WOOD MATERIAL DRYING PLANT COMPRISING A ROTARY DRYER
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United States of America Patent
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Issued Date -
Mar 10, 2011
app pub date -
Aug 17, 2010
filing date -
Sep 7, 2009
priority date (Note) -
Abandoned
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Abstract
A wood material drying plant including a heater for generating a hot drying gas, a rotary dryer for bringing the hot drying gas into contact with the wood material to be dried, a wood particle separating unit being operative for separating entrained wood particles from the spent drying gas, and a gas cleaning system for removing pollutants from the spent drying gas. The wood material drying plant is provided with a heating gas duct which is operative for forwarding a gas portion to a mixing position located between the rotating drum of the rotary dryer and the wood particle separating unit, said gas portion having a higher temperature than the spent drying gas, and for mixing said gas portion with said spent drying gas, such that the temperature of the spent drying gas is increased.
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