Pulp refiner with fluidizing inlet

Details Pulp refiner with fluidizing inlet Pulp refiner with fluidizing inlet

1988-11-15

1993-04-06

Alvo, Steve

Paper making and fiber liberation

Apparatus

With beating, refining, and/or disintegrating means

241245, 2412612, B02C 702, B02C 706, B02C 1320, D21D 130

Patent

active

052000389

ABSTRACT:
A pulp fluidizer and pulp refiner apparatus. Paper pulp stock of either low (3-8%) or medium (8-15%) fiber consistency is fed from the fluidizer portion of the apparatus to the refiner. The construction is such that the outlet of the fluidizer is contiguous to the inlet of the refiner. This geometrical relation permits the deflocculated pulp from the fluidizer outlet to be fed substantially immediately to the refiner inlet, prior to its naturally occurring reversion to a flocculated state. By providing the input of the disc refiner with deflocculated paper pulp stock, higher pulp stock consistencies can be worked by the refiner, resulting in savings of energy, equipment and space.

REFERENCES:
patent: 4253613 (1981-03-01), Reinhall
patent: 4283016 (1981-08-01), Reinhall
patent: 4288288 (1981-09-01), Fleck
patent: 4339206 (1982-07-01), Ahs
patent: 4610400 (1986-09-01), Sjobom
patent: 4820381 (1989-04-01), Brown

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