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1. 发明申请

WO1997004460A1 DEPRESSURIZATION SYSTEM FOR PRESSURIZED STEAM OPERATED PLANT 审中-公开
标题翻译：用于加压蒸汽运行的设备的减压系统
公开(公告)号：WO1997004460A1
公开(公告)日：1997-02-06
申请号：PCT/EP1996003127
申请日：1996-07-16
申请人： FINMECCANICA S.p.A. AZIENDA ANSALDO , MANSANI, Luigi , SAIU, Gianfranco , ALEMBERTI, Alessandro , BARUCCA, Luciana
发明人： FINMECCANICA S.p.A. AZIENDA ANSALDO
IPC分类号： G21C09/004
CPC分类号： G21C9/004 , G21Y2002/201 , G21Y2002/202 , G21Y2002/50 , G21Y2004/302 , G21Y2004/402 , Y02E30/40
摘要： A depressurization system (1) for pressurized steam operated plant employing injection of cold water contained in a superelevated tank (5), said injection being triggered rapidly and in a manner independent of the magnitude of the damage and of the presence of incondensible gases, by means of a natural circulation of steam in a closed loop of pipes (19, 20, 21, 22) around said plant (2, 3, 4), caused by the condensation of steam in a condenser (10), placed on said pipes, during the occurence of an accident, comprises a first siphon-type hydraulic shutoff (32), on said pipe loop (19, 20, 21, 22) and arranged close to the inlet collector (14) of said condenser (10), a second siphon-type hydraulic shutoff (29), on the cold water delivery pipe (26) and placed close to the pressurized steam operated plant (2, 3, 4), said second siphon-type hydraulic shutoff (29) being below said first siphon-type hydraulic shutoff (32).
摘要翻译：一种用于加压蒸汽操作的设备的减压系统（1），其使用注入超高压罐（5）中的冷水，所述喷射被快速触发，并且以与破坏程度和不可冷凝气体的存在无关的方式，通过在由冷凝器（10）中的蒸汽冷凝引起的围绕所述设备（2,3,4）的管道（19,20,21,22）的闭环中的蒸汽的自然循环的装置，其被放置在所述管道在事故发生期间，包括在所述管道回路（19,20,21,22）上的第一虹吸式液压关闭（32）并且靠近所述冷凝器（10）的入口收集器（14）布置，第二虹吸式液压关闭装置（29），位于冷水输送管道（26）上并靠近加压蒸汽操作设备（2,3,4）放置，所述第二虹吸式液压关闭装置（29）位于所述第一个虹吸式液压关闭（32）。

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