氦质谱仪进行汽轮机真空系统检漏的实践

Air in Leakage of the Vacuum System of Turbine Units Detected by a Portable Helium leak Detector

介绍了氦质谱检漏仪进行汽轮机真空系统检漏的原理和方法，并列举了大型机组在运行中真空系统进行检漏所取得的明显效果及主要经验。

It is introduced in this paper that the principle of a heliumleak detector and the way by which air in leakage of the vacuum system of a turbine are detected The evident effects and the primary experience achieved by means of the detector during the operation of the large scale turbine units are specified