氧化镁法烟气脱硫特性及运行情况综述
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摘要
氧化镁法烟气脱硫技术具有高脱硫效率、低能耗、安全稳定运行的优点,目前已成为一种经济实用的脱硫新趋势。介绍了国内外氧化镁法烟气脱硫技术的发展历程,综述了脱硫工艺的工艺流程及基本原理,从反应动力学的角度分析了入口二氧化硫浓度、烟气流量、温度、含尘量等因素对脱硫效率的影响,并进行关键工艺运行及工程设计参数的控制研究,展望了脱硫副产物后处理技术、脱硫吸收塔结构的优化设计等方面的发展趋势,为同类型脱硫工程设计提供借鉴与参考。
Magnesia flue gas desulfurization(FGD)technology has the advantages of high desulfurization efficiency,safe and stable operation and low energy consumption.At present magnesia FGD technology has become a kind of new economical and practical desulfurization trend.The development history of domestic and overseas magnesia FGD technology was introduced.The technological principles and process of magnesia FGD technology were expounded.The reaction kinetics were analyzed from the influence factors on desulfurization efficiency such as inlet SO_2 concentration,flue gas flow,temperature and dust content.The key technical process and design parameters were analyzed.The further development of technology for desulfurization by-product post-processing,desulfurization tower structure optimization design were also proposed.Magnesia FGD technology could provide reference and consulting for similer desulfurization engineering design.
Magnesia flue gas desulfurization(FGD)technology has the advantages of high desulfurization efficiency,safe and stable operation and low energy consumption.At present magnesia FGD technology has become a kind of new economical and practical desulfurization trend.The development history of domestic and overseas magnesia FGD technology was introduced.The technological principles and process of magnesia FGD technology were expounded.The reaction kinetics were analyzed from the influence factors on desulfurization efficiency such as inlet SO_2 concentration,flue gas flow,temperature and dust content.The key technical process and design parameters were analyzed.The further development of technology for desulfurization by-product post-processing,desulfurization tower structure optimization design were also proposed.Magnesia FGD technology could provide reference and consulting for similer desulfurization engineering design.
引文
[1]郭如新.镁法烟气脱硫研究进展[J].硫磷设计与粉体工程,2009(3):10-14.
[2]连娜,陈树江,田琳,等.菱镁矿浮选尾矿浆液的烟气脱硫性能[J].化工环保,2014,34(1):81-83.
[3]刘卉卉,宁平.磷矿浆催化氧化湿法脱硫研究[J].化工矿物与加工,2005,34(7):12-14.
[4]SOMMERER D K.Magnesia FGD process testing on a coalfired power plant[R].Stamford:York Research Corp.,1977.
[5]KOEHLER G.Magnesia scrubbing applied to a coal-fired power plant[R].New York:Chemico Air Pollution Control Co.,1977.
[6]MURTHY K S.Status and problems of regenerable flue gas desulfurization processes[J].Journal of the Air Pollution Control Association,1976,26(9):851-855.
[7]郭如新.从国外镁法烟气脱硫的研发进程看国内发展前景[J].硫磷设计与粉体工程,2009(2):1-6.
[8]山乐胜.应用氧化镁法烟气脱硫工艺的可行性分析[J].山东电力技术,2003(6):14-17.
[9]魏巍.烟气氧化镁法脱硫技术研究[J].山西能源与节能,2004(3):20-21.
[10]郑春玲.氧化镁法烟气脱硫技术在钢铁行业的应用与发展[J].南方金属,2012(1):48-51.
[11]钟振成.强制氧化抛弃法氧化镁脱硫技术工程应用研究[R].北京:清华紫光环保有限公司,2007.
[12]张晏,梁海卫.新型氧化镁法脱硫技术在金隆环集烟气处理中的应用[R].铜陵:金隆铜业有限公司,铜陵有色(集团)公司稀贵金属分公司,2012.
[13]闫志谦,程艳坤,张滨,等.湿式氧化镁法烟气脱硫中吸收塔系统的设计与应用[J].煤炭技术,2013,32(2).
[14]崔可,柴明,徐康富,等.回收法氧化镁湿法烟气脱硫机理和工艺基础研究[J].环境科学,2006,27(5):846-849.
[15]曲伟,张韬,刘德.湿式氧化镁脱硫副产物浆液的利用[J].科技传播,2011(3):106,113.
[16]朱智颖.湿法烟气脱硫过程的动力学和热力学[J].化学过程与装备,2015(2):13-17.
[17]EGAN Z,FELKER L K.Removal of SO2from simulated flue gas by magnesia spray absorption:parameters affecting removal efficiency and products[J].Industrial&Engineering Chemistry Process Design and Development,1986,25(2):558-561.
[18]袁钢,马永亮,汪黎东.氧化镁烟气脱硫反应特性研究[J].环境工程学报,2010,4(5):1134-1138.
[19]邹建,袁益超.氧化镁湿法烟气脱硫优化试验研究[J].能源研究与信息,2011,27(3):145-150.
[20]徐宏建,张超,葛红花.镁法烟气脱硫工艺的实验室模拟及其优化[J].上海电力学院学报,2010,26(2).
[21]刘朋杰,高宇,胡筱敏,等.新型氧化镁基吸附剂烟气干法脱硫研究[J].安全与环境学报,2008,8(3):33-36.
[22]郑炜,章拔群,张建立,等.烟气湿法脱硫效率影响的因素[J].中国新技术新产品,2010(6).
[23]王峰.氧化镁脱硫系统改造新尝试[J].资源节约与环保,2013(9):173-174.
[24]王成辉.火电厂烟气含尘量对脱硫系统影响分析[J].通讯世界,2014(13):84-85.
[25]祁君田,田改珍,吴望民,等.烟尘浓度对湿法脱硫吸收塔的影响及对策[J].热力发电,2009,38(8):76-78.
[26]亢万忠,陈昕,仝明.湿式镁法烟气脱硫装置脱硫效率影响因素分析[J].石油石化节能与减排,2011,1(2):33-36.
[27]陈侠,王利莎,陈丽芳,等.氧化镁水合制备氢氧化镁研究[J].盐业与化工,2012,41(3):7-10.
[28]胡晓玥,李多松,田立江.镁法脱硫浆液SO2-4氧化及对脱硫效率的影响[J].安全与环境学报,2014,14(1):168-171.
[29]张晓伟.镁法循环脱硫的镁资源回收循环利用工艺研究[D].上海:华东理工大学,2007.
[30]WOOD J P,SPIVEY J J.Economic comparison of flue gas desulfurization systems for reverberatory furnace SO2control[J].JOM,1983,35(9):47-54.
[31]ANDERSON K D,BARRIER J W,OBRIEN W E,et al.Definitive sox control process evaluations:limestone,lime,and magnesia FGD processes[R].Muscle Shoals:Tennessee Valley Authority,1980.
[2]连娜,陈树江,田琳,等.菱镁矿浮选尾矿浆液的烟气脱硫性能[J].化工环保,2014,34(1):81-83.
[3]刘卉卉,宁平.磷矿浆催化氧化湿法脱硫研究[J].化工矿物与加工,2005,34(7):12-14.
[4]SOMMERER D K.Magnesia FGD process testing on a coalfired power plant[R].Stamford:York Research Corp.,1977.
[5]KOEHLER G.Magnesia scrubbing applied to a coal-fired power plant[R].New York:Chemico Air Pollution Control Co.,1977.
[6]MURTHY K S.Status and problems of regenerable flue gas desulfurization processes[J].Journal of the Air Pollution Control Association,1976,26(9):851-855.
[7]郭如新.从国外镁法烟气脱硫的研发进程看国内发展前景[J].硫磷设计与粉体工程,2009(2):1-6.
[8]山乐胜.应用氧化镁法烟气脱硫工艺的可行性分析[J].山东电力技术,2003(6):14-17.
[9]魏巍.烟气氧化镁法脱硫技术研究[J].山西能源与节能,2004(3):20-21.
[10]郑春玲.氧化镁法烟气脱硫技术在钢铁行业的应用与发展[J].南方金属,2012(1):48-51.
[11]钟振成.强制氧化抛弃法氧化镁脱硫技术工程应用研究[R].北京:清华紫光环保有限公司,2007.
[12]张晏,梁海卫.新型氧化镁法脱硫技术在金隆环集烟气处理中的应用[R].铜陵:金隆铜业有限公司,铜陵有色(集团)公司稀贵金属分公司,2012.
[13]闫志谦,程艳坤,张滨,等.湿式氧化镁法烟气脱硫中吸收塔系统的设计与应用[J].煤炭技术,2013,32(2).
[14]崔可,柴明,徐康富,等.回收法氧化镁湿法烟气脱硫机理和工艺基础研究[J].环境科学,2006,27(5):846-849.
[15]曲伟,张韬,刘德.湿式氧化镁脱硫副产物浆液的利用[J].科技传播,2011(3):106,113.
[16]朱智颖.湿法烟气脱硫过程的动力学和热力学[J].化学过程与装备,2015(2):13-17.
[17]EGAN Z,FELKER L K.Removal of SO2from simulated flue gas by magnesia spray absorption:parameters affecting removal efficiency and products[J].Industrial&Engineering Chemistry Process Design and Development,1986,25(2):558-561.
[18]袁钢,马永亮,汪黎东.氧化镁烟气脱硫反应特性研究[J].环境工程学报,2010,4(5):1134-1138.
[19]邹建,袁益超.氧化镁湿法烟气脱硫优化试验研究[J].能源研究与信息,2011,27(3):145-150.
[20]徐宏建,张超,葛红花.镁法烟气脱硫工艺的实验室模拟及其优化[J].上海电力学院学报,2010,26(2).
[21]刘朋杰,高宇,胡筱敏,等.新型氧化镁基吸附剂烟气干法脱硫研究[J].安全与环境学报,2008,8(3):33-36.
[22]郑炜,章拔群,张建立,等.烟气湿法脱硫效率影响的因素[J].中国新技术新产品,2010(6).
[23]王峰.氧化镁脱硫系统改造新尝试[J].资源节约与环保,2013(9):173-174.
[24]王成辉.火电厂烟气含尘量对脱硫系统影响分析[J].通讯世界,2014(13):84-85.
[25]祁君田,田改珍,吴望民,等.烟尘浓度对湿法脱硫吸收塔的影响及对策[J].热力发电,2009,38(8):76-78.
[26]亢万忠,陈昕,仝明.湿式镁法烟气脱硫装置脱硫效率影响因素分析[J].石油石化节能与减排,2011,1(2):33-36.
[27]陈侠,王利莎,陈丽芳,等.氧化镁水合制备氢氧化镁研究[J].盐业与化工,2012,41(3):7-10.
[28]胡晓玥,李多松,田立江.镁法脱硫浆液SO2-4氧化及对脱硫效率的影响[J].安全与环境学报,2014,14(1):168-171.
[29]张晓伟.镁法循环脱硫的镁资源回收循环利用工艺研究[D].上海:华东理工大学,2007.
[30]WOOD J P,SPIVEY J J.Economic comparison of flue gas desulfurization systems for reverberatory furnace SO2control[J].JOM,1983,35(9):47-54.
[31]ANDERSON K D,BARRIER J W,OBRIEN W E,et al.Definitive sox control process evaluations:limestone,lime,and magnesia FGD processes[R].Muscle Shoals:Tennessee Valley Authority,1980.