A new secondary unloading technology was designed based on analysis of factors affecting unloading efficiency of horizontal pan filter through dynamic monitoring and analysis of production data.

The application of vertical disk filter in the removal of salt;

It analyses causes for affecting efficiency of vertical disk filter, approaches road to its improvement and proposes measures for the improvement.

This paper analyses the factors that affect the production capacity of plate filter according to the operation of Zhongzhou Aluminum Plant and proposes a method for raising its production capacity.

To counter the existing problems in the drive system of GPL-240A disk filter of CHALCO Shanxi Branch, the direct-teeth gear drive system was designed and manufactured instead of worm and worm-gear drive system, which has increased the life and the operation cycle and met the requirement of alumina production.