The design water surface elevation of sewage treatment structures and the bottom of the pool elevation is not calculated by the civil engineering, water supply and drainage professionals in accordance with the local network conditions, to determine the imported sewage pumping station (coarse grating) of the bottom of the pool elevation, according to the selection of the pump head flow rate and other indicators and treatment process to determine the elevation of the subsequent structures in turn. And summarize the general plan professional balance of earth and other indicators.
Sewage treatment (sewage treatment, wastewater treatment): in order to make the sewage to achieve drainage of a certain body of water or re-use of the water quality requirements of its purification process. Wastewater treatment is widely used in construction, agriculture, transportation, energy, petrochemicals, environmental protection, cityscape, medical, food and beverage and other fields, but also more and more into the daily life of ordinary people.