CN112138543A - Soot blower for smoke abatement and NOx control of diesel tail gas - Google Patents
Soot blower for smoke abatement and NOx control of diesel tail gas Download PDFInfo
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- CN112138543A CN112138543A CN202010852375.6A CN202010852375A CN112138543A CN 112138543 A CN112138543 A CN 112138543A CN 202010852375 A CN202010852375 A CN 202010852375A CN 112138543 A CN112138543 A CN 112138543A
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- soot blower
- soot
- adsorption mechanism
- smoke abatement
- nox control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention relates to the technical field of tail gas treatment, in particular to a soot blowing device for smoke abatement and NOx treatment of diesel tail gas, which comprises a collection box, a soot blowing mechanism and an adsorption mechanism, wherein the soot blowing mechanism comprises a gas storage pipe, a valve, a metal corrugated pipe and a gas injection pipe, the side wall of the gas storage pipe is provided with a connecting hole, one end of the valve is connected with the connecting hole, the other end of the valve is communicated with one end of the metal corrugated pipe, the gas injection pipe is sleeved at the other end of the metal corrugated pipe, and the side wall of the gas injection pipe is provided with; the soot blowing mechanism is sleeved in the collecting box, the adsorption mechanism is arranged in the collecting box and located on one side of the soot blowing mechanism, the adsorption mechanism and the soot blowing mechanism are arranged in parallel, the nozzle faces the plane where the adsorption mechanism is located perpendicularly, and the adsorption mechanism is provided with a catalyst. The soot blower has the advantages that the soot blower is provided with the soot blowing mechanism to blow off dust and black particles on the surface of the catalyst on the adsorption mechanism while working, so that the labor cost can be reduced, and the characteristic of long maintenance time of the soot blower is realized.
Description
Technical Field
The invention relates to the technical field of tail gas treatment, in particular to a soot blower for smoke elimination and NOx treatment of diesel tail gas.
Background
At present, a plurality of exhaust gas treatment products are produced in the domestic market in the aspect of exhaust gas treatment, and particularly, a plurality of products are produced in the aspect of diesel engine exhaust gas treatment. After the products are used for a long time, the catalyst in the box body can be seriously blocked, so that the service life of the products is shortened, a large amount of labor cost is consumed, and the cost of tail gas treatment is increased.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the soot blower for smoke abatement and NOx treatment of diesel tail gas, which has the advantages that the soot blower can blow off dust and black particles on the surface of a catalyst on an adsorption mechanism while working by arranging a soot blowing mechanism, the labor cost can be reduced, the energy is effectively saved, the environment is protected, and the advantages of long maintenance time and low use cost of the soot blower are realized.
The purpose of the invention is realized by the following technical scheme: a soot blower for smoke abatement and NOx treatment of diesel tail gas comprises a collection tank, a soot blowing mechanism and an adsorption mechanism, wherein the soot blowing mechanism comprises a gas storage pipe, a plurality of valves, a plurality of metal corrugated pipes and a plurality of gas injection pipes, the side wall of the gas storage pipe is provided with a plurality of connecting holes, one end of each valve is connected with the corresponding connecting hole, the other end of each valve is communicated with one end of the corresponding metal corrugated pipe, the gas injection pipes are sleeved at the other ends of the metal corrugated pipes, and the side wall of each gas injection pipe is uniformly provided with a plurality of nozzles; the side wall of the catching box is provided with an installation hole, the soot blowing mechanism is sleeved in the installation hole through an air injection pipe, the adsorption mechanism is arranged in the catching box and located on one side of the soot blowing mechanism, the adsorption mechanism and the soot blowing mechanism are arranged in parallel, an opening of the nozzle faces the adsorption mechanism, and the adsorption mechanism is provided with a catalyst.
Furthermore, the soot blower is provided with at least one soot blowing mechanism and an adsorption mechanism, and the soot blowing mechanism is arranged on an air inlet of the adsorption mechanism along the air flow direction.
Furthermore, the nozzle comprises a connecting part and a nozzle part communicated with the connecting part, the end surface of the nozzle part is provided with a plurality of air injection holes, and the air injection holes are uniformly arranged on the end surface of the nozzle part; further, the diameter of the gas injection hole is less than 2 mm.
Furthermore, the trapping box comprises an air inlet expansion section, a box body, an air outlet expansion section and a quick connector arranged at the position of the mounting hole, wherein the air inlet expansion section is connected with the air inlet end of the box body, and the air outlet expansion section is connected with the air outlet end of the box body.
Furthermore, the adsorption mechanism comprises ceramic fiber cotton, a catalytic module and a fixed frame, a catalyst is loaded on the catalytic module, the catalytic module is embedded in the fixed frame, and the ceramic fiber cotton is clamped on two sides of the fixed frame.
Furthermore, the surface of the catalytic module is provided with a plurality of uniformly distributed pores.
Furthermore, a first flange is arranged at the port of the air inlet expansion section, and a second flange is arranged at the port of the air outlet expansion section.
Furthermore, the side wall of the collecting box is provided with at least one through hole, the through hole is positioned on the side wall opposite to the side wall provided with the mounting hole of the collecting box, and a detachable sealing piece is arranged at the through hole.
Further, four corners of the catching box are provided with fixing pieces, and the fixing pieces are provided with fixing holes.
The invention has the beneficial effects that: according to the soot blower, the soot blower is provided with the soot blowing mechanism, so that the advantages of blowing off dust and black particles on the surface of the catalyst on the adsorption mechanism while working are achieved, fixed-point cleaning of the adsorption mechanism is achieved, the service life of the adsorption mechanism is effectively prolonged, energy is saved, the replacement frequency of the catalyst on the adsorption mechanism is reduced, unnecessary waste is reduced, energy is effectively saved, environment is protected, and the advantages of long maintenance time and low use cost of the soot blower are achieved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of a first exploded structure of the present invention;
FIG. 3 is a second exploded view of the present invention;
FIG. 4 is a perspective view of another angle of the present invention;
FIG. 5 is a perspective view of yet another angle of the present invention;
FIG. 6 is a schematic view of a partial configuration of a soot blowing mechanism of the present invention;
FIG. 7 is a schematic structural view of a nozzle of the present invention;
FIG. 8 is a schematic view of the structure of the gas storage tube of the present invention;
fig. 9 is a schematic view of the combination structure of the catalytic module and the fixing frame of the present invention.
The reference signs are: 1-a collecting box, 11-a mounting hole, 12-an air inlet expanding section, 121-a first flange, 13-a box body, 14-an air outlet expanding section, 141-a second flange, 15-a quick connector 16-a through hole, 161-a sealing piece, 2-a soot blowing mechanism, 21-an air storage pipe, 211-a connecting hole, 22-a valve, 23-a metal corrugated pipe, 24-an air injection pipe, 241-a nozzle, 2411-a connecting part, 2412-an air injection head part, 24121-an air injection hole, 3-an adsorption mechanism, 31-ceramic fiber cotton, 32-a catalytic module, 33-a fixed frame, 4-a fixed piece and 41-a fixed hole.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1-9, which are not intended to limit the present invention.
Referring to fig. 1-9, a soot blower for smoke abatement and NOx treatment of diesel exhaust comprises a collection tank 1, a soot blowing mechanism 2 and an adsorption mechanism 3, wherein the soot blowing mechanism 2 comprises a gas storage pipe 21, a plurality of valves 22, a plurality of metal corrugated pipes 23 and a plurality of gas injection pipes 24, the side wall of the gas storage pipe 21 is provided with a plurality of connecting holes 211, one end of each valve 22 is connected with the corresponding connecting hole 211, the other end of each valve 22 is communicated with one end of the corresponding metal corrugated pipe 23, the gas injection pipes 24 are sleeved on the other end of the metal corrugated pipes 23, that is, the gas injection pipes 24 are sleeved on one end of the metal corrugated pipe 23 far away from the valves 22, the side wall of each gas injection pipe 24 is uniformly provided with a plurality of nozzles 241, and the nozzles 241 are arranged perpendicular to the gas; the side wall of the catching box 1 is provided with a mounting hole 11, and the soot blowing mechanism 2 is sleeved in the mounting hole 11 through an air spraying pipe 24, namely, one end of the air spraying pipe 24 far away from the metal corrugated pipe 23 is embedded in the mounting hole 11; the adsorption mechanism 3 is arranged in the collection box 1 and located on one side of the soot blowing mechanism 2, the adsorption mechanism 3 is arranged in parallel with the soot blowing mechanism 2, an opening of the nozzle 241 faces a plane where the adsorption mechanism 3 is located vertically, and the adsorption mechanism 3 is provided with a catalyst. The soot blower is provided with at least one soot blowing mechanism 2 and one adsorption mechanism 3, and the soot blowing mechanism 2 is arranged at an air inlet of the adsorption mechanism 3 along the air flow direction.
The soot blower in this embodiment has the advantage that the soot blower is provided with the soot blowing mechanism 2, so that dust and black particles on the surface of the catalyst on the adsorption mechanism 3 can be blown off while working. In the embodiment, after the waste gas of the conventional treatment equipment enters the collecting box 1 from the inlet end of the collecting box 1, the waste gas contains black particles attached to the surface of the catalyst on the adsorption mechanism 3, so that the pores on the surface of the catalyst are blocked, and the tail gas treatment efficiency is reduced, the soot blowing mechanism 2 communicated with an external force air compressor is arranged, compressed air is conveyed to the air injection pipe 24 through the control of the valve 22 of the air storage pipe 21, the air is dispersed by the air injection pipe 24 and enters the nozzle 241 to be sprayed to the adsorption mechanism 3 along the air flow direction, so that dust and black particles on the surface of the catalyst on the adsorption mechanism 3 can be blown off while working, fixed-point cleaning of the adsorption mechanism 3 is performed, the service life of the catalyst is effectively prolonged, the energy-saving effect is achieved, meanwhile, the replacement times of the catalyst on the adsorption mechanism 3 are reduced, unnecessary waste is reduced, energy is effectively, the advantages of long maintenance time and low use cost of the soot blower are realized, in addition, the metal corrugated pipe 23 plays the roles of adjusting the length and damping, and the arranged valve 22 can effectively control the working state of each gas ejector pipe 24.
In this embodiment, the nozzle 241 includes a connection portion 2411 and a nozzle portion 2412 communicated with the connection portion 2411, an end surface of the nozzle portion 2412 is provided with a plurality of air injection holes 24121, the plurality of air injection holes 24121 are uniformly arranged on the end surface of the nozzle portion 2412, and the diameter of the air injection holes 24121 is smaller than 2 mm. Further, the end surface of the nozzle portion 2412 is provided with a plurality of air injection holes 24121.
In this embodiment, the plurality of air injection holes 24121 uniformly arranged at the air injection part 2412 can realize the uniform air flow of the large-range air injection flow, and can well blow off the black particles attached to the surface of the catalyst arranged on the adsorption mechanism 3, and in addition, the diameter of the air injection holes 24121 needs to be controlled to be smaller than 2mm, so that if the diameter of the air injection holes 24121 is too large, the impact force of the jetted air flow is reduced, the blowing-off effect on the black particles attached to the surface of the catalyst is reduced, and the service life of the catalyst is not prolonged.
In this embodiment, the collecting box 1 includes an air inlet expanding section 12, a box body 13, an air outlet expanding section 14, and a quick connector 15 disposed at the mounting hole 11, the air inlet expanding section 12 is connected to an air inlet end of the box body 13, and the air outlet expanding section 14 is connected to an air outlet end of the box body 13. The port of the inlet expansion section 12 is provided with a first flange 121, and the port of the outlet expansion section 14 is provided with a second flange 141.
In this embodiment, the air inlet end of the collecting tank 1 is set as the air inlet expansion section 12 and the air outlet end of the collecting tank 1 is set as the air outlet expansion section 14, so that the contact area of the waste gas with the collecting tank 1 in the collecting tank 1 can be increased, a part of black particles in the waste gas are attached to the wall of the collecting tank 1 and deposited at the bottom of the collecting tank 1 along the wall of the collecting tank 1, the effect of forming the black particles in the multi-stage sedimentation waste gas with the adsorption mechanism 3 and the air outlet expansion section 14 is facilitated, the treatment effect of the soot blower for smoke abatement and NOx treatment on the tail gas of the diesel tail gas is further improved, the working efficiency of the soot blower is improved, the maintenance time of the soot blower is long, and the use cost is low.
In this embodiment, the adsorption mechanism 3 includes a ceramic fiber cotton 31, a catalytic module 32 and a fixed frame 33, a catalyst is loaded on the catalytic module 32, the catalytic module 32 is embedded in the fixed frame 33, and the ceramic fiber cotton 31 is clamped on two sides of the fixed frame 33. The surface of the catalytic module 32 is provided with a plurality of evenly distributed pores (not shown).
The ceramic fiber wool 31 and the catalytic module 32 arranged in the adsorption mechanism 3 in the embodiment have good catalytic purification effect on NOx in the exhaust gas, and can form multi-layer purification treatment on the exhaust gas.
In this embodiment, the sidewall of the catch tank 1 is provided with at least one through hole 16, the through hole 16 is located on the sidewall of the catch tank 1 opposite to the mounting hole 11, and a detachable sealing member 161 is disposed at the through hole 16. Four corners of the catching box 1 are provided with fixing pieces 4, and the fixing pieces 4 are provided with fixing holes 41.
In the embodiment, the through holes 16 arranged on the side wall of the collecting box 1 can regularly clean the black particulate matter sediment deposited in the collecting box 1, so that the using effect of the soot blower is ensured, and the advantages of long maintenance time and low use cost of the soot blower are realized; the fixing pieces 4 arranged at the four corners of the catching box 1 are convenient for fixing the catching box 1, so that the stability of the catching box 1 in the using process is further improved, and the working efficiency is further improved.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. A soot blower for smoke abatement and NOx treatment of diesel tail gas is characterized in that: the dust blowing device comprises a catching box, a dust blowing mechanism and an adsorption mechanism, wherein the dust blowing mechanism comprises a gas storage pipe, a plurality of valves, a plurality of metal corrugated pipes and a plurality of gas spraying pipes, a plurality of connecting holes are formed in the side wall of the gas storage pipe, one end of each valve is connected with the corresponding connecting hole, the other end of each valve is communicated with one end of the corresponding metal corrugated pipe, the gas spraying pipes are sleeved at the other ends of the metal corrugated pipes, and a plurality of nozzles are uniformly arranged on the side wall of each gas spraying pipe; the side wall of the catching box is provided with an installation hole, the soot blowing mechanism is sleeved in the installation hole through an air injection pipe, the adsorption mechanism is arranged in the catching box and located on one side of the soot blowing mechanism, the adsorption mechanism and the soot blowing mechanism are arranged in parallel, and the opening of the nozzle faces the adsorption mechanism.
2. The soot blower for smoke abatement and NOx control of diesel exhaust as claimed in claim 1, wherein: the soot blower is provided with at least one soot blowing mechanism and an adsorption mechanism, and the soot blowing mechanism is arranged at an air inlet of the adsorption mechanism along the air flow direction.
3. The soot blower for smoke abatement and NOx control of diesel exhaust as claimed in claim 1, wherein: the nozzle includes connecting portion and the shower nozzle portion that communicates with connecting portion, the terminal surface of shower nozzle portion is equipped with a plurality of fumaroles, and is a plurality of the fumarole evenly sets up in the terminal surface of shower nozzle portion.
4. The soot blower for smoke abatement and NOx control of diesel exhaust as claimed in claim 1, wherein: the trapping box comprises an air inlet expansion section, a box body, an air outlet expansion section and a quick connector arranged at the mounting hole, wherein the air inlet expansion section is connected with the air inlet end of the box body, and the air outlet expansion section is connected with the air outlet end of the box body.
5. The soot blower for smoke abatement and NOx control of diesel exhaust as claimed in claim 1, wherein: the adsorption mechanism comprises ceramic fiber cotton, a catalytic module and a fixed frame, wherein a catalyst is loaded on the catalytic module, the catalytic module is embedded in the fixed frame, and the ceramic fiber cotton is clamped on two sides of the fixed frame.
6. The soot blower for smoke abatement and NOx control of diesel exhaust as claimed in claim 5, wherein: the surface of the catalytic module is provided with a plurality of evenly distributed pores.
7. The soot blower for smoke abatement and NOx control of diesel exhaust as claimed in claim 1, wherein: the nozzle is arranged perpendicular to the gas ejector pipe.
8. The soot blower for smoke abatement and NOx control of diesel exhaust as claimed in claim 1, wherein: the port of the air inlet expansion section is provided with a first flange, and the port of the air outlet expansion section is provided with a second flange.
9. The soot blower for smoke abatement and NOx control of diesel exhaust as claimed in claim 1, wherein: the side wall of the collecting box is provided with at least one through hole, the through hole is positioned on one side wall opposite to the side wall provided with the mounting hole of the collecting box, and a detachable sealing piece is arranged at the through hole.
10. The soot blower for smoke abatement and NOx control of diesel exhaust as claimed in claim 1, wherein: four corners of the catching box are provided with fixing pieces, and the fixing pieces are provided with fixing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852375.6A CN112138543B (en) | 2020-08-21 | 2020-08-21 | Soot blower for smoke abatement and NOx control of diesel tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852375.6A CN112138543B (en) | 2020-08-21 | 2020-08-21 | Soot blower for smoke abatement and NOx control of diesel tail gas |
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| Publication Number | Publication Date |
|---|---|
| CN112138543A true CN112138543A (en) | 2020-12-29 |
| CN112138543B CN112138543B (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010852375.6A Active CN112138543B (en) | 2020-08-21 | 2020-08-21 | Soot blower for smoke abatement and NOx control of diesel tail gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102521501B1 (en) * | 2023-01-19 | 2023-04-25 | 주식회사 신성플랜트 | SCR system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014104099A1 (en) * | 2012-12-28 | 2014-07-03 | ヤンマー株式会社 | Exhaust purification device |
| CN210845892U (en) * | 2019-10-15 | 2020-06-26 | 莱芜市安邦冶金设备有限公司 | SCR denitration reactor |
| CN210993674U (en) * | 2019-09-30 | 2020-07-14 | 广东丰乐能源科技有限公司 | Denitration device with ash removal function |
| CN214106463U (en) * | 2020-08-21 | 2021-09-03 | 绿联净化技术(东莞)有限公司 | Soot blower for smoke abatement and NOx control of diesel tail gas |
-
2020
- 2020-08-21 CN CN202010852375.6A patent/CN112138543B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014104099A1 (en) * | 2012-12-28 | 2014-07-03 | ヤンマー株式会社 | Exhaust purification device |
| CN210993674U (en) * | 2019-09-30 | 2020-07-14 | 广东丰乐能源科技有限公司 | Denitration device with ash removal function |
| CN210845892U (en) * | 2019-10-15 | 2020-06-26 | 莱芜市安邦冶金设备有限公司 | SCR denitration reactor |
| CN214106463U (en) * | 2020-08-21 | 2021-09-03 | 绿联净化技术(东莞)有限公司 | Soot blower for smoke abatement and NOx control of diesel tail gas |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102521501B1 (en) * | 2023-01-19 | 2023-04-25 | 주식회사 신성플랜트 | SCR system |
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| CN112138543B (en) | 2022-05-10 |
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Address after: 523000 Room 102, building 1, No. 7, Xinzhu Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee after: Lvlian purification technology (Dongguan) Co.,Ltd. Address before: 523808 room 206, unit 1, building 1, No.1, Nanshan Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee before: Lvlian purification technology (Dongguan) Co.,Ltd. |
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