CN110938478B

CN110938478B - Alcohol-based fuel for vehicles and preparation method thereof

Info

Publication number: CN110938478B
Application number: CN201911178526.8A
Authority: CN
Inventors: 曲连文
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2022-10-11
Anticipated expiration: 2039-11-27
Also published as: CN110938478A

Abstract

The invention discloses an alcohol-based fuel for a vehicle, and belongs to the field of vehicle fuels. Mainly comprises 5-30 parts of methanol and 3-15 parts of absolute ethyl alcohol; 3-10 parts of Spanish, 2-10 parts of isopropyl ether; 1-6 parts of dimethylbenzene and 0.5-4 parts of acetone; 2-10 parts of isopropanol; 2-15 parts of tertiary butanol, 5-20 parts of n-octanol, 5-20 parts of n-decanol and 2-10 parts of n-butanol. The methanol combustion of the invention has high heat value, low energy consumption, strong power, no carbon deposition, tail gas emission completely reaching the national emission standard, excellent combustibility, corrosion resistance and product stability, and the substances after full combustion are carbon dioxide and water, thereby avoiding the generation of nitrogen-containing oxide and sulfur-containing oxide, and being green and environment-friendly. Meanwhile, the raw materials of the substances are easy to obtain, and the cost is low.

Description

Alcohol-based fuel for vehicles and preparation method thereof

Technical Field

The invention relates to the field of vehicle fuels, in particular to an environment-friendly pollution-free vehicle alcohol-based fuel and a preparation method thereof.

Background

Petroleum belongs to non-renewable resources, and the petroleum resources in China are increasingly reduced, so that the petroleum is in danger of being exhausted. Meanwhile, the import of petroleum in China reaches 70%, the international situation also increasingly threatens the safety of imported petroleum channels, and the search of an alternative petroleum energy source is increasingly becoming an important task. In addition, the petroleum combustion process causes great damage to our environment, so that the method is urgent and is a new energy source which is cheap, safe, environment-friendly and renewable.

Methanol has the advantages of high cleanliness, easy acquisition, reproducibility and the like, and is gradually paid attention to by people. The alcohol fuel is used as a preferred fuel for replacing petroleum in various countries in the world, but the alcohol fuel has strong corrosivity, lower calorific value and poorer storage stability, and the wide application of the alcohol fuel is limited. The methanol gasoline for the vehicle disclosed in publication No. CN100580064C, gasoline, methanol, light hydrocarbon, heptanol, isopropyl ether, dodecane, 2, 4-trimethylpentane and 1, 2-dibromoethane which are used as heat value increasing agents; the plasticizer is a mixture of oleic acid, dibutylamine, triacetin and xylenol, the solubilizer is a mixture of petroleum ether, o-xylene, butanone, cyclohexanone, acetylacetone, ethyl isobutyrate and diethyl carbonate, and the plasticizer further comprises n-butanol and isopropanol. The heat value agent and solubilizer contain high polymer, which has high cost and strong corrosivity. Publication No. CN110041972A discloses a methanol fuel, which comprises higher aliphatic alcohol, glycol, isopentane, aromatic oil, xylene and mother liquor additive; wherein the mother liquor additive comprises n-heptane, isobutanol, hexamethylphosphoric triamide, ethylene glycol ethyl ether, benzotrifluoride, iron naphthenate, sodium alkyl sulfonate, diethyl ether, di-tert-butyl-p-cresol and n-octane. The product contains a large amount of benzotrifluoride, phenols, ethers and the like, and the cost of the substances is high. Meanwhile, the fire is various, the explosion is easy to occur, and the danger coefficient is high.

In summary, the additives in the existing alcohol-based fuels have high and many kinds of fire, are easy to explode, have low safety, and have high cost, strong clothing property and instability, so that the continuous exploration and research of high-performance alcohol-based fuels are necessary.

Disclosure of Invention

In order to solve the problems, the invention provides the alcohol-based fuel for the vehicle, which has excellent combustion performance, corrosion resistance and stability, low cost and environment-friendly and pollution-free products after full combustion.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an alcohol-base fuel for car is prepared from alcohol, antiseptic, synergist, cold starter and heat increaser.

Further, the alcohol is a mixture of methanol and absolute ethyl alcohol; the corrosion prevention is the mixture of the xylene and the acetone, and the synergist is isopropyl ether; the cold starter is isopropanol; the heat increasing agent comprises tertiary butanol, n-octanol, n-decanol and n-butanol.

Further, the alcohol-based fuel for the vehicle mainly comprises the following components in parts by weight: 5-30 parts of methanol and 3-15 parts of absolute ethyl alcohol; 3-10 parts of Spanish, 2-10 parts of isopropyl ether; 1-6 parts of dimethylbenzene and 0.5-4 parts of acetone; 2-10 parts of isopropanol; 2-15 parts of tertiary butanol, 5-20 parts of n-octanol, 5-20 parts of n-decanol and 2-10 parts of n-butanol.

Further, the alcohol-based fuel for the vehicle mainly comprises the following components in parts by weight: 10-25 parts of methanol and 5-10 parts of absolute ethyl alcohol; 3-5 parts of Spanish, 2-7 parts of isopropyl ether; 1-5 parts of dimethylbenzene and 0.5-2 parts of acetone; 2-5 parts of isopropanol; 5-10 parts of tertiary butanol, 10-20 parts of n-octanol, 5-15 parts of n-decanol and 5-8 parts of n-butanol.

Further, the alcohol-based fuel for the vehicle mainly comprises the following components in parts by weight: 15-25 parts of methanol and 7-10 parts of absolute ethyl alcohol; 3-5 parts of Spanish, 5-7 parts of isopropyl ether; 3-5 parts of dimethylbenzene and 0.5-1.5 parts of acetone; 2-4 parts of isopropanol; 8-10 parts of tertiary butanol, 10-15 parts of n-octanol, 7-12 parts of n-decanol and 5-8 parts of n-butanol.

The preparation method of the alcohol-based fuel for the vehicle comprises the following steps: sequentially adding absolute ethyl alcohol, acetone, isopropanol, tert-butyl alcohol, xylene, n-octanol, n-decanol, methanol, span, isopropyl ether and n-butanol at normal temperature and normal pressure, stirring and mixing, and standing for 8-12 h.

Furthermore, the time interval between the addition of two adjacent components in the preparation method is 5-10min; the stirring speed is 1000-1500r/min.

The alcohol-based fuel for the vehicle and the preparation method thereof have the beneficial effects that:

(1) The methanol combustion of the invention has high heat value, low energy consumption, strong power, no carbon deposition, tail gas emission completely reaching the national emission standard, excellent combustibility, corrosion resistance and product stability.

(2) According to the invention, isopropanol is used as a cold starter, so that the evaporation of fuel oil can be promoted when the whole alcohol-based fuel is at a low temperature, and the rapid combustion of the methanol fuel is ensured; meanwhile, the fluidity of the whole fuel is improved, and the engine is easier to start.

(3) The heat increasing agent is added with tertiary butyl alcohol, n-octyl alcohol, n-decyl alcohol and n-butyl alcohol, and the substances are alcohol substances. After the alcohol is added, the octane number can be improved, the alcohols can be combusted, the heat is improved, substances after full combustion are carbon dioxide and water, the generation of nitrogen-containing oxides and sulfur-containing oxides is avoided, and the alcohol is green and environment-friendly. Meanwhile, the raw materials of the substances are easy to obtain, and the cost is low.

(4) According to the preparation method, the components are added and mixed according to a special sequence, so that the explosion resistance can be effectively realized, and the evaporation can be prevented. The heat and power of the alcohol-based fuel are improved.

Detailed Description

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

Example 1

An alcohol-based fuel for vehicles mainly comprises the following components in parts by weight: 5 parts of methanol and 3 parts of absolute ethyl alcohol; 3 parts of Spanish, 2 parts of isopropyl ether; 1 part of dimethylbenzene and 0.5 part of acetone; 2 parts of isopropanol; 2 parts of tertiary butanol, 5 parts of n-octanol, 5 parts of n-decanol and 2 parts of n-butanol.

The preparation method of the alcohol-based fuel for the vehicle comprises the following steps: sequentially adding absolute ethyl alcohol, acetone, isopropanol, tert-butyl alcohol, xylene, n-octanol, n-decanol, methanol, span, isopropyl ether and n-butanol at normal temperature and normal pressure, and stirring and mixing, wherein the time interval between the addition of two adjacent components is 10min; the stirring speed is 1000r/min; mixing, and standing for 8-12 hr.

Example 2

An alcohol-based fuel for vehicles mainly comprises the following components in parts by weight: 30 parts of methanol and 15 parts of absolute ethyl alcohol; 10 parts of Dis and 10 parts of isopropyl ether; 6 parts of dimethylbenzene and 4 parts of acetone; 10 parts of isopropanol; 15 parts of tertiary butanol, 20 parts of n-octanol, 20 parts of n-decanol and 10 parts of n-butanol.

The preparation method of the alcohol-based fuel for the vehicle comprises the following steps: sequentially adding absolute ethyl alcohol, acetone, isopropanol, tert-butyl alcohol, xylene, n-octanol, n-decanol, methanol, span, isopropyl ether and n-butanol at normal temperature and normal pressure, and stirring and mixing, wherein the time interval between the addition of two adjacent components is 5min; the stirring speed is 1000r/min; mixing, and standing for 8-12 hr.

Example 3

An alcohol-based fuel for vehicles mainly comprises the following components in parts by weight: 10 parts of methanol and 5 parts of absolute ethyl alcohol; 3 parts of Spanish, 3 parts of isopropyl ether; 5 parts of dimethylbenzene and 2 parts of acetone; 5 parts of isopropanol; 10 parts of tertiary butanol, 10 parts of n-octanol, 5 parts of n-decanol and 5 parts of n-butanol.

Example 4

An alcohol-based fuel for vehicles mainly comprises the following components in parts by weight: 25 parts of methanol and 10 parts of absolute ethyl alcohol; 5 parts of Dis and 7 parts of isopropyl ether; 3 parts of dimethylbenzene and 1.5 parts of acetone; 4 parts of isopropanol; 8 parts of tertiary butanol, 15 parts of n-octanol, 7 parts of n-decanol and 8 parts of n-butanol.

The preparation method of the alcohol-based fuel for the vehicle comprises the following steps: sequentially adding absolute ethyl alcohol, acetone, isopropanol, tert-butyl alcohol, xylene, n-octyl alcohol, n-decyl alcohol, methanol, span, isopropyl ether and n-butyl alcohol at normal temperature and normal pressure, and stirring and mixing, wherein the time interval between the addition of two adjacent components is 5min; the stirring speed is 1000r/min; mixing, and standing for 8-12 hr.

Example 5

The alcohol-based fuel for the vehicle mainly comprises the following components in parts by weight: 15 parts of methanol and 7 parts of absolute ethyl alcohol; 3 parts of Spanish, 7 parts of isopropyl ether; 3 parts of dimethylbenzene and 1.5 parts of acetone; 4 parts of isopropanol; 10 parts of tertiary butanol, 15 parts of n-octanol, 12 parts of n-decanol and 8 parts of n-butanol.

Testing and detecting:

example 5 was selected as a test sample and data tested:

the inspection basis is as follows: GB16663-1996, Q/DDQZY001-2019.

Experimental group 1: comparative test with gasoline

And (4) detecting items: under the static no-load work and dynamic load work conditions of the engine, the gasoline with different proportions is added for the performance aspects of idling and middle-speed starting, power, oil consumption, exhaust, sense and the like.

Testing vehicle information

The data for the various groups and comparative examples are shown in table 1:

TABLE 1

From the table, it can be seen that after the samples are mixed with gasoline according to different proportions, the static idle no-load test, the dynamic medium-speed loaded test and the physical index test are carried out, so that the gasoline is harmless to the environment and human body, stable and excellent in performance, cost-saving, energy-saving and emission-reducing, and is recommended to be widely popularized and applied.

Experimental group 2: the performance of the product is compared and tested with that of the same kind of product

The like products are as follows: the invention, the vehicle and the general family, the green energy

The inspection basis is as follows: GB16663-1996, Q/DDQZY001-2019

Detecting items: the product is applied to the performances of the automobile engine in static no-load working condition and dynamic load working condition, the mixed gasoline of gasoline filling of the automobile and the sample filling in different proportions, starting at idle speed and middle speed, power, oil consumption, exhaust, sense organ and the like.

The results of the tests at static no-load and dynamic medium speed are shown in table 2:

TABLE 2

Other physical indicators are shown in table 3:

TABLE 3

As can be seen from tables 2 and 3, the present invention has absolute advantages in cost saving, stable performance and emissions sensory aspects compared with similar products by comprehensive comparison of static idle speed, dynamic medium speed, physical indexes, etc.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, the specific implementation manners and the application ranges may be changed, and in conclusion, the content of the present specification should not be construed as limiting the invention.

Claims

1. An alcohol-based fuel for vehicles, which is characterized in that: the paint comprises the following components in parts by weight: 5-30 parts of methanol and 3-15 parts of absolute ethyl alcohol; 3-10 parts of Spanish, 2-10 parts of isopropyl ether; 1-6 parts of dimethylbenzene and 0.5-4 parts of acetone; 2-10 parts of isopropanol; 2-15 parts of tertiary butanol, 5-20 parts of n-octanol, 5-20 parts of n-decanol and 2-10 parts of n-butanol;

the preparation method of the alcohol-based fuel for the vehicle comprises the following steps:

sequentially adding absolute ethyl alcohol, acetone, isopropanol, tert-butyl alcohol, xylene, n-octyl alcohol, n-decyl alcohol, methanol, span, isopropyl ether and n-butyl alcohol at normal temperature and pressure, stirring and mixing, and standing for 8-12 h;

the time interval between the addition of two adjacent components is 5-10min;

the stirring speed is 1000-1500r/min.

2. The alcohol-based fuel for vehicles according to claim 1, characterized in that: the paint comprises the following components in parts by weight: 10-25 parts of methanol and 5-10 parts of absolute ethyl alcohol; 3-5 parts of Spanish, 2-7 parts of isopropyl ether; 1-5 parts of dimethylbenzene and 0.5-2 parts of acetone; 2-5 parts of isopropanol; 5-10 parts of tertiary butanol, 10-20 parts of n-octanol, 5-15 parts of n-decanol and 5-8 parts of n-butanol.

3. The alcohol-based fuel for vehicles according to claim 1, wherein: the paint comprises the following components in parts by weight: 15-25 parts of methanol and 7-10 parts of absolute ethyl alcohol; 3-5 parts of Spanish, 5-7 parts of isopropyl ether; 3-5 parts of dimethylbenzene and 0.5-1.5 parts of acetone; 2-4 parts of isopropanol; 8-10 parts of tertiary butanol, 10-15 parts of n-octanol, 7-12 parts of n-decanol and 5-8 parts of n-butanol.