| 摘要 |
PROBLEM TO BE SOLVED: To sanitarily and effectively eliminate iron powder attracted on permanent magnet rods of a powder refiner, without dismantling the apparatus. SOLUTION: An air-blowing jig 3, having hole parts which are penetrated by magnet rods 2, is arranged slidably along the magnet rods 2 in a main body 1 of the powder refiner, in which the plurality of magnet rods 2 are arranged in parallel. Slits, jetting air against the magnet rods 2, are arranged on the inner peripheries of the respective hole parts. |
