Liquid heaters and vaporizers – Subsidiary
Patent
1979-04-12
1981-01-13
Favors, Edward G.
Liquid heaters and vaporizers
Subsidiary
122135R, 126365, F22B 3300
Patent
active
042443261
ABSTRACT:
All of the hot flue gases from a furnace are collected and passed through a conduit extending through a closed heat chamber. A plurality of steam coils are disposed about the conduit within the heat chamber at spaced locations along the length of the conduit. Each steam coil is connected to a common water header located within the heat chamber parallel to the conduit. The water header is supplied with water which may be preheated in a suitable water jacket disposed in contact with the outlet end of the conduit outside the heat chamber. Each steam coil has a gradually increasing diameter with the largest diameter end of the coil passing outwardly through an aperture in the heat chamber for delivering steam to be used in any desired manner. A pair of parallel spaced apart pipes extend parallel to the conduit from one end of the heat chamber to the other. One of the pipes is closed at one end and the other pipe is closed at the opposite end. The open ends of each pipe are connected to L-shaped pipe sections which extend radially outwardly through the wall of the heat chamber and are connected to opposite ends of a suction blower unit. Each pipe is provided with a plurality of apertures, each of which opens radially inwardly toward a respective steam coil. Curved semi-cylindrical flanges extend in opposite directions from each aperture in spaced relation to a circumferential portion of the respective steam coil to provide a vigorous circulation of air about each steam coil.
REFERENCES:
patent: 2515869 (1950-07-01), Gregg et al.
patent: 2998807 (1961-09-01), Clarkson et al.
patent: 3364902 (1968-01-01), Horton
patent: 3858556 (1975-01-01), Terentiev et al.
patent: 4020797 (1977-05-01), Hug
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