| 摘要 |
PROBLEM TO BE SOLVED: To provide a granular material supply device equipped with cyclone type collectors which can efficiently collect and mix two kinds of pneumatically transported granular materials without enlarging the device. SOLUTION: The granular material supply device 1 is equipped with a multi-stage type cyclone collection means 10 which makes cyclone type collectors 20 and 30 communicate in a plurality of stages in series and classifies/collects the granular material introduced from the collector 20 of the first stage, two material introduction ports 21d and 21e which are installed in the collector of the first stage and connected to respective material air transport ways of two systems, a material reservoir confluence pipe 11 in which the upper end is connected to the discharge opening 24 of the collector of the first stage, a material discharge opening 15 is formed at the lower end, a branching connection part 14a is installed in the pipe 11, and a branching pipe 16 which is made to communicate with the discharge opening 32 of each of the collectors of the following stages is connected to the branching connection part, a pressurized air introduction port 14c, and a sensor means 19 for detecting a reservoir level. COPYRIGHT: (C)2010,JPO&INPIT
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