Importance

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Abstract

The present invention is directed to a regenerative thermal oxidizer apparatus and a method for purifying gases by thermal oxidation and by exchange of heat by inleting and outleting gases. The oxidizer has at least three regenerative thermal chamber units and these units have on a single surface both an inlet opening and an outlet opening which are typically connected to inlet and outlet gases. Set against the inlet and outlet openings is a slidable gate which has a single opening which moves through cycles so that its single opening coincides with the inlet opening of its chamber unit, or a space which is closed between the inlet and outlet opening, or coincide with the outlet opening. In other words, the gate cycles between inleting gases, no gas movement, and outleting gases. There are means providing for moving the gate through the aforesaid cycle and, as mentioned, inlet ducts and outlet ducts connected to their respective openings. The method involves utilizing the aforesaid apparatus so as to purify gases by incineration and to cuase heat exchange by first running inlet gases through a given chamber unit and outlet gases through another chamber unit and reversing the flow between units as well as switching units for inlet and outlet purposes.

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First Claim