Coal industry

Gas extraction
Gas control has always been the focus of coal mine work, water ring vacuum pump (gas pumping pump) is one of the effective means of gas control, by pre-pumping, pumping while digging, pumping while mining, upper corner pumping and other ways. The gas extraction pump is divided into high negative pressure pump and low negative pressure pump. The gas quantity of the coal face and the return air system can be effectively controlled by one open and one standby mode and equipped with three prevention devices, so that it does not exceed the provisions of the "Coal mine safety regulations" and ensure the safe production of the mine.