CN217152084U - Tail gas purifying, exhausting and silencing device for diesel generator set - Google Patents
Tail gas purifying, exhausting and silencing device for diesel generator set Download PDFInfo
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- CN217152084U CN217152084U CN202221141241.4U CN202221141241U CN217152084U CN 217152084 U CN217152084 U CN 217152084U CN 202221141241 U CN202221141241 U CN 202221141241U CN 217152084 U CN217152084 U CN 217152084U
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- tail gas
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- gas purification
- pipe
- catalytic reduction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model relates to the technical field of diesel generators, and discloses a tail gas purification exhaust and silencing device of a diesel generator set, the problems of poor tail gas treatment effect and low efficiency of the existing tail gas purification device are solved, the tail gas purification exhaust and silencing device comprises a diesel generator body, the front side of the diesel generator body is provided with a tail gas purification silencing box, the inner side wall of the tail gas purification silencing box is provided with a silencing layer I, the inside of the tail gas purification silencing box is provided with a waste gas oxidation catalyst assembly, the waste gas oxidation catalyst assembly consists of a plurality of oxidation catalysis units, one end of the tail gas purification silencing box, which is far away from an air duct, is provided with a tail gas catalytic reduction silencing pipe, the inner side wall of the tail gas catalytic reduction silencing pipe is provided with a silencing layer II, the top end inside the tail gas catalytic reduction silencing pipe is provided with a urea spray nozzle, and the top end of the tail gas catalytic reduction silencing pipe is provided with an exhaust pipe; through the device, the tail gas purification effect and the purification efficiency can be improved, and meanwhile, the noise generated when tail gas is discharged can be reduced.
Description
Technical Field
The utility model belongs to the technical field of diesel generator, specifically be diesel generating set exhaust purification exhaust and silencing device.
Background
The diesel engine is used as prime mover of diesel generator set to drive synchronous generator to generate electricity. The power generation device has the advantages of quick start, convenient operation and maintenance, low investment and strong adaptability to the environment.
Can produce a large amount of harmful tail gases in diesel generating set use, consequently, it is vital to the processing of tail gas, the mode that current tail gas treatment generally adopted solid catalysis or urea reduction, but current solid catalysis generally sets up the catalyst converter to cylindric, then set up a plurality of through-holes in it, tail gas is difficult to change the air current direction when passing through the through-hole, it is not comprehensive to cause tail gas and catalyst converter contact easily, thereby cause the problem that treatment effect is not good, and through single treatment, the treatment effeciency is lower.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a diesel generating set exhaust purification exhausts and silencing device, the effectual current tail gas cleanup unit tail gas treatment effect of having solved is not good with the lower problem of efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: diesel generating set tail gas purification exhaust and silencing device, including the diesel generator body, the one end of diesel generator body is provided with radiator unit, the front of diesel generator body is provided with tail gas purification whistle box, be connected through the air duct between tail gas purification whistle box and the diesel generator body, the inside wall of tail gas purification whistle box is provided with noise damping layer one, the inside of tail gas purification whistle box is provided with exhaust-gas oxidation catalyst converter subassembly, exhaust-gas oxidation catalyst converter subassembly comprises a plurality of oxidation catalytic unit, the one end that the air duct was kept away from to the tail gas purification whistle box is provided with tail gas catalytic reduction whistle pipe, the inside wall of tail gas catalytic reduction whistle pipe is provided with noise damping layer two, the inside top of tail gas catalytic reduction whistle is provided with the urea shower nozzle, the urea shower nozzle is connected with the urea case subassembly that is located diesel generator body one end bottom, the top of tail gas catalytic reduction whistle pipe is provided with the blast pipe.
Preferably, the heat radiation assembly is composed of a radiator and a heat radiation fan assembly, and the heat radiation fan assembly is positioned between the radiator and the diesel generator body.
Preferably, a heat insulation layer is arranged between the first sound insulation layer and the tail gas purification sound insulation box, and the heat insulation layer is made of glass fiber cotton.
Preferably, the first sound-deadening layer and the second sound-deadening layer are both of a honeycomb structure.
Preferably, the oxidation catalysis unit comprises a supporting transverse plate, a first inclined supporting plate, a second inclined supporting plate and an oxidation catalysis plate, the first inclined supporting plate is fixedly connected to the top end of the supporting transverse plate, the second inclined supporting plate is fixedly connected to the bottom end of the supporting transverse plate, and the oxidation catalysis plate is fixedly connected to one side of the first inclined supporting plate and one side of the second inclined supporting plate.
Preferably, a plurality of through holes are formed in the first inclined supporting plate, the second inclined supporting plate and the oxidation catalysis plate, and a plurality of sealing strips are arranged on the side edges of the first inclined supporting plate and the second inclined supporting plate.
Preferably, the urea spray nozzle is of a mist spray nozzle structure, and the urea spray nozzle is fixedly connected with the inner side wall of the tail gas catalytic reduction silencing pipe through a plurality of connecting arms.
Preferably, one side of the bottom end of the tail gas catalytic reduction silencing pipe is provided with a micro liquid discharge port, and the micro liquid discharge port is of an inclined structure.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) during operation, solid oxidation catalysis and urea catalytic reduction can be carried out on tail gas through the tail gas purification silencing box, the waste gas oxidation catalyst assembly and the tail gas catalytic reduction silencing pipe, the treatment efficiency of the tail gas is effectively improved, the contact area between the waste gas and the catalytic plate can be improved during solid catalytic oxidation through the oxidation catalysis unit consisting of the supporting transverse plate, the inclined supporting plate I, the inclined supporting plate II and the oxidation catalysis plate, the flow direction of the waste gas is continuously changed, and the treatment effect of the waste gas is further improved;
(2) the diesel generator body can be cooled through the cooling component, and noise generated when tail gas is discharged can be reduced through the first silencing layer and the second silencing layer which are provided with the honeycomb structures.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the tail gas purifying muffling box of the present invention;
FIG. 3 is a schematic structural view of an exhaust gas oxidation catalyst assembly according to the present invention;
FIG. 4 is a schematic structural view of an oxidation catalytic unit of the present invention;
FIG. 5 is a schematic view of the structure of the tail gas catalytic reduction muffler of the present invention;
in the figure: 1. a diesel generator body; 2. a heat dissipating component; 3. a tail gas purifying sound-reducing box; 4. an air duct; 5. a noise reduction layer I; 6. an exhaust gas oxidation catalyst assembly; 7. an oxidation catalytic unit; 8. a tail gas catalytic reduction silencing pipe; 9. a silencing layer II; 10. a urea spray head; 11. a urea tank assembly; 12. an exhaust pipe; 13. a heat sink; 14. a heat dissipation fan assembly; 15. a thermal insulation layer; 16. supporting the transverse plate; 17. a first inclined support plate; 18. a second inclined support plate; 19. an oxidation catalyst plate; 20. a sealing strip; 21. a connecting arm; 22. a micro liquid discharge port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below 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; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in the figures 1, 2, 3 and 5, the utility model comprises a diesel generator body 1, a heat dissipation component 2 is arranged at one end of the diesel generator body 1, a tail gas purification and silencing box 3 is arranged at the front side of the diesel generator body 1, the tail gas purification and silencing box 3 is connected with the diesel generator body 1 through an air duct 4, a silencing layer I5 is arranged on the inner side wall of the tail gas purification and silencing box 3, a waste gas oxidation catalyst component 6 is arranged inside the tail gas purification and silencing box 3, the waste gas oxidation catalyst component 6 is composed of a plurality of oxidation catalyst units 7, a tail gas catalytic reduction and silencing pipe 8 is arranged at one end of the tail gas purification and silencing box 3 away from the air duct 4, a silencing layer II 9 is arranged on the inner side wall of the tail gas catalytic reduction and silencing pipe 8, a urea spray nozzle 10 is arranged at the top end inside the tail gas catalytic reduction and silencing pipe 8, and the urea spray nozzle 10 is connected with a urea box component 11 positioned at the bottom of one end of the diesel generator body 1, the top end of the tail gas catalytic reduction silencing pipe 8 is provided with an exhaust pipe 12;
as shown in fig. 1 to 5, the heat dissipation assembly 2 is composed of a heat sink 13 and a heat dissipation fan assembly 14, the heat dissipation fan assembly 14 is located between the heat sink 13 and the diesel generator body 1, the diesel generator body 1 can be dissipated heat through the heat sink 13 and the heat dissipation fan assembly 14, a heat insulation layer 15 is arranged between the first silencing layer 5 and the tail gas purification and sound dissipation box 3, the heat insulation layer 15 is made of glass fiber cotton, the heat insulation effect can be achieved, overheating outside the tail gas purification and sound dissipation box 3 can be avoided, both the first silencing layer 5 and the second silencing layer 9 are of honeycomb structures, the silencing effect can be improved, noise can be reduced, the oxidation catalysis unit 7 is composed of a support transverse plate 16, a first inclined support plate 17, a second inclined support plate 18 and an oxidation catalysis plate 19, the first inclined support plate 17 is fixedly connected to the top end of the support transverse plate 16, the second inclined support plate 18 is fixedly connected to the bottom end of the support transverse plate 16, the oxidation catalysis plate 19 is fixedly connected to one side of the first inclined support plate 17 and the second inclined support plate 18, the inclined support plate I17, the inclined support plate II 18 and the oxidation catalysis plate 19 are respectively provided with a plurality of through holes, waste gas can pass through the inclined support plate I17, the inclined support plate II 18 and the oxidation catalysis plate 19, the direction of air flow can be continuously changed in the waste gas treatment process, the contact area of the waste gas and the oxidation catalysis plate 19 is increased, a plurality of sealing strips 20 are arranged on the side edges of the inclined support plate I17 and the inclined support plate II 18, the sealing effect between the oxidation catalysis unit 7 and the silencing layer I5 can be improved, the urea spray head 10 is of a mist spray head structure, urea is sprayed more comprehensively, the urea spray head 10 is fixedly connected with the inner side wall of the tail gas catalytic reduction silencing pipe 8 through a plurality of connecting arms 21, a micro liquid discharge port 22 is formed in one side of the bottom end of the tail gas catalytic reduction silencing pipe 8, and the micro liquid discharge port 22 is of an inclined structure and can discharge redundant urea;
when in use, tail gas enters the tail gas purifying and silencing box 3 from the gas guide pipe 4, silencing and noise reduction of tail gas discharge are realized through the silencing layer I5 in the tail gas purifying and silencing box 3, catalytic oxidation of the tail gas is realized through the waste gas oxidation catalyst assembly 6, the waste gas oxidation catalyst assembly 6 is formed by splicing a plurality of oxidation catalyst units 7 into a plurality of cavities, the tail gas sequentially passes through a plurality of oxidation catalyst plates 19, gas mixing and gas flowing direction change can be realized when the tail gas enters the cavities, the waste gas is fully contacted with the oxidation catalyst plates 19 through multiple direction changes, so that the oxidation catalyst effect of the tail gas is improved, the waste gas after oxidation catalyst enters the tail gas catalytic reduction and silencing pipe 8, the silencing and noise reduction effect of the tail gas catalytic reduction and silencing pipe 8 can be improved through the silencing layer II 9, and urea solution is sprayed through the urea spray nozzle 10 to realize catalytic reduction of the waste gas, improving the waste gas treatment effect.
In the operation, the tail gas purification and silencing box, the waste gas oxidation catalyst assembly and the tail gas catalytic reduction silencing pipe are arranged to realize solid oxidation catalysis of the tail gas and catalytic reduction of urea, so that the treatment efficiency of the tail gas is effectively improved, and the oxidation catalysis unit consisting of the support transverse plate, the inclined support plate I, the inclined support plate II and the oxidation catalysis plate is arranged to improve the contact area of the waste gas and the catalysis plate during the solid catalytic oxidation, so that the flow direction of the waste gas is continuously changed, and the treatment effect of the waste gas is further improved; can dispel the heat to the diesel generator body through being provided with radiator unit, noise when can reduce tail gas discharge through amortization layer one and amortization layer two that are provided with cellular structure.
Claims (8)
1. Diesel generating set tail gas purification exhaust and silencing device, including diesel generator body (1), its characterized in that: one end of the diesel generator body (1) is provided with a heat dissipation component (2), the front side of the diesel generator body (1) is provided with a tail gas purification and noise reduction box (3), the tail gas purification and noise reduction box (3) is connected with the diesel generator body (1) through an air duct (4), the inner side wall of the tail gas purification and noise reduction box (3) is provided with a noise reduction layer I (5), the inside of the tail gas purification and noise reduction box (3) is provided with a waste gas oxidation catalyst component (6), the waste gas oxidation catalyst component (6) is composed of a plurality of oxidation catalyst units (7), one end of the tail gas purification and noise reduction box (3) far away from the air duct (4) is provided with a tail gas catalytic reduction and noise reduction pipe (8), the inner side wall of the tail gas catalytic reduction and noise reduction pipe (8) is provided with a noise reduction layer II (9), and the top end of the inside of the tail gas catalytic reduction and noise reduction pipe (8) is provided with a urea spray nozzle (10), the urea spray nozzle (10) is connected with a urea box component (11) positioned at the bottom of one end of the diesel generator body (1), and an exhaust pipe (12) is arranged at the top end of the tail gas catalytic reduction silencing pipe (8).
2. The tail gas purifying, exhausting and silencing device for the diesel generating set according to claim 1, characterized in that: the heat dissipation assembly (2) is composed of a radiator (13) and a heat dissipation fan assembly (14), and the heat dissipation fan assembly (14) is located between the radiator (13) and the diesel generator body (1).
3. The tail gas purifying, exhausting and silencing device for the diesel generating set according to claim 1, characterized in that: a heat insulation layer (15) is arranged between the first silencing layer (5) and the tail gas purification silencing box (3), and the heat insulation layer (15) is made of glass fiber cotton.
4. The tail gas purifying, exhausting and silencing device for the diesel generating set according to claim 1, characterized in that: the first silencing layer (5) and the second silencing layer (9) are both of honeycomb structures.
5. The tail gas purifying, exhausting and silencing device for the diesel generating set according to claim 1, characterized in that: the oxidation catalysis unit (7) is composed of a supporting transverse plate (16), a first inclined supporting plate (17), a second inclined supporting plate (18) and an oxidation catalysis plate (19), the first inclined supporting plate (17) is fixedly connected to the top end of the supporting transverse plate (16), the second inclined supporting plate (18) is fixedly connected to the bottom end of the supporting transverse plate (16), and the oxidation catalysis plate (19) is fixedly connected to one side of the first inclined supporting plate (17) and one side of the second inclined supporting plate (18).
6. The tail gas purifying, exhausting and silencing device for the diesel generating set according to claim 5, characterized in that: a plurality of through holes are formed in the first inclined supporting plate (17), the second inclined supporting plate (18) and the oxidation catalysis plate (19), and a plurality of sealing strips (20) are arranged on the side edges of the first inclined supporting plate (17) and the second inclined supporting plate (18).
7. The tail gas purifying, exhausting and silencing device for the diesel generating set according to claim 1, characterized in that: the urea spray nozzle (10) is of a mist spray nozzle structure, and the urea spray nozzle (10) is fixedly connected with the inner side wall of the tail gas catalytic reduction silencing pipe (8) through a plurality of connecting arms (21).
8. The tail gas purifying, exhausting and silencing device for the diesel generating set according to claim 1, characterized in that: one side of the bottom end of the tail gas catalytic reduction muffler pipe (8) is provided with a micro liquid discharge port (22), and the micro liquid discharge port (22) is of an inclined structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221141241.4U CN217152084U (en) | 2022-05-13 | 2022-05-13 | Tail gas purifying, exhausting and silencing device for diesel generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221141241.4U CN217152084U (en) | 2022-05-13 | 2022-05-13 | Tail gas purifying, exhausting and silencing device for diesel generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217152084U true CN217152084U (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221141241.4U Active CN217152084U (en) | 2022-05-13 | 2022-05-13 | Tail gas purifying, exhausting and silencing device for diesel generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217152084U (en) |
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2022
- 2022-05-13 CN CN202221141241.4U patent/CN217152084U/en active Active
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