Double-disc refiner
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United States of America
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Jun 18, 2024
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N/A
app pub date -
Feb 17, 2020
filing date -
Feb 17, 2020
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Abstract
A double disc refiner includes a first refining disc at a feed end and an opposing second refining disc. The first disc has inlet opening(s) and a first distal surface facing a second disc opposing surface. A first disc refining segment has a second distal surface facing the opposing surface that has a first height relative to a plane of the first distal surface in a direction toward the opposing surface. A first disc center plate has elongated protrusions radially extending therefrom and a third distal surface having a second height in the direction of the first height that is at least equal to the first height. Each protrusion has a fourth distal surface continuous with the third distal surface and a third height in the direction of the first height equal to the second height. The third distal surface is separated from the opposing surface by 5-15 mm.
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