| 摘要 |
The pump is used to discharge solids such as high viscosity sludge, living sewage, and polluted moss from a waste water storing tank digged by a predetermined depth on the earth surface. An impeller(20), which is submerged in the water surface, is attachably/detachably mounted on the lower end of a driving shaft(13) which is rotatably formed on the inside of a case(12) in the downward direction of a motor(11) mounted on a bracket(10). A suction hole(21) is formed on the center portion of the bottom surface of the impeller(20), and a discharge hole(22) is formed on the one side of the top surface thereof. The suction hole(21) and the discharge hole(22) are connected to spiral suction and discharge paths(23,24) which generate eddy current during the rotation of the impeller(20). A plurality of wings(25) are protrudedly formed on the top surface of the impeller(20).
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