某600 MW机组烟冷器堵灰的原因分析及对策
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摘要
对华电国际奉节发电厂烟气系统加装烟气余热回收-再热装置(MGGH)中烟冷器堵灰的原因进行了分析,通过经验总结找出了解决问题的方法,使机组运行中烟冷器的运行状态得到了改善,同时脱硫吸收塔出口的净烟气温度得到提高,保证了吸收塔尾部烟道及烟囱的运行安全,解决了烟囱烟羽现象。
In this paper,based on the gas system in Huadian International Fengjie Power Plant,the cause of ash fouling in media gas-gas heater( MGGH) was analyzed. According to the actual operation experience of such system,the effective treatments to solve ash fouling were proposed,which improved the MGGH performance and increased the gas temperature from the outlet of desulfuration absorber tower. Finally,the treatments were proved to be capable of ensuring the operation safety of absorber tower rear flue and chimney,and solving the plume phenomenon in chimney.
In this paper,based on the gas system in Huadian International Fengjie Power Plant,the cause of ash fouling in media gas-gas heater( MGGH) was analyzed. According to the actual operation experience of such system,the effective treatments to solve ash fouling were proposed,which improved the MGGH performance and increased the gas temperature from the outlet of desulfuration absorber tower. Finally,the treatments were proved to be capable of ensuring the operation safety of absorber tower rear flue and chimney,and solving the plume phenomenon in chimney.
引文
[1]李新超.管束式除尘器与旋汇耦合器在脱硫技术中的应用[J].黑龙江科技信息,2015(33):3.
[2]江哲生,许传凯.我国烟气余热利用换热器发展概述[J].中国高新技术企业,2012(22):1-6.
[3]陈文理.MGGH技术在1 000 MW机组中应用的技术、经济性分析[J].电力建设,2014,35(5):103-107.
[4]赵雁翎,毕雪峰.1 000 MW级纯凝机组低温省煤器与低低温电除尘、MGGH综合设置研究[C]//中国动力工程学会.超超临界机组技术交流2013年会论文集,2013.
[5]郭家旺.浅析MGGH烟气处理技术在国内的应用[J].科技创新与应用,2016(12):118.
[6]刘毅,张千.600 MW火电机组湿法烟气脱硫系统GGH堵灰治理[J].神华科技,2009,7(2):83-90.
[2]江哲生,许传凯.我国烟气余热利用换热器发展概述[J].中国高新技术企业,2012(22):1-6.
[3]陈文理.MGGH技术在1 000 MW机组中应用的技术、经济性分析[J].电力建设,2014,35(5):103-107.
[4]赵雁翎,毕雪峰.1 000 MW级纯凝机组低温省煤器与低低温电除尘、MGGH综合设置研究[C]//中国动力工程学会.超超临界机组技术交流2013年会论文集,2013.
[5]郭家旺.浅析MGGH烟气处理技术在国内的应用[J].科技创新与应用,2016(12):118.
[6]刘毅,张千.600 MW火电机组湿法烟气脱硫系统GGH堵灰治理[J].神华科技,2009,7(2):83-90.