Flow and power prediction method and device of circulating water pump and electronic equipment

The invention provides a flow and power prediction method and device of a circulating water pump, the prediction method is used for predicting the flow and power of the circulating water pump of an open circulating water system, the circulating water system is provided with a plurality of circulating water pumps which are connected in parallel, and the prediction method comprises the following steps: S1, establishing a pipeline characteristic curve of the open circulating water system: H = H0 + kQ2, h0 is equal to H1-H2; establishing a seawater tide level prediction model to obtain H1 and H2; s2, determining H-Q performance curves of the circulating water pump at different rotating speeds; s3, determining respective working condition points [Hi, Qi] of a plurality of circulating water pumps running in parallel; s4, the pump efficiency of the ith circulating water pump under the working condition point [Hi, Qi] determined in the S3 is calculated; s5, calculating the power of the ith circulating water pump; and