废金属是生产过程中金属材料经过加工、切削而剩下的边角料、切削屑及报废的金属设备等构成的物品。它是工业生产不可缺少的原料,也是国家的重要生产资料。随着我国钢铁产量的不断增加和机械设备更新换代步伐的加快,产生的废金 Scrap metal is the metal material in the production process after processing, cutting the rest of the scrap, scrap and scrapping of metal equipment and other items. It is an indispensable raw material for industrial production and an important means of production for the country. As China’s steel production continues to increase and the upgrading of machinery and equipment to speed up the pace of scrap generated