CN102746909B - 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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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 high-proportion methanol fuel.
Background technology
Crude oil is global topmost primary energy source, and current energy starved essence is crude oil shortage.Vehicle fuel is the topmost Application Areas of crude oil, accounts for the more than 70% of global crude oil total flow.Up to the present, the dependence on foreign countries for oil of China has exceeded 50%.And the reserves position of China's coal is at the forefront in the world, it with coal petroleum replacing, is the desirable approach that reduces the dependence on foreign countries for 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, allocates a kind of Novel clean-fuel of making according to a certain volume with existing GB gasoline through strict scientific technology, and partially or completely replacing gasoline, for gasoline engine motor vehicle.The raw material of methanol is mainly coal, Sweet natural gas, and coal-seam gas, coke(oven)gas etc., particularly utilize high-sulfur low grade coal and coke(oven)gas methanol, not only can improve comprehensive utilization of resources but also can reduce environmental pollution.And rich coal resources in China, Development of Coal methanol fuel processed, supplements and part petroleum replacing 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 using the content of methyl alcohol as fuel mark, methanol gasoline is divided three classes according to the content of methyl alcohol conventionally: low alcohol gasoline (M3-M5), middle alcohol gasoline (M15-M30) and high alcohol gasoline (M85-M100), the wherein volume percent of methyl alcohol in the numeral methanol gasoline after M.GB/T23799-2009 has stipulated the standard of Vehicular methanol petrol (M85), and wherein methanol content is 84-86%(volume fraction), GB gasoline content is 14-16%(volume fraction).Gasoline of high proportion methanol exists need to be changed that engine, cold start-up in winter difficulty, wet weather are easily separated and corrode the technological deficiencies such as engine and fuel transfer system during life-time service, in order to solve gasoline of high proportion methanol above-mentioned defect in actual applications, people add additive to improve its performance in methanol gasoline, direct high-proportion methanol gasoline for vehicle as disclosed in Chinese patent literature CN101768477A.But, in prior art, in methanol gasoline, add the amount of additive more, can make on the one hand the cost of methanol gasoline increase, add on the other hand too much additive can make the final methanol gasoline using not meet GB/T23799-2009 regulation, this is unfavorable for nationwide large-scale promotion use.In addition, additive of the prior art does not solve the problem of phase separation of methanol gasoline in wet environment or in long period storage situation well yet.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of methanol fuel properties-correcting agent that improves methanol gasoline performance that can be used in, and provide the petrol engine high-proportion methanol fuel with this methanol fuel properties-correcting agent, petrol engine high-proportion methanol fuel can be used under cold condition, again can be in wet environment long-term storage can not be separated, and addition few, be suitable for nationwide large-scale promotion and use.
Technical scheme of the present invention is achieved in that a kind of methanol fuel properties-correcting agent, cyclic ethers, ketone, acid amides and alkyd, consist of, each component volume proportion is as follows: 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; Carbonatoms in cyclic ethers, ketone, acid amides and alkyd is all less than 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, described cyclic ethers is Isosorbide-5-Nitrae-dioxy hexanaphthene or tetrahydropyrans.
Above-mentioned methanol fuel properties-correcting agent, described ketone is cyclopentanone and pimelinketone.
Above-mentioned methanol fuel properties-correcting agent, described acid amides is methane amide or DMF.
Above-mentioned methanol fuel properties-correcting agent, described alkyd is the acid of β-ol.
Methanol fuel properties-correcting agent, is comprised of cyclic ethers, ketone, acid amides, alkyd and piperazine, and each component volume proportion is as follows: 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, by cyclic ethers, ketone, acid amides, alkyd, piperazine and 3-acetaldol, formed, each component volume proportion is as follows: 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 12～18 parts by volume.
There is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent, by methyl alcohol, carbonatoms, be less than or equal to 15 hydrocarbon or carbonatoms and be less than or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent forms; The massfraction of methyl alcohol is 84～85.5%, and it is 14～15% that carbonatoms is less than or equal to the massfraction that 15 hydrocarbon or carbonatoms be less than or equal to the mixture of 15 hydrocarbon, and the massfraction of described methanol fuel properties-correcting agent is 0.5～1%.
There is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent, by methyl alcohol, carbonatoms, be less than or equal to 15 hydrocarbon or carbonatoms and be less than or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent forms; The massfraction of methyl alcohol is 84～85.5%, and it is 14～15% that carbonatoms is less than or equal to the massfraction that 15 hydrocarbon or carbonatoms be less than or equal to the mixture of 15 hydrocarbon, and the massfraction of described methanol fuel properties-correcting agent is 0.3～1%.
There is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent, by methyl alcohol, carbonatoms, be less than or equal to 15 hydrocarbon or carbonatoms and be less than or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent forms; The massfraction of methyl alcohol is 84～85.5%, and it is 14～15% that carbonatoms is less than or equal to the massfraction that 15 hydrocarbon or carbonatoms be less than or equal to the mixture of 15 hydrocarbon, and the massfraction of described 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 methanol gasoline performance.The petrol engine high-proportion methanol fuel with this methanol fuel properties-correcting agent can be used under cold condition, and again can be in wet environment long-term storage can not be separated, and addition few, be suitable for nationwide large-scale promotion and use.
Petrol engine of the present invention is good with high-proportion methanol fuel stability, long-time use can not cause corrosion to metal, and can not form settling at engine fuel system and combustion chamber, also solve the vapour lock problem that petrol engine high-proportion methanol fuel exists.Not halide, nitro-compound, iron containing compounds, lead-containing compounds and containing manganic compound, can reduce the pollution to environment during burning to greatest extent.Through Santana, Jetta and the use test in continuous a year of three sections of Elysees car, show: cold startability is good, sufficient combustion, per 100 km oil consumption and 93# gasoline maintain an equal level, and do not need to change Vehicle Engine Structure; And compare 93# gasoline, can not shorten the replacement cycle of rubber vehicle parts or metal parts.
Embodiment
Embodiment 1
The present embodiment methanol fuel properties-correcting agent is comprised of tetrahydropyrans, pimelinketone, DMF and lactic acid, and each component volume proportion is as follows: 30 liters of tetrahydropyranss, 10 liters of pimelinketone, 20 liters of DMFs, 20 liters of lactic acid.
Embodiment 2
The present embodiment methanol fuel properties-correcting agent is comprised of Isosorbide-5-Nitrae-dioxy hexanaphthene, cyclopentanone, methane amide and lactic acid, and each component volume proportion is as follows: 65 liters of Isosorbide-5-Nitrae-dioxy hexanaphthenes, 20 liters of cyclopentanone, 5 liters of methane amides, 45 liters of lactic acid.
Embodiment 3
There is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent described in embodiment 1, the liquid form mixt being formed by 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 described methanol fuel properties-correcting agent is 0.5%.Petrol engine in the present embodiment can normally use at subzero 28 degrees Celsius with high-proportion methanol fuel.
Embodiment 4
There is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent described in embodiment 2, the liquid form mixt being formed by 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 described methanol fuel properties-correcting agent is 1%.Petrol engine in the present embodiment can normally use at subzero 30 degrees Celsius with high-proportion methanol fuel.
Embodiment 5
The present embodiment methanol fuel properties-correcting agent is comprised of tetrahydropyrans, pimelinketone, DMF, lactic acid and piperazine, and each component volume proportion is as follows: 65 liters of tetrahydropyranss, 10 liters of pimelinketone, 5 liters of DMFs, 20 liters of lactic acid, 15 liters of piperazines.
Embodiment 6
The present embodiment methanol fuel properties-correcting agent is comprised of Isosorbide-5-Nitrae-dioxy hexanaphthene, cyclopentanone, methane amide, lactic acid and piperazine, and each component volume proportion is as follows: 30 liters of Isosorbide-5-Nitrae-dioxy hexanaphthenes, 20 liters of cyclopentanone, 20 liters of methane amides, 45 liters of lactic acid, 25 liters of piperazines.
Embodiment 7
There is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent described in embodiment 5, the liquid form mixt being formed by 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 described methanol fuel properties-correcting agent is 0.3%.Petrol engine in the present embodiment can normally use at subzero 30 degrees Celsius with high-proportion methanol fuel.
Embodiment 8
There is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent described in embodiment 6, the liquid form mixt being formed by 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 described methanol fuel properties-correcting agent is 1%.Petrol engine in the present embodiment can normally use at subzero 33 degrees Celsius with high-proportion methanol fuel.
Embodiment 9
The present embodiment methanol fuel properties-correcting agent is by tetrahydropyrans, pimelinketone, N, N dimethyl formamide, lactic acid, piperazine and 3-acetaldol composition, each component volume proportion is as follows: 65 liters of tetrahydropyranss, 10 liters of pimelinketone, 20 liters of DMFs, 45 liters of lactic acid, 15 liters of piperazines, 12 liters of 3-acetaldols.
Embodiment 10
The present embodiment methanol fuel properties-correcting agent is comprised of Isosorbide-5-Nitrae-dioxy hexanaphthene, cyclopentanone, methane amide, lactic acid, piperazine and 3-acetaldol, and each component volume proportion is as follows: 1,30 liters of 4-dioxy hexanaphthenes, 20 liters of cyclopentanone, 5 liters of methane amides, 20 liters of lactic acid, 25 liters of piperazines, 18 liters of 3-acetaldols.
Embodiment 11
There is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent described in embodiment 9, the liquid form mixt being formed by 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 described methanol fuel properties-correcting agent is 0.2%.Petrol engine in the present embodiment can normally use at subzero 35 degrees Celsius with high-proportion methanol fuel.
Embodiment 12
There is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent described in embodiment 10, the liquid form mixt being formed by 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 described methanol fuel properties-correcting agent is 1%.Petrol engine in the present embodiment can normally use at subzero 40 degrees Celsius with high-proportion methanol fuel.
Embodiment 13
The present embodiment methanol fuel properties-correcting agent is by tetrahydropyrans, pimelinketone, N, N dimethyl formamide, lactic acid, piperazine and 3-acetaldol composition, each component volume proportion is as follows: 37 liters of tetrahydropyranss, 14 liters of pimelinketone, 18 liters of DMFs, 23 liters of lactic acid, 18 liters of piperazines, 16 liters of 3-acetaldols.
Embodiment 14
The present embodiment methanol fuel properties-correcting agent is comprised of Isosorbide-5-Nitrae-dioxy hexanaphthene, cyclopentanone, methane amide, lactic acid, piperazine and 3-acetaldol, and each component volume proportion is as follows: 1,42 liters of 4-dioxy hexanaphthenes, 19 liters of cyclopentanone, 22 liters of methane amides, 43 liters of lactic acid, 21 liters of piperazines, 16 liters of 3-acetaldols.
Embodiment 15
There is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent described in embodiment 9, the liquid form mixt being formed by 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 described methanol fuel properties-correcting agent is 0.2%.Petrol engine in the present embodiment can normally use at subzero 37 degrees Celsius with high-proportion methanol fuel.
Embodiment 16
There is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent described in embodiment 10, by methyl alcohol, carbonatoms, be less than or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent forms; The massfraction of methyl alcohol is 84%, and the massfraction that carbonatoms is less than or equal to the mixture of 15 hydrocarbon is 15%, and the massfraction of described methanol fuel properties-correcting agent is 1%.Carbonatoms is less than or equal to mixture composed as follows of 15 hydrocarbon: the massfraction of pentadecane is 10%, the massfraction of dodecane is 12%, 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 that the massfraction of 7%, 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 Celsius with high-proportion methanol fuel.
Resisting phase separation performance test under wet environment:
Get respectively 600 cubic centimetres of the high-proportion methanol fuel of petrol engine in embodiment 3,4,7,8,11 and 12, join in glass cylinder, liquid level is 30 centimetres, the area that liquid level contacts with ambient air is 20 square centimeters, the relative humidity of ambient air is 75 ± 5%, and temperature is 22 ± 3 ℃.Test result is as follows:
Petrol engine in embodiment 3 high-proportion methanol fuel: deposit continuously 180 days, without phenomenon of phase separation;
Petrol engine in embodiment 4 high-proportion methanol fuel: deposit continuously 210 days, without phenomenon of phase separation;
Petrol engine in embodiment 7 high-proportion methanol fuel: deposit continuously 240 days, without phenomenon of phase separation;
Petrol engine in embodiment 8 high-proportion methanol fuel: deposit continuously 260 days, without phenomenon of phase separation;
Petrol engine in embodiment 11 high-proportion methanol fuel: deposit continuously 1 year 060 days, without phenomenon of phase separation;
Petrol engine in embodiment 12 high-proportion methanol fuel: deposit continuously 1 year 01 hundred 20 days, without phenomenon of phase separation.
Petrol engine in embodiment 15 high-proportion methanol fuel: deposit continuously 1 year 030 days, without phenomenon of phase separation.
Petrol engine in embodiment 16 high-proportion methanol fuel: deposit continuously 1 year 060 days, without phenomenon of phase separation.
Above-described embodiment is only for the invention example is clearly described, and the not restriction to the invention embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And the apparent variation of being amplified out thus or variation are still among the protection domain in the invention claim.
Claims (6)
1. a methanol fuel properties-correcting agent, is characterized in that, cyclic ethers, ketone, acid amides and alkyd, consists of, and each component volume proportion is as follows: 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; Carbonatoms in cyclic ethers, ketone, acid amides and alkyd is all less than or equal to 6, and cyclic ethers, ketone, acid amides and alkyd are liquid when temperature is 20 ℃; Described cyclic ethers is Isosorbide-5-Nitrae-dioxy hexanaphthene or tetrahydropyrans; Described ketone is cyclopentanone or pimelinketone; Described acid amides is methane amide or DMF; Described alkyd is lactic acid.
2. a methanol fuel properties-correcting agent, is characterized in that, cyclic ethers, ketone, acid amides, alkyd and piperazine, consists of, each component volume proportion is as follows: 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; Described cyclic ethers is Isosorbide-5-Nitrae-dioxy hexanaphthene or tetrahydropyrans; Described ketone is cyclopentanone or pimelinketone; Described acid amides is methane amide or DMF; Described alkyd is lactic acid.
3. a methanol fuel properties-correcting agent, it is characterized in that, by cyclic ethers, ketone, acid amides, alkyd, piperazine and 3-acetaldol, formed, each component volume proportion is as follows: 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 12～18 parts by volume; Described cyclic ethers is Isosorbide-5-Nitrae-dioxy hexanaphthene or tetrahydropyrans; Described ketone is cyclopentanone or pimelinketone; Described acid amides is methane amide or DMF; Described alkyd is lactic acid.
4. there is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent described in claim 1, it is characterized in that, by methyl alcohol, carbonatoms, be less than or equal to 15 hydrocarbon or carbonatoms and be less than or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent forms; The massfraction of methyl alcohol is 84～85.5%, and it is 14～15% that carbonatoms is less than or equal to the massfraction that 15 hydrocarbon or carbonatoms be less than or equal to the mixture of 15 hydrocarbon, and the massfraction of described methanol fuel properties-correcting agent is 0.5～1%.
5. there is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent described in claim 2, it is characterized in that, by methyl alcohol, carbonatoms, be less than or equal to 15 hydrocarbon or carbonatoms and be less than or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent forms; The massfraction of methyl alcohol is 84～85.5%, and it is 14～15% that carbonatoms is less than or equal to the massfraction that 15 hydrocarbon or carbonatoms be less than or equal to the mixture of 15 hydrocarbon, and the massfraction of described methanol fuel properties-correcting agent is 0.3～1%.
6. there is the petrol engine high-proportion methanol fuel of methanol fuel properties-correcting agent described in claim 3, it is characterized in that, by methyl alcohol, carbonatoms, be less than or equal to 15 hydrocarbon or carbonatoms and be less than or equal to the mixture of 15 hydrocarbon and the liquid form mixt that methanol fuel properties-correcting agent forms; The massfraction of methyl alcohol is 84～85.5%, and it is 14～15% that carbonatoms is less than or equal to the massfraction that 15 hydrocarbon or carbonatoms be less than or equal to the mixture of 15 hydrocarbon, and the massfraction of described methanol fuel properties-correcting agent is 0.2～1%.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| WO2001053436A1 (en) * | 2000-01-24 | 2001-07-26 | Angelica Golubkov | Motor fuel for spark ignition internal combustion engines |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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