Equipment cooling water pump for 1400MW nuclear power unit

The invention provides an equipment cooling water pump for a 1400MW nuclear power unit. The equipment cooling water pump comprises a pump body, a pump cover connected to the upper portion of the pump body in a sealed mode and a pump shaft arranged between the pump body and the pump cover, packaging mechanical seals are arranged on the two sides of the portion, at the joint of the pump cover and the pump body, of the pump shaft, and an impeller is arranged at the position of a key groove in the middle of the pump shaft. The driving side end portion of the pump shaft is connected with a driving side bearing body and connected with a driver through the driving side bearing body, the non-driving side end portion of the pump shaft is contained in a non-driving side bearing body, and an inlet and an outlet are formed in the two sides of the pump body correspondingly. According to the equipment cooling water pump for the 1400 MW nuclear power unit, it is guaranteed that the equipment cooling water pump can reliably