Air port casting

Details Air port casting Air port casting

1998-09-21

2000-05-02

Ferensic, Denise L.

Liquid heaters and vaporizers

Industrial

Port

1101825, F22B 3706

Patent

active

060559438

ABSTRACT:
Improved air port castings are employed in a recovery boiler, eliminating the use of a crotch plate in a membrane/tube type boiler. The casting extends over the exposed portion where the membrane begins again at an air port, providing a sacrificial member that is replaceable. An upper mounting bolt is employed, but no lower bolt is required, making replacement of the casting simpler. A damper guide is formed as an integral portion of the air port casting.

REFERENCES:
patent: 3742916 (1973-07-01), Wessberg et al.
patent: 4940004 (1990-07-01), Jansen
patent: 5001992 (1991-03-01), Higgins et al.
patent: 5044327 (1991-09-01), Hunt
patent: 5307745 (1994-05-01), Higgins et al.
patent: 5528999 (1996-06-01), Salmi

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