High-efficiency re-selection and green pioneer—exploring the mysteries of the spiral chute

#Industry ·2026-03-13

The effective utilization of mineral resources relies on advanced mineral processing technologies and equipment. Among numerous mineral processing machines, spiral chutes, with their unique advantages, play a crucial role in the field of gravity mineral processing and are hailed as practitioners of "green mineral processing". A spiral chute is a device that sorts minerals based on their specific gravity and particle size through the combined action of gravity, friction, centrifugal force, and water film shear force as they move on an inclined surface. When slurry is fed into the top of the chute, it flows down the spiral surface under the force of gravity. Due to differences in specific gravity, particle size, and shape, heavy minerals gradually move inward and settle to the bottom under the action of centrifugal and friction forces, while light minerals with lower density and coarser particle size are carried upward or to the sides by water flow. Ultimately, different interception ports are used to separate heavy minerals from tailings. Key advantages of spiral chutes: 1. High energy efficiency and low operating costs: Spiral chutes do not require power to operate, relying solely on gravity for sorting, significantly reducing energy consumption and production costs, making them truly energy-saving and environmentally friendly equipment. 2. Simple structure and easy maintenance: The device has no moving parts, with extremely low failure rates. Daily maintenance is simple, extending equipment lifespan and saving repair costs. 3. Excellent mineral processing results and high enrichment ratios: It achieves excellent sorting results for fine-grained minerals, particularly iron ore, tin ore, titanium iron ore, zircon sand, and gold ore, effectively improving concentrate quality and recovery rates. 4. Significant environmental advantages and green pollution-free: No chemical reagents are used in the mineral processing process, avoiding environmental pollution and aligning with current global concepts of green mine construction and sustainable development. 5. High processing capacity and strong adaptability: It can be designed as single-head or multi-head to meet different processing demands; it also has certain adaptability to changes in feed concentration and particle size, allowing for relatively flexible operational adjustments. 6. Low investment costs: Compared to other complex mineral processing equipment, spiral chutes have lower initial investment costs and significant economic benefits. Wide range of applications: Spiral chutes are widely used in the processing of ferrous metals, non-ferrous metals, rare metals, and non-metallic minerals, such as iron ore, gold ore, titanium ore, chromite, zircon, rutile, monazite, and wolframite. Particularly in the coarse sorting and scavenging operations of sand mines and mineral processing plants, spiral chutes have become indispensable heavy sorting equipment due to their stable and reliable performance. In today's pursuit of maximizing resource utilization and minimizing environmental impact, spiral chutes are not only efficient mineral processing equipment but also practitioners of green sustainable development concepts. Choosing spiral chutes means choosing an economical, environmentally friendly, and efficient mineral sorting path, contributing to the prosperity and progress of the mining industry.

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Jiangxi Mingxin Metallurgy Equipment Co., Ltd