Device for stabilizing the tubes of the bundle of a steam genera

Details Device for stabilizing the tubes of the bundle of a steam genera Device for stabilizing the tubes of the bundle of a steam genera

1990-03-09

1991-08-27

Yuen, Henry C.

Liquid heaters and vaporizers

Supports

122 32, 122511, 122512, F22B 3724

Patent

active

050424335

ABSTRACT:
Arranged on the hemispherical dome forming the upper part of the bundle of the steam generator is a structure consisting of bows (16) in the form of a portion of a ring and connecting hoops (18). The anti-vibration bars (15) introduced between two layers of adjacent tubes (5) of the bundle are connected, at their outer end, to brackets (17) fastened to the bows (16) in a perpendicular direction. Some anti-vibration bars are fastened to the hoops (18). The anti-vibration bars are screw-fastened to the brackets (17) or the hoops (18). The stabilizing device can also include a comb-shaped anti-flyoff yoke which can be introduced under the tubes placed in the upper part of the dome and then rotated through 90.degree. in order to be fastened to a bow (16).

REFERENCES:
patent: 4137967 (1979-02-01), Hirschle
patent: 4590991 (1986-05-01), Cooper, Jr. et al.
patent: 4718377 (1988-01-01), Haller
patent: 4747373 (1988-05-01), Wepfer et al.
patent: 4753197 (1988-06-01), Mullinax
patent: 4893671 (1990-01-01), Lagally et al.
patent: 4895204 (1990-01-01), Johnson et al.

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