What Is a Flue Gas Analyzer?

The flue gas analyzer is a device that continuously analyzes and measures CO 2 , CO, NO x , SO 2 and other flue gas contents using electrochemical sensors. It is mainly used for hand-held environmental monitoring of small fuel oil and gas boiler pollution discharge or near the pollution source. According to the way of use, it can be divided into a handheld flue gas analyzer and a fixed-line recording flue gas analyzer.

The integrated flue gas analyzer is generally suitable for boiler gas pollution analysis, thermal analysis, and combustion process research in a variety of industries. It can measure and calculate 7 gases and 18 combustion parameters at the same time, especially the life of O 2 sensors and machine stability Key operating parameters of the instrument such as battery power and battery capacity. The integrated flue gas analyzer is small in shape and light in weight, and can also be placed on top of each other. A portable analyzer that can play a powerful role in various fields. As an optional part, we also prepared a pretreatment device that is most suitable for long-term continuous detection in harsh environments such as burning appliances, boilers, waste incineration, etc. We hope to bring you the greatest convenience.
Comprehensive flue gas analyzer can be applied in:
1. Natural gas, liquefied gas, gas leak detection.
2. Municipal gas pipeline leaks.
3. Fast gas analysis or online analysis.
4. Natural gas pipeline leakage monitoring.
5. Detection of pollution sources.
6. On-site analysis of industrial processes.
7. Scientific research laboratory analysis.
The functional advantages are as follows:
1. Design for field operators.
2. There is no need to move the host computer on site, and the host computer can be remotely controlled to complete all functions through a small portable handheld programmer and data cable.
3. One full charge can work continuously for more than 8 hours without external power supply [2]
The main components of the flue gas are: nitrogen, carbon dioxide, water vapor, particulate matter (dust, blackness), oxygen, carbon monoxide, nitrogen oxides, sulfur dioxide, hydrogen sulfide, hydrocarbons, hydrogen cyanide, ammonia, halides, etc. .
There are two commonly used working principles of the flue gas analyzer, one is the electrochemical working principle and the other is the infrared working principle. Portable flue gas analyzers on the market typically combine these two principles. The following is an introduction to the working principles of these two types of flue gas analyzers:
1. Direct pumping sampling method;
2. Dilution suction sampling method;
3. Online direct measurement method.
Measurable
Flue gas measurement environment is generally very harsh. As we all know, the temperature and humidity of many sulfur-containing flue gases are very high.
Flue gas analyzer is suitable for various industrial gas stoves or chimneys; environmental protection industry; engines; boiler monitoring; energy monitoring functional departments; metallurgical industry; thermal power industry; building material silicate industry;
For determination
1. The first right-exit self-aligning diffraction grating adjustable wavelength optical system for smoke analyzers in China . The product uses a monochromatic body of the right exit diffraction grating dedicated to the flue gas analyzer to achieve continuous wavelength adjustment, so that the application range of the product reaches the level of full function, which can be quickly and easily set according to the requirements of the measured material elements. Wavelength can be used for the analysis of various elements of various metals, non-metal materials and their alloys such as steel, copper and aluminum.
2.Necessity of using a continuously tunable light source
The analysis principle of the flue gas analyzer is a solution containing different elemental components, the compounds of which are of different colors, and have selective absorption spectra for light of different wavelengths. Therefore, according to Lambert-Beer law, the element content is obtained by detecting the absorbance of a specific element solution at a specific wavelength. Different materials, different elements, and different analysis methods require different wavelengths. Therefore, in order to meet the needs of various industries to detect and analyze multiple elements in different materials, different wavelengths need to be easily set.
While adopting the right-exiting self-aligning diffraction grating adjustable wavelength optical system, a curved-type color cuvette has been developed to greatly reduce the interference of ambient light on analysis and detection, and achieve the freedom to set the detection wavelength. It is also convenient for users to analyze the design purpose of the operation [3] .

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