Electrical network flashing will threaten the safe operation of flue gas expander-main blower set in FCC unit.

The remote mechanical malfunction Diagnosis system of the reheat furnace fax units bases on the multiply layers structure Client/Server which based on the web technology.

The application of VB in main-fan's function parameter monitoring and communication system is introduced,especially described the function and the design process by VB.

The KJZ-2 on-line monitoring system for main-fan in coal mine are introduced.

The paper introduced a application of VB in main-fan s function parameter monitoring and communication system, especially described the function and the design process by VB.

In view of the problems occurred in the daily electric maintenance of main fans introduced from France and by analyzing the reasons,the improved and preventive measures are carried out,thus effectively guaranteeing safety running of main fans.

This paper introduces the functions of the excitation device in the normal operation of the main fan,and connecting with the actual situation,makes the technical analysis on the faults often occurring in the excitation devices.

To analyze the effect on the others after adjusting the performance of a certain fan when multiple-set main fan unitedly work at the same time,point out the performance changing rules.

Mine main fan working-condition range and its adjustment method;

Application of controllable silicon series velocity modulation on main fan of coal mine;

Technical performance measurement of main fan;