| 摘要 |
PROBLEM TO BE SOLVED: To provide a raw material supplying apparatus capable of shortening a time for supplying a raw material to a granulation equipment. SOLUTION: A raw material supplying apparatus (2) for supplying raw material to a granulation equipment (1) by accompanying the transfer of gas caused by a pressure difference has a hopper (22, 221) capable of containing the raw material, and a supplying pipe (222) for supplying the raw material contained in the hopper to the granulation equipment, wherein the condition: L/R<209 is satisfied when the whole length of the supplying pipe is L, and the inner diameter of the supplying pipe is R. COPYRIGHT: (C)2009,JPO&INPIT
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