Fault escaped trace hydrogen gas on-line monitoring system and monitoring method used for earthquake observation
A technology of trace hydrogen and seismic observation, which is applied in the direction of measuring devices, instruments, and material analysis through electromagnetic means, etc., can solve the problem that the fault gas collection method is susceptible to environmental interference, the monitoring system cannot continuously observe, and the observation and analysis of earthquake precursors are difficult, etc. problems, to meet the requirements of earthquake precursor observation, improve environmental adaptability, and good timeliness
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[0027] Example: The on-line monitoring system for trace hydrogen gas escaping from faults for seismic observation in this example, such as figure 1 As shown, it includes an in-situ gas collection pretreatment device 4, a first solenoid valve 1, a second solenoid valve 2, a third solenoid valve 3, a sampling pump 5, a quantitative pipe 6, a gas separation column 7, a hydrogen detection device 10, and an exhaust gas The processing device 8, the circulating air pump 9 and the main control circuit, the third solenoid valve, the first solenoid valve, the quantitative pipe, the second solenoid valve and the sampling pump are connected in sequence, and the third solenoid valve is respectively connected with the sample gas intake pipe 31 and the air intake pipe 32. The sample gas inlet pipe and the in-situ gas-gathering pretreatment device, the inlet mask of the in-situ gas-gathering pretreatment device is on the fault observation hole, and the output pipe of the sampling pump is conne...
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