Steam generator

Details Steam generator Steam generator

1995-02-21

1997-12-30

Bennett, Henry A.

Liquid heaters and vaporizers

Water tube

Having specific tube patterns

12223511, 12223512, 122130, 1224064, F22B 1500, F22B 2500, F22B 3710

Patent

active

057018502

ABSTRACT:
A fossil-fired steam generator includes a gas flue having a surrounding wall being formed by tubes which are mutually joined gas-tightly and which are disposed substantially vertically and can conduct an upward flow through them on the medium side. The tubes in a first or lower part of the gas flue have a greater internal diameter than the tubes in a second part of the gas flue located above. On one hand, this ensures reliable cooling of the tubes. On the other hand, even additional or above-average heating of individual tubes does not lead to inadmissible temperature differences between outlets of the tubes.

REFERENCES:
patent: 475479 (1892-05-01), Abel
patent: 3221713 (1965-12-01), Wiener
patent: 3556059 (1971-01-01), Friedrich
patent: 4075979 (1978-02-01), Michel
patent: 4178881 (1979-12-01), Pratt et al.
patent: 4191133 (1980-03-01), Stevens
patent: 5347955 (1994-09-01), Wittchow
patent: 5390631 (1995-02-01), Albrecht

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