首先将烘炉加热到375度。
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。
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.
简述蓄热式加热炉结构，提出了改进烘炉方法，从而提高加热炉的使用寿命和性能。
The structure of regenerative soaking pits is related, the method of improving stove is put forward. Meanwhile, the properties and service life of regenerative soaking pits are increased.
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