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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Main Authors 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
LanguageEnglish
Russian
Published 20.08.1998
Edition6
Subjects
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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Summary: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
Bibliography:Application Number: RU19970105083