CN211777661U - Catalytic purifier with spoiler for gasoline engine - Google Patents
Catalytic purifier with spoiler for gasoline engine Download PDFInfo
- Publication number
- CN211777661U CN211777661U CN202020125116.9U CN202020125116U CN211777661U CN 211777661 U CN211777661 U CN 211777661U CN 202020125116 U CN202020125116 U CN 202020125116U CN 211777661 U CN211777661 U CN 211777661U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- spoiler
- end cover
- pipe
- transition pipe
- 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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- 230000003197 catalytic effect Effects 0.000 title claims abstract description 26
- 230000007704 transition Effects 0.000 claims abstract description 21
- 239000003054 catalyst Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to a catalytic purifier with a spoiler for a gasoline engine, which comprises an air inlet pipe, an air inlet transition pipe, an air inlet end cover, a catalytic converter shell and an air outlet end cover, wherein the air inlet pipe is fixedly connected with the air inlet transition pipe; and a spoiler is arranged in the air inlet transition pipe. The utility model discloses the air current distribution in the end cover can be improved to the installation spoiler, improves the catalytic conversion of catalytic converter carrier and imitates.
Description
Technical Field
The utility model relates to a gasoline engine is with catalytic converter who takes spoiler belongs to catalytic converter technical field.
Background
With the stricter automobile emission regulations in China, the rear end of an automobile engine is provided with a catalytic purifier to reduce the emission of pollutants of the engine, and the catalytic purifier can convert harmful gases such as CO, HC, NOx and the like emitted by the combustion of the automobile engine into harmless gases such as CO2, H20, N2 and the like.
The structural design of the catalytic cleaner directly affects the utilization rate of the catalyst carrier, namely, the catalytic conversion efficiency of the engine exhaust pollutants. Thus. The reasonable structural design of the catalytic converter is very critical to the purification of engine exhaust pollutants.
Disclosure of Invention
An object of the utility model is to overcome the not enough of existence among the prior art, provide a gasoline engine with catalytic converter who takes the spoiler, its installation spoiler can improve the air current distribution in the end cover, improves catalytic converter carrier's catalytic conversion efficiency.
According to the utility model provides a technical scheme: a catalytic purifier with a spoiler for a gasoline engine comprises an air inlet pipe, an air inlet transition pipe, an air inlet end cover, a catalyst shell and an air outlet end cover, wherein the air inlet pipe is fixedly connected with the air inlet transition pipe; and a spoiler is arranged in the air inlet transition pipe.
Furthermore, a plurality of kidney-shaped holes are uniformly formed in the edge of the spoiler in a surrounding mode, and a plurality of small holes are formed in the middle of the spoiler in an array mode.
Further, the waist shape hole is equipped with 3, aperture is equipped with 7.
Further, a gasket is arranged in the catalyst shell, and the catalyst carrier is wrapped in the gasket.
Compared with the prior art, the utility model, have following advantage:
due to the limitation of boundary conditions, the design of the air inlet end cover often has poor air flow mixing effect, and air flow is intensively distributed in the central area of the carrier, so that the utilization rate of the carrier is low, and the emission standard cannot be met.
The utility model discloses at the intraductal design installation spoiler of transition in catalytic converter front end housing upper reaches, can improve the air current distribution in the end cover, improve the catalytic conversion efficiency of catalytic converter carrier.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the air inlet transition pipe and the spoiler.
Fig. 3 is a schematic view showing the structure of the catalyst housing.
Description of reference numerals: 1-air inlet pipe, 2-air inlet transition pipe, 3-air inlet end cover, 4-catalytic converter shell, 5-air outlet end cover, 6-spoiler, 6.1-waist-shaped hole, 6.2-small hole, 7-gasket and 8-catalytic converter carrier.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and 2, a catalytic purifier with a spoiler for a gasoline engine includes an air inlet pipe 1, an air inlet transition pipe 2, an air inlet end cover 3, a catalyst housing 4 and an air outlet end cover 5, wherein the air inlet pipe 1 is fixedly connected with the air inlet transition pipe 2, the air inlet transition pipe 2 is fixedly connected with the air inlet end cover 3, the air inlet end cover 3 is fixedly connected with the front end of the catalyst housing 4, and the rear end of the catalyst housing 4 is fixedly connected with the air outlet end cover 5; a spoiler 6 is arranged in the air inlet transition pipe 2.
The edge of the spoiler 6 is uniformly provided with a plurality of kidney-shaped holes 6.1 in a surrounding manner, and the middle part of the spoiler 6 is provided with a plurality of small holes 6.2 in an array manner.
6.1 of waist shape hole is equipped with 3, aperture 6.2 is equipped with 7.
A mat 7 is provided in the catalyst housing 4, and a catalyst carrier 8 is wrapped in the mat 7.
The working process is as follows:
the mat 7 is first wrapped around the catalyst support 8 and pressed together into the catalyst housing 4. The air inlet pipe 1 is welded with the air inlet transition pipe 2, and the air inlet transition pipe 2 is welded with the air inlet end cover 3. The air inlet end cover 3 and the air outlet end cover 5 are respectively welded with two ends of the catalytic converter shell 4. The spoiler 6 is welded in the air inlet transition pipe 2.
The engine exhaust gas flows in from the air inlet pipe 1, is fully mixed in the air inlet end cover 3 under the action of the spoiler 6 in the air inlet transition pipe 2, then enters the catalyst carrier 8 to generate catalytic reduction reaction, and then flows out from the air outlet end cover 5.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (4)
1. The catalytic purifier with the spoiler for the gasoline engine is characterized by comprising an air inlet pipe (1), an air inlet transition pipe (2), an air inlet end cover (3), a catalyst shell (4) and an air outlet end cover (5), wherein the air inlet pipe (1) is fixedly connected with the air inlet transition pipe (2), the air inlet transition pipe (2) is fixedly connected with the air inlet end cover (3), the air inlet end cover (3) is fixedly connected with the front end of the catalyst shell (4), and the rear end of the catalyst shell (4) is fixedly connected with the air outlet end cover (5); a spoiler (6) is arranged in the air inlet transition pipe (2).
2. The catalytic converter with a spoiler for a gasoline engine according to claim 1, wherein the edge of the spoiler (6) is uniformly provided with a plurality of kidney-shaped holes (6.1) around the edge, and the middle part of the spoiler (6) is provided with a plurality of small holes (6.2) in an array manner.
3. The catalytic converter with a spoiler for a gasoline engine according to claim 2, characterized in that the number of the kidney-shaped holes (6.1) is 3, and the number of the small holes (6.2) is 7.
4. The catalytic converter with a spoiler according to claim 1, characterized in that a mat (7) is provided in the catalyst case (4), and the catalyst carrier (8) is wrapped in the mat (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020125116.9U CN211777661U (en) | 2020-01-19 | 2020-01-19 | Catalytic purifier with spoiler for gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020125116.9U CN211777661U (en) | 2020-01-19 | 2020-01-19 | Catalytic purifier with spoiler for gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777661U true CN211777661U (en) | 2020-10-27 |
Family
ID=72895309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020125116.9U Active CN211777661U (en) | 2020-01-19 | 2020-01-19 | Catalytic purifier with spoiler for gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211777661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943422A (en) * | 2021-03-16 | 2021-06-11 | 无锡威孚力达催化净化器有限责任公司 | Eccentric airflow guiding device at air inlet end of automobile exhaust purifier |
-
2020
- 2020-01-19 CN CN202020125116.9U patent/CN211777661U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943422A (en) * | 2021-03-16 | 2021-06-11 | 无锡威孚力达催化净化器有限责任公司 | Eccentric airflow guiding device at air inlet end of automobile exhaust purifier |
| CN112943422B (en) * | 2021-03-16 | 2024-04-19 | 无锡威孚力达催化净化器有限责任公司 | Eccentric air flow guiding device for air inlet end of automobile tail gas purifier |
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