Steam generator comprising an improved feedwater supply device
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United States of America Patent
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Jan 16, 2001
Grant Date -
N/A
app pub date -
Apr 27, 1999
filing date -
May 4, 1998
priority date (Note) -
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Abstract
The steam generator comprises a cylindrical outer jacket (2) arranged with its axis vertical, a bundle wrapper (4) arranged coaxially with respect to the outer jacket and a space (9) in which feed water can flow between the bundle wrapper (4) and the outer jacket (2) or a guide skirt (8, 8a). A water supply device (10) placed towards the top of the space (9) in which the feedwater flows comprises a torus-shaped manifold (12), the upper wall of which is traversed by a number of flow openings (18) distributed in the circumferential direction of the manifold (12). A feed pipe (13) opens into the manifold and the feedwater is guided by a guide device towards the annular flow space (9). Radial dividing walls (19a, 19b, 19c, 19d) are arranged transversely in a water flow space delimited between the manifold (12) and the guide device (14).
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