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    《Light Metals》 2020-06
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    Analysis of the operation problems of α-alumina rotary kiln and improvement measures

    Guo Xiaosan;Aluminum Corporation of China Limited Zhongzhou Aluminum Co., Ltd.;  
    One α-alumina rotary kiln was grafted on the original calciner in an alumina refinery, as a new attempt of alumina calcination process in series. Due to the initial use of the calciner and kiln series process in α-alumina calcination, there were many problems, and the service cycle was no more than one month,affecting the normal production. In this paper, based on the current situation of the use of alpha-alumina rotary kiln, the causes affecting the operating problems were analyzed, and effective improvement measures were made to solve the problems, so that the operation cycle of rotary kiln could reach 88 days at the longest, and the production cost was greatly reduced.
    【CateGory Index】: TQ133.1;TQ172.622
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