Abstract
A new type of infrared radiation coating for glass furnace without pollution was studied and prepared, and sprayed the coating onto the inner surface of the siliceous refractory in the melting end of glass furnace. The phase composition and microstructure were characterized by XRD and SEM, and the normal spectral emittance of coatings and thermal data of the glass furnace were measured. The results showed that the main phase of the coating was SiO2, and the coating firmly combined with the siliceous refractory at high temperature. The infrared spectral emissivity of the coating can reach as high as 0.92 at 1600°C. When the melting end of glass furnace was sprayed by infrared radiation coating, resulting in 7.75% energy efficiency.
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