Steam generator with device for the distribution of feed...

Details Steam generator with device for the distribution of feed... Steam generator with device for the distribution of feed...

F - Mech Eng,Light,Heat,Weapons

22

B

F22B 37/34 (2006.01) F22B 1/02 (2006.01)

Patent

CA 2094882

DESCRIPTIVE ABSTRACT In a steam generator or boiler used in a nuclear reactor, the secondarywater supply takes place via at least one pipe (48) issuing directly into the bottom of an annular recirculation space (32) formed between the outer envelope (10) and an inner envelope (26) surrounding inverted U-tubes (24), on the side of the cold branches of said tubes. A per- forated collar or flange (56) placed in the annular space (32), above the pipe (48), produces a pressure drop or flow limitation preventing the rise of the feed water and controls the circumferential distribution of the recirculation water, which drops from the separators (28). (Fig. 1) B 11286 GP

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