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High Accuracy Flue Gas Analyzer SO2 NO NO2 CO CO2 Infrared Exhaust Gas Analyzer

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High Accuracy Flue Gas Analyzer SO2 NO NO2 CO CO2 Infrared Exhaust Gas Analyzer

Country/Region china
City & Province wuhan
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Product Details

Flue Gas Analyzer Working Principle UV-GAS-500 Emission Monitoring Measure 5 Gases UV NDIR Technology

 

The working principle of a flue gas analyzer involves the measurement and analysis of gases emitted from combustion processes. Here is a general overview of the working principle of a flue gas analyzer:


1. Gas Sampling: The flue gas analyzer utilizes a sampling probe that is inserted into the flue or stack where the combustion gases are emitted. The probe is positioned in a way that it captures a representative sample of the flue gas.


2. Gas Extraction: The flue gas is extracted from the flue or stack through the sampling probe. Some analyzers employ a built-in pump to draw the gas sample into the analyzer, while others rely on the natural draft of the flue gas.


3. Gas Conditioning: The extracted flue gas may contain particulates, moisture, or other impurities that could interfere with accurate measurements. Therefore, the gas conditioning system of the analyzer may include filters, condensation traps, or other mechanisms to remove these impurities and ensure a clean gas sample for analysis.


4. Gas Analysis: Once the flue gas is properly conditioned, it is directed to the sensors within the analyzer for analysis. Different sensors are used to measure specific gas parameters such as oxygen (O2), carbon dioxide (CO2), carbon monoxide (CO), nitrogen oxides (NOx), sulfur dioxide (SO2), and possibly other components depending on the analyzer's capabilities.


5. Sensor Technologies: Flue gas analyzers employ various sensor technologies to measure gas concentrations. For example, an electrochemical sensor may be used to measure oxygen and carbon monoxide levels, while an infrared sensor can be utilized for carbon dioxide measurement. Other sensing technologies such as chemiluminescence, ultraviolet (UV), or non-dispersive infrared (NDIR) may be employed for measuring nitrogen oxides and sulfur dioxide.


6. Signal Processing and Display: The measured gas concentrations from the sensors are processed by the analyzer's electronics, which convert the sensor signals into readable values. The results are then displayed on the analyzer's screen, indicating the concentrations of different gases in the flue gas sample.


7. Data Logging and Analysis: Many flue gas analyzers are equipped with data logging capabilities, allowing the user to store and analyze measurement data over time. This feature enables trend analysis, comparison of multiple measurements, and generation of comprehensive reports for performance evaluation, emissions monitoring, and compliance purposes.


8. Calibration and Maintenance: To maintain accuracy, flue gas analyzers require periodic calibration using reference gases of known concentrations. Calibration procedures may involve adjusting the analyzer's sensors or other calibration mechanisms. Regular maintenance, such as sensor cleaning and replacement of consumables, is also necessary to ensure reliable performance.


It's important to note that the specific working principle and internal mechanisms can vary among different flue gas analyzer models and manufacturers. The above description provides a general understanding of the common principles involved in flue gas analysis. For accurate operation and maintenance, it's recommended to refer to the user manual and guidelines provided by the manufacturer of the specific flue gas analyzer being used.

 

Introduction

 

Flue Gas Analyzers UV-GAS-500 (low emission monitoring) based on DOAS and chemometric algorithms (PLS) , able to measure concentration of gases including SO2 , NO2, NO, O2 , NH3, Cl2, O3, H2S etc. It has features of high measure accuracy, outstanding reliability, fast response time and wide applicable scope. It fully qualify measurement technology index of low emission monitoring occasions.

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