自焙槽改造为同级中间点式下料预焙槽的技术经济分析

TECHNICAL AND ECONOMIC ANALYSIS OF THE CONVERSION FROM SODERBERG CELLS INTO THE CENTER POINT FEEDING PREBAKED CELLS IN THE SAME CAPACITY

介绍了我国铝工业现状及其与国外的差距,阐述了其主要原因,论述了解决中小型自焙槽铝厂继续生存所面临的环保及节能两大障碍的措施。以工程实例详细进行了不同改造方案的技术经济分析及经济效益预测。

The present situation of china Aluminium industry and the gap between ours and foreigns are introduced. Measures used to solve the environment protection and energy saving the Aluminium with medium and small--sized soderberg cells must face for its survival are discussed. The technical and economic analysis and economic efficiency prediction of different retrofitting method are analyzed with example.