Influence of coal slurry particle composition on pipeline hydraulic transportation behavior

被引：3
|
作者：
Zhao Li-an [1 ]
Cai Ronghuan [1 ]
Wang Tieli [2 ]
机构：
[1] Liaoning Tech Univ, Min Inst, Dept Min Engn, Fuxin 123000, Peoples R China
[2] Wuhan Design & Res Inst China Coal Technol & Engn, Dept Pipeline Coal Transporting, Wuhan 430064, Hubei, Peoples R China
来源：
3RD INTERNATIONAL CONFERENCE ON ADVANCES IN ENERGY RESOURCES AND ENVIRONMENT ENGINEERING | 2018年 / 113卷
关键词：
D O I：
10.1088/1755-1315/113/1/012163
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Acting as a new type of energy transportation mode, the coal pipeline hydraulic transmission can reduce the energy transportation cost and the fly ash pollution of the conventional coal transportation. In this study, the effect of average velocity, particle size and pumping time on particle composition of coal particles during hydraulic conveying was investigated by ring tube test. Meanwhile, the effects of particle composition change on slurry viscosity, transmission resistance and critical sedimentation velocity were studied based on the experimental data. The experimental and theoretical analysis indicate that the alter of slurry particle composition can lead to the change of viscosity, resistance and critical velocity of slurry. Moreover, based on the previous studies, the critical velocity calculation model of coal slurry is proposed.
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页数：7
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