CN1328497C - Assistant premixed burner of diesel engine for cool start - Google Patents
Assistant premixed burner of diesel engine for cool start Download PDFInfo
- Publication number
- CN1328497C CN1328497C CNB2004100308432A CN200410030843A CN1328497C CN 1328497 C CN1328497 C CN 1328497C CN B2004100308432 A CNB2004100308432 A CN B2004100308432A CN 200410030843 A CN200410030843 A CN 200410030843A CN 1328497 C CN1328497 C CN 1328497C
- Authority
- CN
- China
- Prior art keywords
- chamber
- wall
- combustion
- firing chamber
- prevapourising
- 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.)
- Expired - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 34
- 239000000446 fuel Substances 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 22
- 238000010304 firing Methods 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 28
- 238000005496 tempering Methods 0.000 claims description 13
- 210000005239 tubule Anatomy 0.000 claims description 13
- 238000000889 atomisation Methods 0.000 claims description 8
- 239000002283 diesel fuel Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 9
- 239000007789 gas Substances 0.000 abstract description 5
- 238000009792 diffusion process Methods 0.000 abstract description 4
- 238000005485 electric heating Methods 0.000 abstract description 4
- 229930195733 hydrocarbon Natural products 0.000 abstract description 4
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract 7
- 238000001704 evaporation Methods 0.000 abstract 7
- 238000000151 deposition Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 239000010721 machine oil Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 208000037805 labour Diseases 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The present invention relates to an assistant premixed burner for the cold start of diesel engines, which comprises a combustion chamber and a pre-evaporation chamber, wherein the inner wall / the outer wall of the combustion chamber is provided with electric heating wires / rods, and the inlet end of the combustion chamber is provided with a spark plug communicated with a cavity of the combustion chamber; the inner wall / the outer wall of the pre-evaporation chamber is provided with electric heating wires / rods; the outer wall of the pre-evaporation chamber is sheathed with a fluid cavity; the position of an inlet of the pre-evaporation chamber is provided with a fuel nozzle and an air inlet pipe; the combustion chamber and the pre-evaporation chamber are communicated by a thin pipe type backfire preventing pipe of which the outlet end is provided with a cyclone; an outlet of the combustion chamber is communicated with the fluid cavity positioned outside of the pre-evaporation chamber by a gas recirculation pipe. The present invention uses a pre-evaporation and premixed combustion mode to replace the conventional diffusion combustion mode so that the dimension of combustion equipment is compact, the heat discharge efficiency and the combustion efficiency in a limited space are greatly improved so as to effectively prevent carbon from attaching and depositing on the wall faces of workpieces and effectively reduce nitrogen oxides and unburnt hydrocarbons in tail gas generated by combustion.
Description
Invention field
The present invention relates to a kind of auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up.
Background technique
Under the cryogenic conditions, diesel engine is unfavorable for the atomizing and the burning of fuel oil owing to fuel viscosity increases, and the lubricant oil property variation that flows increases each motion component resistance, adds the influence of factor such as battery-operated ability reduction, very easily causes the engine start difficulty.The conventional method that adopts has: filling cold starting liquid, flame advanced ignition, hot water preheating method, electric preheating method and fuel heater heating etc.
Cold starting liquid is a kind of assistant starting fuel (by ether, the hydrocarbon of low volatilization point is formed with the low condensation point machine oil that has additive), and wherein the low condensation point machine oil that has additive of Jia Ruing can improve the lubricating condition of cylinder wall, reaches the purpose of startup.Though this kind startup method can be at the moment ato unit, but because the temperature of machine oil is low at this moment, viscosity is bigger, starting the back oils seldom at a period of time inside cylinder wall, lubricating condition is abominable, will form dry friction between the parts of reciprocating and rotation motion in the body during engine operation, make the component wear aggravation.
The working procedure of flame advanced ignition method is, connects Starter after glow plug is heated to 850-950 ℃, carries out the flame advanced ignition.Adopt this device that motor was started in moment, but difficulty of running into and filling primer fluid method are similar.The high temperature that dry friction produces can make the friction surface metal molten, very easily causes parts stuck.
The hot water preheating method is boiling water to be carried out the preheating of power system.This method is one of the most original method, does not have anything to threaten substantially to engine components, but is manual operation substantially, and workload is bigger.
The fuel heater heating is the new in recent years low temperature assistant starting mode that adopts, this cold-starting mode is by the subsidiary water pump of fuel heater the cooling liquid in the engine body to be extracted out, be recycled in the engine body after being heated by fuel heater, with this heated engine, reach the purpose of ato unit under the cryogenic conditions.Whole heating process needs 30-40min, the engine body temperature can be heated to about 40-50 ℃, and this moment, the machine oil of motor was also heated, and the viscosity of machine oil reduces, and the lubricating condition of motor under cryogenic conditions improved, and motor is started smoothly.This cold-starting mode advantage is obvious, can avoid a large amount of hand labors, can not have the stuck and scuffing of cylinder bore accident potential of parts, and the startability of motor under the low-temperature cold condition improved greatly.But, fuel heater commonly used at present adopts diffusion combustion mode substantially, fuel heater itself carries out heating system as auxiliary combustion, oversize, in limited space, realize diffusive combustion, especially the diffusive combustion of high carbon chain fuel is easy to take place incomplete combustion, causes waste of fuel, tail gas pollution and carbon distribution phenomenon.
Summary of the invention
The fuel heater heating that belongs to of the present invention, its innovative point is: adopt prevapourising-premixed combustion to replace traditional diffusion combustion method, the size of fuel-burning equipment is compact more, the exothermal efficiency and the combustion efficiency of the confined space improve greatly, can effectively prevent the adventitious deposit of blocking on the parts wall, the hydrocarbon of nitrogen oxide and unburned cinder is all effectively reduced in the tail gas that burning produces.
Embodiment of the present invention are as follows:
The auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up provided by the invention comprises firing chamber 1 and prevapourising chamber 7; Electrical heating wire or electrical heating rod 2 are housed on the inwall of described firing chamber 1 or the outer wall, and the entry end of firing chamber 1 is installed the glow plug 10 that communicates with the firing chamber cavity; The inwall of described prevapourising chamber 7 or/electrical heating wire or electrical heating rod 4 are housed on the outer wall, be with fluid chamber 71 on the periphery wall of prevapourising chamber 7, fuel atomization nozzle 5 and air inlet pipe 6 are equipped with respectively in the inlet of described prevapourising chamber 7; Prevent to manage 3 by the tempering of tubule formula between described firing chamber 1 and the prevapourising chamber 7 and be connected, the tempering of described tubule formula prevents to manage 3 outlet end cyclone separator 8 is housed; The outlet of described firing chamber 1 is connected by flue gas recirculation pipe 9 with fluid chamber 71 outside being positioned at prevapourising chamber 7; Described fluid chamber 71 is provided with fluid output.
Described fuel atomization nozzle 5 is atomizing nozzle, vortex atomizing nozzle or ultrasonic wave atomizing nozzle; The tempering of described tubule formula prevents to manage 3 diameter and wants enough carefully, and carefully extremely: its tubule formula tempering prevents to manage in 3 flow rate of fluid greater than the speed of firing chamber 1 inner fluid; The spark plug 10 of described firing chamber 1 is lighted by the airborne storage battery of diesel oil; For making firing chamber 1 internal combustion more become uniform and stable, can metal grill plate 12 be arranged in the flame upstream arrangement of described firing chamber 1; Described electrical heating wire or electrical heating rod 4 are by the airborne storage battery power supply heating of diesel oil.
The auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up provided by the invention belongs to fuel heater, its advantage is: adopt prevapourising-premixed combustion mode to replace traditional diffusion combustion method, the size of fuel-burning equipment is compact more, the exothermal efficiency and the combustion efficiency of the confined space improve greatly, can effectively prevent the adventitious deposit of blocking on the parts wall, the hydrocarbon of nitrogen oxide and unburned cinder is all effectively reduced in the tail gas that burning produces.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention;
Wherein: firing chamber 1 electric heating wire/excellent 2 tubule formula tempering prevent to manage 3
Electric heating wire/excellent 4 fuel nozzles, 5 air inlet pipes 6
Prevapourising chamber 7 cyclone separators, 8 flue gas recirculation pipes 9
Embodiment
Accompanying drawing 1 is a structural representation of the present invention; As shown in Figure 1, the auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up provided by the invention comprises firing chamber 1 and prevapourising chamber 7; Electrical heating wire or electrical heating rod 2 are housed on the inwall of described firing chamber 1 or the outer wall, and the entry end of firing chamber 1 is installed the glow plug 10 that communicates with the firing chamber cavity; The inwall of described prevapourising chamber 7 or/electrical heating wire or electrical heating rod 4 are housed on the outer wall, be with fluid chamber 71 on the periphery wall of prevapourising chamber 7, fuel atomization nozzle 5 and air inlet pipe 6 are equipped with respectively in the inlet of described prevapourising chamber 7; Prevent to manage 3 by the tempering of tubule formula between described firing chamber 1 and the prevapourising chamber 7 and be connected, the tempering of described tubule formula prevents to manage 3 outlet end cyclone separator 8 is housed; The outlet of described firing chamber 1 is connected by flue gas recirculation pipe 9 with fluid chamber 71 outside being positioned at prevapourising chamber 7; Described fluid chamber 71 is provided with fluid output.
Described fuel atomization nozzle 5 is atomizing nozzle, vortex atomizing nozzle or ultrasonic wave atomizing nozzle; The tempering of described tubule formula prevents to manage 3 diameter and wants enough carefully, and carefully extremely: its tubule formula tempering prevents to manage in 3 flow rate of fluid greater than the speed of firing chamber 1 inner fluid; The glow plug 10 of described firing chamber 1 is lighted by the airborne storage battery of diesel oil; For making firing chamber 1 internal combustion more become uniform and stable, can metal grill plate 12 be arranged in the flame upstream arrangement of described firing chamber 1; Described electrical heating wire or electrical heating rod 4 are by the airborne storage battery power supply heating of diesel oil.
Working procedure of the present invention is as follows:
1) at first the positive and negative electrode that electrical heating wire 2 (can certainly be electrical heating rod) is housed on firing chamber 1 outer wall (can certainly be inwall) is linked to each other with the airborne storage battery of diesel engine, preheating is carried out in firing chamber 1 and prevapourising chamber 7;
2) provide fuel and air by fuel atomization nozzle 5 and air inlet pipe 6 to prevapourising chamber 7 respectively, and by the airborne storage battery of diesel engine glow plug is lighted a fire and to burn; (its fuel atomization nozzle 5 can be atomizing nozzle, vortex atomizing nozzle or ultrasonic wave atomizing nozzle, and present embodiment is an atomizing nozzle, uses the sort of atomizer nozzle actually, and those skilled in the art can be free as required)
3) after steady burning, close the airborne storage battery of glow plug and diesel engine;
4) by water pump the cooling liquid in the engine body of diesel engine is extracted out, be recycled in the engine body after being heated by this device,, reach the purpose of ato unit under the cryogenic conditions with this heated engine.
5) close auxiliary premixing combustion apparatus of the present invention.
Claims (6)
1, a kind of auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up comprises firing chamber (1) and prevapourising chamber (7);
Electrical heating wire or electrical heating rod (2) are housed on the inwall of described firing chamber (1) or the outer wall, and the entry end of firing chamber (1) is installed the glow plug (10) that communicates with the firing chamber cavity; Electrical heating wire or electrical heating rod (4) are housed on the inwall of described prevapourising chamber (7) or the outer wall, be with fluid chamber (71) on the periphery wall of prevapourising chamber (7), fuel atomization nozzle (5) and air inlet pipe (6) are equipped with respectively in the inlet of described prevapourising chamber (7);
Prevent that by the tempering of tubule formula pipe (3) is connected between described firing chamber (1) and prevapourising chamber (7), the tempering of described tubule formula prevents that the outlet end of pipe (3) is equipped with cyclone separator (8);
The outlet of described firing chamber (1) is connected by flue gas recirculation pipe (9) with fluid chamber (71) outside being positioned at prevapourising chamber (7); Described fluid chamber (71) is provided with fluid output (72).
2, by the described auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up of claim 1, it is characterized in that described fuel atomization nozzle (5) is atomizing nozzle, vortex atomizing nozzle or ultrasonic wave atomizing nozzle.
3, by the described auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up of claim 1, it is characterized in that, the diameter that the tempering of described tubule formula prevents pipe (3) carefully extremely: its tubule formula tempering prevents that flow rate of fluid is greater than the speed of firing chamber (1) inner fluid in the pipe (3).
By the described auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up of claim 1, it is characterized in that 4, the spark plug (10) of described firing chamber (1) is lighted by the airborne storage battery of diesel oil.
5, by the described auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up of claim 1, it is characterized in that the flame upstream arrangement of described firing chamber (1) has metal grill plate (12).
By the described auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up of claim 1, it is characterized in that 6, described electrical heating wire or electrical heating rod (4) are by the airborne storage battery power supply heating of diesel oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100308432A CN1328497C (en) | 2004-04-08 | 2004-04-08 | Assistant premixed burner of diesel engine for cool start |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100308432A CN1328497C (en) | 2004-04-08 | 2004-04-08 | Assistant premixed burner of diesel engine for cool start |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1680706A CN1680706A (en) | 2005-10-12 |
| CN1328497C true CN1328497C (en) | 2007-07-25 |
Family
ID=35067407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100308432A Expired - Fee Related CN1328497C (en) | 2004-04-08 | 2004-04-08 | Assistant premixed burner of diesel engine for cool start |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1328497C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458281C (en) * | 2006-07-05 | 2009-02-04 | 山东大学 | Evaporation mixing combustion mode for liquid fuel and combustion chamber therefor |
| EP2110601A1 (en) | 2008-04-15 | 2009-10-21 | Siemens Aktiengesellschaft | Burner |
| CN106930838B (en) * | 2017-03-16 | 2018-04-17 | 北京驰宇空天技术发展有限公司 | A kind of aero-engine ignition device and ignition method using aviation kerosine |
| CN109084986A (en) * | 2018-09-18 | 2018-12-25 | 江苏心源航空科技有限公司 | A kind of combustion test ultrasonic fuel atomising device |
| CN109268147B (en) * | 2018-12-03 | 2023-05-09 | 刘慕华 | Ignition method and ignition device of gas turbine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035802U (en) * | 1988-02-06 | 1989-04-12 | 王富 | Low-temperature-starting preheating device for internal combustion engine |
| EP1002946A2 (en) * | 1998-11-19 | 2000-05-24 | Bayerische Motoren Werke Aktiengesellschaft | Fuel system with starting aid for combustion engines |
| CN2500830Y (en) * | 2001-04-06 | 2002-07-17 | 杜鸿钧 | Low-temp starting preheater for automobile |
| CN2758507Y (en) * | 2004-04-13 | 2006-02-15 | 中国科学院工程热物理研究所 | Auxiliary premixed combustion device used for diesel oil engine cold starting |
-
2004
- 2004-04-08 CN CNB2004100308432A patent/CN1328497C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035802U (en) * | 1988-02-06 | 1989-04-12 | 王富 | Low-temperature-starting preheating device for internal combustion engine |
| EP1002946A2 (en) * | 1998-11-19 | 2000-05-24 | Bayerische Motoren Werke Aktiengesellschaft | Fuel system with starting aid for combustion engines |
| CN2500830Y (en) * | 2001-04-06 | 2002-07-17 | 杜鸿钧 | Low-temp starting preheater for automobile |
| CN2758507Y (en) * | 2004-04-13 | 2006-02-15 | 中国科学院工程热物理研究所 | Auxiliary premixed combustion device used for diesel oil engine cold starting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1680706A (en) | 2005-10-12 |
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