (en) | 2023-10-07 | 2023-10-07 | Tail gas treatment device for steam boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220852200U (en) |
-
2023
- 2023-10-07 CN CN202322674368.3U patent/CN220852200U/en active Active
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