Low carbon methanol gasoline composite additive and preparation method thereof

A compound additive, methanol gasoline technology, applied in fuel additives, petroleum industry, liquid carbon-containing fuel, etc., can solve problems such as power decline, methanol gasoline cannot achieve normal use effect, and is difficult to start, so as to improve power and promote combustion Improvement of speed and thermal efficiency, good temperature adaptability

Inactive Publication Date: 2012-12-12
GUIZHOU LONGHE ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the methanol gasoline additives used in China are added alone, which can only make methanol and gasoline mix, and fail to make methanol and gasoline really blend, which will cause poor power and difficult to start in winter. When the proportion of methanol is relatively high, the methanol gasoline prepared cannot achieve the normal use effect at all.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1. According to parts by weight, first take a mixture of 3.0 parts of acetone and 1.0 parts of methyl ethyl ketone, and 3.0 parts of methyl tert-butyl ether, add them to the reaction kettle and stir for 5 minutes, and the temperature is controlled at 30 ° C; then add 1.0 parts of isobutylamine and N, N A mixture of 1.0 parts of '-disalicylidene-1,2-propanediamine, stirred for 5 minutes; finally, 1.0 parts of 2,6-di-tert-butyl-p-cresol was added, stirred for 3 minutes, and the low Carbon methanol gasoline compound additive finished product.

[0020] In order to verify the effect of the present invention, the applicant has carried out a performance testing experiment on the methanol gasoline sample (hereinafter referred to as this product) prepared by the present invention:

[0021] Preparation of methanol gasoline samples: Take 3 kg of the low-carbon methanol gasoline composite additive of the present invention, blend it with 97 kg of industrial refined methanol...

Embodiment 2

[0028] Example 2. First take 1.0 parts of n-butanol, and a mixture of 1.0 parts of petroleum ether and 1.0 parts of isopropyl ether in parts by weight, add it to the reaction kettle and stir for 5 minutes, the temperature is controlled at 20 ° C; then add N, N'-disalicylidene 0.5 parts of -1,2-ethylenediamine, stirred for 5 minutes; finally added 0.5 parts of xylenol, stirred for 3 minutes, and passed the inspection to obtain the finished product of low-carbon methanol gasoline composite additive.

Embodiment 3

[0029] Example 3. Take 5.0 parts of isopropanol and 3.0 parts of methyl tert-butyl ether in parts by weight, add them to the reaction kettle and stir for 5 minutes, the temperature is controlled at 50°C; then add 0.5 parts of N,N'-disalicylidene-1 , a mixture of 2-propylenediamine and 1.0 parts of triacetin and 0.5 parts of isobutylamine, stirred for 5 minutes; finally added 0.5 parts of xylenol and 0.5 parts of 2,6-di-tert-butyl-p-cresol The mixture is stirred for 3 minutes, and the finished product of low-carbon methanol gasoline composite additive is obtained after passing the inspection.

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PUM

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Abstract

The present invention discloses a low carbon methanol gasoline composite additive and a preparation method thereof. The low carbon methanol gasoline composite additive is prepared ??from the following raw materials, by weight, 1.0-5.0 parts of an auxiliary solvent, 2.0-3.0 parts of a heat value increase agent, 0.5-2.0 parts of an anti-corrosion agent, and 0.5-1.0 part of an antioxidant. According to the present invention, a blending method is simple, methanol and gasoline can be really and uniformly mixed and dissolved to form a true solution, and good use effects can be achieved, such that the blended methanol gasoline has excellent performances, wherein the good use effects comprise that power does not drop, and start is easily achieved in winter.

Description

[0001] technical field [0002] The invention relates to an ignition engine fuel additive and a preparation method thereof, in particular to a low-carbon methanol gasoline composite additive and a preparation method thereof, belonging to the technical field of fuel chemical industry. Background technique [0003] Methanol gasoline refers to a certain volume fraction of fuel methanol mixed with a certain volume fraction of vehicle component gasoline, mixed and formulated through strict scientific processes to replace national standard gasoline, and used as fuel for ignition engines. Since methanol and gasoline are two substances with different molecular structures and physical properties, the compatibility between the two is poor, and a certain amount of other substances need to be added to make methanol and gasoline completely miscible and achieve liquid homogeneity. The medium that can make two or more different substances miscible is the additive. At present, most of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/185C10L1/182C10L1/183C10L1/19C10L1/16C10L1/30C10L1/222C10L10/00
Inventor 杨戈坪杨昆杨晨博裴卫华
Owner GUIZHOU LONGHE ENERGY
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