High-quality blended alcohol-based fuel, preparation method and application thereof

A high-quality, alcohol-mixed technology, applied in fuels, fuel additives, liquid carbon-containing fuels, etc., can solve the problems of increased hourly C emissions, achieve the effects of reducing activation energy of spontaneous combustion, saving fuel, and improving ignition performance

Inactive Publication Date: 2018-12-04
宁波蒙曼生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The results show that blending ethanol can effectively reduce NOx and CO2 emissions, but CO, PM, and hourly C emissions increase

Method used

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  • High-quality blended alcohol-based fuel, preparation method and application thereof
  • High-quality blended alcohol-based fuel, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] The preparation of embodiment 1 high-quality blended alcohol-based fuel

[0054] Raw material composition:

[0055] 10 parts of methanol;

[0056] 20 parts of ethanol;

[0057] 5 parts of dimethyl ether;

[0058] 60 parts of crude oil distillation diesel;

[0059] 10 parts of fatty acid alkyl ester;

[0060] 1 part of compound cetyl improver;

[0061] Tween 0.5 part;

[0062] 1 part lecithin;

[0063] 2 parts of liquid paraffin;

[0064] Octylphenol polyoxyethylene ether OP-101 parts.

[0065] The compound cetyl improver is compounded by weight ratio: 2-methylhexyl carbonate: isooctyl carbonate: n-nonyl phosphate=5:1:0.5.

[0066] Prepare according to the following method: weigh each raw material in proportion, mix crude oil distilled diesel oil, Tween, liquid paraffin and lecithin, heat to 40°C, stir evenly, add dimethyl ether, methanol, fatty acid alkyl ester and ethanol in sequence, Stir at medium speed (200 rpm) for 4 hours, after mixing evenly, continue to ...

Embodiment 2

[0067] The preparation of embodiment 2 high-quality blended alcohol-based fuels

[0068] Raw material composition:

[0069] 30 parts of methanol;

[0070] 30 parts of ethanol;

[0071] 25 parts of dimethyl ether;

[0072] 80 parts of petroleum coking diesel oil;

[0073] 20 parts of fatty acid alkyl ester;

[0074] Compound cetyl improver 5 parts;

[0075] Tween 3.5 parts;

[0076] Lecithin 3 parts;

[0077] 7 parts of microcrystalline paraffin;

[0078] Octylphenol polyoxyethylene ether OP-46 parts.

[0079] The compound cetyl improver is compounded by weight ratio: 2-methylhexyl carbonate: isooctyl carbonate: n-nonyl phosphate = 15:5:2.5.

[0080] Prepare according to the following method: weigh each raw material in proportion, mix petroleum coker diesel oil, Tween, microcrystalline paraffin and lecithin, heat to 50°C, stir evenly, add dimethyl ether, methanol, fatty acid alkyl ester and ethanol in sequence , stirring at a medium speed (300 rpm) for 7 hours, after ...

Embodiment 3

[0081] The preparation of embodiment 3 high-quality blended alcohol-based fuels

[0082] Raw material composition:

[0083] 15 parts of methanol;

[0084] 22 parts of ethanol;

[0085] 15 parts of dimethyl ether;

[0086] 65 parts of hydrocracked diesel oil;

[0087] 12 parts of fatty acid alkyl ester;

[0088] 2 parts of compound cetyl improver;

[0089] 1 part Tween;

[0090] Lecithin 1.5 parts;

[0091] 4004 parts of polyethylene glycol;

[0092] Fatty alcohol polyoxyethylene ether AEO-52 parts.

[0093] The compound cetyl improver is compounded by weight ratio: 2-methylhexyl carbonate: isooctyl carbonate: n-nonyl phosphate = 7:2:1.

[0094] Prepare according to the following method: Weigh each raw material in proportion, mix hydrocracked diesel oil, Tween, polyethylene glycol 400 and lecithin, heat to 45°C, stir well, add dimethyl ether, methanol, fatty acid alkyl in sequence Ester and ethanol, stir at medium speed (250 rpm) for 5 hours, after mixing evenly, cont...

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Abstract

The invention provides a high-quality blended alcohol-based fuel, which is prepared from the following raw materials by weight: 10-30 parts of methanol; 20-30 parts of ethanol; 5-25 parts of dimethylether; 60-80 parts of diesel oil; 10-20 parts of fatty acid alkyl ester; 1-5 parts of a compound hexadecyl modifier; 0.5-3.5 parts of Tween; 1-3 parts of lecithin; 2-7 parts of a dispersant; and 1-6 parts of a stabilizer. The compound hexadecyl modifier is formed by mixing of 2-methyl hexyl carbonate, isooctyl carbonate and n-nonyl phosphate in proportion. According to the invention, methanol, ethanol, dimethyl ether and fatty acid alkyl ester are blended into diesel oil, the NOx, CO, PM and HC emissions of the blended diesel oil are greatly reduced, and the dynamic properties are not affectedat the same time, and the blended diesel oil can be used normally in locomotives. The high-quality blended alcohol-based fuel prepared according to the invention has the characteristics of high cetane number, good antiknock performance, safer use, fuel saving and better performance.

Description

technical field [0001] The invention relates to the technical field of liquid fuels, in particular to a high-quality blended alcohol-based fuel. Background technique [0002] Oxygenated fuels can partially replace diesel and reduce combustion emissions. Oxygenated fuels that are currently being studied include methanol, ethanol, dimethyl ether and biodiesel. For example, ethanol contains 34.8% oxygen, and the air theoretically required for combustion is close to half of that of diesel. The blending of diesel with ethanol can reduce the problem of excessively rich mixture in the combustion process, improve combustion, and reduce the soot emission of diesel engines. [0003] The sales of low-proportion alcohol-containing fuels in my country's oil market continue to expand, and high-proportion alcohol-containing fuels have entered the experimental promotion stage. Currently alcohol-containing fuels are blended with national standard gasoline with a distillation range of 30°C ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/02C10L1/10C10L1/16C10L1/185C10L1/188C10L1/19C10L1/198C10L1/224C10L10/12
CPCC10L1/02C10L1/10C10L1/1691C10L1/1852C10L1/188C10L1/19C10L1/1985C10L1/224C10L10/12
Inventor 徐坤
Owner 宁波蒙曼生物科技有限公司
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