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公开(公告)号：US20100018688A1
公开(公告)日：2010-01-28
申请号：US12180478
申请日：2008-07-25
CPC分类号： F22B37/002 , F22B37/205 , F22B37/206 , F22B37/66 , F28D7/1607 , F28F9/00 , F28F9/0131 , F28F9/22 , F28F2009/224 , F28F2265/26 , Y10T29/4935 , Y10T29/49373
摘要： Method and apparatus in a steam generator that employs tube support plates within a shroud that is in turn disposed within a shell. The tube support plates are made of a material having a coefficient of thermal expansion lower than that of the shroud. The tube support plates are aligned during fabrication, with minimal clearances between components. Using a tube support displacement system, a controlled misalignment is then imposed on one or more tube support plates, as the steam generator heats up. Displacement to produce misalignment is produced only when the steam generator is heated. The tube support plate displacement system has only one part, a push rod, which is internal to the steam generator shroud, thereby minimizing the potential of loose parts. The tube support plate displacement system can be used to provide controlled misalignments on one or more tube support plates, in the same or varying amounts and directions, and with one or more apparatus being provided for any individual tube support plate.
摘要翻译： 一种蒸汽发生器中的方法和装置，该蒸汽发生器采用在护罩内的管支撑板，该护罩又设置在外壳内。 管支撑板由热膨胀系数低于护罩的材料制成。 管制支撑板在制造过程中对准，部件之间的间隙最小。 使用管支撑位移系统，随着蒸汽发生器加热，受控的未对准被施加在一个或多个管支撑板上。 仅当蒸汽发生器被加热时才产生位移以产生不对准。 管支撑板位移系统只有一部分是一个推杆，该推杆位于蒸汽发生器护罩的内部，从而使松动部件的潜力最小化。 管支撑板位移系统可以用于以相同或变化的量和方向在一个或多个管支撑板上提供受控的对准，并且为一个或多个装置提供用于任何单独的管支撑板。
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公开(公告)号：US08572847B2
公开(公告)日：2013-11-05
申请号：US12180478
申请日：2008-07-25
CPC分类号： F22B37/002 , F22B37/205 , F22B37/206 , F22B37/66 , F28D7/1607 , F28F9/00 , F28F9/0131 , F28F9/22 , F28F2009/224 , F28F2265/26 , Y10T29/4935 , Y10T29/49373
摘要： Method and apparatus in a steam generator that employs tube support plates within a shroud that is in turn disposed within a shell. The tube support plates are made of a material having a coefficient of thermal expansion lower than that of the shroud. The tube support plates are aligned during fabrication, with minimal clearances between components. Using a tube support displacement system, a controlled misalignment is then imposed on one or more tube support plates, as the steam generator heats up. Displacement to produce misalignment is produced only when the steam generator is heated. The tube support plate displacement system has only one part, a push rod, which is internal to the steam generator shroud, thereby minimizing the potential of loose parts. The tube support plate displacement system can be used to provide controlled misalignments on one or more tube support plates, in the same or varying amounts and directions, and with one or more apparatus being provided for any individual tube support plate.
摘要翻译： 一种蒸汽发生器中的方法和装置，该蒸汽发生器采用在护罩内的管支撑板，该护罩又设置在外壳内。 管支撑板由热膨胀系数低于护罩的材料制成。 管制支撑板在制造过程中对准，部件之间的间隙最小。 使用管支撑位移系统，随着蒸汽发生器加热，受控的未对准被施加在一个或多个管支撑板上。 仅当蒸汽发生器被加热时才产生位移以产生不对准。 管支撑板位移系统只有一部分是一个推杆，该推杆位于蒸汽发生器护罩的内部，从而使松动部件的潜力最小化。 管支撑板位移系统可以用于以相同或变化的量和方向在一个或多个管支撑板上提供受控的对准，并且为一个或多个装置提供用于任何单独的管支撑板。
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