CFB锅炉烟气SO_2浓度及脱硫效率的简便计算  

Simple calculation of SO_2 concentration in flue gas from a CFB boiler and the desulfurization efficiency

作　　者：黄中[1] 

机构地区：[1]华能清洁能源技术研究院有限公司,北京100098

出　　处：《热力发电》2014年第2期58-60,69,共4页Thermal Power Generation

基　　金：“十二五”国家科技支撑计划“CFB锅炉燃用难燃煤种的研究”项目(2012BAA02B02)

摘　　要：烟气SO2浓度是CFB锅炉重要的环保指标也是计算脱硫效率的主要依据。提出了一种使用公式C0SO2=55 922×St,ar/Qnet,ar计算CFB锅炉烟气SO2浓度的简便计算方法,该方法无需使用元素分析化验结果,仅通过燃料的收到基低位发热量和全硫计算出锅炉烟气SO2浓度和脱硫效率。CFB锅炉脱硫的计算效率与实际效率不同,通常实际脱硫效率要低于计算脱硫效率。SO2 concentration in ilue gas is an tmporta-t c,v also the main basis for desuliurization efficiency calculation. A simple calculation method for SO2 concentration was proposed,which applying the equation Cso2=55922×St,ar/Q-net,ar This method doesn＇t need the ultimate analysis results,it can obtain the SO2 concentration and desulphuriza- tion only via the low calorific value （received basis） and total sulfur content of the fuel. The de- sulphurization efficiency of CFB boilers includes the calculated desulphurization efficiency and the actual desulphurization efficiency. Generally,the actual desulphurization efficiency is lower than the calculated one.

关 键 词：CFB锅炉 烟气 SO2浓度 计算脱硫效率 实际脱硫效率 

分 类 号：TK229.6[动力工程及工程热物理—动力机械及工程]