Patent ID: 7926755
Filing Date: 2011-04-19
Classification: B02C,Y02E

Abstract:
1. A biomass mill, comprising a rotatable pulverizing table, a recessed groove which is provided in form of ring on an upper surface of said pulverizing table and has an arcuate cross-section, a pressure roller pressed into said recessed groove, a blowout hole for blowing out the air from around said pulverizing table, and a chute for supplying a wooden biomass toward a center of said pulverizing table, wherein the wooden biomass is supplied via said chute, the wooden biomass is pulverized between said pulverizing table and said pressure roller, and the pulverized wooden biomass is carried by blowing the air through the blowout hole, wherein an outer peripheral groove width angle of said recessed groove is set to a value smaller than an inner peripheral groove width angle, and wherein a surface from an outer peripheral of said recessed groove to said blowout hole is a flat surface.