Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent
1984-09-14
1986-04-29
Lutter, Frank W.
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Sorting special items or sorting by methods and apparatus...
209 17, 209156, 44 1SR, 241 21, 241 24, 241 77, 241 88, 241 791, B03B 562, B03B 1100, B02C 1702
Patent
active
045855471
ABSTRACT:
The present invention is directed to a method and apparatus for separating coal from impurities, which comprises a first and second tank including drag conveyor means and agitation means for the combination of saturating a raw mass containing coal and impurities, dispersing the impurities in to water, separating the coal from the impurities and flowing the mass from the front of the tanks to the rear of the tanks. A crusher as arranged between the tanks through conveyor means for transferring the mass between from one tank to the crusher and from the crusher to the other tank. The mass from the second tank is conveyed in to a separator pan which includes a separator plate, the separator plate having a configuration and being located within the separator pan at a position, so that an upper flow portion of the mass having a lower specific gravity passes thereover, and so that a lower flow portion of the mass having a higher specific gravity passes thereunder and out a hole in the bottom of the separator. A collector bin is located at an output flow end of the separator pan for collecting coal particles from the upper flow portion of the mass flowing over the separator.
REFERENCES:
patent: 756214 (1904-04-01), Cornell
patent: 1792179 (1931-02-01), McLean
patent: 2139047 (1938-12-01), Tromp
patent: 2365734 (1944-12-01), Tromp
patent: 2718966 (1955-09-01), Hardinge
patent: 3165269 (1965-01-01), Blackburn et al.
patent: 4484928 (1984-11-01), Keller, Jr.
Lithgow Thomas M.
Lutter Frank W.
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