F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
122/23
F02C 3/26 (2006.01) F22B 31/00 (2006.01) F23C 10/16 (2006.01)
Patent
CA 1304264
ABSTRACT A power plant burning a fuel at a pressure exceeding the atmos- pheric pressure. A combustor (12) is formed with cooled walls (14) which form a feed water preheater, A by-pass conduit (104) with a control valve (106) for draining feed water is connec- ted to a feed water conduit (82) between the feed water preheater (the combustor walls (14)) and an evaporator (66) in the com- bustor (12). This by-pass conduit (104) may be connected to a feed water tank (74). At very low load and in the case of a gas turbine trip, the necessary water flow for cooling the walls (14) of the combustor (12) may exceed the requirement of feed water to the evaporator (66). Under these operating con- ditions feed water may be drained off ahead of the evaporator (66) through said by-pass conduit (104). (Figure l)
588325
Abb Stal Ab
Ostman Sven-Olov
Robic
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