CN206987917U - A kind of nozzle integrated form catalytic muffler - Google Patents
A kind of nozzle integrated form catalytic muffler Download PDFInfo
- Publication number
- CN206987917U CN206987917U CN201720413777.XU CN201720413777U CN206987917U CN 206987917 U CN206987917 U CN 206987917U CN 201720413777 U CN201720413777 U CN 201720413777U CN 206987917 U CN206987917 U CN 206987917U
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- China
- Prior art keywords
- housing
- dividing plate
- doc
- air inlet
- pipe
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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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a kind of nozzle integrated form catalytic muffler, main body is cylinder hollow-core construction housing, and shell one end is provided with drive end bearing bracket, and the housing other end is provided with rear end cap, and housing cavity is disposed with intake noise reduction pipe and SCR assemblies afterwards in the past.Organically nozzle, clarifier and muffler are integrated, greatly reduce cost, while purifies part in cavity; do not contacted directly with the external world; carrier is protected well, effectively reduces the content of the NOx and PM in tail gas, and enables to vehicle chassis layout more simple.
Description
Technical field
Field of automobile is the utility model is related to, specially a kind of nozzle integrated form catalytic muffler.
Background technology
Automobile, i.e., itself there is power to be driven, be not necessary to, according to track or electric power erection, be able to the vehicle of powered travel.
In broad terms, there are the vehicle of four-wheel traveling, universal more referred to as automobiles.It is right in SAE standard SAEJ687C
The definition of automobile is：By power drive itself, equipped with pilot instrument, visitor can be transported in the road beyond trapped orbit or geographically
The vehicle of goods or towing vehicle.Automobile is divided into bicycle and train by general structure.Bicycle is citation form.Conventional 4 × 2,6 × 4,
4 × 4 and 6 × 6 grade symbols represent driving feature, and previous digitized representation wheel is total (twin tyre still calculates a wheel), after
One numeral represents driving wheel number.Such as all wheels are that driving wheel is referred to as all-wheel drive vehicle.Train be by tractor or
Bicycle trailer converter dolly or semitrailer composition.Automobile generally can be divided into following a few classes, i.e. car, car, cargo vehicle (custom by purposes
Claim truck), offroad vehicle, towing motorcar, dump truck, special purpose vehicle, semitrailer and special semitrailer.
In haulage vehicle, diesel car occupies very big ratio, is got over as country administers to the dynamics of air pollution
Carry out the standard more and more higher of bigger discharge to diesel automobile exhaust.
Utility model content
The purpose of this utility model is that providing one kind is organically integrated nozzle, clarifier and muffler,
Cost is greatly reduced, while purifies part in cavity, is not contacted directly with the external world, protects carrier well, effectively
The content of the NOx and PM in tail gas are reduced, and enables to vehicle chassis layout more simple, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical scheme：A kind of nozzle integrated form catalytic muffler, it is main
Body is cylinder hollow-core construction housing, and the shell one end is provided with drive end bearing bracket, and the housing other end is provided with rear end cap, housing cavity
In the past intake noise reduction pipe and SCR assemblies are disposed with after；
The drive end bearing bracket is provided with air inlet pipe and nozzle carrier, and the air inlet pipe is cylinder tubular structure, in air inlet pipe
Axis and the housing axis parallel, have been welded to connect nozzle carrier on the drive end bearing bracket directly over air inlet pipe, the nozzle carrier with
Air inlet pipe axis is in 15 ° of angles；
Described intake noise reduction pipe one end is provided with dividing plate A, and the intake noise reduction pipe other end sets dividing plate B, collected on intake noise reduction pipe
Into there is blender, the dividing plate A and dividing plate B are close to the inner walls；
The rear end cap is provided with tail pipe, and the tail pipe end stretches into the housing inner portion and is provided with outlet hush tube,
Setting dividing plate C, the dividing plate C are close to the inner walls on the outside of the outlet hush tube；
SCR assemblies include DOC housings, catalyst and pad, and the pad is attached to the inner walls, and pad inner side is set
There are DOC housings, DOC housing cross-sectionals are annular, and inner side profile is inner gear structure, is evenly distributed with DOC housings some
Individual through hole, DOC enclosure interiors cavity are provided with catalyst, and it with the inclined angle of DOC surface of shell is 15~40 ° that the through hole, which is,
Strip perforate；
Flange has been welded to connect on the outside of air inlet pipe；
Also include temperature sensor base, the temperature sensor base is fixedly installed between dividing plate B and SCR assembly
On housing；
Also include NOx sensor base, the NOx sensor base is fixedly installed between SCR assemblies and dividing plate C
On housing.
Compared with prior art, the beneficial effects of the utility model are：
(1) nozzle, clarifier and muffler are organically integrated by the utility model, greatly reduce cost,
Part is purified simultaneously in cavity, is not contacted directly with the external world, is protected carrier well, effectively reduce in tail gas
NOx and PM content, and enable to vehicle chassis layout more simple.
(2) SCR assemblies include DOC housings, catalyst and pad in utility model, and catalyst and tail gas contact area are more
Greatly, react more complete.Through hole therein is the strip perforate for being 15~40 ° with the inclined angle of DOC surface of shell, can
Increase the contact area of catalyst and tail gas while effectively avoiding the catalyst of inner side from dropping.
(3) flange has been welded to connect on the outside of air inlet pipe, can be attached with most existing equipment, extend the equipment
Can application.
(4) temperature sensor base is also included in utility model, can be during equipment use in time to current tail gas temperature
Degree is detected.
(5) the utility model also includes NOx sensor base, and the tail gas situation after catalytic reaction can be monitored, real
When obtain the feedback of catalytic effect, possess great use value.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the utility model SCR assembly cross-sectional detail structural representations.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：A kind of nozzle integrated form catalytic muffler, main body are
Cylinder hollow-core construction housing 1, described one end of housing 1 are provided with drive end bearing bracket 2, and the other end of housing 1 is provided with rear end cap 3, in housing 1
Chamber is disposed with intake noise reduction pipe 4 and SCR assemblies 5 afterwards in the past.Drive end bearing bracket 2 is provided with air inlet pipe 6 and nozzle carrier 7, described
Air inlet pipe 6 is cylinder tubular structure, the axis of air inlet pipe 6 and the axis parallel of housing 1, directly over air inlet pipe 6
Nozzle carrier 7 is welded to connect on drive end bearing bracket 2, the nozzle carrier 7 and the axis of air inlet pipe 6 are in 15 ° of angles.Intake noise reduction pipe 4 one
End is provided with dividing plate A8, the other end of intake noise reduction pipe 4 setting dividing plate B9, is integrated with blender 10 on intake noise reduction pipe 4, it is described every
Plate A8 and dividing plate B9 is close to the inwall of housing 1；Rear end cap 3 is provided with tail pipe 11, and the shell is stretched into the end of tail pipe 11
The interior section of body 1 is provided with outlet hush tube 12, the outside of outlet hush tube 12 set dividing plate C13, the dividing plate C13 with it is described
The inwall of housing 1 is close to.Organically nozzle, clarifier and muffler are integrated, cost is greatly reduced, purifies simultaneously
Part does not contact directly with the external world in cavity, protects carrier well, effectively reduces NOx's in tail gas and PM
Content, and enable to vehicle chassis layout more simple.
As shown in Fig. 2 SCR assemblies 5 include DOC housings 5a, catalyst 5b and pad 5c, the pad 5c are attached to described
The inwall of housing 1, pad 5c inner sides are annular provided with DOC housings 5a, DOC housing 5a cross sections, and inner side profile is internal tooth rolling hitch
Structure, several through holes 5d, DOC housing 5a internal cavities are evenly distributed with DOC housings 5a and are provided with catalyst 5b, catalyst 5b
Bigger with tail gas contact area, reaction is more complete.The through hole 5d be with the inclined angle in DOC housing 5a surfaces be 15~
40 ° of strip perforate.Increase the contact surface of catalyst 5b and tail gas while can effectively avoiding the catalyst 5b of inner side from dropping
Product.
Also, the outside of air inlet pipe 6 has been welded to connect flange 14.It can be attached with most existing equipment, extension should
Equipment can application.
Also include temperature sensor base 15 and NOx sensor base 16, the temperature sensor in the utility model
Base 15 is fixedly installed on the housing 1 between dividing plate B9 and SCR assembly 5.Can be during equipment use in time to current tail
Temperature degree is detected.NOx sensor base 16 is fixedly installed on the housing 1 between SCR assemblies 5 and dividing plate C13, can be to urging
Change reacted tail gas situation to be monitored, obtain the feedback of catalytic effect in real time, possess great use value.
Under all operating modes of engine, discharged after purification：NOx is 1.92g/kWh, HC 0.033g/kWh, PM are
0.018g/kWh, CO 0.03g/kWh；Insertion loss is 18.5~20.3dB (A)；Exhaust back pressure difference for 16.5.4~
21.5kPa；Power loss ratio 0.3~1.67%.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (1)
1. a kind of nozzle integrated form catalytic muffler, main body is cylinder hollow-core construction housing, it is characterised in that：The housing one
End is provided with drive end bearing bracket, and the housing other end is provided with rear end cap, and housing cavity is disposed with intake noise reduction pipe and SCR afterwards in the past
Assembly；
The drive end bearing bracket is provided with air inlet pipe and nozzle carrier, and the air inlet pipe is cylinder tubular structure, the axis of air inlet pipe
With the housing axis parallel, nozzle carrier, the nozzle carrier and air inlet have been welded to connect on the drive end bearing bracket directly over air inlet pipe
Pipe axis is in 15 ° of angles；
Described intake noise reduction pipe one end is provided with dividing plate A, and the intake noise reduction pipe other end sets dividing plate B, is integrated with intake noise reduction pipe
Blender, the dividing plate A and dividing plate B are close to the inner walls；
The rear end cap is provided with tail pipe, and the tail pipe end stretches into the housing inner portion and is provided with outlet hush tube, described
Setting dividing plate C, the dividing plate C are close to the inner walls on the outside of outlet hush tube；The SCR assemblies include DOC housings, urged
Agent and pad, the pad are attached to the inner walls, and pad inner side is provided with DOC housings, and DOC housing cross-sectionals are annulus
Shape, inner side profile are inner gear structure, and several through holes are evenly distributed with DOC housings, and DOC enclosure interiors cavity is provided with catalysis
Agent, the strip perforate that it is 15~40 ° with the inclined angle of DOC surface of shell that the through hole, which is,；Welded on the outside of the air inlet pipe
It is connected with flange；Also include temperature sensor base, the temperature sensor base be fixedly installed on dividing plate B and SCR assemblies it
Between housing on；Also include NOx sensor base, the NOx sensor base is fixedly installed between SCR assemblies and dividing plate C
Housing on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720413777.XU CN206987917U (en) | 2017-04-19 | 2017-04-19 | A kind of nozzle integrated form catalytic muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720413777.XU CN206987917U (en) | 2017-04-19 | 2017-04-19 | A kind of nozzle integrated form catalytic muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206987917U true CN206987917U (en) | 2018-02-09 |
Family
ID=61392644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720413777.XU Active CN206987917U (en) | 2017-04-19 | 2017-04-19 | A kind of nozzle integrated form catalytic muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206987917U (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 |
-
2017
- 2017-04-19 CN CN201720413777.XU patent/CN206987917U/en active Active
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 |
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