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Reaktorska črpalka jedrskeelektrarne(!) Krško = Nuclear Power Plant Krško reactor coolant pumpVojvodič-Tuma, Jelena ; Korošec, Darko, 1957- ; Celin, RomanJedrska elektrarna Krško uspešno obratuje od leta 1982 naprej in je bila v tem času v obratovanju več kot 123.000 ur. K temu uspehu sta pripomogli tudi dve obtočni reaktorski črpalki, ki sta del ... postrojenja primarnega hladilnega tokokroga v reaktorski zgradbi. Črpalki sta vertikalni, enostopenjski, aksialni in grajeni za velike pretoke in majhne tlačne razlike. Naloga obeh črpalk je, da vzdržujeta predpisani pretok primarne hladilne vode 4483 kg/s in s tem skrbita za zanesljiv prenos toplote iz reaktorja v oba uparjalnika. Največji projektni toplotni tok iz reaktorske sredice je 1876 MW(t). Črpalki in njuni hidravlični deli obratujeta pri temperaturi 287°C, kar je temperatura primarnega hladila na izstopu iz uparjalnikov. Tlak primarnega hladilnega tokokroga je 159 bar. Po 18 letih uspešnega obratovanja je bil v letu 1999 prvič razstavljen hidravlični del prve od obeh obtočnih črpalk zaradi pregleda stanja komponent in tlačne meje primarnega hladila ohišja črpalke. Ohišje črpalke, elektromotor in drugi statorski deli so ostali v jedrski elektrarni Krško in so bili pregledani tam, rotor črpalke in pripadajoči deli pa so bili odpeljani na pregled v Francijo, v specializirano podjetje za tovrstne preglede Jeumont Industrie. Vsi glavni hidravlični deli črpalke vključno z gredjo so bili temeljito pregledani z neporušitvenimi metodami. Rezultati so obravnavani in komentirani v tem prispevku.Source: [Program in knjiga povzetkov] = [Program and book of abstracts] (Str. 112)Type of material - conference contribution ; adult, seriousPublish date - 1999Language - slovenian, englishCOBISS.SI-ID - 194474
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Vojvodič-Tuma, Jelena | 09788 |
Korošec, Darko, 1957- | 04215 |
Celin, Roman | 17161 |
Source: Personal bibliographies
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