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罗斯托夫煤炭联合企业《列宁》选煤厂于1958年投入生产,设计处理能力为150万吨/年。该厂在1970—1975年用现代化工艺设备进行了技术改造,安装了CK-20型和CKB-20型重介质分选机。1975年处理能力达248万吨/年,劳动生产率比五年前提高32.2%,商品煤的质量也有所提高。为防止选煤废水对河流的污染和改善选煤厂的供水工作,在工业广场建成了机械化煤泥池。该选煤厂采用新型煤泥水系统后(见
The Rostov-on-coal “Lenin” coal preparation plant was put into operation in 1958 with a design capacity of 1.5 million tons / year. The plant in 1970-1975 with modern technology and equipment for technological transformation, the installation of CK-20 and CKB-20 heavy media sorting machine. In 1975, the processing capacity of 2.48 million tons / year, labor productivity increased 32.2% over five years ago, the quality of commercial coal has also increased. In order to prevent pollution of river water by coal preparation wastewater and improve water supply in coal preparation plant, a mechanized slime tank was built in Industrial Square. The coal preparation plant using the new slime water system (see