Device for taking a filtrate sample from slush pulp

Details Device for taking a filtrate sample from slush pulp Device for taking a filtrate sample from slush pulp

1995-12-15

1997-04-29

Raevis, Robert

Measuring and testing

Sampler, sample handling, etc.

Withdrawing through conduit or receptacle wall

G01N 122

Patent

active

056251572

ABSTRACT:
Device for taking a filtrate sample from fibrous slush pulp through the wall (2) of a container (1) containing pulp, said device comprising a cylinder (3) mounted on the wall (2) so that it goes through the wall, with its open end (5) towards the container (1); a piston (7) placed in the cylinder space and forming a sampling duct (8) from the open cylinder end into the cylinder space behind the piston; and an actuator (9) for moving the piston into an intermediate position, in which the piston end forms a pocket (10) limited by the cylinder walls (4) and the piston end for gathering fibrous slush pulp and forming a pillow-like filter (11) in the pocket, and into a front position for removing the pillow-like filter into the container; the cylinder is provided with a drain duct (12) for draining off the sample penetrating through the filter and the sampling duct into the space behind the piston for analysis.

REFERENCES:
patent: 4053354 (1977-10-01), Kitsnik
patent: 4458543 (1984-07-01), Mieth
patent: 4594904 (1986-06-01), Richter

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