Liquid heaters and vaporizers – Water tube – Having plural fireboxes
Patent
1975-01-02
1976-04-06
Sprague, Kenneth W.
Liquid heaters and vaporizers
Water tube
Having plural fireboxes
110 1J, 122478, 431 10, F22B 3300, F22G 700, F23M 304
Patent
active
039482235
ABSTRACT:
A steam generator consists of several units in which combustion air is mixed with fuel at furnace sections placed in series. An excess of combustion air is used in the first furnace section and the exhaust gases which include unused combustion air are led into another furnace where fuel is added in sufficient quantities to use at least a portion of the combustion air which was not used in said first furnace.
REFERENCES:
patent: 2646790 (1953-07-01), Reygagne
patent: 2865344 (1958-12-01), Firl
patent: 2968288 (1961-01-01), Zoschak et al.
patent: 3048131 (1962-08-01), Hardgrove
patent: 3421824 (1969-01-01), Herbst
Foster Wheeler Energy Corporation
Naigur Marvin A.
Sprague Kenneth W.
Wilson John E.
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