System for reheat steam temperature control in circulating fluidized bed boilers

A steam generator having a fluidized bed combustion system that includes a fluidized bed combustor and at least one hot separator, includes a superheater and a reheater with at least first and second or final stages disposed in a flue gas pass with the superheater upstream of the final stage reheate...

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Bibliographische Detailangaben
Hauptverfasser:	KAURANEN, TIMO M, RASKIN, NEIL R, GOUNDER, PONNUSAMI K
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A steam generator having a fluidized bed combustion system that includes a fluidized bed combustor and at least one hot separator, includes a superheater and a reheater with at least first and second or final stages disposed in a flue gas pass with the superheater upstream of the final stage reheater has a cold steam bypass system for controlling the temperature of the second or final stage reheater by dividing reheat steam into selective first and second portions and directing the first portion to the first stage reheater and recombining said first and second portions and directing them through the second or final stage reheater.