公开(公告)号：US06324829B1

公开(公告)日：2001-12-04

申请号：US09237845

申请日：1999-01-27

申请人： Yoshiyuki Kita ,  Tomoka Tanaka ,  Yasuhiro Hashimoto ,  Masayuki Takahama ,  Jun Yasuraoka ,  Hidetoshi Iida ,  Koichi Akagi ,  Hideki Haruta

发明人： Yoshiyuki Kita ,  Tomoka Tanaka ,  Yasuhiro Hashimoto ,  Masayuki Takahama ,  Jun Yasuraoka ,  Hidetoshi Iida ,  Koichi Akagi ,  Hideki Haruta

IPC分类号： F02C600

CPC分类号： F01K23/108 ,  Y02E20/16 ,  Y02P80/152

摘要： A gas turbine steam cooled system has a high temperature portion 8 outlet steam temperature maintained to a predetermined value without a cooling steam pressure becoming lower than the pressure in the gas turbine cylinder. Steam coming from an intermediate pressure superheater 10 of a waste heat recovery boiler 2 is led into the high temperature portion 8 of the gas turbine for cooling thereof. The temperature of the cooling steam at the outlet of the high temperature portion 8 is detected by a high temperature portion outlet steam temperature detector 15, and a signal thereof is sent a lower value selector 19 via a temperature controller 11. Pressure in the gas turbine cylinder is detected by a gas turbine cylinder pressure detector 17, and pressure of the cooling steam at the high temperature portion 8 outlet is detected by a high temperature portion outlet steam pressure detector 16. A differential signal thereof is sent to a pressure controller 18. Signals from the temperature controller 11 and the pressure controller 18 are inputted into the lower selector 19, and temperature control valve 12 is controlled by the lower value thereof to be opened and closed.

摘要翻译： 燃气轮机蒸汽冷却系统具有保持预定值的高温部分8出口蒸汽温度，而冷却蒸汽压力变得低于燃气轮机气缸中的压力。 来自废热回收锅炉2的中压过热器10的蒸汽被引入燃气轮机的高温部8，以进行冷却。 高温部分8出口处的冷却蒸汽的温度由高温部分出口蒸气温度检测器15检测，其信号通过温度控制器11送到低值选择器19.燃气轮机中的压力 气缸由燃气轮机气缸压力检测器17检测，高温部分8出口处的冷却蒸汽的压力由高温部分出口蒸汽压力检测器16检测。其差分信号被发送到压力控制器18。 来自温度控制器11和压力控制器18的信号被输入到下部选择器19中，并且温度控制阀12被其较低的值控制为打开和关闭。