Liquid heaters and vaporizers – Heat transmitter – Double immersed heat transmitters
Patent
1993-07-12
1994-10-18
Favors, Edward G.
Liquid heaters and vaporizers
Heat transmitter
Double immersed heat transmitters
122 442, 1221552, 165183, 165185, F22B 2306
Patent
active
053558430
ABSTRACT:
A radiative heat transfer mechanism in a furnace having burners through which pulverized coal and air are burned producing combustion gases and contaminants. A plurality of elongated conduits are positioned inside the furnace proximate to the burners generally parallel to the flow of combustion gases in the furnace. A plurality of thin filaments are inside each of the elongated hollow conduits, the filaments having diameters in the range of from about 1 micrometer to about 1,000 micrometers and having an infrared radiation cross-section sufficient to cause the filaments to heat upon exposure to infrared radiation. Blower mechanism is associated with the elongated conduits for limiting the amount of soot and ash which deposit on the conduits to preserve the radiative and convective transfer of heat energy from the combustion gases to the conduits.
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patent: 4705106 (1987-11-01), Hornack et al.
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Future Power Plants and Industrial Process Application "Ceramic Heat Exchangers for Coal Fired and Dirty Gas Application", W. R. Laws and G. R. Reed, pp. 550-567, Peabody Encomech, Ltd., Maidstone, U.K. no date.
Basic Problems in High Temperature Heat Exchangers, "Augmented Heat Exchangers For High Temperature Applications", A. E. Bergles, pp. 39-59, Heat Transfer Laboratory, Department of Mechanical Engineering, Iowa State University, Ames, Iowa 60011 no date.
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Ahluwalia Rajesh K.
Im Kwan H.
Favors Edward G.
University of Chicago
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