APPLICATIONS OF NEW STRUCTURE REDUCTION CELL TECHNOLOGY IN CHALCO’S SMELTERS

摘要

A new generation of key energy saving technology for aluminumreduction has been implemented by Chalco. A new structurealuminum reduction cell technology has been successfullydeveloped by Chalco and is now widely applied in several ofChalco’s smelters. This new structure includes key technologiessuch as the new specially designed cathode installation, a heatpreservation lining and a low voltage operation control system.The molten metal fluctuation that is driven by the great magneticfield is greatly restrained in the cells, based on reducing the anodeto cathode distance (ACD) without any loss of current efficiency.This realizes a lower energy consumption and less GHGemissions. The industrial tests and applications of this technologyhave been carried out successfully in the various scale aluminumreduction cells in Chalco’s smelters and about 12000 kWh of DCconsumption per ton of aluminum and 3.70-3.75 V of cell voltagehave been achieved.