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2 190 269

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IPC

(21) (22)

Application

2001104587/06, 2001-02-19

(24)

Start date

2001-02-19

(22)

Actual filing date

2001-02-19

(45)

Published

2002-09-27

(72)

Inventor

Shevchenko V.G.Fursov A.N.Shmakov L.V.Lebedev V.I.Chernikov O.G.Kondrat'Ev A.A.Pimenov A.N.Vasilenko V.A.El'Shin A.V.Artemov V.G.Ivanov A.S.Borshchev V.P.Davydov V.K.Kvator V.M.Kudrjavtsev M.Ju.Mel'Nikov O.P.Rozhdestvenskij M.I.Rjakhovskikh V.I.Tishkin Ju.A.Cherkashov Ju.M.

(73)

Holder

Gosudarstvennoe Predprijatie Leningradskaja Atomnaja Ehlektrostantsija Im. V.I.Lenina

NUCLEAR REACTOR IRRADIATING DEVICE CAPSULE Russian patent published in 2002 - IPC

Abstract RU 2190269 C1

FIELD: nuclear power engineering. SUBSTANCE: capsule used in gamma-ray sources for type RBMK reactors has pressurized box accommodating pellets of material to be irradiated; these pellets are separated by means of spacer pellets of material slightly absorbing neutrons, their length being found from equation H_sp=(1/2,5)H_ip, where H_sp is spacer pellet height, mm; H_ip is height of pellet to be irradiated, mm. In addition diameter of spacer pellet in capsule may be 0.8-0.9 of that of pellet being irradiated. As an alternative spacer pellets of irradiating device may be made of zirconium. Proposed design provides for essential increase in rate of cobalt-60 production (by 50%) in irradiating devices used for RBMK reactors. EFFECT: enhanced rate of production of gamma-ray sources. 3 cl, 1 dwg, 3 tbl

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RU 2 190 269 C1

Authors

Shevchenko V.G.

Fursov A.N.

Shmakov L.V.

Lebedev V.I.

Chernikov O.G.

Kondrat'Ev A.A.

Pimenov A.N.

Vasilenko V.A.

El'Shin A.V.

Artemov V.G.

Ivanov A.S.

Borshchev V.P.

Davydov V.K.

Kvator V.M.

Kudrjavtsev M.Ju.

Mel'Nikov O.P.

Rozhdestvenskij M.I.

Rjakhovskikh V.I.

Tishkin Ju.A.

Cherkashov Ju.M.

Dates

2002-09-27—Published

2001-02-19—Filed