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Upgrade Package for Biomass Above Grade Receiving Hoppers
Airoflex Above Grade Biomass Receiving Hopper

Airoflex Equipment’s above grade hoppers are designed to receive and reclaim large volumes of bulk materials such as wood chips, bark and other similar materials. Our design eliminates the need for a high maintenance pit and extensive civil work.

Airoflex’ bolted hopper design minimizes the need for field welding which results in lower installation costs. With safe operation and continued maintenance practices, our robust hoppers are engineered to have many years of trouble free operation and lower lifetime operational costs.

The standard Airoflex above grade hopper is designed to integrate with our extended arm truck or trailer dumper. To best suit our customer’s needs, Airoflex can configure a hopper using our modular accessories to suit any number of receiving applications, thus our standard hopper can be upgraded to handle the complex nature of biomass fuel supply.

• Can be upgraded to handle biomass with various modular accessories
• Above grade application
• Bolted connections for minimal field welding
- Multiple strand drag chain
- Full live bottom design
- Vertical walls

• Capacity: single wide - 3,500-6,000 cu/ft
• Typical Material Output: 150 -250 TPH

• Hydraulic operated metering gates
• Reversible head shaft can be reversed as drag chain sprockets wear
• Platforms and stairs
• AR Material floor
• Single and double spike back rolls
• VFD capable motor and controls
• TIVAR liner
• Dust suppression and containment
• Customer specified coating system

Upgraded / Biomass Hopper Body
• Above Grade Hoppers offered in 4500 and 6000 cu ft capacities
• 12’6” inside width, incline of 15 degrees, wall height is 15’3”
• Full live bottom with 6 strands of WDH480 chain
• Biomass duty tail shaft with 5 7/16” diameter bearings and shafts
• Tail speed sensor for detecting drag chain stall, bearing maintenance, etc.
• Floating head and tail shaft TIVAR seals
• Formed steel panel return guards
• Upgrade options for walls to 1/4” AR400 steel
• Upgrade options for floor and return floor to 3/8” mild or 1/4” AR400 steel
• Return chain guards

Upgraded / Biomass Hopper Head
• Rear mounted drive with larger access platform
• Heavy head shaft with 9” diameter reversible shafts/bearings
• US-5042 5” pitch drive chain and sprockets
• Dual spike rolls
• Removable head hood with two inspection doors
• Access platform stairs
• Chain strippers
• Hopper outlet chute

Airoflex Biomass Hopper Updgrade Illustrations

Airoflex Equipment - A Division of Hoffmann Inc. About Airoflex Divisions of Hoffmann Inc.

Airoflex Equipment
6001 49th Street South
Muscatine, Iowa 52761

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