METHOD FOR REPLACING BALL-TYPE COOLANT FLOW METERS IN CIRCULATING LOOP OF WATER-GRAPHITE REACTORS

FIELD: servicing water-graphite reactors of nuclear power plants. SUBSTANCE: dismounted flow meter is subjected to decontamination, head band rolled into case is removed, head is turned out, current swirler is removed and subjected to comprehensive decontamination together with case, replacing head...

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Bibliographische Detailangaben
Hauptverfasser:	GUSAROV V.I, IVANOV V.N, FILIMONTSEV JU.N, CHERKASHOV JU.M, TIPOCHENKOV E.T, SPIRIN A.N, DEGTJAREV V.G, RJAKHIN V.M, GOGOLEV V.K, ZABRODIN V.I, TJAPKOV V.F
Format:	Patent
Sprache:	eng ; rus
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:	FIELD: servicing water-graphite reactors of nuclear power plants. SUBSTANCE: dismounted flow meter is subjected to decontamination, head band rolled into case is removed, head is turned out, current swirler is removed and subjected to comprehensive decontamination together with case, replacing head is assembled with replacing supporting bushing, ball, and swirler, replacing head is turned onto flow meter case, rolled into groove behind band, and subjected to hydraulic tests. EFFECT: reduced capital outlays for new replacing flow meters. 7 dwgg