Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Reexamination Certificate
2006-01-18
2010-11-16
Rodríguez, William H (Department: 3741)
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
C060S773000
Reexamination Certificate
active
07832191
ABSTRACT:
A gasification unit provided with a gasification furnace23to produce fuel gas production is provided. A combined power generation unit25which generates power by rotating a gas turbine and a steam turbine using fuel gas produced in the gasification unit is provided. The combined power generation unit25is made operable while fuel change over between fuel gas and an auxiliary fuel as the fuel. A control system is provided in which the degree of opening of a control valve37for a flare stack28provided in a fuel gas feed line is controlled depending upon the pressure of the fuel gas from the gasification unit when fuel change over from the fuel gas to the auxiliary fuel so as to allow the fuel gas supplied to the combined power generation unit25to gradually flare from a flare stack28until a flared status that total amount of the fuel gas is reached.
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Furusako Tatsuo
Kozaki Yasuo
Mishima Shunsuke
Miyata Hiroyuki
Osakabe Michihiro
JGC Corporation
Leason Ellis LLP
Rodríguez William H
Wongwian Phutthiwat
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