B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 17/16 (2006.01) B01F 3/04 (2006.01) B01F 13/10 (2006.01) B02C 23/30 (2006.01) B01F 7/00 (2006.01)
Patent
CA 2047495
A pulveriser has a shell having an inlet port for air and the material to be pulverized and a discharge port for the pulverized product. The shell is filled with a pulverizing medium such as steel balls. A vertical screw shaft having a screw blade is rotatably mounted in the shell. It is hollow and provided at the bottom end thereof with an outlet port for a carrier fluid. The outlet port is located behind the screw blade with respect to the direction of rotation of the screw shaft. A fluid supply box is provided at the bottom of the screw shaft so as to extend from the screw shaft to the outer edge of the screw blade. The outlet port is formed in the fluid supply box. A scrape plate is provided to protrude downwards from the bottom end of the screw shaft. Three or more screw blades may be provided.
Ihara Yoshitaka
Ikebuchi Iwao
Ishikawa Hidemasa
Kawabata Shigetoshi
Takei Hisashi
Fetherstonhaugh & Co.
Kubota Corporation
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