Common monitoring factors for automatic safety monitoring of pulverized coal bunker include tilt monitoring of pulverized coal bunker, settlement monitoring of pulverized coal bunker, temperature and humidity monitoring of pulverized coal bunker, vibration monitoring of pulverized coal bunker, oxygen content monitoring of pulverized coal bunker and combustible gas monitoring. Coal bunker safety monitoring commonly used monitoring instruments: dip meter, static level, vibration meter, oxygen detector, combustible gas sensor.