| 摘要 |
PURPOSE: A waste water apparatus is provided to prevent malfunction of a drainage pump caused by the sedimentary material in advance to allow smooth watering and to implement the pump operation without a deviation from the plan by installing a pair of drain pumps and operating alternately the pair of pumps. CONSTITUTION: A waste water apparatus comprises a tank(10) into which the waste water flows, drain pumps(30, 40) installed within the tank, and a waste water liquidating apparatus(60) which liquidates the deposits deposited on the waste water which flowed into the tank by spraying the liquid toward the deposits in the tank before pumping. The deposit liquidating apparatus comprises an air compressor(61) and air spraying tubes(63, 65) having a plurality of air spraying holes. |
