Through transformation good results are gained and the historical highest level of economic and technical indexes is achieved.

通过改造，取得了良好的效果，经济技术指标达到了历史最好水平。

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The paper analyzed the technical and economic results of using smaller prebaked cell and bigger prebaked cell and transformation plan by method analysis of soderberg cell transformation.

通过对自焙槽改造的途径分析，进而重点分析了采用小预焙和采用大预焙改造方案的技术经济效果。

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Therefore, technical transformation was made on the flowsheet and the transformed flowsheet and equipment suit better to the ore properties and has achieved better results.

通过对流程进行技术改造，使流程和设备适应了矿石性质，取得了较好的效果。

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