CN208122921U - Inlet cone and its tail-gas after treatment apparatus - Google Patents
Inlet cone and its tail-gas after treatment apparatus Download PDFInfo
- Publication number
- CN208122921U CN208122921U CN201820455313.XU CN201820455313U CN208122921U CN 208122921 U CN208122921 U CN 208122921U CN 201820455313 U CN201820455313 U CN 201820455313U CN 208122921 U CN208122921 U CN 208122921U
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- annular end
- post
- carrier module
- gas
- tail
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Abstract
A kind of inlet cone and its tail-gas after treatment apparatus, the inlet cone include inner housing, the outer housing being socketed in outside the inner housing and at least one sensor holder being mounted on the outer housing.The outer housing includes first annular end, second annular end opposite with the first annular end and the conical surface between the first annular end and second annular end.For the inner housing in horn-like, the inner housing includes third annular end, the fourth annular end opposite with the third annular end and the arc surface between the third annular end and the fourth annular end.The first annular end is sealed with the third annular end, and second annular end is sealed with the fourth annular end.An annular space is equipped between the arc surface and the conical surface, the sensor holder extends into the annular space.The utility model solves the problems, such as back pressure and uniformity by the way that horn-like inner housing is arranged.
Description
Technical field
The utility model relates to a kind of inlet cone and its tail-gas after treatment apparatus, belong to motor exhaust post-processing technology neck
Domain.
Background technique
Research shows that the back pressure and pipeline of exhaust gas aftertreatment system (such as selective catalytic reduction system operating, SCR system)
The uniformity coefficient of middle air-flow has important influence to the overall performance and endurance quality of system.When passing through carrier to improve air-flow
Uniformity, porous air distribution plate usually is set in the entrance of exhaust gas aftertreatment system, however, this design on the one hand increasing
Add cost, on the other hand also will increase the back pressure of system.
Utility model content
The purpose of this utility model is to provide a kind of inlet cones and its exhaust aftertreatment for taking into account back pressure and uniformity
Device.
To achieve the above object, the utility model adopts the following technical solution：A kind of inlet cone is filled for exhaust aftertreatment
It sets, the inlet cone includes inner housing, the outer housing being socketed in outside the inner housing and is mounted on the outer housing
At least one sensor holder, the outer housing includes first annular end, second annular end opposite with the first annular end
And the conical surface between the first annular end and second annular end, the inner housing are in horn-like, the inner casing
Body include third annular end, the fourth annular end opposite with the third annular end and be located at the third annular end with it is described
Arc surface between fourth annular end；The first annular end is sealed with the third annular end, second annular
End is sealed with the fourth annular end, and an annular space, the biography are equipped between the arc surface and the conical surface
Sensor seat extends into the annular space.
As the further improved technical solution of the utility model, the arc surface is equipped with opening for sensor holder described in face
Mouthful.
As the further improved technical solution of the utility model, the third annular end is located at the first annular end
It inside and is in contact with the first annular end.
As the further improved technical solution of the utility model, the fourth annular end is located at second annular end
It inside and is in contact with second annular end.
As the further improved technical solution of the utility model, the third annular end is air inlet, the Fourth Ring
Shape end is gas outlet.
The utility model further relates to a kind of tail-gas after treatment apparatus comprising first post-processes carrier module, positioned at described
The second of the downstream of first post-processing carrier module post-processes carrier module, positioned at the downstream of the second post-processing carrier module
Third post-processing carrier module and be located at it is described second post-processing carrier module and the third post-processing carrier module it
Between mixer assembly, wherein the mixer assembly includes mixing tube, the mixing tube extends perpendicularly to the tail
The extending direction of gas after-treatment device, the tail-gas after treatment apparatus further include being connected to the first post-processing carrier module
The inlet cone of upstream, the inlet cone are inlet cone above-mentioned.
As the further improved technical solution of the utility model, the first post-processing carrier module includes oxidation catalysis
Device, the second post-processing carrier module includes diesel particulate trap, and the third post-processing carrier module includes selectivity
Catalytic reducer.
As the further improved technical solution of the utility model, the tail-gas after treatment apparatus is not set to be located at described the
The air distribution plate of the upstream of one post-processing carrier module.
Compared to the prior art, the utility model is by being arranged horn-like inner housing, by adjusting the interior table of inner housing
Face arc adjusts uniformity when air-flow enters carrier end face, while solving the problems, such as back pressure and uniformity.
Detailed description of the invention
Fig. 1 is the part isometric exploded view of the utility model tail-gas after treatment apparatus.
Fig. 2 is the diagrammatic cross-section of the utility model tail-gas after treatment apparatus.
Fig. 3 is the main view of the utility model tail-gas after treatment apparatus.
Fig. 4 is the stereogram exploded view of the utility model inlet cone.
Fig. 5 is the main view of the utility model inlet cone.
Fig. 6 is the diagrammatic cross-section of the utility model inlet cone.
Specific embodiment
It please join shown in Fig. 1 to Fig. 6, the utility model discloses a kind of tail-gas after treatment apparatus 100, to handle engine
Tail gas to reduce the discharge of harmful substance.The tail-gas after treatment apparatus 100 includes the first post-processing carrier module 1, is located at
The second post-processing carrier module 2 in the downstream of the first post-processing carrier module 1 is located at the second post-processing carrier module
The third in 2 downstream post-processes carrier module 3 and is located at the second post-processing carrier module 2 and third post-processing load
Mixer assembly 4 between body component 3, wherein the mixer assembly 4 includes mixing tube 41, the extension side of the mixing tube 41
To the extending direction perpendicular to the tail-gas after treatment apparatus 100.
In the utility model embodiment illustrated, the first post-processing carrier module 1 includes oxidation catalyzer
(DOC), the second post-processing carrier module 2 includes diesel particulate trap (DPF), and the third post-processes carrier module 3
Including selective catalytic reducing agent (SCR).
The tail-gas after treatment apparatus 100 further includes the air inlet for being connected to the upstream of the first post-processing carrier module 1
Cone 5.
The inlet cone 5 includes inner housing 51, the outer housing 52 being socketed in outside the inner housing 51 and is mounted on institute
State at least one sensor holder 53 on outer housing 52.The outer housing 52 include first annular end 521, with it is described first annular
Hold 521 opposite the second annular ends 522 and the cone between the first annular end 521 and second annular end 522
Face 523.The inner housing 51 is in horn-like, to combine back pressure and uniformity.The inner housing 51 includes third annular end
511, the fourth annular end 512 opposite with the third annular end 511 and it is located at the third annular end 511 and the described 4th
Arc surface 513 between annular end 512.The first annular end 521 is sealed with the third annular end 511, described
Second annular end 522 is sealed with the fourth annular end 512, is equipped between the arc surface 513 and the conical surface 523
One annular space 54, the sensor holder 53 extend into the annular space 54.
The arc surface 513 is equipped with the opening 514 of sensor holder 53 described in face, in order to detect the parameter of exhaust.
The third annular end 511 is located at the inside at the first annular end 521 and is in contact with the first annular end 521.It is described
Fourth annular end 512 is located at the inside of second annular end 522 and is in contact with second annular end 522.The third
Annular end 511 is air inlet, and the fourth annular end 512 is gas outlet.
Compared to the prior art, it is in horn-like inner housing 51 that the utility model, which is provided with, and eliminates carrier upstream
Air distribution plate.By inside holding, using the Viscous Characteristics of fluid, gas is adjusted by adjusting the inner surface arc of inner housing 51
Stream enters uniformity when carrier end face, and preferable uniformity is obtained in the case where not improving back pressure.
In addition, above embodiments are merely to illustrate the utility model and not limit technical side described in the utility model
Case, understanding of this description should be based on persons of ordinary skill in the field, although this specification is referring to above-mentioned
Embodiment has been carried out detailed description to the utility model, still, those skilled in the art should understand that, affiliated skill
The technical staff in art field still can be modified or replaced equivalently the utility model, and all not depart from this practical new
The technical solution and its improvement of the spirit and scope of type, should all cover in the scope of the claims of the utility model.
Claims (8)
1. a kind of inlet cone, is used for tail-gas after treatment apparatus, the inlet cone includes inner housing, is socketed in outside the inner housing
The outer housing in portion and at least one sensor holder being mounted on the outer housing, the outer housing include first annular end,
Second annular end opposite with the first annular end and between the first annular end and second annular end
The conical surface, which is characterized in that the inner housing in horn-like, the inner housing include third annular end, with the third annular end
Opposite fourth annular end and the arc surface between the third annular end and the fourth annular end；First ring
Shape end is sealed with the third annular end, and second annular end is sealed with the fourth annular end, described
An annular space is equipped between arc surface and the conical surface, the sensor holder extends into the annular space.
2. inlet cone as described in claim 1, it is characterised in that：The arc surface is equipped with opening for sensor holder described in face
Mouthful.
3. inlet cone as described in claim 1, it is characterised in that：The third annular end is located at the interior of the first annular end
It side and is in contact with the first annular end.
4. inlet cone as described in claim 1, it is characterised in that：The fourth annular end is located at the interior of second annular end
It side and is in contact with second annular end.
5. inlet cone as described in claim 1, it is characterised in that：The third annular end is air inlet, the fourth annular
End is gas outlet.
6. a kind of tail-gas after treatment apparatus comprising the first post-processing carrier module is located at the first post-processing carrier module
Downstream second post-processing carrier module, positioned at it is described second post-processing carrier module downstream third post-process vehicle group
Part and the mixer assembly between the second post-processing carrier module and third post-processing carrier module, wherein
The mixer assembly includes mixing tube, the extension side for extending perpendicularly to the tail-gas after treatment apparatus of the mixing tube
To, it is characterised in that：The tail-gas after treatment apparatus further include be connected to it is described first post-processing carrier module upstream into
Gas coning, the inlet cone are inlet cone described in any one of claim 1 to 5.
7. tail-gas after treatment apparatus as claimed in claim 6, it is characterised in that：The first post-processing carrier module includes oxygen
Change catalyst converter, the second post-processing carrier module includes diesel particulate trap, and the third post-processing carrier module includes
Selective catalytic reducing agent.
8. tail-gas after treatment apparatus as claimed in claim 6, it is characterised in that：The tail-gas after treatment apparatus is not set to be located at
The air distribution plate of the upstream of the first post-processing carrier module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820455313.XU CN208122921U (en) | 2018-04-02 | 2018-04-02 | Inlet cone and its tail-gas after treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820455313.XU CN208122921U (en) | 2018-04-02 | 2018-04-02 | Inlet cone and its tail-gas after treatment apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208122921U true CN208122921U (en) | 2018-11-20 |
Family
ID=64194497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820455313.XU Active CN208122921U (en) | 2018-04-02 | 2018-04-02 | Inlet cone and its tail-gas after treatment apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208122921U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019192123A1 (en) * | 2018-04-02 | 2019-10-10 | 天纳克（苏州）排放系统有限公司 | Inlet cone and exhaust after-treatment device therefor |
| WO2021018128A1 (en) * | 2019-07-29 | 2021-02-04 | 天纳克（苏州）排放系统有限公司 | Exhaust gas aftertreatment device |
-
2018
- 2018-04-02 CN CN201820455313.XU patent/CN208122921U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019192123A1 (en) * | 2018-04-02 | 2019-10-10 | 天纳克（苏州）排放系统有限公司 | Inlet cone and exhaust after-treatment device therefor |
| CN110344916A (en) * | 2018-04-02 | 2019-10-18 | 天纳克（苏州）排放系统有限公司 | Inlet cone and its tail-gas after treatment apparatus |
| WO2021018128A1 (en) * | 2019-07-29 | 2021-02-04 | 天纳克（苏州）排放系统有限公司 | Exhaust gas aftertreatment device |
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