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The recovery rate of the spiral chute process indicates that gravity separation is widely used in the beneficiation of metal or non-ferrous metals due to its low environmental pollution and cost. Spiral chute is one of the gravity beneficiation machinery, with a structural feature that the cross-section presents a cubic parabolic shape, suitable for handling finer particle levels of -0.2mm. During the beneficiation process, there is no need to add water for flushing, and the tail of the chute is divided into sections to select fine, medium, and tailings. 2、 Production principle: The spiral mineral separator is not limited to placing on the cross (or tripod) of the support table. The uniform slurry is slowly fed to the rotating groove surface through the feeding groove installed at the head of the spiral groove for sorting. A valve type product selection slot is installed at the tail, allowing the selection equipment to be divided into three (or four) categories according to grade along the radial direction. Adjust the orientation of the valve block to obtain the width of each device. The product gathering bucket is a concentric circular tube that distinguishes and densely draws out the intercepted multi-directional mineral flow. The transverse surface of the fiberglass spiral chute and the slope change of the curve are particularly suitable for the selection of fine particle materials. Spiral chute process has a recovery rate of . Advantages and characteristics: 1. High efficiency, high recovery rate, and accurate ore sorting; 2. No power required; 3. Lightweight, rust proof, durable, wear-resistant, and corrosion-resistant; 4. Low cost operation, long service life; 5. It is applicable to the fluctuation of feed volume, density, Granularity and grade; The frictional force formed on the surface of 6 diamond sand makes the beneficiation efficiency better than other plastic surfaces. The recovery rate of the spiral chute process is four. The structural composition of the fiberglass spiral chute is composed of a feeding homogenizer, a cross (tripod), a feeding chute, a spiral groove, a receiving groove, a gathering bucket, and a groove pillar. The recovery rate of the spiral chute process is five. The application range of the fiberglass spiral chute is to handle 0.6-0.03 millimeters or vein ores and minerals, but high mud content is unfavorable for sorting. At present, it has been widely used for processing iron ore, tungsten, tin ore sand, tantalum niobium, coastal and river placers, and placer gold mines. spiral chute process recovery rate