Induced nuclear reactions: processes – systems – and elements – Control component for a fission reactor – Particulate type
Patent
1988-02-11
1990-04-17
Behrend, Harvey E.
Induced nuclear reactions: processes, systems, and elements
Control component for a fission reactor
Particulate type
376265, G21C 712
Patent
active
049178555
ABSTRACT:
A shutdown system for a high temperature nuclear reactor where absorber material elements in the form of balls pass from an elevated reservoir into a vertical channel formed by aligned vertical cavities in horizontal, nose-shaped projections from the side reflector. The balls are transported back to the reservoir by way of a conveyor device. It must be insured that even in the case of accidents the absorber balls arrive in the cavities and that a rapid return of the absorber balls into the reservoir takes place. For the purpose, the reservoir is provided with an automatically-actuated and controllable device for releasing an opening between the reservoir and the vertical channel feed line. Below the channel is a removal tube terminating in a housing and arranged to form a pile of the absorber balls which seals the removal tube. To return the absorber balls, a metering gas acts on the pile and brings the absorber balls to a carrier gas. The carrier gas returns the absorber balls into the reservoir while the gaseous proporation of the carrier gas flow is returned for the reservoir into the pressure vessel.
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Faber Ralf
Handel Hubert
Mauersberger Reinhard
Schmitt Hermann
Schoening Josef
Behrend Harvey E.
Hochtemperatur-Reaktorbau GmbH
Koch Robert J.
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