An automatic atmospheric monitoring device and method capable of realizing sampling/calibration alternate equivalent operation
An automatic monitoring and atmospheric technology, which is applied to the analysis of materials and instruments, can solve the problems of consuming more manpower, material and financial resources, different physical status indicators, and daily work impact, so as to achieve economical savings, avoid data distortion, and operate Time-saving and labor-saving effect
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Embodiment example 1
[0040] When the instrument is calibrated, the mixed standard gas tank 6 and the dynamic calibrator 5 are opened, the working signal of the dynamic calibrator 5 is transmitted to the relay 16 and the relay is de-energized, and the solenoid valve 15 and the sampling pump 14 at the end of the central channel 9 of the gas circuit are also simultaneously Power-off stops collecting air and enters the central channel 9 of the gas circuit. The standard gas and air are fed into the dynamic calibrator 5 and mixed according to a certain ratio and then passed into the central channel 9 of the gas circuit. The mixed standard gas quickly fills the central channel 9 of the gas circuit Under the action of the built-in air extraction device of the analytical instrument 13, it enters the analytical instrument 13 through the output branch 11 and the filter device 12 for analysis, and the instrument is calibrated according to the accuracy of the linear correlation coefficient of the curve, and at t...
Embodiment example 2
[0056] When sampling, the dynamic calibrator 5 is closed, the power-off signal of the dynamic calibrator 5 is transmitted to the relay 16 and the relay is energized, and the solenoid valve 15 and the sampling pump 14 at the end of the central channel 9 of the gas circuit are also energized and are in working state at the same time. Under the power of the pump 14, the air enters the central channel 9 of the gas path through the sampling head 1 arranged outside the roof 2, and under the action of the air extraction device built in the analytical instrument 13, the air passes through the output branch 11 and is filtered by the filter device 12 After removing the particles therein, enter the analysis instrument 13 for analysis, and output real-time analysis data.
[0057] After the device has sampled for a period of time, the analytical instrument 13 needs to be calibrated again, and the aforementioned instrument calibration steps are repeated.
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