Journal of Shandong University(Engineering Science) ›› 2023, Vol. 53 ›› Issue (5): 142-148.doi: 10.6040/j.issn.1672-3961.0.2022.241

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Design and optimization of the homogenization flow in the circular primary air duct in front of the coal mill

ZHANG Bin1, LI Guanpeng1, CHENG Peng1, LI Yuanlu2, XIN Gongming2, JI Wanxiang3*   

  1. 1. Shandong Electric Power Engineering Consulting Institute Corp., Ltd., Jinan 250013, Shandong, China;
    2. School of Energy and Power Engineering, Shandong University, Jinan 250061, Shandong, China;
    3. Institute of Thermal Science and Technology, Shandong University, Jinan 250061, Shandong, China
  • Published:2023-10-19

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  • TB126
[1] YAN Qingyun, LI You, ZHU Yuanhong, et al. CFD-Based optimization of hot primary-air pipe networks in power plant milling systems[J]. Fdmp-fluid Dynamics & Materials Processing, 2020, 16(3): 623-636.
[2] 王羽,韦红旗,沈萌萌. 火电厂中速磨煤机一次风道流场优化[J].发电设备,2020,34(1):14-19. WANG Yu, WEI Hongqi, SHEN Mengmeng. Flow field optimization of a primary air duct for the medium-speed coal mill of thermal power plant[J]. Power Equipment, 2020, 34(1):14-19.
[3] 王巍,王博. 火电厂一次风量测量不准问题的解决方案[J]. 电力技术,2009(2):54-58. WANG Wei, WANG Bo. Solution to the problem of inaccurate primary air volume measurement in thermal power plants[J]. Electric Power Technology, 2009(2):54-58.
[4] 王旭波,李广红,王巍. 火电厂直吹式煤粉炉磨煤机一次风量测量及自动控制的优化[J]. 陕西理工学院学报(自然科学版),2013,29(1):5-11. WANG Xubo, LI Guanghong, WANG Wei. Thermal power plant directly firing pulverized coal boiler coal mill once wind measurement and automatic control optimization[J]. Journal of Shaanxi Shaanxi University of Technology(Natural Science Edution), 2013, 29(1):5-11.
[5] 何曙勇,李志坚. 磨煤机一次风量测量装置改造及应用[J]. 浙江电力,2010,29(10):43-46. HE Shuyong, LI Zhijian. Improvement andapplication of primary air flow meter[J]. Zhejiang Electric Power, 2010, 29(10):43-46.
[6] 顾志恩,林光锐,朱宝刚. 600 MW锅炉磨煤机入口一次风流量测量装置改造[J]. 电站系统工程, 2016, 32(5): 75-76. GU Zhien, LIN Guangrui, ZHU Baogang. Retrofit of PA flow measuring device at 600MW boiler coal mill inlet[J]. Power System Engineering, 2016, 32(5): 75-76.
[7] 兰斌. 新型磨煤机一次风量测量装置的应用[J]. 华电技术, 2018, 40(3): 57-58. LAN Bin. Application of a new primary air volume measuring device for coal mill[J]. Huadian Technology, 2018, 40(3): 57-58.
[8] 陈海生. 采用FDB/SS型在线风量测量装置提高锅炉一、二次风流量测量的可靠性[J]. 自动化与仪器仪表, 2014(10): 140-142. CHEN Haisheng. Using FDB/SS-line air flow measurement devices to improve boiler reliability secondary air flow measurement[J]. Automation & Instrumentation, 2014(10): 140-142.
[9] 杨耀权,张新胜. 基于自适应变异SAPSO-LSSVM的磨煤机一次风量预测[J].自动化仪表,2016,37(7):88-92. YANG Yaoquan, ZHANG Xinsheng. Primary air flow prediction based on adaptive mutation SAPSO-LSSVM for coal mill[J]. Process Automation Instrumentation, 2016, 37(7): 88-92.
[10] 杨耀权,刘建兵. 基于混合建模的磨煤机一次风量预测算法研究[J]. 仪器仪表学报,2016,37(8):1913-1919. YANG Yaoquan, LIU Jianbing. Research on the algorithm of the coal mill primary air flow prediction based on the hybrid modelling[J]. Chinese Journal of Scientific Instrument, 2016, 37(8): 1913-1919.
[11] 杨耀权,张新胜. LSSVM动态软测量模型在磨煤机一次风量预测方面的应用[J]. 动力工程学报,2016,36(3):207-212. YANG Yaoquan, ZHANG Xinsheng. Soft-sensing of primary air flow in a coal mill based on LSSVM[J]. Journal of Chinese Society of Power Engineering, 2016, 36(3):207-212.
[12] ODGAARD A J, WANG Y. Sediment management with submerged vanes, I: theory[J]. Journal of Hydraulic Engineering, ASCE, 1991, 117(3): 267-283.
[13] ODGAARD A J, WANG Y. Sediment management with submerged vanes: Ⅱ:applications[J]. Journal of Hydraulic Engineering, ASCE, 1991, 117(3): 284-302.
[14] VOISIN A, TOWNSEND R D. Model testing of submerged vanes in strongly curved narrow channel bends[J]. Canadian journal of civil engineering, 2002, 29: 37-49.
[15] 常毅君,王晓冰,张波,等. 磨煤机入口一次风量测量数值模拟研究[J]. 热力发电,2012,41(12):48-50. CHANG Yijun, WANG Xiaobing, ZHANG Bo, et al. Numerical simulation of primary air measurement at the inlet of coal mill[J]. Thermal Power Generation, 2012, 41(12):48-50.
[16] 张广才,高学伟. 中速磨煤机入口一次风量数值模拟[J]. 沈阳工程学院学报(自然科学版),2011,7(2):127-130. ZHANG Guangcai, GAO Xuewei. Numerical simulation of primary air flow in medium speed mill inlet[J]. Journal of Shenyang Institute of Engineering(Natural Science), 2011,7(2):127-130.
[17] 梅振锋,陈敏,徐妙锋,等. 中速磨煤机前圆形一次风道流场模拟及优化设计[J]. 热力发电,2016,45(11):99-105. MEI Zhenfeng, CHEN Min, XU Miaofeng, et al. Flow field in the upstream circular primary air duct of medium speed mills: numerical simulation and optimization design[J]. Thermal Power Generation, 2016, 45(11):99-105.
[18] 王周君,黎星华,唐立军,等. 磨煤机入口一次风混流及均流装置的设计[J]. 电力科学与工程,2019,35(4):69-73. WHANG Zhoujun, LI Xinghua, TANG Lijun, et al. Design of primary air flow mixing and equalizing device for coal mill inlet[J]. Electric Power Science and Engineering, 2019, 35(4):69-73.
[19] 徐亚峰,彭小敏,胡亮,等. 1000 MW级燃煤机组磨煤机入口圆形一次风道冷热风均流改造技术[J]. 热能动力工程,2019,34(3):103-108. XU Yafeng, PENG Xiaomin, HU Liang, et al. Transformation technology for the uniform flow of cold and hot primary air in round ducts of pulverizer in 1000 MW coal-fired power plant[J]. Journal of Engineering for Thermal Energy and Power, 2019, 34(3):103-108.
[20] 刘泽勤,苏云,郭宪民. 风机盘管来流场均匀化数值模拟[J]. 流体机械,2013,41(4):54-57. LIU Zeqin, SU Yun, GUO Xianmin. Numerical simulation of uniformization of the head-on flow field of the fan coil unit[J]. Fluid Machinery, 2013, 41(4):54-57.
[21] 彭小敏,胡亮,徐亚峰,等. 大型燃煤电厂中速磨煤机入口圆形一次风道均流技术研究[J]. 中国科技论文,2017,12(11):1309-1314. PENG Xiaomin, HU Liang, XU Yafeng, et al. Study on flow sharing technique of circular primary air duct at inlet of medium speed coal pulverizer in large coal-fired power plant[J]. China Sciencepaper, 2017, 12(11):1309-1314.
[22] SHIH T H, LIOU W W, SHABBIR A, et al. A new eddy viscosity model for high reynolds number turbulent flows: model development and validation[J]. Computers Fluids, 1995, 24(3): 227-238.
[23] 李勇. T型管内冷热流体搅混过程实验研究[D].济南:山东大学, 2020. LI Yong. Experimental study on thermal mixing characteristics of cold and hot flows in the T-junction[D]. Jinan: Shandong University, 2020.
[24] 李坦,靳世平,黄素逸,等. 流场速度分布均匀性评价指标比较与应用研究[J]. 热力发电,2013,42(11):60-63. LI Tan, JIN Shiping, HUANG Suyi, et al. Evaluation indices of flow velocity distribution uniformity: comparison and application[J]. Thermal Power Generation, 2013, 42(11):60-63.
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