Titievskiy E. M., Chief Mechanic, Candidate of Engineering Sciences, e-mail: Titievskiy-E@petropavlovsk-io.ru, “Petropavlovsk - Ferrous Metallurgy”, Ltd.

The tendency of establishment and development of energysaving technologies of ore crushing at benefication plants, based on formation of network circuits of devices chains, included classification (grating) of ore mass in every stages of crushing, dry magnetic separation as instrument of primary benefication and reducing of grain size of final crushing product (till 10-12 mm), has been confirmed on the base of analysis of projects of several known Russian and foreign machine manufacturing companies.