高瓦斯区掘进工作面供电安全性的研究与应用

Study and application of electric power supply safety for gateway driving face in high gassy zone

文章针对后六采区高瓦斯区煤巷、半煤岩巷掘进工作面局部通风机出现的停风事故,介绍了通过应用断电声光信号报警装置、瓦斯监测系统采用可靠的双电源及对供局部通风机的馈电开关进行改造等多种安全有效的措施,提高了供电的可靠性,防止因瓦斯超限而造成的事故,确保矿井的安全生产。

According to no ventilation accidents occurred by the local fans at the driving faces of the seam gateway and the coal and rock gateway in the high gassy zone of the Late 6 Mining Block,the paper introduced the power off sound and flash alarm device,the gas monitoring and measuring system with reliable double power supply,the reconstruction of the feeder switch for the local fan and other safety effective measures applied to improve the reliability of the power supply,to prevent the gas content over the limits which could cause the accident and to ensure the mine safety production.