| 摘要 |
A novel aeration system is retrofitted into a grain bin with a discharge opening in the bottom. This grain bin may have a sloped or conical hopper or a flat bottom. The aeration system comprises a plurality of duct sections adapted to be connected together, each duct section having a flat outer surface, a flat inner surface narrower than the outer surface, and a pair of angled surfaces connecting the inner and outer surfaces, the duct sections each defining an internal air space. An air duct is connected to the aeration system to enable the aeration system to dry the grain in the grain bin. This technology enables existing grain bins to be retrofitted with a dryer in an easy and efficient manner.
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