High-temperature high-pressure high-power canned motor pump

The invention belongs to the technical field of fluid delivery, more specifically, belongs to a high-temperature high-pressure high-power canned motor pump. The high-temperature high-pressure high-power canned motor pump comprises a pump head, a pump body, a canned motor and an auxiliary device. The canned motor comprises a stator (19) and a rotor (20), wherein a spirally wound cooling water pipe (16) is arranged at the outer side of the stator (19) of the caned motor. The canned motor pump can be used for delivering high-temperature high-pressure medium, has large rated power, can meet special requirements, prevent leakage of the medium from the motor and completely guarantees leak-tightness and safety. An automatic hydraulic equilibrium structure is used for the whole axial force, so that the small axial force can be achieved in a large flow range, and the service life of a thrust bearing is improved.