| 摘要 |
PROBLEM TO BE SOLVED: To improve sanitariness and convenience in maintenance and further to efficiently circulate a detergent. SOLUTION: The feed nozzle cleaner includes an adapter 74 having an upward inlet 131 which can be connected with a downward outlet 51 of a feed nozzle 41 placed above a bed 11, a recovery pipe 73 having a vertical pipe section 121 having the inlet 131 communicating therewith and passed through the bed 11 in a rotatable and liftable manner, and a driving mechanism which advances/retreats the inlet 131 toward below the outlet 51 and moves the adapter 74 so that the inlet 131 is connected with the outlet 51 when advancing. The driving mechanism has a rotary actuator 161 and a fluid pressure cylinder 165 which are coupled with the vertical pipe section 121 below the bed 11 for rotating and raising/lowering the pipe section 121.
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