When the wind temperature is lower than 900 degree , the general selection of clay bricks; wind temperature of 900?1000 degree , high-temperature parts of the furnace lining of the refractory bricks are mainly high aluminum refractory bricks, mullite refractory bricks or silica refractory bricks; wind temperature is higher than 1100 degree , the general selection of high alumina refractory bricks, mullite refractory bricks and silica bricks for the lining of the furnace or lattice bricks. When the wind temperature is increased to 1200 degree or more, high alumina refractory bricks can not meet the requirements of the hot air furnace roof and partition walls and the upper part of the heat storage room need to use silicon bricks. Because of the small heat capacity of silicon bricks, therefore, in the silicon brick layer below the lattice brick application of low creep high alumina refractory bricks.

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