Carbonaceous packing material for prebaked anode maufacture in o

Details Carbonaceous packing material for prebaked anode maufacture in o Carbonaceous packing material for prebaked anode maufacture in o

1995-09-11

1997-11-04

Czaja, Donald E.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By mechanically introducing gas into material

264 37, 264 58, 264105, 264234, F27B 2100

Patent

active

056836317

ABSTRACT:
An improved method is provided for the production of heat-treated carbon bodies in open-pit, ring furnaces. In the improved process green carbon bodies are packed with a carbonaceous particulate packing material containing as a constituent green petroleum coke in a blend with calcined and/or recycled petroleum coke particles. Utilization of green petroleum coke, used primarily to replenish oxidized packing material in the ring furnace, results in significant energy and process cost savings. In the event the green petroleum coke is green delayed petroleum coke, the balance of the packing material is selected from calcined delayed petroleum coke, recycled packing material containing heat-treated delayed petroleum coke and/or mixtures of these; if the green petroleum coke used in the blend is green fluid petroleum coke, then the balance of the packing material is heat-treated calcined fluid coke. Low grade green delayed petroleum coke is allowed to be used in the packing material.

REFERENCES:
patent: 1170313 (1916-02-01), Nagelschmitz
patent: 1456495 (1923-05-01), Sieurin
patent: 1670052 (1928-05-01), Soderberg
patent: 2522766 (1950-09-01), Swallen et al.
patent: 2529041 (1950-11-01), Muller
patent: 3370113 (1968-02-01), Goeddel
patent: 4096097 (1978-06-01), Yan
patent: 5028370 (1991-07-01), Neuper

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