Centrifugal granulometer

Details Centrifugal granulometer Centrifugal granulometer

1976-03-22

1977-10-25

Queisser, Richard C.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

356197, G01N 1504

Patent

active

040550761

ABSTRACT:
A centrifugal granulometer comprises a hollow circular horizontal plate that is driven in rotation about its vertical axis and that has a transparent peripheral zone. Particulate material is introduced into the interior of the plate at a predetermined distance radially inward of the periphery of the plate, where it becomes suspended in a liquid. Upon rotation of the plate, the particles migrate through the liquid radially outwardly in dependence on their mass and size. A light beam passing through the translucent peripheral portion is transmitted to a photoelectric receiver with an intensity that varies inversely as the concentration of particles in the peripheral zone. The plot of transmitted light versus time gives information as to the quantity and distribution of the particles according to size and weight.

REFERENCES:
patent: 2113175 (1938-04-01), Elrod
patent: 3009388 (1961-11-01), Polanyi
patent: 3572930 (1971-03-01), Morcom et al.
patent: 3586484 (1971-06-01), Anderson
patent: 3652860 (1972-03-01), Walker
patent: 3679367 (1972-07-01), Negersmith et al.
patent: 3807874 (1974-04-01), Gropper

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