CN107461239A - Hybrid chamber component - Google Patents
Hybrid chamber component Download PDFInfo
- Publication number
- CN107461239A CN107461239A CN201610390228.5A CN201610390228A CN107461239A CN 107461239 A CN107461239 A CN 107461239A CN 201610390228 A CN201610390228 A CN 201610390228A CN 107461239 A CN107461239 A CN 107461239A
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- CN
- China
- Prior art keywords
- row
- fin
- cavity
- sub
- hybrid 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.)
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004202 carbamide Substances 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 238000003780 insertion Methods 0.000 claims description 24
- 230000037431 insertion Effects 0.000 claims description 24
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 239000013078 crystal Substances 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 13
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/2073—Selective catalytic reduction [SCR] with means for generating a reducing substance from the exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
A kind of hybrid chamber component, in exhaust post-treatment apparatus of engine, the hybrid chamber component to include cavity and to install the mounting hole of urea nozzle.The cavity includes the first sub- cavity, the sub- cavity of the second sub- cavity and centre to be connected with the second after-treatment components to be connected with the first after-treatment components.The urea nozzle into the described first sub- cavity spraying urea droplets.The hybrid chamber component also includes the blender in the sub- cavity in the centre, the blender is provided with first row fin and second row fin on the thickness direction perpendicular to the flow direction of exhaust gases, wherein the incline direction of the first row fin and the second row fin intersects.It is arranged such, improves urea droplets and the mixing of exhaust, improve urea droplets evaporation rate, reduce the risk of urea crystals.
Description
Technical field
The present invention relates 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）The uniformity coefficient that ammonia is distributed in pipeline has important influence to the overall performance and endurance quality of system.If ammonia（NH3）Skewness can cause oxynitrides（NOx）Transformation efficiency is too low, if easily causing NH_3 leakage pollution if increasing urea injecting quantity to meet discharge performance.Urea droplets easily deposit when touching the relatively low wall of temperature simultaneously, formed crystallization it is serious when can block blast pipe, cause engine power performance to decline.Urea desorption column can be effectively improved by improving the mixing uniformity of ammonia molecule, reduce urea injecting quantity so as to reduce the risk of urea crystals.
Therefore, it is necessary to a kind of hybrid chamber component that can improve ammonia molecular mixing uniformity is provided to solve above-mentioned technical problem.
The content of the invention
It is an object of the invention to provide a kind of hybrid chamber component that the exhaust of engine can be made to be well mixed with urea droplets.
To achieve the above object, the present invention adopts the following technical scheme that：A kind of hybrid chamber component,For in exhaust post-treatment apparatus of engine,The hybrid chamber component includes cavity and to install the mounting hole of urea nozzle,The first sub- cavity that the cavity includes connecting with the first after-treatment components,To the second sub- cavity connected with the second after-treatment components and the sub- cavity in centre for connecting the first sub- cavity and the second sub- cavity,The first sub- cavity is located at the upstream of flow direction of exhaust gases compared to the described second sub- cavity,The urea nozzle into the described first sub- cavity spraying urea droplets,The hybrid chamber component also includes the blender in the sub- cavity in the centre,The blender is provided with first row fin and second row fin on the thickness direction perpendicular to the flow direction of exhaust gases,The incline direction of wherein described first row fin and the second row fin intersects.
As further improved technical scheme of the present invention, the blender is provided with the framework to the fixation first row fin and the second row fin, the framework is provided with the first upper surface and some skewed slots through first upper surface, and the skewed slot includes the first skewed slot for first row fin insertion and the second skewed slot for second row fin insertion.
As further improved technical scheme of the present invention, the blender includes the dividing plate in the framework, the dividing plate is provided with the second upper surface and some oblique grooves through second upper surface, the oblique groove includes the 3rd skewed slot for first row fin insertion and the 4th skewed slot for second row fin insertion, the both ends of wherein described first row fin are inserted in first skewed slot and the 3rd skewed slot respectively, and the both ends of the second row fin are inserted in second skewed slot and the 4th skewed slot respectively.
As further improved technical scheme of the present invention, the first row fin is vertically with the second row fin, and the first row fin and the second row fin do not exceed first upper surface and the second upper surface upwards.
As further improved technical scheme of the present invention, the blender is additionally provided with the 3rd row's fin and the 4th row's fin on the thickness direction perpendicular to the flow direction of exhaust gases, wherein described 3rd row's fin is located at the lower section of the first row fin and the second row fin with the 4th row's fin, and the 3rd row's fin vertically extends with the 4th row's fin.
As further improved technical scheme of the present invention, the framework is provided with the first lower surface and some vertical slots through first lower surface, and the vertical slots include the first vertical slots for the 3rd row's fin insertion and the second vertical slots for the 4th row's fin insertion.
As further improved technical scheme of the present invention, the dividing plate is provided with the second lower surface and some vertical grooves through second lower surface, the vertical groove includes the 3rd vertical slots for the 3rd row's fin insertion and the 4th vertical slots for the 4th row's fin insertion, the both ends of wherein described 3rd row's fin are inserted in first vertical slots and the 3rd vertical slots respectively, and the both ends of the 4th row's fin are inserted in second vertical slots and the 4th vertical slots respectively.
As further improved technical scheme of the present invention, the 3rd row's fin and the 4th row's fin do not exceed downwards first lower surface and the second lower surface.
As further improved technical scheme of the present invention, the hybrid chamber component includes main part and the cover plate being engaged with the main part, the main part includes side plate and the side wall from side plate extension, the cover plate is fixed in the side wall, and the first sub- cavity, the second sub- cavity and middle sub- cavity are formed by the main part and the cover plate；The cover plate includes connecting with the described first sub- cavity and first corresponding to first after-treatment components is open and is connected with the described second sub- cavity and correspond to the second opening of second after-treatment components, and the mounting hole site is in the top of the side wall.
As further improved technical scheme of the present invention, the first sub- cavity is offset from each other with the described second sub- cavity；On the thickness direction, the hybrid chamber component is provided with the rake between the described first sub- cavity and the second sub- cavity, to form the necking corresponding to the blender.
As further improved technical scheme of the present invention, the hybrid chamber component includes the baffle plate between first after-treatment components and the first sub- cavity, and the baffle plate is provided with some perforation.
Compared to prior art, the present invention is by setting the first row fin and second row fin that double-deck and incline direction intersects, to form preferable eddy flow effect.It is arranged such, adds stroke of the air-flow in the confined space, it is ensured that urea droplets is sufficiently mixed with exhaust while ensures that urea droplets are sufficiently heated, and improve urea droplets evaporation rate, improve ammonia molecular distribution uniformity, reduce the risk of urea crystals.
Brief description of the drawings
Fig. 1 is the schematic perspective view that hybrid chamber component of the present invention and the first after-treatment components and the second after-treatment components fit together.
Fig. 2 is Fig. 1 part isometric exploded view, 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 Fig. 6 side view.
Fig. 8 is the schematic perspective view after the hybrid chamber component removal cover plate in Fig. 2.
Fig. 9 is Fig. 8 front view.
Figure 10 is to remove the schematic perspective view after Fig. 8 cover plates, and exhaust and the direction of urea droplets double-cyclone of the schematical position for designating urea nozzle and engine.
Figure 11 is the stereogram of blender in Fig. 8.
Figure 12 is Figure 11 three-dimensional exploded view.
Figure 13 is the front view of Figure 12 median septums.
Embodiment
It please join shown in Fig. 1 to Figure 10, present invention is disclosed a kind of hybrid chamber component 100, for handling the exhaust of engine in exhaust post-treatment apparatus of engine.The exhaust gas post-treatment device can include the first after-treatment components 200 positioned at the upstream of hybrid chamber component 100 and/or the second after-treatment components 300 positioned at the downstream of hybrid chamber component 100.Wherein, the first after-treatment components 200 can be oxidation catalyzer（DOC）Or DOC and diesel particulate trap（DPF）Combination, the second after-treatment components 300 can be SCR module（SCR）.Certainly, in some embodiments, the DPF for having applied SCR catalyst can also be used（SDPF）To replace DPF.The shape of exhaust gas post-treatment device can be linear, U-shaped, Z-shaped, L-shaped etc..In addition, person of ordinary skill in the field is appreciated that above-mentioned DOC, DPF, SDPF etc. can be designed as other kinds of catalyst converter or combination according to being actually needed, will not be repeated here.
It please join shown in Fig. 2 to Figure 10, the hybrid chamber component 100 includes cavity 101 and the blender 40 in the cavity 101.According to different subregions, the cavity 101 includes the sub- cavity 30 in centre of the first sub- cavity 10, the second sub- cavity 20 and the connection first sub- cavity 10 and the described second sub- cavity 20, wherein, the first sub- cavity 10 is located at the upstream of flow direction of exhaust gases compared to the described second sub- cavity 20, and the blender 40 is located in the sub- cavity 30 in the centre.
From structure, it please join shown in Fig. 5 and Fig. 7, hybrid chamber component 100 of the invention includes main part 1 and the cover plate 2 being engaged with the main part 1.The main part 1 includes side plate 11 and the side wall 12 from the side plate 11 extension.The cover plate 2 is fixed in the side wall 12 for example, by the mode of welding.In illustrative embodiments of the present invention, the first sub- cavity 10, the second sub- cavity 20 and middle sub- cavity 30 are formed by the main part 1 and the cover plate 2.
Specifically, it please join shown in Fig. 9, the side wall 12 includes being at least a partially formed the first side wall 121 of the described first sub- cavity 10, is at least a partially formed the second sidewall 122 of the described second sub- cavity 20 and is at least a partially formed the 3rd side wall 123 of the sub- cavity 30 in the centre, wherein described the first side wall 121 includes the first left side wall 1211 and the first right side wall 1212, the second sidewall 122 includes the second left side wall 1221 and the second right side wall 1222, and the 3rd side wall 123 includes the 3rd left side wall 1231 and the 3rd right side wall 1232.In illustrative embodiments of the present invention, position of first left side wall 1211 at the top of it is provided with to install the mounting hole 1213 of urea nozzle.The mounting hole 1213 is located at the upper left side of the hybrid chamber component 100, i.e., angled with the median plane of hybrid chamber component 100.
It please join shown in Fig. 7, the first sub- cavity 10 is offset from each other with the described second sub- cavity 20.On the thickness direction A-A perpendicular to flow direction of exhaust gases, the hybrid chamber component 100 is provided with the rake 50 between the described first sub- cavity 10 and the second sub- cavity 20, to form the necking 51 corresponding to the blender 40.
It please join shown in Fig. 2 to Fig. 4, the cover plate 2 includes the face 23 that inclines in the first plate portion 21, the second plate portion 22 and connection the first plate portion 21 and the second plate portion 22.The face 23 that inclines corresponds to the rake 50.In addition, the first plate portion 21, which is provided with, to be connected with the described first sub- cavity 10 and corresponding to the first opening 211 of the first after-treatment components 200, and the second plate portion 22, which is provided with, to be connected with the described second sub- cavity 20 and corresponding to the second opening 221 of the second after-treatment components 300.In illustrative embodiments of the present invention, first opening 211 is upstream exhaust entrance, and second opening 221 is that downstream exhaust gas exports.
It please join shown in Fig. 8 to Figure 13, the blender 40 is provided with first row fin 41, second row fin 42, the 3rd row's fin 43 and the 4th row's fin 44, wherein described first row fin 41 is located at upper end with the second row fin 42, and the 3rd row's fin 43 is located at lower end with the 4th row's fin 44.The incline direction of the first row fin 41 and the second row fin 42 intersects, and the 3rd row's fin 43 and the 4th row's fin 44 vertically extend.In illustrative embodiments of the present invention, the first row fin 41 vertically with the second row fin 42.
The blender 40 is provided with the framework 45 of fixed above-mentioned fin and the dividing plate 46 in the framework 45.The framework 45 is trapezoidal, and it is provided with the first upper surface 451, some skewed slots 452 through first upper surface 451, the first lower surface 453 and some vertical slots 454 through first lower surface 453.The skewed slot 452 includes the first skewed slot 4521 for the first row fin 41 insertion and the second skewed slot 4522 for the second row fin 42 insertion.The vertical slots 454 include the first vertical slots 4541 for the 3rd row's fin 43 insertion and the second vertical slots 4542 for the 4th row's fin 44 insertion.
It please join shown in Figure 13, the dividing plate 46 is provided with the second upper surface 461, some oblique grooves 462 through second upper surface 461, the second lower surface 463 and some vertical grooves 464 through second lower surface 463.The oblique groove 462 includes the 3rd skewed slot 4621 for the first row fin 41 insertion and the 4th skewed slot 4622 for the second row fin 42 insertion.The vertical groove 464 includes the 3rd vertical slots 4641 for the 3rd row's fin 43 insertion and the 4th vertical slots 4642 for the 4th row's fin 44 insertion.The both ends of wherein described first row fin 41 are inserted in first skewed slot 4521 and the 3rd skewed slot 4621 respectively, and the both ends of the second row fin 42 are inserted in second skewed slot 4522 and the 4th skewed slot 4622 respectively.The both ends of 3rd row's fin 43 are inserted in first vertical slots 4541 and the 3rd vertical slots 4641 respectively, and the both ends of the 4th row's fin 44 are inserted in second vertical slots 4542 and the 4th vertical slots 4642 respectively.
It please join shown in Fig. 9, the first row fin 41 and the second row fin 42 do not exceed the upper surface 461 of the first upper surface 451 and second upwards.3rd row's fin 43 and the 4th row's fin 44 do not exceed downwards the lower surface 463 of the first lower surface 453 and second.
It please join shown in Fig. 2 to Fig. 6, the hybrid chamber component 100 includes the baffle plate 6 between first after-treatment components 200 and the first sub- cavity 10, and the baffle plate 6 is provided with some perforation 61.By setting baffle plate 6 to reduce the exhaust come out from the first after-treatment components 200 directly to deflection caused by the urea that ejects, improve urea droplets and the mixing of exhaust, urea droplets evaporation rate is improved, improves ammonia distributing homogeneity, reduces the risk of urea crystals.
Such as " on ", " under " used herein, "left", "right", "front", "rear", etc. representation space relative position term be in order at be easy to the purpose of explanation describe as shown in the drawings a feature relative to the relation of another feature.It is appreciated that according to the difference of product placement position, the term of relative space position can be intended to include the different azimuth in addition to orientation shown in figure, should not be interpreted as limitations on claims.Not it is fully equivalent in addition, descriptor used herein is " vertical " along gravity direction, it is allowed to have the inclination of certain angle.
In addition, above example is merely to illustrate the present invention and not limits technical scheme described in the invention, understanding of this description should be based on person of ordinary skill in the field, although this specification is with reference to the above embodiments to present invention has been detailed description, but, it will be understood by those within the art that, still the present invention can be modified by person of ordinary skill in the field or equivalent substitution, and all do not depart from technical scheme and its improvement of the spirit and scope of the present invention, it all should cover in scope of the presently claimed invention.
Claims (11)
- A kind of 1. hybrid chamber component, for in exhaust post-treatment apparatus of engine, the hybrid chamber component includes cavity and to install the mounting hole of urea nozzle, the first sub- cavity that the cavity includes connecting with the first after-treatment components, to the second sub- cavity connected with the second after-treatment components and the sub- cavity in centre for connecting the first sub- cavity and the second sub- cavity, the first sub- cavity is located at the upstream of flow direction of exhaust gases compared to the described second sub- cavity, the urea nozzle into the described first sub- cavity spraying urea droplets, it is characterized in that：The hybrid chamber component also includes the blender in the sub- cavity in the centre, the blender is provided with first row fin and second row fin on the thickness direction perpendicular to the flow direction of exhaust gases, wherein the incline direction of the first row fin and the second row fin intersects.
- 2. hybrid chamber component as claimed in claim 1, it is characterised in that：The blender is provided with the framework to the fixation first row fin and the second row fin, the framework is provided with the first upper surface and some skewed slots through first upper surface, and the skewed slot includes the first skewed slot for first row fin insertion and the second skewed slot for second row fin insertion.
- 3. hybrid chamber component as claimed in claim 2, it is characterised in that：The blender includes the dividing plate in the framework, the dividing plate is provided with the second upper surface and some oblique grooves through second upper surface, the oblique groove includes the 3rd skewed slot for first row fin insertion and the 4th skewed slot for second row fin insertion, the both ends of wherein described first row fin are inserted in first skewed slot and the 3rd skewed slot respectively, and the both ends of the second row fin are inserted in second skewed slot and the 4th skewed slot respectively.
- 4. hybrid chamber component as claimed in claim 3, it is characterised in that：The first row fin is vertically with the second row fin, and the first row fin and the second row fin do not exceed first upper surface and the second upper surface upwards.
- 5. hybrid chamber component as claimed in claim 3, it is characterised in that：The blender is additionally provided with the 3rd row's fin and the 4th row's fin on the thickness direction perpendicular to the flow direction of exhaust gases, wherein described 3rd row's fin is located at the lower section of the first row fin and the second row fin with the 4th row's fin, and the 3rd row's fin vertically extends with the 4th row's fin.
- 6. hybrid chamber component as claimed in claim 5, it is characterised in that：The framework is provided with the first lower surface and some vertical slots through first lower surface, and the vertical slots include the first vertical slots for the 3rd row's fin insertion and the second vertical slots for the 4th row's fin insertion.
- 7. hybrid chamber component as claimed in claim 6, it is characterised in that：The dividing plate is provided with the second lower surface and some vertical grooves through second lower surface, the vertical groove includes the 3rd vertical slots for the 3rd row's fin insertion and the 4th vertical slots for the 4th row's fin insertion, the both ends of wherein described 3rd row's fin are inserted in first vertical slots and the 3rd vertical slots respectively, and the both ends of the 4th row's fin are inserted in second vertical slots and the 4th vertical slots respectively.
- 8. hybrid chamber component as claimed in claim 7, it is characterised in that：3rd row's fin and the 4th row's fin do not exceed downwards first lower surface and the second lower surface.
- 9. hybrid chamber component as claimed in claim 1, it is characterised in that：The hybrid chamber component includes main part and the cover plate being engaged with the main part, the main part includes side plate and the side wall from side plate extension, the cover plate is fixed in the side wall, and the first sub- cavity, the second sub- cavity and middle sub- cavity are formed by the main part and the cover plate；The cover plate includes connecting with the described first sub- cavity and first corresponding to first after-treatment components is open and is connected with the described second sub- cavity and correspond to the second opening of second after-treatment components, and the mounting hole site is in the top of the side wall.
- 10. hybrid chamber component as claimed in claim 9, it is characterised in that：The first sub- cavity is offset from each other with the described second sub- cavity；On the thickness direction, the hybrid chamber component is provided with the rake between the described first sub- cavity and the second sub- cavity, to form the necking corresponding to the blender.
- 11. the hybrid chamber component as described in any one in claim 1 to 10, it is characterised in that：The hybrid chamber component includes the baffle plate between first after-treatment components and the first sub- cavity, and the baffle plate is provided with some perforation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610390228.5A CN107461239A (en) | 2016-06-03 | 2016-06-03 | Hybrid chamber component |
| PCT/CN2017/086997 WO2017206946A1 (en) | 2016-06-03 | 2017-06-02 | Mixing chamber assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610390228.5A CN107461239A (en) | 2016-06-03 | 2016-06-03 | Hybrid chamber component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107461239A true CN107461239A (en) | 2017-12-12 |
Family
ID=60479046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610390228.5A Pending CN107461239A (en) | 2016-06-03 | 2016-06-03 | Hybrid chamber component |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107461239A (en) |
| WO (1) | WO2017206946A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931133A (en) * | 2019-02-19 | 2019-06-25 | 北汽福田汽车股份有限公司 | Mixing chamber component, tail-gas after treatment apparatus and vehicle |
| CN110056410A (en) * | 2018-01-19 | 2019-07-26 | 天纳克（苏州）排放系统有限公司 | Exhaust gas post-treatment device |
| CN110925062A (en) * | 2019-12-19 | 2020-03-27 | 无锡亿利环保科技有限公司 | Urea mixer and post-treatment device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019104772A1 (en) | 2019-01-08 | 2020-07-09 | Eberspächer Exhaust Technology GmbH & Co. KG | Exhaust system |
| CN110848007B (en) * | 2019-12-19 | 2024-06-25 | 无锡亿利环保科技有限公司 | Urea mixing device |
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| WO2017206946A1 (en) | 2017-12-07 |
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