Glass manufacturing – Processes – Slag – utilization
Patent
1978-04-06
1979-05-08
Lindsay, Jr., Robert L.
Glass manufacturing
Processes
Slag, utilization
65 20, 65141, 65142, C03B 518
Patent
active
041534409
ABSTRACT:
Disclosed is a process for the treatment of metallurgical slag, the process comprising mechanical disintegration of a current of pyroplastic slag formed by initial cooling of a current of melting slag by means of water. This cooling comprises a first cooling phase taking place in the course of the flow of a continuous current of slag through an inclined channel into which a variable quantity of water is injected by pressure through the base, and a second cooling phase taking place during the largely free fall of the flow of slag onto a disintegration device. The initial slag cooling phase is accelerated or decelerated in accordance with the properties of the slag, and the intensity and/or duration of the mechanical disintegration is modified in accordance with the physical and granulometric properties of the slag required.
A further aspect of the invention provides an installation for the performance of the process as set forth above. The installation comprises means for the mechanical disintegration of the flow of pyroplastic slag from a blast furnace, and an inclined flow channel provided with means for the injection of the water through the base of the channel. The inclined flow channel is adjustable in its angle of inclination and the disintegration device comprises adjustable and/or interchangeable active elements.
REFERENCES:
patent: 821609 (1906-05-01), Colloseus
patent: 1483241 (1924-02-01), Opderbeck
patent: 2210999 (1940-08-01), Bartholomew
patent: 3054139 (1962-09-01), Bartholomew et al.
patent: 3594142 (1971-07-01), Margesson et al.
patent: 3607168 (1971-09-01), Grady
Legille Edouard
Metz Paul
Lindsay, Jr. Robert L.
Paul Wurth S.A.
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