Aiming at the solution of the working point of the complex parallel pump with multiple water sources in the mine,from the energy balance analysis of the pump water supply system,combined with the Taylor formula and the matrix solution method,a new method for solving the working point of the pump is proposed.Through this method,the working point of the pump can be accurately solved,especially for the multi-source water supply and the complex connection of the pipeline after the pump.The method is simpler and faster than the graphical method and the traditional numerical method.The graphical method of the working point of the complex parallel pump is replaced by the numerical method and transformed into programming,which is convenient for the efficient and intelligent speed control of the pumping station.
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