CN204457952U - The reverse rectification assembly of diesel engine DPF low-temp recovery ignition mechanism air-flow - Google Patents
The reverse rectification assembly of diesel engine DPF low-temp recovery ignition mechanism air-flow Download PDFInfo
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- CN204457952U CN204457952U CN201420864023.2U CN201420864023U CN204457952U CN 204457952 U CN204457952 U CN 204457952U CN 201420864023 U CN201420864023 U CN 201420864023U CN 204457952 U CN204457952 U CN 204457952U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000011069 regeneration method Methods 0.000 abstract description 19
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- 238000009825 accumulation Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000002309 gasification Methods 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
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- 229910001220 stainless steel Inorganic materials 0.000 description 4
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- 230000000694 effects Effects 0.000 description 3
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
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- Processes For Solid Components From Exhaust (AREA)
Abstract
The utility model relates to one can make DPF catcher in regenerative process, all permanent regeneration can be realized, avoid the reverse rectification assembly of diesel engine DPF low-temp recovery ignition mechanism air-flow locally regenerating the false picture regeneration of the DPF catcher brought, loudspeaker air heat storage pipe big opening end is equipped with the expanded leaves that fires, tapering air flow guiding leaf is distributed in loudspeaker air heat storage pipe outer wall and air flow guiding leaf touches with cover igniter fan blade oversheath inwall thereon, and reverse guide fan blade is relative with fluid cowling and be positioned at igniter fan blade oversheath.Advantage: solve in DPF trap regeneration process and cannot realize end face by the outer technical barrier closing all permanent regeneration in face inward, avoid locally regenerating bring DPF catcher frequent regeneration, hardening crack and inflammable risk that dpf regeneration that local superheating causes is potential.
Description
Technical field
The utility model relates to one can make DPF catcher in regenerative process, all permanent regeneration can be realized, avoid the reverse rectification assembly of the special air-flow of diesel engine DPF low-temp recovery ignition mechanism locally regenerating the false picture regeneration of the DPF catcher brought, belong to diesel motor exhaust regeneration low-temperature igniter and manufacture field.
Background technique
The all CN103104314A of the applicant, title " a kind of diesel engine exhaust aftertreatment device pre-heating temperature elevation device ", plug is enclosed within that on heating stick and one end of heating stick is exposed forms high temperature ignition head at mandrel outer, plug two ends are connected with diesel oil gasification chamber two ends end bracket enclosed, heat retainer to be enclosed within plug and to be positioned at diesel oil gasification chamber, burning cavity one end is connected with diesel oil gasification chamber and covers on high temperature ignition head, the external spray bar portion on the wall of burning cavity and in transport pipe of transport pipe passes diesel oil gasification chamber end cap and is positioned at diesel oil gasification chamber, the end cap being positioned at the diesel oil gasification chamber of heating stick one end has oil gas nozzle.
Model utility content
Purpose of design: design one can make DPF catcher in regenerative process, can realize all permanent regeneration, avoids the false reverse rectification assembly of diesel engine DPF low-temp recovery ignition mechanism air-flow as regenerating of the DPF catcher of local regeneration institute with industry.
Design proposal: in order to realize above-mentioned purpose of design.The utility model design one is arranged in diesel engine (car) outlet pipe, for under various working condition, the delivery temperature of diesel engine (car) can be improved rapidly, make delivery temperature within a few minutes (3-5 minute), 600 DEG C more than can be risen to from about 50 DEG C, thus reach the object of equal permanent regenerate particulate trap (DPF).The reverse rectification assembly of the special air-flow of diesel engine DPF low-temp recovery ignition mechanism.For this reason, the utility model is in structural design, and loudspeaker air heat storage pipe adopts stainless steel reducer, and it can play a part stable to flame of combustion and guide, and ensures fuel oil energy Thorough combustion simultaneously; Tapering air flow guiding leaf adopts special stainless steel plate, and it can to engine exhaust through row rectification; The expanded leaves that fires adopts stainless steel stamping part, it can flow through the clockwise or counterclockwise rectification of row to flame is gentle, play all even dispersed flame and hot air flow, make its equably to DPF catcher speed end face by outer thermal regeneration inward, thus avoid flame and hot air flow to concentrate a zonule to the heating of DPF, solve the difficult problem that the false picture of DPF regenerates the DPF frequent regeneration caused; The object of igniter fan blade oversheath design is: because igniter fan blade oversheath can either for installing low-temperature igniter, being connected to outlet pipe, play fixing and protection igniter, there is again the effect of directing exhaust gas air-flow and igniter flame and hot air flow simultaneously; The object of reverse guide fan blade design is: due to reverse guide fan blade to igniter exit flow through the clockwise or counterclockwise rectification of row, serve the effect of dispersed hot air flow, thus together serve with the expanded leaves that fires and avoid flame and hot air flow to concentrate a zonule to the heating of DPF, solve the difficult problem that the false picture of DPF regenerates the DPF frequent regeneration caused.
Technological scheme: the reverse rectification assembly of a kind of diesel engine DPF low-temp recovery ignition mechanism air-flow, loudspeaker air heat storage pipe big opening end is equipped with the expanded leaves that fires, tapering air flow guiding leaf is distributed in loudspeaker air heat storage pipe outer wall and air flow guiding leaf touches with cover igniter fan blade oversheath inwall thereon, and reverse guide fan blade is relative with fluid cowling and be positioned at igniter fan blade oversheath.
The utility model is compared with background technique, solve in DPF trap regeneration process and cannot realize end face by the outer technical barrier closing all permanent regeneration in face inward, avoid locally regenerating bring DPF catcher frequent regeneration, hardening crack and inflammable risk that dpf regeneration that local superheating causes is potential.
Accompanying drawing explanation
Fig. 1 is the special air-flow of diesel engine DPF low-temp recovery ignition mechanism reverse rectification assembly structure schematic diagram.
Fig. 2 is fluid dome structure schematic diagram in Fig. 1.
Fig. 3 is the main TV structure schematic diagram of fluid cowling in Fig. 1.
Fig. 4 is the plan structure schematic diagram of Fig. 3.
Fig. 5 is the main TV structure schematic diagram of expanded leaves of firing.
Fig. 6 is the plan structure schematic diagram of Fig. 5.
Fig. 7 is the side-looking structural representation of Fig. 5.
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 flame tube in Fig. 8.
Figure 10 is the structural representation that Fig. 8 hollow conductance flow point falls 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 cheese stick coaming plate in Fig. 8.
Figure 15 is the structural representation of taper tube oversheath (pipe) in Fig. 8.
Figure 16 is the structural representation of loudspeaker conduit in Fig. 8.
Figure 17 is the perspective view of Figure 16.
Embodiment
Embodiment 1: with reference to accompanying drawing 1-7.The reverse rectification assembly of a kind of special air-flow of diesel engine DPF low-temp recovery ignition mechanism, loudspeaker air heat storage pipe 12 big opening end is equipped with the expanded leaves 14 that fires, tapering air flow guiding leaf 13 is distributed in loudspeaker air heat storage pipe 12 outer wall and air flow guiding leaf 13 touches with cover igniter fan blade oversheath 15 inwall thereon, reverse guide fan blade 16 and fluid cowling (12,13,14) relatively and be positioned at igniter fan blade oversheath 15.Reverse guide fan blade 16 and igniter fan blade oversheath 15, the expanded leaves that fires 14, tapering air flow guiding leaf 13 constitute air-flow mixing chamber.The water conservancy diversion direction of igniter fan blade 16 is contrary with flow rotation fan blade 14 water conservancy diversion direction.
Embodiment 2: on the basis of embodiment 1, with reference to accompanying drawing 8-17.A kind of diesel engine DPF low-temp recovery ignition mechanism be made up of the reverse rectification assembly of air-flow, cheese stick 7 two ends in cheese stick assembly are arranged in outside heat reservoir assembly thermal store inner sheath 23 two ends thermal store top cover 24 and thermal store bottom 19, in loudspeaker conduit 11, cheese stick 7 and thermal store bottom 19 oil nozzle enclose within it by straight length end, tapered air flame tube 9 inwall by air conducting dispersion plate 8 and air-flow in a disguised form enclose 17 respectively with straight length in loudspeaker conduit 11 and the clamping of loudspeaker section and tapered air flame tube 9 front port and thermal store bottom 19 touch, the outer pillar 10 rear end inwall clamping of rear port and cover taper tube thereon, outer pillar 10 front end of taper tube is equipped with taper tube end cap 18, loudspeaker air heat storage pipe 12 osculum end connects with outer pillar 10 rear port of taper tube, loudspeaker air heat storage pipe 12 big opening end is equipped with the expanded leaves 14 that fires, tapering air flow guiding leaf 13 is distributed in loudspeaker air heat storage pipe 12 outer wall and air flow guiding leaf 13 touches with cover igniter fan blade oversheath 15 inwall thereon, igniter fan blade oversheath 15 front end connects with igniter flange 3 end face in cheese stick assembly, the built-in reverse guide fan blade in igniter fan blade oversheath 15 rear end and connecting with DPF trap outlet, oil pipe 25 filler opening is communicated with the oil intake nozzle be positioned on igniter flange 3 end, oil pipe 25 stage casing bends to spring-like and is arranged on tapered air flame tube 9 top, its oil pipe 25 oil outlet is arranged in the thermal store inner sheath 23 of heat reservoir assembly through thermal store bottom 19 oil-feed pore.
Tapered air flame tube 9 front portion has inlet hole 901.The water conservancy diversion direction of reverse guide fan blade 16 is contrary with flow rotation fan blade 14 water conservancy diversion direction.
Loudspeaker section in loudspeaker conduit 11 with loudspeaker conduit straight length is that the conduit bar enlarging connected forms and several conduit bars and air-flow in a disguised form enclose 17 forms fully mixing of fresh air and fuel-steam by several.Loudspeaker section in loudspeaker conduit 11 is formed by several conduit bar 1101 enlarging being company with loudspeaker conduit straight length, and be groove 1102 between conduit bar and conduit bar, loudspeaker conduit straight length bottom has air inlet hole 1103.
Tapered air flame tube 9 and air-flow in a disguised form enclose 17, loudspeaker air heat storage pipe 12, flow rotation fan blade 14 form igniter firing chamber jointly.
Taper tube oversheath 10 and tapered air flame tube 9, taper tube end cap 18 form fresh air heating chamber.Thermal store assembly is by heat accumulation sheet 6, heat accumulation partition 22, thermal store bottom 19, thermal store oversheath 20, thermal store conduit 21, thermal store inner sheath 23, thermal store top cover 24, and carbon paper 30 is formed; Thermal store bottom 19, thermal store conduit 21, thermal store inner sheath 23, thermal store top cover 24 form thermal store shell, and heat accumulation sheet 6, heat accumulation partition 22 interlock and be fixed on thermal store conduit 21, and thermal store oversheath 20 is enclosed within thermal store inner sheath 23 by carbon paper 30.
Air conducting dispersion plate 8 circumferential surface has multiple air guide hole 801.Air-flow in a disguised form encloses 17 inside and outside walls inclined-plane 1701 and 1702 all ringwise.
Thermal store bottom 19 and thermal store inner sheath 23, thermal store top cover 24, heat accumulation sheet 6, thermal store partition 22, thermal store conduit 21 form fuel Heating passage, and thermal store bottom 19 is provided with heating stick and stretches out hole 1901, nozzle opening 1901 oil pipe hole 1903.Nozzle opening diameter is 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 igniter fan blade oversheath 15, the expanded leaves that fires 14, tapering air flow guiding leaf 13 constitute air-flow mixing chamber.
Igniter flange 3 is for fixing low-temperature igniter, igniter flange 3 surrounding is provided with fixed hole ear 301, igniter flange 3 sidepiece has cheese stick assembly installation cavity 302, valve mounting hole 303, oil nozzle mounting hole 304, is provided with support reinforcing ledges 305 at igniter flange 3 inner chamber.Igniter flange 3 is provided with oil nozzle fixed block 27, valve fixed block 28, igniter insulating plug 2, cheese stick coaming plate 29.Cheese stick coaming plate 29 adopts stainless steel stamping part, for the protection of cheese stick lead-in wire 1, cheese stick 7, and carrying sealer 4.Igniter insulating plug 2 is aluminum silicate ceramic device, for immovable point lighted torch lead-in wire 1, plays protective actions such as insulating to cheese stick lead-in wire 1, heat insulation simultaneously.
In cheese stick 7 rear end adopts sealer 4 to be sealed in be made up of cheese stick coaming plate 5, igniter flange 3, cheese stick cover plate 29 Seal cage between being connected with ignition fuse 1.Sealer 4 adopts refractory ceramics glue, for immovable point lighted torch 7, cheese stick lead-in wire 1, plays insulation and heat insulation effect to cheese stick lead-in wire simultaneously.Igniter flange 3 is built-in with igniter flange plug 2.Cheese stick lead-in wire 1 adopts the resistance to pure nickel of more than 500 DEG C high temperature or the electric wire of nickel plating, for providing the power supply of DC24V, DC12V, AC220/50hz, AC110/50HZ to heating stick.Cheese stick 7 is electric resistor heater, and on fire point rod 7, cover has thermal insulation layer.
The igniting regeneration method of the reverse rectification assembly of the special air-flow of its diesel engine DPF low-temp recovery ignition mechanism, to the continued power of cheese stick 7 through row a period of time, finally make heat accumulation sheet 6, thermal store partition 22 can lay in enough heat energy, then simultaneously or timesharing start fuel feeding and air feed, the heat of heat accumulation sheet 6 makes diesel oil be gasificated into oil vapor, and reach the ignition temperature of diesel oil, be ejected in loudspeaker conduit 11 by the nozzle opening on thermal store bottom 19, simultaneously ozone finally 11 to be mixed in loudspeaker conduit with oil vapor by gas channels, triggered to light by the front end high temperature head of cheese stick 7 and form naked light, oil pipe stage casing curved section and air heating chamber accept the heat of naked light, fuel feeding is made to continue to be gasificated into high temperature oil steam at tubing bending place, air feed just enters taper flame tube 9 and oil vapor mixing ignition after heating simultaneously, this ensures that there the continuity of whole combustion process, gas mixture is at tapered air flame tube 9 and loudspeaker air heat storage pipe 12, obtain to greatest extent after Thorough combustion in the firing chamber that the expanded leaves that fires 14 forms, through the expanded leaves 14 that fires be ejected into be made up of igniter fan blade oversheath 15 and reverse guide fan blade 16 air-flow mixing chamber (or, the air-flow mixing chamber be made up of igniter fan blade oversheath 15 and flow spoiler is ejected into) through the expanded leaves 14 that fires, through the rectification of the expanded leaves 14 that fires, hot air flow and flame rotate in clockwise (or counterclockwise) herein, engine exhaust is through the rectification of tapering air flow guiding leaf 13 simultaneously, enter the air-flow of air-flow mixing chamber also in (or counterclockwise) rotation clockwise, hot air flow, flame, motor exhaust is further burning and after mixing in air-flow mixing chamber, discharge through reverse guide fan blade 16, reverse guide fan blade 16 is designed to counterclockwise (or clockwise) rotate (or, through the flow-disturbing of flow spoiler, mixed airflow straight uniform can be made to discharge), ensure that and discharge the air flow rate of air-flow mixing chamber and the uniformity of temperature distribution, thus guarantee temperature control point is effectively random and the holomorphosis of DPF.Diesel engine DPF low-temp recovery ignition mechanism sprays flame from the caliber of diameter 4cm, through repeatedly mixing, Thorough combustion, finally making hot air flow be diffused into diameter is in 30cm plane, gas flow temperature is consistent with uniform flow distribution, and temperature reaches more than 600 DEG C.The reverse rectification assembly of the special air-flow of diesel engine DPF low-temp recovery ignition mechanism sprays flame from the caliber of diameter 4cm, through repeatedly mixing, Thorough combustion, finally making hot air flow be diffused into diameter is in 30cm plane, 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 to be contrasted detailed text description to mentality of designing of the present utility model; but these text descriptions; just the simple text of the utility model mentality of designing is described; instead of the restriction to the utility model mentality of designing; any do not exceed the utility model mentality of designing combination, increase or amendment, all fall in protection domain of the present utility model.
Claims (3)
1. the reverse rectification assembly of diesel engine DPF low-temp recovery ignition mechanism air-flow, it is characterized in that: loudspeaker air heat storage pipe big opening end is equipped with the expanded leaves that fires, tapering air flow guiding leaf is distributed in loudspeaker air heat storage pipe outer wall and air flow guiding leaf touches with cover igniter fan blade oversheath inwall thereon, and reverse guide fan blade is relative with fluid cowling and be positioned at igniter fan blade oversheath.
2. the reverse rectification assembly of diesel engine DPF low-temp recovery ignition mechanism air-flow according to claim 1, is characterized in that: reverse guide fan blade and igniter fan blade oversheath, the expanded leaves that fires, tapering air flow guiding leaf constitute air-flow mixing chamber.
3. the reverse rectification assembly of diesel engine DPF low-temp recovery ignition mechanism air-flow according to claim 1 and 2, is characterized in that: the water conservancy diversion direction of igniter fan blade is contrary with flow rotation fan blade water conservancy diversion direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420864023.2U CN204457952U (en) | 2014-12-31 | 2014-12-31 | The reverse rectification assembly of diesel engine DPF low-temp recovery ignition mechanism air-flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420864023.2U CN204457952U (en) | 2014-12-31 | 2014-12-31 | The reverse rectification assembly of diesel engine DPF low-temp recovery ignition mechanism air-flow |
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| Publication Number | Publication Date |
|---|---|
| CN204457952U true CN204457952U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420864023.2U Expired - Fee Related CN204457952U (en) | 2014-12-31 | 2014-12-31 | The reverse rectification assembly of diesel engine DPF low-temp recovery ignition mechanism air-flow |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564242A (en) * | 2014-12-31 | 2015-04-29 | 贵州黄帝车辆净化器有限公司 | Airflow reverse rectification assembly for DPF low-temperature regeneration ignition device of diesel engine |
-
2014
- 2014-12-31 CN CN201420864023.2U patent/CN204457952U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564242A (en) * | 2014-12-31 | 2015-04-29 | 贵州黄帝车辆净化器有限公司 | Airflow reverse rectification assembly for DPF low-temperature regeneration ignition device of diesel engine |
| CN104564242B (en) * | 2014-12-31 | 2018-01-16 | 贵州黄帝车辆净化器有限公司 | The reverse rectification assembly of diesel engine DPF low-temp recovery igniter air-flows |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 556011 the first industrial park of Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Patentee after: GUIZHOU HUANGDI DIESEL ENGINE CLEANER CO.,LTD. Address before: 556011 the first industrial park of Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Patentee before: GUIZHOU HUANGDI DIESEL ENGINE CLEANER Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |