Nitrification liquid return pump is used in the nitrification liquid return system for sewage treatment, including the regulating tank connected by the sewage discharge pipe, and the sewage lifting pump located in the regulating tank. The anoxic tank is connected to the anaerobic tank through the sewage lifting pump outlet pipe, the anoxic tank is connected to the anaerobic tank, the anaerobic tank is connected to the aerobic tank, and the aerobic tank is connected to the sedimentation tank; The sludge lifting pump that is provided in the sedimentation tank is connected to the sludge discharge pipe and the sludge return pipe respectively through the pipeline; The end of the nitrification liquid return pipe is located in the lower part of the aerobic tank, and the other end is located in the anaerobic tank, and the sewage lifting pump outlet pipe and the steady flow cylinder are connected through the jet return device, which is the whole nitrification liquid reflux process. For more details about our nitrification liquid return pump, please visit our website or contact us for further assistance.