CN206346811U - SCR catalysis silencer - Google Patents
SCR catalysis silencer Download PDFInfo
- Publication number
- CN206346811U CN206346811U CN201720032093.5U CN201720032093U CN206346811U CN 206346811 U CN206346811 U CN 206346811U CN 201720032093 U CN201720032093 U CN 201720032093U CN 206346811 U CN206346811 U CN 206346811U
- Authority
- CN
- China
- Prior art keywords
- housing
- air inlet
- pipe
- scr catalytic
- chamber
- 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 - Fee Related
Links
- 238000006555 catalytic reaction Methods 0.000 title description 2
- 230000003584 silencer Effects 0.000 title 1
- 230000003197 catalytic effect Effects 0.000 claims abstract description 36
- 239000003054 catalyst Substances 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims abstract description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 57
- 229920000742 Cotton Polymers 0.000 claims description 11
- 230000030279 gene silencing Effects 0.000 claims description 11
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 10
- 239000004202 carbamide Substances 0.000 claims description 10
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
Abstract
The utility model discloses a SCR catalytic muffler, which comprises a shell, an air inlet pipe and an exhaust pipe; the air inlet pipe and the exhaust pipe are respectively arranged on the left side and the right side of the shell, the shell is sequentially provided with an air inlet cavity, a catalytic cavity and an exhaust cavity from left to right, and a catalyst is arranged in the catalytic cavity; the left side of casing is provided with a swivel mount rotatory with the casing, the intake pipe install on the swivel mount and with the position of swivel mount off-centre, be provided with an outlet duct in the air inlet chamber, the one end of outlet duct is enclosed construction, and the other end is connected with the casing and communicates through swivel mount and intake pipe, the outer disc of outlet duct is provided with a plurality of ventholes that communicate with the air inlet chamber. The utility model discloses a SCR catalytic muffler, rational in infrastructure utilizes the overall arrangement.
Description
Technical field
The utility model belongs to field of vehicle equipment, and in particular to a kind of SCR catalytic mufflers.
Background technology
SCR catalytic mufflers generally comprise housing, and one end of the housing is provided with air inlet pipe, and the other end is provided with exhaust
Pipe, the housing is sequentially provided with inlet chamber, catalytic chamber and discharge chamber, and one end of the air inlet pipe is located at the hull outside and peace
Equipped with urea nozzle, the other end is located in the inlet chamber, catalyst is provided with the catalytic chamber, described blast pipe one end is located at
In the discharge chamber, the other end is located at outside the housing.But traditional SCR catalytic mufflers have some shortcomings such as (application
Number patent name for being 201420846619.X is SCR catalysis sound-attenuating systems and its SCR catalytic mufflers and Application No.
201420846619.X patent name is SCR catalytic mufflers), the shortcoming is complicated, it is necessary to consider the position of air inlet pipe
Put, be unfavorable for assembling and be laid out.
Utility model content
(1) technical problem to be solved
The technical problems to be solved in the utility model is to propose a kind of SCR catalytic mufflers rational in infrastructure.
(2) technical scheme
In order to solve the above technical problems, the technical scheme that the utility model is used is：A kind of SCR catalytic mufflers, bag
Include housing, air inlet pipe and blast pipe；The air inlet pipe and blast pipe are separately positioned on the left and right sides of housing, and the housing is from a left side
Turn right and be disposed with inlet chamber, catalytic chamber and discharge chamber, catalyst is provided with the catalytic chamber；The left side of the housing is set
There is a swivel base rotated with housing, the air inlet pipe is arranged on swivel base and eccentric with the position of swivel base, in the inlet chamber
An escape pipe is provided with, one end of the escape pipe is enclosed construction, and the other end is connected with housing and by swivel base and air inlet
Pipe is connected, and the periphery of the escape pipe is provided with multiple ventholes connected with inlet chamber.
In above-mentioned SCR catalytic mufflers, in addition to the dividing plate in inlet chamber, the escape pipe through dividing plate and with
Dividing plate is connected.
In above-mentioned SCR catalytic mufflers, the housing includes several through holes, and the inlet chamber passes through through hole and the external world
Connection.
In above-mentioned SCR catalytic mufflers, in addition to urea nozzle, the urea nozzle is in air inlet pipe.
In above-mentioned SCR catalytic mufflers, installing plate is provided with the discharge chamber of the housing, one end of the blast pipe is pacified
Dress on a mounting board, is provided with silencing cotton between the installing plate and the housing, the blast pipe passes through silencing cotton；The housing
End be provided with nitrogen oxide sensor, the nitrogen oxide sensor be connected with tubulose nitrogen oxide sensor seat, the nitrogen oxide sensor
Probe insert in nitrogen oxide sensor seat, described nitrogen oxide sensor seat one end is through silencing cotton and installed in the installing plate
On.
In above-mentioned SCR catalytic mufflers, the material of the dividing plate is metal.
(3) beneficial effect
SCR catalytic mufflers of the present utility model, the air inlet pipe can be rotated by swivel base, can be adjusted air inlet pipe and be existed
Position on housing, therefore air inlet pipe can be adjusted according to current environment when SCR catalytic mufflers are being installed
Position, makes its placement more reasonable, is especially advantageous for assembling and is laid out, additionally by venthole is set on escape pipe, improve
The discharge areas of escape pipe, therefore the conversion efficiency of nitrogen oxides is improved, effectively prevent the generation of urea crystals.
Brief description of the drawings
Fig. 1 is the structural representation of SCR catalytic mufflers of the present utility model；
Fig. 2 be Fig. 1 in A to direction view；
1 it is housing in figure, 2 be air inlet pipe, 3 be blast pipe, 4 be inlet chamber, 5 be swivel base, 6 be escape pipe, 7 is outlet
Hole, 8 be dividing plate, 9 be through hole, 10 be urea nozzle, 11 be installing plate, 12 be silencing cotton, 13 be blast pipe, 14 be nitrogen oxygen sensing
Device, 15 are nitrogen oxide sensor seat.
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
Embodiment one：A kind of SCR catalytic mufflers as depicted in figs. 1 and 2, including housing 1, air inlet pipe 2, blast pipe 3
With the dividing plate 8 of metal material；The air inlet pipe 2 and blast pipe 3 are separately positioned on the left and right sides of housing 1, and the housing 1 is from a left side
Turn right and be disposed with inlet chamber 4, catalytic chamber and discharge chamber, catalyst is provided with the catalytic chamber；The dividing plate 8 is located at air inlet
In chamber 4, the escape pipe is connected through dividing plate 8 and with dividing plate 8.The left side of the housing 1 is provided with one and the rotation of housing 1
Swivel base 5, the air inlet pipe 2 is arranged on swivel base 5 and eccentric with the position of swivel base 5, and an outlet is provided with the inlet chamber 4
Pipe 6, one end of the escape pipe 6 is enclosed construction, and the other end is connected with housing 1 and connected by swivel base 5 with air inlet pipe 2, institute
The periphery for stating escape pipe is provided with multiple ventholes 7 connected with inlet chamber 4, described when assembling, can be according to existing
The environment of field adjusts the position of air inlet pipe, makes its placement more reasonable, is especially advantageous for assembling and is laid out, additionally by escape pipe
Upper setting venthole, improves the discharge areas of escape pipe, therefore improves the conversion efficiency of nitrogen oxides, effectively prevents
The generation of urea crystals.
The housing 1 includes several through holes 9, and the inlet chamber 4 is in communication with the outside by through hole 9, so as to realize
Air circulation.
Embodiment two：On the basis of embodiment one, in addition to urea nozzle 10, the urea nozzle 10 is installed in air inlet
On pipe 6.
Embodiment three：On the basis of embodiment one, installing plate 11, the exhaust are provided with the discharge chamber of the housing 2
One end of pipe 3 is arranged on installing plate 11, and silencing cotton 12, the blast pipe 3 are provided between the installing plate 11 and the housing 2
Through silencing cotton 12；The end of the housing 1 is provided with nitrogen oxide sensor 14, and the nitrogen oxide sensor is connected with the nitrogen oxygen of tubulose
Sensor holder 15, the probe of the nitrogen oxide sensor 14 is inserted in the nitrogen oxide sensor seat 15, the nitrogen oxide sensor seat 15
One end is through silencing cotton and on the installing plate.Noise reduction is improved by silencing cotton 12, the through hole of blast pipe 3 also rises
To the effect of noise reduction.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection domain of the present utility model.
Claims (6)
1. a kind of SCR catalytic mufflers, it is characterised in that the SCR catalytic mufflers include housing (1), air inlet pipe (2) and row
Tracheae (3)；The air inlet pipe (2) and blast pipe (3) are separately positioned on the left and right sides of housing (1), and the housing (1) is past from a left side
The right side, which is disposed with inlet chamber (4), catalytic chamber and discharge chamber, the catalytic chamber, is provided with catalyst；The left side of the housing (1)
Be provided with one and housing (1) rotation swivel base (5), the air inlet pipe (2) be arranged on swivel base (5) on and with the position of swivel base (5)
Put and an escape pipe (6) is provided with bias, the inlet chamber (4), one end of the escape pipe (6) is enclosed construction, another
End is connected with housing (1) and connected by swivel base (5) with air inlet pipe (2), and the periphery of the escape pipe is provided with multiple with entering
The venthole (7) of air cavity (4) connection.
2. SCR catalytic mufflers according to claim 1, it is characterised in that also including the dividing plate in inlet chamber (4)
(8), the escape pipe is connected through dividing plate (8) and with dividing plate (8).
3. SCR catalytic mufflers according to claim 2, it is characterised in that the housing (1) includes several through holes
(9), the inlet chamber (4) is in communication with the outside by through hole (9).
4. SCR catalytic mufflers according to claim 1, it is characterised in that also including urea nozzle (10), the urea
Nozzle (10) is arranged in air inlet pipe (6).
5. SCR catalytic mufflers according to claim 1, it is characterised in that provided with peace in the discharge chamber of the housing (1)
Fill plate (11), one end of the blast pipe (3) is arranged on installing plate (11), the installing plate (11) and the housing (1) it
Between be provided with silencing cotton (12), the blast pipe (3) pass through silencing cotton (12)；The end of the housing (1) is sensed provided with nitrogen oxygen
Device (14), the nitrogen oxide sensor is connected with the nitrogen oxide sensor seat (15) of tubulose, and the probe of the nitrogen oxide sensor (14) is inserted
Enter in the nitrogen oxide sensor seat (15), described nitrogen oxide sensor seat (15) one end is through silencing cotton and installed in the installing plate
On.
6. SCR catalytic mufflers according to claim 2, it is characterised in that the material of the dividing plate (8) is metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720032093.5U CN206346811U (en) | 2017-01-11 | 2017-01-11 | SCR catalysis silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720032093.5U CN206346811U (en) | 2017-01-11 | 2017-01-11 | SCR catalysis silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206346811U true CN206346811U (en) | 2017-07-21 |
Family
ID=59324814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720032093.5U Expired - Fee Related CN206346811U (en) | 2017-01-11 | 2017-01-11 | SCR catalysis silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206346811U (en) |
-
2017
- 2017-01-11 CN CN201720032093.5U patent/CN206346811U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20180111 |