Steam generator with pre-heating

Details Steam generator with pre-heating Steam generator with pre-heating

1981-02-19

1982-11-09

Yuen, Henry C.

Liquid heaters and vaporizers

Indirectly heated

Separate fluid

122 34, 122488, F22B 102

Patent

active

043579086

ABSTRACT:
A steam generator having cold branch and hot branch zones defined, inside the secondary envelope, by vertical partitions separating the cold limbs from the hot limbs, and outside the secondary envelope by a skirt surrounding a portion of the latter on the cold branch side, forming therewith a space closed on its sides and at its lower portion while leaving a passage to the cold branch zone from the inside of the envelope. The space is open at the top so that recycled water can return to the bundle of U-tubes through both zones, but secondary feed water circulates for the most part in the cold branch zone. Recycled water may be distributed between the cold and hot branch zones, and the pressure in these zones may be balanced at the level of a horizontal, perforated tubular plate.

REFERENCES:
patent: 3329129 (1967-07-01), Sandri
patent: 3651789 (1972-03-01), Giardina
patent: 3885621 (1975-05-01), Slebodnick
patent: 3906905 (1975-09-01), Andrieu et al.
patent: 4098329 (1978-07-01), Culver
patent: 4131085 (1978-12-01), McDonald
patent: 4148281 (1979-04-01), Stoll et al.
patent: 4200061 (1980-04-01), Sterk et al.
patent: 4261300 (1981-04-01), Gross et al.
patent: 4308914 (1982-01-01), Ruhe et al.

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