武汉冶金安全技术研究所于今年三月上旬派出科研人员,到湖北冯家山铜矿和工人、技术人员一起,开展通风防尘研究工作。该矿原来通风防尘情况较差。两个多月来, “三结合”通风防尘试验小组对局部通风系统进行了调整,按规程安装和维护风机,工作面采用混合式通风或抽出式通风, Wuhan Metallurgical Institute of Safety Technology in early March this year, sent scientific research personnel to Hubei Feng Jiashan copper and workers, technical staff to carry out ventilation and dust research. The original mine dust ventilation situation is poor. For more than two months, the “three combined” ventilation and dustproof test team adjusted the local ventilation system, installed and maintained the fans according to the rules, and adopted the mixed ventilation or withdrawing ventilation on the working face,