Importance

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Abstract

A furnace for thermally cracking hydrocarbon process fluid is provided. The furnace comprises a convection section including a plurality of convection sub-sections, a radiant section comprising a plurality of radiant sub-sections, and an enclosure defining a plurality of discrete sectors. Each discrete sector of the enclosure includes a convection sub-section having at least one convection conduit for carrying hydrocarbon process fluid, at least one radiant sub-section having at least one radiant conduit connected to receive preheated hydrocarbon process fluid from the convection conduit, and a heat source configured to deliver heat into the discrete sector. Adjacent sectors of the furnace are segregated from each other, such that the heat delivered from the heat source is substantially localized in the discrete sector of the enclosure.

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First Claim