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529/5000 Introduction of mine intelligent local ventilation system

System composition:

The system is composed of FBD series flameproof press-in type local fan of opposed axial flow for mine, y-type air flow inverter, fixed frame, flameproof and essential frequency conversion governor for BPJ series coal mine fan.

Overview of system functions:

The intelligent local ventilation system of mine is a closed-loop control system, whose main function is to determine the amount of air supply through the parameters collected by underground sensors and underground sub-stations, so as to avoid the "one wind blowing" phenomenon of the existing local ventilator, thus solving the problem of local ventilation of mine providing air on demand. Based on the requirement of energy saving, the control system composed of PLC and frequency converter is adopted to control the fan speed in real time, so as to achieve the effect of "real-time early warning, man-machine dual control, wind supply on demand, disaster prevention and reduction", so as to make local ventilation and gas automatic discharge normal, reduce gas accidents, and save energy and power.


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