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Experimental investigation on the relationship of oxygen consumption rate of coal and the concentration of oxygen
Author(s): DENG Jun, XU Jingcai, LI Li, XUE Hanling
Pages: 12-
14
Year: 2001
Issue:
2
Journal: JOURNAL OF XIANGTAN MINING INSTITUTE
Keyword: 煤; 氧气浓度; 耗氧速度;
Abstract: 在不同氧气浓度下煤的耗氧速度不同,从而使煤的自燃性产生差异.通过在不同氧气浓度条件下对煤样进行程序升温氧化实验,测定分析煤样在不同温度时的耗氧速度,研究氧气浓度对煤氧化自燃性的影响关系,提出了低氧气浓度条件下,煤样在不同温度时的耗氧可分为扩散耗氧和化学动力耗氧两个阶段.并根据实验数据分析,得出煤的耗氧速度与氧气浓度的1.149次方成正比.图4,表2,参7.
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