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Additive of engine fuel

A technology of fuel additives and additives, which is applied in the field of additives to improve the combustion rate of engine fuels. It can solve the problems of frequent replacement, high cost, and increased secondary pollution, and achieve the effect of uniform arrangement of fuel molecules and improved combustion efficiency.

Inactive Publication Date: 2004-02-11
天津开发区文士实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because these additives contain some metals and aromatics, although they can improve the combustion value of fuel, the pollutants emitted after combustion will increase secondary pollution. Even if some auxiliary parts are often replaced, they are not accepted due to high cost and frequent replacement. market recognition

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0019] This example is the preparation of gasoline additives, the specific preparation process:

[0020] (1) Preparation of mixed monoglycerides: Add 30kg of glycerin and 1kg of sodium methylate catalyst to 100kg of refined palm oil, react at 210°C for 2 hours, then add 1.5kg of phosphoric acid, mix and stir for 30 minutes, cool to 75°C, Filter and separate to obtain 83kg of mixed monoglycerides, and the filter residue is sent to make phosphate fertilizer;

[0021] (2) Crystallization by cooling: Melt the mixed monoglycerides obtained in step (1) at 50°C and then cool them in three sections (three crystallization towers). The cooling temperatures are 30°C, 15°C, and 5°C respectively. The cooling rates of the first and second stages are respectively controlled at 1.5°C / hour and 0.4°C / hour. In the third stage, the crystal is grown at a constant temperature for 8 hours. After filtration, 58kg of liquid product with a cloud point of 7-8°C is obtained, and the remaining solid fat c...

example 2

[0024] This example is the preparation of diesel additives. Preparation process: the first and second steps are the same as Example 1, and the third step molecular distillation is molecular distillation twice at 0.7pa and 280-320°C. Under the same raw material amount as Example 1, 19.2kg of diesel oil additives are obtained. Its physical and chemical properties are listed in Table 1.

example 3

[0026] This example is an application example of the additive of Example 1.

[0027] Test condition: add the example 1 additive of 0.2% (body) in 90# unleaded gasoline, carry out driving test, test adopts four-stroke single-cylinder gasoline engine, and compare with 90# gasoline without additive, the results are shown in Table 2. After testing, the fuel consumption is reduced by an average of 8.6%, and the speed (idle speed) efficiency is increased by 10%.

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PUM

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Abstract

A fuel additive of engine is prepared from refined plant oil through extracting mixed monoglyceride, three-segment cooling crystallization and molecular distillation. It can be added to gasoline or diesel oil to increase combustion efficiency to 98% or higher, and decrease such harmful substances in tail gas as CO by 27-60%, HC compound by 15-30 and harmful particles by 25-80%.

Description

technical field [0001] The invention relates to petroleum product additive technology, more specifically, an additive for improving engine fuel combustion rate. Background technique [0002] In order to meet the requirements of engine conditions and environmental protection, some physical and chemical properties of the engine fuel itself must be improved, and the method of adding additives to the fuel is one of the economical and effective means. There are many types of fuel additives on the market, such as adding antioxidants and metal deactivators to improve the storage stability of gasoline; adding diesel flow improvers to improve the fluidity of diesel oil and so on. In addition, there is an additive for improving fuel combustion value, such as American JG, BG and other brand products. These additives are mainly used to increase power and supplemented by fuel-saving effects. Because these additives contain some metals and aromatics, although they can improve the combust...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/00
Inventor 冀微微周彤樊晓伟
Owner 天津开发区文士实业有限公司