Pressurized waste wood furnace system
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United States of America Patent
Stats
-
Nov 18, 1980
Grant Date -
N/A
app pub date -
Oct 2, 1978
filing date -
Oct 2, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A forced draft fan creates within a furnace fuel cell a pressure which is high enough to provide a pressure gradient effective to force the combustion gases from the cell all the way to the dryer. The combustion gases are provided by waste wood products which are forced by a special feeding system into the fuel cell against the resistance of the relatively high air pressure within the cell, to create a burning pile. The feeding system blocks most of the smoke and combustion gases from back-feeding through the fuel passageway, and then removes the part that is not blocked. The combustion gases during the drying process become wet. A part of these wet gases are vented at the dryer but a recirculation fan effects the return of a portion to a blending chamber where they are mixed with hot combustion gases to be again directed to the dryer. The other portion of the wet gases is directed to the combustion chamber for augmenting its operation.
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