CN108252775A - A kind of SCR is catalyzed silencing apparatus - Google Patents
A kind of SCR is catalyzed silencing apparatus Download PDFInfo
- Publication number
- CN108252775A CN108252775A CN201810223494.8A CN201810223494A CN108252775A CN 108252775 A CN108252775 A CN 108252775A CN 201810223494 A CN201810223494 A CN 201810223494A CN 108252775 A CN108252775 A CN 108252775A
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- China
- Prior art keywords
- silencing apparatus
- rear end
- catalysis
- silencing
- bearing bracket
- 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.)
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- 230000030279 gene silencing Effects 0.000 title claims abstract description 113
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 42
- 229920000742 Cotton Polymers 0.000 claims abstract description 34
- 238000000465 moulding Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 abstract description 8
- 230000003197 catalytic effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012546 transfer Methods 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]
-
- 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
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
-
- 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
- F01N13/14—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 having thermal insulation
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a kind of SCR to be catalyzed silencing apparatus, including drive end bearing bracket, rear end cap, catalysis silencing apparatus main body and skeleton mounting bracket.Drive end bearing bracket includes front end cover housing, drive end bearing bracket inner casing and the first molding silencing cotton layer, and rear end cap includes rear end cover housing, rear end cap inner casing and the second molding silencing cotton layer.It is solid and reliable when needing that SCR catalysis silencing apparatus is bolted skeleton mounting bracket and can be realized with vehicle connect, it avoids the mode that support lifts and carries out that the problem of safety brought is low is installed.In addition, the first molding silencing cotton layer is clamped between front end cover housing and drive end bearing bracket inner casing, the second molding silencing cotton layer is clamped between rear end cover housing and rear end cap inner casing, molding silencing cotton realizes seamless noise reduction area covering, excellent noise reduction effect, and the setting of the double layer design of drive end bearing bracket and rear end cap and molding silencing cotton layer can effectively keep housing heat.To sum up, the present invention improves the heat insulating ability and installation reliability of SCR catalytic mufflers.
Description
Technical field
The present invention relates to automobile tail gas exhaust device technical fields, and silencing apparatus is catalyzed more particularly, to a kind of SCR.
Background technology
At present, the problem of SCR catalytic mufflers generally existing poor thermal insulation property, in order to solve this problem, main engine plants need
Will on SCR catalytic mufflers outsourcing heat-proof device again, increase use cost, and influence vehicle appearance, heat insulation effect also has
Limit.In addition, the mode of SCR catalytic muffler generally uses support lifting is installed, installation reliability is low.
Therefore, how to improve the heat insulating ability of SCR catalytic mufflers and installation reliability is that those skilled in the art urgently solve
Certainly the technical issues of.
Invention content
In view of this, the object of the present invention is to provide a kind of SCR to be catalyzed silencing apparatus, to improve SCR catalytic mufflers
Heat insulating ability and installation reliability.
To achieve these goals, the present invention provides following schemes：
A kind of SCR is catalyzed silencing apparatus, and including drive end bearing bracket, rear end cap and catalysis silencing apparatus main body, the catalysis is eliminated the noise
The drive end bearing bracket and the rear end cap are installed in the both ends of apparatus main body respectively, further include skeleton mounting bracket；
The catalysis silencing apparatus main body is mounted on the side of the skeleton mounting bracket, and the skeleton installation branch
Frame is detachably connected with vehicle to be connect by bolt；
The drive end bearing bracket includes front end cover housing, drive end bearing bracket inner casing and the first molding silencing cotton layer, the front end cover housing
The first molding silencing cotton layer is clamped between the drive end bearing bracket inner casing, and the drive end bearing bracket inner casing is eliminated the noise with the catalysis
The first end connection of apparatus main body；
The rear end cap includes rear end cover housing, rear end cap inner casing and the second molding silencing cotton layer, the rear end cover housing
The second molding silencing cotton layer is clamped between the rear end cap inner casing, and the rear end cap inner casing is eliminated the noise with the catalysis
The second end connection of apparatus main body.
Preferably, it is catalyzed in silencing apparatus in above-mentioned SCR, the catalysis silencing apparatus main body includes：
Housing, the housing are mounted on the side of the skeleton mounting bracket；
Catalyst carrier, the catalyst carrier are mounted in the housing；
Air inlet mixing tube, the air inlet mixing tube are mounted in the housing；
Damping connecting plate is connected with the damping connecting plate between the catalyst carrier and the air inlet mixing tube；
Exhaust pipe, mounting hole is provided on the housing, and the exhaust pipe is mounted in the mounting hole.
Preferably, it is catalyzed in silencing apparatus in above-mentioned SCR, the catalysis silencing apparatus main body further includes bracket for heat insulation cover；
The bracket for heat insulation cover is mounted in the skeleton mounting bracket, and the air inlet mixing tube is mounted on described heat-insulated
On cover stent.
Preferably, it is catalyzed in silencing apparatus in above-mentioned SCR, the catalysis silencing apparatus main body further includes front apron and rear gear
Plate；
The front apron is installed between the drive end bearing bracket inner casing and the first end of the housing；
The rear baffle is installed between the rear end cap inner casing and the second end of the housing.
Preferably, it is catalyzed in silencing apparatus in above-mentioned SCR, the front apron and the rear baffle are towards the face of the housing
It is arcwall face.
Preferably, it is catalyzed in silencing apparatus in above-mentioned SCR, the catalysis silencing apparatus main body further includes silencing baffles；
The silencing baffles are installed between the rear end cap inner casing and the rear baffle.
Preferably, it is catalyzed in silencing apparatus in above-mentioned SCR, further includes nozzle guard stent；
The nozzle guard stent is mounted on the air inlet mixing tube, and the nozzle guard stent can install nozzle,
And the nozzle is connected with the air inlet mixing tube.
Preferably, it is catalyzed in silencing apparatus in above-mentioned SCR, further includes heat-insulated backplate；
The heat-insulated backplate be mounted on the drive end bearing bracket on, and the heat-insulated backplate can separate the nozzle and it is described before
End cap.
Preferably, it is catalyzed in silencing apparatus in above-mentioned SCR, the heat-insulated backplate is arc panel.
It can be seen from the above technical scheme that SCR catalysis silencing apparatus disclosed by the invention, due to being catalyzed silencing apparatus
Main body is mounted in skeleton mounting bracket, and skeleton mounting bracket is detachably connected with vehicle to be connect by bolt, therefore,
When needing that SCR catalysis silencing apparatus is bolted skeleton mounting bracket and can be realized with vehicle to be connect, securely may be used
It leans on, the mode for avoiding support lifting carries out installing the problem of safety brought is low.In addition, in front end cover housing and drive end bearing bracket
The first molding silencing cotton layer is clamped between shell, the second molding silencing cotton is clamped between rear end cover housing and rear end cap inner casing
Layer, molding silencing cotton realize seamless noise reduction area covering, excellent noise reduction effect, and the double layer design of drive end bearing bracket and rear end cap and
The setting of molding silencing cotton layer can effectively keep housing heat.In conclusion SCR catalysis silencing apparatus provided by the invention,
Improve the heat insulating ability and installation reliability of SCR catalytic mufflers.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the configuration schematic diagram that SCR provided by the invention is catalyzed silencing apparatus；
Fig. 2 is the structure diagram that SCR provided by the invention is catalyzed silencing apparatus；
Fig. 3 is the main structure diagram for the baffle that SCR provided by the invention is catalyzed silencing apparatus；
Fig. 4 is the left view structural representation of Fig. 3；
Fig. 5 is the main structure diagram for the silencing baffles that SCR provided by the invention is catalyzed silencing apparatus；
Fig. 6 is the left view structural representation of Fig. 5；
Fig. 7 is the main structure diagram for the first molding silencing cotton that SCR provided by the invention is catalyzed silencing apparatus；
Fig. 8 is the left view structural representation of Fig. 7；
Fig. 9 is the structure diagram for the heat-insulated backplate that SCR provided by the invention is catalyzed silencing apparatus；
Figure 10 is the structure diagram for the damping connecting plate that SCR provided by the invention is catalyzed silencing apparatus；
Figure 11 is the main structure diagram for the skeleton mounting bracket that SCR provided by the invention is catalyzed silencing apparatus；
Figure 12 is the left view structural representation of Figure 11；
Figure 13 is the backsight structural representation of Figure 11.
Wherein, in Fig. 1-13：
Catalysis silencing apparatus main body 1, skeleton mounting bracket 2, front end cover housing 3, the molding of drive end bearing bracket inner casing 4, first disappear
Sound cotton layer 5, rear end cover housing 6, rear end cap inner casing 7, second are molded silencing cotton layer 8, housing 101, catalyst carrier 102, air inlet
Mixing tube 103, damping connecting plate 104, exhaust pipe 105, bracket for heat insulation cover 106, front apron 107, rear baffle 108, silencing baffles
109th, nozzle guard stent 9, heat-insulated backplate 10.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to which those skilled in the art is made to be better understood from technical scheme of the present invention
Applying mode, the present invention is described in further detail.
Embodiment one
As shown in figures 1-13, the present invention provides a kind of SCR to be catalyzed silencing apparatus.Wherein, SCR is catalyzed silencing apparatus and includes
Drive end bearing bracket, rear end cap, catalysis silencing apparatus main body 1 and skeleton mounting bracket 2.
The both ends of catalysis silencing apparatus main body 1 are installed by drive end bearing bracket and rear end cap respectively.
It is catalyzed the side that skeleton mounting bracket 2 is mounted in silencing apparatus main body 1, and skeleton mounting bracket 2 and the company for the treatment of
Vehicle is connect to be detachably connected by bolt.It is complete by eight pre-embedded bolts and vehicle with skeleton mounting bracket 2 in the present embodiment
Into for installation, using being detachably connected for skeleton mounting bracket 2 and vehicle, mounting means is than traditional support lifting mode
Mechanical Reliability higher, installation is more compact, and shape is more attractive.
Drive end bearing bracket includes front end cover housing 3, drive end bearing bracket inner casing 4 and first is molded silencing cotton layer 5, and front end cover housing 3 is with before
The first molding silencing cotton layer 5, and drive end bearing bracket inner casing 4 and the first end of catalysis silencing apparatus main body 1 are clamped between end cap inner casing 4
Connection.
Rear end cap includes rear end cover housing 6, rear end cap inner casing 7 and second is molded silencing cotton layer 8, and rear end cover housing 6 is with after
The second molding silencing cotton layer 8, and rear end cap inner casing 7 and the second end of catalysis silencing apparatus main body 1 are clamped between end cap inner casing 7
Connection.
Second molding silencing cotton of the first molding silencing cotton and rear end cap in drive end bearing bracket, with traditional fibre shape silencing cotton phase
Than that can realize seamless noise reduction area covering, noise reduction is remarkable.
SCR disclosed by the invention is catalyzed silencing apparatus, due to being mounted in skeleton mounting bracket in catalysis silencing apparatus main body 1
In 2, skeleton mounting bracket 2 is detachably connected with vehicle to be connect by bolt, therefore, is filled when needing to eliminate the noise SCR catalysis
It puts and skeleton mounting bracket 2 is bolted can be realized with vehicle to be connect, it is solid and reliable, avoid the side of support lifting
Formula carries out installing the problem of safety brought is low.In addition, it is clamped with the first one-tenth between front end cover housing 3 and drive end bearing bracket inner casing 4
Type silencing cotton layer 5, is clamped with the second molding silencing cotton layer 8 between rear end cover housing 6 and rear end cap inner casing 7, molding silencing cotton is real
Show seamless noise reduction area covering, excellent noise reduction effect, and the double layer design of drive end bearing bracket and rear end cap and be molded silencing cotton layer
Setting can effectively keep 101 heat of housing.To sum up, SCR catalysis silencing apparatus provided by the invention improves SCR catalysis and disappears
The heat insulating ability and installation reliability of sound device.
Embodiment two
In second embodiment provided by the invention, in the SCR catalysis silencing apparatus and embodiment one in the present embodiment
The structure of SCR catalysis silencing apparatus is similar, and something in common is just repeated no more, only introduces difference.
In the present embodiment, specifically disclose catalysis silencing apparatus main body 1 include housing 101, catalyst carrier 102, into
Gas mixing tube 103, damping connecting plate 104 and exhaust pipe 105.
Housing 101 is mounted on the side of skeleton mounting bracket 2, and catalyst carrier 102 is mounted in housing 101, air inlet
Mixing tube 103 is mounted in housing 101.Damping connecting plate 104 is connected between catalyst carrier 102 and air inlet mixing tube 103,
The design of damping connecting plate 104 can improve the first-order modal of housing 101, reduce SCR catalysis silencing apparatus and be total to vehicle vehicle frame
The probability to shake.Mounting hole is provided on housing 101, exhaust pipe 105 is mounted in mounting hole.
Further, the invention discloses catalysis silencing apparatus main bodys 1 to further include bracket for heat insulation cover 106, bracket for heat insulation cover
106 are mounted in skeleton mounting bracket 2, and air inlet mixing tube 103 is mounted on bracket for heat insulation cover 106, bracket for heat insulation cover 106
Setting avoids air inlet mixing tube 103 and is in direct contact skeleton mounting bracket 2, and caused air inlet mixing tube 103 is contacted with vehicle
By baking of overall wire sheaves.
Further, the invention discloses catalysis silencing apparatus main bodys 1 to further include front apron 107 and rear baffle 108, front
Plate 107 is installed between the first end of drive end bearing bracket inner casing 4 and housing 101, and rear baffle 108 is installed in rear end cap inner casing 7 and housing
Between 101 second end.Further, the face the invention discloses front apron 107 and rear baffle 108 towards housing 101 is equal
For arcwall face, internal stress can effectively be disperseed.
Further, the invention discloses catalysis silencing apparatus main bodys 1 to further include silencing baffles 109, and silencing baffles 109 press from both sides
Between rear end cap inner casing 7 and rear baffle 108, except noise reduction of making an uproar.
Further, the invention discloses SCR catalysis silencing apparatus to further include nozzle guard stent 9, nozzle guard stent 9
On air inlet mixing tube 103, nozzle guard stent 9 can install nozzle, and nozzle is connected with air inlet mixing tube 103, spray
Mouth protective cradle 9 is used to protect nozzle.
Further, the invention discloses SCR catalysis silencing apparatus to further include heat-insulated backplate 10, and heat-insulated backplate 10 is mounted on
On drive end bearing bracket, and heat-insulated backplate 10 can separate nozzle and drive end bearing bracket.Heat-insulated backplate 10 can carry out the heat at air inlet
Effective shielding, avoids baking of overall wire sheaves.
It is arc panel the invention discloses heat-insulated backplate 10 to be bonded drive end bearing bracket.
The invention has the advantages that：
(1) design of the double-deck end cap of drive end bearing bracket and rear end cap and the design of molding silencing cotton can effectively keep babinet hot
Amount, post processing heat utilization efficiency is high, can improve exhaust gas transfer efficiency；
(2) design of silencing baffles 109 and molding silencing cotton makes SCR device have seamless noise dampening efficiency, has higher
Insertion loss effectively reduces vehicle noise；
(3) multi-level Aseismatic Design effectively avoids the generation of resonance problem, improves service life；
(4) application of double-layer structure and heat-insulated backplate 10 effectively avoids overall wire sheaves and personnel from scalding problem；
(5) mounting means of skeleton mounting bracket 2 is compact-sized, good appearance, and reliability is high.
In the description of the present invention, it is to be understood that the orientation or position of the instructions such as term "front", "rear", " on ", " under "
Put relationship be based on orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplify description rather than
Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot
It is interpreted as limitation of the present invention.
" first " in the present invention, " second " etc. are to be distinguished in description, without others particular meanings.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and inventive features phase
Consistent most wide range.
Claims (9)
1. a kind of SCR is catalyzed silencing apparatus, including drive end bearing bracket, rear end cap and catalysis silencing apparatus main body (1), the catalysis is eliminated the noise
The both ends of apparatus main body (1) are installed by the drive end bearing bracket and the rear end cap respectively, which is characterized in that further include skeleton installation branch
Frame (2)；
The catalysis silencing apparatus main body (1) is mounted on the side of the skeleton mounting bracket (2), and the skeleton installation
Stent (2) is detachably connected with vehicle to be connect by bolt；
The drive end bearing bracket includes front end cover housing (3), drive end bearing bracket inner casing (4) and the first molding silencing cotton layer (5), the drive end bearing bracket
The first molding silencing cotton layer (5), and the drive end bearing bracket inner casing are clamped between shell (3) and the drive end bearing bracket inner casing (4)
(4) first end with the catalysis silencing apparatus main body (1) is connect；
The rear end cap includes rear end cover housing (6), rear end cap inner casing (7) and the second molding silencing cotton layer (8), the rear end cap
The second molding silencing cotton layer (8), and the rear end cap inner casing are clamped between shell (6) and the rear end cap inner casing (7)
(7) second end with the catalysis silencing apparatus main body (1) is connect.
2. SCR according to claim 1 is catalyzed silencing apparatus, which is characterized in that the catalysis silencing apparatus main body (1) is wrapped
It includes：
Housing (101), the housing (101) is mounted on the side of the skeleton mounting bracket (2)；
Catalyst carrier (102), the catalyst carrier (102) is in the housing (101)；
Air inlet mixing tube (103), the air inlet mixing tube (103) is in the housing (101)；
Damping connecting plate (104) is connected with described subtract between the catalyst carrier (102) and the air inlet mixing tube (103)
Shake connecting plate (104)；
Exhaust pipe (105) is provided with mounting hole on the housing (101), and the exhaust pipe (105) is in the mounting hole.
3. SCR according to claim 2 is catalyzed silencing apparatus, which is characterized in that the catalysis silencing apparatus main body (1) is also
Including bracket for heat insulation cover (106)；
The bracket for heat insulation cover (106) is on the skeleton mounting bracket (2), air inlet mixing tube (103) installation
On the bracket for heat insulation cover (106).
4. SCR according to claim 3 is catalyzed silencing apparatus, which is characterized in that the catalysis silencing apparatus main body (1) is also
Including front apron (107) and rear baffle (108)；
The front apron (107) is installed between the first end of the drive end bearing bracket inner casing (4) and the housing (101)；
The rear baffle (108) is installed between the second end of the rear end cap inner casing (7) and the housing (101).
5. SCR according to claim 4 is catalyzed silencing apparatus, which is characterized in that the front apron (107) and the rear gear
The face of plate (108) towards the housing (101) is arcwall face.
6. SCR according to claim 5 is catalyzed silencing apparatus, which is characterized in that the catalysis silencing apparatus main body (1) is also
Including silencing baffles (109)；
The silencing baffles (109) are installed between the rear end cap inner casing (7) and the rear baffle (108).
7. the SCR catalysis silencing apparatus according to any one in claim 2-6, which is characterized in that further include nozzle guarantor
Protect stent (9)；
On the air inlet mixing tube (103), the nozzle guard stent (9) can pacify the nozzle guard stent (9)
Nozzle is filled, and the nozzle is connected with the air inlet mixing tube (103).
8. SCR according to claim 7 is catalyzed silencing apparatus, which is characterized in that further includes heat-insulated backplate (10)；
The heat-insulated backplate (10) is on the drive end bearing bracket, and the heat-insulated backplate (10) can separate the nozzle and institute
State drive end bearing bracket.
9. SCR according to claim 8 is catalyzed silencing apparatus, which is characterized in that the heat-insulated backplate (10) is arc panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223494.8A CN108252775A (en) | 2018-03-19 | 2018-03-19 | A kind of SCR is catalyzed silencing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223494.8A CN108252775A (en) | 2018-03-19 | 2018-03-19 | A kind of SCR is catalyzed silencing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN108252775A true CN108252775A (en) | 2018-07-06 |
Family
ID=62747162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810223494.8A Pending CN108252775A (en) | 2018-03-19 | 2018-03-19 | A kind of SCR is catalyzed silencing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339926A (en) * | 2018-09-30 | 2019-02-15 | 潍柴动力股份有限公司 | A kind of end-cap assembly and after-treatment system |
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