CN206111298U - Hybrid chamber subassembly - Google Patents
Hybrid chamber subassembly Download PDFInfo
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- CN206111298U CN206111298U CN201621041158.4U CN201621041158U CN206111298U CN 206111298 U CN206111298 U CN 206111298U CN 201621041158 U CN201621041158 U CN 201621041158U CN 206111298 U CN206111298 U CN 206111298U
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- cavity
- hybrid chamber
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Abstract
The utility model provides a hybrid chamber subassembly for behind the engine exhaust among the processing apparatus, hybrid chamber subassembly includes the cavity and is used for installing the mounting hole of urea nozzle. The cavity includes for the first sub - cavity with first aftertreatment part intercommunication, for sub - cavity of second and middle sub - cavity with second aftertreatment part intercommunication. The urea nozzle be used for to spray the urea liquid drop in the first sub - cavity. Hybrid chamber subassembly is still including being located blender in the middle sub - cavity, the blender is equipped with a plurality of fins of framework and slope setting, wherein roughly follow a plurality of fins that the hour hands direction includes a plurality of fretwork portions in proper order and is located corresponding fretwork portion in the framework, the fin is followed the hour hands direction inclines in proper order. So set up, improved urea liquid drop and carminative mixture, improved urea liquid drop evaporation rate, reduce urea crystallization's risk.
Description
Technical field
This utility model is related to a kind of hybrid chamber component, belongs to engine exhaust post-processing technology field.
Background technology
Research shows exhaust after treatment system（Such as selective catalytic reduction system operating, SCR system）Ammonia distribution in pipeline
Uniformity coefficient has important impact to the overall performance and endurance quality of system.If ammonia（NH3）Skewness can cause
Oxynitride（NOx）Transformation efficiency is too low, easily causes ammonia and let out if urea injecting quantity is increased in order to meet discharge performance
Leakage pollution.Simultaneously urea droplets are easily deposited when the relatively low wall of temperature is touched, formed crystallization it is serious when can block aerofluxuss
Manage, cause engine power performance to decline.The mixing uniformity for improving ammonia molecule can effectively improve urea desorption column, reduce
Urea injecting quantity is so as to reducing the risk of urea crystals.
Therefore, it is necessary to provide a kind of hybrid chamber component that can improve ammonia molecular mixing uniformity to solve above-mentioned skill
Art problem.
Utility model content
The purpose of this utility model is mixing of providing that a kind of aerofluxuss that can make electromotor mix homogeneously with urea droplets
Close chamber component.
For achieving the above object, this utility model is adopted the following technical scheme that：A kind of hybrid chamber component, arranges for electromotor
In gas after-treatment device, the hybrid chamber component includes cavity and the installing hole to install urea nozzle, the cavity bag
Include to connect with the first after-treatment components the first sub- cavity, to the second sub- cavity for connecting with the second after-treatment components with
And the sub- cavity in centre of the connection first sub- cavity and the second sub- cavity, the first sub- cavity is compared to described second
Sub- cavity be located at flow direction of exhaust gases upstream, the urea nozzle to spray urea droplets into the described first sub- cavity,
The hybrid chamber component also includes the blender in the sub- cavity in the centre, and the blender is provided with framework and inclination sets
The some fins put, wherein including that the first hollow-out parts, the second hollow-out parts, the 3rd engrave successively approximately along clockwise in the framework
Empty portion, the 4th hollow-out parts, the 5th hollow-out parts and the 6th hollow-out parts, the blender are additionally provided with first hollow-out parts
The first fin, the second fin in second hollow-out parts, the 3rd fin in the 3rd hollow-out parts, be located at
The 4th fin, the 5th fin in the 5th hollow-out parts in 4th hollow-out parts and it is located at the 6th hollow out
The 6th fin in portion, wherein first fin, the second fin, the 3rd fin, the 4th fin, the 5th fin and the 6th wing
Piece is inclined successively along the clockwise.
As the further improved technical scheme of this utility model, first hollow-out parts, the 6th hollow-out parts and the 5th
Hollow-out parts line up the first row, and second hollow-out parts, the 3rd hollow-out parts and the 4th hollow-out parts are lined up parallel with the first row
The second row；
First hollow-out parts are arranged in first row with second hollow-out parts, and the 6th hollow-out parts are engraved with the described 3rd
Empty portion is arranged in secondary series, and the 5th hollow-out parts are arranged in the 3rd row with the 4th hollow-out parts, wherein the secondary series position
It is listed between the 3rd row in described first.
Used as the further improved technical scheme of this utility model, the framework is trapezoidal, and which includes for being connected with each other
One side, second side, the 3rd side and four side, wherein the first side is minor face, the 3rd side is length
Side.
As the further improved technical scheme of this utility model, the blender include being erected at the second side with
The first partition wall on the four side, first hollow-out parts, the 6th hollow-out parts and the 5th hollow-out parts are located at described the
The side of one partition wall, second hollow-out parts, the 3rd hollow-out parts and the 4th hollow-out parts are located at the another of first partition wall
Side.
As the further improved technical scheme of this utility model, the blender include being erected at the first side,
Some second partition walls on first partition wall and the 3rd side, second partition wall are provided with the 3rd plate, and the described 3rd
Fin extends from one end of the 3rd plate, and the 6th fin extends from the other end of the 3rd plate, and the described 3rd
Fin is contrary with the incline direction of the 6th fin.
As the further improved technical scheme of this utility model, the blender include being erected at the second side with
And near some first plates on that second partition wall of the second side, first fin is from first plate
Piece extends.
As the further improved technical scheme of this utility model, the blender include being erected at the second side with
And near some second plates on that second partition wall of the second side, second fin is from second plate
Piece extends.
As the further improved technical scheme of this utility model, the blender include being erected at the four side with
And near some 4th plates on that second partition wall of the four side, the 4th fin is from the 4th plate
Piece extends.
As the further improved technical scheme of this utility model, the blender include being erected at the four side with
And near some 5th plates on that second partition wall of the four side, the 5th fin is from the 5th plate
Piece extends.
Used as the further improved technical scheme of this utility model, the clockwise is for clockwise or counter-clockwise
Direction.
Compared to prior art, blender of this utility model by the above-mentioned this structure of setting, urea droplets and aerofluxuss
Mixed under the flow-disturbing of corresponding hollow-out parts and fin, improve the uniformity of mixing.In addition, increased air-flow having
Stroke in limit space, it is ensured that urea droplets are sufficiently mixed with aerofluxuss while ensure that urea droplets are sufficiently heated, and improve urine
Plain droplet evaporation rate, improves ammonia molecular distribution uniformity, reduces the risk of urea crystals.
Description of the drawings
Fig. 1 is that this utility model hybrid chamber component is fitted together with the first after-treatment components and the second after-treatment components
Schematic perspective view.
Fig. 2 is the part isometric exploded view of Fig. 1, and wherein hybrid chamber component is separated.
Fig. 3 is the part isometric exploded view of hybrid chamber component in Fig. 2, wherein cover plate and baffle plate are separated.
Fig. 4 is the further three-dimensional exploded views of Fig. 3, and wherein blender is also separated.
Fig. 5 is the schematic perspective view of another angle of hybrid chamber component in Fig. 2.
Fig. 6 is the front view of hybrid chamber component in Fig. 2.
Fig. 7 is the side view of Fig. 6.
Fig. 8 is that the hybrid chamber component in Fig. 2 removes cover plate and the schematic perspective view after baffle plate.
Fig. 9 is the front view of Fig. 8.
Figure 10 is the axonometric chart of another angles of Fig. 9, wherein eliminating the framework of blender.
Figure 11 is the axonometric chart of blender in Fig. 8.
Figure 12 is the axonometric chart of another angles of Figure 11.
Figure 13 is the axonometric chart of another angles of Figure 12.
Figure 14 is the axonometric chart of another angles of Figure 11.
Figure 15 is the axonometric chart of another angles of Figure 14.
Figure 16 is the three-dimensional exploded view of blender in Fig. 8.
Figure 17 is the three-dimensional exploded view of another angles of Figure 16.
Specific embodiment
Please join shown in Fig. 1 to Figure 17, this utility model discloses a kind of hybrid chamber component 100, after engine exhaust
With the aerofluxuss of process electromotor in processing meanss.The exhaust gas post-treatment device can be included positioned at the hybrid chamber component 100
First after-treatment components 200 of upstream and/or the second after-treatment components 300 positioned at 100 downstream of hybrid chamber component.Its
In, the first after-treatment components 200 can be oxidation catalyzer（DOC）Or DOC and diesel particulate trap（DPF）Combination,
Second after-treatment components 300 can be SCR module（SCR）.Certainly, in some embodiments, can also use
The DPF of SCR catalyst is applied（SDPF）To replace DPF.The shape of exhaust gas post-treatment device can be linear, U-shaped, Z-shaped, L
Shape etc..In addition, person of ordinary skill in the field is appreciated that above-mentioned DOC, DPF, SDPF etc. can be set according to actual needs
Other kinds of catalyst converter or combination are calculated as, be will not be described here.
Please join shown in Fig. 2 to Figure 17, the hybrid chamber component 100 includes cavity 101 and in the cavity 101
Blender 40.According to different subregions, the cavity 101 includes that the first sub- cavity 10, the second sub- cavity 20 and connection are described
First sub- cavity 10 sub- cavity 30 with the centre of the described second sub- cavity 20, wherein, the first sub- cavity 10 is compared to described
Second sub- cavity 20 is located at the upstream of flow direction of exhaust gases, and the blender 40 is located in the sub- cavity in the centre 30.
From in structure, please join shown in Fig. 5 and Fig. 7, hybrid chamber component of the present utility model 100 include main part 1 and
The cover plate 2 being engaged with the main part 1.The side wall 12 that the main part 1 includes side plate 11 and extends from the side plate 11.
The cover plate 2 is fixed on the side wall 12 for example, by the mode of welding.In this utility model embodiment illustrated, institute
State the first sub- cavity 10, the second sub- cavity 20 and middle sub- cavity 30 to be formed by the main part 1 and the cover plate 2.
Specifically, please join shown in Fig. 9, in this utility model embodiment illustrated, the side wall 12 is near its top
The position in portion is provided with the installing hole 1213 for installing urea nozzle.The installing hole 1213 is located at the hybrid chamber component 100
Upper left side, i.e., it is angled with 100 median plane of hybrid chamber component.
Please join shown in Fig. 7, the first sub- cavity 10 is offset from each other with the described second sub- cavity 20.Perpendicular to exhaust stream
On the thickness direction A-A in dynamic direction, the hybrid chamber component 100 is provided with positioned at the described first sub- cavity 10 and the described second sub- chamber
Rake 50 between body 20, to form the necking 51 corresponding to the blender 40.
Please join shown in Fig. 2 to Fig. 4, the cover plate 2 includes the first sheet part 21, the second sheet part 22 and connects described the
The face 23 that inclines of one sheet part 21 and second sheet part 22.The face 23 that inclines is corresponding to the rake 50.In addition, institute
State the first sheet part 21 be provided with connect with the described first sub- cavity 10 and corresponding to the first after-treatment components 200 first be open
211, second sheet part 22 is provided with
Opening 221.In this utility model embodiment illustrated, first opening 211 is upstream exhaust entrance, and described second opens
Mouth 221 is that downstream exhaust gas are exported.
Please join shown in Figure 10 to Figure 17, the blender 40 is provided with framework 7 and some fins 8 being obliquely installed, wherein
Include the first hollow-out parts 71, the second hollow-out parts 72, the 3rd hollow-out parts the 73, the 4th successively approximately along clockwise in the framework 7
Hollow-out parts 74, the 5th hollow-out parts 75 and the 6th hollow-out parts 76.The fin 8 is provided with first hollow-out parts 71
One fin 81, the second fin 82 in second hollow-out parts 72, the 3rd fin in the 3rd hollow-out parts 73
83rd, in the 4th hollow-out parts 74 the 4th fin 84, the 5th fin 85 in the 5th hollow-out parts 75 and
The 6th fin 86 in the 6th hollow-out parts 76, wherein first fin 81, the second fin 82, the 3rd fin 83,
4th fin 84, the 5th fin 85 and the 6th fin 86 are inclined successively along the clockwise.Please join shown in Figure 13, in this reality
With in new embodiment illustrated, the clockwise is the counter clockwise direction shown in oval upward arrow, certainly at other
Can also be for clockwise in embodiment.
By arranging this structural mixer 40, urea droplets are with aerofluxuss under the flow-disturbing of corresponding hollow-out parts and fin
Mixed, improve the uniformity of mixing, reduced the risk of urea crystals.Above-mentioned hollow-out parts are urea droplets and aerofluxuss
Mixture is probably divided into different regions, so as to improve the uniformity of distribution.In addition, being inclined by arranging in the same direction
Fin, can make mixture formed eddy flow, so as to improve the uniformity of mixing.Incorporated by reference to shown in Fig. 9 and Figure 10, mixture exists
In the presence of 3rd fin 83 and the 6th fin 86, substantially form inside and outside the described second sub- cavity 20 such as Fig. 9 and
Double-cyclone in Figure 10 shown in arrow, so as to improve mixed effect.
In this utility model embodiment illustrated, first hollow-out parts 71, the 6th hollow-out parts 76 and the 5th are engraved
Empty portion 75 lines up the first row, and second hollow-out parts 72, the 3rd hollow-out parts 73 and the 4th hollow-out parts 74 are lined up and described first
The second parallel row of row.
First hollow-out parts 71 and second hollow-out parts 72 are arranged in first row, the 6th hollow-out parts 76 with it is described
3rd hollow-out parts 73 are arranged in secondary series, and the 5th hollow-out parts 75 are arranged in the 3rd row with the 4th hollow-out parts 74, wherein
The secondary series is listed between the 3rd row positioned at described first.
In this utility model embodiment illustrated, the framework 7 is substantially trapezoidal, and which includes first for being connected with each other
Side 701, second side 702, the 3rd side 703 and four side 704, wherein the first side 701 is minor face, it is described
3rd side 703 is long side.
The blender 40 includes being erected at the first partition wall on the second side 702 and the four side 704
811, first hollow-out parts 71, the 6th hollow-out parts 76 and the 5th hollow-out parts 75 are located at the side of first partition wall 811,
Second hollow-out parts 72, the 3rd hollow-out parts 73 and the 4th hollow-out parts 74 are located at the opposite side of first partition wall 811.Institute
State the first partition wall 811 to be provided with vertical flat part 8111 and extend in opposite directions from the two ends of the flat part 8111
7th fin 8112 and the 8th fin 8113.Wherein described 7th fin 8112 and the first fin 81 and the second fin 82
Incline direction is identical, and the 8th fin 8113 is identical with the incline direction of the 4th fin 84 and the 5th fin 85.
The blender 40 includes being erected on the first side 701, the first partition wall 811 and the 3rd side 703
Some second partition walls 821, second partition wall 821 is provided with the 3rd plate 8211, and the 3rd fin 83 is from described
One end of three plates 8211（Such as front end in Figure 16）Extend, the 6th fin 86 is from the another of the 3rd plate 8211
End（Such as rear end in Figure 16）Extend, the 3rd fin 83 is contrary with the incline direction of the 6th fin 86.
The blender 40 includes being erected at the second side 702 and that near the second side 702
Some first plates 810 on second partition wall 821, first fin 81 extend from first plate 810.
The blender 40 includes being erected at the second side 702 and that near the second side 702
Some second plates 820 on second partition wall 821, second fin 82 extend from second plate 820.
The blender 40 includes being erected at the four side 704 and that near the four side 704
Some 4th plates 840 on second partition wall 821, the 4th fin 84 extend from the 4th plate 840.
The blender 40 includes being erected at the four side 704 and that near the four side 704
Some 5th plates 850 on second partition wall 821, the 5th fin 85 extend from the 5th plate 850.
Please join shown in Figure 11 to Figure 17, first plate 810, the second plate 820, the 3rd plate 8211, the 4th plate
840 and the 5th plate 850 in extending laterally；The flat part 8111 is in longitudinal extension, and is laterally mutually handed over described
It is wrong.The top of the framework 7, the 3rd plate 8211 and flat part 8111 is respectively provided with groove, to position corresponding plate.
Please join shown in Fig. 2 to Fig. 6, the hybrid chamber component 100 is included positioned at first after-treatment components 200 and institute
The baffle plate 6 between the first sub- cavity 10 is stated, the baffle plate 6 is provided with some perforation 61.Can be reduced from first by arranging baffle plate 6
The deflection that the aerofluxuss out of after-treatment components 200 are directly produced to the carbamide for ejecting, improves urea droplets mixed with aerofluxuss
Close, improve urea droplets evaporation rate, improve ammonia distributing homogeneity, reduce the risk of urea crystals.
It will be appreciated, of course, that in other embodiments, the fin of blender 40 can also be set to be divided into inside and outside two
Layer.Preferably, the incline direction of the fin of the incline direction of the fin of internal layer and outer layer is conversely, the fin of such as internal layer is along up time
Pin is inclined, and, along inclination counterclockwise, vice versa for the fin of outer layer.
It is used herein for example " on ", D score, "left", "right", "front", "rear", etc. representation space relative position term
It is in order at and is easy to descriptive purpose to describe relation of the feature relative to another feature as shown in the drawings.Can manage
Solution, according to the difference of product placement position, the term of relative space position can be intended to include in addition to orientation shown in figure
Different azimuth, should not be interpreted as limitations on claims.In addition, descriptor " vertical " used herein non-fully
It is equal to along gravity direction, it is allowed to have the inclination of certain angle.
In addition, above example is merely to illustrate this utility model and not limits the technical side described by this utility model
Case, understanding of this description should be based on persons of ordinary skill in the field, although this specification is with reference to above-mentioned
Embodiment has been carried out detailed description to this utility model, but, it will be understood by those within the art that, affiliated skill
The technical staff in art field still can modify to this utility model or equivalent, and all are new without departing from this practicality
The technical scheme of the spirit and scope of type and its improvement, all should cover in right of the present utility model.
Claims (10)
1. a kind of hybrid chamber component, for exhaust post-treatment apparatus of engine in, the hybrid chamber component includes cavity and use
With install urea nozzle installing hole, the cavity include to connect with the first after-treatment components the first sub- cavity, to
The the second sub- cavity connected with the second after-treatment components and the centre for connecting the first sub- cavity and the second sub- cavity
Sub- cavity, the first sub- cavity are located at the upstream of flow direction of exhaust gases, the urea nozzle compared to the described second sub- cavity
To spray urea droplets into the described first sub- cavity, it is characterised in that：The hybrid chamber component is also included in described
Between blender in sub- cavity, the blender is provided with framework and some fins being obliquely installed, wherein big in the framework
Cause along clockwise successively include the first hollow-out parts, the second hollow-out parts, the 3rd hollow-out parts, the 4th hollow-out parts, the 5th hollow-out parts with
And the 6th hollow-out parts, the blender is additionally provided with the first fin in first hollow-out parts, positioned at second hollow out
The second fin in portion, the 3rd fin in the 3rd hollow-out parts, the 4th fin in the 4th hollow-out parts,
The 5th fin and the 6th fin in the 6th hollow-out parts in the 5th hollow-out parts, wherein described first
Fin, the second fin, the 3rd fin, the 4th fin, the 5th fin and the 6th fin are inclined successively along the clockwise.
2. hybrid chamber component as claimed in claim 1, it is characterised in that：First hollow-out parts, the 6th hollow-out parts and
Five hollow-out parts line up the first row, and second hollow-out parts, the 3rd hollow-out parts and the 4th hollow-out parts are lined up flat with the first row
The second capable row；
First hollow-out parts are arranged in first row, the 6th hollow-out parts and the 3rd hollow-out parts with second hollow-out parts
Secondary series is arranged in, the 5th hollow-out parts are arranged in the 3rd row with the 4th hollow-out parts, wherein the secondary series is located at institute
State first to be listed between the 3rd row.
3. hybrid chamber component as claimed in claim 2, it is characterised in that：The framework is trapezoidal, and which includes what is be connected with each other
First side, second side, the 3rd side and four side, wherein the first side is minor face, the 3rd side is
Long side.
4. hybrid chamber component as claimed in claim 3, it is characterised in that：The blender includes being erected at the second side
With the first partition wall on the four side, first hollow-out parts, the 6th hollow-out parts and the 5th hollow-out parts are located at described
The side of the first partition wall, second hollow-out parts, the 3rd hollow-out parts and the 4th hollow-out parts are located at first partition wall
Opposite side.
5. hybrid chamber component as claimed in claim 4, it is characterised in that：The blender includes being erected at first side
Some second partition walls on side, the first partition wall and the 3rd side, second partition wall are provided with the 3rd plate, and described
Three fins extend from one end of the 3rd plate, and the 6th fin extends from the other end of the 3rd plate, and described the
Three fins are contrary with the incline direction of the 6th fin.
6. hybrid chamber component as claimed in claim 5, it is characterised in that：The blender includes being erected at the second side
And near some first plates on that second partition wall of the second side, first fin is from described first
Plate extends.
7. hybrid chamber component as claimed in claim 6, it is characterised in that：The blender includes being erected at the second side
And near some second plates on that second partition wall of the second side, second fin is from described second
Plate extends.
8. hybrid chamber component as claimed in claim 7, it is characterised in that：The blender includes being erected at the four side
And near some 4th plates on that second partition wall of the four side, the 4th fin is from the described 4th
Plate extends.
9. hybrid chamber component as claimed in claim 8, it is characterised in that：The blender includes being erected at the four side
And near some 5th plates on that second partition wall of the four side, the 5th fin is from the described 5th
Plate extends.
10. the hybrid chamber component as described in any one in claim 1 to 9, it is characterised in that：The clockwise is suitable
Clockwise or counter clockwise direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041158.4U CN206111298U (en) | 2016-09-07 | 2016-09-07 | Hybrid chamber subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041158.4U CN206111298U (en) | 2016-09-07 | 2016-09-07 | Hybrid chamber subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111298U true CN206111298U (en) | 2017-04-19 |
Family
ID=58520287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621041158.4U Active CN206111298U (en) | 2016-09-07 | 2016-09-07 | Hybrid chamber subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206111298U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795359A (en) * | 2016-09-07 | 2018-03-13 | 天纳克（苏州）排放系统有限公司 | Hybrid chamber component |
| CN108331643A (en) * | 2018-03-12 | 2018-07-27 | 潍柴动力股份有限公司 | A kind of compact DOC-DPF-SCR after-treatment devices |
| CN111852627A (en) * | 2020-08-18 | 2020-10-30 | 无锡威孚力达催化净化器有限责任公司 | SDPF tightly-coupled U-shaped postprocessor and urea mixing device thereof |
-
2016
- 2016-09-07 CN CN201621041158.4U patent/CN206111298U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795359A (en) * | 2016-09-07 | 2018-03-13 | 天纳克（苏州）排放系统有限公司 | Hybrid chamber component |
| WO2018045883A1 (en) * | 2016-09-07 | 2018-03-15 | 天纳克（苏州）排放系统有限公司 | Mixing chamber assembly |
| CN107795359B (en) * | 2016-09-07 | 2021-04-02 | 天纳克（苏州）排放系统有限公司 | Mixing chamber assembly |
| CN108331643A (en) * | 2018-03-12 | 2018-07-27 | 潍柴动力股份有限公司 | A kind of compact DOC-DPF-SCR after-treatment devices |
| CN111852627A (en) * | 2020-08-18 | 2020-10-30 | 无锡威孚力达催化净化器有限责任公司 | SDPF tightly-coupled U-shaped postprocessor and urea mixing device thereof |
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