CN102746909A - Methanol fuel modifier and high-proportion methanol fuel for gasoline engine - Google Patents
Methanol fuel modifier and high-proportion methanol fuel for gasoline engine Download PDFInfo
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- CN102746909A CN102746909A CN2012102533815A CN201210253381A CN102746909A CN 102746909 A CN102746909 A CN 102746909A CN 2012102533815 A CN2012102533815 A CN 2012102533815A CN 201210253381 A CN201210253381 A CN 201210253381A CN 102746909 A CN102746909 A CN 102746909A
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Abstract
The invention discloses a methanol fuel modifier and a high-proportion methanol fuel for a gasoline engine. The methanol fuel modifier comprises the following components by volume: 30-65 parts of cyclic ether, 10-20 parts of ketone, 5-20 parts of amide and 20-45 parts of alcohol acid. The number of carbon atoms in the cyclic ether, the ketone, the amide and the alcohol acid is less than or equal to 6, and the cyclic ether, the ketone, the amide and the alcohol acid are all liquid at the temperature of 20 DEG C. The high-proportion methanol fuel for the gasoline engine comprises methanol, hydrocarbon or hydrocarbon mixture and methanol fuel modifier, wherein the number of carbon atoms in the hydrocarbon or hydrocarbon mixture is less than or equal to 15. The methanol fuel modifier can be used for changing the performance of the methanol gasoline. The high-proportion methanol fuel with the methanol fuel modifier can be used at low temperature, can be stored in the humid environment for a long time without phase separation, is low in addition amount, and can be popularized and applied on a large scale throughout the country.
Description
Technical field
The present invention relates to methanol fuel and properties-correcting agent thereof, particularly a kind of methanol fuel properties-correcting agent and petrol engine are used high-proportion methanol fuel.
Background technology
Crude oil is global topmost primary energy source, and current energy starved essence is the crude oil shortage.Vehicle fuel is the topmost Application Areas of crude oil, accounts for more than 70% of global crude oil total flow.Up to the present, the external interdependency of the oil of China has surpassed 50%.And the reserves of China's coal occupy prostatitis, the world, and substituting oil with coal is the desirable approach that reduces the external interdependency of oil of China.
The mixture of methyl alcohol and gasoline---methanol gasoline is a kind of " replace oil with coal " path.Methanol gasoline is to utilize industrial methanol or fuel methanol, and a kind of novel clean fuel with existing GB gasoline is processed through strict scientific technology allotment according to a certain volume can partially or completely substitute gasoline, is used for the gasoline engine motor vehicle.The raw material of producing methyl alcohol mainly is a coal, Sweet natural gas, and coal-seam gas, coke(oven)gas etc. particularly utilize high-sulfur low grade coal and coke(oven)gas to produce methyl alcohol, not only can improve comprehensive utilization of resources but also can reduce environmental pollution.And rich coal resources in China, development coal system methanol fuel replenishes with part and substitutes oil fuel, is to alleviate China's energy shortage situation, improves comprehensive utilization of resources, an effective way of preserving the ecological environment.
Methanol gasoline is with the content of the methyl alcohol mark that acts as a fuel; Methanol gasoline is divided three classes according to the content of methyl alcohol usually: low pure gasoline (M3-M5), middle pure gasoline (M15-M30) and high pure gasoline (M85-M100), the wherein volume percent of methyl alcohol in the numeral methanol gasoline behind the M.GB/T23799-2009 has stipulated the standard of Vehicular methanol petrol (M85), and wherein methanol content is 84-86% (volume(tric)fraction), and the GB gasoline content is 14-16% (volume(tric)fraction).Gasoline of high proportion methanol exists and need to change mover, cold start-up in winter difficulty, wet weather is separated easily and corrode technological deficiencies such as mover and fuel transfer system during life-time service; In order to solve the above-mentioned defective of gasoline of high proportion methanol in practical application; People add additive its performance are improved in methanol gasoline, like the disclosed direct high-proportion methanol gasoline for vehicle of Chinese patent document CN101768477A.But; The amount that in methanol gasoline, adds additive in the prior art is more; The cost of methanol gasoline is risen; Add too much additive on the other hand and can make the methanol gasoline of final use not meet the GB/T23799-2009 regulation, this is unfavorable for nationwide large-scale promotion use.In addition, additive of the prior art does not solve methanol gasoline in wet environment or the problem of phase separation under the long period storage situation well yet.
Summary of the invention
To the deficiency that exists in the prior art; The object of the present invention is to provide a kind of methanol fuel properties-correcting agent that improves the methanol gasoline performance that can be used in; And provide petrol engine to use high-proportion methanol fuel with this methanol fuel properties-correcting agent; Make petrol engine can under coldcondition, use, can not be separated medium-term and long-term storage of wet environment again with high-proportion methanol fuel, and addition few, be suitable for the nationwide large-scale promotion and use.
Technical scheme of the present invention is achieved in that a kind of methanol fuel properties-correcting agent; Be made up of cyclic ethers, ketone, acid amides and alkyd, each component volume proportion is following: cyclic ethers 30～65 parts by volume, ketone 10～20 parts by volume; Acid amides 5～20 parts by volume, alkyd 20～45 parts by volume; Carbon atom number average in cyclic ethers, ketone, acid amides and the alkyd is smaller or equal to 6, and cyclic ethers, ketone, acid amides and alkyd are liquid when temperature is 20 ℃.
Above-mentioned methanol fuel properties-correcting agent, said cyclic ethers are 1,4-dioxy hexanaphthene or tetrahydropyrans.
Above-mentioned methanol fuel properties-correcting agent, said ketone are ketopentamethylene and pimelinketone.
Above-mentioned methanol fuel properties-correcting agent, said acid amides are methane amide or N, the N N.
Above-mentioned methanol fuel properties-correcting agent, said alkyd are β-alkyd.
Methanol fuel properties-correcting agent is made up of cyclic ethers, ketone, acid amides, alkyd and piperazine, and each component volume proportion is following: cyclic ethers 30～65 parts by volume, ketone 10～20 parts by volume, acid amides 5～20 parts by volume, alkyd 20～45 parts by volume, piperazine 15～25 parts by volume.
Methanol fuel properties-correcting agent; Be made up of cyclic ethers, ketone, acid amides, alkyd, piperazine and 3-acetaldol 3, each component volume proportion is following: cyclic ethers 30～65 parts by volume, ketone 10～20 parts by volume; Acid amides 5～20 parts by volume; Alkyd 20～45 parts by volume, piperazine 15～25 parts by volume, 3-acetaldol 3 12～18 parts by volume.
Petrol engine with methanol fuel properties-correcting agent is used high-proportion methanol fuel, by methyl alcohol, carbonatoms smaller or equal to 15 hydrocarbon or carbonatoms smaller or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent is formed; The massfraction of methyl alcohol is 84～85.5%, and carbonatoms is 14～15% smaller or equal to 15 hydrocarbon or carbonatoms smaller or equal to the massfraction of the mixture of 15 hydrocarbon, and the massfraction of said methanol fuel properties-correcting agent is 0.5～1%.
Petrol engine with methanol fuel properties-correcting agent is used high-proportion methanol fuel, by methyl alcohol, carbonatoms smaller or equal to 15 hydrocarbon or carbonatoms smaller or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent is formed; The massfraction of methyl alcohol is 84～85.5%, and carbonatoms is 14～15% smaller or equal to 15 hydrocarbon or carbonatoms smaller or equal to the massfraction of the mixture of 15 hydrocarbon, and the massfraction of said methanol fuel properties-correcting agent is 0.3～1%.
Petrol engine with methanol fuel properties-correcting agent is used high-proportion methanol fuel, by methyl alcohol, carbonatoms smaller or equal to 15 hydrocarbon or carbonatoms smaller or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent is formed; The massfraction of methyl alcohol is 84～85.5%, and carbonatoms is 14～15% smaller or equal to 15 hydrocarbon or carbonatoms smaller or equal to the massfraction of the mixture of 15 hydrocarbon, and the massfraction of said methanol fuel properties-correcting agent is 0.2～1%.
The invention has the beneficial effects as follows: methanol fuel properties-correcting agent of the present invention can be used in and improves the methanol gasoline performance.Petrol engine with this methanol fuel properties-correcting agent can use under coldcondition with high-proportion methanol fuel, can not be separated medium-term and long-term storage of wet environment again, and addition few, be suitable for the nationwide large-scale promotion and use.
Petrol engine of the present invention is good with the high-proportion methanol fuel stability; Long-time use can not cause corrosion to metal; And can not form settling, also solve the vapour lock problem that petrol engine exists with high-proportion methanol fuel at engine fuel system and combustion chamber.Halide, nitro-compound, iron containing compounds, lead-containing compounds and contain manganic compound can not reduce the pollution to environment during burning to greatest extent.Show through Santana, Jetta and the use test in continuous a year of Elysee three car: cold startability is good, sufficient combustion, and per 100 km consumption oil maintains an equal level with 93# gasoline, need not change Vehicle Engine Structure; And compare 93# gasoline, can not shorten the replacement cycle of rubber vehicle parts or metal parts.
Embodiment
Embodiment 1
Present embodiment methanol fuel properties-correcting agent is by tetrahydropyrans, pimelinketone, N, and N N and lactic acid are formed, and each component volume proportion is following: 30 liters of tetrahydropyranss, 10 liters of pimelinketone, N, 20 liters of N Ns, 20 liters of lactic acid.
Embodiment 2
Present embodiment methanol fuel properties-correcting agent is by 1, and 4-dioxy hexanaphthene, ketopentamethylene, methane amide and lactic acid are formed, and each component volume proportion is following: 1, and 65 liters of 4-dioxy hexanaphthenes, 20 liters of ketopentamethylene, 5 liters of methane amides, 45 liters of lactic acid.
Embodiment 3
Petrol engine with methanol fuel properties-correcting agent described in the embodiment 1 is used high-proportion methanol fuel, the liquid form mixt of being made up of methyl alcohol, GB gasoline and methanol fuel properties-correcting agent; The massfraction of methyl alcohol is 85.5%, and GB 93# quality of gasoline mark is 14%, and the massfraction of said methanol fuel properties-correcting agent is 0.5%.Petrol engine in the present embodiment can normally use at subzero 28 degrees centigrade with high-proportion methanol fuel.
Embodiment 4
Petrol engine with methanol fuel properties-correcting agent described in the embodiment 2 is used high-proportion methanol fuel, the liquid form mixt of being made up of methyl alcohol, GB gasoline and methanol fuel properties-correcting agent; The massfraction of methyl alcohol is 84%, and GB 90# quality of gasoline mark is 15%, and the massfraction of said methanol fuel properties-correcting agent is 1%.Petrol engine in the present embodiment can normally use at subzero 30 degrees centigrade with high-proportion methanol fuel.
Embodiment 5
Present embodiment methanol fuel properties-correcting agent is by tetrahydropyrans, pimelinketone, N, and N N, lactic acid and piperazine are formed, and each component volume proportion is following: 65 liters of tetrahydropyranss, 10 liters of pimelinketone, N, 5 liters of N Ns, 20 liters of lactic acid, 15 liters of piperazines.
Embodiment 6
Present embodiment methanol fuel properties-correcting agent is by 1, and 4-dioxy hexanaphthene, ketopentamethylene, methane amide, lactic acid and piperazine are formed, and each component volume proportion is following: 1, and 30 liters of 4-dioxy hexanaphthenes, 20 liters of ketopentamethylene, 20 liters of methane amides, 45 liters of lactic acid, 25 liters of piperazines.
Embodiment 7
Petrol engine with methanol fuel properties-correcting agent described in the embodiment 5 is used high-proportion methanol fuel, the liquid form mixt of being made up of methyl alcohol, GB gasoline and methanol fuel properties-correcting agent; The massfraction of methyl alcohol is 85.7%, and GB 90# quality of gasoline mark is 14%, and the massfraction of said methanol fuel properties-correcting agent is 0.3%.Petrol engine in the present embodiment can normally use at subzero 30 degrees centigrade with high-proportion methanol fuel.
Embodiment 8
Petrol engine with methanol fuel properties-correcting agent described in the embodiment 6 is used high-proportion methanol fuel, the liquid form mixt of being made up of methyl alcohol, GB gasoline and methanol fuel properties-correcting agent; The massfraction of methyl alcohol is 84%, and GB 93# quality of gasoline mark is 15%, and the massfraction of said methanol fuel properties-correcting agent is 1%.Petrol engine in the present embodiment can normally use at subzero 33 degrees centigrade with high-proportion methanol fuel.
Embodiment 9
Present embodiment methanol fuel properties-correcting agent is by tetrahydropyrans, pimelinketone, N, and N N, lactic acid, piperazine and 3-acetaldol 3 are formed, and each component volume proportion is following: 65 liters of tetrahydropyranss; 10 liters of pimelinketone; N, 20 liters of N Ns, 45 liters of lactic acid; 15 liters of piperazines, 12 liters of 3-acetaldol 3s.
Embodiment 10
Present embodiment methanol fuel properties-correcting agent is by 1, and 4-dioxy hexanaphthene, ketopentamethylene, methane amide, lactic acid, piperazine and 3-acetaldol 3 are formed, and each component volume proportion is following: 1; 30 liters of 4-dioxy hexanaphthenes, 20 liters of ketopentamethylene, 5 liters of methane amides; 20 liters of lactic acid, 25 liters of piperazines, 18 liters of 3-acetaldol 3s.
Embodiment 11
Petrol engine with methanol fuel properties-correcting agent described in the embodiment 9 is used high-proportion methanol fuel, the liquid form mixt of being made up of methyl alcohol, GB gasoline and methanol fuel properties-correcting agent; The massfraction of methyl alcohol is 85.8%, and GB 93# quality of gasoline mark is 14%, and the massfraction of said methanol fuel properties-correcting agent is 0.2%.Petrol engine in the present embodiment can normally use at subzero 35 degrees centigrade with high-proportion methanol fuel.
Embodiment 12
Petrol engine with methanol fuel properties-correcting agent described in the embodiment 10 is used high-proportion methanol fuel, the liquid form mixt of being made up of methyl alcohol, GB gasoline and methanol fuel properties-correcting agent; The massfraction of methyl alcohol is 84%, and GB 90# quality of gasoline mark is 15%, and the massfraction of said methanol fuel properties-correcting agent is 1%.Petrol engine in the present embodiment can normally use at subzero 40 degrees centigrade with high-proportion methanol fuel.
Embodiment 13
Present embodiment methanol fuel properties-correcting agent is by tetrahydropyrans, pimelinketone, N, and N N, lactic acid, piperazine and 3-acetaldol 3 are formed, and each component volume proportion is following: 37 liters of tetrahydropyranss; 14 liters of pimelinketone; N, 18 liters of N Ns, 23 liters of lactic acid; 18 liters of piperazines, 16 liters of 3-acetaldol 3s.
Embodiment 14
Present embodiment methanol fuel properties-correcting agent is by 1, and 4-dioxy hexanaphthene, ketopentamethylene, methane amide, lactic acid, piperazine and 3-acetaldol 3 are formed, and each component volume proportion is following: 1; 42 liters of 4-dioxy hexanaphthenes, 19 liters of ketopentamethylene, 22 liters of methane amides; 43 liters of lactic acid, 21 liters of piperazines, 16 liters of 3-acetaldol 3s.
Embodiment 15
Petrol engine with methanol fuel properties-correcting agent described in the embodiment 9 is used high-proportion methanol fuel, the liquid form mixt of being made up of methyl alcohol, methanol fuel properties-correcting agent and tridecane; The massfraction of methyl alcohol is 85.8%, and the massfraction of tridecane is 14%, and the massfraction of said methanol fuel properties-correcting agent is 0.2%.Petrol engine in the present embodiment can normally use at subzero 37 degrees centigrade with high-proportion methanol fuel.
Embodiment 16
Petrol engine with methanol fuel properties-correcting agent described in the embodiment 10 is used high-proportion methanol fuel, by methyl alcohol, carbonatoms smaller or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent is formed; The massfraction of methyl alcohol is 84%, and carbonatoms is 15% smaller or equal to the massfraction of the mixture of 15 hydrocarbon, and the massfraction of said methanol fuel properties-correcting agent is 1%.Carbonatoms is following smaller or equal to the composition of the mixture of 15 hydrocarbon: the massfraction of pentadecane is 10%, and the massfraction of dodecyl is 12%, and the massfraction of cyclopentadecane is 8%; The massfraction of hexanaphthene is 16%; The massfraction of diamantane is 15%, and the massfraction of 1-decene is 7%, and the massfraction of 1-n-heptylacetylene is 11%; The massfraction of trimethylphenylmethane is 11, and the massfraction of p-Xylol is 10%.Petrol engine in the present embodiment can normally use at subzero 41 degrees centigrade with high-proportion methanol fuel.
The anti-down performance test that is separated of wet environment:
Get petrol engine in embodiment 3,4,7,8,11 and 12 respectively with 600 cubic centimetres of high-proportion methanol fuel; Join in the glass cylinder; Liquid level is 30 centimetres; The area that liquid level contacts with ambient air is 20 square centimeters, and the relative humidity of ambient air is 75 ± 5%, and temperature is 22 ± 3 ℃.Test result is following:
Petrol engine among the embodiment 3 is used high-proportion methanol fuel: deposited no phenomenon of phase separation continuously 180 days;
Petrol engine among the embodiment 4 is used high-proportion methanol fuel: deposited no phenomenon of phase separation continuously 210 days;
Petrol engine among the embodiment 7 is used high-proportion methanol fuel: deposited no phenomenon of phase separation continuously 240 days;
Petrol engine among the embodiment 8 is used high-proportion methanol fuel: deposited no phenomenon of phase separation continuously 260 days;
Petrol engine among the embodiment 11 is used high-proportion methanol fuel: deposited no phenomenon of phase separation continuously 1 year 060 days;
Petrol engine among the embodiment 12 is used high-proportion methanol fuel: deposited no phenomenon of phase separation continuously 1 year 01 hundred 20 days.
Petrol engine among the embodiment 15 is used high-proportion methanol fuel: deposited no phenomenon of phase separation continuously 1 year 030 days.
Petrol engine among the embodiment 16 is used high-proportion methanol fuel: deposited no phenomenon of phase separation continuously 1 year 060 days.
The foregoing description only be for explain clearly that the invention does for example, and be not qualification to the invention embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being amplified out thus or change still are among the protection domain of the invention claim.
Claims (10)
1. a methanol fuel properties-correcting agent is characterized in that, is made up of cyclic ethers, ketone, acid amides and alkyd, and each component volume proportion is following: cyclic ethers 30～65 parts by volume, ketone 10～20 parts by volume, acid amides 5～20 parts by volume, alkyd 20～45 parts by volume; Carbon atom number average in cyclic ethers, ketone, acid amides and the alkyd is smaller or equal to 6, and cyclic ethers, ketone, acid amides and alkyd are liquid when temperature is 20 ℃.
2. methanol fuel properties-correcting agent according to claim 1 is characterized in that, said cyclic ethers is 1,4-dioxy hexanaphthene or tetrahydropyrans.
3. methanol fuel properties-correcting agent according to claim 1 is characterized in that, said ketone is ketopentamethylene and pimelinketone.
4. methanol fuel properties-correcting agent according to claim 1 is characterized in that, said acid amides is methane amide or N, the N N.
5. methanol fuel properties-correcting agent according to claim 1 is characterized in that, said alkyd is β-alkyd.
6. a methanol fuel properties-correcting agent is characterized in that, is made up of cyclic ethers, ketone, acid amides, alkyd and piperazine; Each component volume proportion is following: cyclic ethers 30～65 parts by volume, ketone 10～20 parts by volume, acid amides 5～20 parts by volume; Alkyd 20～45 parts by volume, piperazine 15～25 parts by volume.
7. a methanol fuel properties-correcting agent is characterized in that, is made up of cyclic ethers, ketone, acid amides, alkyd, piperazine and 3-acetaldol 3; Each component volume proportion is following: cyclic ethers 30～65 parts by volume; Ketone 10～20 parts by volume, acid amides 5～20 parts by volume, alkyd 20～45 parts by volume; Piperazine 15～25 parts by volume, 3-acetaldol 3 12～18 parts by volume.
8. the petrol engine that has the arbitrary said methanol fuel properties-correcting agent of claim 1-5 is used high-proportion methanol fuel; It is characterized in that, by methyl alcohol, carbonatoms smaller or equal to 15 hydrocarbon or carbonatoms smaller or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent is formed; The massfraction of methyl alcohol is 84～85.5%, and carbonatoms is 14～15% smaller or equal to 15 hydrocarbon or carbonatoms smaller or equal to the massfraction of the massfraction of the mixture of 15 hydrocarbon, and the massfraction of said methanol fuel properties-correcting agent is 0.5～1%.
9. the petrol engine that has the said methanol fuel properties-correcting agent of claim 6 is used high-proportion methanol fuel; It is characterized in that, by methyl alcohol, carbonatoms smaller or equal to 15 hydrocarbon or carbonatoms smaller or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent is formed; The massfraction of methyl alcohol is 84～85.5%, and carbonatoms is 14～15% smaller or equal to 15 hydrocarbon or carbonatoms smaller or equal to the massfraction of the mixture of 15 hydrocarbon, and the massfraction of said methanol fuel properties-correcting agent is 0.3～1%.
10. the petrol engine that has the said methanol fuel properties-correcting agent of claim 7 is used high-proportion methanol fuel; It is characterized in that, by methyl alcohol, carbonatoms smaller or equal to 15 hydrocarbon or carbonatoms smaller or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent is formed; The massfraction of methyl alcohol is 84～85.5%, and carbonatoms is 14～15% smaller or equal to 15 hydrocarbon or carbonatoms smaller or equal to the massfraction of the massfraction of the mixture of 15 hydrocarbon, and the massfraction of said methanol fuel properties-correcting agent is 0.2～1%.
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| CN201210253381.5A CN102746909B (en) | 2012-07-20 | 2012-07-20 | Methanol fuel modifier and high-proportion methanol fuel for gasoline engine |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001053437A1 (en) * | 2000-01-24 | 2001-07-26 | Golubkov Angelica | Method of reducing the vapour pressure of ethanol-containing motor fuels for spark ignition combustion engines |
| WO2007102948A2 (en) * | 2006-02-03 | 2007-09-13 | Eastman Chemical Company | Antioxidant compositions useful in biodiesel and other fatty acid and acid ester compositions |
| WO2008088212A1 (en) * | 2007-01-15 | 2008-07-24 | Technische Universiteit Eindhoven | A liquid fuel composition and the use thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001053437A1 (en) * | 2000-01-24 | 2001-07-26 | Golubkov Angelica | Method of reducing the vapour pressure of ethanol-containing motor fuels for spark ignition combustion engines |
| WO2007102948A2 (en) * | 2006-02-03 | 2007-09-13 | Eastman Chemical Company | Antioxidant compositions useful in biodiesel and other fatty acid and acid ester compositions |
| WO2008088212A1 (en) * | 2007-01-15 | 2008-07-24 | Technische Universiteit Eindhoven | A liquid fuel composition and the use thereof |
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