Intelligent dosing device

The utility model provides an intelligent dosing device, which relates to the technical field of sewage treatment and comprises a feed pipe and a discharge pipe, a plurality of circulation pipeline components are arranged on the feed pipe at intervals, and a switch valve is arranged between every two adjacent circulation pipeline components; the circulation pipeline assembly comprises a circulation pipe, a dosing pump is arranged on the circulation pipe, the free end of the circulation pipe is connected with a backflow pipe and an outflow pipe, the free end of the backflow pipe is communicated with the feeding pipe, and the free end of the outflow pipe is connected with the discharging pipe. According to the device, one or two circulation pipeline assemblies can be selected for operation during normal operation, and the other circulation pipeline assemblies are used for standby application or replacement, so that the service life of the whole device is prolonged, the whole device does not need to be shut down