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西维尔煤炭公司米杜·里弗一号选厂于1974年春投产,小时设计能力为吨。入洗原煤粒度为125—0毫米,其125—6毫米重介选,6—28网目摇床选—28网目浮选。浮选精煤由真空过滤机水,尾矿去浓缩机。浓缩机底流由过滤脱水后舍弃。
The Sevier Coal Company Middletown Plant No. 1 was commissioned in the spring of 1974 with an hourly design capacity of tonne. Washed coal particle size of 125-0 mm, 125-6 mm heavy medium, 6-28 mesh shaker election -28 mesh flotation. Flotation coal from the vacuum filter water, tailings to thickener. Thickener underflow from the filter after dehydration discarded.