Water treatment device for hydraulic engineering

The invention relates to a water treatment device for hydraulic engineering, and relates to the technical field of water treatment. The device comprises a sewage tank, the part, close to the bottom, of the sewage tank is communicated with a water inlet pipe, the top of the sewage tank is communicated with a water outlet pipe, a filter screen is arranged in the sewage tank and located above the water inlet pipe, and the lower end of the water outlet pipe is located in the sewage tank and connected with the filter screen; the lifting assembly is used for driving the filter screen and the water outlet pipe to slide back and forth along the height direction of the sewage tank; the sewage treatment device has the effects of reducing the retention amount of impurities on the filter screen and ensuring the subsequent sewage treatment effect of the filter screen. 本申请涉及一种水利工程用水处理装置，涉及水处理技术领域；其包括污水罐，所述污水罐靠近底部处连通有进水管，所述污水罐顶部处连通有出水管，所述污水罐内部且位于进水管上方设置有过滤网，所述出水管下端位于污水罐内部且与过滤网相连；还包括升降组件，所述升降组件用于带动过滤网和出水管一并沿污水罐高度方向往复滑移；本申请具有