Heating – Processes of heating or heater operation – Including passing – treating or conveying gas into or through...
Patent
1976-11-08
1978-10-03
Camby, John J.
Heating
Processes of heating or heater operation
Including passing, treating or conveying gas into or through...
432 58, 432106, F27B 1500
Patent
active
041181778
ABSTRACT:
Fine-grained material is heat treated by being preheated and then is heated to its calcining or sintering temperature, following which it is again heated to such temperature and subsequently cooled. The concentration and residence time of the material during its second heating are greater than they are during its first heating, and the concentration of oxygen is greater during the first heating of the material than during its second heating.
REFERENCES:
patent: 3932117 (1976-01-01), Ritzmann
patent: 4025295 (1977-05-01), Touborg
patent: 4039277 (1977-08-01), Kobayashi et al.
Bohm Peter Wolfgang
Butschko Gerhard
Lankes Erich
Ritzmann Horst
Weber Paul
Camby John J.
Polysius AG
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