| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for crushing lump raw material which enables the production of a high quality, inexpensive crushed product stably and efficiently, and an apparatus for the method. SOLUTION: In the method and the apparatus for crushing the lump raw material X1 falling in a treatment container 21 by upper and lower sets of blow means (blow members 33 rotating horizontally), the falling of the crushed raw material X2 by the blow means while spreading radially is suppressed and between the vertically adjacent blow means, the blow energy of the lower blow means is made lower than that of the upper blow means. COPYRIGHT: (C)2004,JPO
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