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CO2/N2作输送载气对煤粉高压密相气力输送特性的影响

, PP. 38-44

Keywords: 煤粉,输送载气,密相气力输送,高压,输送特性,CO2/N2

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Abstract:

该文在自主研发的密相气力输送实验装置上,分别以CO2和N2作输送载气,进行了兖州烟煤的输送实验,对两种输送载气下输送特性的异同进行比较分析,研究了操作参数和输送载气对输送特性的影响。研究结果表明,输送载气不同时,操作参数对输送特性的影响有相似规律,载气差异导致输送特性的差别也比较明显。两种载气下,煤粉质量流量都随总输送压差的增大而增大,随补充风流量的增大而减小;滑移速度都随总输送压差的增加而增大,随补充风流量

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