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Diesel oil mixed fuel

A technology for mixing fuel and diesel, which is applied to fuels, liquid carbon-containing fuels, petroleum industry, etc., can solve the problems of not ensuring long-term stability of ethanol-diesel, increasing the cost of fuel costs, and not being able to solve the ethanol blending ratio. Substitute and environmental benefits of petroleum fuels, ease of deployment, effect of reducing wear and tear

Inactive Publication Date: 2003-09-24
清华大学苏州汽车研究院(吴江) +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Some of the additives in ethanol and diesel disclosed in the above-mentioned patented technologies or documents cannot solve the high ratio of ethanol blending ratio or cannot guarantee the long-term stability of ethanol-diesel; some additives are expensive, thereby increasing the cost of fuel and vehicle costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Using methyl ester (biodiesel) produced by Hainan Zhenghe Bioenergy Co., Ltd., blending 5% ethanol and 5% methyl ester by volume, and then mixing with 90% light diesel oil, the resulting mixed fuel will not be stratified for a long time storage , and compared with the use of pure diesel, the smoke level can be reduced by 30% when the diesel engine is fully loaded.

Embodiment 2

[0016] Be that 10% ethanol and 10% methyl ester (with embodiment 1) are blended by volume ratio, then mix with 80% light diesel oil, the gained mixed fuel is stored for a long time without stratification, and compared with using pure diesel oil, in When the diesel engine is fully loaded, the smoke level can be reduced by 40%.

Embodiment 3

[0018] Be that 30% ethanol and 10% methyl ester (with embodiment 1) are blended by volume ratio, then mix with 60% light diesel oil, the gained mixed fuel is stored for a long time without stratification, and compared with using pure diesel oil, in When the diesel engine is fully loaded, the smoke level can be reduced by 80%.

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PUM

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Abstract

The present invention relates to an ethylalcohol-diesel oil mixed fuel. Said mixed fuel contains (wt%) 5-30% of ethyl alcohol, 60-90% of light diesel oil and 5-10% of methyl ester. Said fuel can be stored for a long period of time, can not be demixed, can be used in diesel engine, and can reduce the smoke degree of diesel engine by 30-80% under the condition of no implementing any regulation, andcan be substituted for petroleum fuel.

Description

technical field [0001] The invention relates to a diesel blended fuel, in particular to an ethanol-diesel blended fuel. Background technique [0002] Diesel engines will emit a lot of black smoke and particles when they are running at medium and high loads, and traditional diesels are difficult to solve these problems. Ethanol is an oxygenated, renewable biofuel. The ethanol fuel produced from biomass will not increase the net release of greenhouse gases in the atmosphere during its energy natural cycle, and can achieve clean combustion and reduce the soot emission of diesel engines; in addition, the use of ethanol can also partially replace petroleum fuels , to ease the tension in energy supply. But the viscosity of ethanol is low, along with the increase of ethanol volume fraction in ethanol-diesel fuel, the viscosity of mixed fuel decreases; and ethanol is a polar molecule, is difficult to miscible with diesel oil, and the stability of ethanol-diesel blended fuel is aff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/04
Inventor 王建昕何邦全帅石金
Owner 清华大学苏州汽车研究院(吴江)
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