Recycling utilization patterns of coal mining waste in
Oct 01, 2010#0183;#32;The project not only effectively supplement power supply for coal mine, creating significant economic benefits, but also make full use of waste heat of power generation to supply the mine office and staff conducted a focus on residential heating, heating up an area of 1,000,000 m 2, equivalent to 10 largescale heating boiler room, eliminating the heating boiler soot pollution, annual savings of more