Reconstruction of the Flotation and Filtration Department
in the Coal-Enrichment Shop at OAO ZSMK

M. G. Fon, A. A. Sheffer, M. M. Naimark, and Yu. V. Porshneva

OAO Zapadno-Sibirskii Metallurgicheskii Kombinat (ZSMK), Novokuznetsk

Abstract—It is established that, at OAO ZSMK, the moisture content in the flotational concentrate is reduced
by 4.5% when dehydrating the cake using Andritz vacuum filters rather than Ukraina-80 filters. The content of
solid matter in the filtrate is reduced by a factor of four. Extraction of large-grain slurry from the supply to the
vacuum filters is more complete, with corresponding reduction in the content of >0.5 mm classes (by 4.1%) and
0.06–0.50 mm classes (by 1.8%) in the filtrate. The loss of final product with the filtrates is reduced by 0.3%;
the total power consumption of the vacuum-pump drives is reduced by 826 kW.

DOI:10.3103/S1068364X08100086

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