Process for the heat treatment of fine material

Details Process for the heat treatment of fine material Process for the heat treatment of fine material

1977-05-25

1978-11-28

Carter, Herbert T.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 91, 423625, 423 1, 423659, 423175, 106100, 432 14, 432 15, C22B 110, C01F 700

Patent

active

041274067

ABSTRACT:
Fine solid material is preheated in a first zone, then heated to the final treatment temperature by passing it through a flame in a second zone, and then separated in a third zone from the hot exhaust gases leaving the second zone. The separated exhaust gases are led to the first zone for preheating the material. A fuel feed stock is gasified to produce a combustible gas, and such gas is burned in the second zone to produce said flame.

REFERENCES:
patent: 1969371 (1934-08-01), Hawley
patent: 3265465 (1966-08-01), Turpin
patent: 3336109 (1967-08-01), Du Bellay et al.
patent: 3579616 (1971-05-01), Reh et al.

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