Advanced disc slag cooler 1, 4-8 layers, 2.5m to 2.8m 2, No gears, planetary reducer,advanced 3, Factory, good quality/price Product Name: The fourth generation disc slag cooler1, No gears, planetary reducer controls the machine, smooth operation, increased efficiency, big torque, long life.2, Hot slag and water can be reused, effectively save energy, reduce costs;3, No clogging, no pause, no ...