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Hydraulic Door For Grain Storage
Tom Revier, Revier Cattle Co., Olivia, Minn.: Revier installed a new kind of hydraulic door from Schweiss Doors, the company that made bi-fold doors famous (ph 800-746-8273; www.bifold.com). It’s the first of a new line of doors that are built and designed specifically for grain storage.
  Revier runs a beef operation with feedlot capacity of about 16,000 head. He recently put up a big 120 by 200-ft. feed storage building. Concrete walls 16 ft. tall wrap around all 4 sides of the huge structure, which holds nearly 1 million bushels of corn. A Schweiss hydraulic, reinforced steel door measuring 15 1/2 ft. wide by 15 ft. tall is located at each end.
  Each door contains a 54-in. wide by 44-in. tall steel slider door, which lets the grain pour out for augering into feed trucks. Once enough grain has been emptied out, the big hydraulic door can then be safely opened and a front-end loader used to load directly into feed wagons.
  “The doors provide containment for the grain without any loss of space, plus once we get enough grain out of either end of the structure, we can then drive in with our power scoops to load directly into our feeding wagons,” says Revier.
  The hydraulic doors were built to withstand the weight of thousands of pounds of shelled corn trying to push them open. They’re constructed with 3/4-in. steel welded into a framework of 8-in. beams. Each door weighs about 2,500 lbs. It takes “oversize” pistons to lift such a heavy door.
  To make certain there is zero leakage with several thousand pounds of shelled corn piled against the doors, 4 long steel pegs drop into the concrete footing at the bottom edge plus 2 steel pegs on each edge lock into the steel I-beam framework of each door.
  “I think many country elevators using flat storage could use this idea. No moving bunker walls and easy access once you open the doors. No grain loss, no storage loss. It’s perfect.”

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2014 - Volume #38, Issue #5