CN105673150A - Exhaust gas after-treatment device - Google Patents
Exhaust gas after-treatment device Download PDFInfo
- Publication number
- CN105673150A CN105673150A CN201610222131.3A CN201610222131A CN105673150A CN 105673150 A CN105673150 A CN 105673150A CN 201610222131 A CN201610222131 A CN 201610222131A CN 105673150 A CN105673150 A CN 105673150A
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- CN
- China
- Prior art keywords
- cavity
- plate
- mixing tube
- bowl
- tail
- 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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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]
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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
- F01N3/24—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
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
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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
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1486—Means to prevent the substance from freezing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
An exhaust gas after-treatment device comprises a shell and a mixer component installed in the shell, wherein the shell is provided with an installation base used for installation of a urea nozzle so as to spray urea into the mixer component, the mixer component comprises a mixing pipe, a bowl cover located on the bottom of the mixing pipe, and a partition board matched with the mixing pipe, and the mixing pipe comprises an airflow inlet located in the upper end and an airflow outlet located in the lower end; the shell is divided into a first cavity and a second cavity by the partition board, the first cavity is communicated with the airflow inlet, the second cavity is communicated with the airflow outlet, the mixing pipe comprises a plurality of spinning disks located at the position of the airflow inlet, the spinning disks extend into the first cavity, and the bowl cover is used for forcing airflow to flow reversely. In this way, urea evaporation distance and time are increased, and airflow mixing uniformity is improved.
Description
Technical field
The present invention relates to a kind of tail-gas after treatment apparatus, belong to motor exhaust post-processing technology field.
Background technology
Research shows that in exhaust gas aftertreatment system (such as selective catalytic reduction system operating, SCR system) pipeline, overall performance and the endurance quality of system are had important impact by the uniformity coefficient of ammonia distribution. If ammonia skewness can cause that regional area ammonia is too much thus easily causing NH_3 leakage, and causes oxynitride (NOx) transformation efficiency too low at other ammonia thin areas. The uneven distribution of long-time ammonia can cause that catalyst is aging uneven, thus affecting the overall performance of catalyst. It addition, the uneven distribution of urea droplets can cause local tube wall or mixed structure temperature too low, form crystallization, exhaustor can be blocked time serious, cause that engine power performance declines.
Therefore, it is necessary to provide a kind of novel tail-gas after treatment apparatus, to solve above-mentioned technical problem.
Summary of the invention
It is an object of the invention to provide the tail-gas after treatment apparatus of a kind of mix homogeneously.
For achieving the above object, the present invention adopts the following technical scheme that a kind of tail-gas after treatment apparatus, it includes housing and is installed on the mixer assembly in described housing, described housing is provided with the mounting seat installing urea nozzle to spray carbamide in described mixer assembly, described mixer assembly includes mixing tube, it is positioned at the bowl cover bottom described mixing tube and the dividing plate matched with described mixing tube, described mixing tube includes the air flow inlet being positioned at upper end and the air stream outlet being positioned at lower end, described housing is separated into the first cavity and the second cavity by described dividing plate, wherein said first cavity connects with described air flow inlet, described second cavity connects with described air stream outlet, described mixing tube includes the some spinning disks being positioned at described air flow inlet place, described spinning disk protrudes in described first cavity, described bowl cover is in order to force flow reversal.
As further improved technical scheme of the present invention, described dividing plate includes being positioned at the first plate of described mixing tube side, being positioned at the second plate of described mixing tube opposite side and connect the 3rd plate of described first plate and described second plate, and described 3rd plate is provided with mean for the through hole of described mixing tube traverse.
As further improved technical scheme of the present invention, described mixing tube is vertically arranged;Described first plate all vertically extends with described second plate and bearing of trend is contrary, and described 3rd plate is horizontal-extending.
As further improved technical scheme of the present invention, described dividing plate is substantially Z-shape, and described first plate is positioned at the lower left of described mixing tube, and described second plate is positioned at the upper right side of described mixing tube; Described mixing tube includes being positioned at some first perforation on the top of described spinning disk and is positioned at some second perforation of bottom of described spinning disk, and described first perforation is bored a hole with described second and is all connected with described first cavity.
As further improved technical scheme of the present invention, the lower end of described mixing tube extends at least partially in described bowl cover, and described bowl cover has the first inner surface of circular arc to force flow reversal.
As further improved technical scheme of the present invention, described mixer assembly also includes described mixing tube is fixed to the support in described bowl cover, described mixing tube is through described support, and described support is fixed in described bowl cover, and described support is provided with the hollow-out parts connected with described second cavity.
As further improved technical scheme of the present invention, described bowl cover is double-decker, it includes interior bowl, outer bowl and the jacket space between described interior bowl and said outer bowl, described first inner surface is positioned on described bowl, described jacket space connects with described second cavity, and described mixer assembly also includes at least one connecting tube connecting described jacket space with described first cavity.
As further improved technical scheme of the present invention, the two ends of described connecting tube are separately fixed on said outer bowl and described dividing plate.
As further improved technical scheme of the present invention, described mixer assembly also includes the cover plate between described interior bowl and said outer bowl and the interlayer board between described interior bowl and said outer bowl, wherein said cover plate is provided with the opening connected with described second cavity, described jacket space is divided into upper space and lower space by described interlayer board, described upper space and described open communication, said outer bowl is provided with the perforate connected with described lower space.
As further improved technical scheme of the present invention, described connecting tube includes connecting described upper space and the first connecting tube of described first cavity and the second connecting tube connecting described lower space and described first cavity, and described first connecting tube and described second connecting tube all run through described dividing plate.
Compared to prior art, housing, by arranging dividing plate, is separated into the first cavity and the second cavity, specify that the guiding of air-flow by the present invention. It addition, force flow reversal by bowl cover, add Urea Evaporation from discrete time, improve the uniformity of air-flow mixing.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of tail-gas after treatment apparatus of the present invention.
Fig. 2 is the schematic perspective view of another angle of Fig. 1.
Fig. 3 is the three-dimensional exploded view of Fig. 1.
Fig. 4 is the three-dimensional exploded view in removal Fig. 3 after carrier module.
Fig. 5 is the schematic perspective view of mixer assembly in Fig. 4.
Fig. 6 is the schematic perspective view of another angle of Fig. 5.
Fig. 7 is the three-dimensional exploded view of Fig. 5.
Fig. 8 is the generalized section of line A-A along Fig. 1.
Detailed description of the invention
Please join shown in Fig. 1 to Fig. 8, present invention is disclosed a kind of tail-gas after treatment apparatus 100, in order to process the tail gas of electromotor (such as high-power engine). On the whole, described tail-gas after treatment apparatus 100 includes electric hybrid module 200 and is positioned at the carrier module 300 in described electric hybrid module 200 downstream.Please join shown in Fig. 8, include selective oxidation catalytic module (SCR) 301 and NH_3 leakage photocatalyst module (ASC) 302 at carrier module 300 described in illustrative embodiments of the present invention. Described electric hybrid module 200 is coupled together by some bolts 400 with described carrier module 300.
Described electric hybrid module 200 includes housing 1 and is installed on the mixer assembly 2 in described housing 1. Wherein, described housing 1 is provided with the mounting seat 10 of installing urea nozzle (not shown) to spray carbamide in described mixer assembly 2.
Described mixer assembly 2 includes the mixing tube 21 of vertically layout, is positioned at the bowl cover 22 bottom described mixing tube 21 and the dividing plate 23 matched with described mixing tube 21. Please joining shown in Fig. 5 to Fig. 7, in illustrative embodiments of the present invention, described mixing tube 21 includes the air flow inlet 211 being positioned at upper end and the air stream outlet 212 being positioned at lower end. It addition, described mixing tube 21 includes being positioned at some spinning disks 213 at described air flow inlet 211 place, is positioned at some first perforation 214 on the top of described spinning disk 213 and is positioned at some second perforation 215 of bottom of described spinning disk 213. The mixing tube 21 vertically arranged can save the length of tail-gas after treatment apparatus 100, is adapted in narrow space and applies.
Described housing 1 is separated into the first cavity 11 and the second cavity 12 by described dividing plate 23, wherein said first cavity 11 connects with described air flow inlet 211, described second cavity 12 connects with described air stream outlet 212, described spinning disk 213 protrudes in described first cavity 11, and described first perforation 214 is all connected with described first cavity 11 with described second perforation 215. In illustrative embodiments of the present invention, described dividing plate 23 is substantially Z-shape, and it includes being positioned at the first plate 231 of described mixing tube 21 side, being positioned at the second plate 232 of described mixing tube 21 opposite side and connect the 3rd plate 233 of described first plate 231 and described second plate 232. Described first plate 231 is positioned at the lower left of described mixing tube 21, and described second plate 232 is positioned at the upper right side of described mixing tube 21. Described first plate 231 all vertically extends with described second plate 232 and bearing of trend is contrary, and described 3rd plate 233 is horizontal-extending. Described 3rd plate 233 is provided with mean for the through hole 234 of described mixing tube 21 traverse.
Please joining shown in Fig. 8, the lower end of described mixing tube 21 extends at least partially in described bowl cover 22, and described bowl cover 22 has the first inner surface 220 of circular arc to force flow reversal. In illustrative embodiments of the present invention, described bowl cover 22 is double-decker, and it includes interior bowl 24, outer bowl 25, jacket space 26 between described interior bowl 24 and said outer bowl 25, described mixing tube 21 is fixed to the support 27 in described bowl cover 22, the cover plate 28 between described interior bowl 24 and said outer bowl 25 and the interlayer board 29 between described interior bowl 24 and said outer bowl 25.
Described mixing tube 21 is through described support 27, and described support 27 is fixed in described bowl cover 22. Please joining shown in figure Fig. 5 and Fig. 7, described support 27 is provided with the hollow-out parts 271 connected with described second cavity 12. Described first inner surface 220 is positioned on described bowl 24.
Described jacket space 26 connects with described second cavity 12. Described jacket space 26 is divided into upper space 261 and lower space 262 by described interlayer board 29, described cover plate 28 is provided with the opening 281 connected with described second cavity 12, and described upper space 261 connects with described opening 281, said outer bowl 25 is provided with the perforate 251 connected with described lower space 262.
Described mixer assembly 2 also includes at least one connecting tube connecting described jacket space 26 with described first cavity 11. In illustrative embodiments of the present invention, described connecting tube includes connecting described upper space 261 and the first connecting tube 31 of described first cavity 11 and the second connecting tube 32 connecting described lower space 262 and described first cavity 11. Described first connecting tube 31 all runs through described dividing plate 23 with described second connecting tube 32. Specifically, described first connecting tube 31 is separately fixed on said outer bowl 25 and described dividing plate 23 with the two ends of described second connecting tube 32. It addition, for the flowing better controlling air-flow, described mixer assembly 2 also includes the spacing block 263 being positioned at described upper space 261.
When the aerofluxus of electromotor enters the first cavity 11 from the entrance 13 of described housing 1, the aerofluxus of overwhelming majority flow 213 of spinning under the guiding of dividing plate 23 enters in mixing tube 21. When meeting injection conditions, urea nozzle sprays carbamide in mixing tube 21, and the urea droplets of atomization and the aerofluxus of electromotor are mixed together and flow downward. Subsequently, under the effect of bowl cover 22, force air-flow reversely (such as upwards) flowing. Air-flow after reversely enters the second cavity 12 through hollow-out parts 271, enters back into carrier module 300. So arrange, add Urea Evaporation from discrete time, improve the uniformity of air-flow mixing. Additionally, upper space 261 and lower space 262 is introduced from the first connecting tube 31 and the second connecting tube 32 respectively by will be located in the aerofluxus of the electromotor in the first cavity 11, and enter the second cavity 12 from opening 281 and perforate 251 respectively, achieve the heating to bowl cover 22, thus reducing the risk of urea crystals.
Additionally, above example be merely to illustrate the present invention and and unrestricted technical scheme described in the invention, understanding of this description should based on person of ordinary skill in the field, although this specification with reference to the above embodiments to present invention has been detailed description, but, it will be understood by those within the art that, the present invention still can be modified or equivalent replacement by person of ordinary skill in the field, and all are without departing from the technical scheme of the spirit and scope of the present invention and improvement thereof, all should be encompassed in scope of the presently claimed invention.
Claims (10)
1. a tail-gas after treatment apparatus, it includes housing and is installed on the mixer assembly in described housing, described housing is provided with the mounting seat installing urea nozzle to spray carbamide in described mixer assembly, it is characterized in that: described mixer assembly includes mixing tube, it is positioned at the bowl cover bottom described mixing tube and the dividing plate matched with described mixing tube, described mixing tube includes the air flow inlet being positioned at upper end and the air stream outlet being positioned at lower end, described housing is separated into the first cavity and the second cavity by described dividing plate, wherein said first cavity connects with described air flow inlet, described second cavity connects with described air stream outlet, described mixing tube includes the some spinning disks being positioned at described air flow inlet place, described spinning disk protrudes in described first cavity, described bowl cover is in order to force flow reversal.
2. tail-gas after treatment apparatus as claimed in claim 1, it is characterized in that: described dividing plate includes being positioned at the first plate of described mixing tube side, is positioned at the second plate of described mixing tube opposite side and connects the 3rd plate of described first plate and described second plate, and described 3rd plate is provided with mean for the through hole of described mixing tube traverse.
3. tail-gas after treatment apparatus as claimed in claim 2, it is characterised in that: described mixing tube is vertically arranged;Described first plate all vertically extends with described second plate and bearing of trend is contrary, and described 3rd plate is horizontal-extending.
4. tail-gas after treatment apparatus as claimed in claim 3, it is characterised in that: described dividing plate is substantially Z-shape, and described first plate is positioned at the lower left of described mixing tube, and described second plate is positioned at the upper right side of described mixing tube; Described mixing tube includes being positioned at some first perforation on the top of described spinning disk and is positioned at some second perforation of bottom of described spinning disk, and described first perforation is bored a hole with described second and is all connected with described first cavity.
5. tail-gas after treatment apparatus as claimed in claim 1, it is characterised in that: the lower end of described mixing tube extends at least partially in described bowl cover, and described bowl cover has the first inner surface of circular arc to force flow reversal.
6. tail-gas after treatment apparatus as claimed in claim 5, it is characterized in that: described mixer assembly also includes described mixing tube is fixed to the support in described bowl cover, the described mixing tube described support of traverse, described support is fixed in described bowl cover, and described support is provided with the hollow-out parts connected with described second cavity.
7. tail-gas after treatment apparatus as claimed in claim 5, it is characterized in that: described bowl cover is double-decker, it includes interior bowl, outer bowl and the jacket space between described interior bowl and said outer bowl, described first inner surface is positioned on described bowl, described jacket space connects with described second cavity, and described mixer assembly also includes at least one connecting tube connecting described jacket space with described first cavity.
8. tail-gas after treatment apparatus as claimed in claim 7, it is characterised in that: the two ends of described connecting tube are separately fixed on said outer bowl and described dividing plate.
9. tail-gas after treatment apparatus as claimed in claim 7, it is characterized in that: described mixer assembly also includes the cover plate between described interior bowl and said outer bowl and the interlayer board between described interior bowl and said outer bowl, wherein said cover plate is provided with the opening connected with described second cavity, described jacket space is divided into upper space and lower space by described interlayer board, described upper space and described open communication, said outer bowl is provided with the perforate connected with described lower space.
10. tail-gas after treatment apparatus as claimed in claim 9, it is characterized in that: described connecting tube includes connecting described upper space and the first connecting tube of described first cavity and the second connecting tube connecting described lower space and described first cavity, and described first connecting tube and described second connecting tube all run through described dividing plate.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201810245476.XA CN108425724B (en) | 2016-04-11 | 2016-04-11 | Tail-gas after treatment apparatus |
CN201610222131.3A CN105673150B (en) | 2016-04-11 | 2016-04-11 | Tail-gas after treatment apparatus |
Applications Claiming Priority (1)
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CN201610222131.3A CN105673150B (en) | 2016-04-11 | 2016-04-11 | Tail-gas after treatment apparatus |
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CN201810245476.XA Division CN108425724B (en) | 2016-04-11 | 2016-04-11 | Tail-gas after treatment apparatus |
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CN105673150A true CN105673150A (en) | 2016-06-15 |
CN105673150B CN105673150B (en) | 2018-06-29 |
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CN201810245476.XA Active CN108425724B (en) | 2016-04-11 | 2016-04-11 | Tail-gas after treatment apparatus |
CN201610222131.3A Active CN105673150B (en) | 2016-04-11 | 2016-04-11 | Tail-gas after treatment apparatus |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106246303A (en) * | 2016-10-12 | 2016-12-21 | 天纳克(苏州)排放系统有限公司 | Tail-gas after treatment apparatus |
CN106437967A (en) * | 2016-10-24 | 2017-02-22 | 无锡威孚力达催化净化器有限责任公司 | Honeycomb type rotational flow urea mixing device |
CN106437968A (en) * | 2016-10-24 | 2017-02-22 | 无锡威孚力达催化净化器有限责任公司 | Integrated wavy type rotational flow urea mixing device |
CN106523091A (en) * | 2016-10-24 | 2017-03-22 | 无锡威孚力达催化净化器有限责任公司 | Page window type cyclone urea mixing device |
CN106523092A (en) * | 2016-10-24 | 2017-03-22 | 无锡威孚力达催化净化器有限责任公司 | Two-blade conical surface type cyclone urea mixing device |
CN107165704A (en) * | 2017-07-27 | 2017-09-15 | 天纳克(苏州)排放系统有限公司 | Engine exhaust post-processes mixing arrangement and its after-treatment device and application |
CN107178412A (en) * | 2017-06-29 | 2017-09-19 | 杭州银轮科技有限公司 | Cartridge type SCR encapsulation inlet end assemblies are entered in side |
WO2018006718A1 (en) * | 2016-07-08 | 2018-01-11 | 天纳克(苏州)排放系统有限公司 | Tail gas aftertreatment device |
CN107676153A (en) * | 2017-09-29 | 2018-02-09 | 天纳克汽富晟(长春)汽车零部件有限公司 | Engine exhaust post processing encapsulation |
CN109184870A (en) * | 2018-11-06 | 2019-01-11 | 武汉洛特福动力技术有限公司 | The device and method that reactant is mixed with air-flow |
CN110761876A (en) * | 2018-07-25 | 2020-02-07 | 佛吉亚排气控制技术开发(上海)有限公司 | Mixer and exhaust gas aftertreatment system |
EP3760846A1 (en) | 2019-07-04 | 2021-01-06 | Donaldson Company, Inc. | System for mixing a liquid spray into a gaseous flow and exhaust aftertreatment device comprising same |
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CN111237036A (en) * | 2020-03-28 | 2020-06-05 | 无锡威孚力达催化净化器有限责任公司 | Shunting rotating urea mixing device |
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Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2018006718A1 (en) * | 2016-07-08 | 2018-01-11 | 天纳克(苏州)排放系统有限公司 | Tail gas aftertreatment device |
CN106246303B (en) * | 2016-10-12 | 2019-01-15 | 天纳克(苏州)排放系统有限公司 | Tail-gas after treatment apparatus |
CN106246303A (en) * | 2016-10-12 | 2016-12-21 | 天纳克(苏州)排放系统有限公司 | Tail-gas after treatment apparatus |
WO2018068667A1 (en) * | 2016-10-12 | 2018-04-19 | 天纳克(苏州)排放系统有限公司 | Tail gas after-treatment device |
CN106437967A (en) * | 2016-10-24 | 2017-02-22 | 无锡威孚力达催化净化器有限责任公司 | Honeycomb type rotational flow urea mixing device |
CN106437968A (en) * | 2016-10-24 | 2017-02-22 | 无锡威孚力达催化净化器有限责任公司 | Integrated wavy type rotational flow urea mixing device |
CN106523091A (en) * | 2016-10-24 | 2017-03-22 | 无锡威孚力达催化净化器有限责任公司 | Page window type cyclone urea mixing device |
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CN109184870A (en) * | 2018-11-06 | 2019-01-11 | 武汉洛特福动力技术有限公司 | The device and method that reactant is mixed with air-flow |
CN109184870B (en) * | 2018-11-06 | 2023-11-03 | 武汉洛特福动力技术有限公司 | Device and method for mixing reactant and gas flow |
EP3760846A1 (en) | 2019-07-04 | 2021-01-06 | Donaldson Company, Inc. | System for mixing a liquid spray into a gaseous flow and exhaust aftertreatment device comprising same |
WO2021003291A1 (en) | 2019-07-04 | 2021-01-07 | Donaldson Company, Inc. | System for mixing a liquid spray into a gaseous flow and exhaust aftertreatment device comprising same |
US11767783B2 (en) | 2019-07-04 | 2023-09-26 | Donaldson Company, Inc. | System for mixing a liquid spray into a gaseous flow and exhaust aftertreatment device comprising same |
Also Published As
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CN105673150B (en) | 2018-06-29 |
CN108425724A (en) | 2018-08-21 |
CN108425724B (en) | 2019-07-23 |
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