Furnaces – Smokestacks
Patent
1980-06-05
1983-05-03
Favors, Edward G.
Furnaces
Smokestacks
52249, 98 58, F23J 1100
Patent
active
043817173
ABSTRACT:
A dual wall concrete smokestack having a freestanding flue liner in each flue. The smokestack being constructed of preassembled and precast concrete sections axially stacked one upon the other. The preassembled sections have a precast concrete body having a flue aperture. An inner flue liner is carried within the flue aperture spaced inwardly and concentrically from the wall of the flue aperture. The wall of the flue aperture further having a flue liner stop means. The inner flue liner having a bracket for engaging the flue liner stop means to prevent the flue liner from dropping downwardly and out of the concrete body when being transported to the site of construction. The concrete body further having another aperture to be aligned with a corresponding aperture of an adjacent section for receiving reinforcing rods extending from the bottom of the smokestack to the top of the smokestack and for receiving poured concrete as the smokestack is being erected to tie the sections together.
REFERENCES:
patent: 2219281 (1940-10-01), Granstrom
patent: 3749132 (1973-07-01), Prezewalski
patent: 3822636 (1974-07-01), Chadwick
patent: 3872780 (1975-03-01), Zanias
patent: 4104868 (1978-08-01), Jackson
patent: 4111107 (1978-09-01), Engleke
patent: 4111327 (1978-09-01), Janakiev
patent: 4216709 (1980-08-01), Bottenbruch
Conover Richard C.
Favors Edward G.
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