Chain conveyor will evenly transport the waste oil drums to the crushing knife box of double shaft crusher, alloy steel cutter will pre-crush the oil drums, and then through the hammer crusher to break up the metal and roll it into balls, and at the same time, it can separate the other impurities attached to the iron, and the crushed material will be sent to drum magnetic separator by the conveying belt conveyor to separate the iron and metal and separate the impurities. The whole set of production line is equipped with professional dust reduction system, the recycling process is clean and pollution-free.