Fiber washer
AssigneeProcess Evaluation and Development Corporation
InventorsEduardo J. Villavicencio, Jorge E. Arana
Life of this patent
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Abstract
An improved fiber washer provides for a water recirculation technique which assists in moving the fibers through the washer and assists in the separation of heavy debris from the fibers.
Claims7
An improved U-shaped washer for cleaning fibrous materials comprising a plurality of roller mounted tines in one leg of said U-shaped washer to move said fibrous materials to the apex of the U-shaped washer while continuously submerging said fibrous materials;
- a deepened section at the apex of the U-shaped washer, and roller mounted paddles to move fiber from the apex of said U-shaped washer to the end of the other leg of said U-shaped washer, the improvement comprising means to remove water from the other leg of the U-shaped washer, cyclone means to remove particulate matter from the removed water, pump means to pressurize the removed water and conduit means to flow one part of said removed water tangentially into the apex of said U-shaped washer to thereby additionally propel fibrous materials through the apex of said U-shaped washer and another part upwardly into the other leg of said U-shaped washer to assist in centering the fibrous material in said other leg.
An improved method for washing a fibrous material using a U-shaped washer comprising feeding a fibrous material into one leg of said U-shaped washer, propelling said fibrous material to the apex of said U-shaped washer which is deepened to permit heavy solids to settle downwardly, and propelling said fibrous material to the end of the other leg of said U-shaped washer to remove the washed fibrous material therefrom, the improvement comprising removing water from the other leg of the U-shaped washer, treating said removed water to remove particulate matter therefrom flowing one part of said treated water tangentially into the apex of said U-shaped washer to propel the water around said apex and to prevent fibrous material from settling into the deepened areas in the apex of said U-shaped washer and flowing another part of said treated water upwardly into the other leg of said U-shaped washer to center the fibrous material in said other leg.
Dependencies are inferred from the claim text.