Steam generating heat exchanger

Details Steam generating heat exchanger Steam generating heat exchanger

1981-10-16

1983-08-16

Favors, Edward G.

Liquid heaters and vaporizers

Steam treatment

Flue boiler

122467, F22G 300

Patent

active

043985041

ABSTRACT:
A steam generating heat exchanger (2) for cooling a high pressure, hot gas laden with molten ash particles comprising an inverted U-shaped pressure containment structure (4,6,8) having various heat exchange means disposed therein. The heat exchanger is formed of a first vertically elongated cylindrical pressure containment vessel (4) housing a radiant cooling chamber (12) therein, a second vertically elongated cylindrical pressure containment vessel (6) housing a convective cooling chamber (30) therein, and a pressure containment pipe (8) connecting the second pressure containment vessel (6) to the first pressure containment vessel (4) and housing therein a water-cooled duct (26) connecting the gas outlet of the radiant cooling chamber (12) disposed within the first pressure containment vessel (4) to the gas inlet of the convective cooling chamber (30) disposed within the second pressure containment vessel (6).

REFERENCES:
patent: 2869521 (1959-01-01), Hardgrove
patent: 2894494 (1959-07-01), Brooks et al.
patent: 2948267 (1960-08-01), Koch et al.
patent: 3263423 (1966-08-01), Gorzegno et al.
patent: 3312198 (1967-04-01), Eckerlin

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