GRAVEL DECONTAMINATION FACILITY, AND GRAVEL DECONTAMINATION METHOD

PROBLEM TO BE SOLVED: To efficiently decontaminate much gravel.SOLUTION: The gravel decontamination facility includes: a cylindrical body 21 that is cylindrical and has a plurality of through holes 21a penetrating the cylindrical body, and into which gravel to be processed is input; a turning mechan...

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Bibliographische Detailangaben
Hauptverfasser:	KINOSHITA TETSUICHI, TANIMOTO YUICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	DECONTAMINATION ARRANGEMENTS THEREFOR NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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Zusammenfassung:	PROBLEM TO BE SOLVED: To efficiently decontaminate much gravel.SOLUTION: The gravel decontamination facility includes: a cylindrical body 21 that is cylindrical and has a plurality of through holes 21a penetrating the cylindrical body, and into which gravel to be processed is input; a turning mechanism 22 for turning the cylindrical body 21 about the axis; and a cleaning fluid tank 23 that surrounds the periphery of the cylindrical body 21 and reserves acid or alkaline cleaning fluid so as to dip at least a lower part of the cylindrical body 21. 【課題】大量の砂礫を効率良く除染する。【解決手段】砂礫除染設備は、筒状でその内外を貫通する貫通孔２１ａが複数形成され、処理対象となる砂礫が内部に投入される筒体２１と、筒体２１を軸周りに回動させる回動機構２２と、筒体２１の周囲を囲い、筒体２１の少なくとも下部を浸すように酸性またはアルカリ性の洗浄液を貯留する洗浄液槽２３と、を備えるようにした。【選択図】図２