Cooling spray application to a turbine and exhaust region of a steam turbine
AssigneeSiemens Westinghouse Power Corporation
InventorLewis Gray
Life of this patent
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Abstract
A dual-fluid cooling spray device for use with a steam turbine. The steam turbine includes a casing, a plurality of rotating blades and a plurality of stationary vanes. The dual fluid spray device includes a nozzle adjacent to one row of rotating blades and/or stationary vanes, and a dual fluid housing assembly penetrating the casing and coupled to the nozzle. Both a steam pipe and a water pipe are coupled to the dual-fluid housing assembly.
Claims32
A dual-fluid cooling spray device for use with a steam turbine, said steam turbine including a casing, at least one row of rotating blades and at least one row of stationary vanes, said spray device comprising:
- at least one nozzle proximal to said at least one row of rotating blades and said at least one row of stationary vanes;
- a dual fluid housing assembly having a first inlet and a second inlet;
- said housing assembly penetrating said casing and coupled to said nozzle;
- a water pipe coupled to said dual-fluid housing assembly first inlet;
- a steam pipe coupled to said dual-fluid housing assembly second inlet;
- wherein a dual-fluid spray may be ejected proximal to said at least one row of rotating blades and said at least one row of stationary vanes.
A steam turbine comprising:
- a casing;
- at least one row of rotating blades;
- at least one row of stationary vanes;
- at least one nozzle adjacent to said at least one row of rotating blades and said at least one row of stationary vanes;
- at least one dual fluid inlet pipe assembly having a first inlet and a second inlet;
- said at least one dual fluid inlet pipe assembly penetrating said casing and coupled to said nozzle;
- a water pipe coupled to said dual-fluid inlet pipe assembly first inlet;
- a steam pipe coupled to said dual-fluid inlet pipe assembly second inlet;
- wherein a dual-fluid spray may be ejected proximal to said at least one row of rotating blades and said at least one row of stationary vanes.
Dependencies are inferred from the claim text.