CN107676153A - Engine exhaust post processing encapsulation - Google Patents
Engine exhaust post processing encapsulation Download PDFInfo
- Publication number
- CN107676153A CN107676153A CN201710911090.3A CN201710911090A CN107676153A CN 107676153 A CN107676153 A CN 107676153A CN 201710911090 A CN201710911090 A CN 201710911090A CN 107676153 A CN107676153 A CN 107676153A
- Authority
- CN
- China
- Prior art keywords
- engine exhaust
- flange
- post processing
- exhaust post
- end cap
- 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.)
- Granted
Links
- 238000005538 encapsulation Methods 0.000 title claims abstract description 25
- 238000012805 post-processing Methods 0.000 title claims abstract description 25
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 3
- 238000005192 partition Methods 0.000 claims description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- 239000004202 carbamide Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/2073—Selective catalytic reduction [SCR] with means for generating a reducing substance from the exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
A kind of engine exhaust post processing encapsulation, it includes aftertreatment assembly, mixer tube assembly and the nozzle mounting bracket assembly that is engaged with the mixer tube assembly positioned at the upstream of the aftertreatment assembly, the mixer tube assembly includes mixing tube and first flange, the nozzle mounting bracket assembly includes nozzle carrier end cap, second flange and the nozzle mounting seat being fixed on the nozzle carrier end cap, the engine exhaust post processing encapsulation also includes the clip of the detachably connected first flange and the second flange, so that the nozzle mounting bracket assembly is removably joined together with the mixer tube assembly.Be arranged such, it is necessary to when, by clip unclamp nozzle mounting bracket assembly can just be removed, so as to realize the cleaning to mixing tube.
Description
Technical field
The present invention relates to a kind of post processing of engine exhaust to encapsulate.
Background technology
Engine exhaust post processing encapsulation (such as diesel exhaust aftertreatment encapsulation) is primarily used to handle or the row that evolves
Poisonous and harmful substance device in gas.Harmful toxic matter in exhaust is mainly comprising hydrocarbon, carbon monoxide, nitrogen oxides
And particulate matter etc..
Have in the prior art using diesel oxidation catalyst (DOC), diesel particulate trap (DPF) and selectivity
Catalysis reduces (SCR) combined scheme to improve the efficiency of vent gas treatment.However, with the upgrading of Abgasgesetz, to exhaust
The requirement of middle pollutant concentration is more and more lower, therefore the amount more and more higher of the urea liquid to being sprayed into.Industry is generally deposited at present
Technical barrier be how to solve the problems, such as urea crystals.
The content of the invention
It is an object of the invention to provide a kind of engine exhaust for being readily cleaned mixing tube to post-process encapsulation.
To achieve the above object, the present invention adopts the following technical scheme that：A kind of engine exhaust post processing encapsulation, it includes
Aftertreatment assembly, the mixer tube assembly positioned at the upstream of the aftertreatment assembly and the spray being engaged with the mixer tube assembly
Mouth mounting bracket assembly, the mixer tube assembly include mixing tube and first flange, and the nozzle mounting bracket assembly includes nozzle
Seat end cap, second flange and the nozzle mounting seat being fixed on the nozzle carrier end cap, the engine exhaust post processing envelope
Dress also includes the clip of the detachably connected first flange and the second flange so that the nozzle mounting bracket assembly with
The mixer tube assembly is removably joined together.
As further improved technical scheme of the present invention, the mixing tube include hollow inner chamber body, be centered around it is described
Peripheral and circumferentially distributed some fins of inner chamber body, connect corresponding to some fins and with the inner chamber body it is some
Slot and positioned at the side of the fin and close to some clean-out hatch of the nozzle mounting seat.
As further improved technical scheme of the present invention, the first flange is weldingly fixed on the mixing tube.
As further improved technical scheme of the present invention, the second flange is weldingly fixed on the nozzle carrier end cap
On.
As further improved technical scheme of the present invention, the nozzle carrier end cap is provided with end plate and prolonged from the end plate
The cylindrical portion stretched, the nozzle mounting seat are weldingly fixed on the end plate, and the cylindrical portion is provided with to accommodate urea
The accommodating chamber of nozzle, the second flange are weldingly fixed in the cylindrical portion.
As further improved technical scheme of the present invention, the cylindrical portion is at least partially inserted into the mixing tube.
As further improved technical scheme of the present invention, the engine exhaust post processing encapsulation also includes being clamped in institute
State the pad between first flange and the second flange.
As further improved technical scheme of the present invention, engine exhaust post processing encapsulation includes housing, positioned at described
First partition in housing is with second partition and respectively positioned at the first partition and the first end of the second partition both sides
Lid and the second end cap, are covered wherein the mixing tube is welded on the first end, and the clip is located at the outer of first end cap
Side.
As further improved technical scheme of the present invention, the housing also includes the inner side for being fixed on second end cap
And it is provided with arc-shaped inner surface towards the end bowl of the mixing tube, the end bowl.
Compared to prior art, the present invention by nozzle mounting bracket assembly and mixer tube assembly by being detachably connected to one
Rise, it is necessary to when, by clip unclamp nozzle mounting bracket assembly can just be removed, so as to realize the cleaning to mixing tube.
Brief description of the drawings
Fig. 1 is the front view of inventive engine exhaust aftertreatment encapsulation.
Fig. 2 is Fig. 1 left view.
Fig. 3 is Fig. 1 right view.
Fig. 4 is Fig. 1 top view.
Fig. 5 is Fig. 1 upward view.
Fig. 6 is the diagrammatic cross-section of the line A-A along Fig. 1.
Fig. 7 is the partial enlarged drawing along Fig. 6.
Embodiment
Please join shown in Fig. 1 to Fig. 7, present invention is disclosed a kind of engine exhaust post processing encapsulation 100, it include housing 1,
First partition 11 in the housing 1 with second partition 12 and respectively positioned at the first partition 11 with described second every
The first end cap 13 and the second end cap 14 of the both sides of plate 12.
The engine exhaust post processing encapsulation 100 also includes aftertreatment assembly 2, positioned at the upper of the aftertreatment assembly 2
The mixer tube assembly 3 of trip and the nozzle mounting bracket assembly 4 being engaged with the mixer tube assembly 3.The mixer tube assembly 3 wraps
Include mixing tube 31 and first flange 32.The nozzle mounting bracket assembly 4 includes nozzle carrier end cap 41, second flange 42 and consolidated
The nozzle mounting seat 43 being scheduled on the nozzle carrier end cap 41.The engine exhaust post processing encapsulation 100 also includes detachable
Ground connects the clip 5 of the first flange 32 and the second flange 42 so that the nozzle mounting bracket assembly 4 mixes with described
Tube assembly 3 is removably joined together.
The mixing tube 31 includes hollow inner chamber body 311, is centered around the peripheral and circumferentially distributed of the inner chamber body 311
Some fins 312, corresponding to some fins 312 and some flutings 313 connected with the inner chamber body 311 and be located at
The side of the fin 312 and some clean-out hatch 314 of the close nozzle mounting seat 43.
It please join shown in Fig. 7, in illustrative embodiments of the present invention, the first flange 32 is weldingly fixed on the mixing
On pipe 31.The mixing tube 31 is welded on first end cap 13, and the clip 5 is located at the outside of first end cap 13.
The second flange 32 is weldingly fixed on the nozzle carrier end cap 41.The nozzle carrier end cap 41 is provided with end plate 411 and certainly
The cylindrical portion 412 that the end plate 411 extends out.The nozzle mounting seat 43 is weldingly fixed on the end plate 411, the cylinder
Shape portion 412 is provided with to accommodate the accommodating chamber 413 of urea nozzle 6, and the second flange 42 is weldingly fixed on the cylindrical portion 412
On.In illustrative embodiments of the present invention, the cylindrical portion 412 is at least partially inserted into the mixing tube 31.
The engine exhaust post processing encapsulation 100 also includes being clamped in the first flange 32 and the second flange 42
Between pad 44.
The housing 1 also includes being fixed on the inner side of second end cap 14 and towards the end bowl 141 of the mixing tube 31,
The end bowl 141 is provided with arc-shaped inner surface 142.
Compared to prior art, the present invention is by the way that nozzle mounting bracket assembly 4 and mixer tube assembly 3 are detachably connected to
Together, it is necessary to when, clip 5 is unclamped and can just be removed nozzle mounting bracket assembly 4 is overall, so as to realize to the clear of mixing tube 31
Wash.
In addition, above example is merely to illustrate the present invention and not limits technical scheme described in the invention, to this
The understanding of specification should be based on person of ordinary skill in the field, although this specification is with reference to the above embodiments pair
Present invention has been detailed description, still, it will be understood by those within the art that, the technology of art
Still the present invention can be modified by personnel or equivalent substitution, and all do not depart from the technology of the spirit and scope of the present invention
Scheme and its improvement, it all should cover in scope of the presently claimed invention.
Claims (9)
1. a kind of engine exhaust post processing encapsulation, it includes aftertreatment assembly, positioned at the mixed of the upstream of the aftertreatment assembly
Close tube assembly and the nozzle mounting bracket assembly being engaged with the mixer tube assembly, it is characterised in that：The mixer tube assembly
Including mixing tube and first flange, the nozzle mounting bracket assembly includes nozzle carrier end cap, second flange and is fixed on institute
The nozzle mounting seat on nozzle carrier end cap is stated, the engine exhaust post processing encapsulation also includes detachably connected described first
Flange and the clip of the second flange so that the nozzle mounting bracket assembly is detachably connected to the mixer tube assembly
Together.
2. engine exhaust post processing encapsulation as claimed in claim 1, it is characterised in that：The mixing tube includes hollow interior
Cavity, the peripheral and circumferentially distributed some fins for being centered around the inner chamber body, corresponding to some fins and with it is described
Inner chamber body connection some flutings and positioned at the side of the fin and close to the nozzle mounting seat some clean-out hatch.
3. engine exhaust post processing encapsulation as claimed in claim 1, it is characterised in that：The first flange is weldingly fixed on
On the mixing tube.
4. engine exhaust post processing encapsulation as claimed in claim 1, it is characterised in that：The second flange is weldingly fixed on
On the nozzle carrier end cap.
5. engine exhaust post processing encapsulation as claimed in claim 4, it is characterised in that：The nozzle carrier end cap is provided with end plate
And the cylindrical portion to be extended out from the end plate, the nozzle mounting seat are weldingly fixed on the end plate, the cylindrical portion
Provided with to accommodate the accommodating chamber of urea nozzle, the second flange is weldingly fixed in the cylindrical portion.
6. engine exhaust post processing encapsulation as claimed in claim 5, it is characterised in that：The cylindrical portion is at least partially inserted into
In the mixing tube.
7. engine exhaust post processing encapsulation as claimed in claim 1, it is characterised in that：The engine exhaust post processing envelope
Dress also includes the pad being clamped between the first flange and the second flange.
8. engine exhaust post processing encapsulation as claimed in claim 1, it is characterised in that：Engine exhaust post-processes wrapper
Include housing, the first partition in the housing and second partition and respectively positioned at the first partition with described second every
The first end cap and the second end cap of plate both sides, are covered wherein the mixing tube is welded on the first end, and the clip is located at institute
State the outside of the first end cap.
9. engine exhaust post processing encapsulation as claimed in claim 8, it is characterised in that：The housing also includes being fixed on institute
State the inner side of the second end cap and be provided with arc-shaped inner surface towards the end bowl of the mixing tube, the end bowl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710911090.3A CN107676153B (en) | 2017-09-29 | 2017-09-29 | Engine exhaust aftertreatment packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710911090.3A CN107676153B (en) | 2017-09-29 | 2017-09-29 | Engine exhaust aftertreatment packaging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107676153A true CN107676153A (en) | 2018-02-09 |
| CN107676153B CN107676153B (en) | 2024-04-19 |
Family
ID=61138726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710911090.3A Active CN107676153B (en) | 2017-09-29 | 2017-09-29 | Engine exhaust aftertreatment packaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107676153B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894859A (en) * | 2018-07-25 | 2018-11-27 | 汽解放汽车有限公司 | A kind of cylinder type integrates the post-processor assembly of detachable urea nozzle |
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|---|---|---|---|---|
| US20120090305A1 (en) * | 2010-10-19 | 2012-04-19 | Floyd Ryan A | Exhaust Gas Stream Vortex Breaker |
| US20130164181A1 (en) * | 2011-12-27 | 2013-06-27 | Tadashi Iijima | Reducing agent aqueous solution mixing device and exhaust gas post-treatment device |
| CN104066943A (en) * | 2013-01-17 | 2014-09-24 | 株式会社小松制作所 | Reducing agent aqueous solution mixing device and exhaust gas aftertreatment device provided with same |
| CN105275554A (en) * | 2015-10-21 | 2016-01-27 | 西安交通大学 | SCR post-treatment device with exhaust mixer |
| CN105464765A (en) * | 2015-12-30 | 2016-04-06 | 广西玉柴机器股份有限公司 | Mixer applied to tail gas aftertreatment |
| CN105673150A (en) * | 2016-04-11 | 2016-06-15 | 天纳克（苏州）排放系统有限公司 | Exhaust gas after-treatment device |
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| CN106194347A (en) * | 2016-08-30 | 2016-12-07 | 无锡威孚力达催化净化器有限责任公司 | A kind of swirl vane formula carbamide injection mixed cell |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894859A (en) * | 2018-07-25 | 2018-11-27 | 汽解放汽车有限公司 | A kind of cylinder type integrates the post-processor assembly of detachable urea nozzle |
| CN108894859B (en) * | 2018-07-25 | 2023-10-24 | 一汽解放汽车有限公司 | Post-processor assembly of cylindrical integrated detachable urea nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107676153B (en) | 2024-04-19 |
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| CB02 | Change of applicant information |
Country or region after: China Address after: 130000 workshop, no.2616 Chaoyue street, high tech Zone, Changchun City, Jilin Province Applicant after: Tiannake Fusheng (Changchun) Auto Parts Co.,Ltd. Address before: 130000 workshop, no.2616 Chaoyue street, high tech Zone, Changchun City, Jilin Province Applicant before: TENNECO FAWSN(CHANGCHUN) AUTOMOBILE PARTS CO.,LTD. Country or region before: China |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |