导热棒提取松散高温介质内部热量的实验研究

Experimental study on heat extraction of loose high temperature medium with heat conducting rod

为了解决储煤堆、矸石山等场所中发生的煤自燃危害对资源和环境造成的巨大浪费和严重污染,提出了应用导热棒提取松散高温介质内部热量以防治煤自燃的方法,给出了工质优选的方法,搭建了研究导热棒热量提取速率的实验系统,并在此基础上进行了导热棒散热实验。结果表明:应用甲醇作为工质的导热棒,提取高温松散介质内部热量的效率最高,降温速率最快。

In order to solve the spontaneous combustion in the places such as coal storage heaps and gangue dump,which causes huge waste and serious pollution to resources and environment,the method of extracting heat from loose high-temperature medium with heat-conducting rod to prevent spontaneous combustion is proposed.The method of optimizing working medium is given,and an experimental system for studying the heat-extracting rate of heat conducting rod is set up.On this basis,the experiment of heat dissipation of the heat-conducting rod is carried out.The results show that the efficiency and the cooling rate of extracting heat from high temperature loose medium are the highest when methanol is used as the heat-conducting rod.