Briquette coal pellet cooling device and briquette coal production system

A briquette pellet cooling device comprises a cooling tower body and a cyclone dust collector, the cooling tower body comprises a storage bin, a discharge bin and a buffering umbrella, vent holes are densely distributed in the buffer umbrella, a plurality of rectangular through holes are formed in the outer wall of the storage bin, the lower end opening of the storage bin is in butt joint with the upper end opening of the discharge bin, the buffering umbrella is arranged in the storage bin, an air draft hole is further formed in the outer wall of the storage bin, the cyclone dust collector comprises a negative pressure air inducing pipe and a cyclone dust collecting body, one end of the negative pressure air inducing pipe is connected with the air draft hole, the buffering umbrella is arranged in the storage bin, briquette coal pellets firstly fall on the conical top end of the buffering umbrella, and can slowly slide off from the upper surface of the buffering umbrella to reduce the pellet breaking rate of t