| 摘要 |
PROBLEM TO BE SOLVED: To provide a cracking/peptizing device for earth and sand by which continuous and stable operation, even for earth and sand that is the material to be cracked and peptized, including rocks, pieces of iron, and the like, of high strength and of large size, is performed without crushing blades being worn/broken and without shutdown due to wear/breakage and getting caught. SOLUTION: In a cracking/peptizing device for earth and sand wherein, inside a casing 1 having a feeding port 15 and a discharging port 16 at one end and at the other end, respectively, rotors each having cracking blades 29 are provided, and earth and sand fed into the casing 1 from the feeding port 15 is cracked/peptized by the rotors and is discharged to outside the system from the discharging port 16, the rotors are made to have plural planetary axes 6 rotated and revolved, and on each of the planetary axes 6, plural cracking blades 29 are arranged.
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