Apparatus to reduce or eliminate combustor perimeter wall erosion in fluidized bed boilers or reactors
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United States of America Patent
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Aug 31, 1993
Grant Date -
N/A
app pub date -
Nov 13, 1991
filing date -
Nov 13, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluidized bed boiler or reactor comprising a housing, a reaction (furnace) chamber within the housing, air distribution means within the reaction chamber, a plurality of perimeter walls approximately vertically disposed and arranged about the interior walls of the housing so as to define the reaction chamber, wherein the improvement comprises: providing at least a portion of the vertically disposed perimeter walls with an outward slope sufficient to reduce or eliminate erosion of the perimeter walls caused by impact from entrained solid particles contained within the reaction chamber.
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