| 摘要 |
A centrifugal vertical pump has an outer body with the lower and the upper parts, with inlet and outlet nozzles, respectively. Inside both parts guide apparatuses are installed, sections covered with shaped cover. In those parts rotor section is placed, this has shaft, prewheel and impellers, and device for axial force relief, at that above the device for axial force relief a cavity is formed in shaped cover, this is restricted with seal housing. Cavities are formed as well in the lower and the upper parts of the body. In the upper part of seal housing a channel is provided, with further transformation to branch that goes through opening in the upper part of the shaped cover, cavity of the upper part of the body that is connected with opening in one of sections to the cavity of the lower part of the body. |
