The life campaign of the furnace top lining will be lasted by using mullite cast refractory with high strength and alumina and carrying out construction carefully and drying correctly.
阐述了加热炉炉顶耐火材料烧损机理，通过选择高强高铝莫来石浇注料作为炉衬，精心组织施工，科学烘炉达到了延长炉顶使用寿命的目的。
This spray lining, simple in engineering and construction, was specially applicable for the revamp of the existing furnace.
喷涂衬里适用于旧炉衬改造，可简化设计和施工。
The furnace top inner lining construction is important character of hot air furnace type. Because it decides furnace lining lifetime.
炉顶内衬结构是热风炉类型的重要特征，决定着热风炉炉型和炉衬寿命的长短。
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