Heating – With heating gas conveying – agitating – scattering or...
Patent
1977-02-04
1979-09-11
Camby, John J.
Heating
With heating gas conveying, agitating, scattering or...
432 95, F27B 1500
Patent
active
041673905
ABSTRACT:
A process and an apparatus is used for burning crushed raw powder to effect deacidifying, sintering or melting minerals in said powder. The process comprises the steps of providing a closed, elongated furnace chamber and establishing and maintaining a current of gas from one end of the furnace chamber to the other end thereof at a negative pressure. Combustion is effected in at least one zone of the chamber for burning the raw powder to form a burnt reaction product. The burnt product is separated from the current of gas under negative pressure. The assembly used to effect the process includes a mixing tube fitted with a mechanism for introducing atmospheric air to be mixed with the raw powder before entering the elongated furnace chamber. Other specific mechanisms are used to transfer the raw powder through the entire assembly for treatment thereof.
REFERENCES:
patent: 3447789 (1969-06-01), Sharp
patent: 3511485 (1970-05-01), Mack
patent: 3832430 (1974-08-01), Noziere
patent: 3911594 (1975-10-01), McIntire
patent: 4057908 (1977-11-01), Mirliss et al.
Camby John J.
Markva Neil F.
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