Title:
鉱石、鉱物及び精鉱の粉砕効率を高めるための方法
Document Type and Number:
Japanese Patent JP2009504387
Kind Code:
A
Abstract:
A method for reducing particle size of a particulate comprising feeding a feed material to a grinding mill having a power of at least 500 kW, the mill having a specific power draw of at least 50 kW per cubic meter of grinding volume of the mill and the grinding mill including a grinding media comprising particulate material having a specific gravity of not less than 2.4 tons/m3 and a particle size falling in the range of from about 0.8 to 8 mm, grinding the feed material in the grinding mill and removing a product from the grinding mill, the product having a particle size range such that D80 of the product is at least about 20 microns.
Inventors:
Anderson, Gregory Stefan
Curry, daniel charles
Peas, Joseph Damien
Curry, daniel charles
Peas, Joseph Damien
Application Number:
JP2008526319A
Publication Date:
February 05, 2009
Filing Date:
August 08, 2006
Export Citation:
Assignee:
Extrata Technology Proprietary Limited
International Classes:
B02C17/00; B02C17/20
Attorney, Agent or Firm:
Okada International Patent Office