Centrifugal pump with automatically cooling oil storage sealing device

The utility model belongs to the technical field of the centrifugal pump, a centrifugal pump with automatically cooling oil storage sealing device is related to. This centrifugal pump, including axle,automatically cooling oil storage sealing device, shaft coupling, the section of intaking, middle section, play water section, automatically cooling oil storage sealing device includes the auxiliaryimpeller letter body, seal, auxiliary impeller, preceding sealing assembly, the stationary seat that slides, protects the axle sleeve, machine, quiet ring, mechanical seal press cover, cooler, bearingbody, bearing, bearing cover, bearing sheath, lock mother. Utilize this device, the auxiliary impeller letter body is double -layer design with the seal, guarantees effectively that lubricating oil can not high temperature at the high -speed in operation of pump, prevents that impurity entering seal is internal to reduce mechanical seal's dry grinding phenomenon, the life of the extension pump body. 本实用新型属于离心泵技术领域，涉及种带有自动冷