| 氨法烟气脱硫模型的研究 |
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| 引用本文： | 贾勇,钟秦,杜冬冬,何川.氨法烟气脱硫模型的研究[J].动力工程,2009,29(10). |
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| 作者姓名： | 贾勇 钟秦 杜冬冬 何川 |
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| 作者单位： | 南京理工大学化工学院,南京,210094 |
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| 基金项目： | 江苏省自然科学基金资助项目(BK2007215); 江苏省高校科研成果产业化推进资助项目(JH07-008) |
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| 摘 要： | 以建立的填料塔氨法脱硫实验系统为例,研究了氨法脱硫的气液传质和化学反应过程,并建立了数学模型.利用该模型对填料塔氨法脱硫过程进行了数值模拟,分析了吸收液pH值、液气比、初始SO2浓度和烟气流速等因素对脱硫效率的影响,并与实验结果进行了对比.结果表明:在运行过程中,将pH值控制在5.5～6.5、液气比控制在2.0～2.7 L/m3、烟气流速控制在1.5～2.0m/s范围内较为合适;模型计算值和实验数据吻合良好,证明了该模型的合理性,为氨法烟气脱硫的工艺设计提供了理论参考.
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| 关 键 词： | 氨法脱硫 填料塔 传质过程 数学模型 |
Study on Modeling of Ammonia-based Flue Gas Desulfurization Process |
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| JIA Yong
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ZHONG Qin
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DU Dong-dong
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HE Chuan.Study on Modeling of Ammonia-based Flue Gas Desulfurization Process[J].Power Engineering,2009,29(10). |
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| Authors: | JIA Yong ZHONG Qin DU Dong-dong HE Chuan |
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| Affiliation: | JIA Yong,ZHONG Qin,DU Dong-dong,HE Chuan(School of Chemical Engineering,Nanjing University of Science and Technology,Nanjing 210094,China) |
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| Abstract: | In order to study the gas-liquid mass transfer and chemical reaction process during ammonia-based flue gas desulfurization in a packed column,a mathematical model was built,with which numerical simulation was performed,and major factors affecting the desulfurization efficiency analyzed,such as the pH value,liquid-gas ratio,initial SO_2 concentration and gas flow rate etc.Comparison between simulated calculation and experimental results show that high desulfurization efficiency can be obtained when the pH va... |
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| Keywords: | ammonia desulfurization packed column mass transfer process mathematical model |
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