期刊
MINERALS & METALLURGICAL PROCESSING
卷 23, 期 4, 页码 187-195出版社
SOC MINING METALLURGY EXPLORATION INC
DOI: 10.1007/BF03403346
关键词
hindered bed separators; CrosslFlow separator; classification; density separation
Hindered-bed separators are recognized as low-cost, high-capacity devices for both classification and density separation; however, since their inception there have been few significant advances in the fundamental technology. Recently, Eriez has shown through modeling and pilot-scale testing that the innovative approach to feed presentation offered in the CrossFlow teeter-bed separator provides improved metallurgy when compared to traditional hindered-bed classifiers or single-stage coal spirals. This design feature prevents excess water from entering the separation chamber and disrupting the overall fluidization flow rate within the teeter zone. Most recently, a side-by-side industrial-scale evaluation verified that this technology improves overall efficiency and simultaneously reduces the separation cut point. With regards to coal processing, data from full-scale units indicate that the CrossFlow offers good separation efficiency, high unit capacity and metallurgical results consistent with laboratory- and pilot-scale separators.
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