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51. 发明专利

JP2004245728A Nuclear fuel replacement device 审中-公开
标题翻译：核燃料替代装置
公开(公告)号：JP2004245728A
公开(公告)日：2004-09-02
申请号：JP2003036940
申请日：2003-02-14
申请人： Toshiba Corp , 株式会社東芝
发明人： FUKUMOTO KOJI , YAMAMOTO TETSUO , YABU TOMOHIKO , SATO TAKAO , MATSUMOTO KOJI , TAKAGI KAORU
IPC分类号： G21C19/18
摘要： PROBLEM TO BE SOLVED: To provide a nuclear fuel replacement device for performing replacement work of a fuel assembly and reactor-core internal structure in a short period of time. SOLUTION: This nuclear fuel replacement device comprises a traveling carriage traveling on a rail track 18 provided above a nuclear reactor pressure vessel 15, a traversing carriage moving on the traveling carriage in a direction perpendicular to the track, and a fuel gripper 9 mounted on multi-stage extension masts 1 and 2 hung down from the traversing carriage for performing insertion and extraction of the fuel assembly 13 with respect to the pressure vessel, and adapted to load the fuel assembly to the pressure vessel and extract it therefrom. The extension masts are each given an upper/lower two-part structure comprising upper mast parts 1a, 1b, 1c, ... and lower mast parts 2a, 2b, 2c, .... The fuel gripper is moved up and down while the upper mast parts are used to guide the lower mast parts. When handling the fuel assembly, the construction of upper/lower two-part type masts dispenses with speed reduction at each joint between mast stages as seen in relevant art. This resultantly shortens per-unit handling time for fuel assemblies. COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于在短时间内执行燃料组件和反应堆芯内部结构的更换工作的核燃料替换装置。解决方案：该核燃料替换装置包括在设置在核反应堆压力容器15上方的轨道18上行进的行进车架，沿着与轨道垂直的方向在行驶台上移动的横动滑架，以及燃料夹具9 安装在多级延伸桅杆1和2上，从横移滑架悬挂，用于相对于压力容器插入和抽出燃料组件13，并且适于将燃料组件装载到压力容器中并从其中提取。延伸桅杆分别具有上/下两部分结构，包括上桅杆部件1a，1b，1c，...和下桅杆部件2a，2b，2c，...。燃料夹具上下移动，同时上桅杆部件用于引导下桅杆部件。在处理燃料组件时，如相关技术中所见，上/下两部分类型的桅杆的构造在桅杆阶段之间的每个接头处不再减速。这样可以缩短燃料组件的每单位处理时间。版权所有（C）2004，JPO＆NCIPI

52. 发明专利

JPH06174892A RADIOACTIVE WASTE LIQUID FILTERING DEVICE 失效
公开(公告)号：JPH06174892A
公开(公告)日：1994-06-24
申请号：JP32835492
申请日：1992-12-09
申请人： TOSHIBA CORP
发明人： NAKAMIZO HIROSHI , YAMAMOTO TETSUO
IPC分类号： B01D39/20 , G21F9/06
摘要： PURPOSE:To reduce the radiation exposure of operators by enhancing the effi ciency of the replacement work of filter elements. CONSTITUTION:A tapered through hole 50 is provided through upper 7 and lower 8 tie plates in a can shell portion 2. An upper 51 and lower 52 support plates integrally attached to both ends of a channel case 53 are fitted into the through hole 50. A filter element 9 is mounted between the upper and lower support plates 51, 52 via a sealing material 54 and integrated with the channel case 53. The channel case 53 and the filter element 9 are raised upward and can be taken out of the can shell portion 2 by lifting a replacement hook 56 located on the upper support plate 51.

53. 发明专利

JPH0240222A HOLLOW FIBER MEMBRANE FILTRATION DEVICE 失效
公开(公告)号：JPH0240222A
公开(公告)日：1990-02-09
申请号：JP18800388
申请日：1988-07-29
申请人： TOSHIBA CORP
发明人： YAMAMOTO TETSUO , YONETANI YUKIO , MATSUBAYASHI YOSHIKAZU , KUROKI MASAHIKO
IPC分类号： G21C19/307 , B01D63/04 , G21F9/00 , G21F9/06
摘要： PURPOSE:To improve the flow character in the filtration device by providing plural supply liquid inlet nozzles to the filtration chamber, protecting tubes, and hollow fiber membrane modules in the hollow fiber membrane filtration device having a pipe plate partitioning the filtration chamber from a treated liquid chamber. CONSTITUTION:The plural supply liquid inlet nozzles 10 are provided to the filtration chamber 3. Preferably, >=2 supply liquid inlet nozzles 10 are provided to the side wall part symmetrically to the center axis. In this constitution, the supply liquid flowing in through the nozzles 10 is collided against retardation plates 25 to be retarded and flows down along the side wall and the bottom part of a hermetic vessel 1 from the opening port of the plates 25. The supply liquid is sufficient mixed here and then raised upward being rectified by rectifying pipe bundles 20 and flows into the protecting tubes 15. Then, the supplying liquid is filtered through hollow fiber membrane 5a, and sent to the treatment chamber 4 and flows out from a treated liquid outlet nozzle 12. By providing plural supply liquid nozzles, the supply liquid is uniformly distributed and sufficiently mixed in the hermetic vessel 1.

54. 发明专利

JPH022836A HOLLOW THREAD MEMBRANE FILTER DEVICE 失效
公开(公告)号：JPH022836A
公开(公告)日：1990-01-08
申请号：JP14585988
申请日：1988-06-15
申请人： TOSHIBA CORP
发明人： YAMAMOTO TETSUO
IPC分类号： G21C19/307 , B01D63/04 , G21C19/30 , G21F9/00 , G21F9/06
摘要： PURPOSE:To reduce the manufacturing man power and to improve the back- washing efficiency of hollow thread membrane during back washing by providing a swing motion preventing mechanism preventing protection tubes receiving hollow thread membrane module structural bodies from swinging. CONSTITUTION:A harmetic vessel 1 is partitioned into a lower filtration chamber 3 and an upper treated liquid chamber 4 by a pipe plate 2. Protecting tubes 15 are hung from the pipe plate 2 in the filtration chamber 3, and the hollow thread membrane module structural body 5 hung from the pipe plate 2 is received in the protecting tube 15, and the swing motion preventing mechanism 25 preventing the protection tube 15 from swinging is provided in the lower open part of the protecting tube 15. In this swing motion preventing mechanism 25, >=2 supporting members 25a having open part per one protecting tube 15 fix the protecting tubes mutually at the lower end of the protecting tube 15. As a result, the manufacturing man power is reduced and the back washing efficiency of hollow threads during back washing is improved.

55. 发明专利

JPS63262598A HOLLOW-YARN FILM FILTER MODULE CUTTER 失效
公开(公告)号：JPS63262598A
公开(公告)日：1988-10-28
申请号：JP9613787
申请日：1987-04-21
申请人： TOSHIBA CORP
发明人： YAMAMOTO TETSUO
IPC分类号： G21F9/30 , B26D7/02 , B26D7/18 , G21F9/00

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