Media for heat exchange columns in regenerative thermal oxidizer

Details Media for heat exchange columns in regenerative thermal oxidizer Media for heat exchange columns in regenerative thermal oxidizer

1997-02-06

1998-05-26

Bennett, Henry A.

Heating

Work chamber having heating means

Combustion products heat work by contact

432180, 432179, 165 91, 165 92, F27D 1700

Patent

active

057555699

ABSTRACT:
A regenerative thermal oxidizer is provided with a combustion chamber and a plurality of heat transfer columns. Heat transfer media within the columns include solid surfaces which define vapor flow passages. To permit higher volumetric vapor flow rates nearer the combustion chamber, the passages are larger in cross-sectional area and the solid surfaces have less total surface area in those portions of the heat transfer media nearer the combustion chamber than in those portions away from the combustion chamber. The larger cross-sectional area of the passages and reduced area of the solid surfaces decreases the resistance to vapor flow and allows the passages to accommodate the higher volumetric flow rate of the vapor stream passing through the hotter portions of the heat transfer media. The relatively smaller cross-sectional area of the passages and increased area of the solid surfaces in that portion of the heat transfer media located away from the combustion chamber allows for more efficient heat transfer between the media and the vapor stream in those cooler portions of the heat transfer media.

REFERENCES:
patent: 3870474 (1975-03-01), Houston
patent: 4378045 (1983-03-01), Balke et al.
patent: 5352115 (1994-10-01), Klobucar

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