CN205618236U - Air exhaust treatment device - Google Patents
Air exhaust treatment device Download PDFInfo
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- CN205618236U CN205618236U CN201620441604.4U CN201620441604U CN205618236U CN 205618236 U CN205618236 U CN 205618236U CN 201620441604 U CN201620441604 U CN 201620441604U CN 205618236 U CN205618236 U CN 205618236U
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- gas treatment
- treatment device
- exhaust gas
- housing
- taper
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Abstract
The utility model provides an air exhaust treatment device, its includes casing and be located the tail gas processing module of casing, the casing includes hybrid chamber, reposition of redundant personnel chamber and distribution chamber. Air exhaust treatment device is including being located the cone blender of hybrid chamber and being located the hybrid tube of reposition of redundant personnel intracavity, wherein cone blender includes a plurality of toper spinning disks and corresponding to a plurality of openings of these toper spinning disks. So set up, can tile urea in order to increase urea evaporation area and dwell time on the pipe wall of hybrid chamber on the one hand, improve the effect of mixing, on the other hand can make the more unobstructed flow of exhaust, reduces the local pressure loss, falls low back pressure.
Description
Technical field
This utility model relates to a kind of exhaust gas treatment device, belongs to engine exhaust post-processing technology field.
Background technology
Research shows that exhaust after treatment system (such as selective catalytic reduction system operating, SCR system) is managed
In road, the uniformity coefficient of ammonia distribution has important impact to overall performance and the endurance quality of system.If ammonia
Skewness can cause regional area ammonia too much thus to easily cause NH_3 leakage, and in other ammonia rarefied zone
Territory causes oxynitride (NOx) transformation efficiency too low.
In order to improve the uniformity that tail gas mixes with carbamide, exhaust after treatment system more of the prior art
It is provided with straight-plate-type blender, but aerofluxus is by the most smooth and easy during the spinning disk of this blender, can cause
The bigger pressure loss.
Therefore, it is necessary to provide a kind of novel exhaust gas treatment device, to solve above-mentioned technical problem.
Utility model content
The purpose of this utility model is to provide a kind of back pressure relatively low and the exhaust gas treatment device of mix homogeneously.
For achieving the above object, this utility model adopts the following technical scheme that a kind of exhaust gas treatment device,
It includes housing and is positioned at the vent gas treatment module of described housing, described housing include hybrid chamber,
It is positioned at the branch chamber in described hybrid chamber downstream and is positioned at the distribution cavity in described branch chamber downstream, described tail
Gas disposal module is positioned at the downstream of described distribution cavity, and described exhaust gas treatment device includes being positioned at described mixing
The cone blender of intracavity and be positioned at the mixing tube of described branch chamber, wherein said cone blender
Including some taper spinning disks and corresponding to some openings of these taper spinning disks, at described aerofluxus
Reason device also includes being fixed on described housing and in order to install the nozzle mounting portion of urea nozzle, described
Nozzle mounting portion is positioned at the downstream of described cone blender, and described urea nozzle is in order to described mixing tube
The urea liquid of interior jet atomization.
The technical scheme improved further as this utility model, described cone blender and described mixing tube
Weld together.
The technical scheme improved further as this utility model, described cone blender also includes being centered around
Some first perforates that described taper spinning disk is peripheral, described first perforate is near described mixing tube.
The technical scheme improved further as this utility model, described exhaust gas treatment device also includes being positioned at
In described branch chamber and in order to support the first dividing plate and the second partition of described mixing tube, wherein said
First dividing plate is provided with some first perforation, and described second partition is provided with some second perforation；Described aerofluxus
Processing means includes the annular space between described mixing tube and described housing, described first perforation
Being connected with described annular space by described hybrid chamber, described second bores a hole described annular space with described
Distribution cavity connects.
The technical scheme improved further as this utility model, described first dividing plate and described second every
Plate is the most curved and incline direction is contrary.
The technical scheme improved further as this utility model, described exhaust gas treatment device includes with described
The sleeve part that nozzle mounting portion matches, described sleeve part is through described annular space and extends into described
In mixing tube, the sleeve part being wherein positioned at described annular space is provided with some second perforates.
The technical scheme improved further as this utility model, described housing includes the first housing and
Two housings, wherein said first housing is provided with the first Taper Pipe, the first straight tube and the second Taper Pipe, described
Second housing includes the 3rd Taper Pipe, the second straight tube and the 4th Taper Pipe, wherein said second Taper Pipe and institute
State the 3rd Taper Pipe by Flange joint together, and structure thin in centre, that two ends are thick.
The technical scheme improved further as this utility model, described distribution cavity includes being positioned at described second
Space in Taper Pipe and described 3rd Taper Pipe.
The technical scheme improved further as this utility model, described vent gas treatment module includes being installed on
SCR module in described second straight tube.
The technical scheme improved further as this utility model, described exhaust gas treatment device also includes being positioned at
The soot blower of described SCR module upstream.
Compared to prior art, on the one hand carbamide can be put down by this utility model by arranging taper spinning disk
It is layered on the tube wall of hybrid chamber to increase Urea Evaporation area and the time of staying, improves the effect of mixing；
On the other hand can make the flowing that aerofluxus is the most unobstructed, reduce local pressure loss, reduce back pressure.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of this utility model exhaust gas treatment device.
Fig. 2 is the perspective view of Fig. 1.
Fig. 3 is the part isometric exploded view of Fig. 1.
Fig. 4 is the three-dimensional exploded view of another angle of Fig. 3.
Fig. 5 is the further three-dimensional exploded view of Fig. 1.
Fig. 6 is the generalized section of line A-A along Fig. 1.
Detailed description of the invention
Please join shown in Fig. 1 to Fig. 6, this utility model discloses a kind of exhaust gas treatment device 100, uses
To process the aerofluxus of electromotor (especially high-power engine).On the whole, described pump-down process dress
Put 100 include housing 1 and be positioned at the vent gas treatment module 2 of described housing 1.On the whole, institute
State housing 1 include hybrid chamber 3, the branch chamber 4 being positioned at described hybrid chamber 4 downstream and be positioned at described
The distribution cavity 5 in branch chamber 4 downstream.In this utility model embodiment illustrated, at described tail gas
Reason module 2 is SCR module, and it is positioned at the downstream of described distribution cavity 5.
Specifically, described housing 1 includes by Flange joint the first housing 11 and together
Two housings 12, wherein said first housing 11 be provided with first Taper Pipe the 111, first straight tube 112 and
Second Taper Pipe 113, described second housing 12 includes the 3rd Taper Pipe the 121, second straight tube 122 and
Four Taper Pipes 123.Wherein, described second Taper Pipe 113 passes through Flange joint with described 3rd Taper Pipe 121
Together, and structure thin in centre, that two ends are thick.
Described exhaust gas treatment device 100 also include the cone blender 6 being positioned at described hybrid chamber 4 with
And it is positioned at the mixing tube 7 of described branch chamber 4.In this utility model embodiment illustrated, institute
State cone blender 6 to weld together with described mixing tube 7.Wherein said cone blender 6 includes
Some taper spinning disks 61, corresponding to some openings 62 of these taper spinning disks 61 and be centered around
Some first perforates 63 of described taper spinning disk 61 periphery, described first perforate 63 is near described mixed
Close pipe 7.Carbamide can be laid in mixing by taper spinning disk 61 1 aspect of described cone blender 6
To increase Urea Evaporation area and the time of staying on the tube wall in chamber, improve the effect of mixing；On the other hand
The flowing that aerofluxus is the most unobstructed can be made, reduce local pressure loss, reduce back pressure.Described first opens
Hole 63 also is able to play the function reducing back pressure.
Described exhaust gas treatment device 100 also includes being positioned at described branch chamber 4 and in order to support described mixing
Closing the first dividing plate 81 of pipe 7 and second partition 82, wherein said first dividing plate 81 is provided with some the
One perforation 811, described second partition 82 is provided with some second perforation 821.Described exhaust gas treatment device
100 include the annular space 83 between described mixing tube 7 and described housing 1.Described first wears
Described hybrid chamber 3 is connected by hole 811 with described annular space 83, and described second perforation 821 is by institute
State annular space 83 to connect with described distribution cavity 5.In this utility model embodiment illustrated,
Described first dividing plate 81 and described second partition 82 is the most curved, incline direction is contrary and symmetry sets
Put, to reduce back pressure as much as possible.
Described exhaust gas treatment device 100 also includes being fixed on described housing 1 and in order to install carbamide spray
The nozzle mounting portion 13 of mouth (not shown), described nozzle mounting portion 13 is positioned at described cone blender
The downstream of 6, described urea nozzle is in order to the urea liquid of jet atomization in described mixing tube 7.Institute
State the sleeve part 14 that exhaust gas treatment device 100 includes matching with described nozzle mounting portion 13, described
Sleeve part 14 is through described annular space 83 and extends in described mixing tube 7, is wherein positioned at described
Sleeve part 14 in annular space 83 is provided with some second perforates 141.
In this utility model embodiment illustrated, described distribution cavity 5 includes being positioned at described second cone
Space in pipe 113 and described 3rd Taper Pipe 121.Be arranged such, by make reduced cross-sectional area and
Expand, reduce vortex, reduce local pressure loss, make carbamide round and smooth excessively simultaneously, reduce crystallization
Risk.
In this utility model embodiment illustrated, described vent gas treatment module 2 is installed on described
In two straight tubes 122.Described exhaust gas treatment device 100 also includes being positioned at described SCR mould
The soot blower 9 of block upstream.
Above example is merely to illustrate this utility model and and described by unrestricted this utility model
Technical scheme, understanding of this description should be based on person of ordinary skill in the field, to the greatest extent
Pipe this specification has been carried out detailed description with reference to the above embodiments to this utility model, but,
It will be understood by those within the art that, person of ordinary skill in the field still can be to this
Utility model is modified or equivalent, and all are without departing from spirit and scope of the present utility model
Technical scheme and improvement, all should contain in right of the present utility model.
Claims (10)
1. an exhaust gas treatment device, it includes housing and is positioned at the vent gas treatment mould of described housing
Block, described housing includes hybrid chamber, the branch chamber being positioned at described hybrid chamber downstream and is positioned at described point
The distribution cavity in stream downstream, chamber, described vent gas treatment module is positioned at the downstream of described distribution cavity, and its feature exists
In: described exhaust gas treatment device includes the cone blender being positioned at described hybrid chamber and is positioned at described
Mixing tube in branch chamber, wherein said cone blender includes some taper spinning disks and corresponds to
Some openings of these taper spinning disks, described exhaust gas treatment device also includes being fixed on described housing
And in order to install the nozzle mounting portion of urea nozzle, described nozzle mounting portion is positioned at described cone blender
Downstream, described urea nozzle is in order to the urea liquid of jet atomization in described mixing tube.
2. exhaust gas treatment device as claimed in claim 1, it is characterised in that: described cone blender
Weld together with described mixing tube.
3. exhaust gas treatment device as claimed in claim 1, it is characterised in that: described cone blender
Also including being centered around some first perforates that described taper spinning disk is peripheral, described first perforate is near institute
State mixing tube.
4. exhaust gas treatment device as claimed in claim 1, it is characterised in that: described pump-down process fills
Put and also include being positioned at described branch chamber and in order to support first dividing plate and second of described mixing tube
Dividing plate, wherein said first dividing plate is provided with some first perforation, and described second partition is provided with some second
Perforation；Described exhaust gas treatment device includes that the annular between described mixing tube and described housing is empty
Between, described hybrid chamber is connected by described first perforation with described annular space, and described second perforation is by institute
State annular space to connect with described distribution cavity.
5. exhaust gas treatment device as claimed in claim 4, it is characterised in that: described first dividing plate with
And described second partition is the most curved and incline direction is contrary.
6. exhaust gas treatment device as claimed in claim 4, it is characterised in that: described pump-down process fills
Putting the sleeve part including matching with described nozzle mounting portion, described sleeve part passes described annular space
And extending in described mixing tube, the sleeve part being wherein positioned at described annular space is provided with some second
Perforate.
7. exhaust gas treatment device as claimed in claim 1, it is characterised in that: described housing includes the
One housing and the second housing, wherein said first housing is provided with the first Taper Pipe, the first straight tube and
Two Taper Pipes, described second housing includes the 3rd Taper Pipe, the second straight tube and the 4th Taper Pipe, wherein said
Second Taper Pipe passes through together with Flange joint with described 3rd Taper Pipe, and knot thin in centre, that two ends are thick
Structure.
8. exhaust gas treatment device as claimed in claim 7, it is characterised in that: described distribution cavity includes
It is positioned at described second Taper Pipe and the space of described 3rd Taper Pipe.
9. exhaust gas treatment device as claimed in claim 7, it is characterised in that: described vent gas treatment mould
Block includes the SCR module being installed in described second straight tube.
10. exhaust gas treatment device as claimed in claim 9, it is characterised in that: described pump-down process
Device also includes the soot blower being positioned at described SCR module upstream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441604.4U CN205618236U (en) | 2016-05-16 | 2016-05-16 | Air exhaust treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441604.4U CN205618236U (en) | 2016-05-16 | 2016-05-16 | Air exhaust treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618236U true CN205618236U (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620441604.4U Active CN205618236U (en) | 2016-05-16 | 2016-05-16 | Air exhaust treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205618236U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804840A (en) * | 2016-05-16 | 2016-07-27 | 天纳克（苏州）排放系统有限公司 | Exhaust gas treatment device |
| CN107503827A (en) * | 2017-08-15 | 2017-12-22 | 合肥横冲机械科技有限公司 | A kind of efficient automobile exhaust purifier |
| CN107781015A (en) * | 2017-10-20 | 2018-03-09 | 江阴市蒋氏汽摩部件有限公司 | A kind of discharge duct of automobile using |
| CN108150247A (en) * | 2016-12-05 | 2018-06-12 | 卡特彼勒公司 | Exhaust after treatment system, device and method |
| CN110023603A (en) * | 2016-12-14 | 2019-07-16 | 珀金斯发动机有限公司 | Pipe-line mixer for after-treatment system |
-
2016
- 2016-05-16 CN CN201620441604.4U patent/CN205618236U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804840A (en) * | 2016-05-16 | 2016-07-27 | 天纳克（苏州）排放系统有限公司 | Exhaust gas treatment device |
| CN108150247A (en) * | 2016-12-05 | 2018-06-12 | 卡特彼勒公司 | Exhaust after treatment system, device and method |
| CN110023603A (en) * | 2016-12-14 | 2019-07-16 | 珀金斯发动机有限公司 | Pipe-line mixer for after-treatment system |
| CN110023603B (en) * | 2016-12-14 | 2021-06-29 | 珀金斯发动机有限公司 | Line mixer for aftertreatment system |
| CN107503827A (en) * | 2017-08-15 | 2017-12-22 | 合肥横冲机械科技有限公司 | A kind of efficient automobile exhaust purifier |
| CN107781015A (en) * | 2017-10-20 | 2018-03-09 | 江阴市蒋氏汽摩部件有限公司 | A kind of discharge duct of automobile using |
| CN107781015B (en) * | 2017-10-20 | 2019-09-10 | 江阴市蒋氏汽摩部件有限公司 | A kind of exhaust pipe of automobile |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |