CN201330636Y - Integrated scr muffler - Google Patents
Integrated scr muffler Download PDFInfo
- Publication number
- CN201330636Y CN201330636Y CNU2008200729401U CN200820072940U CN201330636Y CN 201330636 Y CN201330636 Y CN 201330636Y CN U2008200729401 U CNU2008200729401 U CN U2008200729401U CN 200820072940 U CN200820072940 U CN 200820072940U CN 201330636 Y CN201330636 Y CN 201330636Y
- Authority
- CN
- China
- Prior art keywords
- assembly
- baffle plate
- dividing plate
- chamber
- scr
- 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.)
- Expired - Lifetime
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- Exhaust Silencers (AREA)
Abstract
An integrated SCR muffler comprises a main supporting rod, a casing, a front end cap, a rear end cap, two acoustic boards, two baffle plates, two heat-insulating baffle plates, a cover plate, an inlet pipe, an exhaust pipe and a tail pipe, wherein the inlet pipe and the tail pipe of the muffler are installed on the casing; one heat-insulating baffle plate, one baffle plate and the exhaust pipe are installed together to form an assembly; and the heat-insulating baffle plate of the assembly is wrapped by a heat-insulating material. An SCR muffler assembly is formed by the following technical scheme: the assembly is pressed into the casing; the baffle plate of the assembly is fixedly installed with the casing; the tail pipe is inserted and installed with the heat-insulating baffle plate of the assembly and the casing; the cover plate is installed with the heat-insulating baffle plate of the assembly; the main supporting rod is inserted and installed with the two heat-insulating baffle plates; the two acoustic boards are installed with the front and the rear end caps; and the front and the rear end caps are buckled with the casing. The SCR muffler is characterized in that SCR packaging assemblies are further included, wherein the SCR packaging assemblies are installed together in the inner layer of the casing under the support of the two baffle plates; and a first cavity, a second cavity and a third cavity are formed in the muffler. The utility model has the advantages of good noise reducing effect and high NOX conversion efficiency.
Description
Technical field
The utility model belongs to the technical field of automotive muffler, particularly a kind of integrated SCR silencing apparatus.
Background technique
At present, SCR (selective catalytic reduction) reprocessing route accounts for leading position in the reprocessing measure of European commercial car realization Europe IV, Europe V.The state IV Abgasgesetz of domestic automobile is about to carry out, and domestic each big car load and complete system plant also all mainly adopt the reprocessing route of SCR at present.
Summary of the invention
The utility model purpose provides a kind of integrated SCR silencing apparatus.
The technical solution of the utility model is achieved in that
Integrated SCR silencing apparatus, it comprises main support rod, shell, front cover, rear end cover, acoustic board, acoustic board, dividing plate and dividing plate, thermal-insulation baffle plate and thermal-insulation baffle plate, cover plate, suction tude, outlet pipe and tailpipe are formed, the silencing apparatus suction tude, tailpipe is contained on the shell, thermal-insulation baffle plate, dividing plate, outlet pipe is installed together the formation assembly, outside thermal-insulation baffle plate, twine thermal insulating material, this assembly is pressed in the shell, then with in dividing plate and the shell fixed installation, insert tailpipe, be installed together with thermal-insulation baffle plate and shell, the cover plate of packing into, be installed together with thermal-insulation baffle plate, insert main support rod and dividing plate, dividing plate is installed together, pack into acoustic board and rear end cover, front cover is with rear end cover, front cover and shell snap fastener form integrated SCR muffler assembly, it is characterized by: it also comprises SCR encapsulation assembly, SCR encapsulation assembly is installed in the nexine of shell, be installed together by dividing plate and membrane support, constitute the I chamber, II chamber, II chamber and III chamber.
The utlity model has excellent noise reduction effect, NO
XThe characteristics that transformation efficiency is high.
Description of drawings
Fig. 1 is an internal structure schematic representation of the present utility model;
Fig. 2 is the utility model internal structure schematic representation.
Fig. 3 is the utility model internal structure detail drawing.
Specific embodiments
Describe specific embodiments of the present utility model in detail below in conjunction with accompanying drawing.
Integrated SCR silencing apparatus, it comprises main support rod 1, shell 4, front cover 14, rear end cover 2, acoustic board 3-1, acoustic board 3-2, dividing plate 5 and dividing plate 11, thermal-insulation baffle plate 6 and thermal-insulation baffle plate 12, cover plate 13, suction tude 7, outlet pipe 9 and tailpipe 10 are formed, the silencing apparatus suction tude, tailpipe 10 is contained on the shell 4, thermal-insulation baffle plate 6, dividing plate 5, outlet pipe 9 is installed together the formation assembly, outside thermal-insulation baffle plate 6, twine thermal insulating material, this assembly is pressed in the shell 4, then dividing plate 5 and shell 4 are fixedly installed togather, insert tailpipe 10, be installed together with thermal-insulation baffle plate 6 and shell 4, put into cover plate 13, be installed together with thermal-insulation baffle plate 6, insert main support rod 1 and dividing plate 5, dividing plate 11 is installed together, acoustic board 3-1 packs into, acoustic board 3-2 and rear end cover 2, after front cover 14 is installed together, with rear end cover 2, front cover 14 forms integrated SCR muffler assembly with shell 4 snap fasteners, it is characterized by: it also comprises SCR encapsulation assembly 8, SCR encapsulation assembly 8 is installed in the nexine of shell 4, be installed together by dividing plate 5 and dividing plate 11 supports, constitute the I chamber, II chamber, II chamber and III chamber.
As Fig. 1, Fig. 2 and shown in Figure 3, when engine operation, motor exhaust enters the I chamber by the silencing apparatus suction tude, the I chamber is made of dividing plate 5, dividing plate 11, thermal-insulation baffle plate 6 and SCR encapsulation assembly 8, and SCR encapsulation assembly 8 is carried out preheating, enters the II chamber by the hole on the dividing plate 11, the II chamber is made of dividing plate 11, thermal-insulation baffle plate 12, acoustic board 3-1, acoustic board 3-2 and SCR encapsulation assembly 8, urea atomizing back in the exhaust evenly arrives the catalyzer end face, when flowing through carrier, and NO under the effect of catalyzer
XWith NH
3React, generate N
2And H
2O enters the III chamber, and the III chamber is made of dividing plate 5, acoustic board 3, shell 4 and SCR encapsulation assembly 8, by outlet pipe 9 and tailpipe 10, leads to atmosphere then.
Claims (2)
1, integrated SCR silencing apparatus, it comprises main support rod (1), shell (4), front cover (14), rear end cover (2), acoustic board (3-1), acoustic board (3-2), dividing plate (5) and dividing plate (11), thermal-insulation baffle plate (6) and thermal-insulation baffle plate (12), cover plate (13), suction tude (7), outlet pipe (9) and tailpipe (10) are formed, the silencing apparatus suction tude, tailpipe (10) is contained on the shell (4), thermal-insulation baffle plate (6), dividing plate (5), outlet pipe (9) is installed together the formation assembly, outside thermal-insulation baffle plate (6), twine thermal insulating material, this assembly is pressed in the shell (4), then dividing plate (5) and shell (4) are fixedly installed togather, insert tailpipe (10), be installed together with thermal-insulation baffle plate (6) and shell (4), put into cover plate (13), be installed together with thermal-insulation baffle plate (6), insert main support rod (1) and dividing plate (5), dividing plate (11) is installed together, the acoustic board (3-1) of packing into, acoustic board (3-2) and rear end cover (2), after front cover (14) is installed together, with rear end cover (2), front cover (14) forms integrated SCR muffler assembly with shell (4) snap fastener, it is characterized by: it also comprises SCR encapsulation assembly (8), SCR encapsulation assembly (8) is installed in the nexine of shell (4), be installed together by dividing plate (5) and dividing plate (11) support, constitute the I chamber, II chamber, II chamber and III chamber.
2, according to claim 1, it is characterized by: described I chamber, II chamber, II chamber and III chamber are respectively: the I chamber is made of dividing plate (5), dividing plate (11), thermal-insulation baffle plate (6) and SCR encapsulation assembly (8), the II chamber is made of dividing plate (11), thermal-insulation baffle plate (12), acoustic board (3-1), acoustic board (3-2) and SCR encapsulation assembly (8), and the III chamber is made of dividing plate (5), acoustic board (3), shell (4) and SCR encapsulation assembly (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200729401U CN201330636Y (en) | 2008-12-19 | 2008-12-19 | Integrated scr muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200729401U CN201330636Y (en) | 2008-12-19 | 2008-12-19 | Integrated scr muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201330636Y true CN201330636Y (en) | 2009-10-21 |
Family
ID=41224014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200729401U Expired - Lifetime CN201330636Y (en) | 2008-12-19 | 2008-12-19 | Integrated scr muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201330636Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089378A (en) * | 2013-01-30 | 2013-05-08 | 吉林省众鑫汽车装备有限公司 | Motor vehicle exhaust processing device |
| CN103133088A (en) * | 2013-03-20 | 2013-06-05 | 中国第一汽车股份有限公司 | Square postprocessor assembly |
| CN107532499A (en) * | 2015-04-20 | 2018-01-02 | 佛吉亚排气系统有限公司 | Muffler with main casing and partial shell and the method for manufacturing the muffler |
| CN108019258A (en) * | 2016-11-04 | 2018-05-11 | 天纳克（苏州）排放系统有限公司 | Box-type tail-gas after treatment apparatus |
| CN108252775A (en) * | 2018-03-19 | 2018-07-06 | 潍柴动力股份有限公司 | A kind of SCR is catalyzed silencing apparatus |
-
2008
- 2008-12-19 CN CNU2008200729401U patent/CN201330636Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089378A (en) * | 2013-01-30 | 2013-05-08 | 吉林省众鑫汽车装备有限公司 | Motor vehicle exhaust processing device |
| CN103089378B (en) * | 2013-01-30 | 2015-04-29 | 吉林省众鑫汽车装备有限公司 | Motor vehicle exhaust processing device |
| CN103133088A (en) * | 2013-03-20 | 2013-06-05 | 中国第一汽车股份有限公司 | Square postprocessor assembly |
| CN103133088B (en) * | 2013-03-20 | 2014-10-22 | 中国第一汽车股份有限公司 | Square postprocessor assembly |
| CN107532499A (en) * | 2015-04-20 | 2018-01-02 | 佛吉亚排气系统有限公司 | Muffler with main casing and partial shell and the method for manufacturing the muffler |
| CN107532499B (en) * | 2015-04-20 | 2019-12-13 | 佛吉亚排气系统有限公司 | Muffler having a main housing and a partial housing and method for producing the muffler |
| CN108019258A (en) * | 2016-11-04 | 2018-05-11 | 天纳克（苏州）排放系统有限公司 | Box-type tail-gas after treatment apparatus |
| CN108252775A (en) * | 2018-03-19 | 2018-07-06 | 潍柴动力股份有限公司 | A kind of SCR is catalyzed silencing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA FIRST AUTOMOBILE WORKS GROUP CORPORATION Free format text: FORMER OWNER: CHINESE AUTO GROUP CO NO.1 Effective date: 20120110 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120110 Address after: 130011 No. 2259 Dongfeng Avenue, West New Economic and Technological Development Zone, Changchun Patentee after: China FAW Group Corporation Address before: 130011 Dongfeng Street, Jilin, Changchun, No. 2259 Patentee before: China FAW Group Corporation |
|
| CX01 | Expiry of patent term |
Granted publication date: 20091021 |
|
| CX01 | Expiry of patent term |