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前言近几年以来,在日本使用一种节能的炉壁涂料——碳化硅。这种涂料主要成分是微米级的极细SiC粉,配以特殊的粘结剂成悬浊液浆,将这种液浆刷在我厂锻造加热炉的炉壁上,取得了显著的技术和经济效果。现就碳化硅涂料节能原理及其应用作一介绍。一、碳化硅的特性碳化硅又名金刚砂。碳化硅质耐火材料,是利用纯石英砂(含SiO_2不低于97％)和焦炭末、锯末、食盐等混合,在特殊的电炉内加热到2000—2300℃就可以得到碳化硅:
Preface In recent years, an energy-efficient furnace wall paint, silicon carbide, has been used in Japan. This coating is the main component of micron-grade fine SiC powder, together with a special binder into suspension slurry, the liquid brush in my factory furnace forging furnace wall, made significant technical and Economic effect. Now silicon carbide coating energy saving principle and its application for an introduction. First, the characteristics of silicon carbide Silicon carbide, also known as emery. Carborundum refractory material is the use of pure quartz sand (containing not less than 97% SiO_2) and coke end, sawdust, salt and other mixed, heated to 2000-2300 ℃ in a special electric furnace can be obtained silicon carbide: