CN220939904U - Tail gas recovery device - Google Patents
Tail gas recovery device Download PDFInfo
- Publication number
- CN220939904U CN220939904U CN202322197316.1U CN202322197316U CN220939904U CN 220939904 U CN220939904 U CN 220939904U CN 202322197316 U CN202322197316 U CN 202322197316U CN 220939904 U CN220939904 U CN 220939904U
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- China
- Prior art keywords
- pipe
- fixedly arranged
- denitration
- gas
- gas recovery
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- 238000011084 recovery Methods 0.000 title claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 27
- 230000001954 sterilising effect Effects 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims description 25
- 238000004659 sterilization and disinfection Methods 0.000 claims description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 239000003610 charcoal Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 10
- 239000007789 gas Substances 0.000 abstract description 62
- 239000002912 waste gas Substances 0.000 abstract description 39
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003546 flue gas Substances 0.000 abstract description 6
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 238000005485 electric heating Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 description 33
- 239000000779 smoke Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- -1 air-purifying Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of tail gas recovery and discloses a tail gas recovery device which comprises a gas collecting bent pipe, wherein a demisting pipe is fixedly arranged on one side of the gas collecting bent pipe, a connecting pipe is fixedly arranged at the lower end of one side of the demisting pipe, a denitration pipe is fixedly arranged on one side of the connecting pipe, a dedusting and sterilizing pipe is fixedly arranged on one side of the denitration pipe, a reducing agent tank is fixedly arranged at the upper end of the denitration pipe, and a water collecting tank is fixedly arranged at the lower end of the denitration pipe. According to the device, the demisting pipe is arranged, the heating pipelines are arranged inside the demisting pipe, a large amount of waste gas is dispersed into a small amount of waste gas, then the waste gas passes through the pipelines, the electric heating wires are arranged inside the pipelines, the moisture in the waste gas is mostly dried when the waste gas passes through the pipelines, dew condensation is reduced, the waste gas continuously passes through the denitration pipe, the reducing agent is sprayed into the denitration pipe through the spray head, and the sprayed reducing agent reduces nitrogen oxides in the flue gas into harmless nitrogen and water.
Description
Technical Field
The utility model relates to the technical field of tail gas recovery, in particular to a tail gas recovery device.
Background
In fertilizer production technology, need use the fertilizer after utilizing the drying-oven to dry, the drying-oven can produce a large amount of waste gas in the use, and drying-machine waste gas amount of wind is big, and dust-containing concentration is high, and moisture is big, and the dew point is high, and easy dew formation, the emission point is high, and pollution scope is wide, if: the amount of smoke, sulfur dioxide and nitrogen oxides, thus an exhaust gas recovery device is needed to prevent the exhaust gas from polluting the environment.
The existing exhaust gas recovery device concentrates the boiler exhaust gas in the production process in a closed workshop, and the collected organic exhaust gas is discharged at high altitude after being treated by exhaust gas treatment equipment, the existing exhaust gas treatment device collects the exhaust gas through the workshop, the waste gas is inconvenient to move, when the drying furnace is abandoned, the workshop is inactive, and huge economic waste is generated, so that a person skilled in the art provides an exhaust gas recovery device to solve the problems in the background art.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a tail gas recovery device, which is characterized in that a plurality of heating pipelines are arranged in the tail gas recovery device by arranging a demisting pipe, a large amount of waste gas is dispersed into a small amount of waste gas, then the waste gas passes through the pipelines, heating wires are arranged in the pipelines, most of moisture in the waste gas is dried when passing through the pipelines, dew condensation is reduced, the waste gas continues to pass through a denitration pipe, a reducing agent is sprayed into the denitration pipe through a spray nozzle, nitrogen oxides in the flue gas are reduced into harmless nitrogen and water by the sprayed reducing agent, finally the gas passes through a dedusting and sterilizing pipe, a bamboo charcoal fiber pipe is arranged in the dedusting and sterilizing pipe, dust in the waste gas is absorbed, harmful gas in the gas is absorbed, and finally the gas enters air through a filter screen.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the tail gas recovery device comprises a gas collection bent pipe, wherein a demisting pipe is fixedly arranged on one side of the gas collection bent pipe, a connecting pipe is fixedly arranged at the lower end of one side of the demisting pipe, and a denitration pipe is fixedly arranged on one side of the connecting pipe;
A dedusting and sterilizing pipe is fixedly arranged at one side of the denitration pipe, a reducing agent tank is fixedly arranged at the upper end of the denitration pipe, and a water collecting tank is fixedly arranged at the lower end of the denitration pipe;
Through above-mentioned technical scheme, defogging pipe is inside to set up a plurality of heating pipelines, disperse a large amount of waste gas into a small amount of waste gas, the pipeline is inside to be provided with the heating wire again through the pipeline, inside moisture is most dried when waste gas passes through the pipeline, reduce the dewfall, the connecting pipe is favorable to gas circulation, waste gas continues through the denitration pipe, spout the reductant into the denitration pipe through the shower nozzle, nitrogen oxide in the reductant of spouting will flue gas reduces harmless nitrogen gas and water, gaseous again through the dust removal disinfection pipe at last, the inside bamboo charcoal fiber pipe that is provided with of dust removal disinfection pipe, with the inside dust absorption of waste gas, still absorb the inside harmful gas of gas, the reductant case is favorable to the device reductant, the header tank is favorable to the drop of water that produces after the device reduction.
Further, a fixed pipe is fixedly arranged in the demisting pipe, a plurality of heating pipelines are fixedly arranged in the fixed pipe, and a plurality of heating wires are fixedly arranged in the heating pipelines;
through above-mentioned technical scheme, fixed pipe is favorable to heating pipeline's fixed, and heating pipeline is favorable to heating exhaust gas, reduces the dewfall, and the heating wire is favorable to heating pipeline heating, and this device outer end even electricity uses.
Further, heating plates are embedded and fixed on the inner walls of the two sides of the denitration pipe, and a water pump is fixedly arranged in the reducing agent box;
Through the technical scheme, the heating plate is favorable for improving the internal temperature of the denitration pipe, carrying out oxidation-reduction reaction, and the water pump is favorable for spraying the reducing agent into the denitration pipe body through the spray head.
Further, an air outlet is fixedly arranged at the lower end of one side of the dedusting and sterilizing pipe, and a filter screen is fixedly arranged at one side of the air outlet in a threaded manner;
through above-mentioned technical scheme, the gas outlet is favorable to the discharge of gas, and the filter screen is favorable to filtering the dust in the gas, and the visor is fixed through the bolt to the pipeline upper end, all can open.
Further, a bamboo charcoal fiber pipe is fixedly arranged in the dedusting and sterilizing pipe, and a suction fan is fixedly arranged at the lower end of the inner wall of one side of the dedusting and sterilizing pipe;
Through the technical scheme, the bamboo charcoal fiber pipe is favorable for adsorbing dust, can also absorb odor, remove smoke odor and peculiar smell, purify air, and the suction fan is favorable for guiding exhaust gas to be discharged.
Further, a spray head is fixedly arranged at the water outlet of the water pump;
Through the technical scheme, the spray head is favorable for uniformly spraying the reducing agent, and the reaction effect is enhanced.
Further, a water outlet is formed in the lower end of one side of the water collecting tank;
through the technical scheme, the water outlet is beneficial to discharging water in the water collecting tank.
Further, the rear ends of the demisting pipe, the denitration pipe and the dedusting and sterilizing pipe are fixedly provided with fixing plates;
Through above-mentioned technical scheme, the fixed plate is favorable to installing this device in the stoving stove outside.
The utility model has the following beneficial effects:
1. According to the tail gas recovery device, the demisting pipe is arranged, the heating pipelines are arranged in the demisting pipe, a large amount of waste gas is dispersed into a small amount of waste gas, then the waste gas passes through the pipelines, the electric heating wires are arranged in the pipelines, the moisture in the waste gas is mostly dried when passing through the pipelines, dew condensation is reduced, the waste gas continuously passes through the denitration pipe, the reducing agent is sprayed into the denitration pipe through the spray head, and the sprayed reducing agent reduces nitrogen oxides in the flue gas into harmless nitrogen and water.
2. According to the tail gas recovery device provided by the utility model, finally, gas passes through the dust removal and disinfection pipe, the bamboo charcoal fiber pipe is arranged in the dust removal and disinfection pipe to absorb dust in the waste gas and harmful gas in the gas, finally, the gas enters the air through the filter screen, the bamboo charcoal fiber pipe is favorable for adsorbing the dust, can also absorb odor and remove smoke odor, the air is purified, the suction fan is favorable for guiding the waste gas to be discharged, the air port is favorable for discharging the gas, the filter screen is favorable for filtering the dust in the gas, and the upper end of the pipeline is fixed with the protective cover through the bolts and can be opened.
Drawings
FIG. 1 is a schematic axial view of an exhaust gas recovery apparatus according to the present utility model;
FIG. 2 is a schematic front sectional view of an exhaust gas recovery apparatus according to the present utility model;
fig. 3 is an enlarged schematic view of the structure of the tail gas recovery device a according to the present utility model;
Fig. 4 is a schematic side view of a fixing tube of an exhaust gas recovery apparatus according to the present utility model.
Legend description:
1. A gas collecting bent pipe; 2. a demisting pipe; 3. a denitration tube; 4. a connecting pipe; 5. a dust removal and disinfection tube; 6. a fixing plate; 7. an air outlet; 8. a filter screen; 9. a reducing agent tank; 10. a water collection tank; 11. a water outlet; 12. a heating plate; 13. a water pump; 14. a spray head; 15. a bamboo charcoal fiber tube; 16. a suction fan; 17. a fixed tube; 18. a heating pipe; 19. heating wire.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a tail gas recovery device, including receiving gas return bend 1, receive gas return bend 1 one side fixedly provided with defogging pipe 2, defogging pipe 2 sets up a plurality of heating pipeline 18 inside, disperse a large amount of waste gas into a small amount of waste gas, the pipeline is again passed through, the pipeline is inside to be provided with heating wire 19, the inside moisture is most dried when waste gas passes through the pipeline, reduce the dewing, defogging pipe 2 one side lower extreme is fixedly provided with connecting pipe 4, be favorable to the gas circulation, connecting pipe 4 one side is fixedly provided with denitration pipe 3, waste gas continues to pass through denitration pipe 3, spout the reductant into denitration pipe 3 through shower nozzle 14, the nitrogen oxide in the flue gas is reduced to harmless nitrogen gas and water to the reductant that spouts;
The denitration pipe 3 is fixed to be provided with dust removal disinfection pipe 5 on one side, and the inside bamboo charcoal fiber pipe 15 that is provided with of dust removal disinfection pipe 5 absorbs the inside dust of waste gas, still absorbs gaseous inside harmful gas, and the fixed reductant case 9 that is provided with in denitration pipe 3 upper end is favorable to the device reductant, and the fixed header tank 10 that is provided with in denitration pipe 3 lower extreme is favorable to the drop of water that produces after the device reduction.
The inside fixed pipe 17 that is provided with of defogging pipe 2 is favorable to the fixed of heating pipe 18, and the inside fixed a plurality of heating pipe 18 that are provided with of fixed pipe 17 is favorable to the exhaust gas heating, reduces the dewfall, and a plurality of heating wires 19 are provided with to the inside fixed of a plurality of heating pipe 18, is favorable to heating pipe 18 heating, and this device outer end even electricity uses, and the equal embedding of denitration pipe 3 both sides inner wall is fixed with hot plate 12, is favorable to improving denitration pipe 3 inside temperature, carries out redox reaction, and the inside fixed water pump 13 that is provided with of reductant case 9 is favorable to spouting the reductant into denitration pipe 3 through shower nozzle 14.
The dust removal disinfection pipe 5 one side lower extreme is fixed to be provided with gas outlet 7, be favorable to gaseous discharge, gas outlet 7 one side screw thread is fixed with filter screen 8, be favorable to filtering the dust in the gas, the pipeline upper end is through the bolt fastening visor, all can open, the inside fixed bamboo charcoal fiber pipe 15 that is provided with of dust removal disinfection pipe 5, be favorable to adsorbing the dust, still can inhale the stink, get rid of the peculiar smell of smoke, air-purifying, dust removal disinfection pipe 5 one side inner wall lower extreme fixed be provided with suction fan 16, be favorable to guiding the exhaust gas to discharge, the fixed shower nozzle 14 that is provided with in water pump 13 water outlet, be favorable to evenly blowout reductant, the effect of reaction is strengthened, delivery port 11 has been seted up to water tank 10 one side lower extreme, be favorable to water discharge in the water tank 10, the defogging pipe 2, denitration pipe 3 and dust removal disinfection pipe 5 rear end are all fixed be provided with fixed plate 6, be favorable to installing this device outside the stoving stove.
Working principle: when the device is used, the gas receiving bent pipe 1 is fixedly connected with the gas outlet part of the drying furnace, the other side of the gas receiving bent pipe 1 is connected with the demisting pipe 2, the device is fixed on the drying furnace through the fixing plate 6, waste gas passes through the demisting pipe 2, a plurality of heating pipelines 18 are arranged in the interior, a large amount of waste gas is dispersed into a small amount of waste gas, the waste gas passes through the pipelines, the electric heating wires 19 are arranged in the pipelines, the moisture in the waste gas is mostly dried when passing through the pipelines, dew condensation is reduced, the waste gas continues to pass through the denitration pipe 3, the reducing agent is sprayed into the denitration pipe 3 through the spray nozzle 14, nitrogen oxides in the flue gas are reduced into harmless nitrogen and water by the sprayed reducing agent, finally, part of dust in the waste gas is absorbed by the dedusting disinfection pipe 5, harmful gas in the gas is absorbed by the dedusting disinfection pipe 5, and finally, the gas enters the air through the filter screen 8.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a tail gas recovery device, includes receipts gas return bend (1), its characterized in that: a demisting pipe (2) is fixedly arranged on one side of the air collecting bent pipe (1), a connecting pipe (4) is fixedly arranged at the lower end of one side of the demisting pipe (2), and a denitration pipe (3) is fixedly arranged on one side of the connecting pipe (4);
The dust removal disinfection pipe (5) is fixedly arranged on one side of the denitration pipe (3), the reducing agent box (9) is fixedly arranged at the upper end of the denitration pipe (3), and the water collecting tank (10) is fixedly arranged at the lower end of the denitration pipe (3).
2. An exhaust gas recovery apparatus according to claim 1, wherein: the demisting pipe is characterized in that a fixing pipe (17) is fixedly arranged inside the demisting pipe (2), a plurality of heating pipelines (18) are fixedly arranged inside the fixing pipe (17), and a plurality of heating wires (19) are fixedly arranged inside the heating pipelines (18).
3. An exhaust gas recovery apparatus according to claim 1, wherein: the inner walls of two sides of the denitration pipe (3) are embedded and fixed with heating plates (12), and a water pump (13) is fixedly arranged in the reducing agent box (9).
4. An exhaust gas recovery apparatus according to claim 1, wherein: an air outlet (7) is fixedly arranged at the lower end of one side of the dust removal and disinfection tube (5), and a filter screen (8) is fixedly arranged at one side of the air outlet (7) through threads.
5. An exhaust gas recovery apparatus according to claim 1, wherein: the inside of the dedusting and sterilizing tube (5) is fixedly provided with a bamboo charcoal fiber tube (15), and the lower end position of the inner wall of one side of the dedusting and sterilizing tube (5) is fixedly provided with a suction fan (16).
6. A tail gas recovery device as claimed in claim 3, wherein: the water outlet of the water pump (13) is fixedly provided with a spray head (14).
7. An exhaust gas recovery apparatus according to claim 1, wherein: a water outlet (11) is formed in the lower end of one side of the water collecting tank (10).
8. An exhaust gas recovery apparatus according to claim 1, wherein: the rear ends of the demisting pipe (2), the denitration pipe (3) and the dedusting and sterilizing pipe (5) are fixedly provided with a fixing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322197316.1U CN220939904U (en) | 2023-08-16 | 2023-08-16 | Tail gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322197316.1U CN220939904U (en) | 2023-08-16 | 2023-08-16 | Tail gas recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220939904U true CN220939904U (en) | 2024-05-14 |
Family
ID=91016254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322197316.1U Active CN220939904U (en) | 2023-08-16 | 2023-08-16 | Tail gas recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220939904U (en) |
-
2023
- 2023-08-16 CN CN202322197316.1U patent/CN220939904U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |