Furnaces – Process – Burning pulverized fuel
Patent
1988-08-16
1991-05-14
Warden, Robert J.
Furnaces
Process
Burning pulverized fuel
34 57A, 110229, 110245, 122 4D, 422143, 422311, 431 7, 431170, F23D 100, F27B 1502, B01J 818
Patent
active
050146327
ABSTRACT:
The grid plate is disposed between the fluidized bed reactor chamber and an underlying wind box and includes a plurality of nozzles for feeding fluidizing gas from the wind box into the reaction chamber. The nozzles are configured to afford different pressure drops across the grid such that with increasing pressure, additional nozzles are actuated in response to increasing pressure differences across the plate whereby fluidized bed start-up and steady state operating conditions may be facilitated.
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A. Ahlstrom Corporation
Santiago Amalia
Warden Robert J.
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