High-pressure steam generator feed water input arrangement

Details High-pressure steam generator feed water input arrangement High-pressure steam generator feed water input arrangement

1973-12-04

1976-02-10

Sprague, Kenneth W.

Liquid heaters and vaporizers

Indirectly heated

Separate fluid

122407, F22b 106, F22d 704

Patent

active

039371840

ABSTRACT:
A high-pressure steam generator, particularly for use in a pressurized-water coolant nuclear reactor installation, has a feed water inlet connection provided with a flow choke, such as a flow restricting orifice, through which the normal flow of feed water can pass to the steam generator with little impedance. In the event the pipe line supplying the feed water to the input connection accidentally fails and opens to the atmosphere, the choke becomes effective to very substantially reduce the flow rate of the reversely flowing water through the connection, which then occurs under the high steam pressure of the steam generator. This reduces the forces on the generator's internal construction in the event of such an accident.

REFERENCES:
patent: 2175013 (1939-10-01), Blizard
patent: 2861033 (1958-11-01), Treshow
patent: 3202584 (1965-08-01), Bogaardt et al.
patent: 3653363 (1972-04-01), Romanos
patent: 3766892 (1973-10-01), Webster

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