论文部分内容阅读
废钢铁是国家的宝贵财富,是钢铁工业生产的重要原料,也是生产小农具、小五金的原材料。充分合理利用废钢铁资源,对节约能源、矿源和投资等有明显的经济效益。当今世界工业发达国家都非常重视废金属的回收利用,称为“二次金属”或“第二矿业”。我国建国以来,国家一直把废钢铁列为统配物资,并早在1954年就批准成立了金属回收管理局,负责全国废金属的回收管理及综合平衡工作。目前全
Scrap iron is a valuable asset for the country, an important raw material for the steel industry and a raw material for small tools and hardware. Making full and rational use of scrap iron resources has obvious economic benefits for energy conservation, mine sources and investment. Industrialized countries in the world today attach great importance to the recycling of scrap metal, known as “secondary metal ” or “second mining ”. Since the founding of our country, the state has always listed scrap steel as a unified material, and as early as 1954, it approved the establishment of the Metal Recycling Authority to take charge of the recovery, management and overall balance of scrap metal in the country. Currently all