Coal-based synthetic fuel and its application and technical progress in automobile engines

doi:10.3969/j.issn.1674-8484.2021.01.001

Abstract

Abstract:

With the increasing number of automobiles, energy security and low-carbon development have attracted increasing attention at home and abroad. In view of the energy structure of rich coal, poor oil and less gas in China, coal-based synthetic fuel which based on Fischer-Tropsch synthesis process has become an ideal alternative fuel for automobiles due to its good combustion and emission characteristics. The popularization and application of coal-based synthetic fuel in automobile and other power machinery is of great strategic significance and application value for realizing automobile energy diversification, reducing the dependence on foreign oil, realizing efficient and clean utilization of coal resources, and reducing automobile emission pollutants. This paper introduces the development history of coal-based synthetic fuel, the key technologies of coal-based synthetic process and the current production capacity in China. Based on the relevant research results on coal-based synthetic fuel, the spray, mixing, combustion and emission characteristics of coal-based synthetic diesel used as internal combustion engine fuel are expounded. Finally, the existing problems and future development trend of coal-based synthetic fuel market application are summarized and predicted, and reasonable suggestions are put forward for the promotion of coal-based synthetic fuel and its efficient and clean application in internal combustion engines.

Key words: coal-based synthetic fuel, physical and chemical properties, combustion, emissions

CLC Number:

U464.136+.5

SUN Wanchen, JIANG Mengqi. Coal-based synthetic fuel and its application and technical progress in automobile engines[J]. Journal of Automotive Safety and Energy, 2021, 12(1): 1-17.

Figures/Tables 14

References 70

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参数	DDCL	F-T 柴油	国V 柴油	生物柴油
密度(20 ℃) / (kg ·m^-3)	845	757	840	876
含硫质量分数/ 10^-6	22.00	0.29	3.13	< 10.00
运动粘度(30 ℃) / (mm²·s^-1)	2.510	2.029	5.003	4.410
运动粘度(40 ℃) / (mm²·s^-1)	2.059	1.677	—	—
十六烷值	38.1	75.4	52.9	51.0
低热值/ (MJ·kg^-1)	45.50	43.07	42.69	39.25

参数	DDCL	F-T 柴油	国V 柴油	生物柴油
密度(20 ℃) / (kg ·m^-3)	845	757	840	876
含硫质量分数/ 10^-6	22.00	0.29	3.13	< 10.00
运动粘度(30 ℃) / (mm²·s^-1)	2.510	2.029	5.003	4.410
运动粘度(40 ℃) / (mm²·s^-1)	2.059	1.677	—	—
十六烷值	38.1	75.4	52.9	51.0
低热值/ (MJ·kg^-1)	45.50	43.07	42.69	39.25