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wear resistant spiral chute for zircon

wear resistant spiral chute for zircon

To Increase the Separation Efficiency of Spiral Chute, Dont ...

1.The diameter of spiral chute The diameter of spiral chute has direct influence on the capacity and recovery rate. Generally speaking, the larger the diameter of spiral chute, the larger the volume and velocity of ore flow, and the greater the processing capacity per unit time. According to the practical experience, the smaller the diameter of spiral chute, the smaller the lower limit of recovery particle size and the higher the recovery rate. 2.The longitudinal angle of spiral chute The intersection angle between the tangent line of the spiral groove section curve and the vertical axis is called the longitudinal inclination Angle. Therefore, a small dip Angle is used in the selection of fine minerals and a large dip Angle is used in the selection of coarse minerals. The suitable longitudinal inclination Angle can make the slurry run along the channel body, obtain good dressing index and improve dressing efficiency. 3.The horizontal inclination of spiral chute The transverse inclin...

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The suitable size, shape and density of feeding materials are of great significance for the separation of useful minerals and gangue minerals. 1.Mineral particle size Normally, the upper limit of screw chute size is 6mm. The argillaceous minerals need to be desilted and graded before feeding to prevent material clogging from affecting the sorting efficiency. 2.Mineral grain shape The shape of the mineral particles also affects the speed at which minerals move through the spiral chute. When the shape of useful heavy minerals is irregular or flaky and gangue minerals are round, the movement speed of heavy minerals is slow, which is conducive to stratification and settlement, reducing tailings grade and improving separation efficiency. 3.Mineral density Because the spiral chute is mainly sorted according to the different density differences of minerals, the larger the density difference between the useful minerals and gangue minerals in the selected ores, the more favorable the separat...

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1.The feeding volume To some extent, the volume of ore feed affects the thickness and velocity of ore flow. Therefore, in order to improve the efficiency, the coarse material feeding volume is large, the fine material feeding volume is small. Spiral chute requirements for ore concentration greater than 30%, should not be too large or too small. If the concentration of ore is too large, the slurry viscosity increases, and the ore layer is not easy to be loosened, which will lead to the blockage of ore particle settlement, seriously affecting the stratification effect and the movement speed of ore particle, thus reducing the concentrate grade and recovery. If the concentration of ore is too small, the unit time processing capacity will be reduced, the material layer will become thinner and cannot be stratified and zoned, resulting in the increase of pulp flow rate, and the useful heavy minerals will be discharged before stratification and settlement, thus the tailing grade will increa...

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