Factors affecting the separation of shakers
1. The motion characteristics of the bed surface The degree of asymmetry of the bed surface motion will affect the loose stratification of the bed of mineral deposits and the transport zoning along the longitudinal direction. The larger the asymmetry procedure of the bed surface, the better the longitudinal movement of the particles. When selecting the slime, shakers with a large degree of asymmetry, such as Guiyang shaker and spring shaker, should be used.
2. The shape and size of the bed, the height and spacing of the bed, affect the lateral flow velocity of the water along the bed surface, especially the pulsation velocity formed in the groove. Pulsation speed rectangular bed strip article with a cloud caused by a large bed of tin, can be used when sorting coarse sand and fine sand. The triangular bed, especially the grooved bed, can form a pulsation speed that is suitable for use in fine sand or slime materials.
3. The combined value of stroke and stroke stroke and stroke determines the speed and acceleration of the bed surface motion. In order to achieve a suitable degree of looseness in the shear movement, the bed surface should have sufficient speed, and from the requirements of transporting heavy minerals, the bed surface should have an appropriate positive and negative acceleration difference. If the stroke is too small, the ore particles are not loose; if the stroke is too large, the ore particles will be transported away before they are layered. The appropriate values ​​of stroke and stroke are mainly related to the size of the selected material. The shaker for treating coarse sand takes a larger stroke, and the smaller the stroke, the value of the shaker for treating fine sand and slime is just the opposite.
4. Lateral slope and flushing water The flushing water consists of two parts: mineral water and washing water. The size and slope of the flushing water together determine the flow rate of the lateral flow. When handling coarse-grained materials, both large water volume and large slope are required, while the opposite is true when selecting fine-grained materials. Treating the same material “Dapo Small Water†and “Small Slope Water†can make the ore particles obtain the same lateral velocity, but the operation method of “large slope and small water†helps to save water, but at this time, the concentrate The band will narrow, which is not conducive to improving the quality of the concentrate.
5, the nature of the ore
(1) The amount of minerals given. The amount of minerals is large, the grade of concentrate is increased, but the recovery rate is reduced.
(2) The concentration of the ore. The concentration of the ore is large, the treatment volume is large, the grade of the concentrate is increased, and the recovery rate is lowered. Normal ore concentration is generally 15~30%.
(3) The composition of the ore particle size. It is suitable for processing the grade 3~0.037mm, and the ore is classified before being selected.
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