New constructions of floatation machines designed for floatation of non-ferrous metals ores and other minerals are presented. Constructions of floatation machines IF-9S and IF-19S employed for express floatation in grinding circuit at all copper concentrating plants in Poland are described. The results of application of IF-9S floatation machines at the 《Lyubin》 concentrating plant are analyzed. Construction of floatation machines IF-20RC and IF-30RC is described.
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