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1. 发明申请

US20020062639A1 Steam cooling apparatus for gas turbine 有权
标题翻译：燃气轮机蒸汽冷却装置
公开(公告)号：US20020062639A1
公开(公告)日：2002-05-30
申请号：US09994756
申请日：2001-11-28
申请人： MITSUBISHI HEAVY INDUSTRIES, LTD
发明人： Tomoko Tanaka , Koji Hiramoto , Yoshiyuki Kita
IPC分类号： F02C006/18
CPC分类号： F01K23/108 , F02C7/16 , F05D2260/2322 , Y02E20/16
摘要： An apparatus and method for steam cooling a gas turbine. An intermediate-pressure drum 106 of a recovery boiler supplies outlet steam, as a cooling steam, to a combustor 117 through a steam channel 116. The flow rate of steam guided into the combustor 117 is adjusted through opening or closing of a first flow control valve 120 by a controller 125 such that the pressure of the intermediate-pressure drum 106 becomes a set value set according to a load status of a gas turbine 101. A required amount of steam according to the load status of the gas turbine 101 is fed to the combustor 117. Thus, the flow rate of steam guided into the combustor 117 is controlled by adjustment of the existing first flow control valve 120 for maintaining the pressure of the intermediate-pressure drum 106 in a predetermined state, without the need to provide an expensive valve device in the steam channel 116.
摘要翻译：一种蒸汽冷却燃气轮机的装置和方法。回收锅炉的中压鼓106通过蒸汽通道116将作为冷却蒸汽的出口蒸汽供给到燃烧器117.通过打开或关闭第一流量控制器来调节被引导到燃烧器117中的蒸汽的流速通过控制器125使得中压鼓106的压力变为根据燃气轮机101的负载状态设定的设定值。根据燃气轮机101的负载状态来供给所需量的蒸汽因此，通过调节现有的第一流量控制阀120来控制引导到燃烧器117中的蒸汽的流量，以便将中间压力鼓106的压力保持在预定状态，而不需要提供蒸汽通道116中昂贵的阀装置。

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