| 摘要 |
PROBLEM TO BE SOLVED: To secure given wastewater transfer quantity without affected by the water level of a treatment tank, improve the operating reliability of a sanitary tank pump device. SOLUTION: This sanitary tank pump device is arranged so as to connect pump vessels 8, to be arranged below the liquid level of a treatment tank provided on a sanitary tank, to a blower 12 via air supply pipes 11; and also connect inflow pipes 9 and discharge pipes 10 to the pump vessels 8; and in the inflow pipes, so as to arrange one and the other ends in the lower parts of the pump vessels and in the vicinity of the upper surfaces of the pump vessel insides respectively; while in the discharge pipes, so as to arrange one and the other ends in the vicinity of the lower surface of the pump vessel insides and facing the other treatment tank respectively. One blower, equipped with plural air chambers, is individually connected to plural pump vessels, via discharge ports provided on the respective air chambers, to independently supply air directly to the pump vessel. |
