Spiral chute: a gravity-based sorting system and an expert in mineral enrichment powered by green technology

#Industry ·2026-01-02

In today's pursuit of high efficiency and environmental protection, mineral sorting technology is facing unprecedented challenges. The high energy consumption and pollution of traditional sorting processes are becoming increasingly prominent, while spiral chutes, as a mature and highly advantageous gravity separation equipment, are leading a new trend in mineral enrichment with their unique charm. 【What is a spiral chute?】 A spiral chute is a continuous sorting equipment that uses differences in mineral density, particle size, and shape to sort minerals under the combined action of water flow and gravity. It consists of a spiral chute, a feeder, a separator, and a support frame, with a compact structure and stable operation. The slurry is fed from the top. Under the centrifugal force, friction, and shear force of the water flow in the spiral chute, the minerals with high density sink and move inward, while the minerals with low density move outward under the push of the water flow. Finally, the separator achieves the separation of concentrate, intermediate products, and tailings. 【Why choose a spiral chute? — Five core advantages】 1. High efficiency and energy saving, zero energy consumption operation: The spiral chute is a pure gravity separation equipment that does not require any external power drive during the entire process. It relies solely on the gravitational potential energy of the slurry, greatly reducing production and operation costs, making it a truly "green and energy-saving" equipment. 2. Green and environmentally friendly, no pollution emissions: The entire sorting process does not add any chemical reagents, avoiding environmental pollution and the difficulty of wastewater treatment. It uses water as the medium to achieve clean production, meeting the requirements of sustainable development for modern mines. 3. High sorting accuracy and high recovery rate and grade: With its unique spiral curve design and precise hydrodynamic principles, the spiral chute can achieve efficient and accurate enrichment of fine-grained minerals, ensuring high recovery rates while obtaining high-quality concentrate products. 4. Simple structure, convenient operation and maintenance: The equipment has a compact structure, no moving parts, and a very low failure rate. Daily operation is simple, and maintenance is convenient, greatly reducing labor costs and downtime, ensuring the continuity of production. 5. Wide applicability and multi-functionality: The spiral chute is widely used in the sorting of iron ore, tin ore, tungsten ore, tantalum-niobium ore, gold ore, coal sludge, and other black, non-ferrous metals and non-metallic minerals. It is particularly effective in the processing of fine-grained and ultra-fine-grained minerals. 【Invest in spiral chutes and shape the future of mining】 Choosing a spiral chute means choosing a lower-cost, higher-efficiency, and more environmentally friendly mineral sorting method. It not only helps you significantly improve the recovery and utilization of mineral resources and reduce operating costs, but also helps you build a green mine and achieve a double win of economic and social benefits. Contact us now to learn more about customized solutions for spiral chutes, and let's together open a new chapter of intelligent and green mineral enrichment!

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Jiangxi Mingxin Environmental Protection Equipment Co., Ltd.