Valuable material recovery method

A method for recovering a valuable object, comprising: a heat treatment step for heat-treating an object containing the valuable object by means of a flame blocking means for blocking the flame so that the flame does not come into contact with an object housing means in which the object is housed; and a valuable substance recovery step for recovering the valuable substance from the heat-treated object of the object obtained by the heat treatment step. 一种有价物的回收方法，其包括：热处理工序，以用于对含有有价物的对象物进行热处理的火焰不会与容纳有前述对象物的对象物容纳单元接触的方式借由阻断前述火焰的火焰阻断单元对前述对象物进行热处理；和有价物回收工序，从通过前述热处理工序得到的前述对象物的热处理物回收前述有价物。