Abstract
The combustion of fossil fuels will not only produce a lot of carbon dioxide, but also convert sulfur dioxide into sulfur dioxide, which will seriously pollute the atmosphere. Rapid and efficient desulfurization is very important for enterprises that consume a lot of fossil fuels. This paper briefly introduced the sulfur removal principle of and the mathematical model of flue gas flow of the wet spray method. After that, the flow field of the desulfurization tower before and after optimization was simulated by ABAQUS software, and the model test was carried out under the similar condition by using the model whose scale was reduced 10 times. The results showed that the velocity distribution of the spray layer and smoke outlet in the section velocity distribution map obtained by numerical simulation was not even and the velocity distribution after optimization was obviously uniform, while the velocity distribution of the demisting layer before and after optimization was relatively uniform and had little change. The results obtained by the test of the model with the reduced scale were close to the numerical simulation results, and the removal rate of sulfur dioxide was greatly improved after optimization.
Highlights
The rapid development of economy cannot be separated from the development of real industry
This paper briefly introduced the principle of Sulphur removal and the mathematical model of flue gas flow of the wet spray method
This paper briefly introduced the sulfur removal principle and the mathematical model of flue gas flow of the wet spray method
Summary
The rapid development of economy cannot be separated from the development of real industry. In the rapid development of industry, extensive development mode [1] inevitably causes damages to the environment, especially in heavy industry-intensive areas in China. Wang et al [5] simulated the two-phase flow field of sintered flue gas desulfurization tower using ANSYS CFX software. The simulation results showed that the gas-liquid contact time was long when the flow field was uniform, and the pressure drop mainly occurred in the absorption zone, which provides a reference for improving the desulfurization efficiency of the desulfurization tower. Qi et al [6] simulated the running conditions of a sintering plant using ANSYS CFX and studied the flow fields without and with fluid spray of a full-scale ammonia-based wet flue gas desulfurization (WFGD) double tower. The model whose scale was reduced 10 times was tested under the similar conditions
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