Thermal sleeve for superheater nozzle to header connection

Liquid heaters and vaporizers – Steam treatment – Water tube boiler

Patent

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Details

122360, 122362, F22G 714

Patent

active

045261377

ABSTRACT:
A nozzle to header or pressure vessel connection includes a sleeve preferably of stainless steel extending within the bore of the nozzle and preferably cantilevered therefrom to extend into the aligned flow passage of the header. A portion of the sleeve preferably has an elliptical cross-section which traverses at least part of the distance of the bore and contacts the inner wall of the nozzle for press fitting of the sleeve to the nozzle.

REFERENCES:
patent: 911397 (1909-02-01), Howell
patent: T986007 (1979-09-01), Papia
patent: 2047633 (1936-07-01), Jacobus
patent: 2053413 (1936-09-01), Armacost
patent: 2058041 (1936-10-01), Shane et al.
patent: 4175779 (1979-11-01), Apblett

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