Device for the pretreatment of electronic scrap

Details Device for the pretreatment of electronic scrap Device for the pretreatment of electronic scrap

1994-10-31

1997-12-23

Andrews, Melvyn

Metallurgical apparatus

With means treating or handling gases exhausted by treating...

Having means to treat or handle gases evolving from rotary...

266205, C22B 100

Patent

active

057004250

ABSTRACT:
A device for the pretreatment of electronic scrap, comprising a scroll cylinder (1) with a worm screw (2) inside it, endowed with inputs and outputs for thermal exchange fluid (13, 8) and electronic scrap to be treated (6, 14); a furnace comprising sucha device, further comprising input (9, 11) and output (23, 24) air barriers; a refrigerator comprising such a device too; as well as a proces for the pretreatment of electronic scrap making use of such a furnace and refrigerator.

REFERENCES:
patent: 3550925 (1970-12-01), Evans
patent: 3799735 (1974-03-01), Jensen
patent: 4639216 (1987-01-01), Schnupp
patent: 5196154 (1993-03-01), Celi
patent: 5198018 (1993-03-01), Agarwal
patent: 5520814 (1996-05-01), Celi
patent: 5522153 (1996-06-01), Celi
Patent Abstracts of Japan, JP4263026, Naoki et al., "Tin Separating Device Line for Tin Plating Steel Sheet", Feb. 2, 1993.

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