Device for detecting foreign matter in pulp suspension

Details Device for detecting foreign matter in pulp suspension Device for detecting foreign matter in pulp suspension

1993-09-15

1996-05-21

Lacey, David L.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With testing, sampling or analyzing

162198, 162263, D21B 100

Patent

active

055185843

ABSTRACT:
An apparatus for detecting and determining the average value of the foreign materials contained in pulp suspension includes a pulp suspension introducing passage connected to a separating device including a primary chamber and a secondary chamber separated by a screen, the pulp components in the pulp suspension passage pass through the primary chamber, screen, and secondary chamber; a circulation passage connected between the primary chamber's inlet and outlet for circulating the pulp suspension containing the foreign materials in the primary chamber therethrough; and a device for detecting and determining the average value of the foreign materials contained in the circulated pulp suspension, the detecting device being located in the circulation passage.

REFERENCES:
patent: 4758308 (1988-07-01), Carr
patent: 4863107 (1989-09-01), Harzl et al.
patent: 4931657 (1990-06-01), Houston et al.
patent: 5078859 (1992-01-01), Satomi
patent: 5278411 (1994-01-01), Popil et al.
Lavigne, J. R. "Paper Industry Instrumentation", Miller Freeman Pub; 1977.

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