Steam generator comprising an emergency feed water device

Details Steam generator comprising an emergency feed water device Steam generator comprising an emergency feed water device

2004-03-23

2008-01-01

Wilson, Gregory (Department: 3749)

Liquid heaters and vaporizers

Steam treatment

Superheater

C122S032000

Reexamination Certificate

active

07314024

ABSTRACT:
The steam generator (1) comprises a first normal feed water device (8) and a second emergency feed water device (16) of the steam generator, comprising, respectively, a first toroidal header (10) and a second toroidal header (17) arranged coaxially with respect to the outer jacket (2b) of the steam generator. The second toroidal header (17) of the second emergency feed water device (16) placed inside the upper cylindrical part (2b) of the outer jacket comprises, fastened to each of a set of openings penetrating an upper part of its toroidal wall, a water injection tube (22) having an open lower end part fastened to the opening of the toroidal wall, a straight part inclined with respect to the vertical axial direction in the direction of a central part of the steam generator and an open upper end at the end of the straight part of the tube (22) for injecting emergency water inside the steam generator.

REFERENCES:
patent: 3923007 (1975-12-01), Schroeder
patent: 3938473 (1976-02-01), Mayer et al.
patent: 5083529 (1992-01-01), Sundheimer
patent: 5110538 (1992-05-01), Pascal et al.
patent: 5335629 (1994-08-01), Cornic
patent: 5347959 (1994-09-01), Slama et al.
patent: 6173680 (2001-01-01), Dague et al.
patent: 2 387 417 (1978-11-01), None
French Search Report, dated Nov. 5, 2003, French Patent Office.

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