Patent ID: 6315128
Filing Date: 2001-11-13
Classification: B03B,B04C,Y10S

Abstract:
A separator tramp metal separator for use in a comminuted cellulosic fibrous material slurry feed system, comprising:a conveyor for feeding comminuted cellulosic fibrous material, including at least some tramp material, comprising: a housing having a first end and a second end; an inlet located adjacent said first end; an outlet adjacent said second end; and a screw conveyor having conveyor flights on a rotatable shaft generally concentric with said housing, and extending from said first end to said second end for conveying the fibrous material from said inlet to said outlet and moving tramp material radially outwardly toward said housing;a cavity formed in said housing located substantially beneath at least one of said screw conveyor flights, and adjacent said outlet, for collecting tramp material; andan outlet from said cavity through which the collected tramp material from said cavity is removed;further comprising a liquor inlet in said cavity for introducing liquid to said cavity so that the liquid agitates and conveys the desirable fibrous material from said cavity to said housing outlet while allowing the undesirable tramp material to collect in said cavity.