| 摘要 |
An underwater agitation pump comprises an impeller casing in which an impeller driven by a motor is rotatably accommodated, an agitated material suction guide cylinder of a hollow cylinder which has one-end opening portion thereof integrally communicably connected to a center suction opening portion of the impeller while passing through a center opening of the impeller casing and having the other-end opening portion thereof extended downwardly, the suction guide cylinder further forming an agitated material suction passage therewithin, and an agitator mounted on an outer peripheral portion of the other-end opening portion of the agitated material suction guide cylinder. Due to such a constitution, the agitated material suction passage formed in the inside of the agitated material suction guide cylinder can ensure a sufficiently wide agitated material inflow area.
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