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一、前言高温节能涂料是近年来国际上出现的一种新型节能材料,它比一般的远红外涂料具有更高的使用温度和使用价格。施工方便,可以用手刷或喷涂的办法直接涂复在工业炉窑的炉衬内表面,起到节约燃料和保护炉衬的双重作用,从而提高炉子作业率和延长炉衬的使用寿命。其主要原理是涂刷在炉衬内表面的一层高温辐射涂料提高了炉壁内表面的黑度,在1000℃以上的高温作用下增强了炉膛内部的辐射传热,使被加热物件得到的热流有所增加,从而节约了燃料,提高了炉子热效率。二、高温辐射涂料的节能理论根据在高温火焰炉炉膛中,进行着十分复杂的传热过程,其中炉气介质的辐射为主要传
I. INTRODUCTION High-temperature energy-saving coating is a new type of energy-saving material appearing in the world in recent years. It has higher service temperature and use price than common far-infrared coating. The construction is convenient and can be applied directly to the inner surface of the lining of the industrial furnace by hand brushing or spraying, which plays the dual role of saving fuel and protecting the lining, thereby improving the operation rate of the furnace and prolonging the service life of the lining. The main principle is that a layer of high-temperature radiation paint applied on the inner surface of the lining increases the blackness of the inner surface of the furnace wall, and enhances the radiative heat transfer inside the furnace under the action of a temperature higher than 1000 DEG C so that the heat flux obtained from the heated object Has increased, thus saving fuel and raising the thermal efficiency of the furnace. Second, high-temperature radiation coating energy-saving theory According to the furnace in the high-temperature flame furnace, a very complicated heat transfer process, in which the furnace gas radiation as the main transmission