US 11,813,616 B2
Grinding mills
Alex Heath, Melville (AU); Jeffrey Victor Belke, Mt Pleasant (AU); and Edward Allan Jamieson, Bayswater (AU)
Assigned to OUTOTEC (FINLAND) OY, Espoo (FI); and SWISS TOWER MILLS MINERALS AG, Baden (CH)
Filed by OUTOTEC (FINLAND) OY, Espoo (FI); and SWISS TOWER MILLS MINERALS AG, Baden (SE)
Filed on Sep. 20, 2022, as Appl. No. 17/948,284.
Application 17/948,284 is a continuation of application No. 15/746,500, granted, now 11,465,154, previously published as PCT/FI2016/050545, filed on Jul. 27, 2016.
Claims priority of application No. 2015903008 (AU), filed on Jul. 28, 2015.
Prior Publication US 2023/0044715 A1, Feb. 9, 2023
Int. Cl. B02C 17/16 (2006.01)
CPC B02C 17/163 (2013.01) [B02C 17/16 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A stirring device for stirring a particulate material and a grinding media in a grinding mill, comprising a mounting ring connected via arms to a body, the body comprising a plurality of protective elements that extend outwardly from the body and are spaced apart around said body to deflect said particulate material and said grinding media from said body, wherein the body comprises a planar body comprising an annular disc having opposed surfaces and an outer edge, wherein the plurality of protective elements extend radially from said outer edge and wherein the plurality of protective elements extend from each of said opposed surfaces.
 
9. A mill body comprising an inlet for receiving a particulate material, an outlet for discharging ground particles and a shelf extending from an inner sidewall, said shelf comprising a plurality of protective elements that extend outwardly from said shelf and are spaced apart around said shelf to deflect said particulate material and said grinding media from said shelf, wherein said plurality of protective elements extend radially from said shelf, and wherein said shelf comprises opposed surfaces and said plurality of protective elements extend from each of said opposed surfaces.