CN109973195A - Exhaust post-treatment apparatus of engine - Google Patents
Exhaust post-treatment apparatus of engine Download PDFInfo
- Publication number
- CN109973195A CN109973195A CN201711458294.2A CN201711458294A CN109973195A CN 109973195 A CN109973195 A CN 109973195A CN 201711458294 A CN201711458294 A CN 201711458294A CN 109973195 A CN109973195 A CN 109973195A
- Authority
- CN
- China
- Prior art keywords
- engine
- treatment apparatus
- exhaust post
- cavity
- cylinder assembly
- 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
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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
A kind of exhaust post-treatment apparatus of engine comprising shell and aftertreatment assembly.The aftertreatment assembly includes the first cylinder assembly, and first cylinder assembly includes the diesel oxidation catalyst component being connected with import and the diesel particulate filter component positioned at downstream.The shell is equipped with an end face to safeguard and the accommodating chamber through the end face.First cylinder assembly is removably installed in the accommodating chamber.First cylinder assembly further includes the sleeve for being connected to the diesel oxidation catalyst component, and the diesel particulate filter component is removably installed in the sleeve.So set, easy to disassemble.
Description
Technical field
The present invention relates to a kind of exhaust post-treatment apparatus of engine, belong to exhaust aftertreatment technical field.
Background technique
Exhaust post-treatment apparatus of engine (such as diesel engine exhausting after-treatment device) is primarily used to handle or purification is arranged
Toxic and harmful substance device in gas.Harmful toxic matter in exhaust mainly includes hydrocarbon, carbon monoxide, nitrogen oxides
And particulate matter etc..
Have in the prior art using diesel oxidation catalyst (DOC), diesel particulate filter (DPF) and selection
Property catalysis reduction (SCR) scheme that is combined improve the efficiency of gas exhaust treatment.Diesel particulate filter holds after long-term use
Blocking is easily led to, to influence the performance of entire after-treatment device, industry usually requires to be designed to detachable structure,
Consequently facilitating maintenance.
Summary of the invention
The purpose of the present invention is to provide a kind of exhaust post-treatment apparatus of engine being readily disassembled.
To achieve the above object, the present invention adopts the following technical scheme: a kind of exhaust post-treatment apparatus of engine comprising
Shell and be located at the intracorporal aftertreatment assembly of the shell, wherein the shell includes being connected to the exhaust with engine
Import, the aftertreatment assembly include the first cylinder assembly, and first cylinder assembly includes the bavin being connected with the import
Oil machine oxidation catalysis device assembly and positioned at the diesel oxidation catalyst component downstream and urged with the oxidative diesel
Change the diesel particulate filter component that device assembly is connected, wherein the diesel particulate filter component and the oxidative diesel
It is catalyzed device assembly setting on the same line, the shell is equipped with an end face to safeguard and the receipts through the end face
Cavity, first cylinder assembly are removably installed in the accommodating chamber, and first cylinder assembly further includes being connected to
The sleeve of the diesel oxidation catalyst component and the mounting flange being fixed on the sleeve, the diesel particulate filtering
Device assembly is removably installed in the sleeve, and first cylinder assembly is realized by the mounting flange and fixed.
Technical solution as a further improvement of that present invention, the mounting flange are welded on the sleeve.
Technical solution as a further improvement of that present invention, the sleeve are equipped with the flange positioned at outside, the engine
Exhaust gas post-treatment device includes the washer being pressed on the flange and the end cap that is pressed on the washer.
Technical solution as a further improvement of that present invention, the exhaust post-treatment apparatus of engine are equipped with across the peace
Dress flange, the washer and the end cap with bolt that the diesel particulate filter component is fixed and with it is described
The nut that bolt matches.
Technical solution as a further improvement of that present invention, the mounting flange are equipped with the first mounting hole, and the washer is set
The boss that the oriented end cap extends and the second mounting hole through the boss, the end cap are equipped with to the washer punching press
The countersink region of formation, the countersink region are equipped with third mounting hole, wherein the first mounting hole described in the screw bolt passes, described
Second mounting hole and the third mounting hole simultaneously realize fixation with the nut in the countersink region.
Technical solution as a further improvement of that present invention, the exhaust post-treatment apparatus of engine include being located at the bavin
First cavity in the downstream of oil particles filter assemblies, positioned at first cavity side the second cavity, with described second
Cyclone pipe that cavity is connected, the third cavity being connected with the cyclone pipe, be connected with the third cavity at least one
A second cylinder assembly and the outlet being connected with second cylinder assembly.
Technical solution as a further improvement of that present invention, the mounting flange be equipped be connected to first cavity with it is described
First intercommunicating pore of the second cavity.
Technical solution as a further improvement of that present invention, the washer are equipped with second be aligned with first intercommunicating pore
Intercommunicating pore.
Technical solution as a further improvement of that present invention, the end cap be equipped with protruded out into first cavity and to
Force the arcwall that air-flow is reversed.
Technical solution as a further improvement of that present invention, the exhaust post-treatment apparatus of engine further include positioned at described
Steel wool in cyclone pipe；Second cylinder assembly includes selective catalytic reduction component.
Compared to the prior art, the present invention, which passes through, is arranged demountable first cylinder assembly, and wherein again by diesel oil
Particle filter assembly is removably installed in sleeve, on the one hand provide to disassembly diesel particulate filter component larger
Convenience；On the other hand diesel oxidation catalyst component can also be dismantled.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of inventive engine exhaust gas post-treatment device.
Fig. 2 is the stereoscopic schematic diagram of another angle of Fig. 1.
Fig. 3 is the part isometric exploded view of Fig. 1.
Fig. 4 is the further stereogram exploded view of Fig. 3.
Fig. 5 is the explosive view of Fig. 4.
Fig. 6 is the main view of Fig. 1.
Fig. 7 is the perspective view of Fig. 3 middle washer.
Fig. 8 is the diagrammatic cross-section of the line A-A along Fig. 6.
Fig. 9 is the diagrammatic cross-section of the line B-B along Fig. 6.
Figure 10 is the diagrammatic cross-section of the line C-C along Fig. 6.
Specific embodiment
It please join shown in Fig. 1 to Figure 10, present invention discloses a kind of exhaust post-treatment apparatus of engine 100 comprising shell 1
And the aftertreatment assembly in the shell 1.Wherein, the shell 1 includes being connected to the exhaust with engine
Import 10.The aftertreatment assembly includes the first cylinder assembly 11 and be arranged side by side with first cylinder assembly 11 two
Second cylinder assembly 12.
In illustrative embodiments of the present invention, first cylinder assembly 11 includes the bavin being connected with the import 10
Oil machine oxidation catalysis device assembly 2 and positioned at the diesel oxidation catalyst component 2 downstream and with the oxidative diesel
The diesel particulate filter component 3 that catalysis device assembly 2 is connected, wherein the diesel particulate filter component 3 and the diesel oil
Machine oxidation catalysis device assembly 2 is arranged on the same line.Second cylinder assembly 12 includes selective catalytic reduction component.
The shell 1 is equipped with an end face 13 to safeguard and the accommodating chamber 14 through the end face 13.Described
One cylinder assembly 11 is removably installed in the accommodating chamber 14, and first cylinder assembly 11 further includes being connected to the bavin
The sleeve 4 of oil machine oxidation catalysis device assembly 2 and the mounting flange 5 being fixed on the sleeve 4.The diesel particulate filter
Component 3 is removably installed in the sleeve 4, and first cylinder assembly 11 is realized by the mounting flange 5 and fixed.Institute
It states diesel oxidation catalyst component 2 and the diesel particulate filter component 3 respectively includes carrier, is coated on outside carrier
Liner and be encapsulated in liner outside shell.
In illustrative embodiments of the present invention, the mounting flange 5 is welded on the sleeve 4.
The sleeve 4 is equipped with the flange 41 (please join shown in Fig. 8) positioned at outside.The exhaust post-treatment apparatus of engine
100 include the washer 6 being pressed on the flange 41 and the end cap 7 being pressed on the washer 6.
The exhaust post-treatment apparatus of engine 100 is equipped with across the mounting flange 5, the washer 6 and the end
Lid 7 is with the bolt 81 that the diesel particulate filter component 3 is fixed and the nut 82 matched with the bolt 81.
Specifically, the mounting flange 5 is equipped with the first mounting hole 51；The washer 6 is convex equipped with extending to the end cap 7
Platform 61 and the second mounting hole 62 through the boss 61；The end cap 7 is equipped with the countersink region being stamped and formed out to the washer 6
71, the countersink region 71 is equipped with third mounting hole 72, wherein the bolt 81 sequentially passes through first mounting hole 51, described the
Two mounting holes 62 and the third mounting hole 72 simultaneously realize fixation with the nut 82 in the countersink region 71.So set
It sets, on the one hand nut 82 can be arranged in countersink region 71 to save space；On the other hand it also can protect nut 82, avoid
It is interfered by external force.
The exhaust post-treatment apparatus of engine 100 includes positioned at the of the downstream of the diesel particulate filter component 3
One cavity 15, the second cavity 16 of side positioned at first cavity 15, the cyclone pipe that is connected with second cavity 16
17, the third cavity 18 that is connected with the cyclone pipe 17, the second cylinder assembly 12 being connected with the third cavity 18 with
And the outlet 20 being connected with second cylinder assembly 12.
In illustrative embodiments of the present invention, the mounting flange 5, which is equipped with, is connected to first cavity 15 and described the
First intercommunicating pore 52 of two cavitys 16.The washer 6 is equipped with the second intercommunicating pore 63 being aligned with first intercommunicating pore 52.
The end cap 7 is equipped with and protrudes out into first cavity 15 and the arcwall 73 to force air-flow reversed.
The exhaust post-treatment apparatus of engine 100 further includes the steel wool 171 in the cyclone pipe 17, to improve
Mixed effect reduces the risk of urea crystals.
Compared to the prior art, the present invention, which passes through, is arranged demountable first cylinder assembly 11, and wherein again by bavin
Oil particles filter assemblies 3 are removably installed in sleeve 4, on the one hand provide to disassembly diesel particulate filter component 3
Biggish convenience；On the other hand diesel oxidation catalyst component 2 can also be dismantled.By by encapsulation unit from end
Face, which is sealed off, takes out, and dismantles flexible, easy to operate；In addition, when vehicle is installed, this arrangement left-right universal of the invention, flexibility
By force.
In addition, above embodiments are merely to illustrate the present invention and not limit the technical scheme described by the invention, to this
The understanding of specification should be based on person of ordinary skill in the field, although this specification is referring to the above embodiments pair
Present invention has been detailed description, still, those skilled in the art should understand that, the technology of technical field
Personnel still can modify or equivalently replace the present invention, and all do not depart from the technology of the spirit and scope of the present invention
Scheme and its improvement should all be covered in scope of the presently claimed invention.
Claims (10)
1. a kind of exhaust post-treatment apparatus of engine comprising shell and be located at the intracorporal aftertreatment assembly of the shell, wherein
The shell includes the import being connected to the exhaust with engine, and the aftertreatment assembly includes the first cylinder assembly, institute
State the first cylinder assembly include the diesel oxidation catalyst component being connected with the import and be located at the diesel engine oxygen
The diesel particulate filter component changing the downstream of catalysis device assembly and being connected with the diesel oxidation catalyst component, wherein
The diesel particulate filter component and the diesel oxidation catalyst component are arranged on the same line, it is characterised in that:
The shell is equipped with an end face to safeguard and the accommodating chamber through the end face, and first cylinder assembly is detachable
Ground is installed in the accommodating chamber, and first cylinder assembly further includes the set for being connected to the diesel oxidation catalyst component
Cylinder and the mounting flange being fixed on the sleeve, the diesel particulate filter component are removably installed in the sleeve
Interior, first cylinder assembly is realized by the mounting flange and is fixed.
2. exhaust post-treatment apparatus of engine as described in claim 1, it is characterised in that: the mounting flange is welded on described
On sleeve.
3. exhaust post-treatment apparatus of engine as described in claim 1, it is characterised in that: the sleeve is equipped with positioned at outside
Flange, the exhaust post-treatment apparatus of engine include the washer being pressed on the flange and are pressed on the washer
End cap.
4. exhaust post-treatment apparatus of engine as claimed in claim 3, it is characterised in that: the engine exhaust post-processing dress
It has installed across the mounting flange, the washer and the end cap so that the diesel particulate filter component to be fixed
Bolt and the nut that is matched with the bolt.
5. exhaust post-treatment apparatus of engine as claimed in claim 4, it is characterised in that: the mounting flange is equipped with the first peace
Hole is filled, the washer is equipped with the boss extended to the end cap and through the second mounting hole of the boss, and the end cap is set
The countersink region that the oriented washer is stamped and formed out, the countersink region is equipped with third mounting hole, wherein screw bolt passes institute
It states the first mounting hole, second mounting hole and the third mounting hole and is realized in the countersink region with the nut solid
It is fixed.
6. exhaust post-treatment apparatus of engine as claimed in claim 4, it is characterised in that: the engine exhaust post-processing dress
Set including be located at the diesel particulate filter component downstream the first cavity, positioned at first cavity side second
Cavity, the cyclone pipe being connected with second cavity, the third cavity being connected with the cyclone pipe and the third cavity
The second cylinder assembly of at least one being connected and the outlet being connected with second cylinder assembly.
7. exhaust post-treatment apparatus of engine as claimed in claim 6, it is characterised in that: the mounting flange is equipped with connection institute
State the first intercommunicating pore of the first cavity Yu second cavity.
8. exhaust post-treatment apparatus of engine as claimed in claim 7, it is characterised in that: the washer is equipped with and described first
Second intercommunicating pore of intercommunicating pore alignment.
9. exhaust post-treatment apparatus of engine as claimed in claim 6, it is characterised in that: the end cap is equipped with to described first
It is protruded out in cavity and the arcwall to force air-flow reversed.
10. exhaust post-treatment apparatus of engine as claimed in claim 6, it is characterised in that: the engine exhaust post-processing
Device further includes the steel wool in the cyclone pipe；Second cylinder assembly includes selective catalytic reduction component.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458294.2A CN109973195A (en) | 2017-12-28 | 2017-12-28 | Exhaust post-treatment apparatus of engine |
| PCT/CN2018/092999 WO2019128162A1 (en) | 2017-12-28 | 2018-06-27 | Engine exhaust gas aftertreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458294.2A CN109973195A (en) | 2017-12-28 | 2017-12-28 | Exhaust post-treatment apparatus of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109973195A true CN109973195A (en) | 2019-07-05 |
Family
ID=67065060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711458294.2A Pending CN109973195A (en) | 2017-12-28 | 2017-12-28 | Exhaust post-treatment apparatus of engine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109973195A (en) |
| WO (1) | WO2019128162A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212745A1 (en) * | 2020-04-21 | 2021-10-28 | 天纳克（苏州）排放系统有限公司 | Exhaust gas after-treatment package |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE102012218136A1 (en) * | 2012-10-04 | 2014-04-10 | Friedrich Boysen Gmbh & Co. Kg | Exhaust system component for internal combustion engine and method for producing an exhaust system component |
| US9920676B2 (en) * | 2013-04-11 | 2018-03-20 | Perkins Engines Company Limited | Mixer and emissions cleaning module |
| DE112014003842B4 (en) * | 2013-08-22 | 2023-07-27 | Ford Otomotiv Sanayi Anonim Sirketi | Device for reducing exhaust gases |
| CN105402007A (en) * | 2015-12-17 | 2016-03-16 | 无锡威孚力达催化净化器有限责任公司 | Box type post processing assembly for diesel vehicle |
| CN106121779A (en) * | 2016-08-29 | 2016-11-16 | 无锡威孚力达催化净化器有限责任公司 | A kind of box post processing structural assembly meeting the dismounting of grain catcher pull |
-
2017
- 2017-12-28 CN CN201711458294.2A patent/CN109973195A/en active Pending
-
2018
- 2018-06-27 WO PCT/CN2018/092999 patent/WO2019128162A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212745A1 (en) * | 2020-04-21 | 2021-10-28 | 天纳克（苏州）排放系统有限公司 | Exhaust gas after-treatment package |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019128162A1 (en) | 2019-07-04 |
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