Installation for treatment of waste metal and liquid dross

Details Installation for treatment of waste metal and liquid dross Installation for treatment of waste metal and liquid dross

1982-08-20

1984-11-06

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

With temperature modification of material

241284, B02C 1704

Patent

active

044807970

ABSTRACT:
In an apparatus for treating liquid dross wherein the dross is situated in a skimming trough and charged into a rotating, substantially horizontal cooling pipe through which it passes so that the dross is cooled to a temperature below the melting point thereof to obtain a granulated form, the dross is charged from the skimming tank into the cooling pipe and passed therethrough substantially in the absence of air or oxygen whereupon the cooled granulated dross is subjected to an autogenous grinding process, the ground dross then being separated into a granulated metal fraction and a fine-grained fraction. According to the apparatus of the invention, a hood is located over the inlet side of the cooling pipe so that the entrance of air into the pipe is substantially prevented. The skimming trough is sealingly engaged to the hood so that the dross is charged from the skimming trough into the cooling pipe without any substantial contact with the air. An autogenous grinding mill is provided having an inlet communicating with an outlet opening of the cooling pipe.

REFERENCES:
patent: 2029917 (1936-02-01), Frisch
patent: 3179345 (1965-04-01), Kivert et al.
patent: 4357111 (1982-11-01), Honemeyer et al.

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