CN103993956A - Methyl alcohol internal combustion engine - Google Patents

Methyl alcohol internal combustion engine Download PDF

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Publication number
CN103993956A
CN103993956A CN201410225713.8A CN201410225713A CN103993956A CN 103993956 A CN103993956 A CN 103993956A CN 201410225713 A CN201410225713 A CN 201410225713A CN 103993956 A CN103993956 A CN 103993956A
Authority
CN
China
Prior art keywords
methyl alcohol
mounting hole
combustion engine
glow plug
electric heater
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.)
Pending
Application number
CN201410225713.8A
Other languages
Chinese (zh)
Inventor
张倩
荆红星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YUNCHENG CHANGYUN POWER MACHINERY CO Ltd
Original Assignee
YUNCHENG CHANGYUN POWER MACHINERY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by YUNCHENG CHANGYUN POWER MACHINERY CO Ltd filed Critical YUNCHENG CHANGYUN POWER MACHINERY CO Ltd
Priority to CN201410225713.8A priority Critical patent/CN103993956A/en
Publication of CN103993956A publication Critical patent/CN103993956A/en
Pending legal-status Critical Current

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

Abstract

The invention relates to a methyl alcohol internal combustion engine which comprises an air cylinder body and a cylinder cover arranged at the top end of the air cylinder body. An electric heater plug mounting hole is formed in the side end of the cylinder cover. An electric heater plug is arranged on the cylinder cover through the electric heater plug mounting hole. An angle of 35 degrees is formed between the electric heater plug mounting hole and the bottom end plane of the cylinder cover. The distance between the electric heater plug mounting hole and the center line of the cylinder cover is 47.5 mm. A methyl alcohol piston is arranged on the air cylinder body. The methyl alcohol piston is provided with a combustion chamber. The methyl alcohol internal combustion engine has the advantages that after the electric heater plug is arranged, methanol fuel can be stably and reliably burned in the single-cylinder internal combustion engine, noise is lowered, fuel is saved, fuel economy is improved, original engine dynamic property is maintained, emission pollutants are reduced, particulate matter and soot do not exist in the emission pollutants, and the effect of energy conservation and emission reduction is obvious.

Description

A kind of methyl alcohol internal-combustion engine
Technical field
The present invention relates to field of internal combustion engine, relate in particular to a kind of methyl alcohol internal-combustion engine.
Background technique
Domestic methanol vehicle research and development start from nineteen seventies, Shanxi Province demonstrates by the research and development of nearly 30 years, promote methanol vehicle and from " experiment and demonstration stage ", enter into " Industry Promotion stage ", in January, 2012, No. 42 file < < of national Ministry of Industry and Information about the notice > > that carries out methanol vehicle pilot work in Shanxi, Shaanxi, Shanghai carries out methanol vehicle pilot work.2013, the < < of General Office of the State Council's [2013(12 sends out in the Office of the State Council)] proposes by applying methanol fuel internal-combustion engine about the instruction > > that strengthens combustion engine energy-saving and reduce discharging, and realizes 5,000,000 tons of substitute goods fuel oils.
At present, the Application and Development of domestic methanol engine mainly concentrates in middle-small size steam oil machine, and China is large agricultural country, domestic agricultural vehicle, farm machinery, stationary machine are almost all used single cylinder diesel, and because the cetane number of methanol fuel is 3, and the cetane number of diesel oil is more than 40, and the spontaneous ignition temperature of methanol fuel is 470 ℃, diesel oil is 200-220 ℃, and the spontaneous ignition temperature of methyl alcohol is higher than diesel oil, and it is very difficult that this just makes methanol fuel burn in compression-ignition engine.
Summary of the invention
The object of this invention is to provide a kind of methyl alcohol internal-combustion engine, to overcome currently available technology above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
A kind of methyl alcohol internal-combustion engine, the cylinder cap that comprises cylinder block and be arranged on cylinder block top, at described cylinder cap side, be provided with glow plug mounting hole, by described glow plug mounting hole, glow plug is arranged on described cylinder cap, described glow plug mounting hole becomes 35 ° of angles with the bottom plane of described cylinder cap, the distance between center line of described glow plug mounting hole and described cylinder cap is 47.5mm, and described cylinder block is provided with methyl alcohol piston, and described methyl alcohol piston is provided with firing chamber.
Further, the size of described glow plug mounting hole and the size of glow plug match.
Preferably, described firing chamber is ω connected in star, and the degree of depth of described ω connected in star is 16mm.
Further, the glower temperature of described glow plug is 850 ℃.
Beneficial effect of the present invention is: use the assembling cylinder cap of glow plug and the methyl alcohol internal-combustion engine of methyl alcohol piston, combustion methanol fuel that can be stable, reduced noise, fuel saving expense, improved fuel economy, power character, greatly reduced discharge, with respect to former diesel engine, in discharge, there is no particulate matter and soot, reached the effect of energy-saving and emission-reduction.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the methyl alcohol engine cylinder head system sectional drawing of the installation glow plug of a kind of single cylinder methanol engine piston described in the embodiment of the present invention;
Fig. 2 is the cylinder cap of a kind of single cylinder methanol engine piston described in the embodiment of the present invention and the constitutional diagram of piston.
In figure:
1, cylinder cap; 2, glow plug mounting hole; 3, glow plug; 4, methyl alcohol piston; 5, cylinder block; 6, firing chamber.
Embodiment
As shown in Figure 1-2, a kind of single cylinder methanol engine described in the embodiment of the present invention, the cylinder cap 1 that comprises cylinder block 5 and be arranged on cylinder block 5 tops, at described cylinder cap 1 side, be provided with glow plug mounting hole 2, by described glow plug mounting hole 2, glow plug 3 is arranged on described cylinder cap 1, described glow plug mounting hole 2 becomes 35 ° of angles with the bottom plane of described cylinder cap 1, described glow plug mounting hole 2 is 47.5mm with the distance between center line of described cylinder cap 1, described cylinder block 5 is provided with methyl alcohol piston 4, and described methyl alcohol piston 4 is provided with firing chamber 6.
The size of the size of described glow plug mounting hole 2 and glow plug 3 matches.
Described firing chamber 6 is ω connected in star, and the degree of depth of described ω connected in star is 16mm.
The glower temperature of described glow plug 3 is 850 ℃.
During concrete use, because methanol fuel has stronger spontaneous combustion tendency, when the mixed gas of concentration within the scope of Flammability limits has temperature to reach the red-hot surface of certain level around, can make the rapid involuntary ignition of methyl alcohol mixed gas of red-hot near surface, drive the burning of mixed gas around, described glow plug 3 enters into firing chamber 6 by cylinder cap 1, after energising, described glow plug 3 forms high temperature glower, when internal combustion engine, methanol fuel enters in firing chamber 6 by high pressure oil pump and oil sprayer, described oil sprayer can regulate by hydraulic Injection Timing Actuator, control methanol fuel and spray into the time in cylinder, the methanol fuel and the gas in firing chamber 6 that enter in firing chamber 6 form inflammable mixture, near red-hot of described glow plug 3, when mixed gas reaches uniform temperature, the rapid spontaneous combustion of methanol gas meeting, and then drive mixed gas around to burn, realize combustion in IC engine methanol fuel.
Due to the spontaneous ignition temperature of the methanol fuel spontaneous ignition temperature higher than diesel oil, during internal-combustion engine compression terminal, cylinder temperature need to reach higher level, methanol gasifying latent heat is 4.1 times of diesel oil, in cylinder, gasification will absorb a large amount of heat, the temperature of compressing terminal is reduced, delay period extends, methyl alcohol piston 4 by use with combuster 6, recessed Cao's of ω shape of described firing chamber 6 the degree of depth is 16mm, has improved the compression ratio of internal-combustion engine, while making to compress terminal, temperature and pressure in cylinder improve greatly, shorten delay period simultaneously.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but do any variation in its shape or structure; every have identical with a application or akin technological scheme, within all dropping on protection scope of the present invention.

Claims (4)

1. a methyl alcohol internal-combustion engine, the cylinder cap (1) that comprises cylinder block (5) and be arranged on cylinder block (5) top, it is characterized in that: at described cylinder cap (1) side, be provided with glow plug mounting hole (2), by described glow plug mounting hole (2), glow plug (3) is arranged on described cylinder cap (1), described glow plug mounting hole (2) becomes 35 ° of angles with the bottom plane of described cylinder cap (1), described glow plug mounting hole (2) is 47.5mm with the distance between center line of described cylinder cap (1), described cylinder block (5) is provided with methyl alcohol piston (4), described methyl alcohol piston (4) is provided with firing chamber (6).
2. a kind of methyl alcohol internal-combustion engine according to claim 1, is characterized in that: the size of the size of described glow plug mounting hole (2) and glow plug (3) matches.
3. a kind of methyl alcohol internal-combustion engine according to claim 2, is characterized in that: described firing chamber (6) are ω connected in star, and the degree of depth of described ω connected in star is 16mm.
4. a kind of methyl alcohol internal-combustion engine according to claim 3, is characterized in that: the glower temperature of described glow plug (3) is 850 ℃.
CN201410225713.8A 2014-05-26 2014-05-26 Methyl alcohol internal combustion engine Pending CN103993956A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410225713.8A CN103993956A (en) 2014-05-26 2014-05-26 Methyl alcohol internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410225713.8A CN103993956A (en) 2014-05-26 2014-05-26 Methyl alcohol internal combustion engine

Publications (1)

Publication Number Publication Date
CN103993956A true CN103993956A (en) 2014-08-20

Family

ID=51308250

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410225713.8A Pending CN103993956A (en) 2014-05-26 2014-05-26 Methyl alcohol internal combustion engine

Country Status (1)

Country Link
CN (1) CN103993956A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4548172A (en) * 1983-06-22 1985-10-22 Caterpillar Tractor Co. Ignition-assisted fuel combustion system
US4721081A (en) * 1986-06-03 1988-01-26 Caterpillar Inc. Flame incubating and propagating apparatus for a fuel combustion system
JPH04159456A (en) * 1990-10-19 1992-06-02 Komatsu Ltd Fuel ignition auxiliary device for diesel engine
CN1409003A (en) * 2001-09-18 2003-04-09 株式会社久保田 Direct jet type diesel engine
CN201896660U (en) * 2009-07-31 2011-07-13 福特环球技术公司 Internal-combustion engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4548172A (en) * 1983-06-22 1985-10-22 Caterpillar Tractor Co. Ignition-assisted fuel combustion system
US4721081A (en) * 1986-06-03 1988-01-26 Caterpillar Inc. Flame incubating and propagating apparatus for a fuel combustion system
JPH04159456A (en) * 1990-10-19 1992-06-02 Komatsu Ltd Fuel ignition auxiliary device for diesel engine
CN1409003A (en) * 2001-09-18 2003-04-09 株式会社久保田 Direct jet type diesel engine
CN201896660U (en) * 2009-07-31 2011-07-13 福特环球技术公司 Internal-combustion engine

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Application publication date: 20140820

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