公开(公告)号：US20170128958A1

公开(公告)日：2017-05-11

申请号：US15337247

申请日：2016-10-28

Applicant: Andritz Inc.

Inventor： Tyson B. HUNT ,  Alexandre DAVID

IPC: B04C5/181 ,  D21C11/00 ,  B04C5/04

CPC classification number: B04C5/181 ,  B04C5/04 ,  B04C5/085 ,  D21C11/00 ,  D21D5/24 ,  D21F1/62

Abstract: A perforated replaceable insert for a sand separator vessel in a digester feed system where the perforations have at least a width and a length. The perforations are aligned columns and rows, with the columns being positioned to be parallel to a line formed by the tangent of the conical axis.