CN108343490A - A kind of automobile-used DPF device - Google Patents
A kind of automobile-used DPF device Download PDFInfo
- Publication number
- CN108343490A CN108343490A CN201810119161.0A CN201810119161A CN108343490A CN 108343490 A CN108343490 A CN 108343490A CN 201810119161 A CN201810119161 A CN 201810119161A CN 108343490 A CN108343490 A CN 108343490A
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- CN
- China
- Prior art keywords
- dpf
- bending part
- tapered portion
- air
- automobile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
Abstract
The present invention relates to a kind of automobile-used DPF devices, including DPF ontologies and the first tapered portion and the second tapered portion that are set to DPF ontologies both ends；There is air flow inlet in the end set of the first tapered portion, has air stream outlet in the end set of the second tapered portion；Mixer is provided at air flow inlet.The technical program efficiently solves air-flow dead zone phenomenon, improves airflow homogeneity by the way that mixer is arranged at the air flow inlet of DPF ontologies, soot distribution is more uniform inside DPF, the utilization rate for improving DPF volumes extends regeneration intervals mileage, improves fuel economy.
Description
Technical field
The invention belongs to automobile environment-protection technical fields, particularly relate to a kind of automobile-used DPF device.
Background technology
DPF is diesel particulate trap, is encapsulated in gas exhaust piping, and the carbon soot particles in tail gas are filtered.With soot
The accumulation of particle, exhaust back pressure increase, and need to remove the carbon soot particles in DPF, i.e. DPF initiative regenerations.DPF initiative regeneration methods
Usually there is a heating, the means such as oil spout is combustion-supporting.DPF airflow homogeneities are the important indicators for evaluating gas flow uniformity, and air-flow is equal
Even property is good, and gas flow rate is evenly distributed on the cross sections DPF, airless dead zone.DPF airflow homogeneities directly affect soot in DPF
The availability of the uniformity and DPF volumes of distribution, utilization rate is higher, and regeneration intervals mileage is longer, and fuel economy is good.Mixing
Device is usually placed in gas exhaust piping, and guiding and the mixing for accelerating air-flow improve airflow homogeneity.
The DPF of the prior art guides the flowing side of air-flow as shown in Figure 1, by changing DPF arrival ends pyramidal structure 02
To, find in the actual use process, using arrival end pyramidal structure guide air-flow airflow homogeneity make moderate progress, still
In DPF01,03 problem of air-flow dead zone is still remained, as shown in Fig. 2, the index of airflow homogeneity can not be fully met.
Invention content
The object of the present invention is to provide a kind of automobile-used DPF devices, to solve DPF the asking there are air-flow dead zone of the prior art
Topic.
The present invention is achieved by the following technical solutions：
A kind of automobile-used DPF device, including DPF ontologies and the first tapered portion and second for being set to DPF ontologies both ends
Tapered portion；
There is air flow inlet in the end set of first tapered portion, has air-flow in the end set of second tapered portion
Outlet；
It is provided with mixer at the air flow inlet.
The mixer includes at least two blender blades.
Each blender blade includes the first bending part and the second bending part, the first bending part and described second curved
Angle between folding part is more than 90 degree.
Two neighboring blender blade is mutually parallel, and the first bending part of two neighboring blender blade and the second bending
Angle all same between portion.
Two neighboring blender blade is not parallel, and the first bending part and the second bending part of two neighboring blender blade
Between angle it is identical or differ.
Each first bending part is parallel with the axial centerline of the first tapered portion.
First bending part/and the second bending part are not plane.
The advantageous effect of the technical program is：
It is existing to efficiently solve air-flow dead zone by the way that mixer is arranged at the air flow inlet of DPF ontologies for the technical program
As improving airflow homogeneity, soot distribution is more uniform inside DPF, improves the utilization rate of DPF volumes, extends between regeneration
Every mileage, fuel economy is improved.
Description of the drawings
Fig. 1 is prior art DPF structural schematic diagrams；
Fig. 2 is DPF air-flows dead zone and the airflow direction schematic diagram of the prior art；
Fig. 3 is DPF structural schematic diagrams of the present invention；
Fig. 4 is blender blade and air flow direction schematic diagram；
Fig. 5 is to be provided with positive direction view at the DPF air flow inlets of mixer；
Fig. 6 is to be provided with reverse view at the DPF air flow inlets of mixer.
Reference sign
01 DPF, 02 arrival end pyramidal structure, 03 air-flow dead zone, 1 DPF ontologies, 2 first tapered portion, 3 second tapered portion,
4 air flow inlets, 5 air stream outlets, 6 mixers, 61 blades, 611 first bending parts, 612 second bending parts.
Specific implementation mode
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
It can be used for explanation and illustration technical scheme of the present invention, and be not to be construed as the limitation to technical solution of the present invention.
Embodiment 1
The application provides a kind of automobile-used DPF device, as shown in figure 3, including DPF ontologies 1 and being set to 1 both ends of DPF ontologies
The first tapered portion 2 and the second tapered portion 3.
There is air flow inlet 4 in the end set of the first tapered portion 2, has air stream outlet in the end set of the second tapered portion 3
5；Wherein air flow inlet receives the flue gas of the slave diesel engine discharge of gas exhaust piping, and air stream outlet discharge passes through DPF treated cigarettes
Gas.
As shown in Figs. 4-6, mixer 6 is provided at air flow inlet 4.In the present embodiment, mixer 6 includes at least
Two blender blades 61；Each blender blade 61 includes the first bending part 611 and the second bending part 612, the first bending
Angle between portion 611 and the second bending part 612 is more than 90 degree.Two neighboring blender blade is mutually parallel, and two neighboring
Angle all same between the first bending part and the second bending part of blender blade.
Each first bending part is parallel with the axial centerline of the first tapered portion.
Mixer is welded on inside DPF arrival end tapered portion, changes the flow direction of air-flow, guiding by the blade of bending
Gas flow air-flow dead zone improves airflow homogeneity.
Embodiment 2
The application provides a kind of automobile-used DPF device, as shown in figure 3, including DPF ontologies and being set to DPF ontologies both ends
First tapered portion and the second tapered portion.
There is air flow inlet in the end set of the first tapered portion, has air stream outlet in the end set of the second tapered portion；Its
Middle air flow inlet receives the flue gas of the slave diesel engine discharge of gas exhaust piping, and air stream outlet discharge passes through DPF treated flue gases.
Mixer is provided at air flow inlet.In the present embodiment, mixer includes at least two blender blades；Often
A blender blade includes the first bending part and the second bending part, and the angle between the first bending part and the second bending part is more than
90 degree.Two neighboring blender blade is not parallel, and the first bending part of two neighboring blender blade and the second bending part it
Between angle it is identical or differ.
Each first bending part is parallel with the axial centerline of the first tapered portion.
Mixer is welded on inside DPF arrival end tapered portion, changes the flow direction of air-flow, guiding by the blade of bending
Gas flow air-flow dead zone improves airflow homogeneity.
Embodiment 3
The application provides a kind of automobile-used DPF device, as shown in figure 3, including DPF ontologies and being set to DPF ontologies both ends
First tapered portion and the second tapered portion.
There is air flow inlet in the end set of the first tapered portion, has air stream outlet in the end set of the second tapered portion；Its
Middle air flow inlet receives the flue gas of the slave diesel engine discharge of gas exhaust piping, and air stream outlet discharge passes through DPF treated flue gases.
Mixer is provided at air flow inlet.In the present embodiment, mixer includes at least two blender blades；Often
A blender blade includes the first bending part and the second bending part, and the angle between the first bending part and the second bending part is more than
90 degree.Two neighboring blender blade is not parallel, and the first bending part of two neighboring blender blade and the second bending part it
Between angle it is identical or differ.
Each first bending part is parallel with the axial centerline of the first tapered portion, and the first bending part is arcwall face.
Mixer is welded on inside DPF arrival end tapered portion, changes the flow direction of air-flow, guiding by the blade of bending
Gas flow air-flow dead zone improves airflow homogeneity.
Embodiment 4
The application provides a kind of automobile-used DPF device, as shown in figure 3, including DPF ontologies and being set to DPF ontologies both ends
First tapered portion and the second tapered portion.
There is air flow inlet in the end set of the first tapered portion, has air stream outlet in the end set of the second tapered portion；Its
Middle air flow inlet receives the flue gas of the slave diesel engine discharge of gas exhaust piping, and air stream outlet discharge passes through DPF treated flue gases.
Mixer is provided at air flow inlet.In the present embodiment, mixer includes at least two blender blades；Often
A blender blade includes the first bending part and the second bending part, and the angle between the first bending part and the second bending part is more than
90 degree.Two neighboring blender blade is not parallel, and the first bending part of two neighboring blender blade and the second bending part it
Between angle it is identical or differ.
Each first bending part is parallel with the axial centerline of the first tapered portion, and the first bending part is plane, and second is curved
Folding part is arcwall face.
Mixer is welded on inside DPF arrival end tapered portion, changes the flow direction of air-flow, guiding by the blade of bending
Gas flow air-flow dead zone improves airflow homogeneity.
Embodiment 5
The application provides a kind of automobile-used DPF device, as shown in figure 3, including DPF ontologies and being set to DPF ontologies both ends
First tapered portion and the second tapered portion.
There is air flow inlet in the end set of the first tapered portion, has air stream outlet in the end set of the second tapered portion；Its
Middle air flow inlet receives the flue gas of the slave diesel engine discharge of gas exhaust piping, and air stream outlet discharge passes through DPF treated flue gases.
Mixer is provided at air flow inlet.In the present embodiment, mixer includes at least two blender blades；Often
A blender blade includes the first bending part and the second bending part, and the angle between the first bending part and the second bending part is more than
90 degree.Two neighboring blender blade is not parallel, and the first bending part of two neighboring blender blade and the second bending part it
Between angle it is identical or differ.
Each first bending part is parallel with the axial centerline of the first tapered portion, and the first bending part and the second bending part are equal
For arcwall face.
Mixer is welded on inside DPF arrival end tapered portion, changes the flow direction of air-flow, guiding by the blade of bending
Gas flow air-flow dead zone improves airflow homogeneity.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And deformation, the scope of the present invention are extremely equally limited by appended claims.
Claims (7)
1. a kind of automobile-used DPF device, which is characterized in that including DPF ontologies and be set to first taper at DPF ontologies both ends
Portion and the second tapered portion；
There is air flow inlet in the end set of first tapered portion, there is air-flow to go out in the end set of second tapered portion
Mouthful；
It is provided with mixer at the air flow inlet.
2. automobile-used DPF device according to claim 1, which is characterized in that the mixer includes at least two mixers
Blade.
3. automobile-used DPF device according to claim 2, which is characterized in that each blender blade includes first
Bending part and the second bending part, the angle between the first bending part and second bending part are more than 90 degree.
4. automobile-used DPF device according to claim 3, which is characterized in that two neighboring blender blade is mutually parallel, and
Angle all same between the first bending part and the second bending part of two neighboring blender blade.
5. automobile-used DPF device according to claim 3, which is characterized in that two neighboring blender blade is not parallel, and phase
Angle between the first bending part and the second bending part of adjacent two blender blades is identical or differs.
6. automobile-used DPF device according to any one of claim 3 to 5, which is characterized in that each first bending part
It is parallel with the axial centerline of the first tapered portion.
7. automobile-used DPF device according to any one of claim 3 to 5, which is characterized in that first bending part/with
Second bending part is not plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810119161.0A CN108343490A (en) | 2018-02-06 | 2018-02-06 | A kind of automobile-used DPF device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810119161.0A CN108343490A (en) | 2018-02-06 | 2018-02-06 | A kind of automobile-used DPF device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343490A true CN108343490A (en) | 2018-07-31 |
Family
ID=62960022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810119161.0A Pending CN108343490A (en) | 2018-02-06 | 2018-02-06 | A kind of automobile-used DPF device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108343490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322143A (en) * | 2020-02-26 | 2020-06-23 | 潍柴动力股份有限公司 | Diagnosis method of diesel engine particle trap, cloud server and vehicle-mounted terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539046A (en) * | 2008-03-21 | 2009-09-23 | 通用汽车环球科技运作公司 | Particulate matter filter assembly with a flow device |
| CN203717081U (en) * | 2014-02-28 | 2014-07-16 | 安徽江淮汽车股份有限公司 | After-treatment system of diesel engine |
| CN105804840A (en) * | 2016-05-16 | 2016-07-27 | 天纳克（苏州）排放系统有限公司 | Exhaust gas treatment device |
| US20160348557A1 (en) * | 2015-05-27 | 2016-12-01 | Tenneco Automotive Operating Company Inc. | Mixer Assembly For Exhaust Aftertreatment System |
-
2018
- 2018-02-06 CN CN201810119161.0A patent/CN108343490A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539046A (en) * | 2008-03-21 | 2009-09-23 | 通用汽车环球科技运作公司 | Particulate matter filter assembly with a flow device |
| CN203717081U (en) * | 2014-02-28 | 2014-07-16 | 安徽江淮汽车股份有限公司 | After-treatment system of diesel engine |
| US20160348557A1 (en) * | 2015-05-27 | 2016-12-01 | Tenneco Automotive Operating Company Inc. | Mixer Assembly For Exhaust Aftertreatment System |
| CN105804840A (en) * | 2016-05-16 | 2016-07-27 | 天纳克（苏州）排放系统有限公司 | Exhaust gas treatment device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322143A (en) * | 2020-02-26 | 2020-06-23 | 潍柴动力股份有限公司 | Diagnosis method of diesel engine particle trap, cloud server and vehicle-mounted terminal |
| CN111322143B (en) * | 2020-02-26 | 2021-08-20 | 潍柴动力股份有限公司 | Diagnosis method of diesel engine particle trap, cloud server and vehicle-mounted terminal |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180731 |
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| RJ01 | Rejection of invention patent application after publication |