Method and apparatus for manufacturing fibre pulp
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United States of America Patent
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-
Nov 7, 1989
Grant Date -
N/A
app pub date -
Oct 2, 1984
filing date -
Feb 22, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Fibre pulp is manufactured in a refiner with opposed refining members (22,23,24) rotary relative to each other and enclosed in a pressure-proof refiner housing (20). Steam is separated from the fibre pulp in the refiner housing (20) at the counter-effect of centrifugal forces generated by radial wing members (40) on a rotary refining member (23,24). The steam is led off separately from the refiner housing (20) through a steam outlet (42), which communicates with a space (41) radially inside of the wing members (40). The fibre pulp is discharged separately through a discharge device (50,60,70,80,90) while in the refiner housing the desired pressure is maintained.
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