公开(公告)号：US20140014295A1

公开(公告)日：2014-01-16

申请号：US14006019

申请日：2012-06-21

申请人： Ryuichi Umehara ,  Masatsugu Monde ,  Ryoichi Kawakami ,  Tomoya Nakagawa ,  Kazuo Hirota ,  Yoichi Iwamoto ,  Itaru Muroya

发明人： Ryuichi Umehara ,  Masatsugu Monde ,  Ryoichi Kawakami ,  Tomoya Nakagawa ,  Kazuo Hirota ,  Yoichi Iwamoto ,  Itaru Muroya

IPC分类号： F22B37/20 ,  F28D1/047

CPC分类号： F22B37/206 ,  F22B1/025 ,  F28D1/0475 ,  F28D7/1638 ,  F28D2021/0054 ,  F28D2021/0064 ,  F28F9/013 ,  F28F2225/04 ,  F28F2265/00 ,  F28F2265/30

摘要： A steam generator includes: an annular member (21) that surrounds a U-bent portion (18) obtained by collectively disposing bent portions of a plurality of heat transfer tubes and is provided between an outer peripheral portion of the U-bent portion (18) and a tube bundle shroud (3) surrounding the outer peripheral portion so as to have a predetermined gap with respect to the U-bent portion (18); a second support member (22) that is provided between the annular member (21) and the tube bundle shroud (3); and a third support member (23) that is attached to a cylinder portion (2) accommodating a plurality of heat transfer tubes and supports the second support member (22).

摘要翻译： 蒸汽发生器包括：围绕通过共同设置多个传热管的弯曲部分而获得的U形弯曲部分（18）的环形构件（21），并且设置在U形弯曲部分（18）的外周部分 ）和围绕所述外周部分以相对于所述U形弯曲部分（18）具有预定间隙的管束护罩（3）; 设置在环状构件（21）和管束罩（3）之间的第二支撑构件（22）; 以及附接到容纳多个传热管并且支撑所述第二支撑构件（22）的筒部（2）的第三支撑构件（23）。