摘要
为了有效预测预防复采工作面煤自燃事故,通过煤自燃程序升温实验台,对煤体进行了预氧化、绝氧降温处理后进行二次氧化程序升温,研究发现二次氧化过程中CO生成率、耗氧速率和最大放热强度较初次氧化时均有所升高,CO2生成率大幅降低,对复采工作面煤自燃监测预报有一定指导意义。
In order to effectively fi）recast and prevent coal spontaneous combustion aeeident in second mining f＇ace, il used temperature programming experiment tabte of coal spontaneous com｜mstion to can＇y out secondary oxidation temperature programming after pre -oxi- dized and anaerobic cooling treatment for coal body. The study showed that the CO production rate, oxygen eonsumptinn rate and maxi- mum heat intensity in secondary oxidation were higher than those in the initial oxidation, and CO2 production rate significantly reduced, which had ceflain guiding significance for monitoring and forecasting coal spontaneous combustion in second mining fiaee.
出处
《煤矿安全》
CAS
北大核心
2013年第9期38-40,共3页
Safety in Coal Mines
基金
2010年度教育部新世纪优秀人才支持计划(NCET-10-0932)
陕西省教育厅专项资助项目(12JK0784)
973计划前期研究资助项目(2011CB411902)
关键词
复采工作面
绝氧降温
二次氧化
气体特征
second mining face
anaerobic cooling
secondary oxidation
gas characteristics
