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硫化矿自燃是一个以氧化放热为主、自发产生热量及热量积蓄引起硫化矿堆升温的非常复杂的物理化学过程。温度是描述硫矿堆自燃的一个重要物理量,它能反映采场硫化矿氧化自燃的程度及其散热条件的优劣。分析了国内一些矿山硫化矿自燃的原因,用实验验证了矿堆堆积密度、矿堆含水率、环境风速、矿石块度等对堆积硫化矿散热的影响,提出了几点预防硫化矿自燃的措施,为矿山实际生产提供指导和帮助。
Spontaneous combustion of sulphide ore is a very complex physico-chemical process that mainly takes the form of oxidation and exothermicity, generates spontaneously the heat and the heat accumulation, and causes the temperature of the sulphide ore pile to rise. Temperature is an important physical parameter to describe spontaneous combustion of sulfur mines. It can reflect the degree of spontaneous oxidation and the cooling conditions of sulfide ore in stope. The causes of spontaneous combustion of sulfide ores in some mines in China are analyzed. The effects of stack heap density, moisture content of ore mines, ambient wind speed and ore mass on the heat dissipation of sulfide ores in mined ore are verified by experiments, and some measures to prevent spontaneous combustion of sulfide ores , For the actual production of mines to provide guidance and help.