The thesis takes ED25SH shield hauler as an example,analyses the operating principle of its air control safety circuit and summarizes its characteristics.

Aim at the advantages of tightness storage in basement,the air control store the grain to take the green environmental protection storing grain to maintain freshness technology, has represented this development tendency, we draw upon the professional burning facility to burn the charcoal in a cycle course to approach the target of lowering oxygen compoment in air.

Design of Fluid Drive and Electrical Control System for Bore Modular Machine Tool;

Development of the electrical control systems of RX-300 hot spinning machine;

Design and application of baling press electrical control system;

Design of electric control on teaching and demonstrating system for engagement and disengagement device of offset press;

Signal measurement and processing in electric control of heating furnace;

A performance-based design on smoke control in a large space primary of cigarette processing workshop;

Research on smoke control of single room-cloister-atrium;

The study on smoke control in large atrium of national museum;

The paper expatiates on principle of pneumatic control,option for crust breaker and feeder and calculating consumption of compressed air per pot and pipe diameters.