What are the structural features of high-pressure multistage centrifugal pumps?

DG85-80 sub-high-pressure multi-stage centrifugal pump for medium and low pressure boilers or sub-high-pressure boiler feed pump feed, but also for high-pressure water supply and drainage in factories or cities, transport water or physical and chemical properties similar to clear water Liquid. What are the structural features of high-pressure multistage centrifugal pumps? Let Xiaobian tell you the answer! Structural characteristics of high-pressure multi-stage centrifugal pumps DG-type pump mainly consists of fixed parts, rotor parts, bearings and shaft seal composed of four parts. 1. Stator part: Mainly by the water section, the middle section, the water section and the guide vane and other components, with the bars through the tension of the paragraphs, constitute the studio. DG type pump inlet and outlet are up vertically. 2. Rotor part: mainly by the shaft, impeller, balance disc and sleeve and other components. The shaft transmits the power to the impeller to make it work. The balance disc is used to balance the axial force. The shaft is equipped with a replaceable sleeve to protect the shaft. 3. Bearing parts: mainly by the bearing body, bearing and bearing gland and other components. In addition to 85-67,155-67, type pump with sliding bearings, thin oil lubrication, the other type of pump are used rolling bearings, grease lubrication. 85-67,155-67 can also be used rolling bearing structure. 4. Shaft seal: the general use of soft packing seal, mainly by the seal on the water section and the tail cover, packing, retaining ring and other components. There is a certain pressure in the sealed chamber of water, water seal, water cooling and lubrication. The DG pump comes from pressure water in the pump or external water supply. DG pump more mechanical seal. Further Reading: pump valve pipe fittings Exhibition Water Expo Xiamen exhibition of marine equipment Internet + Forum Yiwu Fair 2016 exhibition mold top ten brands of the Internet information industry (Xiamen) Technology Co., Ltd. Author: Asian pumps Network Editor: Yao Xiaoxia (QQ / WeChat:) http://beng.liuti.cn/ (Service Hotline:)

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