CN105822392A - Exhaust post-treatment device - Google Patents
Exhaust post-treatment device Download PDFInfo
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- CN105822392A CN105822392A CN201510002461.7A CN201510002461A CN105822392A CN 105822392 A CN105822392 A CN 105822392A CN 201510002461 A CN201510002461 A CN 201510002461A CN 105822392 A CN105822392 A CN 105822392A
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- treatment device
- exhaust gas
- assembly
- gas post
- installation portion
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Abstract
An exhaust post-treatment device comprises an exit cone assembly, a housing assembly matched with the exit cone assembly, and a catalyst assembly; the exit cone assembly comprises an exit cone and a first mount portion connected with the exit cone; the housing assembly comprise a housing with a contain cavity and a second mount portion connected with the housing; the first and second mount portions are assembled by a first mount element; the catalyst assembly comprises an inner housing contained in the contain cavity, a catalyst packaged in the inner housing, and a third mount portion connected with the inner housing; the second and third mount portions are assembly through a second mount element; the first mount element is arranged outside the exit cone, and the second mount element is hidden in the exit cone, thus conveniently replacing the catalyst.
Description
Technical field
The present invention relates to a kind of exhaust gas post-treatment device, belong to the technical field of engines tail gas disposal.
Background technology
Exhaust post-treatment apparatus of engine (such as diesel engine exhausting after-treatment device) is primarily used to process or purify the poisonous and device of harmful substance in aerofluxus.Harmful toxic matter in aerofluxus mainly comprises Hydrocarbon, carbon monoxide, nitrogen oxides and particulate matter etc..The process functional module of different processing methods and correspondence is had for different harmful toxic matters.Such as, prior art has had the functional modules such as employing oxidized form catalyst (DOC), grain catcher (DPF) and selective catalytic reducing agent (SCR).
But, because the working environment of catalyst is relatively more severe, it is generally less than in exhaust gas post-treatment device the life-span of other hardware its service life.If able to be continuing with original most of hardware, it be only removable structure by Catalyst Design, then will be substantially reduced maintenance cost.
But, the application places General Spatial of exhaust gas post-treatment device is the most restricted, and catalyst integral replacing does not the most all have space.It addition, catalyst encapsulation overall weight is heavier, integral replacing needs special maintenance of equipment.
Summary of the invention
It is an object of the invention to provide a kind of exhaust gas post-treatment device being conveniently replaceable catalyst assembly.
For achieving the above object, the present invention adopts the following technical scheme that a kind of exhaust gas post-treatment device, it include gas coning assembly with described go out the housing body components that matches of gas coning assembly and be removably installed in the catalyst assembly in described housing body components；Wherein, go out described in gas coning assembly include gas coning and with described go out the first installation portion of being connected of gas coning；Described housing body components includes the shell being provided with host cavity and the second installation portion being connected with described shell, and described first installation portion assembles by the first installation elements with described second installation portion；Described catalyst assembly includes the inner housing being contained in described host cavity, the catalyst being encapsulated in described inner housing and the 3rd installation portion being connected with described inner housing, described second installation portion assembles by the second installation elements with described 3rd installation portion, described first installation elements goes out the outside of gas coning described in being positioned at, described second installation elements be hidden in described in go out in gas coning.
As further improved technical scheme of the present invention, described first installation portion is the first flange, described second installation portion is the second flange, described 3rd installation portion is three-flange, described first installation elements is the first bolt, described second installation elements is the second bolt, and described second bolt is positioned at the inner side of described first bolt.
As further improved technical scheme of the present invention, described exhaust gas post-treatment device is provided with the Graphite pad being clamped between described first flange and described second flange.
As further improved technical scheme of the present invention, described exhaust gas post-treatment device is provided with the Graphite pad being clamped between described second flange and described three-flange.
As further improved technical scheme of the present invention, described catalyst assembly is non-snap close end away from one end of described second installation elements, and described non-snap close end is overlapped by inclined-plane mutually with described housing body components.
As further improved technical scheme of the present invention, described housing body components includes being positioned at the support ring bottom described catalyst assembly, and described catalyst assembly includes the locating ring matched with described support ring.
As further improved technical scheme of the present invention, described support ring is provided with the first inclined plane, and described locating ring is provided with the second inclined plane compressed mutually with described first inclined plane.
As further improved technical scheme of the present invention, described support ring is welded in described shell, and described locating ring is removably held in the bottom of described inner housing.
As further improved technical scheme of the present invention, described exhaust gas post-treatment device is vertically arranged, described in go out gas coning assembly and be positioned at the upper end of described housing body components.
As further improved technical scheme of the present invention, described catalyst assembly and described host cavity are several；Described exhaust gas post-treatment device also includes going out gas coning with described shell welds together.
Compared to prior art, catalyst sealing is contained in inner housing to form an assembly by the present invention, described inner housing is removably mounted among shell, when needs more catalyst changeout, first removing the first installation elements and go out gas coning, then come loose the second installation elements, is removed by described catalyst assembly by lifting device, being arranged such, it is convenient to change.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of exhaust gas post-treatment device of the present invention.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the part isometric exploded view of Fig. 1.
Fig. 4 is the further three-dimensional exploded view of Fig. 3.
Fig. 5 is exhaust gas post-treatment device of the present invention schematic perspective view when mounted.
Fig. 6 is the front view of Fig. 5.
Fig. 7 is the phantom of Fig. 6.
Fig. 8 is the partial enlarged drawing of A of drawing a circle in Fig. 7.
Fig. 9 is the partial enlarged drawing of B of drawing a circle in Fig. 7.
Detailed description of the invention
Please join shown in Fig. 1 to Fig. 4, present invention is disclosed a kind of exhaust gas post-treatment device 100, it include gas coning assembly 1, with described go out gas coning assembly 1 housing body components 2, the catalyst assembly 3 being removably installed in described housing body components 2, the inlet cone 4 welded together with described housing body components 2 and the mixing tube 5 being connected with described inlet cone 4 that match.In illustrative embodiments of the present invention, described inlet cone 4 welds together with described housing body components 2, to improve the stability of structure.In a kind of application of the present invention, described exhaust gas post-treatment device 100 is used in the exhaust after treatment system of high-power engine, such as ship machine etc..
Described go out gas coning assembly 1 include gas coning 11 and with described go out the first installation portion (being the first flange 12 in illustrative embodiments of the present invention) of being connected of gas coning 11.Described go out gas coning 11 be provided with air exit 111.Described first flange 12 goes out gas coning 11 one end away from described air exit 111 described in being welded on.
Described housing body components 2 includes shell 21 and the second installation portion (being the second flange 22 in illustrative embodiments of the present invention) being connected with described shell 21.In illustrative embodiments of the present invention, described shell 21 is provided with some host cavities 20, in order to house some catalyst assemblies 3.Each catalyst assembly 3 is contained in the host cavity 20 of correspondence.Described second flange 22 is welded on described shell 21.Described first flange 12 assembles by the first installation elements (for some first bolts 23 in illustrative embodiments of the present invention) with described second flange 22.Preferably, please join shown in Fig. 3 and Fig. 8, described exhaust gas post-treatment device 100 is provided with the Graphite pad 24 being clamped between described first flange 12 and described second flange 22, in order to absorb tolerance produced by weldment.
Please join shown in Fig. 4 and Fig. 7, described catalyst assembly 3 includes the inner housing 31 being contained in described host cavity 20, the catalyst 32 being encapsulated in described inner housing 31 and the 3rd installation portion (being three-flange 33 in illustrative embodiments of the present invention) being connected with described inner housing 32.Described second flange 22 assembles by the second installation elements (for some second bolts 34 in illustrative embodiments of the present invention) with described three-flange 33.Preferably, please join shown in Fig. 4 and Fig. 8, described exhaust gas post-treatment device 100 is provided with the Graphite pad 35 being clamped between described second flange 22 and described three-flange 33, in order to absorb tolerance produced by weldment.
Please join shown in Fig. 7, after installation, described first bolt 23 be positioned at described in go out the outside of gas coning 11, described second bolt 34 is positioned at the inner side of described first bolt 23, described second bolt 34 be hidden in described in go out in gas coning 11.
Please join shown in Fig. 7 to Fig. 9, in order to position described catalyst assembly 3, be beneficial to the most again install, described housing body components 2 is provided with the support ring 26 being positioned at bottom described catalyst assembly 3, and described catalyst assembly 3 includes the locating ring 36 matched with described support ring 26.Described support ring 26 is provided with the first inclined plane 261, and described locating ring 36 is provided with the second inclined plane 361 compressed with described first inclined plane 261 phase.In illustrative embodiments of the present invention, described support ring 26 is welded in described shell 21, and described locating ring 36 is removably held in the bottom of described inner housing 31.In illustrative embodiments of the present invention, described catalyst assembly 3 is non-snap close end away from one end of described second bolt 34, and described non-snap close end is overlapped by inclined-plane mutually with described housing body components 2, to realize preferably location.So-called " non-snap close end " refers to that it realizes fixing not by buckle structure (such as bolt etc.) and described housing body components 2.The support ring 26 of the present invention and this fit structure of locating ring 36, can not only realize good location, and be beneficial to change described catalyst assembly 3.
Please join shown in Fig. 5 and Fig. 6, described exhaust gas post-treatment device 100 is the most vertically arranged, described in go out gas coning assembly 1 and be positioned at the upper end of described housing body components 2.Treated tail gas, upwards can enter air from described air exit 111.
When described catalyst assembly 3 changed by needs, first remove described first bolt 23, and then go out gas coning assembly 1 described in removing；Then, then unclamp described second bolt 34, utilize lifting device to be hung out from described shell 21 by described catalyst assembly 3.Owing to described catalyst assembly 3 is non-snap close end away from one end of described second bolt 34, in this, structure is very beneficial for hanging out described catalyst assembly 3.
Then, being loaded by new catalyst assembly 3 in described host cavity 20, the inclined design of described support ring 26 and locating ring 36 is capable of assembling smoothly；Afterwards, lock with described second bolt 34；Then, then by described go out gas coning assembly 1 be assembled in outside by the first bolt 23.Dismountable locating ring 36 can realize recycling, with cost-effective.The catalyst assembly 3 that packet is arranged, compared to all-in-one-piece structure, the small volume of single catalyst assembly 3, is beneficial to change.
Additionally, above example be merely to illustrate the present invention and and unrestricted technical scheme described in the invention, understanding of this description should be based on person of ordinary skill in the field, such as " front and back run through " and refer to be through before other parts are not installed, the most such as to " front ", " afterwards ", " left ", " right ", on " ", the description of D score isotropy, 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 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 contain in scope of the presently claimed invention.
Claims (10)
1. an exhaust gas post-treatment device, it is characterised in that include gas coning assembly with described go out the housing body components that matches of gas coning assembly and be removably installed in the catalyst assembly in described housing body components；Wherein, go out described in gas coning assembly include gas coning and with described go out the first installation portion of being connected of gas coning；Described housing body components includes the shell being provided with host cavity and the second installation portion being connected with described shell, and described first installation portion assembles by the first installation elements with described second installation portion；Described catalyst assembly includes the inner housing being contained in described host cavity, the catalyst being encapsulated in described inner housing and the 3rd installation portion being connected with described inner housing, described second installation portion assembles by the second installation elements with described 3rd installation portion, described first installation elements goes out the outside of gas coning described in being positioned at, described second installation elements be hidden in described in go out in gas coning.
2. exhaust gas post-treatment device as claimed in claim 1, it is characterized in that: described first installation portion is the first flange, described second installation portion is the second flange, described 3rd installation portion is three-flange, described first installation elements is the first bolt, described second installation elements is the second bolt, and described second bolt is positioned at the inner side of described first bolt.
3. exhaust gas post-treatment device as claimed in claim 2, it is characterised in that: described exhaust gas post-treatment device is provided with the Graphite pad being clamped between described first flange and described second flange.
4. exhaust gas post-treatment device as claimed in claim 2, it is characterised in that: described exhaust gas post-treatment device is provided with the Graphite pad being clamped between described second flange and described three-flange.
5. exhaust gas post-treatment device as claimed in claim 1, it is characterised in that: described catalyst assembly is non-snap close end away from one end of described second installation elements, and described non-snap close end is overlapped by inclined-plane mutually with described housing body components.
6. exhaust gas post-treatment device as claimed in claim 5, it is characterised in that: described housing body components includes being positioned at the support ring bottom described catalyst assembly, and described catalyst assembly includes the locating ring matched with described support ring.
7. exhaust gas post-treatment device as claimed in claim 6, it is characterised in that: described support ring is provided with the first inclined plane, and described locating ring is provided with the second inclined plane compressed mutually with described first inclined plane.
8. exhaust gas post-treatment device as claimed in claim 7, it is characterised in that: described support ring is welded in described shell, and described locating ring is removably held in the bottom of described inner housing.
9. exhaust gas post-treatment device as claimed in claim 1, it is characterised in that: described exhaust gas post-treatment device is vertically arranged, described in go out gas coning assembly and be positioned at the upper end of described housing body components.
10. exhaust gas post-treatment device as claimed in claim 1, it is characterised in that: described catalyst assembly and described host cavity are several；Described exhaust gas post-treatment device also includes the inlet cone welded together with described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510002461.7A CN105822392A (en) | 2015-01-05 | 2015-01-05 | Exhaust post-treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510002461.7A CN105822392A (en) | 2015-01-05 | 2015-01-05 | Exhaust post-treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105822392A true CN105822392A (en) | 2016-08-03 |
Family
ID=56513537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510002461.7A Pending CN105822392A (en) | 2015-01-05 | 2015-01-05 | Exhaust post-treatment device |
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| CN (1) | CN105822392A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3715010A (en) * | 1972-02-02 | 1973-02-06 | S Gibel | Multiple collimator muffler |
| US3920404A (en) * | 1974-09-11 | 1975-11-18 | Ford Motor Co | Catalyst converter |
| US3947252A (en) * | 1972-04-07 | 1976-03-30 | Kali-Chemie Ag | Elastic suspension or support for a ceramic monolithic catalyzer body |
| US6808688B1 (en) * | 1999-06-29 | 2004-10-26 | Sumitomo Electric Industries, Ltd. | Particulate trap for diesel engine |
| CN101346533A (en) * | 2005-12-29 | 2009-01-14 | 田纳科汽车营运公司 | Woven metal fiber diesel particulate filter |
| US20100024407A1 (en) * | 2008-07-31 | 2010-02-04 | Caterpillar Inc. | Emissions control filter assembly and system |
-
2015
- 2015-01-05 CN CN201510002461.7A patent/CN105822392A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3715010A (en) * | 1972-02-02 | 1973-02-06 | S Gibel | Multiple collimator muffler |
| US3947252A (en) * | 1972-04-07 | 1976-03-30 | Kali-Chemie Ag | Elastic suspension or support for a ceramic monolithic catalyzer body |
| US3920404A (en) * | 1974-09-11 | 1975-11-18 | Ford Motor Co | Catalyst converter |
| US6808688B1 (en) * | 1999-06-29 | 2004-10-26 | Sumitomo Electric Industries, Ltd. | Particulate trap for diesel engine |
| CN101346533A (en) * | 2005-12-29 | 2009-01-14 | 田纳科汽车营运公司 | Woven metal fiber diesel particulate filter |
| US20100024407A1 (en) * | 2008-07-31 | 2010-02-04 | Caterpillar Inc. | Emissions control filter assembly and system |
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Application publication date: 20160803 |
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