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How to Install Accurately to Ensure The Accuracy of Oxygen Analyzer Measurement?

The oxygen analyzer is based on the Karman vortex principle, which is mainly manifested in setting up a non-current line vortex generator (resistive fluid) in the flowing fluid, which alternately generates two regular vortices from both sides of the vortex generator. It is widely used in petroleum, chemical, metallurgy, Measurement and control of superheated steam, saturated steam, compressed air and general gas, water and other liquids in thermal, textile, paper and other industries.

How to install accurately to ensure the accuracy of oxygen analyzer measurement: 1. Calculation of steam mass flow. When oxygen analyzer measures steam, first obtain the flow value from the differential pressure signal, and then obtain the density from the steam temperature and pressure table to calculate the steam Flow quality. 2. Correction of Reynolds number, the flow coefficient of oxygen analyzer is positively correlated with Reynolds number. There are many types of trace oxygen analyzers, with different detection principles and strong pertinence. Therefore, suitable instruments should be selected according to different use occasions and different process conditions. The oxygen meter thus controls the combustion status of various combustion equipment at the optimal state, which can effectively save various fuels (such as: raw coal, oil, natural gas, gas, etc.), control the equipment to operate smoothly and economically, and extend the service life of the equipment; At the same time, it can also reduce the “blackness” of exhaust smoke and reduce harmful gases such as smoke dust and SOX. The oxygen analyzer can monitor parameters such as gas temperature and pressure, and is beautiful and easy to operate. Thanks to the high-performance imported sensors, the whole machine maintains the advantages of high accuracy, high stability, and long life. Once promoted , Has been widely recognized and praised by users. When the mass fluid changes, the Reynolds number changes inversely, resulting in a change in the flow coefficient. 3. The oxygen analyzer has been calibrated one by one before leaving the factory. Because the outflow coefficient is calculated by software and the computer calculates the final comparison fantasy, the on-site environment is still positive. Therefore, in order to ensure the measurement accuracy, the real flow calibration of each flowmeter is actively carried out and the calibration is compared. The outflow coefficient and the calculated consequences of the outflow, calculate the difference, and make corrections. 4. Anti-shrinkage. When the oxygen analyzer measures the flow of steam and gas, it is necessary to calibrate the fluid shrinkage. For detailed calibration coefficients, please refer to the throttling installation design manual. 5. The influence of temperature on the oxygen analyzer and its modification, the change of fluid temperature causes the change of density , Resulting in changes in the relationship between differential pressure and flow. Secondly, changes in temperature cause changes in the inner diameter of the pipe, openings and changes in temperature

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