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To achieve the
highest capacity drying with a Shivvers Circu-Lator, large diameter
bins are a necessity. In dryer bins 42 foot and 48 foot diameter,
capacities of up to 835 bushels per hour can be achieved, with
sufficient fans and heaters. In order to fill this necessity,
Shivvers has designed, built
 and
tested the Hi-Torque Circu-Lator.
For large
diameter drying bins, 42 foot and 48 foot diameter, the amount of
torque required to start the Circu-Lator with grain in the bin is
increased due to the longer length and larger diameter flite of the
Ultra High Capacity tapered sweep augers. These sweeps can remove
835 bushels per hour as compared to standard Performance Systems
with High Capacity Sweep Augers at 555 bushels per hour. In order to
assure the starting of a Circu-Lator of this size, Shivvers has
designed a drive head, driven by two 10 HP motors, that is capable
of producing twice the torque that one 10 HP motor is able to
produce. The Hi-Torque Circu-Lator is a real workhorse for ultra
high capacity grain drying.
The Hi-Torque
Circu-Lator operates in much the same way as the standard
Circu-Lator II. It has been designed heavier duty with an oversized
1 ¼” Drive Shaft and 1 ¼” double keyed shafts in the gearbox. The
Ultra High Capacity Tapered Sweep Augers and Center Vertical
Flighting are hard surfaced to withstand the wear of drying hundreds
of thousands of bushels of grain.
The Center
Vertical Auger has been redesigned with double flighting and a
larger “wide spread head” allowing the grain to be thrown out to the
sidewall in the larger diameter bins. Also available is a High Angle
Transfer Auger Boot that angles as much as 60°. This provides
opportunity to transfer into much taller bins that are generally
utilized when drying massive amounts of grain.
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