耐火喷补料由具有一定颗粒级配的耐火材料、化学结合剂和外加剂组成的，用喷射施工方法对热工设备内衬进行修补时使用的不定形耐火材料。
耐火喷补料按施工方法分湿法(泥浆法)喷补料、半干法(喷嘴混合式)喷补料和火焰法(熔射法)喷补料；按喷补料主材质可分为氧化镁质、镁钙质、镁铬质、镁碳质、硅酸铝质和氧化铝一碳化硅一碳质喷补料等；按使用条件分为转炉用喷补料、电炉用喷补料、盛钢桶用喷补料、真空脱气炉(RH、DH)用喷补料、岀铁沟用喷补料和髙炉内衬用喷补料等。
Gunning material is composed of refractory material with certain particle size distribution, chemical bond and additive. It is an amorphous refractory material used in repairing the lining of thermal equipment by spraying construction method.
According to the construction method, the fire-resistant gunning materials are divided into wet gunning materials (slurry method), semi dry gunning materials (nozzle mixing type) and flame gunning materials (fusing method); According to the main materials, gunning materials can be divided into magnesia, magnesia calcium, magnesia chromium, magnesia carbon, aluminosilicate and alumina silicon carbide carbon gunning materials; According to the service conditions, it can be divided into gunning materials for converter, electric furnace, steel barrel, vacuum degassing furnace (RH, DH), iron discharge ditch and high furnace lining.
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