阅读说明：本技术 一种高清洁车用甲醇燃料 (High-cleanness methanol fuel for vehicles ) 是由 康定克 于 2019-12-16 设计创作，主要内容包括：本发明提供一种高清洁车用甲醇燃料,属于甲醇燃料技术领域。所述高清洁车用甲醇燃料,由以下体积份数的原料配制而成：甲醇15～30份、汽油60～90份、复合添加剂4～8份；所述复合添加剂由以下体积份数的原料配制而成：辅助剂3～5份、助溶剂5～10份、增能剂10～25份、抗氧化剂3～5份、金属腐蚀抑制剂5～10份、橡胶溶胀抑制剂5～10份。本发明的甲醇燃料配制简单,性能良好,可油耗与国标汽油相当,排放指标符合环保要求。另外,本发明的高清洁车用甲醇燃料有好的相溶性、耐水性强、汽车易于冷启动、无气阻现象、热值高、燃烧完全、抑制金属部件腐蚀。另外,本发明的甲醇燃料还遇水不分层,稳定性好,热值高,节能效果更加明显。(The invention provides a high-cleanness methanol fuel for a vehicle, and belongs to the technical field of methanol fuels. The methanol fuel for the high-cleanness vehicle is prepared from the following raw materials in parts by volume: 15-30 parts of methanol, 60-90 parts of gasoline and 4-8 parts of a composite additive; the composite additive is prepared from the following raw materials in parts by volume: 3-5 parts of an auxiliary agent, 5-10 parts of a cosolvent, 10-25 parts of an energizer, 3-5 parts of an antioxidant, 5-10 parts of a metal corrosion inhibitor and 5-10 parts of a rubber swelling inhibitor. The methanol fuel of the invention has simple preparation and good performance, the oil consumption is equivalent to national standard gasoline, and the emission index meets the environmental protection requirement. In addition, the high-cleanness methanol fuel for the automobile has good intermiscibility, strong water resistance, easy cold start of the automobile, no air resistance phenomenon, high heat value, complete combustion and inhibition of corrosion of metal parts. In addition, the methanol fuel provided by the invention is not layered when meeting water, and has the advantages of good stability, high heat value and more obvious energy-saving effect.)

1. The high-cleanness methanol fuel for the vehicle is characterized by being prepared from the following raw materials in parts by volume: 15-30 parts of methanol, 60-90 parts of gasoline and 4-8 parts of a composite additive;

the composite additive is prepared from the following raw materials in parts by volume: 3-5 parts of an auxiliary agent, 5-10 parts of a cosolvent, 10-25 parts of an energizer, 3-5 parts of an antioxidant, 5-10 parts of a metal corrosion inhibitor and 5-10 parts of a rubber swelling inhibitor.

2. The highly clean methanol fuel for vehicles as claimed in claim 1,

the auxiliary agent is prepared from the following raw materials in parts by volume: 15-20 parts of isopropyl ether, 20-25 parts of isopropanol, 2-3 parts of tetrahydrofuran, 3-5 parts of n-butyl alcohol, 6-10 parts of ethyl acetate and 5-10 parts of dibutyl hydroxy toluene;

the cosolvent is prepared from the following raw materials in parts by volume: 30-50 parts of diethylene glycol fatty acid, 18-28 parts of polyhydric isoamyl alcohol and 18-30 parts of esters;

the energizer is prepared from the following raw materials in parts by volume: 25-50 parts of linoleic acid, 20-40 parts of linolenic acid, 15-30 parts of stearic acid and 8-30 parts of myristic acid;

the antioxidant is prepared from the following raw materials, by volume, 30-70 parts of tetraethylenepentamine and 30-70 parts of 2, 4-dimethyl-6-tert-butylphenol;

the metal corrosion inhibitor is prepared from the following raw materials in parts by volume: 30-50 parts of pyrazolone, 25-50 parts of benzotriazole and 20-40 parts of polylysine;

the rubber expansion inhibitor is prepared from the following raw materials in parts by volume: 35-70 parts of dibutyl sebacate and 30-65 parts of 2-methylbenzothiazole.

3. The highly clean automotive methanol fuel of claim 2, characterized in that:

the auxiliary agent is prepared from the following raw materials in parts by volume: 17 parts of isopropyl ether, 22 parts of isopropanol, 2 parts of tetrahydrofuran, 3 parts of n-butanol, 8 parts of ethyl acetate and 6 parts of dibutyl hydroxy toluene;

the cosolvent is prepared from the following raw materials in parts by volume: 40 parts of diethylene glycol fatty acid, 22 parts of polyhydric isoamyl alcohol and 24 parts of esters;

the energizer is prepared from the following raw materials in parts by volume: 35 parts of linoleic acid, 32 parts of linolenic acid, 22 parts of stearic acid and 16 parts of myristic acid;

the antioxidant is prepared from the following raw materials, by volume, 48 parts of tetraethylenepentamine and 50 parts of 2, 4-dimethyl-6-tert-butylphenol;

the metal corrosion inhibitor is prepared from the following raw materials in parts by volume: 40 parts of pyrazolone, 36 parts of benzotriazole and 32 parts of polylysine;

the rubber expansion inhibitor is prepared from the following raw materials in parts by volume: 50 parts of dibutyl sebacate and 48 parts of 2-methylbenzothiazole.

4. The highly clean methanol fuel for vehicles according to claim 1, 2 or 3, characterized in that: the composite additive is prepared from the following raw materials in parts by volume: 4 parts of auxiliary agent, 6 parts of cosolvent, 16 parts of energizer, 4 parts of antioxidant, 7 parts of metal corrosion inhibitor and 8 parts of rubber swelling inhibitor.

Technical Field

The invention relates to the technical field of methanol fuels, in particular to a high-cleanness methanol fuel for vehicles.

Background

The methanol fuel for the high-cleanness vehicle is the simplest and most feasible path for replacing oil with coal, and compared with electric energy, liquid hydrogen, liquefied petroleum gas, natural gas, nuclear energy and the like, the methanol fuel for the high-cleanness vehicle is regarded as the most promising alternative clean fuel for the vehicle with excellent quality as an alcohol-based fuel, so that the partial replacement of petroleum is realized. The currently widely popularized methanol fuel for vehicles is M15 methanol gasoline, and methanol and gasoline have certain differences as the vehicle fuel due to different properties, and the problems of intermiscibility of the methanol and gasoline mixed fuel, power reduction, water stratification and corrosion swelling are four major problems which always restrict the development of the methanol gasoline on the premise of not changing an automobile engine. The methanol fuel additive for the vehicle is a functional substance added into the methanol fuel in order to make up for the defects of the methanol as the fuel in certain properties and endow the methanol fuel with some new excellent characteristics.

The methanol fuel is a novel clean fuel prepared by strictly scientific process blending industrial methanol or fuel methanol and a denatured alcohol additive with the existing national standard gasoline and diesel oil (or component oil) according to a certain volume (or weight ratio). Can replace gasoline and diesel oil and be used for various motor vehicles and cooking stoves. The raw materials for producing the methanol mainly comprise coal, natural gas, coal bed gas, coke oven gas and the like, and particularly, the high-sulfur inferior coal and the coke oven gas are used for producing the methanol, so that the comprehensive utilization of resources can be improved, and the environmental pollution can be reduced. The development of the coal-to-methanol fuel, the supplement and partial replacement of the petroleum fuel, the release of the energy shortage situation in China and the improvement of the comprehensive utilization of resources.

At present, the widely popularized methanol fuel for vehicles is methanol gasoline, but the existing methanol gasoline has the technical problems of water stratification, low calorific value, hot air resistance, difficult cold start, poor stability, corrosion swelling and high-temperature lubrication.

Disclosure of Invention

The invention aims to provide a high-cleanness methanol fuel for vehicles, and aims to solve the technical problems of water stratification, low calorific value, hot air resistance, difficult cold start, poor stability, corrosion swelling and high-temperature lubrication of methanol gasoline in the technology.

In order to achieve the purpose, the methanol fuel for the high-cleanness vehicle adopts the technical scheme that: the methanol fuel for the high-cleanness vehicle is prepared from the following raw materials in parts by volume: 15-30 parts of methanol, 60-90 parts of gasoline and 4-8 parts of a composite additive;

the composite additive is prepared from the following raw materials in parts by volume: 3-5 parts of an auxiliary agent, 5-10 parts of a cosolvent, 10-25 parts of an energizer, 3-5 parts of an antioxidant, 5-10 parts of a metal corrosion inhibitor and 5-10 parts of a rubber swelling inhibitor.

Preferably, the adjuvant is prepared from the following raw materials in parts by volume: 15-20 parts of isopropyl ether, 20-25 parts of isopropanol, 2-3 parts of tetrahydrofuran, 3-5 parts of n-butyl alcohol, 6-10 parts of ethyl acetate and 5-10 parts of dibutyl hydroxy toluene;

the cosolvent is prepared from the following raw materials in parts by volume: 30-50 parts of diethylene glycol fatty acid, 18-28 parts of polyhydric isoamyl alcohol and 18-30 parts of esters;

the energizer is prepared from the following raw materials in parts by volume: 25-50 parts of linoleic acid, 20-40 parts of linolenic acid, 15-30 parts of stearic acid and 8-30 parts of myristic acid;

the antioxidant is prepared from the following raw materials, by volume, 30-70 parts of tetraethylenepentamine and 30-70 parts of 2, 4-dimethyl-6-tert-butylphenol;

the metal corrosion inhibitor is prepared from the following raw materials in parts by volume: 30-50 parts of pyrazolone, 25-50 parts of benzotriazole and 20-40 parts of polylysine;

the rubber expansion inhibitor is prepared from the following raw materials in parts by volume: 35-70 parts of dibutyl sebacate and 30-65 parts of 2-methylbenzothiazole.

Preferably, the adjuvant is prepared from the following raw materials in parts by volume: 17 parts of isopropyl ether, 22 parts of isopropanol, 2 parts of tetrahydrofuran, 3 parts of n-butanol, 8 parts of ethyl acetate and 6 parts of dibutyl hydroxy toluene;

the cosolvent is prepared from the following raw materials in parts by volume: 40 parts of diethylene glycol fatty acid, 22 parts of polyhydric isoamyl alcohol and 24 parts of esters;

the energizer is prepared from the following raw materials in parts by volume: 35 parts of linoleic acid, 32 parts of linolenic acid, 22 parts of stearic acid and 16 parts of myristic acid.

The antioxidant is prepared from the following raw materials, by volume, 48 parts of tetraethylenepentamine and 50 parts of 2, 4-dimethyl-6-tert-butylphenol;

the metal corrosion inhibitor is prepared from the following raw materials in parts by volume: 30-50 parts of pyrazolone, 36 parts of benzotriazole and 32 parts of polylysine;

the rubber expansion inhibitor is prepared from the following raw materials in parts by volume: 50 parts of dibutyl sebacate and 48 parts of 2-methylbenzothiazole.

Preferably, the composite additive is prepared from the following raw materials in parts by volume: 4 parts of auxiliary agent, 6 parts of cosolvent, 16 parts of energizer, 4 parts of antioxidant, 7 parts of metal corrosion inhibitor and 8 parts of rubber swelling inhibitor.

Wherein: the auxiliary agent in the composite additive acts with other raw materials, so that the damage of methanol fuel to the humorous of an engine cylinder is reduced, the damage of the engine is reduced, and the service life of the engine is prolonged.

The cosolvent in the composite additive synergistically acts on the methanol and the gasoline, so that the intersolubility of the methanol and the gasoline is enhanced, and the methanol gasoline does not have a layering phenomenon within the temperature range of the use environment; the water resistance of the methanol gasoline is improved, and the methanol gasoline does not generate a layering phenomenon in a humid environment with a small amount of water. When the water content reaches 1.5 percent and the temperature is minus 40 ℃, the methanol can be stored and used for a long time without turbidity and phase separation. At the same time, the stabilizer also enhances the spray performance of the engine, cleans and lubricates locomotive valves, and improves other aspects of the engine performance.

The energizer in the composite additive synergistically acts on the methanol and the gasoline, and the heat value and the power performance of the methanol fuel are improved.

The antioxidant in the compound additive is synergistically acted on methanol and gasoline, so that the problem that a small amount of formaldehyde generated by incomplete combustion is continuously oxidized into strong corrosive formic acid in the production or combustion process of the methanol can be inhibited, and the metal part is protected;

the metal corrosion inhibitor in the composite additive synergistically acts on methanol and gasoline, can inhibit formic acid generated by incomplete combustion of the methanol and oxygen in the environment, and impurities such as formic acid, methyl formate and aldehyde carried in the methanol gasoline by raw material methanol to react with the metal, can finally inhibit the corrosion of the methanol gasoline to the metal, avoids the corrosion of metal parts such as a carburetor and a fuel system, and further prolongs the service life of an engine and a vehicle;

the rubber swelling inhibitor in the composite additive synergistically acts on methanol and gasoline to inhibit methanol and alcohol substances in the additive from corroding and swelling certain rubber materials and plastic parts, so that the phenomena of swelling, viscosity change, hardening, brittleness or softening and the like of the methanol gasoline in use are avoided, and the good air tightness, smooth oil path and safety of an engine fuel supply system are further ensured.

The invention has the beneficial effects that: the methanol fuel of the invention has simple preparation and good performance, the oil consumption is equivalent to national standard gasoline, the emission index meets the environmental protection requirement, the content of sulfur (S) is 0.0008 percent (m/m) by the detection of SH/T0689 by an authority, and the methanol fuel adopts IEC 62321: test method 2008 ed.1sec.10, lead (Pb) content was n.d. (not detected). The results show that the sulfur content and the lead content of the additive are far lower than those of other similar methanol gasoline additives in national standard and China.

In addition, the methanol fuel of the invention also has the following characteristics: the methanol gasoline does not delaminate when meeting water, has good stability, does not delaminate when containing less than or equal to 2 percent of water, and has a retention period of up to 1 year, thereby meeting the requirements of production, sale and use; high heat value, easy cold start, no air resistance, high heat value and complete combustion. The octane number (RON) of the methanol gasoline is as high as 99.8, so that the fuel is combusted more fully and the kinetic energy is stronger; effectively solves the problem of corrosion swelling. The energy-saving effect is more obvious, and the oil-saving rate reaches more than 30 percent; the tail gas emission is more environment-friendly. Through multiple detections, the methanol fuel can reduce the exhaust emission by more than 50 percent, the HC (10-6) value is 5 at high idle speed, the HC (10-6) value is 4 at idle speed, and the HC (10-6) value is 27 at high idle speed and the HC (10-6) value is 23 at idle speed in national standard III gasoline exhaust emission detection; the gasoline-fueled motor vehicle has wide application fields, and can be widely applied to various gasoline-fueled motor vehicles, such as cars, passenger cars, forklifts, power-assisted vehicles, agricultural vehicles, motorcycles, loading vehicles, forklifts and the like.

Detailed Description

The present invention will be further described with reference to the following specific examples.