罗茨真空泵

罗茨真空泵机组在石油减压蒸馏装置上的应用

The applying of Roots vacuum pump system in the oil distillation device of the need to reduce pressure

本文简述了UG软件在罗茨真空泵的设计中的应用并以ZJ－30型为例，叙述了部分主要零部件的优化设计过程。

Abstract This article introduced the use of software UG in the design of roots vacuum pump , and then it is described the optimizing procedures of some main parts , taking the model of ZJ 30 for example .

UG软件在罗茨真空泵中的应用

Use of UG Software in the Design of Roots Vacuum Pump

LS型直排大气湿式罗茨真空泵属粗真空获得设备。

Abstract LS series wet roots vacuum pump is a rough vacuum pumping equipment .

文中还引入了形状系数c和峰顶系数c1，详细给出不同类型的圆弧型线的罗茨真空泵容积利用系数随形状系数c和峰顶系数c1的变化情况。

Introducing the shape coefficient c and peak coefficient c1 into the design and defining them , how the volumetric utilization coefficients of various arc profiles of roots type rotors change with c and c1 are described in detail .

气冷式直排大气罗茨真空泵及机组的应用选型

Selection of Gas circulation Cooled Roots Vacuum Pumps and Pumping Units

干式罗茨真空泵磁流体密封的研究

The Study on the Magnetic Fluid Sealing of Dry Roots Pump

罗茨真空泵的转子型线有很多种。

There are many kinds of rotor profiles for roots vacuum pump .

高压差工作用气冷式罗茨真空泵设计及其性能

Design Performance of Gas-circulation Cooled Roots Vacuum Pump Used for High Pressure Difference

罗茨真空泵的最大允许压差和溢流阀压差

Overflow valve differential pressure and max. permissible differential pressure of Roots vacuum pump

罗茨真空泵试车与运行

Test and normal running of roots vacuum pump

罗茨真空泵噪声机理探讨

Discussion on noise mechanism of roots vacuum pump

罗茨真空泵机组是应用面极广的真空获得设备。

Abstract The roots vacuum pump units is a widely used vacuum obtaining equipments .

罗茨真空泵性能考核指标&抽速和零流量压缩比的探讨

Study on Pumping Speed and Compression Ratio at Nil Throughput of Roots Vacuum Pump

罗茨真空泵主轴输入端动密封问题探讨

Discussion about the dynamic seal for the main shaft input end of Roots vacuum pump

罗茨真空泵噪声源识别的实验研究

Major Noise Sources of Roots Vacuum Pump

新型节能节水泵&LS直排大气湿式罗茨真空泵

LS Series Wet Roots Vacuum Pump & a New Type Pump of Low Power and Water Consumption

罗茨真空泵的应用

The Use of Roots Pump

本文介绍气冷式直排大气罗茨真空泵及机组的工作特点及应用选型。

Abstract This paper introduces the working performance and the selecting principle of gas circulation cooled roots vacuum pumps & pumping units .

气冷式罗茨真空泵需要携带泵外换热器，以保证泵在高压差下正常工作而不会产生过热。

To overcome high differential pressure without thermal overload , gas circulation cooled roots vacuum pump should be fitted with an external cooler .

利用计算机辅助设计罗茨真空泵转子型线。

By the use of the computer auxilliary design , the rotor 's cycloids of Roots ( Rhodes ) vacuum pumps are designed .

采用基于分布源边界点法的近场声全息技术对运转状态下的罗茨真空泵进行了噪声源识别和定位研究。

The distributed source boundary point method based nearfield acoustic holography is used for identifying and localizing noise sources of the roots vacuum pump .

由于发生压力较低，在发生器和冷凝器之间带有罗茨真空泵作为增压机。

Because of the low pressure in the generator , a roots vacuum pump is used as a compressor between the generator and condenser .

目前国内的气冷式罗茨真空泵的转子型线基本上都是两叶圆弧摆线型线，其效率和噪声有着明显的不足。

The profile of air-cooled Roots vacuum pump in domestic is double-folium cycloidal profiles . It has the shortcomings of noise and lower efficiency .

气冷式罗茨真空泵结构简单、工作可靠，应用广泛。

The air-cooled Roots vacuum pump has the advantages of simple structure and reliable run , and widely used in large space simulator , turbine balancing devices , and chemical industry .

本实用新型公开一种对造纸、化工、陶瓷、卷烟等行业所用的罗茨真空泵。

The utility model discloses an automatic controlling protective valve of a Roots vacuum pump used in the industries , such as paper making , chemical industry , ceramic , cigarette , etc.

文中给出了使用单级或双级直排大气湿式罗茨真空泵与使用水环泵的性能比较特别是功耗的比较。

In this paper , we compare the performance of single stage , two stages wet roots vacuum pumps with the performance of liquid ring vacuum pumps , especially the performance of power consumption .

该文分析了燃煤电厂飞灰负压输送系统中罗茨真空泵磨蚀的产生原因，并提出了一些简单易行减缓磨蚀的方法。

The paper gives an analytical discussion on causes of erosion observed in Rootes vacuum pumps in dust suction type conveying systems of coal firing power plants , and sugges some simple and feasible ways of alleviation .

罗茨转子是罗茨鼓风机、罗茨压缩机、罗茨流量计和罗茨真空泵等设备中最关键的核心部件。

Roots type rotor is of crucial importance to roots blower , compressor , flowmeter and vacuum pump .