威尔姆选煤厂,由于入厂原煤的质量渐趋恶化,现有的适合于处理中等粒度低排料量的戴斯特型摇床已不适应,为了保持精煤质量,必须降低处理能力。经研究,增设了戴斯型分级器来提高洗选能力。为了评定分级器的效果,该厂对流程 The Wilms Coal Preparation Plant, due to the deteriorating quality of the raw coal entering the plant, the existing Dexter shaker suitable for handling medium-sized and low-rejects has become unsuitable and must be reduced in order to maintain clean coal quality . After the study, an additional Dais-type classifier to improve wash capacity. In order to assess the effect of classifier, the plant on the process