ANALYSIS ON HEAT SOURCE IN THE DEEP SHAFT IN METAL MINES AND UNDERGROUND MINE VENTILATION

With the increase of the depth in metal mine,the problem of the high temperature heat-harm becomes more and more serious underground mine.The main factors to induce the change of temperature are heat sources under the shaft.The article analyses the heat sources and heat-harm underground metal mine,introduces the calculation ways of the quantity of heat.The measures to use ventilation technique to gover heat-harm underground mine.are taked.