Apparatus and method for measuring the consistency of a pulp sus

Details Apparatus and method for measuring the consistency of a pulp sus Apparatus and method for measuring the consistency of a pulp sus

1977-11-18

1979-10-23

Corbin, John K.

Optics: measuring and testing

By polarized light examination

With polariscopes

162263, 250225, 356442, G01N 2140

Patent

active

041719166

ABSTRACT:
A consistency measuring apparatus and a method for determining fiber concentration of a pulp suspension, which utilizes a flow cell having a pair of parallel, light transparent side walls to allow the sample to be monitored to flow therethrough. A plane polarized beam of light is transmitted through the cell and received by a pair of detectors which have overlying plane polarized light analyzers, one having its axis of transmission crossed with and the other having its axis of transmission parallel to the plane of polarization of the transmitted light beam. The detectors provide electrical signals which are processed to give the consistency of the pulp suspension sample.

REFERENCES:
patent: 3283644 (1966-11-01), Saltzman
patent: 3518003 (1970-06-01), Meyn
patent: 3612689 (1971-10-01), Liskowitz

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