| 摘要 |
PROBLEM TO BE SOLVED: To provide an agitating device in a tank which agitates the inside of a water tank having a pump unit for drainage and which can be easily installed and easily pulled up.SOLUTION: An agitating device 8 in a tank comprises: a branch pipe part 81 connected to the middle of a discharge pipe (fixed discharge pipe 6); a suction pipe part 82 whose one end is open in air; and an ejector part 83 where the branch pipe part and the suction pipe part are connected respectively and air sucked by ejector effect is mixed with water and jetted within the water tank. The ejector part is vertically movable together with the suction pipe part between at the state of being set within the water tank and at the state of being pulled up from the water tank. The branch pipe part is flexible and bendable following the vertical movement of the suction pipe part and the ejector part. |
