| 摘要 |
PROBLEM TO BE SOLVED: To provide a separation apparatus for a granular body in which a mesh like filter such as a punching metal is made needless and which is capable of easily coping with the change of the diameter of the particle to be separated and a filter mechanism used for the same. SOLUTION: The separation apparatus is provided with a pneumatic source 60 for pneumatically transporting the granular body, a separation cylinder 1 having an opening 2 at the bottom and having a granular body introducing port 3 provided in the lower part and a discharge port 4 in the upper part, a damper 10 for opening and closing the bottom opening 2 of the separation cylinder 1, a spindle shaped movable spring seat 20 internally mounted in the separation cylinder 1 and a coil filter 30 attached to the movable spring seat 20, a connection rod 21 connected to the movable spring seat 20, a vertically moving means 40 connected to the connection rod 21 and a lock nut 51 screwed to the screw part 22 formed on the upper end part of the connection rod 21 and the granular body to be separated by the pneumatic force of the pneumatic source 60 is introduced from the granular body introducing port 3 and separated into the granular body and dust passing the gaps 32 between the adjacent rings of the screw part 31 of the coil filter 30 and the granular body which does not pass through the gaps 32. COPYRIGHT: (C)2004,JPO
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