Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1976-12-21
1978-05-16
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
G01N 1500
Patent
active
040892107
ABSTRACT:
Filtering property of paper pulp is measured by the height of a filtrate column by periodically immersing a vessel having a filter bottom into the pulp. The device for measuring filtering properties of paper pulp with the aid of the vessel having the filter bottom, has a pneumatic system that immerses the vessel with the filter bottom into or removes it from the pulp at a certain time interval, and also a follow-up system for recording the result of each measurement of the filtrate level in the vessel by the magnitude of the hydrostatic pressure as measured by a bubbler. The device for measuring the filtering property of paper pulp is characterized in that the vessel with the filter bottom consists of two communicating compartments having unequal cross section areas, the bubbler being installed in the smaller compartment. The device ensures high accuracy of measurement of the filtering property of paper pulp in the course of time, that makes it possible to utilize the proposed device in a system for automatic control of the pulp grinding process.
REFERENCES:
patent: 2346746 (1944-04-01), Green
patent: 3186215 (1965-06-01), Danforth
patent: 3330151 (1967-07-01), Reinhall
patent: 3538749 (1970-11-01), Danforth
patent: 3688563 (1972-09-01), Enarsson et al.
Ivanov Mikhail Alexandrovich
Tischenko Alexandr Fedorovich
Yanishevsky Nisson Meerovich
Queisser Richard C.
Roskos Joseph W.
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