Heating – Work chamber having heating means – Combustion products heat work by contact
Patent
1993-02-02
1994-09-13
Yuen, Henry C.
Heating
Work chamber having heating means
Combustion products heat work by contact
432180, 432181, 110211, F27D 1700
Patent
active
053463935
ABSTRACT:
A damper system for three bed thermal regenerative oxidizers is disclosed, which employs two blades pivotally mounted in a body having two chambers separated by a septum. The first chamber receives an inlet gas through a first aperture and has a second aperture providing a flow path to a first regenerator bed. The second chamber incorporates a third aperture communicating with a second regenerator and a fourth aperture communicating with a third regenerator. The septum intermediate the first and second chambers incorporates a fifth aperture for communication between the chambers. Positioning of the first damper blade to seal the fifth aperture allows flow from the inlet to the first regenerator bed. Repositioning of the first blade to a second position covering the second aperture allows flow from the inlet through the aperture in the septum into the second chamber and through the third aperture to the second regenerative bed. Repositioning of the second blade from its first position sealing the fourth aperture to a second position sealing the third aperture allows flow from the second chamber into the third regenerator bed. Flow control is accomplished to three separate regenerator beds, employing only two damper blades enclosed in a common damper module which is easily mountable for inlet, exhaust and purge control in an oxidizer system.
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Smith Engineering Company
Yuen Henry C.
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