Spiral Chute

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What is spiral separator?

The spiral chute can also be called spiral separator. It has synthesized the advantages of beneficiation chute, spiral separator shaking table, centrifugal separator and it is the optimal equipment for mining and ore separation especially for placer mining of beach, river, sand beach and stream. Spiral chute can be classified into gravity separator spiral chute and construction chute.

Spiral chute gold separator

Spiral separator application

Mining spiral separator is suitable for materials with separation particle size between 0.3-0.02mm like gold, iron ore, ilmenite, chromite, pyrite, zircon, rutile, monazite, phosphorus ore, tungsten, tin, tantalum, niobium mine and also suitable for non-ferrous metals, rare metals and non-metallic objects with ratio differences. Fote spiral concentrator or gravity spiral chute has the advantages like stable operation; a large range of feed density; high enrichment ratio and high recycle rate.

Spiral separator for gold

Characteristics of spiral separator

1.Spiral chute ore spiral separator has the characteristics like reasonable structure; easy installation; small footprint; easy operation; stable operation, clear ore separation; large capacity; high efficiency; high enrichment ratio and high recycle rate. Moreover, spiral separator or spiral chute has the advantages like lightweight; damp-proof; rust-proof; corrosion resistance and high adaptability for concentration, particle size, and grade; noise-free.

2.The equipment has a wider and gentler groove surface, and The area where the slurry layer flows is large. It is suitable for processing the medium or fine ore below 4mm. Fote Machinery has produced the spiral chute with the different diameters of 400mm、600mm、900mm、and 1200mm. The spiral chute machine with the diameter of 1200mm can process materials for 4-6t/h. Spiral separator design is unique, which will help easily saperate the gold from the mineral.

3.Fine granulation. It can process fine-grained minerals, in particular the minerals with size of -0.047 mm, essentially guaranteeing the recovery of the grade of +0.047 mm.

4.With the development of hydraulics, two-phase flow, mechanical vibration, spiral chutes have evolved from the simple application of gravity and water flow resistance to the application of centrifugal force, mechanical vibration force, magnetic force, etc. It can improve mineral recovery rate and increase the enrichment of useful minerals and separation of fine particles through the composite force field.
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Spiral chute

How does a spiral separator work?

Raise the spiral chute, align the vertical line, and fix it in place with iron frame or wood. The sand pump sends the ore to the top of the spiral at the two inlets. Then, adding the water to adjust the ore concentration. The pulp is naturally swirling from high to low, producing an inertial centrifugal force during the rotation. Since the difference in specific gravity, particle size, the shape of the ore, and the gravity and centrifugal force of the swirl, the ore is separated from sand.

The concentrate flows into the concentrate bucket and is taken out by the pipeline. The tailings flow into the tailing bucket and the pipeline is connected to the sand pool, and then drained by the sand pump. This is the whole beneficiation process.

FTM Machinery’s spiral chute for sale

There are many spiral separator manufacturers, but FTM Machinery has large scale, strong strength, mature manufacturing process, and can provide higher performance and more stable equipment for users’ production, which reduces user’s investment on production and ensures users can obtain higher economic and social benefits in their operations.

Spiral Chute Technical Parameter