Method and apparatus for drying metal chips

Details Method and apparatus for drying metal chips Method and apparatus for drying metal chips

1986-05-23

1987-12-01

Favors, Edward G.

Heating

With heating gas conveying, agitating, scattering or...

34 57E, 432 14, F27B 1500

Patent

active

047101261

ABSTRACT:
There is disclosed a process for producing dry metal chips by entraining fluid-containing metal chips in a gas, introducing the gas into a cyclone separator having an internal wall heated to fluid-vaporizing temperature by combustion in a surrounding chamber, purging and vaporizing fluid from said chips, exhausting hot gases and exiting dried metal chips from said separator, conducting hot gaseous products of combustion from the combustion chamber to a continuous centrifuge, extracting extractable fluid from starting metal chips in the centrifuge, entraining the chips in the hot gaseous products of combustion introduced into the centrifuge, and conducting the gaseous products with entrained chips from the continuous centrifuge to the cyclone separator, thereby providing an essentially closed system. The combustion chamber may be a part of an afterburner furnace and hot gases entraining vaporized oil exhausted from the cyclone separator may be recycled and employed as fuel for the combustion chamber. Apparatus for carrying out the said process is also disclosed.

REFERENCES:
patent: 2522342 (1950-09-01), Byers
patent: 4018262 (1977-04-01), Jaschinski et al.
patent: 4089119 (1978-05-01), Heinze
patent: 4190415 (1980-02-01), Singrey
patent: 4480392 (1984-11-01), Luthi

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