PREPARATION OPERATION METHOD FOR RADIOACTIVE MATERIAL TRANSPORT STORAGE CONTAINER, AND LID PART AUXILIARY SHIELD BODY FOR PREPARATION OPERATION THEREOF

PREPARATION OPERATION METHOD FOR RADIOACTIVE MATERIAL TRANSPORT STORAGE CONTAINER, AND LID PART AUXILIARY SHIELD BODY FOR PREPARATION OPERATION THEREOF

PROBLEM TO BE SOLVED: To prevent an operator from being exposed to radiation in preparation operation for a radioactive material transport storage container.SOLUTION: A lid part auxiliary shield body 4 is attached to an outer surface of a primary lid 2 put to cover a container body 1 before preparat...

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Bibliographische Detailangaben
Hauptverfasser: OISHI AKITO, MANTANI KENICHI, UMEHARA KEISUKE, YANAI HIROAKI, SHIMOJO JUN
Format: Patent
Sprache:eng
Schlagworte:
DECONTAMINATION ARRANGEMENTS THEREFOR
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT
TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To prevent an operator from being exposed to radiation in preparation operation for a radioactive material transport storage container.SOLUTION: A lid part auxiliary shield body 4 is attached to an outer surface of a primary lid 2 put to cover a container body 1 before preparation operation, and the attached lid part auxiliary shield body 4 is detached right before a secondary lid is attached to sufficiently blocks radiation such as gamma rays and neutrons from inside the container body 1 during the preparation operation such as bolt fastening operation for the primary lid 2 and drain operation for water in the container, thereby reducing exposure of the operator to the radiation during the preparation operation.