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CN205714373U - Exhaust aftertreatment mixing arrangement - Google Patents

Exhaust aftertreatment mixing arrangement Download PDF

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Publication number
CN205714373U
CN205714373U CN201620569957.2U CN201620569957U CN205714373U CN 205714373 U CN205714373 U CN 205714373U CN 201620569957 U CN201620569957 U CN 201620569957U CN 205714373 U CN205714373 U CN 205714373U
Authority
CN
China
Prior art keywords
plate
cavity
exhaust aftertreatment
mixing arrangement
outer tube
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.)
Withdrawn - After Issue
Application number
CN201620569957.2U
Other languages
Chinese (zh)
Inventor
王聪
童毅君
陈智
毛伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tenneco Suzhou Emission System Co Ltd
Original Assignee
Tenneco Suzhou Emission System Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tenneco Suzhou Emission System Co Ltd filed Critical Tenneco Suzhou Emission System Co Ltd
Priority to CN201620569957.2U priority Critical patent/CN205714373U/en
Application granted granted Critical
Publication of CN205714373U publication Critical patent/CN205714373U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

A kind of exhaust aftertreatment mixing arrangement, it includes housing, the electric hybrid module being positioned at described housing and dividing plate, and described housing is separated into the first cavity with inlet communication and the second cavity with outlet by wherein said dividing plate.Electric hybrid module includes inner tube, dispensing body, outer tube and end cap, said inner tube is provided with the first body being positioned at described first cavity and the second body extending into described second cavity, the wall of described first body is provided with some spinning disks, and the wall of described second body is provided with some first perforation that supply flowed through;Described dispensing body is provided with some through holes that supply flowed through;Described outer tube is positioned at the periphery of described second body, and the wall of described outer tube is provided with supply and flowed through some second perforation;Described end cap is positioned at the bottom of described outer tube, in order to force flow reversal.Be arranged such, add Urea Evaporation away from discrete time, improve the uniformity of air-flow mixing.

Description

Exhaust aftertreatment mixing arrangement
Technical field
This utility model relates to a kind of exhaust aftertreatment mixing arrangement, belongs to motor exhaust post-processing technology field.
Background technology
Research shows ammonia distribution in exhaust gas aftertreatment system (such as selective catalytic reduction system operating, SCR system) pipeline Uniformity coefficient has important impact to overall performance and the endurance quality of system.If ammonia skewness can cause regional area Ammonia too much thus easily causes NH_3 leakage, and causes oxynitride (NOx) transformation efficiency too low at other ammonia thin areas.Long The uneven distribution of time ammonia can cause catalyst aging uneven, thus affects the overall performance of catalyst.It addition, urea solution The uneven distribution dripped can cause local tube wall or mixed structure temperature too low, forms crystallization, can block offgas duct, leads time serious Cause engine power performance declines.
Therefore, it is necessary to provide a kind of novel exhaust aftertreatment mixing arrangement, to solve above-mentioned technical problem.
Utility model content
The purpose of this utility model is to provide the exhaust aftertreatment mixing arrangement of a kind of mix homogeneously.
For achieving the above object, this utility model adopts the following technical scheme that a kind of exhaust aftertreatment mixing arrangement, its bag Including housing, the electric hybrid module being positioned at described housing and the dividing plate matched with described electric hybrid module, wherein said housing sets Having the mounting seat installing urea nozzle to spray carbamide in described electric hybrid module, described housing is separated into by described dividing plate With the first cavity of inlet communication and with the second cavity of outlet, described electric hybrid module includes inner tube and said inner tube The dispensing body matched, the outer tube being positioned at said inner tube periphery and the end cap matched with described outer tube, said inner tube is provided with It is positioned at the first body of described first cavity and extends into the second body of described second cavity, described first body Wall is provided with some spinning disks, and the wall of described second body is provided with some first perforation that supply flowed through;Described dispensing body It is provided with some through holes that supply flowed through;Described outer tube is positioned at the periphery of described second body, and the wall of described outer tube is provided with confession Air-flow is through some second perforation;Described end cap is positioned at the bottom of described outer tube, in order to force flow reversal.
The technical scheme improved further as this utility model, described dividing plate includes being positioned at described electric hybrid module side First plate, it is positioned at the second plate of described electric hybrid module opposite side and connects described first plate and described second plate 3rd plate, described 3rd plate is provided with the installing hole passed for described electric hybrid module.
The technical scheme improved further as this utility model, described dividing plate is the most Z-shape, described first plate and institute Stating the second plate the most vertically to extend and bearing of trend is contrary, described 3rd plate is horizontal-extending.
The technical scheme improved further as this utility model, described 3rd plate is provided with and is positioned at described installing hole periphery Fluting, described fluting connects described first cavity and described second cavity.
The technical scheme improved further as this utility model, described first body includes being positioned at the upper of described spinning disk Some perforates in portion, described perforate is connected near described mounting seat and with described first cavity.
The technical scheme improved further as this utility model, described outer tube is adjacent to described second plate.
The technical scheme improved further as this utility model, described second plate is provided with fluting, and described outer tube is at least Part protrudes described fluting to be directly exposed in described first cavity.
The technical scheme improved further as this utility model, described dispensing body is fixed on the end of described first body Portion.
The technical scheme improved further as this utility model, described dispensing body is arc-shaped.
The technical scheme improved further as this utility model, described end cap be provided with protrude in described second body and In order to force the projection of flow reversal.
The technical scheme improved further as this utility model, described dispensing body is positioned at the top of described end cap and perpendicular Nogata is upwards spaced apart with described end cap.
Compared to prior art, this utility model improves mixing homogeneously of tail gas and urea droplets by arranging spinning disk Property;By arranging dispensing body, make urea droplets littlely broken, improve atomization and the mixed effect of carbamide;It addition, by setting Put inner tube and outer tube, and force flow reversal by end cap, add Urea Evaporation away from discrete time, improve gas The uniformity of stream mixing.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of this utility model exhaust aftertreatment mixing arrangement.
Fig. 2 is the three-dimensional exploded view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the generalized section of line A-A in Fig. 3.
Fig. 5 is the generalized section of line B-B in Fig. 3.
Fig. 6 is the rearview of Fig. 1.
Fig. 7 is the generalized section of line C-C along Fig. 6.
Fig. 8 is this utility model exhaust aftertreatment mixing arrangement three-dimensional exploded view in another embodiment.
Fig. 9 is the generalized section along a certain angle of the exhaust aftertreatment mixing arrangement in Fig. 8.
Detailed description of the invention
Please join shown in Fig. 1 to Fig. 7, this utility model discloses a kind of exhaust aftertreatment mixing arrangement 100, for such as To process the tail gas of electromotor in the after-treatment systems such as SCR.Described exhaust aftertreatment mixing arrangement 100 includes housing 1, is installed on Electric hybrid module 2 in described housing 1 and the dividing plate 3 matched with described electric hybrid module 2.
In this utility model embodiment illustrated, cylindrically, it is provided with to described housing 1 indent described housing 1 Fall into installing plate 11 and be welded on the mounting seat 12 on described installing plate 11.Described mounting seat 12 is in order to install urea nozzle (not shown) is to spray carbamide in described electric hybrid module 2.
Described dividing plate 3 described housing 1 is separated into the first cavity 13 with inlet communication and with the second of outlet Cavity 14.In this utility model embodiment illustrated, described dividing plate 3 is the most Z-shape, and it includes being positioned at described electric hybrid module First plate 31 of 2 sides, be positioned at described electric hybrid module 2 opposite side the second plate 32 and connect described first plate 31 with 3rd plate 33 of described second plate 32.Described first plate 31 all vertically extends and bearing of trend with described second plate 32 On the contrary.Described 3rd plate 33 is horizontal-extending.Described 3rd plate 33 is provided with the installing hole 331 passed for described electric hybrid module 2 And it is positioned at the fluting 332 of described installing hole 331 periphery.
Dispensing body 22 that the inner tube 21 that includes described electric hybrid module 2 matches with said inner tube 21, it is positioned at outside said inner tube 21 The outer tube 23 enclosed and the end cap 24 matched with described outer tube 23.Wherein said inner tube 21 is provided with and is positioned at described first cavity 13 In the first body 211 and extend into the second body 212 in described second cavity 14.The wall of described first body 211 It is provided with some spinning disks 2111 and is positioned at some perforates 2112 on top of described spinning disk 2111.Described spinning disk 2111 In described first cavity 13.Described perforate 2112 is connected near described mounting seat 12 and with described first cavity 13.Described Described first cavity 13 of fluting 332 connection and described second cavity 14, and described fluting 332 can for through air-flow blow to The inwall of outer tube 23, blows away crystallization, thus reduces crystallization risk.In this utility model embodiment illustrated, described first The wall of body 211 is round table-like.The wall of described second body 212 is provided with some first perforation 2121 that supply flowed through. Described dispensing body 22 is provided with some through holes 221 that supply flowed through.Described outer tube 23 is positioned at the periphery of described second body 212, The wall of described outer tube 23 is provided with supply and flowed through some second perforation 231.Described end cap 24 is positioned at the bottom of described outer tube 23, In order to force flow reversal.
In this utility model embodiment illustrated, described dispensing body 22 is fixed on the bottom of described first body 211. Described dispensing body 22 is in arc-shaped.Described end cap 24 is provided with in protruding into described second body 212 and in order to force air-flow reverse The projection 241 of flowing.Described dispensing body 22 is positioned at the top of described end cap 24 and in the vertical direction and described end cap 24 is spaced Open.
Please join shown in Fig. 5, after assembling, the wall of described outer tube 23 is adjacent to described second plate 32.It is arranged such, a side Face, can reduce the size needed for layout;On the other hand, by aerofluxus, described second plate 32 and outer tube 23 can be carried out Heating, thus reduce the risk forming urea crystals in outer tube 23 further.
When the tail gas of electromotor enters the first cavity 13 from import, the tail gas of the overwhelming majority is in the guiding of spinning disk 2111 Under rotate into inner tube 21, a small amount of tail gas enters inner tube 21 from perforate 2112.When meeting injection conditions, urea nozzle is to mixed Spraying carbamide in seaming element 2, the urea droplets of atomization is mixed together with the tail gas of electromotor and is rotated down.If dispensing body 22 Dry through hole 221 can make to get to carbamide thereon and be fractured into less drop, thus improves atomization and the mixing effect of carbamide Really.Subsequently, under the effect of end cap 24, force air-flow reversely (the most upwards) flowing.Air-flow after Fan Xiang is through the first perforation 2121 and/or second perforation 231, and leave from outlet.Be arranged such, add Urea Evaporation away from discrete time, improve The uniformity of air-flow mixing, reduces the risk of urea crystals.
Please join shown in Fig. 8 and Fig. 9, in another embodiment of this utility model exhaust aftertreatment mixing arrangement 100, institute State the second plate 32 and be provided with fluting 321.After outer tube 23 assembles with described second plate 32, described outer tube 23 is at least part of Protrude described fluting 321.Being arranged such, the wall portion that outer tube 23 is directly exposed in described first cavity 13 can be entered by aerofluxus Row heating, thus reduce the risk forming urea crystals in outer tube 23 further.
It addition, above example is merely to illustrate this utility model and and technical side described by unrestricted this utility model Case, understanding of this description should be based on person of ordinary skill in the field, although this specification is with reference to above-mentioned Embodiment has been carried out detailed description to this utility model, but, it will be understood by those within the art that, affiliated skill This utility model still can be modified or equivalent by the technical staff in art field, and all are new without departing from this practicality The technical scheme of the spirit and scope of type and improvement thereof, all should contain in right of the present utility model.

Claims (10)

1. an exhaust aftertreatment mixing arrangement, it includes housing, the electric hybrid module being positioned at described housing and mixes with described The dividing plate that seaming element matches, wherein said housing is provided with to install urea nozzle to spray carbamide in described electric hybrid module Mounting seat, described housing is separated into the first cavity with inlet communication and the second chamber with outlet by described dividing plate Body, it is characterised in that: described electric hybrid module includes dispensing body that inner tube matches with said inner tube, to be positioned at said inner tube peripheral Outer tube and the end cap that matches with described outer tube, said inner tube be provided be positioned at described first cavity the first body and Extending into the second body in described second cavity, the wall of described first body is provided with some spinning disks, described second body Wall be provided with supply flowed through some first perforation;Described dispensing body is provided with some through holes that supply flowed through;Outside described Pipe is positioned at the periphery of described second body, and the wall of described outer tube is provided with supply and flowed through some second perforation;Described end cap position In the bottom of described outer tube, in order to force flow reversal.
2. exhaust aftertreatment mixing arrangement as claimed in claim 1, it is characterised in that: described dividing plate includes being positioned at described mixing First plate of assembly side, it is positioned at the second plate of described electric hybrid module opposite side and connects described first plate with described 3rd plate of the second plate, described 3rd plate is provided with the installing hole passed for described electric hybrid module.
3. exhaust aftertreatment mixing arrangement as claimed in claim 2, it is characterised in that: described dividing plate is the most Z-shape, and described the One plate the most vertically extends with described second plate and bearing of trend is contrary, and described 3rd plate is horizontal-extending.
4. exhaust aftertreatment mixing arrangement as claimed in claim 2, it is characterised in that: described 3rd plate be provided be positioned at described The fluting that installing hole is peripheral, described fluting connects described first cavity and described second cavity.
5. exhaust aftertreatment mixing arrangement as claimed in claim 1, it is characterised in that: described first body includes being positioned at described Some perforates on the top of spinning disk, described perforate is connected near described mounting seat and with described first cavity.
6. exhaust aftertreatment mixing arrangement as claimed in claim 2, it is characterised in that: described outer tube is adjacent to described second plate Sheet.
7. exhaust aftertreatment mixing arrangement as claimed in claim 6, it is characterised in that: described second plate is provided with fluting, institute State outer tube and at least partly protrude described fluting to be directly exposed in described first cavity.
8. exhaust aftertreatment mixing arrangement as claimed in claim 1, it is characterised in that: described dispensing body is fixed on described first The bottom of body.
9. exhaust aftertreatment mixing arrangement as claimed in claim 1, it is characterised in that: described dispensing body is arc-shaped.
10. exhaust aftertreatment mixing arrangement as claimed in claim 1, it is characterised in that: described dispensing body is positioned at described end cap Top and in the vertical direction spaced apart with described end cap.
CN201620569957.2U 2016-06-13 2016-06-13 Exhaust aftertreatment mixing arrangement Withdrawn - After Issue CN205714373U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620569957.2U CN205714373U (en) 2016-06-13 2016-06-13 Exhaust aftertreatment mixing arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620569957.2U CN205714373U (en) 2016-06-13 2016-06-13 Exhaust aftertreatment mixing arrangement

Publications (1)

Publication Number Publication Date
CN205714373U true CN205714373U (en) 2016-11-23

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106640301A (en) * 2017-02-22 2017-05-10 天纳克(苏州)排放系统有限公司 Tail gas post-treatment device
CN107489502A (en) * 2016-06-13 2017-12-19 天纳克(苏州)排放系统有限公司 Exhaust aftertreatment mixing arrangement
WO2018149053A1 (en) * 2017-02-20 2018-08-23 天纳克(苏州)排放系统有限公司 Exhaust gas post-treatment apparatus
WO2018228085A1 (en) * 2017-06-14 2018-12-20 天纳克(苏州)排放系统有限公司 Engine exhaust post-processing mixing device, and post-processing device and application thereof
CN109488426A (en) * 2019-01-28 2019-03-19 凯龙高科技股份有限公司 A kind of Double layer spiral flow vane type urea injection mixed cell
CN109915236A (en) * 2017-12-13 2019-06-21 天纳克(苏州)排放系统有限公司 Exhaust aftertreatment mixing arrangement
CN109989809A (en) * 2017-12-29 2019-07-09 天纳克(苏州)排放系统有限公司 Exhaust aftertreatment mixing arrangement and its encapsulation
WO2019140891A1 (en) * 2018-01-19 2019-07-25 天纳克(苏州)排放系统有限公司 Box-type engine exhaust post-treatmetnt device
WO2019140893A1 (en) * 2018-01-19 2019-07-25 天纳克(苏州)排放系统有限公司 Box-type engine exhaust post-treatment device
CN110056411A (en) * 2018-01-19 2019-07-26 天纳克(苏州)排放系统有限公司 Exhaust gas post-treatment device
WO2019144599A1 (en) * 2018-01-26 2019-08-01 天纳克(苏州)排放系统有限公司 Exhaust inlet pipe and exhaust post-treatment apparatus thereof
CN110080862A (en) * 2018-01-26 2019-08-02 天纳克(苏州)排放系统有限公司 Exhaust gas post-treatment device
US11208933B2 (en) 2017-09-19 2021-12-28 Tenneco (Suzhou) Emission System Co., Ltd. Exhaust gas after-treatment mixing device

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107489502A (en) * 2016-06-13 2017-12-19 天纳克(苏州)排放系统有限公司 Exhaust aftertreatment mixing arrangement
WO2017215460A1 (en) * 2016-06-13 2017-12-21 天纳克(苏州)排放系统有限公司 Mixing apparatus for exhaust gas postprocessing
US10612443B2 (en) 2017-02-20 2020-04-07 Tenneco (Suzhou) Emission System Co., Ltd. Exhaust gas post-treatment apparatus
WO2018149053A1 (en) * 2017-02-20 2018-08-23 天纳克(苏州)排放系统有限公司 Exhaust gas post-treatment apparatus
WO2018153162A1 (en) * 2017-02-22 2018-08-30 天纳克(苏州)排放系统有限公司 Tail gas post-treatment apparatus
CN106640301A (en) * 2017-02-22 2017-05-10 天纳克(苏州)排放系统有限公司 Tail gas post-treatment device
WO2018228085A1 (en) * 2017-06-14 2018-12-20 天纳克(苏州)排放系统有限公司 Engine exhaust post-processing mixing device, and post-processing device and application thereof
US11486290B2 (en) 2017-09-19 2022-11-01 Tenneco (Suzhou) Emission System Co., Ltd. Exhaust gas after-treatment mixing device
US11208933B2 (en) 2017-09-19 2021-12-28 Tenneco (Suzhou) Emission System Co., Ltd. Exhaust gas after-treatment mixing device
CN109915236A (en) * 2017-12-13 2019-06-21 天纳克(苏州)排放系统有限公司 Exhaust aftertreatment mixing arrangement
CN109989809A (en) * 2017-12-29 2019-07-09 天纳克(苏州)排放系统有限公司 Exhaust aftertreatment mixing arrangement and its encapsulation
CN110056411A (en) * 2018-01-19 2019-07-26 天纳克(苏州)排放系统有限公司 Exhaust gas post-treatment device
WO2019140893A1 (en) * 2018-01-19 2019-07-25 天纳克(苏州)排放系统有限公司 Box-type engine exhaust post-treatment device
WO2019140891A1 (en) * 2018-01-19 2019-07-25 天纳克(苏州)排放系统有限公司 Box-type engine exhaust post-treatmetnt device
WO2019144599A1 (en) * 2018-01-26 2019-08-01 天纳克(苏州)排放系统有限公司 Exhaust inlet pipe and exhaust post-treatment apparatus thereof
CN110080862A (en) * 2018-01-26 2019-08-02 天纳克(苏州)排放系统有限公司 Exhaust gas post-treatment device
CN110080868A (en) * 2018-01-26 2019-08-02 天纳克(苏州)排放系统有限公司 Exhaust inlet pipe and its exhaust gas post-treatment device
CN109488426A (en) * 2019-01-28 2019-03-19 凯龙高科技股份有限公司 A kind of Double layer spiral flow vane type urea injection mixed cell
CN109488426B (en) * 2019-01-28 2023-10-03 凯龙高科技股份有限公司 Double-layer rotational flow vane type urea injection mixing unit

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Granted publication date: 20161123

Effective date of abandoning: 20200630

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