公开(公告)号：WO2021220227A1

公开(公告)日：2021-11-04

申请号：PCT/IB2021/053599

申请日：2021-04-29

Applicant: FIDETECHNOLOGY LDA

Inventor： FOUGNER, Anders ,  JESPERSEN, Mads

IPC: B02C15/00 ,  B02C23/02 ,  B02C23/24 ,  B02C23/26 ,  B02C23/30 ,  B02C23/34

Abstract: An apparatus and method, for grinding particulate material comprising: a vertical roller mill comprising a grinding table and a grinding roller having a rotational axis, each having a grinding surface and being arranged to define a grinding zone between the grinding surfaces, and a feeder for feeding the particulate material to the vertical roller mill; wherein the grinding roller is arranged to roll around a grinding path on said grinding table; and the feeder is arranged to receive a supply of the particulate material and to direct a flow of that material to the grinding zone of the vertical roller mill. The feeder may be arranged to substantially constrain the flow of material to a predetermined defined cross-section, to direct the flow of material by applying a momentum to and/or pushing, or to compact the flow of material prior to directing the material, or combinations thereof. In particular, the disclosure is applicable to grinding particulate materials like mining ores, industrial minerals and chemicals, sand, slag, ash, clay, pigments for coatings, pharmaceuticals and cement raw materials.