根据某些炼铅厂的统计资料来看,当进行鼓风炉熔炼时,有2.4～3.7％的Pb,86～96％的Zn,以及若干数量的铜和贵金属都从配料中进入炉渣。至于稀有金属进入炉渣的转化率,则在上面已然谈到。目前各厂所产出的炉渣中的金属含量的变化范围很大:Pb的含量介于1.0～2.5％,Zn的合量介于8～12％。除目前所产出的炉渣以外,在阿尔泰和涅尔琴斯克地区过去几年中所形成的废渣场中(现有工厂和早已停止生产的工厂所产出的炉渣),也堆积了约1000万吨炉渣,其中含有20万吨以上的铅和65万吨的锌。在个别废渣堆中,铅的含量达3％甚至5％,而铅和锌的总量,照例超过11～12％。 According to statistics from some smelters, 2.4 to 3.7% Pb and 86 to 96% Zn, as well as some quantities of copper and precious metals, enter the slag from the ingredients when blast furnace smelting. As for the rate of conversion of rare metals into the slag, it is already mentioned above. At present, the metal content in the slag produced by each plant varies widely: the content of Pb is between 1.0 and 2.5%, and the content of Zn is between 8 and 12%. In addition to the presently generated slag, about 10 million have been accumulated in the waste fields formed in the past few years in Altai and the Ner’zhinsk region (slag from existing and decommissioned factories) Tons of slag, which contains more than 200,000 tons of lead and 650,000 tons of zinc. In individual waste heaps, the lead content reaches 3% or even 5%, while the total amount of lead and zinc, as usual, exceeds 11-12%.