Muscovite mica is also called ordinary mica, potassium mica or mica is a kind of mica minerals. Muscovite is a good electrical insulator and thermal insulator, and it can be mass produced, it has important economic value. It is produced in the metamorphic rocks in general, but also produced in granite and other rocks.
Beneficiation methods and processes (Muscovite Mica Production Line)
Flotation
Based on the surface of muscovite and gangue different physical and chemical properties for sorting. Ore by crushing, grinding the mica monomer dissociation, under the action of the agents, foam products and muscovite as gangue separation. Muscovite flotation can be acidic or alkaline pulp, long-chain fatty acid amine cations and anions for the muscovite class collector. Muscovite flotation in three sections roughing subject, three sections selected in order to obtain muscovite concentrates. Therefore, ore flotation for the recovery of muscovite pegmatite and muscovite schist in the 14 mesh and fine-grained muscovite mica below. In China, production of mica ore flotation has not yet been applied.
Winnowing
Muscovite winnowing more than implemented by special equipment. The process is generally as follows: grade broken → screening → winnowing. After crushing the ore, after the formation of a thin sheet of muscovite basically, and gangue minerals feldspar and quartz were chunky. Accordingly, the use of multi-level classification of the pre-selected material into a narrow grain size, according to its suspension in the flow rate of the difference in the use of dedicated air separation equipment for sorting. Winnowing method for water-scarce areas, has been used in actual production.
Muscovite grinding mill machines
Jaw crusher is the most commonly used crusher machine for crushing mica. The capacity of small jaw crusher is 1t/p. While the large scale jaw crusher is 300-800 tons/p.
Hammer crusher is another widely used mica crushing machine. It can crush mica into mica flake less than 15 mm.
Of course there are other crushers to be chosen to crush mica. The crushed mica is the raw materials for mica paper and mica powder.
Ball mill is the most common mica mill machine. The finished size is 0.074-0.4mm, and the capacity of ball mill is 1-30 ton/p.
Raymond mill is also the common mica mill used in mica beneficiation plant. It’s fineness can be upto 0.044mm. The capacity is 1-3t/p.
The common mica powders are 6-10 mesh, 10-20 mesh, 20-40mesh, 40-60 mesh, 80mesh, 100mesh, 200mesh, 325mesh, 400mesh, 600mesh, 800mesh, 1000mesh, 1250mesh, 2500mesh.
Besides these mica crushing and powder machine, there are other important beneficiation processing machinery.
Vibrating screen is the essential mica screening machine. According to the requirements of fineness, we can install the different layers with different screen pore size.