BURIAL METHOD FOR REACTORS OF NUCLEAR POWER PLANTS WHOSE LIFE HAS EXPIRED Russian patent published in 1994 - IPC

FIELD: environment control. SUBSTANCE: rock near nuclear power plant is broken out; to this end vertical shaft is sunk and from this shaft top fan heading and bottom haulage heading are drifted; chamber is made between them. Reactor is let down into chamber in the course of extraction of loose shrinking rock, reactor being supported by this rock. Shrinking rock is extracted to bottom haulage heading through cross-cuts equipped with vibrating feeders affording smooth adjustable extraction of loose shrinking rock. EFFECT: improved reliability of reactor burial. 5 cl, 1 dwg