Importance

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Abstract

A dryer for drying material, comprising a conveyer for conveying the material between an inlet and an outlet of the dryer, and a duct for carrying hot fluid fluidly isolated from the material. The duct extends adjacent to the conveyer from a first side of the conveyer to a second side of the conveyer opposed thereto to heat the material from both sides. A plurality of belt conveyers vertically stacked and partially horizontally staggered to sequentially convey material to be dried along a zigzag material path. A duct conveying hot fluid therein extends adjacent to the plurality of belt conveyers defining the zigzag material path to form a zigzag flow path for transferring heat to the material from above and below without contact with the material. The dryer is hermetically sealed, as are the plurality of belt conveyers from the duct.

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First Claim