potassium feldspar process flowsheet-yantai jinpeng mining machinery, ore dressing process & equipment, ore flotation & beneficiation
Along with potassium feldspar ore reducing, quality down, the requirement of product increasing and mine comprehensive recovery development, introduce gravity separation, flotation, high-gradient separation, etc complex selection process to remove quartz, mica, iron-bearing titanium, etc associated mineral.
potassium feldspar is mainly the orthoclase, microcline, perthite, etc, that is silicate minerals of potassium, sodium, calcium, etc alkali metal or alkaline-earth metals.
Potassium feldspar mining equipment mainly include jaw crusher, ball mill, desliming bucket, hydrocyclone, strong and week magnetic separator, flotation cell, etc. the main process is curshing-milling-magnetic-flotation, etc.
4. Magnetic separation: after desliming, use strong and week magnetic separator to separate magnetite and week magnetic mineral. Magnetic separation is very important for potassium feldspar and is the highest efficient equipment to remove irony mineral.
5. Flotation: at present, the strong and week magnetic separator is not suitable for all potassium feldspar ore, the flotation is a good supplement option. We need use collector, which can remove impurities efficiently and remain potassium feldspar. Jinpeng research institute can deploy different flotation agent according to different condition.
6. Acid washing concentrate: use vitriol as acid washing agent, according to acid concentration and iron content in potassium feldspar to adjust, when the vitriol concentration is certain, the iron content is in proportion to vitriol dosage. After acid washing, the Fe2O3 and Fe3O4 are removed and separate ferrous sulfate solution, then get concentrated potassium feldspar powder.
potassium mining | processing equipment | flow chart | cases - jxsc
Potash is any salt, mined or manufactured, which contains the element potassium (K) in water-soluble form. Primary potash minerals include potassium chloride (KCl or sylvite), potassium sulfate [K2SO4or sulfate of potash (SO P), usually a manufactured product], and potassium-magnesium sulfate [K2SO42MgSO4or langbeinite or double sulfate of potash magnesia (SO PM or K-Mag)]. The name derives from pot ash, which refers to plant ashes soaked in water in a pot, the primary means of manufacturing the product before the industrial era. The word potassium is derived from potash.
Potash is mined underground using boring machines, drum miners, or longwall miners and occasionally road headers. Boring machines feed directly onto conveyor belts connected to main haulage ways or over-bridge conveyors. Longwall conveyor belts discharge to a ladder-chain conveyor on the floor of a development roadway at one end of the longwall panel. The ladderchain conveyor discharges onto the conveyor belt leading to the skips of the ore hoist on the surface.
Solution mining can substitute for conventional shaft mining in potash deposits that occur below 3,000 feet. Vertical pipes are drilled to supply water to the ore zone and a return pipe brings the saturated brine to the surface where it is evaporated in surface ponds leaving potash.
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