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公开(公告)号：US11420239B2
公开(公告)日：2022-08-23
申请号：US16914878
申请日：2020-06-29
IPC分类号： B08B9/032 , B08B9/043 , B05B1/16 , G21C15/25 , B05B13/06 , B05B15/652 , B05B12/16 , G21C17/017 , F04F5/46 , B08B9/047
摘要： A method of cleaning a jet pump assembly of a nuclear reactor may comprise inserting a cleaning tool into the jet pump assembly such that a front face of the cleaning tool is adjacent to an inner surface of the jet pump assembly and below a level of a first liquid in the jet pump assembly. The method may additionally comprise directing a plurality of front jets of a second liquid from a plurality of front orifices on the front face of the cleaning tool such that the plurality of front jets of the second liquid strikes the inner surface of the jet pump assembly. The method may further comprise maintaining a standoff distance between the front face of the cleaning tool and the inner surface of the jet pump assembly during the cleaning of the jet pump assembly.
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公开(公告)号：US11717865B2
公开(公告)日：2023-08-08
申请号：US15696537
申请日：2017-09-06
IPC分类号： B08B9/032 , G21C15/25 , G21C17/017 , F04F5/10 , B05B15/62
CPC分类号： B08B9/0328 , B08B9/0323 , G21C15/25 , G21C17/017 , B05B15/62 , F04F5/10
摘要： A method of cleaning a jet pump assembly of a nuclear reactor may comprise evacuating an interior of the jet pump assembly that is filled with a first liquid by injecting a gas to purge the first liquid from the interior to provide an evacuated surface. In addition, the method may comprise directing a jet of a second liquid onto the evacuated surface.
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