Control apparatus for residual heat removal system for nuclear r

Details Control apparatus for residual heat removal system for nuclear r Control apparatus for residual heat removal system for nuclear r

1979-09-21

1982-03-30

Cangialosi, Sal

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By electronic signal processing circuitry

376299, G21C 700

Patent

active

043222676

ABSTRACT:
In a control apparatus for residual heat removal system for a nuclear reactor in which the steam generated in the reactor vessel is cooled and condensed into water through a heat exchanger and the condensed water is fed back by a feedwater pump driven by the reactor steam so as to cool the reactor core, the pressure of the condensed water at the exit of the heat exchanger is increased with the rise of the reactor water level so as to decrease the flow of the condensed water, that is, coolant water and the flow-in of the make-up water from the make-up water reservoir communicating with the outlet port of the condenser while the quantity of the reactor steam supplied to the turbine is decreased with the increase in the reactor temperature fall rate so as to decrease the flow of the coolant water fed back into the reactor vessel.

REFERENCES:
patent: 3127322 (1964-05-01), Dodd
patent: 3384550 (1968-05-01), Hanzalek
patent: 3431168 (1969-03-01), Kjemtrup
patent: 3437557 (1969-04-01), Kaipainen
patent: 3718539 (1973-02-01), West et al.
patent: 3931500 (1976-01-01), Berkebile et al.
patent: 4046628 (1977-09-01), Middleton
patent: 4051892 (1977-10-01), Reinsch
patent: 4157939 (1979-06-01), Schabert et al.
patent: 4187147 (1980-02-01), Braun et al.

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