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Metal Working

Double-valve-anti-leak-system-for-thermal-regeneration-incinerators

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Double valve anti-leak system for thermal regeneration incinerators

Details

Inventors: Benedick, Edward H.;
Assignee: Regenerative Environmental Equipment Co., Inc. (Morris Plains, NJ)
Primary Examiner: Favors; Edward G.
Assistant Examiner:
Attorney, Agent or Firm: Kimmelman; Nelson E.

In a system for purifying effluents from industrial processes in which there are a plurality of sections containing heat-exchange beds communicating with a high temperature incineration zone, the flow of effluent through the beds and the direction of flow being controlled by inlet and outlet valves associated with each section, double valves in series are provided at the inlet and/or outlet to each section to reduce leakage of the effluents past them when in a nominally closed position so as to prevent release of noxious gases into the ambient air. Additionally, purified heated gas from the incinerator may be fed under pressure between the valves of each set to suppress the flow of noxious effluent past any of the valves when they are supposed to be closed.

DETAILED DESCRIPTION Sets of two (series) valves are provided in the inlets and/or outlets of incineration systems using thermal regeneration principles.
In another form, pressurized and purified exhaust gases from the incinerator are recycled to the spaces between the two valves of each set.

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