CN203655393U - Structure assembly of SCR silencer for motor vehicle - Google Patents
Structure assembly of SCR silencer for motor vehicle Download PDFInfo
- Publication number
- CN203655393U CN203655393U CN201320872635.1U CN201320872635U CN203655393U CN 203655393 U CN203655393 U CN 203655393U CN 201320872635 U CN201320872635 U CN 201320872635U CN 203655393 U CN203655393 U CN 203655393U
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- Prior art keywords
- end cap
- dividing plate
- scr
- housing
- air chamber
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- 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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- 230000003584 silencer Effects 0.000 title abstract 2
- 230000030279 gene silencing Effects 0.000 claims description 22
- 230000007797 corrosion Effects 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 8
- 239000000969 carrier Substances 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 10
- 239000000919 ceramic Substances 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 229910052902 vermiculite Inorganic materials 0.000 description 3
- 235000019354 vermiculite Nutrition 0.000 description 3
- 239000010455 vermiculite Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
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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
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- Exhaust Silencers (AREA)
Abstract
The utility model relates to a structure assembly of an SCR silencer for a motor vehicle. The structure assembly comprises a housing body, an inner subassembly, an end cover I, an end cover II, an air inlet elbow and an air outlet elbow, wherein the end cover I and the end cover II are welded to two ends of the housing body; the inner subassembly comprises an SCR converter, a resonance pipe, a separation plate I and a separation II, wherein the separation plate I and the separation plate II are welded to the inner wall of the housing body; the separation plate I, the separation plate II, the end cover I and the end cover II separate the housing body into a first air chamber, a second air chamber and a third air chamber; two ends of the SCR converter are respectively welded to the separation plate I and the separation plate II, and are respectively communicated with the first air chamber and the third air chamber; one end of the resonance pipe is welded to the separation plate I and the other end is welded to the separation plate II; an air vent is arranged in the resonance pipe; the air inlet elbow enters the third air chamber via an air inlet pipe mouth in the front end face of the housing body and is communicated with the resonance pipe; and the air outlet elbow is communicated with the third air chamber via an air outlet elbow pipe mouth in the end cover II. The structure assembly is compact in structure and is capable of satisfying the national four stage emission regulations for diesel engines.
Description
Technical field
The utility model relates to Motor Vehicle attachment technique field, and concrete is a kind of structural assembly of automobile-use SCR silencing apparatus.
Background technique
At present, be accompanied by the fast development of Motor Vehicle, produce serious pollution of atmosphere, and there is the feature of region composite type, many metropolitan pollution of atmosphere turn to coal smoke and motor-vehicle tail-gas to meet pollution by coal-smoke pollution, and minority megalopolis has obviously shown the pollution of atmosphere of motor-vehicle tail-gas type.In order to improve the utilization ratio of fuel oil, reduce the content of pollutant in motor-vehicle tail-gas, reduce the destruction of vehicle exhaust to environment, country is about to implement state's IV Abgasgesetz, of crucial importance to the research of automotive emission pollution control technology, in order to reach state IV emission standard, just must use emission aftertreatment technology, the catalytic muffler of domestic design is shorter at present, and the cost of the catalytic muffler of use is high, installs inconvenient.The existing deficiency of prior art that Here it is.
Model utility content
Technical problem to be solved in the utility model, is exactly for the existing deficiency of prior art, and a kind of structural assembly of automobile-use SCR silencing apparatus is provided, meet diesel engine state IV Abgasgesetz defined exhaust emissions requirement.
This programme is achieved by the following technical measures: a kind of structural assembly of automobile-use SCR silencing apparatus, it comprises housing, inner assembly, the end cap I of mating with housing and end cap II, intake elbow and the bend pipe of giving vent to anger, described end cap I and end cap II are welded with housing two ends respectively, described inner assembly is positioned at housing, described inner assembly comprises dividing plate I, dividing plate II, SCR converter and resonantron, described dividing plate I is parallel with end cap I with dividing plate II, and weld with inner walls respectively, described dividing plate I, dividing plate II, housing is divided into the first air chamber by end cap I and end cap II, the second air chamber and the 3rd air chamber, in described dividing plate I, be provided with multiple vents, weld with dividing plate I and dividing plate II respectively at described SCR converter two ends, and be communicated with the first air chamber and the 3rd air chamber respectively, described resonantron one end and the welding of dividing plate I, the other end and the welding of dividing plate II, on described resonantron, be provided with multiple air holes, described intake elbow is entered the 3rd air chamber and is communicated with resonantron by the air inlet mouth of pipe on housing front-end face, the described bend pipe of giving vent to anger is communicated with the 3rd air chamber by the bend pipe mouth of giving vent to anger of end cap II, described housing is long is 634mm, wide is 390cm, height is 640mm.
Above-mentioned SCR converter comprises two carriers, liner and SCR converter cylindrical shell, and described liner, between carrier and SCR converter cylindrical shell, leaves gap between described two carriers, and described SCR converter cylindrical shell two ends are provided with reducing.
The air inlet mouth of pipe of above-mentioned housing front-end face is provided with flange.
Above-mentioned housing is by 06Cr19Ni10(SUS304) housing made of corrosion resistant plate.
Above-mentioned SCR converter cylindrical shell is by 06Cr19Ni10(SUS304) the SCR converter cylindrical shell made of corrosion resistant plate.
Above-mentioned end cap I and end cap II cross section are that rectangle structure and four jiaos are arc transition, are symmetrically arranged with four supports in described end cap I.
On above-mentioned intake elbow and the bend pipe of giving vent to anger, be welded with flange.
In above-mentioned end cap I, be provided with stiffening rib I, described four supports are between stiffening rib I and end cap I edge.
In above-mentioned end cap II, be provided with stiffening rib II.
The beneficial effects of the utility model can be learnt from above-mentioned technological scheme: a kind of structural assembly of automobile-use SCR silencing apparatus, and its compact structure, can meet diesel engine state IV emission regulation demands; Carrier in SCR converter coordinates installation with SCR converter cylindrical shell by liner, guarantees its required precision, and SCR converter cylindrical shell is imported and exported two ends and carried out reducing, can avoid the play of carrier; The enterprising gas port of housing front-end face place is provided with flange, makes housing front-end face local strengthening, the distortion that can avoid welding to cause, and effectively prevent the weld cracking phenomenon causing because of vibrations; Housing and SCR converter cylindrical shell are by 06Cr19Ni10(SUS304) corrosion resistant plate makes, and can well solve the etching problem of urea to housing and SCR converter cylindrical shell, and housing and SCR converter cylindrical shell are without carrying out surface treatment.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and the beneficial effect of its enforcement is also apparent.
Accompanying drawing explanation
Fig. 1 is that master of the present utility model looks perspective structure schematic diagram;
Fig. 2 is top perspective structural representation of the present utility model;
Fig. 3 is left TV structure schematic diagram of the present utility model;
Fig. 4 is right TV structure schematic diagram of the present utility model;
Fig. 5 is the structural representation of SCR converter in the utility model.
In figure: 1-housing, 2-end cap I, 3-end cap II, 4-intake elbow, the 5-bend pipe of giving vent to anger, 6-SCR converter, 6.1-carrier, 6.2-liner, 6.3-SCR converter cylindrical shell, 7-dividing plate I, 8-dividing plate II, 9-resonantron, 9.1-air hole, 10-the first air chamber, 11-the second air chamber, 12-the 3rd air chamber, 13-support, 14-flange, 15 stiffening rib I, 16-stiffening rib II, 17-silencing apparatus nameplate.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
As Figure 1-4, a kind of structural assembly of automobile-use SCR silencing apparatus, a kind of structural assembly of automobile-use SCR silencing apparatus, it comprises housing 1, inner assembly, the end cap I 2 of mating with housing and end cap II 3, intake elbow 4 and the bend pipe 5 of giving vent to anger, described end cap I 2 and end cap II 3 are welded with housing 1 two ends respectively, described inner assembly is positioned at housing 1, described inner assembly comprises SCR converter 6, dividing plate I 7, dividing plate II 8 and resonantron 9, described dividing plate I 7 is parallel with end cap I 2 with dividing plate II 8, and respectively with housing 1 inwall welding, described dividing plate I 7, dividing plate II 8, housing 1 is divided into the first air chamber 10 by end cap I 2 and end cap II 3, the second air chamber 11 and the 3rd air chamber 12, in described dividing plate I 7, be provided with multiple vents, weld with dividing plate I 7 and dividing plate II 8 respectively at described SCR converter 6 two ends, and be communicated with the first air chamber 10 and the 3rd air chamber 12 respectively, described resonantron 9 one end and dividing plate I 7 are welded, the other end and dividing plate II 8 are welded, on described resonantron 9, be provided with multiple air holes 9.1, described intake elbow 4 enters the 3rd air chamber 12 by the air inlet mouth of pipe on housing 1 front-end face and is communicated with resonantron 9, the described bend pipe 5 of giving vent to anger is communicated with the 3rd air chamber 12 by the bend pipe mouth of giving vent to anger of end cap II 3, described housing 1 length is 631～637mm, wide is 387～393cm, height is 637～643mm, in the present embodiment, described housing 1 is long is 634mm, wide is 390cm, height is 640mm.
The air inlet mouth of pipe of above-mentioned housing 1 front-end face is provided with flange, and in the present embodiment, flange height is 15cm, and flange can improve the intensity of the mouth of pipe, effectively prevents the cracking that mouth of pipe place causes because of long-term vibration.
Above-mentioned housing 1 is by 06Cr19Ni10(SUS304) housing 1 that corrosion resistant plate is made, can well solve the etching problem of urea to cylindrical shell 1, and cylindrical shell 1 is without carrying out surface treatment.Housing 1 by 06Cr19Ni10 (SUS304) corrosion resistant plate through rolling, welding, shaping, piercing and flanging operation be made after processing.
Above-mentioned end cap I 2 and end cap II 3 cross sections are that rectangle structure and four jiaos are arc transition, are symmetrically arranged with four supports 13 in described end cap I 2, and described four supports 13 are for the installation of thermal baffle, and its 13 chord position is put with the mounting point of thermal baffle and mated.
On above-mentioned intake elbow 4 and the bend pipe 5 of giving vent to anger, be welded with flange 14.
In above-mentioned end cap I 2, be provided with stiffening rib I 15, described four supports 13 are between stiffening rib I 15 and end cap I 2 edges.
In above-mentioned end cap II 3, be provided with stiffening rib II 16.
Described cylindrical shell upper surface is provided with silencing apparatus nameplate 17, beats production code member, authentication code, serial number and the Quick Response Code of carving this silencing apparatus on silencing apparatus nameplate 17, guarantees the trackability of product.
As shown in Figure 5, above-mentioned SCR converter 6 comprises two carriers 6.1, liner 6.2 and SCR converter cylindrical shell 6.3, described liner 6.2, between carrier 6.1 and SCR converter cylindrical shell 6.3, leaves gap between described two carriers 6.1, and described SCR converter cylindrical shell 6.1 two ends are provided with reducing.Described carrier 6.1 is ceramic monolith, liner is vermiculite liner, and the ceramic monolith that wraps vermiculite liner is pressed into converter housing 6.3, and vermiculite liner relies on frictional force that ceramic monolith is fixed, then SCR converter cylindrical shell 6.3 is carried out to reducing, effectively prevent the play of ceramic monolith.Described SCR converter cylindrical shell 6.3 is by 06Cr19Ni10(SUS304) corrosion resistant plate makes.Can well solve the etching problem of urea to SCR converter cylindrical shell 6.3, and SCR converter cylindrical shell 6.3 is without carrying out surface treatment.
The course of working of the structural assembly of this automobile-use SCR silencing apparatus is as follows: housing 1 by 06Cr19Ni10 (SUS304) corrosion resistant plate through rolling, welding, shaping, piercing and flanging operation be made after processing, then dividing plate I 7, SCR converter assembly 6, resonantron 9, dividing plate II 8 are welded together, as an inner assembly assembly, this modular assembly guarantees its dimensional accuracy by mould.This inner assembly assembly is press fit in housing 1, welds with housing 1.Then assemble and weld intake elbow 4, then encapsulate and weld end cap I 2 and end cap II 3, finally assembling welded flange 14, the bend pipe 5 of giving vent to anger, support 13 and silencing apparatus nameplate 17.
The working principle of this automobile-use SCR silencing apparatus is as follows: vehicle exhaust enters resonantron 9 from intake elbow 4, then the air hole 9.1 from resonantron 9 enters in the second air chamber, vehicle exhaust enters the first air chamber 10 through the vent in dividing plate I 7, then enter the 3rd air chamber 12 through SCR converter 6, discharge from the bend pipe 5 of giving vent to anger through SCR converter 6 vehicle exhausts after treatment.
In the utility model, can pass through or adopt existing techniques in realizing without the technical characteristics of describing; do not repeat them here; certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned mode of execution; variation, remodeling, interpolation or replacement that those of ordinary skill in the art makes in essential scope of the present utility model, also should belong to protection domain of the present utility model.
Claims (9)
1. the structural assembly of an automobile-use SCR silencing apparatus, it is characterized in that: it comprises housing, inner assembly, the end cap I of mating with housing and end cap II, intake elbow and the bend pipe of giving vent to anger, described end cap I and end cap II are welded with housing two ends respectively, described inner assembly is positioned at housing, described inner assembly comprises dividing plate I, dividing plate II, SCR converter and resonantron, described dividing plate I is parallel with end cap I with dividing plate II, and weld with inner walls respectively, described dividing plate I, dividing plate II, housing is divided into the first air chamber by end cap I and end cap II, the second air chamber and the 3rd air chamber, in described dividing plate I, be provided with multiple vents, weld with dividing plate I and dividing plate II respectively at described SCR converter two ends, and be communicated with the first air chamber and the 3rd air chamber respectively, described resonantron one end and the welding of dividing plate I, the other end and the welding of dividing plate II, on described resonantron, be provided with multiple air holes, described intake elbow is entered the 3rd air chamber and is communicated with resonantron by the air inlet mouth of pipe on housing front-end face, the described bend pipe of giving vent to anger is communicated with the 3rd air chamber by the bend pipe mouth of giving vent to anger of end cap II, described housing length is 631～637mm, wide is 387～393cm, height is 637～643mm.
2. the structural assembly of automobile-use SCR silencing apparatus according to claim 1, it is characterized in that: described SCR converter comprises two carriers, liner and SCR converter cylindrical shell, described liner is between carrier and SCR converter cylindrical shell, between described two carriers, leave gap, described SCR converter cylindrical shell two ends are provided with reducing.
3. the structural assembly of automobile-use SCR silencing apparatus according to claim 1, is characterized in that: the air inlet mouth of pipe of described housing front-end face is provided with flange.
4. the structural assembly of automobile-use SCR silencing apparatus according to claim 1, is characterized in that: described housing is by 06Cr19Ni10(SUS304) housing made of corrosion resistant plate.
5. the structural assembly of automobile-use SCR silencing apparatus according to claim 2, is characterized in that: described SCR converter cylindrical shell is by 06Cr19Ni10(SUS304) the SCR converter cylindrical shell made of corrosion resistant plate.
6. the structural assembly of automobile-use SCR silencing apparatus according to claim 1, is characterized in that: described end cap I and end cap II cross section are that rectangle structure and four jiaos are arc transition, are symmetrically arranged with four supports in described end cap I.
7. the structural assembly of automobile-use SCR silencing apparatus according to claim 1, is characterized in that: on described intake elbow and the bend pipe of giving vent to anger, be welded with flange.
8. the structural assembly of automobile-use SCR silencing apparatus according to claim 6, is characterized in that: in described end cap I, be provided with stiffening rib I, described four supports are between stiffening rib and end cap I edge.
9. the structural assembly of automobile-use SCR silencing apparatus according to claim 1, is characterized in that: in described end cap II, be provided with stiffening rib II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320872635.1U CN203655393U (en) | 2013-12-27 | 2013-12-27 | Structure assembly of SCR silencer for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320872635.1U CN203655393U (en) | 2013-12-27 | 2013-12-27 | Structure assembly of SCR silencer for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203655393U true CN203655393U (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320872635.1U Expired - Fee Related CN203655393U (en) | 2013-12-27 | 2013-12-27 | Structure assembly of SCR silencer for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203655393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298596A (en) * | 2015-08-07 | 2016-02-03 | 安徽福马汽车零部件集团有限公司 | Tail gas aftertreatment catalytic conversion muffler |
-
2013
- 2013-12-27 CN CN201320872635.1U patent/CN203655393U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298596A (en) * | 2015-08-07 | 2016-02-03 | 安徽福马汽车零部件集团有限公司 | Tail gas aftertreatment catalytic conversion muffler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221009 Address after: No. 688, Huanghe Road, Heavy Truck, Changqing District, Jinan, Shandong 250300 (Heavy Truck Industrial Park) Patentee after: Sinotruk Jinan rubber and plastic parts Co.,Ltd. Address before: 250002, hero mountain road, Shizhong District, Shandong, Ji'nan 165 Patentee before: China National Heavy Duty Truck Group Jinan Power Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 |