Chemistry: physical processes – Physical processes – Agglomerating
Patent
1979-12-17
1981-02-10
Scovronek, Joseph
Chemistry: physical processes
Physical processes
Agglomerating
75 25, 75257, 264 37, 264109, 264117, 266216, 422243, 422291, 425237, C21B 304, C22B 702, C22B 114, B01D 5000
Patent
active
042499062
ABSTRACT:
A process for recovering and using fines of flux, such as limestone, used in a metallurgical process, such as oxygen steelmaking, is described. The process involves collecting fines from a receiving zone, e.g., with blower and baghouse equipment. The fines so collected are then conveyed, as by a dense-phase conveyor, to a first processing zone containing a first screening means for screening flux material which is to be fed to the process. Material not passing through said first screening means is fed to the metallurgical-process vessel, but fines passed by the first screening means are collected and formed into briquettes. The briquettes are conveyed to a second processing zone which is located above the conveyor which leads from the receiving zone to the first processing zone mentioned above. The second processing zone contains a second screening means and means for storing and releasing to the said conveyor the briquettes or portions thereof which have not passed through said second screening means. In particular, the second screening means serves to remove from the briquettes their flashings, which pass via the conveyor and the first screening means to the briquetter and are thus recycled and recovered.
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Linkhauer John W.
Scovronek Joseph
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