历史情况澳大利亚里斯顿厂的焙烧技术,在第二次世界大战后从Skinner型多膛焙烧炉,发展到1948年的Trail型悬浮焙烧炉。直到1969年都是用四台悬浮焙烧炉进行生产,最后一台炉子是在1957年2月底投产。处理精矿能力为 History The roasting technology at the Listerton plant in Australia developed from the Skinner multi-chamber roaster to the 1948 Trail roaster after World War II. Until 1969, four suspended roasters were used for production, and the last one was put into operation by the end of February 1957. The ability to handle concentrate is