Wilfley Table (<0.5 TPH)
Product Overview
The Industrial Shaking Table (Gravity Concentration Table) is a high-capacity gravity separation device used for separating minerals based on differences in specific gravity (density).
It operates using a combination of reciprocating motion and water flow, allowing heavy minerals to concentrate while lighter materials are washed away. The table is widely used in mineral processing plants for final concentration and cleaning stages.
It is especially effective for recovering precious metals and other dense minerals from low-tonnage streams or fine particle circuits.
WORKING PRINCIPLE :
The shaking table separates minerals using:
- Reciprocating motion (back-and-forth stroke)
- Water flow across the inclined deck
Process Flow :
- Slurry feed enters the deck
- Water flows across the surface
- Motion causes stratification:
- Heavy particles ? move toward concentrate side
- Light particles ? move toward tailings
- Products are separated into:
- Concentrate
- Middlings
- Tailings
- Slimes
Key Concept :
- Separation based on:
- Density
- Particle size
- Motion dynamics on deck
PERFORMANCE ADVANTAGES :
- Produces high-grade concentrates
- Handles a wide range of particle sizes
- Effective for complex ores with mixed densities
- High throughput compared to lab-scale tables
- Reliable and widely used in industry
PROCESSING BEHAVIOR (IMPORTANT CONCEPT) :
Product Streams :
- Concentrate ? mostly heavy minerals
- Middlings ? mixed particles
- Tailings ? light waste
- Slimes ? very fine particles
Feed Preparation Options :
- Direct feed (natural size distribution)
- Sized feed (by screening)
- Classified feed (by hydraulic classification)
LIMITATIONS :
- Loss of very fine particles (slimes)
- Efficiency depends on:
- Feed size distribution
- Proper water control
- Operator skill
- May require additional circuits for middlings treatment
INSTALLATION & OPERATION NOTES :
Requirements :
- Stable base frame
- Adequate water supply
- Controlled feed rate
Operation Tips :
- Adjust tilt and stroke during operation
- Maintain proper pulp density
- Avoid overloading
Applications
Mineral Processing :
- Gold and precious metals
- Cassiterite (tin)
- Tantalum minerals
- Heavy minerals (chromite, etc.)
Industrial Uses :
- Final concentration stage in gravity circuits
- Cleaning of concentrates
- Processing of mixed or contaminated ores
- Recovery from scrap materials (e.g., electronic scrap)
Technical Specifications
Capacity :
- Throughput: up to ~450 kg/hour
Deck Dimensions :
- Deck size: approx. 887 mm × 2445 mm
- Total deck area: ~2.1 m²
Mechanical Parameters :
- Stroke length: ~8 – 16 mm (adjustable)
- Deck motion: diagonal vibration along full length
- Tilt: adjustable during operation
Power & Utilities :
- Motor: ~1.5 kW (3-phase)
- Voltage: 380–415 V
- Water requirement: 5 – 20 L/min
- Feed pulp density: ~25–30% solids
Features & Benefits
- High-capacity gravity separation system
- Efficient separation with ~1 SG unit difference
- Adjustable operating parameters:
- Stroke
- Tilt
- Water flow
- Self-lubricating motion system ? low maintenance
- Durable construction (wood + rubber deck surface)
- Wear-resistant components for long life
- Even feed distribution system
- Multiple discharge outlets (concentrate, middlings, tailings)
- Portable installation (mounted on base frame)
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