CN107255043A - Engine exhaust post processing encapsulation and application - Google Patents
Engine exhaust post processing encapsulation and application Download PDFInfo
- Publication number
- CN107255043A CN107255043A CN201710624800.4A CN201710624800A CN107255043A CN 107255043 A CN107255043 A CN 107255043A CN 201710624800 A CN201710624800 A CN 201710624800A CN 107255043 A CN107255043 A CN 107255043A
- Authority
- CN
- China
- Prior art keywords
- engine exhaust
- post processing
- exhaust post
- hybrid chamber
- chamber component
- 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.)
- Withdrawn
Links
Classifications
-
- 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]
-
- 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
-
- 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
- F01N2610/1486—Means to prevent the substance from freezing
Abstract
A kind of engine exhaust post processing encapsulation, it includes the first aftertreatment assembly, the first hybrid chamber component and the mixing tube connected with the first hybrid chamber component, wherein the mixing tube includes the cyclone pipe being at least partially disposed in the first hybrid chamber component.The cyclone pipe includes hollow inner chamber body and is centered around peripheral and circumferentially distributed some fins of the inner chamber body.The first hybrid chamber component includes the mounting seat to install urea nozzle, urea droplets of the urea nozzle to the jet atomization into the mixing tube.Engine exhaust post processing encapsulation also includes the fine fibre element being located in the mixing tube, wherein the fine fibre element is passed through with for the exhaust and the urea droplets, 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 encapsulation.
Description
Technical field
The present invention relates to a kind of engine exhaust post processing encapsulation and application, belong to engine exhaust post-processing technology neck
Domain.
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 encapsulation of Crystallization and one kind
Application of the fine fibre element in the engine exhaust post-processes encapsulation.
To achieve the above object, the present invention is adopted the following technical scheme that：A kind of engine exhaust post processing encapsulation, it includes
First aftertreatment assembly, the first hybrid chamber component connected with first aftertreatment assembly and with the first hybrid chamber group
The mixing tube of part connection, wherein the mixing tube includes the cyclone pipe being at least partially disposed in the first hybrid chamber component, institute
Stating cyclone pipe includes hollow inner chamber body and is centered around peripheral and circumferentially distributed some fins of the inner chamber body, described
First hybrid chamber component includes the mounting seat to install urea nozzle, and the urea nozzle is used to spray into the mixing tube
The urea droplets of atomization, the engine exhaust post processing encapsulation also includes the fine fibre element being located in the mixing tube, its
Described in fine fibre element with for it is described exhaust and the urea droplets pass through, further to increase the urea droplets
Broken and evaporation.
As further improved technical scheme of the present invention, the cyclone pipe include corresponding to some fins and with institute
State some flutings of inner chamber body connection and positioned at the side of the fin and close to some perforates of the mounting seat.
As further improved technical scheme of the present invention, the cyclone pipe is tapered.
As further improved technical scheme of the present invention, the mixing tube includes the connection being connected with the cyclone pipe
Pipe, the fine fibre element is located in the connecting tube.
As further improved technical scheme of the present invention, the fine fibre element is steel wool or foam metal.
As further improved technical scheme of the present invention, the engine exhaust post processing encapsulation is provided with fixed described thin
Some hold-down bars of fibre element.
As further improved technical scheme of the present invention, engine exhaust post processing encapsulation also includes and described the
The second aftertreatment assembly that one aftertreatment assembly is arranged side by side and the second hybrid chamber connected with second aftertreatment assembly
Component, the mixing tube is connected between the first hybrid chamber component and the second hybrid chamber component；After described first
Processing assembly is mixed with second aftertreatment assembly by the first hybrid chamber component, the mixing tube and described second
Chamber component realizes series connection.
As further improved technical scheme of the present invention, first aftertreatment assembly includes diesel oxidation catalyst
And/or diesel particulate trap, second aftertreatment assembly include selective catalytic reducing agent.
The invention further relates to a kind of application of fine fibre element in above-mentioned engine exhaust post-processes encapsulation.
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 aftertreatment encapsulation.
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 left view of the first hybrid chamber component and mixing tube in Fig. 5.
Fig. 7 is the right view of the first hybrid chamber component and mixing tube in Fig. 5.
Fig. 8 is the front view of the first hybrid chamber component and mixing tube in Fig. 5.
Fig. 9 is the diagrammatic cross-section of line A-A in Fig. 6.
Figure 10 is the schematic perspective view of mixing tube and fine fibre element.
Figure 11 is the three-dimensional exploded view of the first hybrid chamber component and mixing tube in Fig. 5.
Embodiment
It please join shown in Fig. 3 to Figure 11, present invention is disclosed a kind of engine exhaust post processing encapsulation 100, for such as SCR
Deng in after-treatment system to handle the tail gas of engine.In illustrative embodiments of the present invention, locate after the engine exhaust
Reason encapsulation 100 includes the first aftertreatment assembly 1, the first hybrid chamber component 2 connected with first aftertreatment assembly 1 and institute
State the second aftertreatment assembly 3 that the first aftertreatment assembly 1 is arranged side by side, second mixing of being connected with second aftertreatment assembly 3
Close the mixing tube 5 of chamber component 4 and the connection first, second hybrid chamber component 2,4.First aftertreatment assembly 1 and institute
State the second aftertreatment assembly 3 and realize series connection by the first, second hybrid chamber component 2,4 and the mixing tube 5.
In illustrative embodiments of the present invention, first aftertreatment assembly 1 includes the first housing 11, the second housing
12nd, the oxidized form catalyst (DOC) being installed in first housing 11, the particle being installed in second housing 12
Trap (DPF) and the exhaust gas intake port 15 positioned at the oxidized form catalyst upstream.Wherein, the oxidized form catalysis
Converter is located at the upstream of the grain catcher, to provide suitable temperature when the grain catcher regenerates.
In illustrative embodiments of the present invention, second aftertreatment assembly 3 include the 3rd housing 31, be installed on it is described
Selective catalytic reducing agent (SCR) 32 in 3rd housing 31 and the exhaust positioned at the downstream of selective catalytic reducing agent 32
Outlet 33.
In illustrative embodiments of the present invention, the shape of the first hybrid chamber component 2 and the second hybrid chamber component 4
Shape is roughly the same.The first hybrid chamber component 2 by the exhaust from first aftertreatment assembly 1 to be oriented to the mixing
Pipe 5.The first hybrid chamber component 2 is just being provided with to install urea nozzle (not shown) to the position of the mixing tube 5
Mounting seat 21, urea droplets of the urea nozzle to the jet atomization into the mixing tube 5.
The mixing tube 5 include being at least partially disposed at cyclone pipe 51 in the first hybrid chamber component 2 and with it is described
The connecting tube 52 that cyclone pipe 51 is connected.In illustrative embodiments of the present invention, the cyclone pipe 51 is tapered, during it includes
If empty inner chamber body 511, being centered around peripheral and circumferentially distributed some fins 512 of the inner chamber body 511, corresponding to described
Dry fin 512 and some flutings 513 for being connected with the inner chamber body 511 and positioned at the side of the fin 512 and close to peace
Fill some perforates 514 of seat 21.In illustrative embodiments of the present invention, the fin 512 can form the mixing effect of eddy flow
Really, so as to add mixing distance, the risk of urea crystals is reduced.
The engine exhaust post processing encapsulation 100 also includes the fine fibre element 6 being located in the mixing tube 5, wherein
The fine fibre element 6 with for it is described exhaust and the urea droplets pass through, further to increase the urea droplets
Broken and evaporation.In illustrative embodiments of the present invention, the fine fibre element 6 is steel wool or foam metal, institute
Fine fibre element 6 is stated in the connecting tube 52.The engine exhaust post processing encapsulation 100 is provided with the fixed fine fibre
Some hold-down bars 7 of element 6.Certainly in other embodiments, the fine fibre element 6 can also be meshy steel wire or pottery
Porous material of porcelain etc..
The present invention using fine fibre element 6 (such as steel wool) 3D loose structures or multiple-void structure, exhaust and
The urea droplets pass through the fine fibre element 6, make urea droplets the surface of steel wool and it is internal occur it is sufficiently broken and
Mixing.In addition, the line footpath of steel wool is smaller, space is complicated, and specific surface area is big.Because specific surface area is big, in limited space
Bigger heat exchange area can be createed, is conducive to urea droplets to occur relatively sufficiently heat exchange with exhaust, so that beneficial to urea solution
The evaporation and pyrolysis of drop, improve Crystallization.It can correspondingly be adjusted by the regulation of the density to fine fibre element 6 and be
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 6 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.
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 (9)
1. a kind of engine exhaust post processing encapsulation, it includes the first aftertreatment assembly, connected with first aftertreatment assembly
The first hybrid chamber component and the mixing tube that is connected with the first hybrid chamber component, wherein the mixing tube includes at least portion
Divide the cyclone pipe being located in the first hybrid chamber component, the cyclone pipe is including hollow inner chamber body and is centered around in described
Peripheral and circumferentially distributed some fins of cavity, the first hybrid chamber component includes the installation to install urea nozzle
Seat, urea droplets of the urea nozzle to the jet atomization into the mixing tube, it is characterised in that：The engine exhaust
Post processing encapsulation also includes the fine fibre element being located in the mixing tube, wherein the fine fibre element is with for the exhaust
And the urea droplets are passed through, further to increase the broken of the urea droplets and evaporate.
2. engine exhaust post processing encapsulation as claimed in claim 1, it is characterised in that：The cyclone pipe includes corresponding to institute
Some flutings for stating some fins and being connected with the inner chamber body and positioned at the side of the fin and close to the mounting seat
Some perforates.
3. engine exhaust post processing encapsulation as claimed in claim 1, it is characterised in that：The cyclone pipe is tapered.
4. engine exhaust post processing encapsulation as claimed in claim 1, it is characterised in that：The mixing tube includes and the rotation
The connecting tube that flow tube is connected, the fine fibre element is located in the connecting tube.
5. engine exhaust post processing encapsulation as claimed in claim 1, it is characterised in that：The fine fibre element is steel wool
Or foam metal.
6. engine exhaust post processing encapsulation as claimed in claim 1, it is characterised in that：The engine exhaust post processing envelope
It is equiped with some hold-down bars of the fixed fine fibre element.
7. engine exhaust post processing encapsulation as claimed in claim 1, it is characterised in that：The engine exhaust post processing envelope
Dress also include the second aftertreatment assembly for being arranged side by side with first aftertreatment assembly and with second aftertreatment assembly
Second hybrid chamber component of connection, the mixing tube is connected to the first hybrid chamber component and the second hybrid chamber component
Between；First aftertreatment assembly is with second aftertreatment assembly by the first hybrid chamber component, the mixing tube
And the second hybrid chamber component realizes series connection.
8. engine exhaust post processing encapsulation as claimed in claim 7, it is characterised in that：First aftertreatment assembly includes
Diesel oxidation catalyst and/or diesel particulate trap, second aftertreatment assembly include selective catalytic reducing agent.
9. a kind of application of fine fibre element in engine exhaust post-processes encapsulation, it is characterised in that the engine exhaust
Post processing is encapsulated as in claim 1 to 8 the engine exhaust post processing encapsulation described in any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624800.4A CN107255043A (en) | 2017-07-27 | 2017-07-27 | Engine exhaust post processing encapsulation and application |
| PCT/CN2018/084373 WO2019019724A1 (en) | 2017-07-27 | 2018-04-25 | Engine exhaust after-treatment package and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624800.4A CN107255043A (en) | 2017-07-27 | 2017-07-27 | Engine exhaust post processing encapsulation and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107255043A true CN107255043A (en) | 2017-10-17 |
Family
ID=60026066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710624800.4A Withdrawn CN107255043A (en) | 2017-07-27 | 2017-07-27 | Engine exhaust post processing encapsulation and application |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107255043A (en) |
| WO (1) | WO2019019724A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019019724A1 (en) * | 2017-07-27 | 2019-01-31 | 天纳克（苏州）排放系统有限公司 | Engine exhaust after-treatment package and application thereof |
| WO2019140895A1 (en) * | 2018-01-19 | 2019-07-25 | 天纳克（苏州）排放系统有限公司 | Exhaust gas aftertreatment device |
| WO2019140892A1 (en) * | 2018-01-19 | 2019-07-25 | 天纳克（苏州）排放系统有限公司 | Exhaust aftertreatment apparatus |
| WO2019140894A1 (en) * | 2018-01-19 | 2019-07-25 | 天纳克（苏州）排放系统有限公司 | Exhaust gas aftertreatment device |
| WO2019144600A1 (en) * | 2018-01-26 | 2019-08-01 | 天纳克（苏州）排放系统有限公司 | Exhaust after-treatment device |
| WO2019144602A1 (en) * | 2018-01-26 | 2019-08-01 | 天纳克（苏州）排放系统有限公司 | Exhaust aftertreatment device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345488A (en) * | 2011-09-14 | 2012-02-08 | 中国第一汽车股份有限公司 | Mixed unit of foam metal ball pipe assembly |
| CN204312165U (en) * | 2014-12-19 | 2015-05-06 | 天纳克（苏州）排放系统有限公司 | Engine exhaust after-treatment system |
| CN104755716A (en) * | 2012-10-26 | 2015-07-01 | 戴姆勒股份公司 | Device for storing and delivering a liquid additive, in particular for catalytic exhaust gas nox removal in a motor vehicle |
| KR101597181B1 (en) * | 2014-09-05 | 2016-03-07 | 대지금속 주식회사 | After-treatment apparatus of engine-exhaust gas used in CNG vehicle |
| CN106368773A (en) * | 2016-08-30 | 2017-02-01 | 潍柴动力股份有限公司 | Engine and double-whirl mixing device thereof |
| CN106731932A (en) * | 2016-12-28 | 2017-05-31 | 潍柴动力股份有限公司 | A kind of SCR urea liquids blender |
| CN207178009U (en) * | 2017-07-27 | 2018-04-03 | 天纳克（苏州）排放系统有限公司 | Engine exhaust post processing encapsulation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT15067U3 (en) * | 2012-10-08 | 2017-10-15 | Avl List Gmbh | exhaust gas cleaning device |
| CN106460367A (en) * | 2014-06-09 | 2017-02-22 | 沃尔沃建造设备有限公司 | Construction vehicle |
| CN105089750B (en) * | 2015-08-21 | 2018-04-06 | 天纳克（苏州）排放系统有限公司 | exhaust gas treatment device |
| CN107255043A (en) * | 2017-07-27 | 2017-10-17 | 天纳克（苏州）排放系统有限公司 | Engine exhaust post processing encapsulation and application |
-
2017
- 2017-07-27 CN CN201710624800.4A patent/CN107255043A/en not_active Withdrawn
-
2018
- 2018-04-25 WO PCT/CN2018/084373 patent/WO2019019724A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345488A (en) * | 2011-09-14 | 2012-02-08 | 中国第一汽车股份有限公司 | Mixed unit of foam metal ball pipe assembly |
| CN104755716A (en) * | 2012-10-26 | 2015-07-01 | 戴姆勒股份公司 | Device for storing and delivering a liquid additive, in particular for catalytic exhaust gas nox removal in a motor vehicle |
| KR101597181B1 (en) * | 2014-09-05 | 2016-03-07 | 대지금속 주식회사 | After-treatment apparatus of engine-exhaust gas used in CNG vehicle |
| CN204312165U (en) * | 2014-12-19 | 2015-05-06 | 天纳克（苏州）排放系统有限公司 | Engine exhaust after-treatment system |
| CN106368773A (en) * | 2016-08-30 | 2017-02-01 | 潍柴动力股份有限公司 | Engine and double-whirl mixing device thereof |
| CN106731932A (en) * | 2016-12-28 | 2017-05-31 | 潍柴动力股份有限公司 | A kind of SCR urea liquids blender |
| CN207178009U (en) * | 2017-07-27 | 2018-04-03 | 天纳克（苏州）排放系统有限公司 | Engine exhaust post processing encapsulation |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019019724A1 (en) * | 2017-07-27 | 2019-01-31 | 天纳克（苏州）排放系统有限公司 | Engine exhaust after-treatment package and application thereof |
| WO2019140895A1 (en) * | 2018-01-19 | 2019-07-25 | 天纳克（苏州）排放系统有限公司 | Exhaust gas aftertreatment device |
| WO2019140892A1 (en) * | 2018-01-19 | 2019-07-25 | 天纳克（苏州）排放系统有限公司 | Exhaust aftertreatment apparatus |
| WO2019140894A1 (en) * | 2018-01-19 | 2019-07-25 | 天纳克（苏州）排放系统有限公司 | Exhaust gas aftertreatment device |
| WO2019144600A1 (en) * | 2018-01-26 | 2019-08-01 | 天纳克（苏州）排放系统有限公司 | Exhaust after-treatment device |
| WO2019144602A1 (en) * | 2018-01-26 | 2019-08-01 | 天纳克（苏州）排放系统有限公司 | Exhaust aftertreatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019019724A1 (en) | 2019-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107255043A (en) | Engine exhaust post processing encapsulation and application | |
| CN107084028A (en) | Engine exhaust post-processes mixing arrangement and its after-treatment device 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 | |
| CN104321507B (en) | Integrated exhaust gas processing unit with cramped construction | |
| CN106574541A (en) | Insulated cover for mixer assembly | |
| CN107165704A (en) | Engine exhaust post-processes mixing arrangement and its after-treatment device and application | |
| CN107165705A (en) | Engine exhaust post-processes mixing arrangement and its after-treatment device and application | |
| EP3508705B1 (en) | Double-swirl mixing device | |
| CN106640301A (en) | Tail gas post-treatment device | |
| CN107178413A (en) | Engine exhaust post processing encapsulation and application | |
| CN106731932B (en) | SCR urea solution mixer | |
| CN213669067U (en) | Mixer and exhaust system including same | |
| CN207178009U (en) | Engine exhaust post processing encapsulation | |
| CN107165707A (en) | Engine exhaust post-processes mixing arrangement and its after-treatment device and application | |
| CN206987922U (en) | Engine exhaust post-processes mixing arrangement and its after-treatment device | |
| CN210317450U (en) | Tail gas aftertreatment device | |
| CN215719045U (en) | Mixer and engine exhaust aftertreatment system | |
| CN207093184U (en) | Engine exhaust post-processes mixing arrangement and its after-treatment device | |
| CN108194176B (en) | A kind of mixing arrangement for square box structure | |
| CN206987931U (en) | Engine exhaust post processing encapsulation | |
| CN207178006U (en) | Engine exhaust post-processes mixing arrangement and its after-treatment device | |
| CN110259555A (en) | Tail-gas after treatment apparatus | |
| CN210889080U (en) | Liquid-gas mixing device | |
| CN207178007U (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 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171017 |
|
| WW01 | Invention patent application withdrawn after publication |