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1. 发明授权

US5546435A Fission product leak detection in a pressurized-water reactor 失效
标题翻译：加压水反应堆中的裂变产物泄漏检测
公开(公告)号：US5546435A
公开(公告)日：1996-08-13
申请号：US341153
申请日：1994-11-16
申请人： Per Collin , Roland Deleryd , Roland Ivars , Fredrik Lundqvist , Norman R. Stolzenberg
发明人： Per Collin , Roland Deleryd , Roland Ivars , Fredrik Lundqvist , Norman R. Stolzenberg
IPC分类号： G01N1/10 , G01M3/00 , G01N1/22 , G21C17/06 , G21C17/07 , G21C19/02 , G21C17/00
CPC分类号： G21C17/07 , G21Y2002/204 , G21Y2004/304
摘要： The invention relates to an arrangement for carrying out leak detection of a fuel assembly for a pressurized-water nuclear reactor. A substantially vertical hollow mast means open in both ends houses the fuel assembly to be examined. The fuel assembly is drawn to the inside of the mast means from its lower side. The part of the mast means housing the fuel assembly is lifted to a position in which the fuel assembly is provided near but below the water surface of water inside the nuclear reactor. Water is sucked from a position inside the mast means above the fuel assembly. A gas separating means separates gases present in water sucked from the inside of the mast means. The separated gas is analyzed in a gas analyzing means regarding its amount of gaseous fission products.
摘要翻译：本发明涉及一种用于对加压水核反应堆的燃料组件进行泄漏检测的装置。在两端开放的大致垂直的中空桅杆装置容纳待检查的燃料组件。燃料组件从其下侧被拉到桅杆装置的内部。将燃料组件的桅杆装置的部分提升到燃料组件靠近但低于核反应堆内的水的水面的位置。水从燃料组件上方的桅杆装置内的位置吸入。气体分离装置分离从桅杆装置内部吸入的水中存在的气体。分离气体在气体分析装置中分析其气态裂变产物的量。

2. 发明授权

US06718002B2 Method and device for removing radioactive deposits 失效
标题翻译：去除放射性沉积物的方法和装置
公开(公告)号：US06718002B2
公开(公告)日：2004-04-06
申请号：US10188109
申请日：2002-07-03
申请人： Anders Rosengren , Roland Ivars , Lennart von der Burg
发明人： Anders Rosengren , Roland Ivars , Lennart von der Burg
IPC分类号： G21C1900
CPC分类号： G21F9/005
摘要： A device and method for removing radioactive crud material deposited on surfaces of a nuclear fuel assembly in a nuclear plant is provided. The device comprises a container arranged to accommodate the nuclear fuel assembly, a first pumping means to pump a fluid, composed of water and ice, through the container in order to release the deposit from the nuclear fuel assembly by abrasion and to transport the released radioactive material out from the container. The first pump means also enables the feeding of a gas or steam or both to the fluid that is fed into and through the container in order to create a turbulence in the fluid. The device further comprises means, arranged in a &ggr;-radiation-dampening medium, disposed to receive the radioactive deposit transported out of the container by the fluid.
摘要翻译：提供了一种用于去除沉积在核电厂核燃料组件表面上的放射性原料的装置和方法。该装置包括布置成容纳核燃料组件的容器，用于泵送由水和冰组成的流体通过容器的第一泵送装置，以便通过磨损释放来自核燃料组件的沉积物并运送释放的放射性物质材料从容器出来。第一泵装置还使得能够将气体或蒸汽或两者供给到被供入并通过容器的流体，以便在流体中产生湍流。该装置还包括布置在γ-辐射阻尼介质中的装置，其被设置成接收由流体运送出容器的放射性沉积物。

3. 发明授权

US4654187A Method and a device for analyzing water in the primary circuit of a nuclear reactor 失效
标题翻译：用于分析核反应堆初级回路中的水的方法和装置
公开(公告)号：US4654187A
公开(公告)日：1987-03-31
申请号：US564908
申请日：1983-12-23
申请人： Peter Fejes , Roland Ivars
发明人： Peter Fejes , Roland Ivars
IPC分类号： G21C17/02 , G21C17/022
CPC分类号： G21C17/022
摘要： The water flowing in a nuclear reactor is analyzed, while the reactor is in operation, by conducting water from the reactor vessel substantially without reduction in pressure or temperature past test surfaces (e.g. tubes) with different electrochemical potentials relative to the reactor water. Deposits formed on the test surfaces, which are substantially caused by colloidal particles in the water, are examined, preferably with regard to radioactive content.
摘要翻译：在反应器运行的过程中，通过从反应器容器中导入水，分析基本上没有压力或温度降低的反应器中的水通过具有相对于反应器水的不同电化学势的测试表面（例如管）。优选地关于放射性含量，检查在测试表面上形成的沉积物，其基本上由水中的胶体颗粒引起。

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