Gravity separators
Precision density separation for cleaner, more consistent product
Hi-Cap Laboratory gravity separator
Models: 31
The user-friendly design of the laboratory compact separator integrates many of the top features and elements of larger Oliver machines for dynamic and efficient results. The Oliver Laboratory precision testing equipment consistently provides engineers with data necessary to accurately predict the expected outcomes of larger production setups in the seed, nut, lumber, mining and recycling industries.
Key features:
Processing up to 500 pounds per hour
Low noise
User-friendly design
Precise fan and eccentric speed control
Fast service and technical support from our USA plant
One-year warranty
How do Oliver Manufacturing gravity separators work?
Oliver Manufacturing’s gravity separator machines, commonly called Oliver gravity tables, divide heavier particles of material from lighter particles differing in their specific densities. On gravity separators, lighter particles are moved upward through the fluidized bed, and heavier particles sink downward. This air essentially makes the particles weigh themselves. The deck itself is tilted uphill and quickly shifting in a perpendicular eccentric motion. This allows the lighter particles to flow over the top of the heavier particles to the bottom of the deck while heavier particles are driven up and over the top. This process allows our gravity separators to separate both light and heavy contaminants from a product simultaneously.
The air, eccentric motion, deck tilt, end raise, and feed rate on an Oliver gravity separator are easily modified and can retain adjustment settings for multiple products. Adjustments to the air, motion, and tilt affect the quality of the separation, while the end raises, and feed rate affects capacity.
In the gravity separator stratification process, A shows mixed particles resting on the deck, B shows upward airflow fluidizing the material so lighter particles rise and heavier particles settle, and C shows air, deck tilt, and eccentric motion working together to separate particles by density.
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