METHOD FOR DISMANTLING HEAT EXCHANGER INSTALLED IN BUILDING FOR NUCLEAR REACTOR
In a method for dismantling a heat exchanger installed in a nuclear reactor building, a contamination controlled area is minimized. The method includes: an introducing step of introducing a part of a heat exchanger (100) in a contamination controlled area, the introducing step including providing th...
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| creator | TOKIEDA, KIYOSHI TAKENAKA, SATSUKI YAMAZAKI, SEIICHIRO KIMURA, HIDEAKI BLIGHT, JOHN |
| description | In a method for dismantling a heat exchanger installed in a nuclear reactor building, a contamination controlled area is minimized. The method includes: an introducing step of introducing a part of a heat exchanger (100) in a contamination controlled area, the introducing step including providing the contamination controlled area in a part of the nuclear reactor building, suspending the heat exchanger by a jack down unit provided in the nuclear reactor building, and lowering the heat exchanger; a first cutting step of cutting the part of the suspended heat exchanger by a first cutting unit (300) provided in a first cutting area in the contamination controlled area to thereby separate a sectioned cut-piece from the suspended heat exchanger; a conveying step of conveying the sectioned cut-piece from the first cutting area to a second cutting area in the contamination controlled area by a conveying unit (500) ; a second cutting step of cutting the conveyed sectioned cut-piece into small pieces by a second cutting unit (400) provided in the second cutting area; and a carrying-out step of carrying the sectioned cut-piece cut into the small pieces out of the contamination controlled area with the sectioned cut-piece packed in a container. |
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The method includes: an introducing step of introducing a part of a heat exchanger (100) in a contamination controlled area, the introducing step including providing the contamination controlled area in a part of the nuclear reactor building, suspending the heat exchanger by a jack down unit provided in the nuclear reactor building, and lowering the heat exchanger; a first cutting step of cutting the part of the suspended heat exchanger by a first cutting unit (300) provided in a first cutting area in the contamination controlled area to thereby separate a sectioned cut-piece from the suspended heat exchanger; a conveying step of conveying the sectioned cut-piece from the first cutting area to a second cutting area in the contamination controlled area by a conveying unit (500) ; a second cutting step of cutting the conveyed sectioned cut-piece into small pieces by a second cutting unit (400) provided in the second cutting area; and a carrying-out step of carrying the sectioned cut-piece cut into the small pieces out of the contamination controlled area with the sectioned cut-piece packed in a container.</description><language>eng ; fre ; ger</language><subject>BUILDING ; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE ; DECONTAMINATION ARRANGEMENTS THEREFOR ; FIXED CONSTRUCTIONS ; FORMS ; HANDLING BUILDING MATERIALS ON THE SITE ; NUCLEAR ENGINEERING ; NUCLEAR PHYSICS ; NUCLEAR POWER PLANT ; PHYSICS ; PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT ; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS ; SCAFFOLDING ; SHUTTERING ; TREATING RADIOACTIVELY CONTAMINATED MATERIAL</subject><creationdate>2008</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20081119&DB=EPODOC&CC=EP&NR=1993104A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20081119&DB=EPODOC&CC=EP&NR=1993104A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TOKIEDA, KIYOSHI</creatorcontrib><creatorcontrib>TAKENAKA, SATSUKI</creatorcontrib><creatorcontrib>YAMAZAKI, SEIICHIRO</creatorcontrib><creatorcontrib>KIMURA, HIDEAKI</creatorcontrib><creatorcontrib>BLIGHT, JOHN</creatorcontrib><title>METHOD FOR DISMANTLING HEAT EXCHANGER INSTALLED IN BUILDING FOR NUCLEAR REACTOR</title><description>In a method for dismantling a heat exchanger installed in a nuclear reactor building, a contamination controlled area is minimized. 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| language | eng ; fre ; ger |
| recordid | cdi_epo_espacenet_EP1993104A1 |
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| subjects | BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE DECONTAMINATION ARRANGEMENTS THEREFOR FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR POWER PLANT PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING TREATING RADIOACTIVELY CONTAMINATED MATERIAL |
| title | METHOD FOR DISMANTLING HEAT EXCHANGER INSTALLED IN BUILDING FOR NUCLEAR REACTOR |
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