Steam generator supplied with secondary water from the bottom pa

Details Steam generator supplied with secondary water from the bottom pa Steam generator supplied with secondary water from the bottom pa

1993-02-16

1994-09-20

Favors, Edward G.

Liquid heaters and vaporizers

Indirectly heated

Separate fluid

122457R, F22B 102

Patent

active

053479599

ABSTRACT:
The secondary water supply for a steam generator is provided by a toroidal or semitoroidal collector (38) placed in the bottom of the annular recirculation space (32) of the generator, in a larger diameter part (36) of the outer envelope. The collector (38) has holes (40) ensuring a vertical mean flow of the secondary water into the annular space (32). The cross-section of the holes is chosen in such a way as to trap in the collector the migrating bodies or members from the secondary water circuit and which could damage the steam generator tubes. At least one access orifice makes it possible to extract these migrating bodies from the collector during maintenance operations.

REFERENCES:
patent: 5110538 (1992-05-01), Pascal et al.

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