为深井巷道降温提供设计参数是深井高温岩层巷道隔热降温技术研究的主要目的。研究了非隔热层巷道围岩向巷道的热量释放模式,分析了调热圈形成原理、热传递解析方程及参数;然后研究了隔热层巷道围岩向巷道的热量释放模式,分析了调热圈变化原理,并推导出隔热降温效果理论解析式及参数确定;工业性试验对比证实,巷道采用隔热降温技术后,隔热效果达到64%,具有巨大的技术经济效益。
Insulating and cooling technology for high temperature strata roadway in deep mine is studied,and the main purpose of the research is to provide design parameters for cooling of deep mine roadway.The heat emission model from roadway surrounding rocks without insulation layer to roadway is investigated,and the forming principle of heat circle control,the heat transfer analytic equation and parameters are analyzed.Then the heat emission model for roadway surrounding rock with insulation layer to roadway is investigated,and the changing principle of heat circle control is analyzed to determine the insulating and cooling effect theory analytic expression and the corresponding parameters.Through industrial tests,the insulation heat effect can reach 64% by adopting the insulating and cooling technology,which has great technical and economic benefits.