Once-through forced-circulation steam generator

Details Once-through forced-circulation steam generator Once-through forced-circulation steam generator

1978-05-02

1980-05-27

Favors, Edward G.

Liquid heaters and vaporizers

Indirectly heated

Separate fluid

165163, F22B 106

Patent

active

042045029

ABSTRACT:
A bundle of J-shaped tubes uniformly spaced in radial planes about the axis of a cylindrical shell is provided for the circulation of a primary fluid between on the one hand an inlet header delimited by a central tube plate and by the top dished end of the shell and on the other hand a toric outlet header which is partly delimited by the peripheral tube plate and the shell wall and is located above an annular space between the shell wall and a coaxial inner skirt. At least one nozzle for the supply of secondary fluid in the liquid state opens into the annular space and a lateral chamber is formed within the shell between the primary fluid inlet and outlet headers for collecting the secondary-fluid steam produced in contact with the tubes.

REFERENCES:
patent: 3187807 (1965-06-01), Ammon
patent: 3831673 (1974-08-01), Hayden et al.
patent: 3906905 (1975-09-01), Andrieu et al.
patent: 4046110 (1977-09-01), Fritz et al.

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