Gas online quantitative mixed supercharging system for Raman spectrometer and operation method thereof
A Raman spectrometer, quantitative mixing technology, used in Raman scattering, instruments, measuring devices, etc.
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[0120] Example 1
[0121] The present invention uses the system and the Raman spectrometer to study the relationship between the pressure of methane gas in the inclusions at room temperature and the Raman displacement, and the purity of the methane gas is greater than or equal to 99.999%;
[0122] The specific steps are:
[0123] Step 1. The system construction steps:
[0124] Connect the gas cylinder 1, the pressure reducing valve 2, the volume shifter 3, the medium pressure vessel 6, and the Raman detection module in sequence, and set the valve at the node of each component;
[0125] Step 2. Parameter setting steps:
[0126] The experimental parameters are set in the computer 16, and the experimental parameters include the pressure value of the pressure reducing valve 2 0.8 mpa, the gas volume value required for the experiment, the vacuum pressure value 0.0001 mpa in the gas pipeline, and a set of Raman spectrum detection The gas pressure value required for the experiment;
[0127] Ste...
Example Embodiment
[0160] Example 2
[0161] Using the system combined with GeoFluid FIS20 capillary synthesis inclusions and Raman spectroscopy calibration instrument, the salinity of 0%, 5.5%, 10.0% and 14.3% of H 2 The relationship between the saturated solubility of methane gas in O-NaCl solution and pressure and salinity was studied. The research steps are:
[0162] Step 1. The system construction steps:
[0163] The gas input pipelines are arranged in parallel, and each of the gas input pipelines are respectively connected to the volume shifter 3, the medium-pressure vessel 6, the high-pressure vessel 7 and the Raman detection module in sequence, and is located at the node of each component Set the valve;
[0164] Step 2. Parameter setting steps:
[0165] The experimental parameters are set in the computer 16, and the experimental parameters include the pressure value of the pressure reducing valve 2, the gas volume value required for the experiment, the vacuum pressure value in the gas pipeline, ...
Example Embodiment
[0204] Example 3
[0205] 30mol% CO was prepared by using the system combined with Raman spectrometer 2 +70mol%N 2 The mixed gas is pressurized to 10Mpa for laser Raman analysis, and mol% is the mole fraction.
[0206] The specific steps are:
[0207] Step 1. The system construction steps:
[0208] Connect the gas cylinder 1, the pressure reducing valve 2, the volume shifter 3, the medium pressure vessel 6 and the Raman detection module in sequence, and set the valve at the node of each component;
[0209] Step 2. Parameter setting steps:
[0210] The experimental parameters are set in the computer 16, and the experimental parameters include the pressure value of the pressure reducing valve 2 at 0.8 mpa and the CO required for the experiment. 2 Gas volume value 90ml, N 2 The gas volume value is 210ml, the vacuum pressure value in the gas pipeline is 0.0001mpa, and the gas pressure value required for the Raman spectrum detection experiment is 10Mpa;
[0211] Step 3. Vacuum processing steps...
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