making sure the total scheme of the waste heat recovery;in order to development a heat exchanger and Heat pump units of the waste heat recovery which are dedicated to Cool low temperature of coal mine air compressor.With the exhaust waste using the air compressor as the heat source of heat pump and making use of heat pump technique.Design a comprehensive monitoring system and Analysis the economic characteristics;the system provides winter heating and summer air-conditioning for the Coal mine construction,which has a broad application prospect.