Gas path gas leakage detection structure of chromatographic instrument for laboratory
A technology for detecting structures and chromatographs, which can solve the problems of unreliable and inconvenient detection of air leakage by detecting the appearance of fluid at the leakage point, testing the fluid tightness, and testing machine/structural components, etc., to achieve Reliable leak detection and easy operation
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[0019] Embodiment: A kind of chromatograph gas path leak detection structure used in the laboratory (see attached figure 1 To attach Figure 4 ), installed at the connection position of the pipeline on the gas path of the laboratory chromatograph, and the gas path is connected between the gas cylinder 27 and the chromatograph 28. It includes a sealing bag 1 and a positioning shell 2. The outer wall of the sealing bag is bonded to the inner wall of the positioning shell. Both ends of the sealing bag are provided with connecting sleeves 3. The two connecting sleeves are respectively set on the outer walls of two adjacent pipelines on the gas path, and the inner wall of the sealing bag and the pipeline The air storage chamber 4 is formed between the outer walls, and the two ends of the positioning shell are provided with fastening sleeves 5, and the two fastening sleeves are respectively set on the outer walls of the two connecting sleeves, the outer walls of the fastening sleeve...
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