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Bulk Material
Handling Systems

Dust Explosion
Prevention

Dust Control

Mobile Units

Heat Exchange
with Olds Elevators

Gentle Handling
Dust-Free Elevation

Dense Abrasives

Volumetric
Feeders

Pneumatics versus
Olds Elevators

Pneumatic versus Olds Elevators

Pneumatic conveying of bulk materials can accomplished by one of two basic methods: Dilute Phase or Dense Phase. In dilute phase the material is conveyed in suspension in a gas, usually air. The particles of the bulk material are aerated and moved through the conveyor pipeline until the discharge point. The conveying air must be handled, along with dust, by a filter / receiver at the discharge point.

Pneumatic Conveying System, Volumetric Feeders

Checklist of OLDS ELEVATOR™ and Pneumatic Conveying System Performance Features

OLDS ELEVATOR™	Comparison Capabilities	Pneumatic Conveyor
Yes	Convey Product at 90° Elevation	Yes
Yes	Convey Product at 45° Elevation	Yes
No	Convey Product at 0° Elevation	Yes
Yes	Volumetric Flow Control	No
Yes	Gentle Handling	No
Yes	Dust Minimization	No
Yes	Explosion Risk Reduction	No
Yes	Footprint Minimization	No
Yes	Low Maintenance	No
Yes	Product Feed at Lowest Level	No
Yes	Quiet Operation	No
Yes	Variable Flow Rate	No
Yes	Minimize Product Segregation	No
Yes	Non-Pulsating Discharge	No
Yes	Multiple Discharges Possible (without valves)	No
Yes	Mobile Option	No

Dense Phase pneumatic conveying does not aerate the material but moves the material in “slugs” through the conveyor pipeline. Dense phase conveying is considered to be less harmful to fragile material than dilute phase conveying.

Pneumatic conveying has many advantages over mechanical conveying, namely the ability to convey vertically, horizontally, inclined and around corners with the same system. Disadvantages include high power consumption, wear of the conveying lines (particularly the elbows) and the need for air and dust handling systems at material discharge points.

Most materials that are conveyed pneumatically can be elevated in an OLDS ELEVATOR™. The power consumption to vertically elevate material is generally much less in an OLDS ELEVATOR™ than a pneumatic conveyor, particularly with dense materials (100 - 300 lbs./cu/ft/). OLDS ELEVATORS™ do not need to have dust and air handling systems attached to their discharge points.

Engineering and Support

Free Video Taped Test
Materials Handled
Performance Features
Standard Configurations
Test Laboratory

OLDS ELEVATOR™ LLC
12 B Park Ave.
Hudson, NH 03051

Call 603.882.8899
Fax 603.882.8855

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OLDS ELEVATOR™
Advantages
1. Olds Elevator Innovative
Material Elevation

No Segregation
No Breakage
No DustMore…

Dissatisfied by conventional methods with bucket elevators, screw elevators, pneumatic conveyors and inclined belt conveyors? OLDS ELEVATOR™ has
developed a radical concept that overcomes all the obstacles of elevating while providing engineering design, elevator manufacturing, installation and service.
MA, Massachusetts, NH, New Hampshire, CT, Connecticut, RI, Rhode Island, VT, Vermont, ME, Maine, New England and all of the United States and Canada