Product coal automobile rapid quantitative loading system and method

The invention discloses a product coal automobile rapid quantitative loading system which comprises a clean coal bunker, a coal mixing bunker, double-material-port hopper scales, a lifting belt conveyor, a loading station, a factory-entering automobile scale weighing system and a factory-leaving automobile scale weighing system, and the double-material-port hopper scales are installed at discharging ports in the bottoms of the clean coal bunker and the coal mixing bunker correspondingly. Discharging ports of the two double-material-port hopper scales are connected to a loading station through a lifting belt conveyor, the loading station is used for mixing and loading coal, the in-factory truck scale weighing system is used for measuring the weight of empty vehicles entering a factory after license plate numbers are recognized, and the out-factory truck scale weighing system is used for measuring the weight of coal loading vehicles leaving the factory. The system further comprises a license plate number recogn