Method and device for spraying fluid into a headbox

Paper making and fiber liberation – Processes and products – Non-fiber additive

Patent

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Details

162190, 162212, 162336, 162380, D21F 108, D21F 166

Patent

active

039339661

ABSTRACT:
In a device for feeding fiber suspension to the web-forming part of a paper machine the tendency of the fibers in the suspension to flocculate and form fiber clusters, before being fed onto the web-forming wire, is eliminated by spraying jets of water or steam or both into the head box which is supplied with a fiber suspension of a consistency greater than the desired. The jets cause strong turbulences in the head box and thereby effectively disperse the fiber clusters.

REFERENCES:
patent: 3092538 (1963-06-01), Parker
patent: 3846229 (1974-11-01), Kallmes

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