| 摘要 |
PROBLEM TO BE SOLVED: To efficiently recover sawdust powder produced at the time of crushing wood. SOLUTION: The subject wood crusher is provided with: a crushing device 3 for crushing wood supplied from wood supply sections 1, 2; a belt conveyor 4 for conveying wooden pieces crushed with the crushing device 3 with a belt 4a; an air blowing means 54 for blowing air so that the sawdust powder produced at the time of crushing wood with the crushing device 3 is guided on the belt 3; and circulating ducts 51 to 53 for circulating air, which is sent from the crushing device 3 toward the belt 4a by the air blowing means 54, and returned near the crushing device 3. The belt 4a is formed into a mesh shape so that only air sent by the air blowing mean 54 is allowed to pass through the belt 4a. COPYRIGHT: (C)2006,JPO&NCIPI
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