After geting the calcite to the surface, washing, crushing and screening are the only operations normally required. Hand-picking before crushing suffices to reduce the proportion of limestone, baryte and galena to acceptable amounts. Crushing between jaw crushers or rollers is the normal practice, followed by coarse screening to produce half to on inch lumps for graves etc.
Furhter crushing and mediu to fine screening yields smaller pieces, particularly 3/8 inch, 1/4 inch and 3/16 inch, cleaned by passing over trommels. These sizes are usually sold under metric equivalents today. Detials of the crushing and screening process, together with a flow sheet. Screening is usually done wet and yields fine fractions of calcite sand sand mud.
Calcite Mining Equipment
Both open cast and underground mining have been employed for calcite mining applications. Open pitting any vein where calcite is sufficiently abundant to be exvavated by some form of mechanical shovel is obviously the most economical means of proudction, but it is liable to add some contamination from other minerals, wall-rock and near-surface soil or clay.
Underground mining is more expensive and the only such mines are where almost the whole vein is composed of calcite and where the water-table is low enough for there to be no pumping ocsts. Underground mining requires drilling and blasting and mine layouts are developed in the same way as other vein mines with levels at succesive depths.
Calcite Stone Processing Plant
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There are many different types of machinery involved in calcite stone processing application. SBM provide complete series of calcite stone processing plant for sale including quarry machine, extraction plant, crushing machine, grinding mill, spiral classifier, flotation machine, magnetic separator, classifying and thickening equipment, dewatering machine etc.