螺旋泵

迷宫螺旋泵泵送机理及性能的CFD数值模拟和试验研究

CFD Numerical Simulation and Experimental Study of the Pumping Mechanism and Pumping Performance of Labyrinth Screw Pump

应用Fluent软件对迷宫螺旋泵进行模拟分析，并对迷宫螺旋泵的性能和结构参数之间的关系进行定性分析。

CFD software Fluent was applied to simulate the labyrinth screw pump , and the relation was analyzed between the capability and the structural parameters of the labyrinth screw pump .

长螺旋泵压CFG钻机在斜坡桩基础施工中的改造应用

Reform application of CFG drilling machine with continuous flight auger and pump pressure in slant pile foundation construction

LBX螺旋泵适用于各种给（排）水泵站，农业灌排，城市排涝等工程。

LBX screw pump applies various to , agricultural irrigation water pumping station , urban drainage project , etc.

迷宫螺旋泵和密封工作特性研究

Study and testing of the working characteristics of labyrinth pump and seal

梯形迷宫螺旋泵内部流动的数值模拟

Numerical simulation of internal flow of trapeziform labyrinth screw pump

半导程螺旋泵转子加工工艺分析及夹具

Machining technology analysis and clamping apparatus design of helix half-lead pump 's rotor

迷宫螺旋泵和密封的数值分析

The numerical analysis of labyrinth screw pump and seal

基于数值模拟的迷宫螺旋泵性能研究

Analysis of Labyrinth Screw Pump Capability with Numerical Simulation

三角形迷宫螺旋泵内部流场数值计算及试验

Numerical calculation and experimental study for interior flow field in triangular labyrinth screw pump

螺旋泵简介和锥形螺旋叶片泵的研究

Introduction to the Helical Pump and Investigation of the Taper - helical - vane Pump

迷宫螺旋泵实验研究

Experimental research on the maze helix pump

M型富勒螺旋泵的调试

Adjustment of M type Fuller screw pump

螺旋泵被列为两种不同的类型：单转子和多转子。

Screw pumps are classified as two different types : the single rotor and the multiple rotor .

迷宫螺旋泵的设计

Design of Double Screw Pump

所得结论可为梯形迷宫螺旋泵的设计、改进和优化提供有益的参考。

The result of the simulation provides a basis for the design and improvement of the trapeziform labyrinth screw pump .

结果表明：迷宫螺旋泵扬程系数最大值随流量的增大而减小；

The analysis results show that the maximal value of the pump head coefficient declines when the flow rate increases ;

本实用新型涉及一种单端多级迷宫螺旋泵，属于通用工程设备技术领域。

The utility model relates to a single end multistage labyrinth screw pump , belonging to the technical field of universal engineering equipment .

实验研究：安装建立实验测量装置，在实验台上进行梯形迷宫螺旋泵的性能测试实验。实践研究不同转速下的性能，验证迷宫螺旋泵设计计算公式、推导出迷宫螺旋泵的比例定律。

Experimental research : Study the performance of the experimental pump in transporting different viscidity media and different rotate speed , conduct the conversion formula and proportion law .

通过对水煤浆固液两相流的数值模拟，得到了定转子内部流场的流动情况，为迷宫螺旋泵的进一步研究设计提供了理论依据。

We obtained the solid / liquid two-phase flow condition in the interior system through the numerical simulation , which provides basis for the further research of the pump .

本文简要介绍了水煤浆技术的发展以及几种水煤浆输送泵的特点，重点分析了迷宫螺旋泵的特点及其发展概况。

The development of CWS technology and the characteristics of several kinds of CWS pump were briefly introduced , mainly introduced the characteristics and the development situation of the labyrinth screw pump .

螺旋泵可用来输送高粘性液体，该过程中由于液体的温度升高而粘度降低，因而其粘性耗散不能忽略。

Screw pumps can be used to highly viscous liquid . Viscous dissipation cannot be neglected during such pumping because it causes the temperature of liquid to rise and its viscosity to decrease .

迷宫螺旋泵是一种小流最、高扬程、低比转速的新型特种泵，其特点是使用安全可靠、寿命长。

The Maze helix pump is a kind of special pump which is small rate of flow , . high lift and low rotational speed . Its specification is safe and long durability .

今天最常用的旋转泵是外齿轮泵、内齿轮泵、摆线转子泵、滑动叶片泵和螺旋泵。每种类型的泵都有优点，适合于特定场合的应用。

The most common rotary-pump designs used today are spur-gear , generated-rotary , sliding-vane , and screw pump , each type has advantages that make it the most suitable for a given application .

结合梯形迷宫螺旋泵的流动特点，在相应的假设条件基础上建立流动模型、简化计算方程组，并给出具体的边界条件。

According to the flow characteristics of the trapeziform labyrinth screw pump , the flow model is set up and equation set for simplified calculation is presented , and the concrete boundary conditions are given .

梯形迷宫螺旋泵的设计理论、数值模拟与实验研究采用Y-型迷宫实验、旷场分析实验、避暗实验观察应激后不同时间大鼠学习记忆功能的变化。

Theoretical Analysis 、 3D Numerical Simulations and Experiments on Trapeziform Labyrinth Screw Pump ; Changes of learning and memory after stresses were measured by means of Y maze test , open field test and step through test .

综合分析后发现，本文针对梯形迷宫螺旋泵给出的设计方法切实可行，设计参数合理，对实际生产有指导意义。

After comprehensive analysis , we can conclude that the given design method of trapeziform labyrinth screw pump is practical and design parameters are reasonable . The educed result has the directive significance for engineering practice of this kind of pump .

迷宫螺旋泵是一种极小流量、高扬程、结构极其简单的极低比转数旋转泵，是石油、化工、水处理等行业急需的特种泵。

A labyrinth screw pump ( LSP ) is a super-low specific speed rotational pump with small capacity , high head and a very simple structure , and a special pump urgently needed by oil , chemical , water treatment and other industries .

理论分析：在文献基础上推导出相应的理论计算公式并初步提出梯形迷宫螺旋泵设计方法；

The main work is outlined hereinafter : 1 . Theoretical analysis : Deduce the corresponding preliminary theoretical formula and bring forward design method of trapeziform labyrinth screw pump , Integrate professional knowledge of Fluid Machinery , Make out structure chart 、 accessory charts 、 experimental equipment .

轴承套圈缩挤整径力的多元回归分析长螺旋钻孔泵压灌注CFG桩缩径与对策

Multiple Regression Analysis for Bearing Ring Reducing Extrusion Finishing Diameter Force Reducing diameter and countermeasure of the CFG piles