核电蒸汽发生器二次侧反向清洗设备的开发与应用

doi:10.11930/j.issn.1004-9649.201905050

中国电力 ›› 2020, Vol. 53 ›› Issue (6): 166-171.DOI: 10.11930/j.issn.1004-9649.201905050

核电蒸汽发生器二次侧反向清洗设备的开发与应用

武伟让¹, 陶于春¹, 罗威², 余桐¹, 赵清森¹

1. 苏州热工研究院有限公司，江苏苏州 215004;
2. 福建宁德核电有限公司，福建宁德 352000

收稿日期:2019-05-10 修回日期:2020-03-05 发布日期:2020-06-05
作者简介:武伟让(1986-),男,硕士,高级工程师,从事核电厂蒸汽发生器水力清洗技术研究和设备开发工作,E-mail:wuweirang@cgnpc.com.cn

Development and Application of Reverse Lancing Equipment for the Secondary Side of Steam Generator in Nuclear Power Plants

WU Weirang¹, TAO Yuchun¹, LUO Wei², YU Tong¹, ZHAO Qingsen¹

1. Suzhou Nuclear Power Research Institute, Suzhou 215004, China;
2. Fujian Ningde Nuclear Power Co.,Ltd., Ningde 352000, China

Received:2019-05-10 Revised:2020-03-05 Published:2020-06-05

摘要/Abstract

摘要： 为更好地保障核电厂蒸汽发生器传热管使用安全，有必要增加蒸汽发生器二次侧高压清洗范围。结合蒸汽发生器二次侧的结构特征，基于减小成本和增加兼容性的原则，在常规管板清洗设备的基础上，对分流板和第1支撑板间清洗技术进行了研究；通过参数匹配、设备设计、校核计算等方法，开发了适用于分流板和第1支撑板间全区域清洗的反向清洗设备；该设备经模拟体充分调试后，已在核电厂顺利应用。结果表明：所开发的蒸汽发生器二次侧反向清洗技术和设备实现了该区域的全面清洗，清除泥渣量提升明显，且各项指标满足要求。

关键词: 核电厂, 蒸汽发生器, 高压清洗, 反向清洗, 清洗设备开发

Abstract: It is absolutely necessary to expand high pressure lancing area in order to ensure the operation safety of steam generator transfer heat tubes in nuclear power plants. Considering the structure at the secondary side of the steam generator, and in compliance with the guidelines of reducing cost and increasing the compatibility, the reverse lancing technology is studied on conventional tubesheet lancing equipment. And the equipment applicable for the entire area between flow distribution baffle and the first tube support plate was developed by way of parameter matching, device design, verification calculation, etc. After full simulation testing, the equipment has been put into service in the nuclear power plant successfully. It is shown that the above area can be cleaned entirely by taking advantage of the technology and equipment of the reverse lancing developed. Furthermore, the volume of the sludge removal increases significantly, with all result index meet the requirements.

Key words: NPP, steam generator, high pressure lancing, reverse lancing, lancing equipment development

武伟让, 陶于春, 罗威, 余桐, 赵清森. 核电蒸汽发生器二次侧反向清洗设备的开发与应用[J]. 中国电力, 2020, 53(6): 166-171.

WU Weirang, TAO Yuchun, LUO Wei, YU Tong, ZHAO Qingsen. Development and Application of Reverse Lancing Equipment for the Secondary Side of Steam Generator in Nuclear Power Plants[J]. Electric Power, 2020, 53(6): 166-171.

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核电蒸汽发生器二次侧反向清洗设备的开发与应用

Development and Application of Reverse Lancing Equipment for the Secondary Side of Steam Generator in Nuclear Power Plants

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Development and Application of Reverse Lancing Equipment for the Secondary Side of Steam Generator in Nuclear Power Plants

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