Method for automatic determination of the dry pulp content, the

Details Method for automatic determination of the dry pulp content, the Method for automatic determination of the dry pulp content, the

1989-01-25

1991-06-25

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With testing, sampling or analyzing

162258, 162263, 73 63, 73 61R, 73 614, D21F 108, G01N 500

Patent

active

050264559

ABSTRACT:
A method and an apparatus for the automatic determination of the dry pulp content, the infiltration capacity and the wire retention of a pulp suspension. In the method the automatically or manually taken pulp suspension sample is brought to the sample container (2) of the determination equipment (1) located in the immediate neighborhood of the production or the operation process. According to the invention the quantity of the sample in the sample container is measured by weighing, the sample is in case of need attenuated into the processing consistency range, a part of the sample is led to the filter (4), is filtrated in the filter with and/or without a filtering paper, the sample cake obtained is transferred to the desiccator (8) and dried with the desiccator, the dried sample cake is weighed and the test results are written out with the output equipment (11). To the equipment in accordance with the invention belongs a cabinet-like basic unit, inside the basic unit placed on a scale mounted sample containers (2), a filter station (3, 4, 5, 6), an evaporization station (8), a scale station (9), a filtering paper storage depot (7) and inside the basic unit movable made conveyor unit (12).

REFERENCES:
patent: 3488078 (1969-12-01), Sepall et al.
patent: 3893333 (1978-07-01), Sunahara et al.
patent: 4114427 (1978-09-01), Iguchi et al.
patent: 4409853 (1983-10-01), Chase et al.
patent: 4662991 (1987-05-01), Karna et al.
patent: 4704899 (1987-11-01), Burr et al.
patent: 4708011 (1987-11-01), Rautakorpi et al.

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