Fuel and related compositions – Liquid fuels – Aluminum or heavy metal – other than lead – containing
Patent
1975-09-26
1977-08-16
Dees, Carl F.
Fuel and related compositions
Liquid fuels
Aluminum or heavy metal, other than lead, containing
44 13, 44 24, C10L 500, C10L 522
Patent
active
040423433
ABSTRACT:
A process and apparatus for producing fire logs from a granular combustible starting ingredient and a hot binder includes a continuous cooler so that the entire process may be continuous from starting ingredients to final product. A combustible starting ingredient in the form of sawdust is mixed to a mixer with hot wax to form a hot mixture which is conveyed to the cooler. Cooled air enters the cooler lower portion and rises upwardly between a plurality of spaced transversely oriented rotatable rollers of a conveyor arrangement, which arrangement conveys the hot product through its cooling process to an outlet end of the cooler. The hot product that passes between the rollers is in turn conveyed by a pair of screw conveyors to the same outlet. Heated air is exhausted through an exhaust outlet. The conveyor rollers are interconnected whereby driving a first of the rollers correspondingly drives each of the others in the same direction. Elongated scrapers are mounted adjacent each of the rollers for removing adhered product. A refrigeration unit is included for cooling the inlet air to the cooler. A salt feeder is provided for adding flame enhancing chemicals to the cooled mixture prior to entering an extruder where fire log shapes are produced. The process is completed by cutting the fire log shapes to length and wrapping in a protective cover.
REFERENCES:
patent: 2212916 (1940-08-01), Hawkins et al.
patent: 2833633 (1958-05-01), Hecht
patent: 3227530 (1966-01-01), Levelton
patent: 3726651 (1973-04-01), Ronden
patent: 3843336 (1974-10-01), Messman
Dees Carl F.
The Clorox Company
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