OXIDE MATERIAL OF NUCLEAR-REACTOR MOLTEN CORE CATCHER

FIELD: nuclear power engineering; sacrifice materials for water-cooled tank reactors. SUBSTANCE: oxide material used for molten core confinement in case of beyond design basis accident includes in its composition Al2O3, SiO2, and also Fe2O3 and/or Fe3O4. In addition material also includes first addi...

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Hauptverfasser:	SERGEEV E.D, SALAGINA G.N, KRUSHINOV E.V, NOVIKOV A.N, BESHTA S.V, KHABENSKIJ V.B, STOLJAROVA V.L, GUSAROV V.V, ANISKEVICH JU.N, TIKHOMIROV V.A, SAKULIN V.JA, MOZHZHERIN V.A, VITOL' S.A, SAENKO I.V, SHTERN E.A, GRANOVSKIJ V.S, AL'MJASHEV V.I, MIGAL' V.P, PETROV V.V
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PHYSICS REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Zusammenfassung:	FIELD: nuclear power engineering; sacrifice materials for water-cooled tank reactors. SUBSTANCE: oxide material used for molten core confinement in case of beyond design basis accident includes in its composition Al2O3, SiO2, and also Fe2O3 and/or Fe3O4. In addition material also includes first additive in the form of Gd2O3 or Eu2O3, or Sm2O3 and second additive of one or more oxides of following group: SrO, CeO2, BaO, Y2O3, La2O3. Proportion of ingredients in proposed oxide material is as follows, mass percent: Fe2O3 and/or Fe3O4, 46-80; Al2O3, 16-50; SiO2, 1-4; first additive, 0.1-4.0; second additive, 3-15. EFFECT: enhanced effectiveness of molten core confinement at beyond design basis accident. 3 cl, 1 dwg, 2 tbl