Process and apparatus for making expanded slag

Details Process and apparatus for making expanded slag Process and apparatus for making expanded slag

1976-10-21

1978-09-19

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Slag, utilization

65 1, 65141, 65142, 264 8, 264 15, 425 8, C03B 1910

Patent

active

041150899

ABSTRACT:
Expanded slag, especially blast-furnace slag of Thomas melts is made by passing the slag along a trough in which water is fed into a layer of the molten slag. The slag is then permitted to cascade downwardly along an inclined surface which is wetted with water and finally is dispersed by a rotating disintegration drum and curtain of finely divided water. The expanded slag has a lower density, a more complete expansion characteristic and a greater uniformity than conventionally produced expanded slags.

REFERENCES:
patent: 1047370 (1912-12-01), Bergquist
patent: 2210999 (1940-08-01), Bartholomew
patent: 3104164 (1963-09-01), Osborne
patent: 3594142 (1971-07-01), Margessen et al.
patent: 3833354 (1974-09-01), Thummier et al.

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