Abstract
This article deals with numerical investigation of flow and mixing of air and sulphur dioxide SO 2 in designated mixing chamber. The mixing chamber is a part of experimental laboratory reactor designed for simulating the flue gas desulfurization (FGD) process. Aim of this work is the numerical investigation of effect of different mixing chamber geometries to mixture composition, especially to mass fraction of sulphur dioxide. Using of similar concentration of sulphur dioxide in the experimental reactor as in the real process is necessary to be able to make additional research. Conclusion describes the effect of different geometries of mixing chamber to mixing. The aim of this work is to develop perfectly works mixing chamber, which will be manufactured and then implemented into experimental FGD reactor. The results will be validated by experiment after the mixing chamber will be manufactured.
Highlights
Coal-fired power plants in the Czech Republic are still a significant source of electricity
Results are divided into three sections to the stages of numerical simulations
Profiles of mass fraction of SO2 across the outlet area is shown in figure 5, detail of profile near the upper wall
Summary
Coal-fired power plants in the Czech Republic are still a significant source of electricity. They produce a large amount of gases, which are harmful for the environment, especially NOx and SO2. Amount of pollutants generated during combustion is several times more than the amount prescribed by legislation. To reduce the amount of SO2 in the emissions, it is necessary to install the flue gas cleaning device. Marocco and Inzoli in work [1] described the mathematical model with all governing equations and source terms. They used them in numerical simulation of a pilot plant open-spray tower
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