Production of spheroidal granules from molten inorganic material

Details Production of spheroidal granules from molten inorganic material Production of spheroidal granules from molten inorganic material

1980-08-06

1982-09-07

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

043483402

ABSTRACT:
Spheroidal granules or balls are prepared from molten metallurgical slags and scorias by pouring the molten material onto an uncooled rotary cylinder, after possible passage on an inclined feed plate or table, without any cooling being assured by liquid or gaseous means other than the ambient atmosphere between pouring of the material and the reception area where hard spherical granules pile up and can be sorted by screening. The spheroidal granules can be formed from all types of slags, especially basic, phosphated or not, steel mill slags.

REFERENCES:
patent: 1047370 (1912-12-01), Bergquist
patent: 1471421 (1923-10-01), Sem
patent: 1924728 (1933-08-01), Sem
patent: 2520168 (1950-08-01), Powell
patent: 3594142 (1971-07-01), Morgesson et al.
patent: 3709670 (1973-01-01), Eriksen
patent: 4115089 (1978-09-01), Metz et al.
patent: 4215084 (1980-07-01), Maringer
patent: 4256677 (1981-03-01), Lee

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