System and method of cooling steam turbines

Details System and method of cooling steam turbines System and method of cooling steam turbines

2005-05-31

2005-05-31

Denion, Thomas (Department: 3748)

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

C060S657000, C060S658000, C060S806000, C060S912000, C060S039182, C415S116000, C415S180000

Reexamination Certificate

active

06898935

ABSTRACT:
A system and method of cooling a steam turbine having internal moving components to a predetermined temperature by controlling a flow of nitrogen through the turbine, thus decreasing the downtime associated with maintaining the turbine. This provides a more efficient and cost effective method of operating a power plant.

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patent: 6233937 (2001-05-01), Gray
patent: 6487863 (2002-12-01), Chen et al.
Praxair Technology, Inc., “Nitrogen Services Purging, displacing, blanketing, drying, cooling, heating, pressure testing, leak testing—and more—with 99.9% pure nitrogen gas,” 1998.
North American Electric Reliability Council, “Reliability Assessment 2002-2011 The Reliability of Bulk Electric Systems in North America,” Oct. 2002.

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