皖北矿务局毛郢孜煤矿井下输送机过去采用的防尘手段是将洒水管路安装到输送机巷道，在防尘点安装洒水喷头和普通闸阀。在需要灭尘时，拧开手动闸阀便可喷雾洒水灭尘。若输送机停止运转，则必须手动关闭闸阀，实际使用很不方便，常常因忘关闸阀，造成巷道积水。为此，该矿... Wanbei Mining Bureau Mao 郢 Zi coal mine conveyor used in the past is the dust-proof means the sprinkler pipe installed to the conveyor laneway, in the dust-proof installation of sprinklers and ordinary gate valve. When you need to dust, unscrew the manual valve can sprinkler dust. If the conveyor stops running, you must manually close the gate valve, the actual use is very inconvenient, often due to forget the gate valve, resulting in roadway water. To this end, the mine ...