超临界循环流化床锅炉深度调峰技术难点及控制策略

doi:10.11930/j.issn.1004-9649.202011107

中国电力 ›› 2021, Vol. 54 ›› Issue (5): 206-212.DOI: 10.11930/j.issn.1004-9649.202011107

超临界循环流化床锅炉深度调峰技术难点及控制策略

王鹏程¹, 邓博宇², 蔡晋³, 王珂¹, 孔皓², 李丽锋¹, 张缦², 杨海瑞²

1. 山西河坡发电有限责任公司，山西阳泉 045000;
2. 清华大学能源与动力工程系(电力系统及发电设备控制和仿真国家重点实验室)，北京 100084;
3. 清华大学山西清洁能源研究院，山西太原 030032

收稿日期:2020-11-26 修回日期:2021-01-24 发布日期:2021-05-05
作者简介:王鹏程(1979-),男,高级工程师,从事循环流化床运行工作,E-mail:wpc010101@163.com;杨海瑞(1972-),男,博士,教授,从事循环流化床锅炉技术研究,E-mail:yhr@mail.tsinghua.edu.cn
基金资助:
国家重点研发计划资助项目(2019YFE0102100)，华能集团总部科技项目(HNKJ20-H50，KTHT-U20GJJS06)

Technical Difficulties and Related Control Strategies on In-Depth Peak Regulation for Supercritical Circulating Fluidized Bed Boiler

WANG Pengcheng¹, DENG Boyu², CAI Jin³, WANG Ke¹, KONG Hao², LI Lifeng¹, ZHANG Man², YANG Hairui²

1. Shanxi Hepo Power Plant Co., Ltd., Yangquan 045000, China;
2. State Key Laboratory of Power System and Generation Equipment, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China;
3. Shanxi Research Institute for Clean Energy, Tsinghua University, Taiyuan 030032, China

Received:2020-11-26 Revised:2021-01-24 Published:2021-05-05
Supported by:
This work is supported by the National Key Research and Development Program of China (No. 2019YFE0102100), the Huaneng Group Science and Technology Reaserch Project (No.HNKJ20-H50, KTHT-U20GJJS06)

摘要/Abstract

摘要： 为进一步提高超临界循环流化床（circulating fluidized bed，CFB）锅炉机组在深度调峰过程中运行的稳定性和经济性，以某电厂350 MW超临界CFB锅炉为例，在分析机组深度调峰过程中遇到的锅炉稳燃及流化、水动力安全、汽动给水泵控制和污染物控制等一系列问题的基础上，提出了相应的控制策略和技术措施。实际运行结果表明，采用该控制策略可实现深度调峰过程中锅炉的长周期良好运行。研究结果可为同类型超临界或者超超临界CFB锅炉机组深度调峰提供参考。

关键词: 超临界循环流化床, 深度调峰, 运行控制, 水动力安全, 配风优化, 污染物控制

Abstract: In order to further improve the stability and economy of the operation of supercritical circulating fluidized bed (CFB) boiler units in the process of deep peak regulation, this paper takes the 350 MW supercritical CFB boiler of a power plant as the research object and proposes the corresponding control strategies and technical measures based on the analysis of the series of problems in deep peak regulation, such as steady combustion and fluidization, hydrodynamic safety, steam feed pump control, emission control, and so on. The practical operation results show that by adopting these control strategies, long-term steady operation of the boiler can be achieved. The research results can provide helpful reference for the deep peak regulation of supercritical CFB boilers of the same type and even the ultra-supercritical CFB boilers.

Key words: supercritical CFB, deep peak regulation, operation control, hydrodynamic safety, air distribution optimization, emission control

王鹏程, 邓博宇, 蔡晋, 王珂, 孔皓, 李丽锋, 张缦, 杨海瑞. 超临界循环流化床锅炉深度调峰技术难点及控制策略[J]. 中国电力, 2021, 54(5): 206-212.

WANG Pengcheng, DENG Boyu, CAI Jin, WANG Ke, KONG Hao, LI Lifeng, ZHANG Man, YANG Hairui. Technical Difficulties and Related Control Strategies on In-Depth Peak Regulation for Supercritical Circulating Fluidized Bed Boiler[J]. Electric Power, 2021, 54(5): 206-212.

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链接本文: https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202011107

https://www.electricpower.com.cn/CN/Y2021/V54/I5/206

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超临界循环流化床锅炉深度调峰技术难点及控制策略

Technical Difficulties and Related Control Strategies on In-Depth Peak Regulation for Supercritical Circulating Fluidized Bed Boiler

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超临界循环流化床锅炉深度调峰技术难点及控制策略

Technical Difficulties and Related Control Strategies on In-Depth Peak Regulation for Supercritical Circulating Fluidized Bed Boiler

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