Process for the recovery of metallic scrap

Details Process for the recovery of metallic scrap Process for the recovery of metallic scrap

1993-03-31

1994-06-28

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

C22B 1100

Patent

active

053243439

ABSTRACT:
Process for the recovery of galvanized steel sheet, by remelting with substantial elimination of zinc coating, in which the remelting operation is effected in a rotating furnace (1) under the heating action of at least one flame of fuel and an oxidizing agent which is industrial oxygen. The flame is oxidizing. The furnace is provided with at least one burner (2) for the fuel and industrial oxygen, and a dust catching device (8) in the fume conduit (7) adapted to retain at least a substantial portion of the particles of zinc oxide thus produced. The burner (2) is disposed centrally in an axial end wall (3) of the furnace opposite the fume conduit (7) and the furnace (1) turns in operation about a horizontal axis.

REFERENCES:
patent: 1739278 (1929-12-01), Baily
patent: 3317309 (1967-05-01), Rinesch
patent: 4612041 (1986-09-01), Matsuoka et al.

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