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公开(公告)号：US5272733A
公开(公告)日：1993-12-21
申请号：US723330
申请日：1991-06-28
申请人： Satoko Tajima , Shinichi Ishizato , Yoshie Hayashi
发明人： Satoko Tajima , Shinichi Ishizato , Yoshie Hayashi
CPC分类号： G21C7/16 , B01D61/14 , B01D65/02 , B01D2321/04 , B01D2321/185 , G21Y2002/201 , G21Y2004/30 , Y02E30/39
摘要： A control rod driving hydraulic system of a control rod driving system of a nuclear power plant, in utilization of condensate as a control rod driving water comprises a water pressure control unit arranged for each control rod and a water pressure supply unit for commonly supplying water pressure to all control rods. The water pressure supply unit comprising a pump mechanism operatively connected to a condensate supply source for driving the control rod driving water, a filter mechanism operatively connected to the condensate supply source and the pump mechanism for filtering the condensate as the control rod driving water, a valve unit for regulating quantity of flow of the control rod driving water, and a valve unit for regulating pressure thereof. The filter mechanism including at least one hollow fiber filter unit for purifying the control rod driving water. The hollow fiber filter unit includes a backwash regeneration equipment. The filter mechanism includes a suction filter unit and a driving water filter unit, the suction filter unit being connected to the condensate supply unit, the driving water filter unit being connected to the suction filter unit through the pump mechanism and connected to the flow quantity regulating mechanism and the suction filter unit or the driving water filter unit is substituted with the hollow fiber filter unit.
摘要翻译： 利用冷凝水作为控制杆驱动水的核电站的控制杆驱动系统的控制杆驱动液压系统包括：为每个控制杆设置的水压控制单元和用于共同供水压力的水压供给单元 到所有控制棒。 所述水压供给单元包括可操作地连接到用于驱动所述控制杆驱动水的冷凝物供应源的泵机构，与所述冷凝物供应源可操作地连接的过滤器机构和用于过滤作为所述控制杆驱动水的冷凝物的泵机构， 用于调节控制杆驱动水的流量的阀单元和用于调节其压力的阀单元。 该过滤机构包括至少一个用于净化控制杆驱动水的中空纤维过滤器单元。 中空纤维过滤器单元包括反冲洗再生设备。 过滤机构包括吸入过滤器单元和驱动水过滤器单元，吸入过滤器单元连接到冷凝水供应单元，驱动水过滤器单元通过泵机构连接到吸入过滤器单元，并连接到流量调节 机构和抽吸过滤器单元或驱动水过滤器单元被中空纤维过滤器单元代替。
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公开(公告)号：US08442180B2
公开(公告)日：2013-05-14
申请号：US11410912
申请日：2006-04-26
申请人： Mitsuharu Nakamura , Tsukasa Suwazono , Yoshikazu Ui , Yutaka Sosa , Goro Yanase , Kazuhiro Kawagoe , Shinichi Ishizato , Norimitsu Komai
发明人： Mitsuharu Nakamura , Tsukasa Suwazono , Yoshikazu Ui , Yutaka Sosa , Goro Yanase , Kazuhiro Kawagoe , Shinichi Ishizato , Norimitsu Komai
CPC分类号： G21C7/08 , G21C17/10 , G21Y2002/207 , G21Y2002/303 , G21Y2004/30 , Y02E30/39
摘要： A control rod position detector including a permanent magnet that is attached on a control rod inserted in a reactor pressure vessel, where the permanent magnet is capable of moving together with the control rod, and a plurality of reed switch mechanisms that are arranged in the reactor pressure vessel at regular intervals in an insertion direction of the control rod. Each of the reed switch mechanisms is provided with a pair of reed switches that are placed so as to overlap with each other in the insertion direction of the control rod. The pair of reed switches are connected to a common wiring. The common wiring is connected to a detector that detects a position of the control rod based on signals from the reed switches.
摘要翻译： 一种控制棒位置检测器，包括附着在插入反应堆压力容器中的控制棒上的永磁体，永磁体能够与控制棒一起移动，并且多个簧片开关机构设置在反应器 压力容器在控制棒的插入方向上以规则的间隔。 每个舌簧开关机构设置有一对簧片开关，其被布置成在控制棒的插入方向上彼此重叠。 一对簧片开关连接到公共接线。 公共布线连接到检测器，该检测器基于来自舌簧开关的信号来检测控制棒的位置。
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公开(公告)号：US20070086556A1
公开(公告)日：2007-04-19
申请号：US11410912
申请日：2006-04-26
申请人： Mitsuharu Nakamura , Tsukasa Suwazono , Yoshikazu Ui , Yutaka Sosa , Goro Yanase , Kazuhiro Kawagoe , Shinichi Ishizato , Norimitsu Komai
发明人： Mitsuharu Nakamura , Tsukasa Suwazono , Yoshikazu Ui , Yutaka Sosa , Goro Yanase , Kazuhiro Kawagoe , Shinichi Ishizato , Norimitsu Komai
IPC分类号： G21C17/00
CPC分类号： G21C7/08 , G21C17/10 , G21Y2002/207 , G21Y2002/303 , G21Y2004/30 , Y02E30/39
摘要： The object of the present invention is to provide a control rod position detector that is capable of avoiding and preventing a situation which makes impossible a detection of a position of a control rod inserted in a reactor pressure vessel. A control rod position detector of the present invention includes: a permanent magnet 10 that is attached on a control rod 4 inserted in a reactor pressure vessel 1, the permanent magnet 10 being capable of moving together with the control rod 4; and a plurality of reed switch mechanisms 31 that are arranged in the reactor pressure vessel 1 at regular intervals in an insertion direction of the control rod 4, the reed switch mechanisms 31 being operated by a magnetic flux of the permanent magnet 10. Each of the reed switch mechanisms 31 is provided with a pair of reed switches 13 and 14 that are placed so as to overlap with each other in the insertion direction of the control rod 4. The pair of reed switches 13 and 14 are connected to a common wiring 11. The common wiring 11 is connected to a detector 41 that detects a position of the control rod 4 based on signals from the reed switches 13 and 14.
摘要翻译： 本发明的目的是提供一种控制杆位置检测器，其能够避免和防止不可能检测插入反应堆压力容器中的控制棒的位置的情况。 本发明的控制杆位置检测器包括：永磁体10，其连接在插入反应堆压力容器1中的控制棒4上，永磁体10能够与控制棒4一起移动; 以及多个簧片开关机构31，其在控制棒4的插入方向上以规则的间隔布置在反应堆压力容器1中，舌簧开关机构31由永磁体10的磁通量操作。 每个舌簧开关机构31设置有一对舌簧开关13和14，它们在控制棒4的插入方向上彼此重叠放置。 一对簧片开关13和14连接到公共布线11。 公共布线11连接到检测器41，检测器41基于来自舌簧开关13和14的信号来检测控制棒4的位置。
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公开(公告)号：US6137854A
公开(公告)日：2000-10-24
申请号：US174259
申请日：1998-10-16
摘要： There is provided a reactor control rod which is capable of suppressing an excessive frictional force acting on passive state oxide films formed on the surfaces of neutron absorber elements, and also reducing the possibility to cause electrochemical problems, and a method of manufacturing the same. The reactor control rod comprises a wing having a sheath which has a substantially U-shaped cross-section. A top end structure is secured to a longitudinal top end of the sheath. A bottom end structure is secured to a longitudinal bottom end of the sheath. An opening portion of the sheath is secured to a central structure. A neutron absorber element is made of neutron absorbing material. The neutron absorber element is charged in the sheath. A supporting rod through hole is formed in the neutron absorber element, so as to penetrate the neutron absorber element. A supporting rod fitting hole is formed in the sheath. A load supporting rod is inserted into the supporting rod through hole. The load supporting rod has a top end portion and a main body portion. The top end portion is inserted into the supporting rod fitting hole, so as to support the weight of the neutron absorber element by the sheath via the load supporting rod. The main body portion has a diameter lager than that of the top end portion. A step is formed by a difference in diameters between the top end portion and the main body portion, so as to create a minute clearance between the sheath and the neutron absorber element.
摘要翻译： 提供了一种反应器控制棒，其能够抑制作用在形成在中子吸收体元件的表面上的被动态氧化物膜上的过大摩擦力，并且还降低引起电化学问题的可能性及其制造方法。 反应器控制杆包括具有大致U形横截面的护套的翼。 顶端结构被固定到护套的纵向顶端。 底端结构被固定到护套的纵向底端。 护套的开口部分固定到中心结构。 中子吸收元件由中子吸收材料制成。 中子吸收元件被装入护套中。 在中子吸收元件中形成支撑杆通孔，以便穿透中子吸收元件。 在护套中形成支撑杆装配孔。 负载支撑杆插入支撑杆通孔中。 负载支撑杆具有顶端部和主体部。 顶端部分插入到支撑杆装配孔中，以便通过负载支撑杆由护套支撑中子吸收元件的重量。 主体部分的直径比顶端部分的直径大。 通过顶端部分和主体部分之间的直径差异形成台阶，以在护套和中子吸收体元件之间产生微小的间隙。
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