1 000 MW二次再热超超临界机组工程特点及运行分析
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Engineering characteristics and service economic analysis of 1 000 MW ultra-supercritical unit with double-reheat cycle
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    摘要:

    泰州电厂二期2×1 000 MW机组是我国 “十二·五”节能减排科技支撑示范项目,也是世界首台应用超临界二次再热发电技术的机组,分别于2015年9月和2016年1月投入运行。从二次再热发电技术出发,系统分析了泰州二期工程机组中锅炉钢架结构、受热面管排布置、锅炉调温以及十级抽汽回热系统等优势技术,从机组运行可靠性、环保排放指标以及经济性3个方面分析了机组3 a来的运行情况以及与国内、外同行业相关机组指标对比。结果表明泰州电厂二期2台超超临界二次再热机组运行稳定、环保排放指标优良、经济效益指标良好。

    Abstract:

    The 2×1 000 MW unit of Taizhou Phase II Power Plant is a demonstration project of energy saving and emission reduction technology in China during the 12th Five-Year Plan. It is also the first unit in the world applying supercritical secondary reheat power generation technology which was put into commercial operation in September 2015 and January 2016, respectively. Starting from the secondary reheat power generation technology, this paper systematically analyses the advantages of the boiler steel frame structure, heating surface tube arrangement, boiler temperature regulation and ten-stage extraction system in the unit of Taizhou Phase Ⅱ Project. It also analyses the operation of the unit in the past three years from three aspects of unit operation reliability, environmental emission index and economy, as well as the related units in domestic and foreign industries are compared. The results show that two Ultra Supercritical Secondary Reheating Units in the second phase of Taizhou Power Plant are stable in operation, excellent in environmental protection emission index and good in economic benefit index. Ultra supercritical secondary reheating power generation technology has been successfully realized in China.

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张苏闽.1 000 MW二次再热超超临界机组工程特点及运行分析[J].电力工程技术,2019,38(2):159-162,168

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历史
  • 收稿日期:2018-09-21
  • 最后修改日期:2018-10-29
  • 录用日期:2019-02-22
  • 在线发布日期: 2019-03-28
  • 出版日期: 2019-03-28