This article introduces an automatic system based on ATmega8 SCM embedded in ordinary PC used in boiling furnace drying system, coal and materials can be measurement and control automatic,drying system and the production data sent to the control room of the factory, this system is very simple and cheap and has good control effects.

Introduced the industrial experiment and the production application of rotary ebullition drying furnace in Sci-tech Chemicals Co.

Project of drying system transforming oilburning into coalburningof Guizhou Wengfu 2×600 kt/a DAP plant;

The article indicates the existing problems of the drying system for 1# aluminum hydroxide,puts forward the improvement methods for eliminating the hidden dangers of the important equipments and the processes,which increase productivity capacity of the drying system and reduce the energy consumption.

In order to increase heat efficiency and improve environment,Lubi Company reconstructed the slag drying system,substituting high temperature smoke energy saving turbulen layer roaster for the combustion chamber of single layer coal rotary furnace and improving the inner materials spreading devices of the drier.

Application of fluidized-bed furnace in 100 kt/a S-NPK fertilizer plant;