CN2758507Y - Auxiliary premixed combustion device used for diesel oil engine cold starting - Google Patents
Auxiliary premixed combustion device used for diesel oil engine cold starting Download PDFInfo
- Publication number
- CN2758507Y CN2758507Y CNU200420048274XU CN200420048274U CN2758507Y CN 2758507 Y CN2758507 Y CN 2758507Y CN U200420048274X U CNU200420048274X U CN U200420048274XU CN 200420048274 U CN200420048274 U CN 200420048274U CN 2758507 Y CN2758507 Y CN 2758507Y
- Authority
- CN
- China
- Prior art keywords
- chamber
- combustion
- wall
- firing chamber
- pipe
- 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 - Lifetime
Links
Landscapes
- Spray-Type Burners (AREA)
Abstract
The utility model relates to an auxiliary premixed combustion device used for diesel oil engine cold starting, which comprises a combustion chamber and a preevaporation chamber. The inner wall/ 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 body of the combustion chamber. The inner wall/outer wall of the preevaporation chamber is provided with electric heating wires/rods. The outer wall of the preevaporation chamber is sheathed with a fluid cavity, and the inlet position of the preevaporation chamber is provided with a fuel nozzle and an air inlet pipe. The combustion chamber is communicated with the preevaporation chamber through a thin pipe type backfire preventing pipe, and the outlet end of the backfire preventing pipe is provided with a swirler. An outlet of the combustion chamber is communicated with the fluid cavity positioned outside the preevaporation chamber through a fume recirculation pipe. The utility model uses the mode of preevaporation to premixed combustion to replace the traditional mode of diffusion combustion. Besides, the utility model ensures more compact size of combustion equipment, raises heat discharge efficiency and combustion efficiency in finite space, effectively prevents the carbon attachment and deposition on the wall surface of a machine member, and effectively reduces nitrogen oxides and unburned off hydrocarbons in the tail gas generated by combustion.
Description
Technical field
The utility model relates to firing unit, particularly 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 equipment 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 purpose of this utility model is to overcome the defective of above-mentioned fuel heater, and provide a kind of auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up, its innovative point is: adopt prevapourising-premixed combustion to replace traditional diffusive combustion, 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 utility model is as follows:
The auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up that the utility model provides 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 that the utility model provides belongs to fuel Heating, its advantage is: adopt prevapourising-premixed combustion mode to replace traditional diffusive combustion, 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 utility model;
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
Glow plug 10 fluid outputs 72 metal grill plates 12
Embodiment
Accompanying drawing 1 is a structural representation of the present utility model; By Fig. 1 and Fig. 2 as can be known, the auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up that the utility model provides 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 utility model 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 utility model.
Claims (6)
1, a kind of auxiliary premixing combustion apparatus that is used for the diesel engine cold start-up comprises firing chamber (1), it is characterized in that, also comprises 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 |
|---|---|---|---|
| CNU200420048274XU CN2758507Y (en) | 2004-04-13 | 2004-04-13 | Auxiliary premixed combustion device used for diesel oil engine cold starting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200420048274XU CN2758507Y (en) | 2004-04-13 | 2004-04-13 | Auxiliary premixed combustion device used for diesel oil engine cold starting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2758507Y true CN2758507Y (en) | 2006-02-15 |
Family
ID=36078649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200420048274XU Expired - Lifetime CN2758507Y (en) | 2004-04-13 | 2004-04-13 | Auxiliary premixed combustion device used for diesel oil engine cold starting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2758507Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328497C (en) * | 2004-04-08 | 2007-07-25 | 中国科学院工程热物理研究所 | Assistant premixed burner of diesel engine for cool start |
| CN104747341A (en) * | 2015-03-16 | 2015-07-01 | 陈光宁 | Novel fuel oil heater |
| CN110080918A (en) * | 2019-05-13 | 2019-08-02 | 中国人民解放军陆军装甲兵学院 | A kind of preheating device and pre-heating mean based on diesel engine radiators heat |
-
2004
- 2004-04-13 CN CNU200420048274XU patent/CN2758507Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328497C (en) * | 2004-04-08 | 2007-07-25 | 中国科学院工程热物理研究所 | Assistant premixed burner of diesel engine for cool start |
| CN104747341A (en) * | 2015-03-16 | 2015-07-01 | 陈光宁 | Novel fuel oil heater |
| WO2016146054A1 (en) * | 2015-03-16 | 2016-09-22 | 陈光宁 | Fuel oil heater |
| CN110080918A (en) * | 2019-05-13 | 2019-08-02 | 中国人民解放军陆军装甲兵学院 | A kind of preheating device and pre-heating mean based on diesel engine radiators heat |
| CN110080918B (en) * | 2019-05-13 | 2023-10-31 | 中国人民解放军陆军装甲兵学院 | Preheating device and preheating method based on heating of diesel engine radiator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105114193A (en) | Fuel feed method of methanol/diesel dual-fuel diesel engine | |
| CN109973266A (en) | A kind of the methanol engine cold-starting device and method of multi-stage jet | |
| Yilmaz et al. | Some perspectives on alcohol utilization in a compression ignition engine | |
| CN1328497C (en) | Assistant premixed burner of diesel engine for cool start | |
| CN2758507Y (en) | Auxiliary premixed combustion device used for diesel oil engine cold starting | |
| CN101149034B (en) | Preheating gas admission method and device used for automobile cold-starting | |
| CN116771486A (en) | Pre-combustion chamber igniter, methanol engine and cold start control method thereof | |
| CN107795360A (en) | Igniter for diesel motor exhaust processing | |
| CN207620934U (en) | A kind of combustion engine energy-saving emission reduction device | |
| GB2376047A (en) | Fuel injector with a protectively coated tip | |
| CN2750069Y (en) | Electric jet methanol engine cold starting device | |
| CN200943539Y (en) | Oil water mixing and combustion device of internal combustion engine | |
| CN200961540Y (en) | Oil saver | |
| Krisandika et al. | Effects of advancing injection timing on the engine performances and emissions of a diesel engine with 35% water in diesel emulsion fuel | |
| RU75699U1 (en) | DEVICE FOR HEATING OF ABSORBED AIR IN INTERNAL COMBUSTION ENGINES | |
| CN200958452Y (en) | Auxiliary ignitor for automobile cooling start | |
| CN2720144Y (en) | Two-heating-tube flame preheating plug for diesel engine | |
| CN200946539Y (en) | Fuel-oil economizer | |
| KR200497453Y1 (en) | Fuel Supply Apparatus Having Temperature Maintenance Structure | |
| CN2856741Y (en) | Gasifying head of burning alcohol-base fuel for diesel stove | |
| CN209925127U (en) | Fuel evaporation-promoting energy-saving device for internal combustion engine | |
| CN206582010U (en) | Igniter and low temperature heating device for diesel motor exhaust processing | |
| CN2787860Y (en) | Mixed gas pre-heating type single-cylinder small-sized general gasoline engine | |
| CN2355116Y (en) | engine with fuel vaporization injection device | |
| CN206600193U (en) | Preheating structure and igniter for diesel motor exhaust purified treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20040413 |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20040413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |