PROCESS FOR PRODUCING LINING STRUCTURE OF VESSEL FOR MOLTEN METAL AND LINING STRUCTURE OF VESSEL FOR MOLTEN METAL

摘要

Provided are a lining structure of a molten metal container and a method of lining the molten metal container that can be realized at lower cost than conventional ones while maintaining the refractory performance. The lining structure of the molten metal container according to the present invention comprises a heat insulating material having a heat transfer coefficient of 100 W / m 2 K or less formed between the iron foil and the permanent lining refractory. The inner lining refractory comprises 60% by mass or more of alumina, Or more of the magnesia is ferricle or fired dolomite and the fluorine refractory or irregular refractory having a residual expansion coefficient of 0.8% or more after the heat treatment at 1500 DEG C for 3 hours is applied to the molten metal container It is a refractory made by spinelization of alumina and magnesia.