CN104564244A - Flared guide pipe forming assembly structure of DPF low-temperature regeneration igniter of diesel engine - Google Patents
Flared guide pipe forming assembly structure of DPF low-temperature regeneration igniter of diesel engine Download PDFInfo
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- CN104564244A CN104564244A CN201410846961.4A CN201410846961A CN104564244A CN 104564244 A CN104564244 A CN 104564244A CN 201410846961 A CN201410846961 A CN 201410846961A CN 104564244 A CN104564244 A CN 104564244A
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- air
- loudspeaker
- conduit
- diesel engine
- igniter
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Abstract
The invention relates to a flared guide pipe forming assembly structure of a DPF low-temperature regeneration igniter of a diesel engine. The flared guide pipe forming assembly structure is capable of guiding the fuel oil to be combusted thoroughly in a specific direction and protecting an ignition rod from being cooled or extinguished by fresh air, and also guiding the fresh air; the flared section of a flared guide pipe is expanded by use of a plurality of guide pipe strips connected with the straight pipe section of the flared guide pipe; a groove is formed between every two guide pipe strips; an air inlet is formed in the lower portion of the straight pipe section of the flared guide pipe. The flared guide pipe forming assembly structure of the DPF low-temperature regeneration igniter of the diesel engine has the advantages that the purpose of guiding the fuel oil to be combusted thoroughly in the specific direction is achieved, the ignition rod is protected from being cooled or extinguished by fresh air, and the fresh air can be guided.
Description
Technical field
The present invention relates to one can either guide fuel oil by specific direction Thorough combustion; cheese stick can be protected again not by fresh air blast-cold or blowing-out; also can play the shaping assembly structure of diesel engine DPF low-temp recovery igniter loudspeaker conduit of the guide functions to fresh air simultaneously, belong to diesel motor exhaust regeneration low-temperature igniter component assembly and manufacture field.
Background technique
The all CN103306782A 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.
Summary of the invention
Purpose of design: design one can either guide fuel oil by specific direction Thorough combustion; cheese stick can be protected again not by fresh air blast-cold or blowing-out, also can play the shaping assembly structure of diesel engine DPF low-temp recovery igniter loudspeaker conduit of the guide functions to fresh air simultaneously.
Design proposal: in order to realize above-mentioned purpose of design.The present invention designs one and 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 regenerate particulate trap (DPF).1, the design of tapered air flame tube: be one of technical characteristics of the present invention.The object of such design is: because tapered air flame tube is stainless steel reducer, pipe is provided with air inflow openings, fresh air can be guided to enter firing chamber for this air inflow openings and air-flow in a disguised form encloses, loudspeaker air heat storage pipe, flow rotation fan blade form in igniter firing chamber jointly, guides fuel oil to press specific direction Thorough combustion.2, the design of loudspeaker conduit is technical characteristics two of the present invention.The object of such design is: this loudspeaker conduit can be protect cheese stick not by fresh air blast-cold or blowing-out, also plays the guide functions to fresh air simultaneously.3, the design of air-flow guide collar is technical characteristics three of the present invention.The object of such design is: change nyctitropic effect because air-flow guide collar plays fresh air, ensures that fresh air fully mixes with fuel-steam, reaches the object of perfect combustion.
Technological scheme: a kind of diesel engine DPF low-temp recovery igniter specialized loudspeaker conduit, loudspeaker section in loudspeaker conduit is formed by several conduit bar enlarging being company with loudspeaker conduit straight length, be groove between conduit bar and conduit bar, loudspeaker conduit straight length bottom has air inlet hole.
The present invention is compared with background technique, and one is both served to guide fuel oil by the clean-burning object of specific direction, serves again protection cheese stick not by fresh air blast-cold or blowing-out; Two is play the guide functions to fresh air.
Accompanying drawing explanation
Fig. 1 is the structural representation of the shaping assembly structure of diesel engine DPF low-temp recovery igniter loudspeaker conduit.
Fig. 2 is the structural representation of loudspeaker conduit in Fig. 1.
Fig. 3 is the perspective view of Fig. 2.
Fig. 4 is the structural representation of diesel engine DPF low-temp recovery igniter.
Fig. 5 is the structural representation of tapered air flame tube in Fig. 4.
Fig. 6 is the structural representation that Fig. 4 hollow conductance flow point falls apart.
Fig. 7 is the structural representation of air-flow guide collar in Fig. 4.
Fig. 8 is the structural representation of thermal store bottom in Fig. 4.
Fig. 9 is the structural representation of igniter flange in Fig. 4.
Figure 10 is the structural representation of cheese stick coaming plate in Fig. 4.
Figure 11 is the structural representation of taper tube oversheath (pipe) in Fig. 4.
Embodiment
Embodiment 1: with reference to accompanying drawing 1-3.A kind of diesel engine DPF low-temp recovery igniter specialized loudspeaker conduit, loudspeaker section in loudspeaker conduit 11 is formed by several conduit bar 1101 enlarging being company with loudspeaker conduit straight length, be groove 1102 between conduit bar and conduit bar, loudspeaker conduit straight length bottom has air inlet hole 1103.Loudspeaker section in loudspeaker conduit 11 and straight length in a disguised form enclose 17 and air conducting dispersion plate 8 and tapered air flame tube 9 clamping respectively by air-flow.Tapered air flame tube 9 front portion has inlet hole 901.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.
Embodiment 2: with reference to accompanying drawing 4-11.On the basis of embodiment 1, a kind of diesel engine DPF low-temp recovery igniter, 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 in fluid cowling connects with outer pillar 10 rear port of taper tube and air flow guiding leaf 13 touches with cover igniter fan blade oversheath 15 inwall thereon, reverse guide fan blade 16 is relative with fluid cowling and be positioned at igniter fan blade oversheath 15, 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.
Fluid cowling is made up of loudspeaker air heat storage pipe 12, tapering air flow guiding leaf 13 and the expanded leaves 14 that fires; Loudspeaker air heat storage pipe 12 big opening end is equipped with the expanded leaves 14 that fires, and 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.
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.
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.
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 1902 and 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 its diesel engine DPF low-temp recovery igniter, 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 igniter 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.Diesel engine DPF low-temp recovery igniter 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 invention; but these text descriptions; just the simple text of mentality of designing of the present invention is described; instead of the restriction to mentality of designing of the present invention; any do not exceed mentality of designing of the present invention combination, increase or amendment, all fall within the scope of protection of the present invention.
Claims (5)
1. a diesel engine DPF low-temp recovery igniter specialized loudspeaker conduit, it is characterized in that: the loudspeaker section in loudspeaker conduit is formed by several conduit bar enlarging being company with loudspeaker conduit straight length, be groove between conduit bar and conduit bar, loudspeaker conduit straight length bottom has air inlet hole.
2. diesel engine DPF low-temp recovery igniter specialized loudspeaker conduit according to claim 1, is characterized in that: the loudspeaker section in loudspeaker conduit and straight length in a disguised form enclose and air conducting dispersion plate and the clamping of tapered air flame tube respectively by air-flow.
3. diesel engine DPF low-temp recovery igniter specialized loudspeaker conduit according to claim 2, is characterized in that: tapered air flame tube front portion has inlet hole.
4. diesel engine DPF low-temp recovery igniter specialized loudspeaker conduit according to claim 1, is characterized in that: air conducting dispersion plate circumferential surface has multiple air guide hole.
5. diesel engine DPF low-temp recovery igniter specialized loudspeaker conduit according to claim 1, is characterized in that: air-flow in a disguised form encloses inside and outside wall inclined-plane all ringwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846961.4A CN104564244A (en) | 2014-12-31 | 2014-12-31 | Flared guide pipe forming assembly structure of DPF low-temperature regeneration igniter of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846961.4A CN104564244A (en) | 2014-12-31 | 2014-12-31 | Flared guide pipe forming assembly structure of DPF low-temperature regeneration igniter of diesel engine |
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| Publication Number | Publication Date |
|---|---|
| CN104564244A true CN104564244A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410846961.4A Pending CN104564244A (en) | 2014-12-31 | 2014-12-31 | Flared guide pipe forming assembly structure of DPF low-temperature regeneration igniter of diesel engine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2328889Y (en) * | 1998-05-13 | 1999-07-14 | 永康市春江燃气具有限公司 | Vortex focusing high efficiency multiple function household burner for gas range |
| US20100319330A1 (en) * | 2009-06-19 | 2010-12-23 | Soon Chul Hong | Burner for diesel particulate filter regeneration |
| CN203175649U (en) * | 2013-02-22 | 2013-09-04 | 陈温乐 | Improved-type automotive black smoke discharging, burning, purifying and processing device |
| CN203285515U (en) * | 2012-12-12 | 2013-11-13 | 贵州黄帝车辆净化器有限公司 | Preheating temperature increasing device for diesel engine exhaust aftertreatment device |
| JP2014035119A (en) * | 2012-08-08 | 2014-02-24 | Hino Motors Ltd | Burner for exhaust gas purifier |
| CN204663631U (en) * | 2014-12-31 | 2015-09-23 | 贵州黄帝车辆净化器有限公司 | The shaping assembly structure of Diesel engine DPF low-temp recovery igniter loudspeaker conduit |
-
2014
- 2014-12-31 CN CN201410846961.4A patent/CN104564244A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2328889Y (en) * | 1998-05-13 | 1999-07-14 | 永康市春江燃气具有限公司 | Vortex focusing high efficiency multiple function household burner for gas range |
| US20100319330A1 (en) * | 2009-06-19 | 2010-12-23 | Soon Chul Hong | Burner for diesel particulate filter regeneration |
| JP2014035119A (en) * | 2012-08-08 | 2014-02-24 | Hino Motors Ltd | Burner for exhaust gas purifier |
| CN203285515U (en) * | 2012-12-12 | 2013-11-13 | 贵州黄帝车辆净化器有限公司 | Preheating temperature increasing device for diesel engine exhaust aftertreatment device |
| CN203175649U (en) * | 2013-02-22 | 2013-09-04 | 陈温乐 | Improved-type automotive black smoke discharging, burning, purifying and processing device |
| CN204663631U (en) * | 2014-12-31 | 2015-09-23 | 贵州黄帝车辆净化器有限公司 | The shaping assembly structure of Diesel engine DPF low-temp recovery igniter loudspeaker conduit |
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Effective date of abandoning: 20181102 |
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