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Analyzing on Surroundings and Characteristics of Coal Self-Ignition in Goal in a Fully Mechanized Top-Coal Caving Face
Author(s): 
Pages: 12-15
Year: Issue:  8
Journal: SAFETY IN COAL MINES

Keyword:  采空区自然发火浮煤厚度漏风强度;
Abstract: 根据综采放顶煤开采技术的开采特点及现场调查和观测,总结出综采放顶煤工作面采空区自然发火的主要特点.在分析综放开采条件下采空区煤体所处环境的基础上,通过对采空区浮煤厚度、松散煤体空隙率、采空区漏风强度、工作面推进速度、采空区围岩原始温度等关键因素的分析研究,指出采空区遗煤所处环境的变化将会引起浮煤自燃过程的动态变化.
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