Size reduction –crushing and grinding minerals

By tonnage this is by far the largest process operation in mineral processing. The goal is to produce rock or (more seldom) mineral fractions to be used as rock fill or ballast material for concrete and asphalt production. Quality parameters are normally strength, size and shape. The size fractions, see below, are priced according to defined size intervals. Main crushing machine including GYRATORY CRUSHER, CONE CRUSHER, JAW CRUSHER, IMPACT crusher etc.
Size reduction of ores is normally done in order to liberate the value minerals from the host rock. This means that we must reach the liberation size, normally in the interval 100 10 micron, see value curve 1. If the raw material is a single mineral (Calcite, Feldspar a.o.) the value normally lays in the production of very fine powder (filler), see value curve 2. In order to maximise the value in size reduction of rock and minerals, see below, we need both crushing and grinding in various combinations.The grinding machine inckuding ball mill,vibrating millVertimill etc.
Sinonine technology team
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