Cooling spray application to a turbine and exhaust region of a steam turbine

摘要

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.