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ZHAO Dazhou, LI Yunchao, ZHENG Wenguang, HE Sheng. Numerical simulation on effect of ash removal by adding baffle at outlet of economizer[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 5104-5108. doi: 10.12030/j.cjee.201610024
Citation: ZHAO Dazhou, LI Yunchao, ZHENG Wenguang, HE Sheng. Numerical simulation on effect of ash removal by adding baffle at outlet of economizer[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 5104-5108. doi: 10.12030/j.cjee.201610024
shu

Numerical simulation on effect of ash removal by adding baffle at outlet of economizer

  • 1.

    Huadian Electric Power Research Institute, Hang zhou 310030, China

  • 2.

    Zhejiang Provincial Key Laboratory of Energy Storage and Building Energy-Saving Technology, Hangzhou 310030, China

  • Received Date: 22/12/2016
    Accepted Date: 09/10/2016
    Available Online: 26/08/2017
    Fund Project:
  • A three dimensional numerical model of flue between the outlet of economizer and the inlet of SCR of 660 MW power unit was established,the motion law of fly ash particles was studied by the model. The results show that the incident position of fly ash particles which biased towards the rear of the outlet of economizer and with large diameters were easily trapped by the hopper. The incident position of fly ash particles which biased towards the front of the outlet of economizer and with large diameters can be trapped by adding a battle at the outlet of economizer,meanwhile,the fly ash capture rate of the system was also increased,at this point,the SCR inlet duct is designed to upward can reduce the pressure drop of the system. When the baffle angle is 65°,horizontal flue inclination angle is 30°,the fly ash capture rate of the system increased from 38.6% to 48.4%,the pressure drop of the system increased by 192 Pa.
  • [1] 孙克勤,钟秦.火电厂烟气脱硝技术及工程应用[M].北京:化学工业出版社,2006

    Google Scholar Pub Med

    [2] 张强.燃煤电站SCR烟气脱硝技术及工程应用[M].北京:化学工业出版社,2007

    Google Scholar Pub Med

    [3] 徐秀林,吴卫红,柳东海,等.SCR蜂窝状脱硝催化剂磨损数值模拟研究[J].应用化工,2015,44(6):986-990

    Google Scholar Pub Med

    [4] 邓均慈,李德波.某电厂SCR脱硝催化剂严重磨损原因分析[J].热能动力工程,2014,29(5):580-585

    Google Scholar Pub Med

    [5] 何文深,陈建军,郑佐东.SCR蜂窝式脱硝催化剂抗磨损性能研究[J].电力科技与环保,2011,27(5):10-12

    Google Scholar Pub Med

    [6] 孙叶柱,王义兵,梁学东,等.火电厂SCR烟气脱硝反应器前设置灰斗及增加烟道截面的探讨[J].电力建设,2011,32(12):64-68

    Google Scholar Pub Med

    [7] 孙艺心,韩强.SCR脱硝系统催化剂防磨措施的探讨[J].锅炉制造,2014(4):39-40

    Google Scholar Pub Med

    [8] 盛波,韦红旗,朱亚迪.脱硝系统内横梁结构对催化剂磨损的影响[J].动力工程学报,2015,35(6):489-495

    Google Scholar Pub Med

    [9] 安敬学,王磊,秦淇,等.SCR脱硝系统催化剂磨损机理分析与治理[J].热力发电,2015,44(12):119-125

    Google Scholar Pub Med

    [10] XU Y Y,ZHANG Y,LIU F N,et al. CFD analysis on the catalyst breakage failure of an SCR-DeNOx system for a 350 MW coal-fired power plant[J]. Computers & Chemical Engineering,2014,69(3):119-127

    Google Scholar Pub Med

    [11] 邓静杰,韦红旗,钟亚飞.670 MW机组SCR脱硝催化剂磨损的研究分析[J].电站系统工程,2015,31(4):58-61

    Google Scholar Pub Med

    [12] 李锋,於承志,张朋,等.高尘烟气脱硝催化剂耐磨性能研究[J].热力发电,2010,39(12):73-75

    Google Scholar Pub Med

    [13] 安敬学,王磊,秦淇,等.电站锅炉脱硝系统催化剂磨损数值模拟[J].锅炉技术,2016,47(2):32-38

    Google Scholar Pub Med

    [14] 张涛,李红文.管道复杂流场气固两相流DPM仿真优化[J].天津大学学报(自然科学与工程技术版),2015,48(1):39-48

    Google Scholar Pub Med

    [15] KUAN B,REA N,SCHWARZ M P. Application of CFD in the design of a grit collection system for the coal-fired power generation industry[J].Powder Technology,2007,179(1/2):65-72

    Google Scholar Pub Med

    [16] 朱志飞,王礼鹏,祁慧,等.660 MW燃煤机组锅炉飞灰颗粒物排放特征研究[J].燃料化学学报,2014,42(3):323-328

    Google Scholar Pub Med

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Numerical simulation on effect of ash removal by adding baffle at outlet of economizer

  • Received Date: 22/12/2016
  • Accepted Date: 09/10/2016
  • Available Online: 26/08/2017
Fund Project:

Abstract: A three dimensional numerical model of flue between the outlet of economizer and the inlet of SCR of 660 MW power unit was established,the motion law of fly ash particles was studied by the model. The results show that the incident position of fly ash particles which biased towards the rear of the outlet of economizer and with large diameters were easily trapped by the hopper. The incident position of fly ash particles which biased towards the front of the outlet of economizer and with large diameters can be trapped by adding a battle at the outlet of economizer,meanwhile,the fly ash capture rate of the system was also increased,at this point,the SCR inlet duct is designed to upward can reduce the pressure drop of the system. When the baffle angle is 65°,horizontal flue inclination angle is 30°,the fly ash capture rate of the system increased from 38.6% to 48.4%,the pressure drop of the system increased by 192 Pa.

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