EN高温气冷堆蒸汽发生器节流孔腐蚀产物沉积规律实验研究
Experimental study on deposition law of corrosion products in throttle orifice of steam generator in high temperature gas cooled reactor
- 热力发电 2025年第11期 页码：91-97
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- 基金信息：中国华能集团有限公司总部科技项目（HNKJ22-H09）~~
DOI：10.19666/j.rlfd.202502037
中图分类号：-
纸质出版：2025
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王威, 张贵泉, 吴志军, 等. 高温气冷堆蒸汽发生器节流孔腐蚀产物沉积规律实验研究[J]. 热力发电, 2025,(11):91-97.
王威, 张贵泉, 吴志军, et al. Experimental study on deposition law of corrosion products in throttle orifice of steam generator in high temperature gas cooled reactor[J]. Thermal Power Generation, 2025, (11): 91-97.
王威, 张贵泉, 吴志军, 等. 高温气冷堆蒸汽发生器节流孔腐蚀产物沉积规律实验研究[J]. 热力发电, 2025,(11):91-97. DOI： 10.19666/j.rlfd.202502037.
王威, 张贵泉, 吴志军, et al. Experimental study on deposition law of corrosion products in throttle orifice of steam generator in high temperature gas cooled reactor[J]. Thermal Power Generation, 2025, (11): 91-97. DOI： 10.19666/j.rlfd.202502037.
摘要
介绍了高温气冷堆示范工程中直流蒸汽发生器和节流组件的结构特点，分析了沉积物堵塞节流孔的原因和影响因素，并通过高温高压动态循环实验装置模拟研究了高温气冷堆蒸汽发生器节流孔处腐蚀产物的沉积规律，包括不同铁源、铁质量分数、流速和pH值对节流孔沉积的影响。结果表明：游离态铁是节流孔沉积物的主要前驱体；节流孔沉积现象随水质中铁质量分数增加而加剧；节流孔沉积速率随局部流速的增加先升高后降低，存在最大沉积流速区间；水质pH值由9.1升至9.7过程中，节流孔沉积现象加剧。研究发现，适当降低给水pH值和优化节流孔结构尺寸（调整流速）是抑制蒸汽发生器节流组件沉积堵塞的有效方法。
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邵天佑,闻国华.直流锅炉水冷壁节流孔板磁性氧化铁沉积探讨[J].华电技术, 2009, 31(6):45-47.SHAO Tianyou, WEN Guohua. Investigation on magnetic oxide iron deposition of throttle orifice plate in oncethrough boiler waterwall[J]. Huadian Technology, 2009,31(6):45-47.
邵天佑.超超临界机组锅炉水冷壁节流孔板结垢的处理[J].热力发电, 2010, 39(3):75-77.SHAO Tianyou. Scaling on throttle plate of the water-wall in boiler for ultra-supercritical unit and disposal thereof[J]. Thermal Power Generation, 2010, 39(3):75-77.
刘玉海.超超临界机组直流锅炉水冷壁节流孔圈结垢堵塞超温防范对策[J].广东电力, 2012, 25(7):110-113.LIU Yuhai. Countermeasures against superheat due to fouling blocked throttling orifice of water wall of concurrent boiler in ultra supercritical units[J].Guangdong Electric Power, 2012, 25(7):110-113.
张丽霞,冯朝晖.超超临界锅炉管道事故及原因分析[J].武汉大学学报, 2011, 44(2):261-265.ZHANG Lixia, FENG Chaohui. Pipeline materials selection and cause analysis of accidents in pipeline for ultra supercritical boiler[J]. Engineering Journal of Wuhan University, 2011, 44(2):261-265.
HENSHAW J, MCGURK J C, SIMS H E, et al. A model of chemistry and thermal hydraulics in PWR fuel crud deposits[J]. Journal of Nuclear Materials, 2006, 353:1-11.
CIONCOLINI A, SCENINI F, DUFF J. Micro-orifice single-phase liquid flow:pressure drop measurements and prediction[J]. Experimental Thermal&Fluid Science,2015, 65:33-40.
HOLDSWORTH S, SCENINI F, BURKE M G, et al. The effect of high-temperature water chemistry and dissolved zinc on the cobalt incorporation on type 316 stainless steel oxide[J]. Corrosion Science, 2018, 140:241-251.
YANG G, POINTEAU V, TEVISSEN E, et al. A review on clogging of recirculating steam generators in pressurized-water reactors[J]. Progress in Nuclear Energy,2017, 97:182-196.
J MCGRADY, F SCENINI, J DUFF, et al. Investigation into the effect of water chemistry on corrosion product formation in areas of accelerated flow[J]. Journal of Nuclear Materials, 2017, 493:271-279.
MCGRADY J, DUFF J, STEVENS N, et al. Development of a microfluidic setup to study the corrosion product deposition in accelerated flow regions[J]. Nature Partner Journals, 2017, 21:1-9.
MAX S, STEFANO C, ANDREA C, et al. CRUD removal via hydrodynamic cavitation in micro-orifices[J]. Nuclear Engineering and Design, 2019, 343:210-217.
CASSINERI S, DUFF J, CURIONI M, et al. Scenini,CRUD deposition in accelerated high-temperature water:investigation on the effect of substrate material and water chemistry[J]. Journal of Nuclear Materials, 2020, 529:151915-151926.
CASSINERI J, DUFF M, CURIONI A, et al. The influence of metal substrate on CRUD build-up under simulated PWR conditions[C]. International Conference on Environmental Degradation of Materials in Nuclear Power Systems-Water Reactors. Boston USA, 2019.
ANDREA C, FABIO S, JONATHAN D, et al. Choked cavitation in micro-orifices an experimental study[J].Experimental Thermal and Fluid Science, 2016, 74:49-57.
沈琦,刘鸿国,杨菁.超超临界垂直管圈直流炉水冷壁节流孔圈垢物聚结原因分析及预防[J].华东电力,2009, 37(5):877-879.SHEN Qi, LIU Hongguo, YANG Jing. Analysis and prevention of sulfate scale on throttle orifices for water walls of USC vertical tube coil once-through boilers[J].East China Electric Power, 2009, 37(5):877-879.
MAX S, ANDREA C, FABIO S, et al. Effect of thickness to diameter ratio on micro-orifice single-phase liquid flow at low Reynolds number[J]. Experimental Thermal and Fluid Science, 2018, 97:218-222.
张鑫,李鑫钢,姜斌.四氧化三铁纳米粒子合成及表征[J].化学工业与工程, 2006, 23(1):45-48.ZHANG Xin, LI Xingang, JIANG Bin. Preparation and characterization of nanometer magnetite[J]. Chemical Industry and Engineering, 2006, 23(1):45-48.
STEFANO C, JONATHAN D, ANDREA C, et al.Deposition of corrosion products under pressurised water nuclear reactor conditions:the effect of flow velocity and dissolved hydrogen[J]. Corrosion Science, 2019, 159:108113-108122.
EPSTEIN N. Elements of particle deposition onto nonporous solid surfaces parallel to suspension flows[J].Experimental Thermal and Fluid Science, 1997, 14:323-334.
GUILLODO M, GUINGO M, FOUCAULT M, et al.Experimental and numerical study of deposit formation in secondary side SG and TSP by electro kinetic approach[C]. Nuclear Plant Chemistry Conference, 2012.
BRUN C, ENGLER N, BERTHOLLON G, et al.Investigation on the relation between pressure drops and fluid chemical treatment[C]. International conference of Water Chemistry of Nuclear Reactor Systems, 2002.
CASSINERI S, CIONCOLINI A, CURIONI M, et al.Understanding the effect of Li and flow velocity on corrosion deposition at 230℃hydrogenated water[J].Corrosion Science, 2020, 168:108588-108598.
STEFANO C, MICHELE C, ANDREW B, et al.Exploring the effect of cathodic polarization to mitigate CRUD deposition[J]. Nuclear Engineering and Design,2020, 366:110764-110770.
FABIO S, GAETANO P, NICHOLAS S, et al.Investigation of the role of electro kinetic effects in corrosion deposit formation[J]. Corrosion Science, 2014,87:71-79.
ANDREA C, STEFANO C, JONATHAN D, et al. Microorifice single-phase flow at very high Reynolds number[J]. Experimental Thermal and Fluid Science,2018, 91:35-40.
VIDOJKOVIC S M, RAKIN M P. Surface properties of magnetite in high temperature aqueous electrolyte solutions:a review[J]. Advances in Colloid and Interface Science, 2017, 245:108-129.
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