Non-sealing efficient single-stage coaxial centrifugal pump

The invention relates to the technical field of centrifugal water pump equipment, in particular to a non-sealing efficient single-stage coaxial centrifugal pump. The non-sealing efficient single-stagecoaxial centrifugal pump comprises a shell component composed of a pump body, a pump cover and a front sealing ring component and a rotor component composed of an impeller nut, an impeller and a motor shaft, a damping compensator is arranged between the rotor component and the shell component, the motor shaft is connected with the motor, the motor shaft is coaxially connected with the impeller, and a rotor protection plate is arranged on the rotor component. The beneficial effects of the coaxial centrifugal pump are high efficiency, stability, simple maintenance and economical efficiency. 本发明涉及离心式水泵设备技术领域，特别涉及一种无密封高效单级共轴离心泵，包括泵体、泵盖、前密封环部件组成的壳体部件和叶轮螺母、叶轮和电机轴组成的转子部件，所述的转子部件与壳体部件间设有阻尼补偿器，所述的电机轴连接电机，所述的电机轴和叶轮共轴连接，所述的转子部件上设有转子防护板。本发明的有益效果是：高效性、稳定性、维护简便性、经济性。