Heating – With heating gas conveying – agitating – scattering or...
Patent
1981-02-02
1982-11-23
Yuen, Henry C.
Heating
With heating gas conveying, agitating, scattering or...
110244, 110245, 122 4D, 122367PF, 431170, 16510416, F27B 1500, F23D 1318
Patent
active
043603394
ABSTRACT:
A fluidized bed call (10) having a static ignition bed (18) of inert heat storage particles (50) disposed immediately beneath and adjacent to a fluidizing region (44) wherein fuel particles are combusted, characterized in that the heat storage particles (50) are generally spherical in shape, each particle having a plurality of protuberances (52) extending outwardly from the surface of the particle a preselected length thereby maintaining a minimum spacing, equal to the preselected length of the protuberances, between neighboring spherical particles within the static ignition bed thereby ensuring that sufficient void space (54) exists within the static ignition bed for the fluidizing air to flow upward through the static ignition bed into the fluidizing region without an excessive pressure drop and for the fuel particles to laterally penetrate the static ignition bed.
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Combustion Engineering Inc.
Habelt William W.
Yuen Henry C.
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