Liquid heaters and vaporizers – Plants – Feed water heaters
Patent
1994-03-08
1994-12-27
Favors, Edward G.
Liquid heaters and vaporizers
Plants
Feed water heaters
F22D 100
Patent
active
053755626
ABSTRACT:
A catalytic incinerator system for oxidation/combustion of volatile organic compounds (VOC's). The system is relatively compact, is designed to accommodate the thermal stresses within the system without adversely affecting the system components, and to provide substantially uniform temperature distribution in the VOC's and combustion air. The system includes a dual shell housing having an inner shell and an outer shell, wherein the inner shell is capable of thermal expansion and movement relative to the outer shell. Also included is a multi-pass tube-type heat exchanger suspended or otherwise mounted within a heat exchange chamber. The heat exchanger is mounted within the heat exchange chamber so that one end is unfixed and thus the heat exchanger can freely expand and contract due to temperature fluctuations within the heat exchange chamber. Additionally, a unique baffle system is disposed in the flow path of the VOC's and combustion air within the combustion chamber to provide a uniform temperature distribution, resulting in substantially complete oxidation of the VOC's. Also, a heat exchanger by-pass is included so that the VOC's may by-pass the heat exchanger on the "cold" side, or the hot exhaust gases may by-pass the heat exchanger on the "hot" side. This permits control of the temperatures reached by the hot exhaust gases, thereby preventing damage to system components due to excessively high temperatures.
REFERENCES:
patent: 4444735 (1984-04-01), Birmingham et al.
patent: 4983364 (1991-01-01), Buck et al.
patent: 5161488 (1992-11-01), Natter
Brinck Joseph A.
Reis Stephen L.
Brinck Joseph A.
Favors Edward G.
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