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笔者用两段焙烧理论阐明了氧化铝焙烧沿用的回转窑改造的必要性,并提出了改造的设想,以实现回转窑焙烧出砂状氧化铝的目的,适应铝电解技术发展的需要。
The author uses two stages of roasting theory to clarify the necessity of revamping the rotary kiln used in alumina roasting and puts forward the idea of revamping so as to achieve the purpose of roasting alumina in rotary kiln and to meet the needs of the development of aluminum electrolysis technology.