多级离心泵

对多级离心泵产生异常轴向移动的原因进行了分析。

The reasons of unusal axial moving in multistage centrifugal pump were analyzed .

应用滑移网格技术分析多级离心泵的三维瞬态流动

3-D Analysis for Transient Flow in a Multistage Centrifugal Pump Using Sliding Mesh

在同样的低比转数（ns≤20）条件下，比现有多级离心泵的水力效率可提高5%~8%。

The efficiency of Pitot tube pump is 5 % ~ 8 % higher than which of centrifugal pump under the same low specific speed ( ns ≤ 20 ) .

应用标准k-ε湍流模型加壁面函数法对低比转数冲压多级离心泵叶轮内的三维湍流流动进行了时均N-S方程的数值计算。

The time-averaged Navier-Stokes equations of three-dimensional turbulence flow in impeller of stamping multistage centrifugal pump are calculated by CFD based on the standard k - ε turbulence model and wall function .

校直多级离心泵泵轴时轴端弯点的确定

Determination of bending points on shaft end of multi-stage centrifugal pump

多级离心泵轴向力的静压支承平衡

Preliminary Study on the Axial Force of Multistage Centrifugal Pumps

多级离心泵振动原因分析及解决办法

Reasons analysis and settling methods of multi-stage centrifugal pump vibration

多级离心泵轴向尺寸合理确定的探讨

How to Properly Determine Axial Clearance for a Multiple Stage Centrifugal Pump

冲压焊接多级离心泵的理论研究及工程实现

Theoretical study and engineering implementation of stamping and welding multilevel centrifugal pumps

静压支撑技术在多级离心泵上的应用研究

The Applied Research of the Static Pressure Supporting Technology in Multi-Stage Centrifugal Pump

卧式冲压焊接多级离心泵的设计优化及计算机模拟

Design Optimization and Computer Simulation on Horizontal Stamping and Welding Multistage Centrifugal Pump

多级离心泵的全面性能预测

The Global Performance Prediction of the Multiple Centrifugal Pump

多级离心泵动力楔防磨平衡盘的设计

A dynamic wedge balance disc for multistage centrifugal pumps

多级离心泵异常轴向移动的处理

Treatment of unusual axial moving in multistage centrifugal pump

节段式多级离心泵比转数的选择

Specific Speed Selection of Multistage Segmental Centrifugal Pump

多级离心泵的更新改造

Renewal and reconstruction of muitiple stage centrifugal pump

多级离心泵导叶内部流动的研究

The study of the internal flow of the channel diffuser of the multi-stage centrifugal pumps

多级离心泵的故障与修复

Troubles and Repair of Multi-Stage Centrifugal Pumps

多点应力法测量多级离心泵轴向力和径向力

Measuring of Axial Force and Radial Force of Multistage Centrifugal Pump by Multipoint Stress Method

液体静压支承技术可以很好地解决多级离心泵轴向力的平衡问题。

Hydrostatic bearing can solve the equilibrium problem of axial force of multistage centrifugal pump satisfactorily .

液体静压支承技术在多级离心泵轴向力平衡中的应用研究

Study on Application of Hydrostatic Bearing to the Equilibrium of Axial Force of Multistage Centrifugal Pump

这一系列包括带有闭合径向叶轮的耐磨损水平或竖直多级离心泵。

This series contains robust abrasion-proof horizontal or vertical multistage centrifugal pumps with closed radial impellers .

研制出一种新型流道式导叶结构，使泵效有显著提高，所研制的高效率导叶，可以推广应用于其它低比速多级离心泵的更新改造。

A new design of diffuser is recommended , which gives significant improvement on the pump efficiency .

关于冲压焊接多级离心泵水力设计的研究双级离心式高温水源热泵设计应用分析

Research on Hydraulic Design and Application on Stamping and Welding Multistage Pump ; COMPOUND CENTRIFUGAL HEAT PUMP CHILLER

本文的研究为多级离心泵的设计、性能预测、结构优化提供了理论基础。

This paper provides the theoretical basis for the design , performance prediction and structure optimization of multistage centrifugal pump .

在本文中，作者从理论和实践上探讨了改变泵内叶轮、导叶几何参数对多级离心泵性能影响的规律，所得规律可使泵的制造与维修工作得以简化。

In this paper , the authors describe theoretically and practically the effect of geometric shape change of the pump impeller and dif -

多级离心泵泵轴细长，传递功率大，工作时易弯曲引起故障。

The shaft of a multi-stage centrifugal pump is easy to bend because of being thin and long and providing large transmission power .

多级离心泵主要用于高扬程的应用环境，应用于深井、高层住宅的供水、消防供水等。

Multi-stage centrifugal pump is mainly used for high head applications environment , use deep , high-rise residential water supply , fire water supply .

介绍了一种与现在多级离心泵完全不同的小型锅炉（10t/h以下）给水泵。

A improved design of lower boiler feed pump (≤ 10t / h ), which is different remarkably from multi-stage centrifugal pump is presented .

本文建立了多级离心泵导叶内部流场的计算模型，编制了流动计算程序。

This paper sets up a calculation model to solve the internal flow of multistage centrifugal pumps and a flow calculation program is worked out .