CN111635787A - Environment-friendly methanol fuel and preparation method thereof - Google Patents
Environment-friendly methanol fuel and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an environment-friendly methanol fuel and a preparation method thereof. The environment-friendly methanol fuel is prepared from the following raw materials in parts by weight: 30.0 to 60.0 portions of methanol, 8.5 to 10.5 portions of higher fatty alcohol, 10.0 to 15.0 portions of isooctanol, 0.3 to 0.6 portion of ethyl tert-amyl ether, 5.0 to 8.0 portions of xylene, 3.0 to 4.0 portions of acetone, 1.5 to 2.5 portions of methanol modifier, 0.4 to 1.0 portion of petroleum ether, 0.05 to 0.10 portion of sodium bicarbonate, 0.01 to 0.03 portion of preservative, and 0.01 to 0.03 portion of glycol; according to the environment-friendly methanol fuel prepared by the invention, the methanol modifier is added to modify methanol, so that the corrosion degree of the methanol on materials such as metal and rubber is adjusted, the stability of the methanol fuel is improved, and the calorific value of the methanol is increased.
Description
Technical Field
The invention belongs to the technical field of methanol fuels, and particularly relates to an environment-friendly methanol fuel and a preparation method thereof.
Background
With the rapid development of economy, the energy demand is increasing. At present, due to the shortage of resources and the great pressure of the long-term development of the world economy, and the fact that fuels such as diesel oil adopted in the current industry contain various harmful gases, particle dust and the like in exhaust gas after combustion, the environment is seriously polluted, and the healthy life of human beings is influenced, therefore, the research and development of clean and environment-friendly alternative energy sources are very important.
The methanol is used as an environment-friendly clean energy source, has rich resources and low price, can be prepared from coal and charcoal, can be directly prepared by hydrogenation of carbon dioxide, and can also be obtained from other byproducts of chemical industry and pharmaceutical industry.
The industrial production technology for preparing the methanol is widely and mature applied, and the methanol is the simplest and most practical as a partial fuel alternative energy source. The alcohol fuel is a clean alternative fuel, methanol contains oxygen, and the ratio of carbon to hydrogen is 1: 4, complete combustion can be realized, and emission of carbon-containing substances such as CO and the like is reduced. However, methanol fuel has corresponding disadvantages, such as low calorific value and toxicity of methanol, corrosion of metal surface and rubber plastic pad by methanol fuel, low temperature phase separation of methanol fuel, poor stability of methanol fuel, etc.
Chinese patent CN101240200B discloses a methanol clean fuel for vehicles, which is prepared by taking methanol, light hydrocarbon, high-carbon alcohol, gasoline or gasoline component oil and the like as raw materials and adding a methanol modifier, a combustion improver, a cleaning dispersant, an anticorrosion inhibitor, an antioxidant and an antiwear agent in the production process. The vehicle methanol clean fuel has the advantages of high preparation cost and narrow application field.
Chinese patent CN104449882B discloses an alcohol ether ester methanol fuel, which is prepared from the following raw materials: methanol, lower alcohols, ethers, esters; the low-carbon alcohol is a mixture of ethanol, propanol, glycerol and isobutanol, the ether is a mixture of ethyl tert-butyl ether, methyl tert-amyl ether, ethyl tert-amyl ether and diisobutyl ether, and the ester is a mixture of ethyl acetate, diethylene glycol fatty acid ester and dibutyl phthalate. The alcohol ether ester methanol fuel prepared by the invention has smaller power and lower combustion value.
Therefore, the invention provides an environment-friendly methanol fuel aiming at the problems of high pollution, high cost, insufficient power of the methanol fuel, poor stability and the like of the traditional fuel.
Disclosure of Invention
The invention aims to overcome the existing defects and provide an environment-friendly methanol fuel.
In order to solve the technical problems, the invention adopts the following technical scheme:
an environment-friendly methanol fuel is prepared from the following raw materials in parts by weight: 30.0 to 60.0 portions of methanol, 8.5 to 10.5 portions of higher fatty alcohol, 10.0 to 15.0 portions of isooctanol, 0.3 to 0.6 portion of ethyl tert-amyl ether, 5.0 to 8.0 portions of dimethylbenzene, 3.0 to 4.0 portions of acetone, 1.5 to 2.5 portions of methanol modifier, 0.4 to 1.0 portion of petroleum ether, 0.05 to 0.10 portion of sodium bicarbonate, 0.01 to 0.03 portion of preservative, and 0.01 to 0.03 portion of glycol.
Further, the environment-friendly methanol fuel is prepared from the following raw materials in parts by weight: 40.0 to 50.0 portions of methanol, 9.0 to 10.0 portions of higher fatty alcohol, 11.0 to 14.0 portions of isooctanol, 0.4 to 0.5 portion of ethyl tert-amyl ether, 6.0 to 7.0 portions of xylene, 3.2 to 3.8 portions of acetone, 1.8 to 2.2 portions of methanol modifier, 0.6 to 0.8 portion of petroleum ether, 0.06 to 0.09 portion of sodium bicarbonate, 0.01 to 0.02 portion of preservative, and 0.02 to 0.03 portion of glycol.
Further, the environment-friendly methanol fuel is prepared from the following raw materials in parts by weight: 45.0 parts of methanol, 9.5 parts of higher fatty alcohol, 13.0 parts of isooctanol, 0.4 part of ethyl tert-amyl ether, 6.5 parts of xylene, 3.5 parts of acetone, 2.0 parts of methanol modifier, 0.7 part of petroleum ether, 0.08 part of sodium bicarbonate, 0.02 part of corrosion inhibitor and 0.03 part of ethylene glycol.
Further, the methanol modifier is prepared from calcium carbonate, sodium perchlorate and butanone according to a mass ratio of 1: 0.5: 0.1-0.2.
Further, the higher fatty alcohol is composed of any two of tetracosanol, hexacosanol, heptacosanol, octacosanol and dotriacontanol.
Further, the corrosion inhibitor is 3-methyl-6-tert-butylphenol and hydrogen peroxide according to the mass ratio of 1: 0.1-0.2.
According to another object of the present invention, there is provided a method for preparing the above environmentally friendly methanol fuel, comprising the steps of:
s10, mixing the methanol and the methanol modifier in parts by weight, and shearing the mixture in a shearing machine at the speed of 350-550 r/min for 15-20 min to obtain modified methanol for later use;
s20, mixing the modified methanol obtained in the step S10 with the high-carbon fatty alcohol, isooctanol, ethyl tert-amyl ether, xylene, acetone and petroleum ether in parts by weight, stirring for the first time for 20-30 min, finally adding the sodium bicarbonate, the corrosion inhibitor and the ethylene glycol in parts by weight, and stirring for the second time for 10-15 min to obtain a primary mixture;
s30, grinding the primary mixture obtained in the step S20 at the temperature of 10-18 ℃ for 45-60 min, and then filtering to obtain the environment-friendly methanol fuel.
Further, in S20, the first stirring rate is 600 to 900 rpm, and the second stirring rate is 800 to 1200 rpm.
Further, in S30, a 200-300 mesh sieve was used for the filtration.
The invention has the advantages and beneficial effects that:
1. according to the environment-friendly methanol fuel prepared by the invention, the methanol modifier is added to modify methanol, so that the corrosion degree of the methanol on materials such as metal and rubber is adjusted, the stability of the methanol fuel is improved, and the calorific value of the methanol is increased;
2. the environment-friendly methanol fuel prepared by the invention is formed by mutually fusing and coordinating the raw materials of all components according to a certain proportion, has good stability, can replace traditional dyes such as gasoline, diesel oil and the like, has higher combustion value and combustion efficiency, does not generate pollutants such as harmful gas, particle dust and the like, and can be used safely;
3. the environment-friendly methanol fuel prepared by the invention has the advantages of rich raw material sources, low price, simple preparation method, easy operation and suitability for wide popularization.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention is described in further detail below.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Example 1
Environment-friendly methanol fuel
The environment-friendly methanol fuel is prepared from the following raw materials in parts by weight: 30.0kg of methanol, 8.5kg of higher fatty alcohol, 10.0kg of isooctanol, 0.3kg of ethyl tert-amyl ether, 5.0kg of xylene, 3.0kg of acetone, 1.5kg of methanol modifier, 0.4kg of petroleum ether, 0.05kg of sodium bicarbonate, 0.01kg of preservative and 0.01kg of ethylene glycol; wherein the methanol modifier is prepared from calcium carbonate, sodium perchlorate and butanone according to a mass ratio of 1: 0.5: 0.1; the high-carbon fatty alcohol is prepared from tetracosanol and hexacosanol according to the mass ratio of 1: 1, preparing a composition; the corrosion inhibitor is 3-methyl-6-tert-butylphenol and hydrogen peroxide in a mass ratio of 1: 0.1, the components are mixed.
The preparation method comprises the following steps:
s10, mixing the methanol and the methanol modifier in parts by weight, and shearing the mixture in a shearing machine at the speed of 350 r/min for 15min to obtain modified methanol for later use;
s20, mixing the modified methanol obtained in the step S10 with the high-carbon fatty alcohol, the isooctanol, the ethyl tert-amyl ether, the xylene, the acetone and the petroleum ether in parts by weight, stirring for 20min for the first time, finally adding the sodium bicarbonate, the corrosion inhibitor and the ethylene glycol in parts by weight, and stirring for 10min again to obtain a primary mixture; wherein the first stirring speed is 600 revolutions per minute, and the second stirring speed is 800 revolutions per minute;
s30, grinding the primary mixture obtained in the step S20 at the temperature of 10 ℃ for 45min, and then filtering by adopting a 200-mesh screen to obtain the environment-friendly methanol fuel.
Example 2
Environment-friendly methanol fuel
The environment-friendly methanol fuel is prepared from the following raw materials in parts by weight: 60.0kg of methanol, 10.5kg of higher fatty alcohol, 15.0kg of isooctanol, 0.6kg of ethyl tert-amyl ether, 8.0kg of xylene, 4.0kg of acetone, 2.5kg of methanol modifier, 1.0kg of petroleum ether, 0.10kg of sodium bicarbonate, 0.03kg of preservative and 0.03kg of ethylene glycol; wherein the methanol modifier is prepared from calcium carbonate, sodium perchlorate and butanone according to a mass ratio of 1: 0.5: 0.2; the high-carbon fatty alcohol is prepared from heptacosanol and octacosanol according to the mass ratio of 1: 2, preparing a composition; the corrosion inhibitor is 3-methyl-6-tert-butylphenol and hydrogen peroxide in a mass ratio of 1: 0.2.
The preparation method comprises the following steps:
s10, mixing the methanol and the methanol modifier in parts by weight, and shearing the mixture in a shearing machine at 550 revolutions per minute for 20min to obtain modified methanol for later use;
s20, mixing the modified methanol obtained in the step S10 with the high-carbon fatty alcohol, the isooctanol, the ethyl tert-amyl ether, the xylene, the acetone and the petroleum ether in parts by weight, stirring for the first time for 30min, finally adding the sodium bicarbonate, the corrosion inhibitor and the ethylene glycol in parts by weight, and stirring for another 15min to obtain a primary mixture; wherein the first stirring speed is 900 revolutions per minute, and the second stirring speed is 1200 revolutions per minute;
s30, grinding the primary mixture obtained in the step S20 for 60min at the temperature of 18 ℃, and then filtering by adopting a 300-mesh screen to obtain the environment-friendly methanol fuel.
Example 3
Environment-friendly methanol fuel
The environment-friendly methanol fuel is prepared from the following raw materials in parts by weight: 40.0kg of methanol, 9.0kg of higher fatty alcohol, 11.0kg of isooctanol, 0.4kg of ethyl tert-amyl ether, 6.0kg of xylene, 3.2kg of acetone, 1.8kg of methanol modifier, 0.6kg of petroleum ether, 0.06kg of sodium bicarbonate, 0.01kg of preservative and 0.02kg of ethylene glycol; wherein the methanol modifier is prepared from calcium carbonate, sodium perchlorate and butanone according to a mass ratio of 1: 0.5: 0.2; the high-carbon fatty alcohol is prepared from tetracosanol and dotriacontanol according to the mass ratio of 1: 3, preparing a composition; the corrosion inhibitor is 3-methyl-6-tert-butylphenol and hydrogen peroxide in a mass ratio of 1: 0.2.
The preparation method comprises the following steps:
s10, mixing the methanol and the methanol modifier in parts by weight, and shearing the mixture in a shearing machine at a speed of 400 r/min for 16min to obtain modified methanol for later use;
s20, mixing the modified methanol obtained in the step S10 with the high-carbon fatty alcohol, the isooctanol, the ethyl tert-amyl ether, the xylene, the acetone and the petroleum ether in parts by weight, stirring for the first time for 22min, finally adding the sodium bicarbonate, the corrosion inhibitor and the ethylene glycol in parts by weight, and stirring for another 11min to obtain a primary mixture; wherein the first stirring speed is 700 revolutions per minute, and the second stirring speed is 900 revolutions per minute;
s30, grinding the primary mixture obtained in the step S20 for 50min at the temperature of 12 ℃, and then filtering by adopting a 220-mesh screen to obtain the environment-friendly methanol fuel.
Example 4
Environment-friendly methanol fuel
The environment-friendly methanol fuel is prepared from the following raw materials in parts by weight: 50.0kg of methanol, 10.0kg of higher fatty alcohol, 14.0kg of isooctanol, 0.5kg of ethyl tert-amyl ether, 7.0kg of xylene, 3.8kg of acetone, 2.2kg of methanol modifier, 0.8kg of petroleum ether, 0.09kg of sodium bicarbonate, 0.02kg of preservative and 0.03kg of ethylene glycol; wherein the methanol modifier is prepared from calcium carbonate, sodium perchlorate and butanone according to a mass ratio of 1: 0.5: 0.1; the high-carbon fatty alcohol is prepared from hexacosanol and octacosanol according to the mass ratio of 1: 2, preparing a composition; the corrosion inhibitor is 3-methyl-6-tert-butylphenol and hydrogen peroxide in a mass ratio of 1: 0.1.
The preparation method comprises the following steps:
s10, mixing the methanol and the methanol modifier in parts by weight, and shearing the mixture in a shearing machine at 500 revolutions per minute for 19min to obtain modified methanol for later use;
s20, mixing the modified methanol obtained in the step S10 with the high-carbon fatty alcohol, the isooctanol, the ethyl tert-amyl ether, the xylene, the acetone and the petroleum ether in parts by weight, stirring for 28min for the first time, finally adding the sodium bicarbonate, the corrosion inhibitor and the ethylene glycol in parts by weight, and stirring for 14min again to obtain a primary mixture; wherein the first stirring speed is 800 revolutions per minute, and the second stirring speed is 1100 revolutions per minute;
s30, grinding the primary mixture obtained in the step S20 at the temperature of 16 ℃ for 55min, and then filtering by using a 280-mesh screen to obtain the environment-friendly methanol fuel.
Example 5
Environment-friendly methanol fuel
The environment-friendly methanol fuel is prepared from the following raw materials in parts by weight: 45.0kg of methanol, 9.5kg of higher fatty alcohol, 13.0kg of isooctanol, 0.4kg of ethyl tert-amyl ether, 6.5kg of xylene, 3.5kg of acetone, 2.0kg of methanol modifier, 0.7kg of petroleum ether, 0.08kg of sodium bicarbonate, 0.02kg of preservative and 0.03kg of ethylene glycol; wherein the methanol modifier is prepared from calcium carbonate, sodium perchlorate and butanone according to a mass ratio of 1: 0.5: 0.1; the high-carbon fatty alcohol is prepared from heptacosanol and dotriacontanol in a mass ratio of 1: 5, preparing a composition; the corrosion inhibitor is 3-methyl-6-tert-butylphenol and hydrogen peroxide in a mass ratio of 1: 0.2.
The preparation method comprises the following steps:
s10, mixing the methanol and the methanol modifier in parts by weight, and shearing the mixture in a shearing machine at a speed of 450 revolutions per minute for 18min to obtain modified methanol for later use;
s20, mixing the modified methanol obtained in the step S10 with the high-carbon fatty alcohol, the isooctanol, the ethyl tert-amyl ether, the xylene, the acetone and the petroleum ether in parts by weight, stirring for the first time for 25min, finally adding the sodium bicarbonate, the corrosion inhibitor and the ethylene glycol in parts by weight, and stirring for the second time for 14min to obtain a primary mixture; wherein the first stirring speed is 750 revolutions per minute, and the second stirring speed is 1000 revolutions per minute;
s30, grinding the primary mixture obtained in the step S20 for 52min at the temperature of 14 ℃, and then filtering the mixture by using a 250-mesh screen to obtain the environment-friendly methanol fuel.
The above description is only a preferred embodiment and an experimental example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The environment-friendly methanol fuel is characterized by being prepared from the following raw materials in parts by weight: 30.0 to 60.0 portions of methanol, 8.5 to 10.5 portions of higher fatty alcohol, 10.0 to 15.0 portions of isooctanol, 0.3 to 0.6 portion of ethyl tert-amyl ether, 5.0 to 8.0 portions of dimethylbenzene, 3.0 to 4.0 portions of acetone, 1.5 to 2.5 portions of methanol modifier, 0.4 to 1.0 portion of petroleum ether, 0.05 to 0.10 portion of sodium bicarbonate, 0.01 to 0.03 portion of preservative, and 0.01 to 0.03 portion of glycol.
2. The environment-friendly methanol fuel according to claim 1, wherein the environment-friendly methanol fuel is prepared from the following raw materials in parts by weight: 40.0 to 50.0 portions of methanol, 9.0 to 10.0 portions of higher fatty alcohol, 11.0 to 14.0 portions of isooctanol, 0.4 to 0.5 portion of ethyl tert-amyl ether, 6.0 to 7.0 portions of xylene, 3.2 to 3.8 portions of acetone, 1.8 to 2.2 portions of methanol modifier, 0.6 to 0.8 portion of petroleum ether, 0.06 to 0.09 portion of sodium bicarbonate, 0.01 to 0.02 portion of preservative, and 0.02 to 0.03 portion of glycol.
3. The environment-friendly methanol fuel according to claim 1, wherein the environment-friendly methanol fuel is prepared from the following raw materials in parts by weight: 45.0 parts of methanol, 9.5 parts of higher fatty alcohol, 13.0 parts of isooctanol, 0.4 part of ethyl tert-amyl ether, 6.5 parts of xylene, 3.5 parts of acetone, 2.0 parts of methanol modifier, 0.7 part of petroleum ether, 0.08 part of sodium bicarbonate, 0.02 part of corrosion inhibitor and 0.03 part of ethylene glycol.
4. The environment-friendly methanol fuel according to claim 1, wherein the methanol modifier is prepared from calcium carbonate, sodium perchlorate and butanone in a mass ratio of 1: 0.5: 0.1-0.2.
5. The environmentally friendly methanol fuel of claim 1, wherein the higher fatty alcohol is comprised of any two of tetracosanol, hexacosanol, heptacosanol, octacosanol and dotriacontanol.
6. The environment-friendly methanol fuel as claimed in claim 1, wherein the corrosion inhibitor is 3-methyl-6-tert-butylphenol and hydrogen peroxide in a mass ratio of 1: 0.1-0.2.
7. The preparation method of the environment-friendly methanol fuel as claimed in any one of claims 1 to 6, characterized by comprising the following steps:
s10, mixing the methanol and the methanol modifier in parts by weight, and shearing the mixture in a shearing machine at the speed of 350-550 r/min for 15-20 min to obtain modified methanol for later use;
s20, mixing the modified methanol obtained in the step S10 with the high-carbon fatty alcohol, isooctanol, ethyl tert-amyl ether, xylene, acetone and petroleum ether in parts by weight, stirring for the first time for 20-30 min, finally adding the sodium bicarbonate, the corrosion inhibitor and the ethylene glycol in parts by weight, and stirring for the second time for 10-15 min to obtain a primary mixture;
s30, grinding the primary mixture obtained in the step S20 at the temperature of 10-18 ℃ for 45-60 min, and then filtering to obtain the environment-friendly methanol fuel.
8. The method according to claim 7, wherein in S20, the first stirring rate is 600 to 900 rpm and the second stirring rate is 800 to 1200 rpm.
9. The method according to claim 7, wherein in S30, a 200-300 mesh screen is used for the filtration.
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