NUCLEAR REACTOR SAFETY DEVICE Russian patent published in 1996 - IPC

Abstract SU 1816145 A1

FIELD: nuclear power engineering. SUBSTANCE: device has support 2 that mounts supporting member 3 carrying fuel slugs 4 made of fissionable material and placed one on top of other. Contraction 5 is provided over inner surface above location of fuel slugs near upper boundary of reactor core, in channel. Supporting member 3 is made in the form of wedge narrowing towards upper part; its dimensions are selected so that specific pressure drop through height of supporting member is higher than that of pile of fuel slugs. Inner diameter of contraction is greater than diameter of slugs and smaller than maximum diameter of supporting member wedge. EFFECT: provision for fast removal of fissionable fuel slugs and holding them beyond reactor core in case of emergency pressure drop at inlet of core channel. 1 dwg

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SU 1 816 145 A1

Authors

Gavrilov P.M.

Dmitriev A.M.

Tsyganov A.A.

Chukanov V.B.

Dates

1996-02-10—Published

1989-12-19—Filed