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    • 93. 发明专利
    • 湿分分離加熱器の運用方法、湿分分離加熱器制御装置および蒸気タービンシステム
    • 湿度分离加热器应用方法,水分离加热器控制装置和蒸汽涡轮机系统
    • JP2014202134A
    • 2014-10-27
    • JP2013079205
    • 2013-04-05
    • 株式会社東芝Toshiba Corp
    • OKAMOTO YASUAKI
    • F01K7/24F22G3/00F22G5/14
    • 【課題】湿分分離加熱器および低圧タービンの健全性を確保しつつ、プラントの稼働率の向上を図る。【解決手段】実施形態によれば、複数の湿分分離加熱器の運用方法は、第1および第2の湿分分離加熱器を含む系において、第1の湿分分離加熱器における異常発生加熱器隔離ステップS1100および隣接加熱器隔離ステップS1300を有する。また、複数の湿分分離加熱器の運用方法は、第2の湿分分離加熱器における別MSH加熱器隔離ステップS1500および別MSH隣接加熱器隔離ステップS1700を有する。それぞれのステップは、それぞれの流路における第2の加熱器への加熱蒸気を供給した状態で、第1の加熱器への加熱蒸気の供給を停止するステップを有する。【選択図】図1
    • 要解决的问题:为了提高设备的可用性,同时保持湿度分离加热器和低压涡轮机的良好性。解决方案:根据优选实施例,用于多个水分分离加热器的施加方法具有用于分离的步骤S1100 在第一湿度分离加热器处的异常状态发生加热器和用于在包括第一和第二湿度分离加热器的系统中分离邻接的加热器的步骤S1300。 此外,多个湿度分离加热器的涂布方法具有用于分离第二湿度分离加热器中的另一个MSH加热器的步骤S1500和用于分离另一MSH相邻加热器的步骤S1700。 每个步骤具有在每个流动通道中向第二加热器供应加热蒸汽的状态下停止向第一加热器供应加热蒸汽的步骤。
    • 98. 发明专利
    • AUXILIARY STEAM EQUIPMENT OF NATURAL CIRCULATION BOILER
    • JPH09303710A
    • 1997-11-28
    • JP14357596
    • 1996-05-14
    • ISHIKAWAJIMA HARIMA HEAVY IND
    • KOBAYASHI SHIGEMI
    • F22D1/32F22G5/14
    • PROBLEM TO BE SOLVED: To enable easy lowering of the temperature of superheater outlet steam by cooling to the demanded upper limit temperature of auxiliary steam by a simple construction. SOLUTION: This equipment is so constructed that superheater outlet steam 17 of a superheater 10 provided in a natural circulation boiler 1 is supplied as auxiliary steam 17a to a preheating device H of the natural circulation boiler 1 through a superheated auxiliary steam pipe 18 equipped with a pressure reducing orifice 19 (or a pressure reducing valve). A saturated steam mixing pipe 35 so designed as to take out saturated steam 3a of a drum 3 of the natural. circulation boiler 1 and to make it join the superheated auxiliary stem pipe 18 is provided and a temperature detector 36 is disposed on the downstream side of the pressure reducing orifice 19 in the superheated auxiliary steam pipe 18. Moreover, a flow control valve 37 provided for the saturated steam mixing pipe 35 regulates the flow rate of the saturated steam 3a on the basis of a detected temperature of the temperature detector 36.
    • 99. 发明专利
    • BOILER
    • JPH04177002A
    • 1992-06-24
    • JP30292790
    • 1990-11-08
    • BABCOCK HITACHI KK
    • TAKADA SHIGENOBUKATSUMURA SHINICHIROISHIHARA MASAHIKO
    • F22B37/00F22G5/14
    • PURPOSE:To prevent drain from being generated in the main steam by controlling the temperature of the superheated steam to a specified temperature by making the superheated steam exchange heat with saturated water. CONSTITUTION:During the operation of a boiler a stop valve 10 at the inlet of steam of a hot boiler and a stop valve 12 at the outlet of steam of the hot boiler are respectively closed, stop valves 14 and 16 of the steam communicating pipe are both opened, part of the steam in a main steam pipe 5 which is heated by a heater 4 and the temperature of which is raised too high is led to a heat transfer pipe 9 through the steam communicating pipe 15 and the steam pipe 11 of the hot boiler, and the temperature of the steam is lowered by making the steam exchange heat with the boiler water in the water cylinder 1 through the heat transfer pipe 9. The steam the temperature of which is lowered is returned to the main steam pipe 5 through the steam pipe 13 and the steam communicating pipe 17 of the hot boiler. And, the main steam which is sent directly through a main steam temperature adjusting valve 18 and the temperature of which is not lowered and the steam the temperature of which is lowered are mixed and the temperature of the main steam as a whole is lowered. The temperature of the main steam the temperature of which is lowered is detected by a main steam temperature adjusting device 7 and the degree of opening of the main steam temperature adjusting valve 18 is so controlled as to bring the temperature of the mains steam to a specified temperature.