the first step, using coarse crushing machine for preliminary crushing; The second step, the coarse material is transported by belt conveyor to finely machine for further crushing, after fine grinding crusher the stone enter into the vibrating screen to separate two stones, satisfy the crusher feeder particle size sand stones into the crushing mechanism, another partial returns into crusher for crushing; Finally, using cone crusher in the secondary crushing, and then use cone crusher plastic, prevent the particle size which is not good for crusher waste.
This method is in consistent with separation criterion of wet classification process.a new method of characterising particle sets for hydraulic classification needs has been proposed, following separation criterion.Wet classification is a process whereby particles are separated in separation medium(water) according to setting velocity differences. It allows determining a function of particle settling velocity distribution, that is a relationship between particle setting velocities and content of particles characterised by a certain settling velocity in a set. In spite of this fact, until the present, size analysis, usually performed by means of screening, has been the basic method of characterising particle sets for wet classification needs.
Magnetite is the main raw material in iron smelting.Even though there are many kinds and rich iron ore resources in the whole world, but only a few of them can be used to make iron.5-6.5. There are rich magnetite resources in Russia, North America, Brazil, Australia and Liaoning province, China etc. Magnetite has strong magnetic and its Mohs’ hardness is about 5.
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Traditional jigger is mostly the eccentric drive jigger, which is not conducive to the loose of jigger bed and the proportion of stratification of mineral particles and affects the sorting and recovery equipment.The jigger is one of the devices in the modern gravity separation. It is widely used as a rough election or selection of sorting gold,copper,tin, tungsten, titanium, hematite, coal and other minerals. Its pulse curve is as saw-tooth waveform to make uprising water faster than the dropped water; enhanced the loose of bed, eased the inhaled role, so that heavy particles in the mineral can fully settlement, greatly improving the sorting capacity and recovery rate of equipment. For its large capacity and a wide range of sorting particle, simple operation and maintenance. Saw-tooth wave series jigger is energy-saving gravity separation equipment developed and improved according to the law of layer theory of jigger bed stratification.
The, details of this screen assembly and the method of producing same will be described fully hereinafter.In preferred practice, the filter medium l6 comprises an integral unit consisting of a coarse screen 23 welded on transversely extending supporting bars or beams 24, which are rigidly connected with the sides of container 6 as by welding. A fine mesh screen 25 is held on screen 23 in adhering relation thereto.
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