System for preparing drinking water from Yellow River water

A system for preparing drinking water from Yellow River water comprises a raw water tank, a raw water pump, a mechanical stirring basin, an oblique plate sedimentation basin, an activated carbon filter, a mechanical filter and a product water tank, which are sequentially connected through pipelines, wherein a chemical dosing device parallel to the pipeline is arranged between the raw water pump and the mechanical stirring basin; a mixer is mounted on the raw water tank, and a water inlet magnetic valve is arranged at the water inlet pipe of the raw water tank; an air recoil pump is connected with the activated carbon filter and the mechanical filter respectively; the water inlet end of a filter back washing water pump is connected with the product water tank; the water outlet of the filter back washing water pump is connected with the activated carbon filter and the mechanical filter. The system can effectively utilize Yellow River water and other water resources with multiple impurities and silt, can treat t