Automatic coal blending system for bunker bay of coal conveying system

The utility model provides an automatic coal blending system for a bunker bay of a coal conveying system, which comprises an unloading unit positioning module, the unloading unit positioning module comprises an RFID card reader and RFID electronic tag cards, an unloading unit walks on a track, the RFID electronic tag cards are installed on the track at equal intervals, the RFID card reader is installed on the unloading unit, and the RFID card reader is installed on the unloading unit. The non-contact bidirectional data communication is carried out in a wireless radio frequency mode, the RFID card reader installed on the unloading trolley determines the current position according to the ID of the RFID electronic tag card, and the silo inner material level detection module comprises a radar material level meter and a radio frequency admittance material level meter. The discharging unit can be accurately controlled, the coal blending and feeding process of the bunker bay can be automatically controlled, the disc