Device for using pipeline gas as carrier gas of chemical analysis instrument
A pipeline gas and purification device technology, applied in scientific instruments, instruments, measuring devices, etc., can solve problems such as incomplete purity of bottled gas, analysis deviation, bottled gas pollution, etc., and achieve carrier gas flow and purity stability improvement, The effect of improving the stability of the instrument operation and reducing the risk of potential safety hazards
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[0018] The bottle loading gas and pipeline carrier gas used in the following specific embodiments are all argon, the chemical analysis instrument is a chromatograph, and the purification device of the chemical analysis instrument is a chromatograph purifier.
[0019] In the specific implementation of this application, the external gas source is pipeline argon, the purity of argon is ≧99.999%, which fully meets the requirements of carrier gas, and the quality is stable, and the pressure of argon in the pipe network is maintained at 1.5-2.2MPa.
[0020] Depend on figure 1 As shown, the device for using the pipeline gas as the carrier gas of the chromatograph includes a pipeline carrier gas supply pipeline drawn from an argon pipeline used as an external gas source, and the pipeline carrier gas supply pipeline includes gas source pipelines 1 connected in series. , the first pressure gauge 2, the first shut-off valve 3, the first pressure reducing valve 4, the second pressure gaug...
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