Method for fiberizing wastepaper using an inline control valve f

Details Method for fiberizing wastepaper using an inline control valve f Method for fiberizing wastepaper using an inline control valve f

1988-04-04

1989-02-28

Lacey, David L.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Waste paper or textile waste

162 61, 162198, 162254, 241 62, 13710119, D21B 108

Patent

active

048082635

ABSTRACT:
Fiberizer efficiency is improved by providing an inline control valve at the fiberizer feed inlet which automatically provides the fiberizer with make-up air proportional to the pressure differential between the fiberizer outlet and inlet. The make-up air tends to distribute the feed material more evenly within the feed inlet and provides a constant fiber/air ratio within the fiberizer.

REFERENCES:
patent: 4615767 (1986-10-01), Miers et al.
patent: 4668339 (1987-05-01), Terry
Karna et al, "Latest Developments Trends in Controlling the Mechanical Groundwood Process", Tappi, Jul., 1988.

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