Method for producing granules from molten metallurgical slags

Details Method for producing granules from molten metallurgical slags Method for producing granules from molten metallurgical slags

1981-02-18

1982-11-09

Hall, James R.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

Utilizing centrifugal force or rotating forming zone

B01J 202

Patent

active

043584152

ABSTRACT:
A method of manufacturing granules from slags produced in metallurgical furnaces such as blast furnaces, converter furnaces, electric furnaces and reverberatory furnaces. A molten slag stream from a container at a velocity of at least two meters per second is impinged upon a non-wetting target surface, from which the stream rebounds in a film of projected droplets having the shape of an inverted cone. Cooling and solidifying the droplets by their projected flight in air forms solid granules.

REFERENCES:
patent: 2488353 (1949-11-01), Unger
patent: 3617587 (1971-11-01), Nayar
patent: 3829538 (1974-08-01), Darmara et al.

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