Small Gold Wash Plant / Tails Recovery (10–20 TPH)
Product Overview
The Modular Gold Wash Plant (Pump-Fed Type) is a compact mineral processing system designed for efficient recovery of fine gold from pre-classified alluvial materials.
It is typically installed at the end of existing processing systems (like sluices or dredges) to improve recovery of fine particles that are otherwise lost. The plant integrates screening, dewatering, and centrifugal concentration to maximize efficiency.
The system is particularly suitable for clay-rich materials and operations where fine gold recovery is critical.
WORKING PRINCIPLE:
- The plant operates through a multi-stage process
Process Flow:
- Pre-Screening
- Material passed through grizzly
- Oversize rejected
- Screening
- Vibrating screen separates material:
- 2 mm ? sluice or tailings
- <2 mm ? further processing
- Slurry Pumping
- Fine slurry pumped to cyclone
- Dewatering (Cyclone)
- Removes excess water
- Produces thick slurry
- Centrifugal Concentration
- Thick slurry fed to concentrator
- Heavy particles captured
- Light particles discharged as tailings
- Concentrate Collection
- Gold collected and further upgraded
PROCESS ADVANTAGES:
- Recovers gold missed by traditional sluices
- Efficient for ultra-fine and floating gold
- Improves overall plant recovery
- Reduces gold loss in tailings
- Ideal as a secondary recovery system
MAIN COMPONENTS:
- Static grizzly (pre-screening)
- Vibrating screen (size separation)
- Slurry pumps
- Dewatering cyclone
- Centrifugal concentrator
- Sluice box
- Hopper (for slurry thickening)
- Electrical control system
LIMITATIONS:
- Performance depends on:
- Proper feed classification
- Adequate water supply
- Efficient slurry mixing
- Requires pre-screened material
- Capacity limited by concentrator and pump system
INSTALLATION & OPERATION NOTES:
- Key Requirements:
- Stable base for equipment
- Adequate and consistent water supply
- Proper slurry feed system
- Pump and piping setup
- Important Points:
- Cyclone is essential for proper slurry density
- Improper feed consistency reduces efficiency
- System works best when integrated with existing plants
Applications
Suitable Feed Sources:
- Land dredge material (with or without clay)
- River dredging
- Trommel fines
- Screen underflow
- Sluice tailings (new or old)
Mining Applications:
- Alluvial gold mining
- Placer mining
- Tailings reprocessing
- Fine gold recovery enhancement
Technical Specifications
Capacity:
- Efficient solids capacity:
- 10 – 20 TPH (-2 mm material)
- Maximum capacity:
- 15 – 30 TPH (depending on configuration)
Slurry Capacity:
- Approximate slurry flow: 400 – 800 GPM
Feed Parameters:
- Recommended feed size: ? 12 mm
- Fine fraction processed: ? 2 mm
Operating Conditions:
- Feed pulp density: ~10% – 30% solids
- Concentrator feed density: ~28–30% solids
Features & Benefits
- Designed specifically for fine gold recovery
- Works without chemicals (eco-friendly process)
- Modular and compact design
- Pump-fed system for flexible installation
- Includes screening + dewatering + concentration
- Uses cyclone for slurry thickening
- Efficient handling of clay and fine particles
- Can be integrated with:
- Sluices
- Dredges
- Trommels
- High recovery efficiency for fine and floating gold
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