Classifying – separating – and assorting solids – Magnetic – Paramagnetic
Patent
1979-01-11
1980-09-23
Halper, Robert
Classifying, separating, and assorting solids
Magnetic
Paramagnetic
209144, 210512R, B04C 514
Patent
active
042241430
ABSTRACT:
A replaceable shallow bottom dish assembly of novel geometry and critical settings which are fixed for the vortex finder and orifice outlet to establish washing efficiency, quality and recovery for ash and inorganic sulfur removal in the water washing of coal. Some operating linear adjustments are the fixed settings of the dish curvature at the throat, the dish depth or height and the distance between the bottom of the vortex finder and the top of the dish. These critical adjustments are best expressed as a fraction of the cyclone inside diameter. The replaceable shallow dish is abrasion resistant and includes an orifice unit supported by a plate bolted to the lower end of the cyclone and designed to be lowered and pivoted away from the cyclone so as to enable easy access into the cyclone for adjustment and repair.
Additionally, there is described a method of rebuilding the bottom sections of existing cyclones in an abrasion resistant form which increases cyclone service life and maintains high efficiency of separation.
REFERENCES:
patent: Re26720 (1969-11-01), Visman
patent: 3087645 (1963-04-01), Eddy
patent: 3136723 (1964-06-01), Edwin
patent: 3800946 (1974-04-01), Reid
patent: 3887456 (1975-06-01), Loughner
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patent: 3902601 (1975-09-01), Turnleg
patent: 3923210 (1975-12-01), Alexander
patent: 4090956 (1978-05-01), Benzon
Translation from Chemie-Engenieur Technik 30, 1958: 85-95, Trawinski-Approximate Formulations for Calculations of Important Operating Data for Hydrocyclones & Centrifuges, pp. 7, 8.
Halper Robert
Saffitz Abraham A.
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