Free-floating combustion chamber and stack

Details Free-floating combustion chamber and stack Free-floating combustion chamber and stack

1980-02-19

1981-10-27

Favors, Edward G.

Combustion

Structural installation

110336, F23D 1320

Patent

active

042970946

ABSTRACT:
A burner-stack-furnace system comprising a stack of selected diameter and height, which is supported on a circular base ring, which is, itself, supported on a plurality of circularly positioned upright columns. The columns are supported on grade and are spaced equally circumferentially. The furnace or combustion section of the system is of the same diameter as the stack, and has a plurality of re-entrant vertical channels in its outer wall, spaced to surround each of the columns, with a selected air space between them. The combustion section thus hangs partly within the circle of the columns or piers, and partly between the piers. A shallow excavation is made below grade within and between the columns, and the combustion section extends downwardly into the excavation, which is deep enough that the bottom edge of the wall is above the base of the excavation. The combustion section is open on the bottom, but is filled with a porous fill of heat-resisting material, to a selected level. One or a plurality of circumferentially spaced openings in the wall of the combustion section are provided for combustion air and for gaseous or liquid fuel burners. In addition to the pipes which supply fuel to the burners, there are other pipes which supply either water or steam. The water is supplied through an atomizing nozzle, so that the droplets flow directly into the path of the fuel and into the flame.

REFERENCES:
patent: 3933420 (1976-01-01), Zink et al.
patent: 4065247 (1977-12-01), Okigami et al.
patent: 4140471 (1979-02-01), Straitz et al.

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