CN107084028A - Engine exhaust post-processes mixing arrangement and its after-treatment device and application - Google Patents

Engine exhaust post-processes mixing arrangement and its after-treatment device and application Download PDF

Info

Publication number
CN107084028A
CN107084028A CN201710446384.3A CN201710446384A CN107084028A CN 107084028 A CN107084028 A CN 107084028A CN 201710446384 A CN201710446384 A CN 201710446384A CN 107084028 A CN107084028 A CN 107084028A
Authority
CN
China
Prior art keywords
engine exhaust
mixing arrangement
post
exhaust
engine
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.)
Pending
Application number
CN201710446384.3A
Other languages
Chinese (zh)
Inventor
李军良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tenneco Suzhou Emission System Co Ltd
Original Assignee
Tenneco Suzhou Emission System Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tenneco Suzhou Emission System Co Ltd filed Critical Tenneco Suzhou Emission System Co Ltd
Priority to CN201710446384.3A priority Critical patent/CN107084028A/en
Priority to CN201810787160.3A priority patent/CN108930575A/en
Publication of CN107084028A publication Critical patent/CN107084028A/en
Priority to PCT/CN2018/085784 priority patent/WO2018228085A1/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/20Exhaust 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
    • F01N3/2066Selective catalytic reduction [SCR]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/24Exhaust 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
    • F01N3/28Construction of catalytic reactors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2250/00Combinations of different methods of purification
    • F01N2250/02Combinations of different methods of purification filtering and catalytic conversion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/02Adding substances to exhaust gases the substance being ammonia or urea
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/14Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1486Means 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

A kind of engine exhaust post-processes mixing arrangement, and it includes installing the mounting seat of urea nozzle and the hybrid element positioned at the downstream of the mounting seat.The hybrid element is the urea droplets to be mixed with exhaust.The engine exhaust post processing mixing arrangement also includes the fine fibre element for being located at the downstream of the mounting seat along the flow direction of exhaust gases, further to increase the broken of the urea droplets and evaporate.It is arranged such, the present invention has stronger Crystallization.The invention further relates to a kind of application of fine fibre element in the engine exhaust post-processes mixing arrangement and the exhaust post-treatment apparatus of engine with the mixing arrangement.

Description

Engine exhaust post-processes mixing arrangement and its after-treatment device and application
Technical field
The present invention relates to a kind of engine exhaust post processing mixing arrangement and its after-treatment device and application, belong to engine Exhaust gas aftertreatment techniques field.
Background technology
Current is all that urea droplets and the mixing of exhaust are reached with blender metal structure in the industry.Generally, in blender The structures such as middle setting porous plate, fin, allow the blender of urea droplets and metal structure to collide so that urea droplets are broken Smaller drop is broken into, to be conducive to evaporating and being pyrolyzed in metal surface.Present situation is due to the upgrading of Abgasgesetz so that current Urea injection strategy is more radical, for example, begin to larger urea injecting quantity under lower temperature, smaller extraction flow. Here there is the relation of heat conservation, one is heat required for urea droplets evaporation and pyrolysis, one be exhaust from The heat that upstream is brought.Due to the radicalization of above-mentioned injection strategy, the carried total amount of heat of exhaust and urea liquid fully steam The ratio between heat required for hair, pyrolysis is constantly reduced.It is EER ratio to describe this heat to one inside industry Relation between amount.In general, EER values are extremely low in the crystallization risk of 150 mixer described above.If EER is no so high, but It is that its Crystallization can improve if optimized by the structure to blender, this is also industry portion big absolutely How the R&D direction of branch company, i.e., optimize the structure design of blender.
It please join shown in Fig. 1 and Fig. 2, perforated panel 1 ' is provided with blender 3 '.The perforated panel 1 ' is provided with some supply and discharges Some perforates 2 ' that gas and the mixture of urea droplets are passed through.On the one hand, the urea droplets beaten on perforated panel 1 ' are conducive to reality Existing its crushes to obtain the urea droplets that volume is smaller, so as to be more conducive to its evaporation and be pyrolyzed.On the other hand, in order to ensure perforate Plate 1 ' possesses enough mechanical strengths, and the material part between perforate 2 ' is unavoidable.It is appreciated that in perforated panel 1 ' The back side, the flow velocity of air-flow compares relatively low, easily forms local low regime M.Theoretical and experimental results are proved, in the low speed The possibility that urea crystals occur in area M is very big.
Therefore, it is necessary to provide a kind of new solution to solve above-mentioned technical barrier.
The content of the invention
It is an object of the invention to provide a kind of stronger engine exhaust post processing mixing arrangement of Crystallization, one kind Application of the fine fibre element in the engine exhaust post-processes mixing arrangement and the engine exhaust with the mixing arrangement After-treatment device.
To achieve the above object, the present invention is adopted the following technical scheme that:A kind of engine exhaust post-processes mixing arrangement, its Including to install urea nozzle mounting seat and along flow direction of exhaust gases be located at the mounting seat downstream hybrid element, The urea nozzle is used to the urea droplets that jet atomization in mixing arrangement is post-processed to the engine exhaust, the mixing member Part is the urea droplets to be mixed with exhaust, and the engine exhaust post processing mixing arrangement is also included along the row Flow of air direction be located at the mounting seat downstream fine fibre element, wherein the fine fibre element with for it is described exhaust with And the urea droplets are passed through, further to increase the broken of the urea droplets and evaporate.
As further improved technical scheme of the present invention, the engine exhaust post processing mixing arrangement includes housing, The mounting seat formation is fixed on the housing;The hybrid element include mixing tube, the urea nozzle be used to The urea droplets of jet atomization in the mixing tube.
As further improved technical scheme of the present invention, the hybrid element also includes being socketed in the mixing tube periphery And the dividing plate in the housing, the housing is divided into positioned at the first cavity of the side of the dividing plate and positioned at institute The second cavity of the opposite side of dividing plate is stated, the part that the mixing tube is located in first cavity is provided with exhaust entrance.
As further improved technical scheme of the present invention, the mixing tube is additionally provided with the upstream after described be vented And close to some perforation of the mounting seat.
As further improved technical scheme of the present invention, the mixing tube is in hollow cylindrical shape, and the dividing plate includes Rake and vertical portion, wherein the rake is provided with the perforate passed through for the mixing tube, the vertical portion abuts in institute State on the outer wall of mixing tube.
As further improved technical scheme of the present invention, air exit is formed between the mixing tube and the housing.
As further improved technical scheme of the present invention, the fine fibre element is steel wool, and the steel wool is located at In the mixing tube.
As further improved technical scheme of the present invention, the engine exhaust post processing mixing arrangement is provided with fixed institute State some hold-down bars of steel wool.
The invention further relates to a kind of application of fine fibre element in above-mentioned engine exhaust post-processes mixing arrangement.
The invention further relates to a kind of exhaust post-treatment apparatus of engine, it includes above-mentioned engine exhaust post processing mixing Device and the selective catalytic reducing agent (SCR) positioned at the downstream of engine exhaust post processing mixing arrangement.
As further improved technical scheme of the present invention, the exhaust post-treatment apparatus of engine is also included positioned at described The upstream of engine exhaust post processing mixing arrangement and diesel oxidation catalyst (DOC) and the diesel particulate trapping being sequentially connected in series Device (DPF).
Compared to prior art, the present invention makes urea droplets on the surface of fine fibre element by setting fine fibre element Occur with inside sufficiently broken with mixing.Further, since the line footpath of fine fibre element is smaller, space is complicated, and heat transfer area is big, Urea droplets are conducive to occur relatively sufficiently heat exchange with exhaust, so as to beneficial to the evaporation and pyrolysis of urea droplets, improve resistive connection Brilliant ability.
Brief description of the drawings
Fig. 1 is to increase the diagrammatic cross-section of porous plate in mixing tube in the prior art.
Fig. 2 is the diagrammatic cross-section of porous plate in Fig. 1, wherein the exhaust indicated and the flow direction of the mixture of urea droplets with And the dead band at the back side.
Fig. 3 is the schematic perspective view of inventive engine exhaust gas post-treatment device.
Fig. 4 is Fig. 3 part isometric exploded view.
Fig. 5 is the further three-dimensional exploded views of Fig. 4.
Fig. 6 is the stereogram of engine exhaust post processing mixing arrangement in Fig. 5.
Fig. 7 is Fig. 6 right view.
Fig. 8 is Fig. 6 left view.
Fig. 9 is the diagrammatic cross-section of line A-A in Fig. 6.
Figure 10 is Fig. 6 three-dimensional exploded view.
Figure 11 is the three-dimensional exploded view of another angles of Figure 10.
Figure 12 is to remove the stereogram in Fig. 6 after housing.
Figure 13 is the schematic perspective view of fine fibre element in Figure 10.
The fine fibre element that Figure 14 is the present invention applies the schematic diagram in other exhaust gas post-treatment devices.
Embodiment
It please join shown in Fig. 3 to Figure 13, present invention is disclosed a kind of exhaust post-treatment apparatus of engine 100, for such as SCR Deng in after-treatment system to handle the tail gas of engine.The exhaust post-treatment apparatus of engine 100 is included after engine exhaust Processing mixing arrangement 10, the diesel oil oxidation for post-processing the upstream of mixing arrangement 10 positioned at the engine exhaust and being sequentially connected in series are urged Change device (DOC) 20 and diesel particulate trap (DPF) 30 and post-process mixing arrangement 10 positioned at the engine exhaust The selective catalytic reducing agent (SCR) 40 in downstream.
The engine exhaust post processing mixing arrangement 10 includes housing 1, the hybrid element 2 being installed in the housing 1 And the fine fibre element 3 to the further evaporation of increase urea droplets and pyrolysis.
In illustrative embodiments of the present invention, the housing 1 is cylindrical, and it is provided with to the sunken inside of housing 1 Installing plate 11 and the mounting seat 12 for being formed or being fixed on the housing 1.It is described in illustrative embodiments of the present invention Mounting seat 12 is welded on the installing plate 11.The hybrid element 2 is located under the mounting seat 12 along flow direction of exhaust gases Trip.The mounting seat 12 is to install urea nozzle (not shown), to be post-processed to the engine exhaust in mixing arrangement 10 The urea droplets of jet atomization.
The hybrid element 2 is the urea droplets to be mixed with exhaust.In illustrative embodiments of the present invention In, the hybrid element 2 includes mixing tube 21 and is socketed in the periphery of mixing tube 21 and the dividing plate in the housing 1 22.Urea droplets of the urea nozzle to the jet atomization into the mixing tube 21.It please join shown in Fig. 9, in present invention figure In the embodiment shown, the dividing plate 22 by the housing 1 be divided into positioned at the side of the dividing plate 22 the first cavity 110 and Positioned at the second cavity 120 of the opposite side of the dividing plate 22.
The mixing tube 21 be in hollow tubular, wherein its be located at first cavity 110 in part provided be vented into Mouth 211, some perforation 212 positioned at the upstream of the exhaust entrance 211 and the close mounting seat 12.The exhaust entrance 211 are connected with the perforation 212 with first cavity 110.Exhaust is formed between the mixing tube 21 and the housing 1 Outlet 213.Please join shown in Fig. 9, in illustrative embodiments of the present invention, the bottom of the mixing tube 21 and the housing 1 it Between be spaced a distance, to form the air exit 213.Certainly, in other embodiments, the air exit 213 It can also be arranged on the mixing tube 21 and positioned at the part of second cavity 120.In illustrative embodiments of the present invention In, the mixing tube 21 can form the mixed effect of double-cyclone, so as to add mixing distance, reduce the wind of urea crystals Danger.
The dividing plate 22 includes rake 221 and vertical portion 222, wherein the rake 221, which is provided with, supplies the mixing The perforate 223 that pipe 21 is passed through, the vertical portion 222 is abutted on the outer wall of the mixing tube 21.
It please join shown in Figure 13, in illustrative embodiments of the present invention, the fine fibre element 3 is steel wool, the steel Velvet is located in the mixing tube 21.The engine exhaust post processing mixing arrangement 10 is provided with some of the fixed steel wool Hold-down bars 4.Certainly in other embodiments, the fine fibre element 3 can also be the porous material of meshy steel wire or ceramics Material etc..
The present invention using fine fibre element 3 (such as steel wool) 3D loose structures or multiple-void structure, exhaust and The urea droplets pass through the fine fibre element 3, make urea droplets the surface of steel wool and it is internal occur it is sufficiently broken and Mixing.Further, since the line footpath of steel wool is smaller, space is complicated, and heat transfer area is big, be conducive to urea droplets and exhaust occur compared with Sufficiently heat exchange, so as to beneficial to the evaporation and pyrolysis of urea droplets, improve Crystallization.By to fine fibre element 3 The regulation of density can correspondingly adjust the back pressure of system.
Compared to structures such as antipriming pipe of the prior art and fins, the line footpath of fine fibre element 3 of the invention is all very Small (being, for example, less than 1mm), therefore the appearance of lee face can be avoided, so as to reduce urea crystals risk.This of the present invention is opened The problem of invention of opening up property both solves low regime, the problem of solving heat exchange again, with prominent substantive distinguishing features and significantly Progress.
It please join shown in Figure 14, fine fibre element 3 of the invention can also be arranged on the upstream or downstream of hybrid element 2, The hybrid element 2 is located at the downstream of urea nozzle (shown in ginseng dotted line) with fine fibre element 3, can equally realize the present invention's Purpose.The hybrid element 2 includes but is not limited to the mixed structure that blender, mixing tube etc. have existed in the prior art.Separately Outside, the hybrid element 2 can be located in blast pipe or be integrated in exhaust post-treatment apparatus of engine.
In addition, above example is merely to illustrate the present invention and not limits technical scheme described in the invention, to this The understanding of specification should be based on person of ordinary skill in the field, although this specification is with reference to the above embodiments pair Present invention has been detailed description, still, it will be understood by those within the art that, the technology of art Personnel still can modify or equivalent substitution to the present invention, and all do not depart from the technology of the spirit and scope of the present invention Scheme and its improvement, all should cover in scope of the presently claimed invention.

Claims (11)

1. a kind of engine exhaust post-processes mixing arrangement, it includes installing the mounting seat of urea nozzle and along exhaust stream Dynamic direction is located at the hybrid element in the downstream of the mounting seat, and the urea nozzle, which is used to post-process to the engine exhaust, mixes The urea droplets for putting middle jet atomization are attached together, the hybrid element is the urea droplets to be mixed with exhaust, and it is special Levy and be:The engine exhaust post processing mixing arrangement also includes being located under the mounting seat along the flow direction of exhaust gases The fine fibre element of trip, wherein the fine fibre element with for it is described exhaust and the urea droplets pass through, with further Increase the broken of the urea droplets and evaporate.
2. engine exhaust as claimed in claim 1 post-processes mixing arrangement, it is characterised in that:Locate after the engine exhaust Managing mixing arrangement includes housing, and the mounting seat is formed or is fixed on the housing;The hybrid element includes mixing tube, Urea droplets of the urea nozzle to the jet atomization into the mixing tube.
3. engine exhaust as claimed in claim 2 post-processes mixing arrangement, it is characterised in that:The hybrid element also includes The mixing tube periphery and the dividing plate in the housing are socketed in, the housing is divided into positioned at the side of the dividing plate The first cavity and opposite side positioned at the dividing plate the second cavity, the mixing tube is located at the portion in first cavity It is arranged with exhaust entrance.
4. engine exhaust as claimed in claim 3 post-processes mixing arrangement, it is characterised in that:The mixing tube is additionally provided with position In the upstream after described be vented and close to some perforation of the mounting seat.
5. engine exhaust as claimed in claim 3 post-processes mixing arrangement, it is characterised in that:The mixing tube is in hollow Cylindrical shape, the dividing plate includes rake and vertical portion, wherein the rake is provided with the perforate passed through for the mixing tube, The vertical portion is abutted on the outer wall of the mixing tube.
6. engine exhaust as claimed in claim 1 post-processes mixing arrangement, it is characterised in that:The mixing tube and the shell Air exit is formed between body.
7. engine exhaust as claimed in claim 3 post-processes mixing arrangement, it is characterised in that:The fine fibre element is steel Velvet, the steel wool is located in the mixing tube.
8. engine exhaust as claimed in claim 7 post-processes mixing arrangement, it is characterised in that:Locate after the engine exhaust Manage some hold-down bars of the mixing arrangement provided with the fixed steel wool.
9. a kind of application of fine fibre element in engine exhaust post-processes mixing arrangement, it is characterised in that the engine Exhaust aftertreatment mixing arrangement is the engine exhaust post processing mixing arrangement described in any one in claim 1 to 8.
10. a kind of exhaust post-treatment apparatus of engine, it includes the engine as described in any one in claim 1 to 8 Exhaust aftertreatment mixing arrangement and the SCR positioned at the downstream of engine exhaust post processing mixing arrangement Agent (SCR).
11. exhaust post-treatment apparatus of engine as claimed in claim 10, it is characterised in that:The engine exhaust post processing Device also includes being located at the diesel oxidation catalyst that the engine exhaust post-processes the upstream of mixing arrangement and is sequentially connected in series And diesel particulate trap (DPF) (DOC).
CN201710446384.3A 2017-06-14 2017-06-14 Engine exhaust post-processes mixing arrangement and its after-treatment device and application Pending CN107084028A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201710446384.3A CN107084028A (en) 2017-06-14 2017-06-14 Engine exhaust post-processes mixing arrangement and its after-treatment device and application
CN201810787160.3A CN108930575A (en) 2017-06-14 2017-06-14 Engine exhaust post-processes mixing arrangement
PCT/CN2018/085784 WO2018228085A1 (en) 2017-06-14 2018-05-07 Engine exhaust post-processing mixing device, and post-processing device and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710446384.3A CN107084028A (en) 2017-06-14 2017-06-14 Engine exhaust post-processes mixing arrangement and its after-treatment device and application

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201810787160.3A Division CN108930575A (en) 2017-06-14 2017-06-14 Engine exhaust post-processes mixing arrangement

Publications (1)

Publication Number Publication Date
CN107084028A true CN107084028A (en) 2017-08-22

Family

ID=59606898

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201710446384.3A Pending CN107084028A (en) 2017-06-14 2017-06-14 Engine exhaust post-processes mixing arrangement and its after-treatment device and application
CN201810787160.3A Pending CN108930575A (en) 2017-06-14 2017-06-14 Engine exhaust post-processes mixing arrangement

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201810787160.3A Pending CN108930575A (en) 2017-06-14 2017-06-14 Engine exhaust post-processes mixing arrangement

Country Status (2)

Country Link
CN (2) CN107084028A (en)
WO (1) WO2018228085A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108468584A (en) * 2018-05-04 2018-08-31 博格思众智能装备(昆山)有限公司 It is atomized mixing tube and cleaning device of tail gas of diesel vehicle
CN108625957A (en) * 2018-07-03 2018-10-09 天纳克(苏州)排放***有限公司 Engine exhaust post-processes mixing arrangement and its manufacturing method
CN108625956A (en) * 2018-07-03 2018-10-09 天纳克(苏州)排放***有限公司 Engine exhaust post-processes mixing arrangement and its after-treatment device and application
WO2018228085A1 (en) * 2017-06-14 2018-12-20 天纳克(苏州)排放***有限公司 Engine exhaust post-processing mixing device, and post-processing device and application thereof
US10287948B1 (en) 2018-04-23 2019-05-14 Faurecia Emissions Control Technologies, Usa, Llc High efficiency mixer for vehicle exhaust system
US10316721B1 (en) 2018-04-23 2019-06-11 Faurecia Emissions Control Technologies, Usa, Llc High efficiency mixer for vehicle exhaust system
CN111140324A (en) * 2020-01-20 2020-05-12 广西玉柴机器股份有限公司 Diesel engine aftertreatment blender
WO2021189795A1 (en) * 2020-03-24 2021-09-30 天纳克(苏州)排放***有限公司 Diesel engine tail gas after treatment apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110836137A (en) * 2019-07-30 2020-02-25 万向通达股份公司 Vehicle post processor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0606116D0 (en) * 2006-03-28 2006-05-03 Arvinmeritor A & Et Ltd A mixing chamber for an exhaust system
US8033104B2 (en) * 2008-07-09 2011-10-11 Ford Global Technologies, Llc Selective catalytic reduction (SCR) catalyst injection systems
CN201581966U (en) * 2009-09-25 2010-09-15 中国第一汽车集团公司 Combination structure of automobile tail gas catalytic reduction postprocessor
CN102345488B (en) * 2011-09-14 2016-04-20 中国第一汽车股份有限公司 The mixed cell of foam metal bulb tube combination and manufacturing process thereof
CN205714373U (en) * 2016-06-13 2016-11-23 天纳克(苏州)排放***有限公司 Exhaust aftertreatment mixing arrangement
CN206035585U (en) * 2016-08-26 2017-03-22 天津杰特汽车三元催化器有限公司 Three way catalyst converter of crashproof vibration
CN206016918U (en) * 2016-08-30 2017-03-15 无锡威孚力达催化净化器有限责任公司 A kind of carbamide injection mixed cell for cartridge type depurator
CN206129367U (en) * 2016-10-12 2017-04-26 天纳克(苏州)排放***有限公司 Exhaust aftertreatment device
CN106523092B (en) * 2016-10-24 2019-04-23 无锡威孚力达催化净化器有限责任公司 The conical surface type eddy flow urea mixing devices of page two
CN106640301A (en) * 2017-02-22 2017-05-10 天纳克(苏州)排放***有限公司 Tail gas post-treatment device
CN207093184U (en) * 2017-06-14 2018-03-13 天纳克(苏州)排放***有限公司 Engine exhaust post-processes mixing arrangement and its after-treatment device
CN107084028A (en) * 2017-06-14 2017-08-22 天纳克(苏州)排放***有限公司 Engine exhaust post-processes mixing arrangement and its after-treatment device and application

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018228085A1 (en) * 2017-06-14 2018-12-20 天纳克(苏州)排放***有限公司 Engine exhaust post-processing mixing device, and post-processing device and application thereof
US10287948B1 (en) 2018-04-23 2019-05-14 Faurecia Emissions Control Technologies, Usa, Llc High efficiency mixer for vehicle exhaust system
US10316721B1 (en) 2018-04-23 2019-06-11 Faurecia Emissions Control Technologies, Usa, Llc High efficiency mixer for vehicle exhaust system
CN108468584A (en) * 2018-05-04 2018-08-31 博格思众智能装备(昆山)有限公司 It is atomized mixing tube and cleaning device of tail gas of diesel vehicle
CN108625957A (en) * 2018-07-03 2018-10-09 天纳克(苏州)排放***有限公司 Engine exhaust post-processes mixing arrangement and its manufacturing method
CN108625956A (en) * 2018-07-03 2018-10-09 天纳克(苏州)排放***有限公司 Engine exhaust post-processes mixing arrangement and its after-treatment device and application
CN111140324A (en) * 2020-01-20 2020-05-12 广西玉柴机器股份有限公司 Diesel engine aftertreatment blender
WO2021189795A1 (en) * 2020-03-24 2021-09-30 天纳克(苏州)排放***有限公司 Diesel engine tail gas after treatment apparatus

Also Published As

Publication number Publication date
CN108930575A (en) 2018-12-04
WO2018228085A1 (en) 2018-12-20

Similar Documents

Publication Publication Date Title
CN107084028A (en) Engine exhaust post-processes mixing arrangement and its after-treatment device and application
CN107165704A (en) Engine exhaust post-processes mixing arrangement and its after-treatment device and application
US10408110B2 (en) Reductant decomposition reactor chamber
US10024213B2 (en) Diesel exhaust fluid deposit mitigation
CN107255043A (en) Engine exhaust post processing encapsulation and application
JP5866031B2 (en) Internal combustion engine exhaust gas system and method for formulating a reducing agent added to an internal combustion engine exhaust gas
EP2252779B1 (en) Metering device for pollution reduction in exhaust gases
CN107165705A (en) Engine exhaust post-processes mixing arrangement and its after-treatment device and application
JP2007032472A (en) Exhaust gas treatment device using urea water
CN106103927B (en) Selective catalytic reduction system operating for nitrogen oxides in the oxygen-rich exhaust of internal combustion engine
BR112014026166B1 (en) EXHAUST TREATMENT DEVICE
CN110017199A (en) Exhaust gas post-treatment device
CN104755715B (en) Exhaust-gas cleaning
EP2983809A1 (en) Reductant injection in an exhaust system
CN106640301A (en) Tail gas post-treatment device
CN107165707A (en) Engine exhaust post-processes mixing arrangement and its after-treatment device and application
CN206487537U (en) Tail-gas after treatment apparatus
CN215719045U (en) Mixer and engine exhaust aftertreatment system
CN107178413A (en) Engine exhaust post processing encapsulation and application
CN207178009U (en) Engine exhaust post processing encapsulation
CN207093184U (en) Engine exhaust post-processes mixing arrangement and its after-treatment device
CN107299852A (en) Engine exhaust post-processes mixing arrangement and its after-treatment device and application
CN207178008U (en) Engine exhaust post-processes mixing arrangement and its after-treatment device
CN207178006U (en) Engine exhaust post-processes mixing arrangement and its after-treatment device
CN207178007U (en) Engine exhaust post-processes mixing arrangement and its after-treatment device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170822

WD01 Invention patent application deemed withdrawn after publication