1 000 MW超超临界二次再热燃煤发电技术

doi:10.11930/j.issn.1004-9649.2017.06.006.06

中国电力 ›› 2017, Vol. 50 ›› Issue (6): 6-11.DOI: 10.11930/j.issn.1004-9649.2017.06.006.06

• 二次再热燃煤发电技术专栏 • 上一篇下一篇

1 000 MW超超临界二次再热燃煤发电技术

高嵩¹, 赵洁², 黄迪南³

1. 中国国电集团公司,北京 100034；
2. 中国能源建设集团有限公司,北京 100022；
3. 上海电气集团股份有限公司,上海 200233

收稿日期:2017-03-20 出版日期:2017-06-20 发布日期:2017-07-12
作者简介:高嵩（1961-）,男,浙江浦江人,高级工程师（教授级）,从事热能动力工程研究。E-mail: gaosong@cgdc.com.cn
基金资助:
国家科技支撑计划项目（2012BAA12B00）

Double-Reheat Coal-Fired Power Generation Technologies for 1 000-MW Ultra-Supercritical Units

GAO Song¹, ZHAO Jie², HUANG Dinan³

1. China Guodian Corporation, Beijing 100034, China;
2. China Energy Engineering Group Co., Ltd., Beijing 100022, China;
3. Shanghai Electric Group Company Limited, Shanghai 200233, China

Received:2017-03-20 Online:2017-06-20 Published:2017-07-12
Supported by:
; This work is supported by the National Key Technology Support Program (No. 2012BAA12B00).

摘要/Abstract

摘要： 为节约一次能源、加强环境保护、减少温室气体排放和提高机组的经济性,自主研发、自主设计、自主制造和自主建设了国电泰州电厂二期1 000 MW超超临界二次再热燃煤发电示范工程,介绍了机组总体技术方案,包括机组主机参数选择、锅炉与汽轮机研发,系统优化与节能减排集成,自动控制系统研究。机组投产后发电效率分别高达47.81%、47.95%,机组供电煤耗分别达到266.57 g/（kW·h）、265.75 g/（kW·h）,烟尘、SO₂、NO_x排放浓度在标准状态下分别低于5 mg/m³、35 mg/m³、50 mg/m³,达到并优于超低排放要求。示范工程的成功投产和稳定运行为中国开发更高参数、更高效率、更为清洁的燃煤发电技术奠定了基础,为建设同类机组积累了宝贵的经验,大幅提高了中国燃煤发电技术的国际竞争力。

关键词: 燃煤发电, 1 000 MW, 超超临界机组, 二次再热循环, 示范工程

Abstract: To save primary energy, enhance environmental protection, reduce greenhouse gas emissions and improve the economic performance of power generation units, the Units 3 and 4 of Guodian Taizhou Power Plant Phase Ⅱ Project are independently developed, designed, manufactured and constructed as the demonstrative project of 1 000-MW ultra-supercritical coal-fired power generation technologies with double reheat cycles. This paper presents the general technical plans from the aspects of main parameter selection, boiler and steam turbine development, thermal system optimization, environmental protection technique integration and automatic control system development. The operation of the two units shows that the efficiency of the units have reached as high as 47.81% and 47.95% with the net coal consumption of 266.57 g/(kW·h) and 265.75 g/(kW·h) respectively. At the same time, the dust, SO₂ and NO_x emission concentrations have been reduced lower than 5 mg/m³, 35 mg/m³ and 50 mg/m³ under the standard state, meeting and being better than the requirements of ultra-low emission. The successful commission and stable operation of the demonstrative project has laid solid foundation for the future development of clean coal-fired power generation technologies with higher parameters and better efficiency, accumulated valuable experience for the construction of the units of the same type and improved the competitiveness of China’s coal-fired power generation technologies in the international market.

Key words: coal-fired power generation, 1 000 MW, ultra-supercritical unit, double reheat cycle, demonstrative project

中图分类号:

TM621

高嵩, 赵洁, 黄迪南. 1 000 MW超超临界二次再热燃煤发电技术[J]. 中国电力, 2017, 50(6): 6-11.

GAO Song, ZHAO Jie, HUANG Dinan. Double-Reheat Coal-Fired Power Generation Technologies for 1 000-MW Ultra-Supercritical Units[J]. Electric Power, 2017, 50(6): 6-11.

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1 000 MW超超临界二次再热燃煤发电技术

Double-Reheat Coal-Fired Power Generation Technologies for 1 000-MW Ultra-Supercritical Units

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