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介绍了真空冷冻干燥装置工业检漏的原理和检漏方法。着重讨论充压检漏法、真空计检漏法、卤素检漏法、氦质谱检漏法在冷冻干燥机中的应用。这些方法也适用于生物制品和药品的冷冻干燥装置的检漏。文内介结了HFZV—1型真空食品冷冻干燥装置的检漏效果,达到了设计指标。
The principle and method of industrial leak detection of vacuum freeze-drying equipment are introduced. Emphasis will be placed on the application of filling pressure detection, vacuum gauge leak detection, halogen leak detection and helium mass spectrometry in freeze dryer. These methods are also suitable for leak detection of freeze-drying devices for biologicals and pharmaceuticals. Wen Jie Jie knot HFZV-1 type vacuum food freeze-drying device leak detection effect, reached the design index.