Spiral chute: A smart choice for power-free re-sorting

#Industry ·2026-02-11

In the field of mineral sorting, the pursuit of efficient, energy-saving, and environmentally friendly solutions has always been the goal of the industry. The spiral chute is a classic re-sorting equipment that has emerged in response to these needs. With its unique advantages, it plays an irreplaceable role in many mineral processing plants. What is a spiral chute? A spiral chute is a device that uses the combined effects of gravity, friction, and centrifugal force of water on minerals moving on an inclined spiral surface to achieve layering and separation of minerals with different densities and particle sizes on the surface. It is mainly used for the sorting of fine-grained minerals such as iron ore, titanium iron ore, chromite, zircon, rutile, monazite, tungsten-tin ore, tantalum-niobium ore, and coal. The outstanding advantages of the spiral chute: 1. Power-free operation, energy-saving and environmentally friendly: This is one of the most notable features of the spiral chute. It does not require additional power drive, and can complete sorting solely by the self-weight of the mineral slurry and water flow, significantly reducing operating costs and energy consumption. As a physical sorting method, it reduces the use of chemical reagents and is more environmentally friendly, truly a green sorting equipment. 2. Simple structure, easy maintenance: The equipment has a compact structure, no complex transmission components, low failure rate, and simple daily maintenance and operation, greatly extending the service life of the equipment and reducing labor and maintenance costs. 3. High sorting efficiency and strong adaptability: The spiral chute is particularly effective in sorting fine-grained minerals (especially 0.3-0.02 mm), which can effectively improve the grade and recovery rate of the concentrate. At the same time, it has strong adaptability to changes in feed quantity, concentration, and particle size, and can achieve the best sorting effect by adjusting parameters such as feed concentration and water flow. 4. Low investment cost and short payback period: Compared with other re-sorting equipment, the initial investment cost of the spiral chute is lower, and due to its energy-saving and efficient characteristics, it can quickly recover the investment and create considerable economic benefits for enterprises. Wide application fields: The spiral chute is widely used in the re-sorting of various minerals such as ferrous metals, non-ferrous metals, rare metals, and non-metallic minerals, and particularly excels in the pre-sorting and fine-sorting of beach sands, alluvial sands, and some vein ores. Choosing the spiral chute is choosing a path towards efficient, energy-saving, and environmentally friendly mineral sorting. It not only helps you optimize production processes and reduce operating costs, but also achieves the goal of sustainable development of green mines. We are committed to providing high-quality spiral chute products and professional solutions to help your mining business thrive! Contact us now to learn more details and embark on your smart sorting journey!

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