论文部分内容阅读
随着工业的发展,金属材料的需求量越来越大,为此各个工矿企业为了提高经济效益,降低成本,也越来越注意对金属原材料的合理综合利用。因此,可回收利用的重料、大料少了,但轻度尤其是金属加工后产生的“工业圾垃”——刨花、铁屑都日益增多。前些年,一些公司走回头路:将这些废屑去炼再生铁。当然这条路走得不对,无论是资
With the development of industry, the demand for metal materials is getting larger and larger. Therefore, various industrial and mining enterprises pay more and more attention to the reasonable comprehensive utilization of metal raw materials in order to increase economic benefits and reduce costs. Therefore, the reusable heavy material, less expected, but mild, especially after the metal processing of “industrial waste” - shavings, iron filings are increasing. A few years ago, some companies turned their backs: the waste to refining iron. Of course, this road go wrong, whether it is funding