Asphalt kettle and closure therefor

Details Asphalt kettle and closure therefor Asphalt kettle and closure therefor

1975-03-17

1976-12-07

O'Dea, William F.

Stoves and furnaces

Melting furnaces

E01C 1945

Patent

active

039956164

ABSTRACT:
An asphalt kettle having a heating chamber therein for the receipt of asphalt and a three-dimensional closure secured over the chamber. The side walls of the closure are provided with chute-like openings through which asphalt chunks may be loaded into the chamber and these openings are provided with hingedly mounted interior doors which normally assume a closed condition under the influence of gravity and/or the creation of a high pressure condition within the chamber. The closure may lift, within limits, in the event of an explosion in the chamber and a deflection skirt is provided to downwardly direct gas and debris in such event. An induction pipe is connected between the closure and a gas inductor in the stack for the kettle. The pipe is provided with a heat sink to prevent flash-back from the stack into the interior of the kettle chamber.

REFERENCES:
patent: 490218 (1893-01-01), Winding
patent: 1757740 (1930-05-01), Rosner
patent: 2290742 (1942-07-01), Elze
patent: 3220403 (1965-11-01), Figge
patent: 3252655 (1966-05-01), Wollner et al.
patent: 3718131 (1973-02-01), Busse et al.
patent: 3804079 (1974-01-01), Schrader

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