Heating – Processes of heating or heater operation – Controlling flame position or work atmosphere
Patent
1977-02-07
1979-01-09
Camby, John J.
Heating
Processes of heating or heater operation
Controlling flame position or work atmosphere
75 44R, 100 38, 100 92, 264111, 432 72, F27D 700
Patent
active
041336356
ABSTRACT:
A system for drying and preheating small metallic particles such as chips, turnings, borings and the like to remove volatiles therefrom which includes a dryer working in conjunction with a briquetting press. The dryer includes a drying and preliminary combustion chamber including a revolving drum therein through which the chips pass. The drying and preliminary combustion is heated and is atmospherically sealed and operated with a reducing atmosphere. The volatiles driven from the metallic particles are passed to a combustion completion chamber which is maintained at a temperature sufficient to burn the combustibles and into which air is injected to complete the combustion. The hot metallic particles are thermally insulated and sealed from the atmosphere while being conveyed from the drying and preliminary combustion chamber to the briquetting press where they are compressed into briquettes for subsequent introduction into induction furnaces and the like.
REFERENCES:
patent: 1303799 (1919-05-01), Jarvis
patent: 3306237 (1967-02-01), Ransom, Jr.
patent: 3450529 (1969-06-01), MacDonald
patent: 3616515 (1971-11-01), Moore
patent: 3619908 (1971-11-01), Kallas
patent: 3656735 (1972-04-01), Eliot
patent: 3739488 (1973-06-01), Khan
patent: 3817697 (1974-06-01), Parobek
patent: 3960069 (1976-06-01), Bowyer
Fellnor John R.
Love, Jr. William J.
Camby John J.
Combustion Engineering Inc.
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