Removable damper for chemical recovery furnace

Details Removable damper for chemical recovery furnace Removable damper for chemical recovery furnace

1993-11-30

1994-10-04

Favors, Edward G.

Furnaces

Tuyeres

15246, 422185, F23L 500

Patent

active

053516311

ABSTRACT:
Damper apparatus for air ports of a chemical recovery furnace is mounted on a removable windbox faceplate. Damper blades extend from cantilevered arms pivoted at the forward side of the faceplate, with the damper blades being otherwise unsupported, i.e., they are not confined to travel in tracks within the windbox. Rather, a spring or counterweight urges the damper blades against the air port opening whereby the whole mechanism is free for removal as a unit with the faceplate. Cooperatively operable air port cleaning apparatus is also mounted on the faceplate.

REFERENCES:
patent: 4423533 (1984-01-01), Goodspeed
patent: 5001992 (1991-03-01), Higgins et al.
patent: 5070823 (1991-12-01), Ackerman et al.

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