Through the design and experimental research of PLW-8 peripheral canned pump, the hydraulic design and structural design of this type of pump are introduced and the design main points are summarized.

通过对PLW - 8型旋涡式屏蔽泵的设计及试验研究，介绍了该类型泵的水力设计及结构设计，总结了设计要领，并将一些重要参数对泵性能的影响做了探索。

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Unreasonable selection of pump type and improper combination operation are the main causes of low efficiency and energy consuming of intake pumping station equipment.

取水泵站装置效率低、能耗大的主要原因是水泵选型和组合运行调度不合理。

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Type DG pump is single casing segmental multi-stage centrifugal pump, the main parts of it are stator, rotor, bearing and shaft seal.

本型泵是单壳体节段式多级离心泵，主要由定子、转子、轴承和轴封四大部分组成。

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