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山东大学学报 (工学版) ›› 2022, Vol. 52 ›› Issue (3): 100-108.doi: 10.6040/j.issn.1672-3961.0.2021.560

• • 上一篇    

用于燃煤电厂的低温省煤器前烟道流动及磨损特性

刘舫辰1,石岩1,李元鲁1,王湛1,杜文静1,季万祥2*   

  1. 1.山东大学能源与动力工程学院, 山东 济南 250061;2.山东大学热科学与工程研究中心, 山东 济南 250061
  • 发布日期:2022-06-23
  • 作者简介:刘舫辰(1998— ),男,山东荣成人,硕士研究生,主要研究方向为传热强化. E-mail:1023186559@qq.com. *通信作者简介:季万祥(1965— ),男,山东济南人,实验师,主要研究方向为电力系统设备及节能. E-mail:jwx@sdu.edu.cn
  • 基金资助:
    山东省重点研发计划资助项目(2019JZZY010454)

Flow and wear characteristics in front flue of low-temperature economizer used in coal-fired power plant

LIU Fangchen1, SHI Yan1, LI Yuanlu1, WANG Zhan1, DU Wenjing1, JI Wanxiang2*   

  1. 1. School of Energy and Power Engineering, Shandong University, Jinan 250061, Shandong, China;
    2. Institute of Thermal Science &
    Technology, Shandong University, Jinan 250061, Shandong, China
  • Published:2022-06-23

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摘要： 以低温省煤器及其管道为研究对象,采用数值模拟方法,对低温省煤器及其管道流动及磨损特性进行分析,采用添加导流板的方式对流场进行优化以降低磨损量。低温省煤器前方圆节的布置导致流场紊乱,低温省煤器入口截面速度分布均匀性较差,管束磨损区域与高速区相对应,冲蚀磨损主要集中在中心区域,第一排管束迎风区磨损量最大,后排管束磨损量依次降低;对方圆节内置导流板进行优化后,低温省煤器前流场速度标准偏差由34.9降低至15.2,均匀性提高,管束的最大冲蚀磨损量降低两个数量级,磨损程度大幅度降低,保障了低温省煤器的安全经济运行,为低温省煤器及其管道的优化设计及运行提供了理论参考与数据支持。

关键词: 磨损, 流动, 数值模拟, 低温省煤器, 管束

中图分类号: 

  • TH117.1
[1] FINNIE I. Erosion of surfaces by solid particles[J]. Wear, 1960, 3(2):87-103.
[2] FINNIE I. Some observations on the erosion of ductile metals[J]. Wear, 1972, 19(1):81-90.
[3] BAUVER W, BIANCA J, FISHBURN J, et al. Characterization of erosion of heat transfer tubes in coal fired power plants[J]. American Society of Mechanical Engineers, 1984, 84(3): 840-905.
[4] OKA Y I, OKAMURA K, YSOHIDA T. Practical estimation of erosion damage caused by solid particle impact[J]. Wear, 2005, 259(1):95-101.
[5] OKA Y I,OKAMURA K, YOSHIDA T. Practical estimation of erosion damage caused by solid particle impact: Part 2: mechanical properties of materials directly associated with erosion damage[J]. Wear, 2005, 259(1):102-109.
[6] PARSIM, NAJMI K, NAJAFIFARD F, et al. A comprehensive review of solid particle erosion modeling for oil and gas wells and pipelines applications[J]. Journal of Natural Gas Science & Engineering, 2014, 21:850-873.
[7] RAASK E. Tube erosion by ash impaction[J]. Wear, 1969, 13(4):301-315.
[8] LEE B E, FLETCHER C, BEHNIA M. Computational study of solid particle erosion for a single tube in cross flow[J]. Wear, 2000, 240(1,2):95-99.
[9] LEE B E, TU J Y, FLERCHER C. On numerical modeling of particle-wall impaction in relation to erosion prediction: Eulerian versus Lagrangian method[J]. Wear, 2002, 252(3,4):179-188.
[10] FAN J, ZHOU D, JIN J, et al. Numerical simulation of tube erosion by particle impaction[J]. Wear, 1991, 142(1):171-184.
[11] 袁宝强. 基于气固两相流的受热面磨损与沉积特性研究[D]. 济南: 山东大学, 2018. YUAN Baoqiang. Study on wear and deposition characteristics of heating surface based on gas-solid two-phase flow[D]. Jinan: Shandong University, 2018.
[12] JIN T, LUO K, WU F, et al. Numerical investigation of erosion on a staggered tube bank by particle laden flows with immersed boundary method[J]. Applied Thermal Engineering, 2014, 62(2):444-454.
[13] WANG Z L, FAN J R. Numerical study of solid particle erosion on the tubes near the side walls in a duct with flow past an aligned tube bank[J]. Aiche Journal, 2010, 56(1):66-78.
[14] 解其林,陈昊,郭万军.电厂换热管束冲蚀磨损数值模拟分析[J].机电工程技术,2021,50(8):188-191. XIE Qilin, CHEN Hao, GUO Wanjun. Numerical simulation analysis of erosion wear of heat exchange tube bundle in power plant[J]. Mechanical and Electrical Engineering Technology, 2021, 50(8):188-191.
[15] 阎维平, 马凯, 高正阳, 等. 增压富氧燃煤锅炉省煤器管束磨损研究[J].西安交通大学学报, 2013, 47(3):53-59. YAN Weiping, MA Kai, GAO Zhengyang, et al. Study on tube bundle wear of economizer in pressurized oxygen-rich coal-fired boiler[J]. Journal of Xi'an Jiaotong University, 2013, 47(3):53-59.
[16] 黄凯. 燃煤电厂烟气冷却器冲蚀磨损与中间媒介型烟气换热器优化研究[D].杭州:浙江大学,2020. HUANG Kai. Study on erosion wear of flue gas cooler and optimization of Intermediate medium flue gas heat exchanger in coal-fired power plant[D]. Hangzhou: Zhejiang University, 2020.
[17] JIN Y, TANG G H, HE Y L, et al. Numerical study of the solid particle erosion on H-type finned circular/elliptic tube surface[J]. Communications in Computa-tional Physics, 2017, 21(2):466-489.
[18] 王皓轩. 新型省煤器管束磨损与积灰特性的数值研究[D].北京:华北电力大学,2018. WANG Haoxuan. Numerical study on wear and Ash accumulation characteristics of tube bundle of new economizer[D]. Beijing: North China Electric Power University, 2018.
[19] MORSI S A, ALEXANDER A J. An investigation of particle trajectories in two-phase flow systems[J]. Journal of Fluid Mechanics, 1972, 55(2): 193-208.
[20] FAN J, ZHOU D, JIN J, et al. Numerical simulation of tube erosion by particle impaction[J]. Wear, 1991, 142(1):171-184.
[21] DAVIS D O, GESSNER F B. Experimental investigation of turbulent flow through a circular-to-rectangular transition duct[J]. American Institute of Aeronautics and Astronautics Journal, 1992, 30(2): 367-375.
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