Gold Wash Plant with Trommel (4 TPH)
Product Overview
The Semi-Portable Gold Wash Plant (Scrubber + Trommel Type) is a compact mineral processing system designed for efficient recovery of both coarse and fine gold.
It combines multiple processes including screening, scrubbing, classification, and centrifugal concentration in a single unit. The system is suitable for small to medium-scale mining operations and can be transported easily.
The plant ensures effective separation by dividing material into different size fractions and processing each fraction using appropriate recovery methods.
WORKING PRINCIPLE:
- The plant operates through a multi-stage process
Process Flow:
- Pre-Screening (Grizzly)
- Removes large rocks (>75 mm)
- Scrubbing
- Rotating scrubber breaks clay and cleans material
- Screening
- Double deck screen separates:
- 8 mm ? rejected
- 2–8 mm ? sluice
- <2 mm ? concentrators
- Gravity Separation
- Sluice ? recovers coarse gold
- Centrifugal concentrators ? recover fine gold
- Slurry Transport
- Pump transfers fine slurry to concentrators
- Concentrate Collection
- Gold collected and further processed
PROCESS ADVANTAGES:
- Efficient recovery of both coarse and fine gold
- Reduces gold loss compared to traditional methods
- Handles clay-rich materials effectively
- Flexible operation (batch or continuous)
- Easy transport and installation
MAIN COMPONENTS:
- Grizzly (coarse screening)
- Rotary scrubber
- Double-deck vibrating screen
- Sluice box
- Slurry pump
- Centrifugal concentrators
- Electrical control system
LIMITATIONS:
- Capacity limited by fine material processing units
- Requires periodic stopping for concentrate collection (batch mode)
- Performance depends on:
- Feed size distribution
- Proper water supply
- Slurry consistency
OPERATION & MAINTENANCE NOTES:
- Daily Checks:
- Ensure water jets are functioning properly
- Check filters and remove blockages
- Inspect bowl and riffles
- Operation:
- Maintain proper water pressure
- Adjust cycle time based on feed characteristics
- Monitor tailings for gold loss
- Important:
- Feed size must be controlled to avoid blockage
- Consistent water supply is critical for performance
OPTIMIZATION PARAMETERS:
- Key variables affecting performance:
- Feed size distribution
- Slurry density
- Feed rate
- Rotational speed (RPM)
- Water pressure
- Cycle time
Applications
Mining Applications:
- Alluvial gold mining
- Placer mining
- Small-scale gold processing plants
Processing Uses:
- Recovery of gold from mixed-size material
- Processing of clay-rich ores
- Exploration and pilot-scale operations
Technical Specifications
Capacity:
- Overall plant capacity: up to ~10 TPH
- Fine material processing capacity:
- ~2 TPH per centrifugal unit (-2 mm material)
Feed Size Distribution:
- 75 mm ? rejected by grizzly
- 8 mm – 75 mm ? scrubbed and screened
- 2 mm – 8 mm ? processed via sluice
- <2 mm ? processed via centrifugal concentrators
Power Requirements:
- Approximate power: ~25 kVA (excluding water pump)
- Electrical supply: 220 V, single-phase
Water Requirements:
- Water flow: ~20 – 35 m³/hr
Features & Benefits
- Semi-portable, skid-mounted design
- Integrated system:
- Scrubber
- Trommel/screen
- Sluice
- Centrifugal concentrators
- Efficient recovery of:
- Coarse gold (sluice)
- Fine gold (centrifugal units)
- Double-deck screening for accurate classification
- Can operate in:
- Batch mode (with 2 concentrators)
- Near-continuous mode (with additional unit)
- Flexible installation (concentrators can be placed remotely)
- Simple operation with minimal training required
- Durable and reliable design
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