Experimental Study on Minimum Ignition Temperature of Bituminous Coal Dust Cloud
DENG Jun
QU Jiao
WANG Qiuhong
XIE Changchun
Abstract：In this PaPer,study and measurement were carried out on the minimum ignition temPerature of three kinds of bituminous coal dust clouds by using the Godbert-Greenwald heating furnace,including the non-caking coal taken from Dafusi Mine in Binxian County,the gas coal from Kouzi East Mine in Anhui Province and the lean coal from 301 working face of Tianchi Mine in Shanxi Province. It was found out from the exPerimental results that the ash content of the gas coal,non-caking coal and lean coal increased in turn,their volatile content reduced in turn,their fixed carbon content increased in turn,and the water content of the lean coal,gas coal and non-caking coal increased in turn;the minimum ignition temPerature of the three kinds of bituminous coal dust clouds decreased with the reduction of their Particle sizes;based on their minimum ignition temPeratures,it was found out that the hardest ignited coal dust was the lean coal and the easiest ignited coal dust was gas coal. This study can Provide an exPerimental basic for the safe Production in coal mines.
Keywords：lean coalnon-caking coalgas coalcoal dust cloudminimum ignition temPerature
Publication Date：2014-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 13-15,18 )