F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
257/2
F28D 13/00 (2006.01) F22D 11/00 (2006.01)
Patent
CA 2017670
ABSTRACT OF THE DISCLOSURE A system for protecting components including the heat exchangers of a fluidized bed boiler against thermal mismatch. The system includes an injection tank containing an emergency supply of heated and pressurized feedwater. A heater is associated with the injection tank to maintain the temperature of the feedwater in the tank at or about the same temperature as that of the feedwater in the heat exchangers. A pressurized gas is supplied to the injection tank to cause feedwater to flow from the injection tank to the heat exchangers during thermal mismatch.
Crispin Larry G.
Weitzel Paul S.
Babcock & Wilcox Company The
Ridout & Maybee Llp
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