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1)  restrictive ring seal
阻流环密封
2)  single-flow sealing structure
单流环密封
1.
By comparing the 2 sealing structures,it is found that the single-flow sealing structure has advantages of more simple construction,higher safety and reliable operation performance,and with oil/water separation device,while the double-flow sealing structure is featured by complicated construction,but facile operation.
介绍了国内1000MW核电站氢冷发电机使用的2种密封油系统的功能、结构和特点,并进行综合分析比较,指出单流环密封结构简单,又具有油、水分离装置,运行安全可靠;双流环密封结构复杂,但运行比较灵活。
3)  double-flow sealing structure
双流环密封
1.
By comparing the 2 sealing structures,it is found that the single-flow sealing structure has advantages of more simple construction,higher safety and reliable operation performance,and with oil/water separation device,while the double-flow sealing structure is featured by complicated construction,but facile operation.
介绍了国内1000MW核电站氢冷发电机使用的2种密封油系统的功能、结构和特点,并进行综合分析比较,指出单流环密封结构简单,又具有油、水分离装置,运行安全可靠;双流环密封结构复杂,但运行比较灵活。
4)  turbulent annular seal
紊流环形密封
5)  double-ring oil sealing
双流环形油密封
6)  double ring sealing bush
双流环密封瓦
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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