초록 ▼

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

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.

대표청구항 ▼

Incineration Apparatus comprising (a) a plurality of heat-exchange sections each having a plurality of heat-exchange elements, (b) a plurality of inlets respectively associated with said sections for carrying to said sections gaseous effluents to be oxidized, (c) a plurality of outlets respectively

Incineration Apparatus comprising (a) a plurality of heat-exchange sections each having a plurality of heat-exchange elements, (b) a plurality of inlets respectively associated with said sections for carrying to said sections gaseous effluents to be oxidized, (c) a plurality of outlets respectively associated with said sections for removing purified gaseous combustion products therefrom, (d) a high-temperature oxidation chamber in communication with each of said sections, and (e) a predetermined number of sets of valve means, each set including two valves spaced from one another and disposed in series in predetermined ones of said inlets and outlets, each of said sets operating to minimize passage of gas through them when they are nominally closed.