Underground spiral chute

Underground spiral chute

Underground spiral chute 1. Introduction: Gravity beneficiation is widely used in the beneficiation of metallic and non-metallic minerals due to its low pollution and low cost. Fiberglass reinforced plastic chute is one of the gravity separation equipment, with a structural feature that the cross-section presents a cubic parabolic state, suitable for processing finer particle sizes of -0.2MM. During the selection process, do not add water for flushing, and divide the chute into sections at the end to select fine, medium, and tailings. 2、 By using a method, the spiral chute is erected and aligned with the vertical line. An iron frame or wood is used to position it in a suitable position. The sand and ore are pumped by a slurry pump to the two feeding ports above the spiral, where water is added and the density of the mineral slurry is adjusted. The slurry naturally swirls from high to low, generating an inertial centrifugal force in the swirling slope flow velocity. The difference is based on the specific gravity, particle size, and state of the mineral sand, By utilizing the gravity and centrifugal force of the swirling flow, the sand and ore are separated. The selected ore enters the concentrate hopper and is piped out. The tailings are discharged into the tailings hopper and moved to the sand tank through a pipeline, and then discharged by a mortar pump, completing the entire beneficiation process. Underground spiral chute 3. Characteristics and advantages 1. Large scale and large processing output. In principle, the current conditions for processing mineral materials are to use scale efficiency to create profits. 2. Fine granulation, for the treatment of fine particle level minerals, especially for the treatment of mineral materials with a particle size of -0.047mm, the original machine can basically ensure the recovery of+0.047mm particle size. 3. With the development of Hydraulics, two-phase flow and equipment vibration, the spiral concentrator has developed from the simple application of gravity and water resistance to the combined application of centrifugal force, mechanical vibration force, magnetic force, etc. Through a composite force field, the enrichment of useful mineral materials or the separation of fine and fine particles can increase the mineral recovery rate. 4. With energy conservation and environmental protection as the fundamental starting point, the area and space occupied should be small, and water and electricity consumption should be small. 5. Simple and flexible operation, stable sorting process, simple structure, and easy maintenance management. Underground spiral chutes IV. Chutes can be divided into three types according to the Granularity of processed ore materials: (1) Coarse grained chutes. The maximum Granularity of the feed is more than 2-3MM, and the maximum can reach 100-200mm. (2) Mineral sand chute, processing 2-3MM particle grade mineral materials. (3) Slurry chute, with a feeding particle size of less than 0.074mm. 5、 Application field: Spiral chutes are used for processing 0.6-0.03mm or vein ores and minerals, but high mud content is unfavorable for sorting. It has now been widely used for processing iron, tungsten, sand tin, tantalum niobium mines, beach or river sand mines, and sand gold, among others. Underground spiral chute

Underground spiral chute

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