Based on the calculation of the energy required for the pyrolysis and dryness of biomass,the selection of a suitable biogas processing and supplying unit as an energy source for drying biomass and heating up heat carrier in the process of producing bio-oil is of great practical and economic value in reducing energy consumption and production cost in large-scale production of bio-oil.

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;

Application of pneumatic control on the drive of cork paper supply in YJ29 plug assembler;

Application of BP Neural Network PID Controller in Pneumatic Control of Lubricating Oil Pressure;

In this paper,the carousel storage with spindle direct tool changer of vertical machining center TH7130 is introduced with its structure and working principle,the working process of automatic tool changer and the design of the principle of pneumatic control and electric control.