Cooling device of steam turbine

Details Cooling device of steam turbine Cooling device of steam turbine

F - Mech Eng,Light,Heat,Weapons

01

K

60/51

F01K 7/22 (2006.01) F01D 25/14 (2006.01) F01D 25/26 (2006.01) F01K 7/40 (2006.01) F01K 13/00 (2006.01)

Patent

CA 1204292

ABSTRACT OF THE DISCLOSURE A cooling device of a steam turbine of superhigh temperature and pressure wherein a portion of boiler feedwater is supplied, after having been heated by means of high pressure feedwater heaters, for cooling a casing of the turbine to a cooling fluid passage for the casing as a cooling fluid satisfying the temperature and pressure conditions necessary for effecting cooling of the casing, by means of booster pump and a rege- nerating heat exchanger. After cooling the casing, the cooling fluid is returned to a boiler feedwater system following heat exchange with a cooling fluid for cooling the casing.

421747

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