Stayrod configuration for facilitating steam generator sludge la

Details Stayrod configuration for facilitating steam generator sludge la Stayrod configuration for facilitating steam generator sludge la

1987-09-21

1988-10-18

Warner, Steven E.

Liquid heaters and vaporizers

Tube sheets

122 32, 122379, 122511, F22B 3702

Patent

active

047779110

ABSTRACT:
A stayrod configuration for permitting complete sludge lancing of the tubesheet, including a plurality of first stayrods, each having the same diameter as the steam generator tubing and being threaded into the tubesheet at spaced positions which match the tube pattern. This plurality of first stayrods is attached to a connector, which is threaded to provide a receptacle for a second, full-length stayrod within a shortened spacer.

REFERENCES:
patent: 2898280 (1959-08-01), Schultz
patent: 3265128 (1966-08-01), Legrand
patent: 3557760 (1971-01-01), Romanos
patent: 3940168 (1976-02-01), Balon
patent: 4173997 (1979-11-01), Andrews et al.
patent: 4276856 (1981-07-01), Dent et al.
patent: 4303043 (1981-12-01), Redding
patent: 4357908 (1982-11-01), Yazidjian

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