The shape and working principle of the spiral chute and the spiral concentrator are basically the same, but the two are different in structure, performance and use. The main differences are as follows:
(1)
The bottom line of the spiral concentrator is a part of a parabola or an ellipse, and the bottom line of the spiral chute is a cubic parabola. Therefore, the bottom of the spiral chute is wide and gentle, which is more suitable for processing fine-grained materials. (2) The
spiral chute is to take the fine, medium and tailings respectively at the end of the trough, while the spiral concentrator intercepts the concentrate at the upper part and the tailings at the end of the trough. (3) The
spiral chute has no washing water, and the spiral concentrator is filled with washing water. (4)
The size of the spiral chute is smaller than that of the spiral concentrator, and the particle size of the spiral concentrator is 2
～ 0.074mm , and the appropriate processing particle size of the spiral chute is 0.3
～ 0.04mm . (5) In
terms of the mass fraction of the ore, the spiral chute requires a high mass fraction, generally not less than 30%
, while the spiral concentrator quality requirement is not strict, and the lower limit can reach 10%
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