This paper introduced the application of cell control box system for aluminium electrotytic process in Qinlongxia Aluminium Works, and effects of energy saving have been obtained.

Based on the plan of steam heating and dispersal heater etc situation, some valuable plan of boiler and heat net have been put forward.

This paper introduced on some common hitches in direct current stabilizer of rectifier plant, causes analyses and treatment methods. This paper can supply the reference for same profession.