The centrifugal sewage pump is the typical multi-phase flow fluid machinery, which is mainly used to transport and lift solid-liquid two-phase flow including a certain extent of gas.

The effluent will arrive into a homogenization and buffer tank after flowing through the coarse and fine screen, and then be pumped to the coagulation and repartition structure.

Then is promoted dirty water into wastewater treatment system by the pump, that system has anoxia pond, good oxygen pond, precipitates pond and disinfects pond, dirty mire pond to constitute.