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1)  seal principle
密封原理
1.
This article simply introduced the heat interchanger survey,Introduced returns the factory repair sentiment, Has analyzed this heat interchanger Divulges,reason and the processing method,Simply introduced this heat interchanger seal principle.
本文简单介绍了该换热器概况,介绍了返厂修理情况,分析了该换热器内漏原因及处理方法,简单介绍了该换热器密封原理
2)  dynamic seal principle
动态密封原理
3)  seal mechanism
密封机理
1.
analyses the seal mechanism of sleeve expansion joint and the defect of the current calculation formula of the friction force,presents new formula and illustrates the influence factors of friction force.
分析了套筒补偿器密封机理及目前所用的摩擦力计算公式的缺陷 ,给出了新的计算公式 ,并对影响摩擦力的因素进行了说明。
4)  sealing mechanism
密封机理
1.
Sealing mechanism and application research of combined MR sealing element;
直角滑环式组合型金属橡胶密封件的密封机理及应用研究
2.
Its geometric shape,sealing characteristics and sealing mechanism were analyzed,and its application in the field of petroleum machinery was introduced.
介绍了一种新的流体动力润滑旋转密封———Kalsi密封;分析了其几何形状、密封特性及密封机理;并介绍了其在石油机械中的应用。
3.
In past of 50 years,the hypothesis of surface tension and the hypothesis of sticky strength set up the sealing mechanism.
综述 5 0年来构建机械密封机理的表面张力假说和粘滞力假说。
5)  Theory of seal
密封理论
6)  seal management
密封管理
1.
based on seal management status in domestic refinery, evaluate synthetically all the seal system by probability theory and fuzzy mathematics theory, meanwhile, exploit a suit of seal evaluation and management system which can be put up in the internet by asp.
基于国内各炼化厂密封管理现状,运用概率论和模糊数学理论对各个密封系统进行了综合评价,同时运用ASP。
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。

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