A kind of heating furnace roll thermal insulation layer, belong to the refractory insulation technology, selection of domestic refractory fiber products, high temperature glue or adhesive coating, heat resistant alloy (steel) instead of foreign materials, is introduced to solve by the presence of thermal insulation layer of thin slab continuous casting and rolling process equipment of big capacity, high thermal conductivity and thermal insulation performance is poor, large power consumption, high load bearing and motor is shorter, and overall spalling caused by crack of adiabatic layer surface defects caused by the furnace roller life is short, the problem of high cost.Triple reinforcement method is used to process innovation and soft outside just inside the structure, make it not only has high thermal shock resistance and good thermal insulation performance, but also can resist oxidation iron and gas flow.Soft outside just within the structure of heating furnace roll thermal insulation coating has good thermal shock resistance, light density, good insulation, low energy consumption and power consumption, long service life, etc.
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