1) floating rings
浮动密封环
1.
Pump′s volumetric efficiency can be improved by using floating rings.
介绍了一种内装式结构的矿用潜水泵的设计方法,分析了底座进水孔、泵盖高度、涡室流道及泵出水口位置对泵水力性能的影响,并优化了这些过流部件的设计;叶轮设置浮动密封环,减少了密封环的泄漏量,可提高泵的容积效率;主轴底端设置导轴承,可减少转子的径向跳动;油室内特殊设计了一种双端面机械密封,保证双端面机械密封摩擦副端面比压始终大于弹簧比压。
2) floating ring seal
浮动环密封
1.
In order to study the performance and feature of the shallow-slot split floating ring seal,the dynamic characteristic was discussed based on static analysis.
在浅槽环瓣型浮动环密封静态性能分析的基础上,对其动态特性进行了研究分析。
2.
To study the performance and feature of the shallow-slot split floating ring seal,its structure and working mechanism were analyzed firstly.
为探讨浅槽环瓣型浮动环密封的性能特点,首先分析了密封的结构和工作机理,采用FDM(F in ite D ifferenceMethod)、牛顿超松弛迭代求解Reynolds方程,获得密封间隙的流场压力分布及各种工况条件对泄漏量、静态刚度的影响。
3) flow oil-seal ring
浮动油封密封环
1.
The effects of material composition,working surface treatment and microstructure on wear resistance of powder hot-forging flow oil-seal ring were studied.
研究了粉末热锻浮动油封密封环的材质、表面处理、显微组织对其耐磨性的影响。
4) floating-ring seal
浮环密封;转动环密封
5) floating ring seal
浮环密封
1.
Structure and development of floating ring seals;
浮环密封的结构分析及研究现状
2.
We introduced the structure and working principle of floating ring seal of centrifugal compressor, and analysed the reason for floating ring seal failure.
叙述了离心压缩机浮环密封的结构、原理,分析了浮环密封失效原因,比较了目前常用的3种密封及密封失效处理措施。
3.
This article introduces the working principle, structural types and characteristics and the performance inspection of the floating ring seals and analyzes several factors which may affect oil leakage rate of the floating ring seals, whose aim is for reference for design and test floating ring seals.
本文介绍了浮环密封的工作原理、结构型式和特点,以及浮环密封的性能检验,分析了影响浮环密封漏油量的几种因素,为浮环密封的设计和试验提供参考。
6) floating-ring seal
浮环密封
1.
There are several difficult problems existing in the rich-gas compressor of catalytic cracking unit(CCU),such as internal leakage of floating-ring seal and heavy pollution of lubricating oil.
针对催化裂化装置富气压缩机浮环密封内漏、润滑油污染严重的难题,选定以国产油膜螺旋槽机械密封替代原浮环密封的改造方案,通过计算分析和实践验证证明压缩机轴封优化改造的成功。
2.
This paper analyzes the typical fault of the high speed compressor after the floating-ring seal used in it and provides the method to resolve the fault.
主要对高速压缩机采用传统的浮环密封后出现的典型故障作分析,并对此类故障的解决和密封的改造提出解决办法。
3.
Along with development of sealing technology, the normal floating-ring seal adopted in compressor appear more and more problems.
随着密封技术的不断发展,原来压缩机普遍采用的浮环密封在技术上逐渐处于劣势,相对于干气密封暴露出运行不稳定,泄露量大,运行成本高,存在环境污染等诸多问题。
补充资料：B形环密封
分子式：
CAS号：
性质：此类密封属径向自紧密封，以其密封垫圈横断面呈B形而得名。依靠B形环的两个波峰分别与端盖和简体端部的环形密封面接触，靠径向过盈来产生预紧密封比压。当内压作用后，B形环向外扩张，密封比压相应增大，以达到径向自紧。它的最大优点是在介质压力作用下，当联接系统的轴向刚度较低而产生轴向位移时，B形环密封结构仍能保持可靠的密封。
CAS号：
性质：此类密封属径向自紧密封，以其密封垫圈横断面呈B形而得名。依靠B形环的两个波峰分别与端盖和简体端部的环形密封面接触，靠径向过盈来产生预紧密封比压。当内压作用后，B形环向外扩张，密封比压相应增大，以达到径向自紧。它的最大优点是在介质压力作用下，当联接系统的轴向刚度较低而产生轴向位移时，B形环密封结构仍能保持可靠的密封。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条