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A kind of automobile fuel tank gasoline dewatering agent and preparation method thereof

A technology for automobile fuel tanks and gasoline, which is applied in the petroleum industry, liquid carbon-containing fuels, fuels, etc., can solve the problems of inability to meet the multi-functional requirements of gasoline, inability to achieve technical effects, poor emulsification stability, etc., and achieve significant synergy. , the effect of reducing activation energy and low price

Active Publication Date: 2021-05-11
北京雅士科莱恩石油化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above-mentioned patents solve the problem of moisture in automobile fuel tanks by using emulsifiers, the water-removing emulsifiers often have only a single interaction point in the immiscible phases, and the emulsification stability is not good, so it cannot achieve better technical effects; in addition, the role of emulsifier is single, which cannot meet the multi-functional requirements of the actual use of gasoline

Method used

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  • A kind of automobile fuel tank gasoline dewatering agent and preparation method thereof

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Experimental program
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Effect test

Embodiment approach

[0030] According to a preferred embodiment, the solubilizer includes triethylene glycol methyl ether and dimethylformamide.

[0031] Among them, solubilization means that substances that are insoluble or slightly soluble in specific solvents become soluble under the action of surface active compounds (ie solubilizers), so solubilizers can convert poorly water-soluble or water-insoluble substances into transparent , the most milky white aqueous solution, and the chemical structure of these poorly water-soluble or water-insoluble substances has not changed during this process. The mixtures obtained are characterized in that poorly water-soluble or water-insoluble substances are present in colloidally dissolved form in associations of molecules of the surface-active compounds forming aqueous solutions, so-called micelles. The resulting solutions are stable single-phase systems that appear visually clear to opalescent and can be prepared without input of energy. In addition, the ...

Embodiment 1

[0081] First add 53% methanol of 1 / 2 of the total amount and 41.5% ethanol of 1 / 2 of the total amount into the closed kettle according to the negative pressure suction mode, continue to pass nitrogen under the closed environment, and stir for 0.5 hours to obtain a mixed solution. stand-by;

[0082] Add accurately measured 0.4% dimethylformamide and 0.15% triethylene glycol methyl ether into the closed kettle in sequence according to negative pressure suction, continue to blow nitrogen in a closed environment, and stir for 0.5 hours;

[0083] Add the remaining methanol and remaining ethanol into the closed kettle according to negative pressure suction, continue to pass nitrogen under the closed environment, and stir for 0.5 hours;

[0084] Add accurately measured 0.5% benzotriazole and 0.6% high base value calcium petroleum sulfonate into the closed kettle sequentially according to the negative pressure suction method, continue to blow nitrogen in a closed environment, and stir...

Embodiment 2

[0088] First add 1 / 2 of the total amount of 53% methanol and 1 / 2 of the total amount of 41.5% methyl ethyl ketone into the closed kettle according to negative pressure suction, continue to blow nitrogen under the closed environment, and stir for 0.5 hours to obtain a mixed solution ,stand-by;

[0089] Add accurately measured 0.4% dimethylformamide and 0.15% triethylene glycol methyl ether into the closed kettle in sequence according to negative pressure suction, continue to blow nitrogen in a closed environment, and stir for 0.5 hours;

[0090] Add the remaining methanol and the remaining methyl ethyl ketone into the closed kettle according to negative pressure suction, continue to pass nitrogen under the closed environment, and stir for 0.5 hours;

[0091] Add accurately measured 0.5% benzotriazole and 0.6% high base value calcium petroleum sulfonate into the closed kettle sequentially according to the negative pressure suction method, continue to blow nitrogen in a closed en...

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Abstract

The invention relates to a gasoline water remover for automobile fuel tanks and a preparation method thereof, which is characterized in that the method of the invention comprises a solubilizer, an antirust agent, a high-octane additive and a mutual solvent with a weight percentage of 1.5 to 3.5%. According to the way of negative pressure suction, it is successively added into the solvent step by step, and each step is completed in a closed kettle, so as to form the gasoline dewatering agent. The present invention is characterized in that no surfactant is used, but mutual solvent tert-butanol is added in a proportion of 1.5 to 3.5% by weight, and only 0.3% of this product is added to the automobile fuel tank to achieve It can better remove the moisture in the automobile fuel tank and the transmission pipeline and improve the octane number of gasoline, and at the same time, it can protect the metal of the automobile fuel tank and the transmission pipeline from rusting.

Description

technical field [0001] The invention relates to the field of automobile fuel systems, in particular to an automobile fuel tank gasoline water remover and a preparation method thereof. Background technique [0002] With the rapid development of the automobile industry, my country has become the main automobile consumer market and automobile manufacturing base in the world. The power of the car comes from the engine. According to the power provided, there are generally fuel engines, gas engines and electric energy sources. During the process of production, transportation and storage, the fuel used by the fuel engine will inevitably be mixed with a small amount of water due to external factors. One is that fuel oil can dissolve a small amount of water at normal temperature, but when the temperature drops, the solubility of water decreases correspondingly, and the excess dissolved water will accumulate. Since the specific gravity of water is greater than that of oil, the water ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/16C10L1/233C10L1/24C10L1/224C10L1/185
CPCC10L1/14C10L1/1608C10L1/1852C10L1/224C10L1/233C10L1/2437
Inventor 赫常山王宜献蔡得华
Owner 北京雅士科莱恩石油化工有限公司
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