Fine Gold Recovery Gemini Table 30-450kg/H Gold Ore Processing Equipment

Fine gold recovery rate of Gemini table

1.Product Introduction Gold Ore Processing Equipment

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2.Application Gold Ore Processing Equipment

The Gemini Shaking Table is a critical piece of equipment used for fine separation in gravity concentration, primarily applied in the following scenarios:

• Final Gold Concentration: Serving as the final step in gold processing, it is used to recover micro-fine gold particles from roughing or cleaning products (such as black sand) that may have been missed by other equipment like sluice boxes or centrifuges.

• Small and Medium-Scale Mining: Particularly suitable for artisanal (handheld) mining, small-scale gold operations, or mobile processing units due to its compact design and operational flexibility.

• Polymetallic Mineral Recovery: Beyond gold, it is used to recover other high-density minerals such as silver, tin, tungsten, tantalum, niobium, and diamonds by adjusting equipment parameters for targeted separation.

• Pre-concentration & Tailings Re-treatment: Used for initial enrichment of raw ore or secondary recovery from tailings to improve overall resource utilization.

3.Working Principle  Gold Ore Processing Equipment

The Gemini Shaking Table sorts materials based on density differences and fluid dynamics. Its core mechanisms include:

• Inclined Deck: The table surface has a slight inclination (usually 2°–5°), causing materials to naturally slide downward under gravity.

• Reciprocating Vibration: A crank-and-link mechanism drives the deck in an asymmetric reciprocating motion (slow forward, fast return). This motion causes the material layer to loosen and stratify.

• Transverse Water Flow: A thin layer of water is continuously injected at the top of the deck, flowing perpendicular to the vibration direction. This water washes away lower-density gangue minerals (such as quartz), forming the tailings.

• Riffle Capture: The deck is carved with precision longitudinal grooves (riffles). Under the combined action of vibration and water flow, high-density gold particles settle and move in a "jumping" fashion along the grooves toward the concentrate end (the lower side), while light minerals are carried away by the water.

• Multi-Zone Separation: Large tables are often divided into roughing, cleaning, and scavenging zones. The material undergoes multiple sorting stages across these zones to enhance both concentrate grade and recovery rates.

4. Advantages  Gold Ore Processing Equipment

The Gemini Shaking Table offers several distinct advantages in fine gold recovery:

• Extremely High Recovery Rate: Recovery of fine gold can reach 90%–95%, far exceeding traditional gold pans and many other gravity devices.

• High-Grade Concentrate: It can directly produce high-concentration concentrates with gold grades as high as 5%, which can be sent directly for smelting, reducing downstream costs.

• Broad Particle Size Range: It is the preferred equipment for handling "fine gold" issues, showing excellent recovery for particles from 30 microns to 2 mm.

• Low Operating Costs: Aside from electricity, it requires no chemical reagents (such as cyanide), making it inexpensive to run and environmentally friendly.

• Reliable Structure & Easy Maintenance: The mechanical structure is simple and durable. Daily maintenance, such as checking riffles or adjusting water flow and amplitude, is straightforward.

• High Flexibility: Parameters like amplitude, frequency, deck inclination, and water feed rate can be adjusted to adapt to various ore properties and processing requirements.

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