神华煤船运防自燃试验研究

Experimental research of spontaneous combustion prevention of Shenhua coal shipping

通过监测模拟条件下O_2、CO_2、CO的含量变化及对船运煤炭的自燃分析,结合生产实践对神华高温煤、陈煤、淋雨煤进行防自燃试验研究。试验研究表明:燃油舱、轮机舱对其相邻的货舱中的煤炭加热可明显提高其缓慢氧化反应速度,即与燃油舱、轮机舱相邻的货舱是船运煤炭自燃防范的重点;应尽量避免高温煤和陈煤装船,雨后煤堆易自燃的内因为高温点的存在;船舱密闭是防止船运煤自燃较为理想的方法。

Through monitoring the O2, CO2 and CO content changes under simulated conditions and the spontaneous combustion analysis on coal shipping, and combining with practical production, the spontaneous combustion prevention research were done for high temperature coal, old coal and raining-wet coal of Shenhua, it was shown that： fuel cabin and engine cabin which could heat the coal in neighbor cabins would improve the slow oxidation rate, so the cabins which were near the fuel cabin and engine cabin should be the emphasis of spontaneous combustion prevention; the high temperature coal and old coal shipping was better to be forbidden, after rain, the existing of high temperature point could lead to spontaneous combustion; making the cabin hermetic was the ideal method to prevent the spontaneous combustion of shipping coal.