| 摘要 |
A grain storage system for protecting and aerating a mass of stored grain comprises a floor enclosed by perforated sheet metal sidewalls which are supported on a series of support trusses and project outwardly at an angle from the periphery of the floor. A mass of stored grain rests on the floor. A first set of perforated aeration ducts extend across the floor, at the bottom of the grain mass, and a second set of perforated aeration ducts extend across the top of the grain mass, the grain and the second set of ducts being covered by a tarpaulin secured to the sidewalls. Fans are connected to one set of the ducts to circulate air through both sets of ducts and through the sidewalls; the two sets of aeration ducts are staggered with respect to one another so that air circulates throughout the entire grain mass.
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