The new powdered activated carbon dosing system for Donghu Pumping station is the first dry-fed powdered activated carbon dosing system in Shenzhen. A feeding system with a scale of 1000kg/h is selected to correspond to two sets of high-speed jet dosing systems, and a feeding system with a scale of 500kg/h corresponds to a set of high-speed jet dosing systems.Jet dosing system. Since the water in the system is only used as the carrier of the medicine, the amount of dry powder only needs to be adjusted according to the water quality, and there is no need to adjust the amount of water added. Through this system, the problem of smell and smell of water bodies can be effectively solved, the handling capacity of water quality emergencies can be enhanced, and the water supply of water plants and the safety of drinking water quality of residents can be fully guaranteed.