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Application

2003125549/06, 2003-08-18

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Start date

2003-08-18

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Actual filing date

2003-08-18

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Published

2005-06-10

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Inventor

Khabenskij V.B.Granovskij V.S.Beshta S.V.Sidorov A.S.Nosenko G.E.Klejmenova G.I.Sergeev E.D.Tikhomirov V.A.Petrov V.V.Zamjatin O.N.Nechaev A.K.Onufrienko S.V.Kukhtevich I.V.Bezlepkin V.V.Gusarov V.V.Berkovich V.M.Klonitskij M.L.Kopytov I.I.

(73)

Holder

Khabenskij Vladimir BentsianovichGranovskij Vladimir SemenovichBeshta Sevost'Jan ViktorovichSidorov Aleksandr Stal'EvichNosenko Gennadij EfimovichKlejmenova Galina IvanovnaSergeev Evgenij DmitrievichTikhomirov Vladimir Anatol'EvichPetrov Vadim Vasil'EvichZamjatin Oleg NikolaevichNechaev Aleksandr KonstantinovichOnufrienko Sergej ViktorovichKukhtevich Iosif VladimirovichBezlepkin Vladimir ViktorovichGusarov Viktor VladimirovichBerkovich Viktor MozesovichKlonitskij Mikhail L'VovichKopytov Il'Ja Igorevich

SYSTEM OF LOCALIZATION AND COOLING OF THE CORIUM OF THE EMERGENCY NUCLEAR WATER-COOLED TYPE Russian patent published in 2005 - IPC

Abstract RU 2253914 C2

FIELD: systems for localization and cooling of melted body at emergency its exit for the limits of the reactor's body.

SUBSTANCE: cooling trap is located in the mine under the reactor and fulfilled in the form of a vessel with installed in it a basket with sacrificial materials-diluters of uranium containing and steel components of corium. The bottom of the cooling drum is no less than on 30% thicker of its walls and has an incline to the center in the limits of 10-20 degrees; sacrificial materials-diluters are formed in the shape of briquettes enclosed in the steel drum. The mass of the material-diluters of oxide uranium containing and steel components of corium are determined with the help of calculated ratio computations which take into considerations: the mass of components of the corium, incoming from the reactor; physical parameters of components of melt; density of critical thermal flow drawing off the melts to cooling water through the drum. It is proposed to fulfill the directing arrangement for the body in the form of a funnel located between the bottom of the reactor and the higher edge of the trap. At that the walls of the directing arrangement are covered with heat-resistant concrete, over which a covering of easily melted concrete is put on.

EFFECT: the invention allows to increase efficiency and reliability of the system by way of improving conditions for coming in and cooling of melted corium in the trap.

4 cl, 1 dwg

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RU 2 253 914 C2

Authors

Khabenskij V.B.

Granovskij V.S.

Beshta S.V.

Sidorov A.S.

Nosenko G.E.

Klejmenova G.I.

Sergeev E.D.

Tikhomirov V.A.

Petrov V.V.

Zamjatin O.N.

Nechaev A.K.

Onufrienko S.V.

Kukhtevich I.V.

Bezlepkin V.V.

Gusarov V.V.

Berkovich V.M.

Klonitskij M.L.

Kopytov I.I.

Dates

2005-06-10—Published

2003-08-18—Filed