Heating – Processes of heating or heater operation – Including repairing – converting or assembling apparatus
Patent
1976-11-22
1978-07-25
Camby, John J.
Heating
Processes of heating or heater operation
Including repairing, converting or assembling apparatus
432179, 432223, 165164, 165165, 285137R, 138 38, 136116, F28F 110
Patent
active
041026322
ABSTRACT:
A heat recuperator for recovering thermal energy from exhaust gases emitted by a high temperature combustion furnace. The thermal energy is absorbed by an incoming stream of air. The heated air may be diverted to auxiliary heat-requiring systems and/or mixed with fuel and used in the combustion process thereby providing significant savings in energy consumption. The heat recuperator is constructed as a countercurrent-flow heat exchanger, preferentially, from a plurality of interchangeable modular elements. Each modular element is longitudinally separated into at least two flow channels in heat exchange relationship. One flow channel is used for hot exhaust gases while the incoming air is forced countercurrently through another flow channel to thereby absorb thermal energy from the hot exhaust gases. Modular construction readily accommodates (1) assembly of various size heat recuperators from standardized modular elements, (2) replacement of damaged modular elements without replacing the entire heat recuperator, (3) ease of (a) handling, (b) disassembly, and (c) cleaning and (4) selectively fabricating different modular elements from different materials of construction to specifically meet and withstand the different environmental conditions to be encountered by the various parts of the heat recuperator so constructed.
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Industrial Furnaces by W. Trink, 4th Edition, vol. 1, pp. 374-395.
Camby John J.
Workman H. Ross
Young J. Winslow
Yuen Henry C.
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