Process and apparatus for making expanded slag

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

1997-12-19

1999-08-31

Vincent, Sean

Glass manufacturing

Processes

Slag, utilization

65 20, 65141, 241 15, 241 39, 425 8, C03B 518, C03B 1908

Patent

active

059448610

ABSTRACT:
Metallurgical slag is expanded to produce a lightweight solid by forming a stream of molten liquid slag of controlled rate of flow and mixing the stream of slag with a controlled quantity of water and flowing the interacting mixture of slag and water into a receptacle. The interaction between slag and water is allowed to proceed for a predetermined period of time to form an expanded solid without the addition of any additional cooling water which would otherwise quench the material and vitrify it. In the receptacle, a vaned rotor operates to segment the interacting mixture of slag and water and project the segmented mixture through the air for collection into a heap.

REFERENCES:
patent: 56595 (1866-07-01), Morris et al.
patent: 1047370 (1912-12-01), Bergquist
patent: 3594142 (1971-07-01), Margesson et al.
patent: 4115089 (1978-09-01), Metz et al.
patent: 4153440 (1979-05-01), Legille et al.
patent: 4171965 (1979-10-01), Schockmel
patent: 4414016 (1983-11-01), Orlander et al.
patent: 4451221 (1984-05-01), Orlander et al.
patent: 4461636 (1984-07-01), Gagneraud et al.

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