CN104564242B - The reverse rectification assembly of diesel engine DPF low-temp recovery igniter air-flows - Google Patents
The reverse rectification assembly of diesel engine DPF low-temp recovery igniter air-flows Download PDFInfo
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- CN104564242B CN104564242B CN201410847070.0A CN201410847070A CN104564242B CN 104564242 B CN104564242 B CN 104564242B CN 201410847070 A CN201410847070 A CN 201410847070A CN 104564242 B CN104564242 B CN 104564242B
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- air
- fan blade
- igniter
- leaf
- dpf
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Abstract
The present invention relates to one kind can make DPF traps in regenerative process, permanent regeneration can be realized, avoid the reverse rectification assembly of the special air-flow of diesel engine DPF low-temp recovery igniters of DPF traps artefact regeneration caused by local regenerate, loudspeaker air heat storage tube big opening end is equipped with out fire expansion leaf, taper air flow guiding leaf is distributed in loudspeaker air heat accumulation pipe outer wall and air flow guiding leaf touches with the igniter fan blade oversheath inwall being enclosed on thereon, and reverse guide fan blade is relative with fluid radome fairing and in igniter fan blade oversheath.Advantage：Solve the technical barrier that end face can not be realized during DPF trap regenerations by closing the permanent regeneration in face inward outside, avoid DPF traps frequent regeneration caused by local regenerate, hardening crack and hot-spot caused by the potential inflammable risk of dpf regeneration.
Description
Technical field
The present invention relates to one kind can make DPF traps in regenerative process, can realize permanent regeneration, avoid part again
The reverse rectification assembly of diesel engine DPF low-temp recovery igniter air-flows that DPF traps artefact caused by life regenerates,
Belong to diesel motor exhaust regeneration low-temperature igniter manufacturing field.
Background technology
All CN103104314A of the applicant, a kind of title " diesel engine exhaust aftertreatment device pre-heating temperature elevation
Device ", plug, which is enclosed on heating rod, and one end of heating rod is exposed in mandrel outer and forms high temperature ignition head, plug both ends and diesel oil
The end cap seal connection of gasification chamber both ends, heat storage are enclosed on plug and in diesel oil gasification chambers, combustion chamber one end and diesel oil gas
Change chamber connection and cover on high temperature ignition head, the external oil spout pipe portion on the wall of combustion chamber and in petroleum pipeline of petroleum pipeline passes through bavin
Oil gasification chamber end cap and in the diesel oil gasification chamber, is provided with oil gas spray on the end cap of the diesel oil gasification chamber of heating rod one end
Mouth.
The content of the invention
Purpose of design：Design one kind can make DPF traps in regenerative process, can realize permanent regeneration, avoid office
The reverse rectification of diesel engine DPF low-temp recovery igniter air-flows that DPF trap artefact of the regeneration institute of portion with industry regenerates
Assembly.
Design：In order to realize above-mentioned purpose of design.Present invention design one kind is arranged on diesel engine（Car）In blast pipe,
For under various working conditions, diesel engine can be improved rapidly（Car）Delivery temperature so that delivery temperature can be in a few minutes
（3-5 minutes）It is interior to rise to more than 600 DEG C from 50 DEG C or so, so as to reach permanent regeneration grain catcher（DPF）Purpose.Bavin
The reverse rectification assembly of oil turbine DPF low-temp recovery igniter air-flows.Therefore, the present invention, in structure design, loudspeaker are empty
Gas heat storage tube uses stainless steel reduced pipe, and it can play a part of stable and guide to burned flame, while ensure that fuel oil can fill
Divided combustion；Taper air flow guiding leaf uses special stainless steel plate, and it can be to engine exhaust through row rectification；Go out fire expansion leaf to use
Stainless steel pressing, it gentle to flame can flow through the rectification of row clockwise or counterclockwise, play uniform dispersed flame and hot gas
The effect of stream, make it equably to DPF traps speed end face by thermal regeneration inward outside, so as to avoid flame and hot gas adfluxion
In heating of the zonule to DPF, solve DPF artefacts regeneration caused by DPF frequent regenerations problem；Outside igniter fan blade
The purpose of overwrap designs is：Because igniter fan blade oversheath can either be used to low-temperature igniter install, be connected to exhaust
Guan Shang, play a part of fixed and protect igniter, while there is guiding exhaust airstream and the work of igniter flame and thermal current again
With；The purpose of reverse guide fan blade design is：Because reverse guide fan blade is clockwise or inverse through row to igniter exit flow
The rectification of hour hands, the effect of dispersed thermal current is served, so as to together serve with going out fire expansion leaf and avoid flame and heat
Heating of the zonule to DPF in air flow collection, solves the problem of the caused DPF frequent regenerations of DPF artefacts regeneration.
Technical scheme：A kind of reverse rectification assembly of diesel engine DPF low-temp recoveries igniter air-flow, loudspeaker air
Heat storage tube big opening end is equipped with out fire expansion leaf, and taper air flow guiding leaf is distributed in loudspeaker air heat accumulation pipe outer wall and air flow guiding leaf
Igniter fan blade oversheath inwall with being enclosed on thereon touches, and reverse guide fan blade is relative with fluid radome fairing and is located at igniter
In fan blade oversheath.
For the present invention compared with background technology, solving can not realize end face by closing inward outside during DPF trap regenerations
The technical barrier of the permanent regeneration in face, avoid DPF traps frequent regeneration caused by local regenerate, hardening crack and hot-spot is led
The potential inflammable risk of the dpf regeneration of cause.
Brief description of the drawings
Fig. 1 is the reverse rectification assembly structure schematic diagram of diesel engine DPF low-temp recovery igniter air-flows.
Fig. 2 is fluid dome structure schematic diagram in Fig. 1.
Fig. 3 is the main structure diagram of fluid radome fairing in Fig. 1.
Fig. 4 is Fig. 3 overlooking the structure diagram.
Fig. 5 is the main structure diagram for fire expansion leaf.
Fig. 6 is Fig. 5 overlooking the structure diagram.
Fig. 7 is Fig. 5 side structure schematic view.
Fig. 8 is the structural representation of diesel motor exhaust micro particle catching and low-temp recovery igniter.
Fig. 9 is the structural representation of tapered air combustion tube in Fig. 8.
Figure 10 is the structural representation that the hollow conductance flow points of Fig. 8 fall apart.
Figure 11 is the structural representation of air-flow guide collar in Fig. 8.
Figure 12 is the structural representation of thermal store bottom in Fig. 8.
Figure 13 is the structural representation of igniter flange in Fig. 8.
Figure 14 is the structural representation of fire rod coaming plate in Fig. 8.
Figure 15 is taper tube oversheath in Fig. 8（Pipe）Structural representation.
Figure 16 is the structural representation of loudspeaker conduit in Fig. 8.
Figure 17 is Figure 16 dimensional structure diagram.
Embodiment
Embodiment 1：Referring to the drawings 1-7.A kind of reverse rectification of diesel engine DPF low-temp recoveries igniter air-flow is total
Into the big opening end of loudspeaker air heat storage tube 12 is equipped with out fire expansion leaf 14, and taper air flow guiding leaf 13 is distributed in loudspeaker air heat accumulation
The outer wall of pipe 12 and air flow guiding leaf 13 touches with the inwall of igniter fan blade oversheath 15 being enclosed on thereon, reverse guide fan blade 16 with
Fluid radome fairing（12,13,14）Relatively and in igniter fan blade oversheath 15.Reverse guide fan blade 16 and igniter fan blade
Oversheath 15, go out fire expansion leaf 14, taper air flow guiding leaf 13 and constitute air-flow mixing chamber.The water conservancy diversion side of reverse guide fan blade 16
To with go out fire expansion the water conservancy diversion of leaf 14 it is in opposite direction.
Embodiment 2：On the basis of embodiment 1, referring to the drawings 8-17.A kind of bavin being made up of the reverse rectification assembly of air-flow
Oil turbine DPF low-temp recovery igniters, the both ends of fire rod 7 in fire rod assembly are located in thermal storage device assembly in thermal store
Outside the both ends thermal store top cover 24 of sheath 23 and thermal store bottom 19, straight length end is by fire rod 7 and heat accumulation in loudspeaker conduit 11
The atomizer of body bottom 19 is trapped among in it, and the inwall of tapered air combustion tube 9 in a disguised form encloses 17 points by air conducting dispersion plate 8 and air-flow
Do not touched with straight length in loudspeaker conduit 11 and the clamping of loudspeaker section and the front port of tapered air combustion tube 9 with thermal store bottom 19,
For rear port with being enclosed on the rear end inwall clamping of taper tube outer protection tube 10 thereon, the front end of taper tube outer protection tube 10 is equipped with taper pipe end-cap
18, the osculum end of loudspeaker air heat storage tube 12 connects with the rear port of taper tube outer protection tube 10, the big opening end of loudspeaker air heat storage tube 12 dress
There is fire expansion leaf 14, taper air flow guiding leaf 13 is distributed in the outer wall of loudspeaker air heat storage tube 12 and air flow guiding leaf 13 is with being enclosed on
The inwall of igniter fan blade oversheath 15 thereon touches, the front end of igniter fan blade oversheath 15 and the igniter in fire rod assembly
The end face of flange 3 connects, reverse guide fan blade built in the rear end of igniter fan blade oversheath 15 and it is relative with DPF trap outlets connect,
The oil inlet of oil pipe 25 connects with the inlet nozzle on the end of igniter flange 3, and the stage casing of oil pipe 25 bends to spring-like and is arranged on
The top of tapered air combustion tube 9, its oil-out of oil pipe 25 is through the oil inlet pipe hole position of thermal store bottom 19 in the storage of thermal storage device assembly
In hot sheath 23 in vivo.
The front portion of tapered air combustion tube 9 is provided with air admission hole 901.The water conservancy diversion direction of reverse guide fan blade 16 is with going out fire expansion leaf
14 water conservancy diversion are in opposite direction.
Loudspeaker section in loudspeaker conduit 11 is formed by several and loudspeaker conduit straight length for the conduit bar enlarging connected and several
In a disguised form the composition fresh airs of circle 17 and fuel-steam are sufficiently mixed for conduit bar and air-flow.Loudspeaker section in loudspeaker conduit 11 is by counting
Root and loudspeaker conduit straight length form for the enlarging of conduit bar 1101 connected, are groove 1102 between conduit bar and conduit bar, loudspeaker
Conduit straight tube pars infrasegmentalis is provided with sky gas entering opening 1103.
Tapered air combustion tube 9 and air-flow in a disguised form circle 17, loudspeaker air heat storage tube 12, go out fire expansion leaf 14 and collectively constitute a little
Firearm combustion chamber.
Taper tube oversheath 10 and tapered air combustion tube 9, taper pipe end-cap 18 form fresh air heating chamber.Thermal store
Assembly in heat accumulation piece 6, heat accumulation partition 22, thermal store bottom 19, thermal store oversheath 20, heat accumulation body canal 21, thermal store by protecting
Set 23, thermal store top cover 24, carbon paper 30 are formed；Thermal store bottom 19, heat accumulation body canal 21, thermal store inner sheath 23, thermal store
Top cover 24 forms heat accumulation body shell, and heat accumulation piece 6, heat accumulation partition 22 are staggeredly fixed on heat accumulation body canal 21, thermal store oversheath 20
Thermal store inner sheath 23 is enclosed on by carbon paper 30.
The periphery of air conducting dispersion plate 8 has multiple air guide holes 801.Covert 17 inside and outside walls of the circle inclined-plane in a ring of air-flow
1701 and 1702.
Thermal store bottom 19 and thermal store inner sheath 23, thermal store top cover 24, heat accumulation piece 6, thermal store partition 22, thermal store
Conduit 21 forms fuel Heating passage, and thermal store bottom 19 is provided with heating rod and stretches out hole 1901, nozzle opening 1901, oil pipe hole
1903.Nozzle opening a diameter of Φ 0.8 or Φ 1.0 or Φ 1.2 or Φ 1.5 or Φ 1.7 or Φ 2.0.Reverse guide fan blade 16 and point
Firearm fan blade oversheath 15, go out fire expansion leaf 14, taper air flow guiding leaf 13 and constitute air-flow mixing chamber.
Igniter flange 3 is used to fix low-temperature igniter, and igniter flange 3 is surrounded by fixing hole ear 301, igniter method
Blue 3 sidepieces are provided with fire rod assembly installation cavity 302, valve mounting hole 303, oil nozzle mounting hole 304, in the inner chamber of igniter flange 3
Provided with support reinforcing ledges 305.Oil nozzle fixture 27, valve fixture 28, igniter insulating plug are installed on igniter flange 3
2nd, fire rod coaming plate 29.Fire rod coaming plate 29 uses stainless steel pressing, for protecting fire rod lead 1, fire rod 7, carrying
Fluid sealant 4.Igniter insulating plug 2 is aluminum silicate ceramic device, for fixing point lighted torch lead 1, while plays and fire rod is drawn
Line 1 such as is insulated, is heat-insulated at the protective effect.
The rear end of fire rod 7 and ignition fuse 1 are sealed in by fire rod coaming plate 5, igniter method between connecting using fluid sealant 4
In the annular seal space that orchid 3, fire rod cover plate 29 are formed.Fluid sealant 4 uses refractory ceramics glue, draws for fixing point lighted torch 7, fire rod
Line 1, while insulation and heat-insulated effect are played to fire rod lead.Igniter flange 3 is built-in with igniter flange plug 2.Igniting
Rod lead 1 using resistance to 500 DEG C of high temperature above pure nickel or nickel plating electric wire, for heating rod provide DC24V, DC12V,
AC220/50hz, AC110/50HZ power supply.Fire rod 7 is electric resistor heater, and thermal insulation layer is cased with fire point rod 7.
The igniting renovation process of the reverse rectification assembly of its diesel engine DPF low-temp recovery igniter air-flows, to point
Continued power of the lighted torch 7 through row a period of time, it is final to enable heat accumulation piece 6, thermal store partition 22 to lay in enough heat energy, then
Simultaneously or timesharing starts fuel feeding and supply, the heat of heat accumulation piece 6 cause diesel oil to be gasificated into oil vapour, and reaches the burning-point temperature of diesel oil
Degree, be ejected into by the nozzle opening on thermal store bottom 19 in loudspeaker conduit 11, while ozone by gas channels most
11 mixed in loudspeaker conduit with oil vapour eventually, trigger to light forming naked light by the front end high temperature head of fire rod 7, oil pipe stage casing is curved
Bent portions and air heating chamber receive the heat of naked light so that and fuel feeding is persistently gasificated into high temperature oil vapour at tubing bending,
Supply just enters taper combustion tube 9 and oil vapour mixing ignition after heating simultaneously, so ensures that whole combustion process
Continuity；Gas mixture in tapered air combustion tube 9 and loudspeaker air heat storage tube 12, go out the combustion that fire expansion leaf 14 formed
Burn interior to obtain after fully burning to greatest extent, be ejected into through going out fire expansion leaf 14 by igniter fan blade oversheath 15 and reverse
Air-flow mixing chamber that water conservancy diversion fan blade 16 is formed (or be ejected into through going out fire expansion leaf 14 by the He of igniter fan blade oversheath 15
The air-flow mixing chamber that flow spoiler is formed）, by going out the rectification of fire expansion leaf 14, thermal current is in clockwise with flame herein（Or
Counterclockwise）Rotation, while rectification of the engine exhaust through taper air flow guiding leaf 13, the air-flow into air-flow mixing chamber are also in suitable
Hour hands（Or counterclockwise）Rotation, thermal current, flame, motor exhaust further burn and are well mixed in air-flow mixing chamber
Afterwards, discharged through reverse guide fan blade 16, reverse guide fan blade 16 is designed to counterclockwise（Or clockwise）Rotation（Or through flow-disturbing
It the flow-disturbing of device, can discharge mixed airflow straight uniform）, it is ensured that the air flow rate and Temperature Distribution of discharge air-flow mixing chamber
Uniformity, so as to ensure random effective and DPF the complete regeneration of temperature control point.Diesel engine DPF low-temp recovery igniter handles
Flame sprays in diameter 4cm caliber, and by repeatedly mixing, fully burning, it is a diameter of finally make it that thermal current is diffused into
In 30cm planes, gas flow temperature is consistent with uniform flow distribution, and temperature reaches more than 600 DEG C.Diesel engine DPF low temperature is again
Raw igniter in diameter 4cm caliber sprays flame with the reverse rectification assembly of air-flow, by repeatedly mixing, fully combustion
Burn, finally thermal current is diffused into a diameter of 30cm planes, gas flow temperature is consistent with uniform flow distribution, and temperature reaches
More than 600 DEG C.
It is to be understood that：Although above-described embodiment is contrasted to the mentality of designing of the present invention, detailed word is retouched
State, but these word descriptions, simply the simple text of mentality of designing of the present invention is described, rather than to mentality of designing of the present invention
Limitation, any combination, increase or modification without departing from mentality of designing of the present invention, each fall within protection scope of the present invention.
Claims (2)
1. a kind of reverse rectification assembly of diesel engine DPF low-temp recoveries igniter air-flow, it is characterized in that：Loudspeaker air stores up
Heat pipe big opening end is equipped with out fire expansion leaf, and loudspeaker air heat storage tube uses stainless steel reduced pipe, and it can rise steady to burned flame
Fixed and guiding effect, while ensure that fuel oil can fully burn；Taper air flow guiding leaf uses special stainless steel plate, and it can be to hair
Motivation exhaust carries out rectification, and its taper air flow guiding leaf is distributed in loudspeaker air heat accumulation pipe outer wall and taper air flow guiding leaf and set
Igniter fan blade oversheath inwall thereon touches, reverse guide fan blade with by loudspeaker air heat storage tube, taper air flow guiding
Leaf is relative with the fluid radome fairing for going out fire expansion leaf composition and is located in igniter fan blade oversheath, the water conservancy diversion of reverse guide fan blade
Direction is in opposite direction with going out fire expansion leaf water conservancy diversion.
2. the reverse rectification assembly of diesel engine DPF low-temp recoveries igniter air-flow according to claim 1, it is special
Sign is：Reverse guide fan blade and igniter fan blade oversheath, go out fire expansion leaf, taper air flow guiding leaf and constitute air-flow mixing
Room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847070.0A CN104564242B (en) | 2014-12-31 | 2014-12-31 | The reverse rectification assembly of diesel engine DPF low-temp recovery igniter air-flows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847070.0A CN104564242B (en) | 2014-12-31 | 2014-12-31 | The reverse rectification assembly of diesel engine DPF low-temp recovery igniter air-flows |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104564242A CN104564242A (en) | 2015-04-29 |
| CN104564242B true CN104564242B (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410847070.0A Expired - Fee Related CN104564242B (en) | 2014-12-31 | 2014-12-31 | The reverse rectification assembly of diesel engine DPF low-temp recovery igniter air-flows |
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| CN (1) | CN104564242B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523077B (en) * | 2016-12-29 | 2020-06-19 | 杭州恒浦机械设备有限公司 | Diesel engine exhaust aftertreatment regenerating unit |
| CN109373349B (en) * | 2018-11-07 | 2024-04-09 | 海宁托博特种陶瓷制品有限公司 | DPF silicon nitride ignition rod for diesel exhaust treatment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1534173A (en) * | 2003-03-28 | 2004-10-06 | 上海江迪数码科技有限公司 | Internal combustion engine waste gas purifying noise suppresor |
| CN101270685A (en) * | 2008-04-18 | 2008-09-24 | 湖南大学 | Active heat reclaiming method and device for diesel engine particulate drip catcher |
| CN204457952U (en) * | 2014-12-31 | 2015-07-08 | 贵州黄帝车辆净化器有限公司 | The reverse rectification assembly of diesel engine DPF low-temp recovery ignition mechanism air-flow |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020162333A1 (en) * | 2001-05-02 | 2002-11-07 | Honeywell International, Inc., Law Dept. Ab2 | Partial premix dual circuit fuel injector |
| US8434299B2 (en) * | 2003-02-19 | 2013-05-07 | International Engine Intellectual Property Company, Llc. | Strategy employing exhaust back-pressure for burning soot trapped by a diesel particulate filter |
-
2014
- 2014-12-31 CN CN201410847070.0A patent/CN104564242B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1534173A (en) * | 2003-03-28 | 2004-10-06 | 上海江迪数码科技有限公司 | Internal combustion engine waste gas purifying noise suppresor |
| CN101270685A (en) * | 2008-04-18 | 2008-09-24 | 湖南大学 | Active heat reclaiming method and device for diesel engine particulate drip catcher |
| CN204457952U (en) * | 2014-12-31 | 2015-07-08 | 贵州黄帝车辆净化器有限公司 | The reverse rectification assembly of diesel engine DPF low-temp recovery ignition mechanism air-flow |
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| CN104564242A (en) | 2015-04-29 |
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Address after: 556011 the first industrial park of Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Patentee after: Guizhou Huang Cheng Polytron Technologies Inc Address before: 556011 the first industrial park of Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Patentee before: Hangzhou Yiche Vehicle Decontamination Machine Co., Ltd. |
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Granted publication date: 20180116 Termination date: 20181231 |
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