Abstract
For studying the effect of crude oil on coal spontaneous combustion tendency, this study collect the coal and the crude oil in rock from the existence of coal and oil symbiosis in Huangling mine no. 410 working surface, and mix the coal sample (YM) with crude oil (SY) at different mass ratio to proceed the programmed temperature oxidation experiment. This study result indicate that oil-bearing coal samples and coal samples are easy causing spontaneous combustion, and the rate of gas production of three kinds of oil samples got the similar effect in the process of low temperature oxidation. Under the same conditions, the higher the oil content, the oxygen consumption rate of coal, the amount of oxidising gas produced, the smaller the exothermic intensity, which Indicated that coal is not easy to cause the spontaneous combustion, that is, crude oil has a blocking effect on the coal spontaneous combustion. [Received: April 4, 2017; Accepted: June 1, 2017]
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