Environment-friendly non-noise matte granulation technique

Details Environment-friendly non-noise matte granulation technique Environment-friendly non-noise matte granulation technique

2008-12-20

2010-12-28

Wyszomierski, George (Department: 1793)

Specialized metallurgical processes, compositions for use therei

Processes

Producing solid particulate free metal directly from liquid...

C075S643000

Reexamination Certificate

active

07857887

ABSTRACT:
The invention makes public an environment-friendly non-noise matte granulation technique. Melted matte flows out from the chute, then gas is sprayed on the matte through spray facilities; the gas disperses the melted matte into a large amount of tiny liquid drops, and cools the dispersed tiny drops to semi-melted or solid copper grains; in the following dropping course, the copper grains are quenched by pressurized cold water; finally, copper grains drop to the cold-water pond along with the pressurized cold water for further cooling, and the produced sand-like mattes are sent to the next procedure through dehydration-and-transportation system. It can overcome explosion and prevent chemical reaction in quenching, reduce noise pollution, and has the properties of simple procedure and easy operation to settle the problems existed in water quenching of matte.

REFERENCES:
patent: 2159433 (1939-05-01), Ervin
patent: RE36598 (2000-03-01), George
patent: 2008045002 (2008-02-01), None
patent: WO 9854103 (1998-12-01), None
Machine translation of JP 2008-0450002 A, published Feb. 2008.
Derwent Acc No. 1972-68055T for DD 91902 A (abstract) published Jul. 1971.

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