Intelligent analyzer and detection method for standard state dry basis
An intelligent analysis and detection method technology, applied in the direction of transmittance measurement, etc., can solve the problems of inability to measure the standard dry basis concentration of flue gas gaseous pollutants to be measured in real time, the instrument is easily damaged, and the lack of intelligent diagnosis function of monitoring equipment, etc. Achieve the effects of optimizing the overall layout, reducing costs, and improving sensitivity and accuracy
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Embodiment 1
[0058] Such as figure 1 The schematic diagram of the working process of the standard dry-based intelligent analyzer shown is mainly composed of the gas circuit part and the circuit part, the horizontal flow chart of the gas circuit part, and the vertical flow diagram of the circuit part (mainly electrical signals). The gas path process is that the flue gas passes through the flue gas water filter device in sequence to filter out the liquid water that may be generated in the gas path, and then passes through the flue gas multi-parameter measurement device. The sensor in the flue gas multi-parameter measurement device senses and transmits the measured temperature, The humidity and pressure signals are finally passed through the gaseous pollutant sensing and measuring chamber to measure the concentration signals of the flue gas components. The circuit part process mainly includes a data acquisition and processing unit and an output display communication unit. The data acquisition...
Embodiment 2
[0073] The structure is the same as in Example 1, except that the SO 2 Measuring range is 0~3000mg / m 3 , to be tested SO 2 Sample gas concentration is 1500mg / m 3 , the specific measurement steps are as follows:
[0074] 1. Turn on the power supply of the standard dry base intelligent analyzer;
[0075] 2. Calibration:
[0076] (1) Zero point calibration: connect the zero gas to the air inlet 19 of the standard dry-based intelligent analyzer, and pass the SO 2 The sensor measures the intensity of light passing through the reference cell at zero gas I 参 and the intensity I of the light passing through the sample cell 0 , according to the data acquisition and processing unit of the standard dry-based intelligent analyzer, the transmittance T of monochromatic light passing through the reference cell is obtained 参 =I 参 / I 0 After 10 minutes, check the measured value on the display screen 6. The measured value is stable at 1ppm, with a relative error of 0.03%, which meets t...
Embodiment 3
[0084] The sensors of multiple gaseous pollutant sensing and measuring chambers are integrated in the same chassis in series, such as SO2, NO, NO2, and CO sensors can be combined and matched in any way, and the data acquisition and processing unit is added with NO, NO 2 , CO signal collection channel and concentration conversion, the output display communication unit increases the functions such as the standard dry base type of pollutants displayed, the monitoring equipment has strong expandability, and other device structures are the same as in embodiment 1.
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