Liquid heaters and vaporizers – Fire and water tube
Patent
1977-11-22
1979-10-23
Sprague, Kenneth W.
Liquid heaters and vaporizers
Fire and water tube
122348, F22B 1102
Patent
active
041716850
ABSTRACT:
Hot water or steam boiler comprising a furnace section and a convection section in which the furnace section is limited by a wall section formed of liquid or steam tubes placed side by side, said tubes being arranged transversal to the flue gas flow and at fixed interrelated distances to form slots allowing passage of gas or steam.
REFERENCES:
patent: 811785 (1906-02-01), Meurisse
patent: 2038580 (1936-04-01), LaMont
patent: 3012548 (1961-12-01), Guszmann
patent: 3918410 (1975-11-01), Backman
Osby Varme AB
Sprague Kenneth W.
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