STRUCTURAL ARRANGEMENT FOR A CONCENTRIC TUBE RECUPERATIVE HEAT EXCHANGER AND IN PARTICULAR A SUPPORT FOR MODULAR TUBE TYPE HEAT EXCHANGER

摘要

A concentric tube recuperative heat exchanger that comprises a plurality of laterally adjacent modules arranged as permit serial flow there through of a heating fluid and a fluid to be heated, each of said modules comprising a housing the encloses parallel upper an lower tube sheets having aligned apertures therein, said tube sheets driving each module in a lower compartment for a heating fluid, an upper compartment for a fluid that has been heated and an inlet compartment for cool fluid to be heated there between, outer tube means tightly embracing the apertures of the lower tubes sheet having a closed end that depends downward there from in to the compartment for the heating fluid, central tube means embracing an aperture of the upper tube sheet and extending co axially inside the outer tube to provide an annular passageway therebetween and inlet port in said housing adapted to admit a cool fluid to be heated to the inlet compartment and direct it down through annular passageway and up through the central tube and outlet compartment for the heated fluid, and means admitting a heating fluid to the heat exchange compartment the directing it over the outer tube means in heat exchange relatable to the fluid to be heated, characterized by the provision of the elongated support beam which extend laterally between the closing wall intermediate the tube sheets adapted to supported a tube sheets and the tube means depending therefrom.