CN111423910A - Modified methanol diesel vehicle fuel and preparation method thereof - Google Patents
Modified methanol diesel vehicle fuel and preparation method thereof Download PDFInfo
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- CN111423910A CN111423910A CN202010453323.1A CN202010453323A CN111423910A CN 111423910 A CN111423910 A CN 111423910A CN 202010453323 A CN202010453323 A CN 202010453323A CN 111423910 A CN111423910 A CN 111423910A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/02—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/12—Use of additives to fuels or fires for particular purposes for improving the cetane number
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/16—Hydrocarbons
- C10L1/1608—Well defined compounds, e.g. hexane, benzene
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/16—Hydrocarbons
- C10L1/1616—Hydrocarbons fractions, e.g. lubricants, solvents, naphta, bitumen, tars, terpentine
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
- C10L1/1822—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms
- C10L1/1824—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms mono-hydroxy
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
- C10L1/1822—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms
- C10L1/1826—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms poly-hydroxy
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/185—Ethers; Acetals; Ketals; Aldehydes; Ketones
- C10L1/1857—Aldehydes; Ketones
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/188—Carboxylic acids; metal salts thereof
- C10L1/1881—Carboxylic acids; metal salts thereof carboxylic group attached to an aliphatic carbon atom
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/19—Esters ester radical containing compounds; ester ethers; carbonic acid esters
- C10L1/1905—Esters ester radical containing compounds; ester ethers; carbonic acid esters of di- or polycarboxylic acids
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
- C10L2230/14—Function and purpose of a components of a fuel or the composition as a whole for improving storage or transport of the fuel
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2270/00—Specifically adapted fuels
- C10L2270/02—Specifically adapted fuels for internal combustion engines
- C10L2270/026—Specifically adapted fuels for internal combustion engines for diesel engines, e.g. automobiles, stationary, marine
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a modified methanol diesel vehicle fuel and a preparation method thereof, wherein the raw materials of the modified methanol diesel vehicle fuel comprise 65-75% of methanol, 5-10% of cosolvent and the balance of diesel, wherein the cosolvent is composed of n-octane, iso-acetone, n-butanol, methyl cyclopentane, solvent oil, pentanediol, dimethyl carbonate, ethyl oleate and stearic acid. The modified methanol diesel vehicle fuel is in a uniform oil phase, has the combustion performance far higher than that of microemulsion methanol diesel, and is excellent in stability and low in processing cost.
Description
Technical Field
The invention relates to the technical field of methanol diesel oil processing, in particular to a modified methanol diesel oil vehicle fuel and a preparation method thereof.
Background
Diesel fuel has high energy density and low fuel consumption, but exhaust gas contains many harmful components (NO, particulate matter, etc.). With the progress of science and technology, environmental protection and low carbon become the theme of our production and life, and researchers provide various novel environmental protection fuels for protecting our homes. The methanol diesel oil has the appearance of clear transparent liquid close to diesel oil, has indexes of viscosity, heat value and the like close to the diesel oil, and can replace the diesel oil to be used in the fields of internal combustion engine diesel locomotives, industrial boilers, cooking stoves and the like.
Methanol is a polar molecule, and alkane components in diesel oil belong to nonpolar molecules, so the fusion performance between the methanol and the diesel oil is relatively poor, and a certain amount of cosolvent is required to be added to improve the fusion performance of the methanol and the diesel oil. But the prior cosolvent dosage is relatively increased, the high-temperature stability of the methanol diesel oil is relatively poor, and a certain degree of delamination still occurs after long-term use. Therefore, the methanol diesel still has a certain degree of limitation at present, which causes great difficulty in popularization and use.
At present, the development direction of the methanol diesel mainly comprises the following aspects:
① the biodiesel is used as cosolvent to prepare methanol diesel, which improves the intersolubility of methanol diesel, for example, the technical proposal of the environmental-friendly methanol diesel disclosed in CN200610012869.3 has very large dosage of biodiesel and relatively less dosage of methanol;
② the methanol diesel oil is prepared by using vegetable oleic acid and concentrated tea water as cosolvent to improve the prosperity of the methanol diesel oil, for example, the methanol diesel oil disclosed in CN200810069261.3, which uses a large amount of vegetable oleic acid, organic solvent and concentrated tea water as cosolvent to improve the methanol content in the methanol diesel oil, but the methanol content in the methanol diesel oil is 1-35%, the problem of low methanol content still exists, meanwhile, the methanol diesel oil still has a certain degree of stratification after a long time, and needs to be fully mixed before use, so the fuel engine using the methanol diesel oil needs to be functionally improved;
③ the methanol diesel oil is made into a micro-emulsion shape, which improves the corrosion, oxidation resistance and stability of the methanol diesel oil, for example, the modified methanol diesel oil disclosed in CN201010276722.1, which utilizes surfactant and cosolvent to prepare the methanol diesel oil, the methanol diesel oil is not a uniform oil phase, but a micro-emulsion state, but the modified methanol diesel oil needs a large amount of surfactant and organic cosolvent, so that the synthesis cost of the methanol diesel oil is very high, and the calorific value is relatively low.
Therefore, how to increase the calorific value of the methanol diesel (increase the amount of methanol used) and obtain a methanol diesel with a uniform oil phase is a technical problem to be solved urgently in the industry at present.
Disclosure of Invention
Based on the problems, the invention aims to provide a modified methanol diesel vehicle fuel, which is in a form of a uniform oil phase, has far higher combustion performance than microemulsion methanol diesel, relatively higher safety performance and low cost, and does not need to use a surfactant. The appearance of the modified methanol diesel vehicle fuel is clear transparent liquid close to diesel, and the calorific value of the modified methanol diesel vehicle fuel is improved by 10-15 percent relative to the diesel.
The modified methanol diesel vehicle fuel comprises the following raw materials in percentage by weight:
65-75% of methanol
5 to 10 percent of cosolvent
The rest is diesel oil, and the rest is diesel oil,
the cosolvent is composed of n-octane, isopropyl ketone, n-butanol, methyl cyclopentane, solvent oil, pentanediol, dimethyl carbonate, ethyl oleate and stearic acid.
Specifically, the diesel oil of the invention is-10#Or 0#Diesel oil.
Specifically, the cosolvent is prepared by mixing the following raw materials in parts by weight:
10-20 parts of n-octane, 3-9 parts of isopropyl acetone, 20-35 parts of n-butanol, 15-35 parts of methyl cyclopentane, 70-100 parts of solvent naphtha, 10-15 parts of pentanediol, 3-5 parts of dimethyl carbonate, 10-20 parts of ethyl oleate and 1-3 parts of stearic acid. Preferably, the cosolvent is prepared by mixing the following raw materials in parts by weight:
15-20 parts of n-octane, 5-8 parts of isopropyl acetone, 25-30 parts of n-butanol, 20-30 parts of methylcyclopentane, 80-90 parts of solvent oil, 10-15 parts of pentanediol, 3-5 parts of dimethyl carbonate, 15-20 parts of ethyl oleate and 1-3 parts of stearic acid.
The preparation method of the modified methanol diesel vehicle fuel comprises the following steps:
(1) weighing methanol in proportion, dripping cosolvent into methanol at low temperature, and stirring at temperature for 30-60 min;
(2) weighing diesel oil according to a proportion, pouring the raw materials mixed in the step (1) into the diesel oil at room temperature, and fully stirring for 1-2h to obtain the modified methanol diesel oil vehicle fuel.
Specifically, the low temperature in step (2) of the present invention is 0 to 5 ℃.
Compared with the prior art, the invention has the following beneficial effects:
the appearance of the modified methanol diesel vehicle fuel is similar to that of diesel, and the modified methanol diesel vehicle fuel is clear and transparent liquid, and the viscosity of the modified methanol diesel vehicle fuel and the viscosity of the diesel vehicle fuel are similar;
the modified methanol diesel vehicle fuel has high methanol content, higher calorific value than diesel, and 10-15% higher than diesel.
The modified methanol diesel vehicle fuel has the advantages of common raw materials, low raw material and processing cost and convenient large-scale mass production.
The modified methanol diesel vehicle fuel has good stability and can not generate the layering phenomenon after being placed for a long time at room temperature.
Detailed Description
The present invention will be further described with reference to the following specific examples.
Example 1
The preparation process of the modified methanol diesel vehicle fuel comprises the following steps:
firstly, preparing a cosolvent, wherein the raw materials comprise the following components: 20 parts of n-octane, 8 parts of isopropyl acetone, 25 parts of n-butanol, 30 parts of methyl cyclopentane, 80 parts of solvent oil, 15 parts of pentanediol, 3 parts of dimethyl carbonate, 20 parts of ethyl oleate and 1 part of stearic acid;
secondly, weighing 70Kg of methanol, dripping 10Kg of cosolvent into the methanol at the temperature of 0 ℃, and stirring for 60min at the temperature;
finally, weigh-10#And (3) 20Kg of diesel oil, pouring the mixture of the methanol and the cosolvent into the diesel oil at room temperature, and fully stirring for 2 hours to obtain the modified methanol diesel oil vehicle fuel.
Example 2
Firstly, preparing a cosolvent, wherein the raw materials comprise the following components: 15 parts of n-octane, 5 parts of isopropyl acetone, 30 parts of n-butanol, 20 parts of methyl cyclopentane, 90 parts of solvent oil, 10 parts of pentanediol, 5 parts of dimethyl carbonate, 15 parts of ethyl oleate and 3 parts of stearic acid;
secondly, weighing 75Kg of methanol, dripping 5Kg of cosolvent into the methanol at the temperature of 5 ℃, and stirring for 60min at the temperature;
finally, weigh-10#And (3) 20Kg of diesel oil, pouring the mixture of the methanol and the cosolvent into the diesel oil at room temperature, and fully stirring for 2 hours to obtain the modified methanol diesel oil vehicle fuel.
Example 3
Firstly, preparing a cosolvent, wherein the raw materials comprise the following components: 20 parts of n-octane, 7 parts of isopropyl acetone, 30 parts of n-butanol, 25 parts of methyl cyclopentane, 80 parts of solvent oil, 10 parts of pentanediol, 5 parts of dimethyl carbonate, 20 parts of ethyl oleate and 3 parts of stearic acid;
secondly, weighing 65Kg of methanol, dripping 10Kg of cosolvent into the methanol at the temperature of 5 ℃, and stirring for 60min at the temperature;
finally, weigh-10#And (3) pouring 25Kg of diesel oil into the mixture of the methanol and the cosolvent at room temperature, and fully stirring for 2 hours to obtain the modified methanol diesel oil vehicle fuel.
The modified methanol diesel vehicle fuel prepared in examples 1 to 3 of the present application was tested, and the test results are shown in table 1.
TABLE 1
Heat value | Cetane index | Kinematic viscosity at 20 DEG C | |
Example 1 | 46.7MJ/Kg | 48.1 | 4.51mm2·g-1 |
Example 2 | 48.1MJ/Kg | 49.7 | 4.10mm2·g-1 |
Example 3 | 47.5MJ/Kg | 48.5 | 4.32mm2·g-1 |
-10#Diesel oil | 42.0MJ/Kg | 48.3 | 4.96mm2·g-1 |
Tests prove that the modified methanol diesel vehicle fuel has high long-term storage stability at normal temperature, is transparent and has no layering phenomenon, and tests prove that the fuel is stable in combustion, normal in oil way and nozzle atomization and stable in engine operation, and can reduce the fuel consumption by 10-15% compared with the conventional diesel fuel.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (6)
1. The modified methanol diesel vehicle fuel is characterized by comprising the following raw materials in percentage by weight:
65-75% of methanol
5 to 10 percent of cosolvent
The rest is diesel oil, and the rest is diesel oil,
the cosolvent is composed of n-octane, isopropyl ketone, n-butanol, methyl cyclopentane, solvent oil, pentanediol, dimethyl carbonate, ethyl oleate and stearic acid.
2. The modified methanol of claim 1A fuel for diesel vehicles, characterized in that the diesel fuel is-10#Or 0#Diesel oil.
3. The modified methanol diesel vehicle fuel of claim 1, wherein the cosolvent is prepared by mixing the following raw materials in parts by weight:
10-20 parts of n-octane, 3-9 parts of isopropyl acetone, 20-35 parts of n-butanol, 15-35 parts of methyl cyclopentane, 70-100 parts of solvent naphtha, 10-15 parts of pentanediol, 3-5 parts of dimethyl carbonate, 10-20 parts of ethyl oleate and 1-3 parts of stearic acid.
4. The modified methanol diesel vehicle fuel of claim 3, wherein the cosolvent is prepared by mixing the following raw materials in parts by weight:
15-20 parts of n-octane, 5-8 parts of isopropyl acetone, 25-30 parts of n-butanol, 20-30 parts of methylcyclopentane, 80-90 parts of solvent oil, 10-15 parts of pentanediol, 3-5 parts of dimethyl carbonate, 15-20 parts of ethyl oleate and 1-3 parts of stearic acid.
5. The method for preparing the modified methanol diesel vehicle fuel according to any one of claims 1 to 4, comprising the steps of:
(1) weighing methanol in proportion, dripping cosolvent into methanol at low temperature, and stirring at temperature for 30-60 min;
(2) weighing diesel oil according to a proportion, pouring the raw materials mixed in the step (1) into the diesel oil at room temperature, and fully stirring for 1-2h to obtain the modified methanol diesel oil vehicle fuel.
6. The method for preparing the modified methanol diesel vehicle fuel according to claim 5, wherein the low temperature in the step (2) is 0-5 ℃.
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CN114032123A (en) * | 2021-11-24 | 2022-02-11 | 孺子牛新能源科技有限公司 | High-proportion methanol diesel additive and using method thereof |
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