Patent ID: 6820747
Filing Date: 2004-11-23
Classification: B07B

Abstract:
In a mineral preparation plant receiving a raw mineral feed and separating the raw mineral feed into a clean mineral feed slurry and a refuse feed slurry, an apparatus for simultaneously processing the raw mineral feed and clean mineral and refuse feed slurries, said apparatus comprising:a unitary screen assembly having a length and width, wherein the width of the unitary screen assembly is partitioned into three sections extending the length of the unitary screen assembly and including: a deslime section receiving the raw mineral feed and separating the raw mineral feed into coarse and fine sized fractions as the raw mineral feed moves along the length of the deslime section; a refuse section receiving the refuse feed slurry including solid refuse particles and a slurry of media and water and separating the solid refuse particles from the slurry of media and water as the refuse feed slurry moves along the length of the refuse section; and a clean mineral section receiving the clean mineral feed slurry including solid clean mineral particles and a slurry of media and water and separating the solid clean mineral particles from the slurry of media and water as the clean mineral feed slurry moves along the length of the clean mineral section; a first feed supplying the raw mineral feed to the deslime section; a second feed supplying the refuse feed slurry to the refuse section; and a third feed supplying the clean mineral feed slurry to the clean mineral section.