Process for cooling and comminuting molten calcium carbide

Details Process for cooling and comminuting molten calcium carbide Process for cooling and comminuting molten calcium carbide

1983-03-28

1985-04-02

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By impinging or atomizing with gaseous jet or blast

241 23, 264 7, 264 9, 264DIG51, 264 37, 425 7, B29C 2300

Patent

active

045086664

ABSTRACT:
The invention relates to a process comprising the cooling and comminuting of molten calcium carbide, wherein a molten stream of calcium carbide is tapped off from a furnace at 1900.degree. to 2100.degree. C., cooled and comminuted. More particularly, the molten calcium carbide is initially comminuted into droplets and the droplets are cooled to less than 200.degree. C. The process can be carried out with the aid of an apparatus comprised of a heatable or coolable feed duct, a nozzle for comminuting the molten stream, and a series of fluidized bed cooling zones.

REFERENCES:
patent: 2965922 (1960-12-01), Toulmin, Jr.
patent: 3043652 (1962-07-01), Schytil
patent: 3856441 (1974-12-01), Suzukawa et al.
patent: 4233007 (1980-11-01), Karlsson

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