CN217270413U - Exhaust pipe with double catalysts - Google Patents
Exhaust pipe with double catalysts Download PDFInfo
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- CN217270413U CN217270413U CN202221211308.7U CN202221211308U CN217270413U CN 217270413 U CN217270413 U CN 217270413U CN 202221211308 U CN202221211308 U CN 202221211308U CN 217270413 U CN217270413 U CN 217270413U
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- catalyst
- storage tube
- catalyst storage
- pipe
- far
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- 239000003054 catalyst Substances 0.000 title claims abstract description 102
- 230000009977 dual effect Effects 0.000 claims description 8
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 16
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model belongs to the technical field of the tail gas treatment, specifically be a blast pipe of two catalysts ware, include: the air inlet pipe comprises a pipe body, wherein one end of the pipe body is an air inlet interface, and the other end of the pipe body is an air outlet interface; the catalyst storage device comprises a near-end catalyst storage tube and a far-end catalyst storage tube, wherein the far-end catalyst storage tube is connected with an air outlet interface, the other side of the far-end catalyst storage tube is connected with an exhaust cylinder, and the near-end catalyst storage tube is connected to a pipeline on one side, close to the air inlet interface, of a pipe body; the near-end catalyst storage tube and the far-end catalyst storage tube are respectively internally provided with a second honeycomb catalyst and a first honeycomb catalyst, and one end parts of the second honeycomb catalyst and the first honeycomb catalyst are provided with supporting structures. The two catalysts are matched, so that the purification device for vehicle exhaust is improved, the exhaust purification effect is improved, and the pollution to the environment is reduced. Through the setting of bearing structure, prevent that honeycomb catalyst one, honeycomb catalyst two from rocking, guarantee stability.
Description
Technical Field
The utility model relates to a tail gas treatment technical field specifically is a blast pipe of two catalysts ware.
Background
The exhaust gas is discharged from the cylinders and then enters the exhaust manifolds, and the exhaust gas is discharged through the exhaust pipe after the exhaust manifolds of the cylinders are converged.
The exhaust gas purifying device for vehicles is used for catalytic purification of exhaust gas, thereby converting harmful gases in the exhaust gas, and is an important component of vehicles. The traditional exhaust purification device is of a single-catalyst structure, when exhaust gas which does not completely react in tail gas is more, one catalyst is difficult to completely catalyze the exhaust gas, the purification efficiency is not ideal, and the exhaust pollution is easily caused.
The improvement of a purification device for vehicle exhaust and the improvement of the exhaust purification effect are problems to be solved urgently in the field at the present stage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a blast pipe of two catalysts to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a dual catalyst exhaust pipe comprising:
the air inlet pipe comprises a pipe body, wherein one end of the pipe body is an air inlet interface, and the other end of the pipe body is an air outlet interface;
the catalyst storage device comprises a near-end catalyst storage tube and a far-end catalyst storage tube, wherein the far-end catalyst storage tube is connected with an air outlet interface, the other side of the far-end catalyst storage tube is connected with an exhaust cylinder, and the near-end catalyst storage tube is connected to a pipeline on one side, close to the air inlet interface, of a pipe body;
the near-end catalyst storage pipe and the far-end catalyst storage pipe are internally provided with a second honeycomb catalyst and a first honeycomb catalyst respectively, and one end parts of the second honeycomb catalyst and the first honeycomb catalyst are provided with supporting structures.
Further, the far-end catalyst storage tube is connected with the tube body and the exhaust cylinder body through threads.
Furthermore, the near-end catalyst storage tube is in a shape with a large diameter at the middle part and small diameters at the two ends, and the two ends of the near-end catalyst storage tube are connected with the tube body through threads.
Further, the supporting structure at one end part of the honeycomb catalyst is a hollow circular ring, and the diameter of the circular ring is smaller than the outer diameter of the first honeycomb catalyst.
Furthermore, the ring is made of high-temperature resistant ceramic materials.
Furthermore, the support structures at the two ends of the honeycomb catalyst are elastic support sheets, and the elastic support sheets are supported between the two ends of the honeycomb catalyst and the pipe wall of the pipe body.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the two catalytic converters are matched, so that the purification device for vehicle exhaust is improved, the exhaust purification effect is improved, and the pollution to the environment is reduced.
2) Through the setting of bearing structure, prevent that honeycomb catalyst one, honeycomb catalyst two from rocking, guarantee stability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the exhaust cylinder of the present invention after removing the exhaust cylinder;
fig. 3 is a cross-sectional view of the proximal end catalyst storage tube of the present invention.
In the figure: the device comprises a tube body 1, an exhaust tube body 2, a near-end catalyst storage tube 3, a far-end catalyst storage tube 4, a first honeycomb catalyst 5, a circular ring 6, a second honeycomb catalyst 7 and an elastic support sheet 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-3, the present invention provides a technical solution: a dual catalyst exhaust pipe comprising:
the air inlet pipe comprises a pipe body 1, wherein one end of the pipe body 1 is an air inlet interface, and the other end of the pipe body 1 is an air outlet interface;
the device comprises a near-end catalyst storage tube 3 and a far-end catalyst storage tube 4, wherein the far-end catalyst storage tube 4 is connected with an air outlet interface, the other side of the far-end catalyst storage tube 4 is connected with an exhaust barrel 2, and the near-end catalyst storage tube 3 is connected to a pipeline on one side, close to the air inlet interface, of a barrel body 1;
the near-end catalyst storage pipe 3 and the far-end catalyst storage pipe 4 are respectively internally provided with a second honeycomb catalyst 7 and a first honeycomb catalyst 5, and the end parts of the second honeycomb catalyst 7 and the first honeycomb catalyst 5 are provided with supporting structures.
Preferably, the far-end catalyst storage tube 4 is connected with the tube body 1 and the exhaust cylinder body 2 through threads. The disassembly and the overhaul and the replacement of the first honeycomb catalyst 5 are convenient.
Preferably, the near-end catalyst storage tube 3 is in a shape with a large diameter at the middle part and small diameters at the two ends, and the two ends of the near-end catalyst storage tube 3 are connected with the tube body 1 through threads. The disassembly and the overhaul and the replacement of the second honeycomb catalyst 7 are convenient. As shown in FIG. 3, the diameter of the outer wall of the second honeycomb catalyst 7 is not larger than the diameter of the inner wall of the nozzle of the proximal catalyst storage tube 3.
Preferably, the supporting structure at the end of the first honeycomb catalyst 5 is a hollow circular ring 6, and the diameter of the circular ring 6 is smaller than the outer diameter of the first honeycomb catalyst 5. The first honeycomb catalyst 5 is supported by the circular ring 6, so that the first honeycomb catalyst 5 is stably supported while the use of the first honeycomb catalyst 5 is not influenced.
Preferably, the ring 6 is made of high-temperature resistant ceramic material.
Preferably, the support structure at the end of the second honeycomb catalyst 7 is an elastic support sheet 8, and the elastic support sheet 8 is supported between the end of the second honeycomb catalyst 7 and the tube wall of the tube body 1.
The working principle is as follows: when the exhaust gas purification device is used, tail gas enters the pipe body 1 through the air inlet interface of the pipe body 1, a first catalytic reaction is carried out through the second honeycomb catalyst 7 in the near-end catalyst storage pipe 3, CO and NOx in the exhaust gas are subjected to an oxidation reaction, the tail gas which is not subjected to the complete catalytic reaction is further oxidized through the first honeycomb catalyst 5, the exhaust gas is subjected to a secondary oxidation, and the composite emission standard of the exhaust gas emission is ensured.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A dual catalyst exhaust pipe, comprising:
the air inlet pipe comprises a pipe body (1), wherein one end of the pipe body (1) is an air inlet interface, and the other end of the pipe body (1) is an air outlet interface;
the device comprises a near-end catalyst storage tube (3) and a far-end catalyst storage tube (4), wherein the far-end catalyst storage tube (4) is connected with an air outlet interface, the other side of the far-end catalyst storage tube (4) is connected with an exhaust cylinder body (2), and the near-end catalyst storage tube (3) is connected to a pipeline on one side, close to the air inlet interface, of a pipe body (1);
the near-end catalyst storage tube (3) and the far-end catalyst storage tube (4) are respectively internally provided with a second honeycomb catalyst (7) and a first honeycomb catalyst (5), and the end parts of the second honeycomb catalyst (7) and the first honeycomb catalyst (5) are provided with supporting structures.
2. The exhaust pipe of a dual catalyst as set forth in claim 1, wherein: the far-end catalyst storage tube (4) is connected with the tube body (1) and the exhaust cylinder body (2) through threads.
3. The exhaust pipe of a dual catalyst according to claim 1, characterized in that: the near-end catalyst storage tube (3) is in a shape with a large diameter at the middle part and small diameters at the two ends, and the two ends of the near-end catalyst storage tube (3) are connected with the tube body (1) through threads.
4. The exhaust pipe of a dual catalyst according to claim 1, characterized in that: the supporting structure at the end part of the first honeycomb catalyst (5) is a hollow circular ring (6), and the diameter of the circular ring (6) is smaller than the outer diameter of the first honeycomb catalyst (5).
5. The exhaust pipe of a dual catalyst as set forth in claim 4, wherein: the circular ring (6) is made of high-temperature-resistant ceramic materials.
6. The exhaust pipe of a dual catalyst as set forth in claim 1, wherein: the support structure at the end part of the second honeycomb catalyst (7) is an elastic support sheet (8), and the elastic support sheet (8) is supported between the end part of the second honeycomb catalyst (7) and the pipe wall of the pipe body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221211308.7U CN217270413U (en) | 2022-05-18 | 2022-05-18 | Exhaust pipe with double catalysts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221211308.7U CN217270413U (en) | 2022-05-18 | 2022-05-18 | Exhaust pipe with double catalysts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217270413U true CN217270413U (en) | 2022-08-23 |
Family
ID=82885769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221211308.7U Active CN217270413U (en) | 2022-05-18 | 2022-05-18 | Exhaust pipe with double catalysts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217270413U (en) |
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2022
- 2022-05-18 CN CN202221211308.7U patent/CN217270413U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dual catalytic converter exhaust pipe Effective date of registration: 20231116 Granted publication date: 20220823 Pledgee: Shandong Zhangdian Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Shengwu New Energy Automobile Co.,Ltd. Registration number: Y2023980066226 |