HAO Bing;XU Yan;LI Yuheng;ZHANG Dongxu;LIU Jiali;TU Jingyi;FANG Shunli;

• 1:Huaneng Xinjiang Luntai Thermoelectric Branch
• 2:Guodian Taizhou Power Generation Co.
• 3:Ltd.
• 4:Xining Power Generation Company

Abstract：

The capacity of supercritical units that have already in operation in high altitude area are mostly 100-300 MW currently,and there exist many problems,such as low combustion efficiency and high subsidiary power consumption and serious equipment abrasion,thus they can't represent the most advanced design and operation level of boiler units in these area.In order to accurately grasp the design characteristics of high-capacity and high-parameter boiler equipment in these area and clarify the impact of main operating parameters on the economics of boiler operation,the heat load parameters of furnace and the design characteristics of the burner of the first 660 MW ultra supercritical unit boiler that has been put into operation in high altitude area in China was analyzed in this paper.The combustion optimization adjustment test and operation performance analysis were carried out,and the influence of key operation parameters on boiler combustion economy was obtained.The results show that the unit in high altitude area can achieve the same excellent combustion performance as the unit in plain area after the optimization of furnace heat load parameter and key operation parameters.The boiler efficiency will reach over 94% when the unit is full loaded,and the minimum oil-free stable load can reach 23%,which is comparable to that of the unit in plain area.

Key Words： high altitude;660 MW ultra supercritical unit;operation performance

Abstract:

Keywords:

Foundation: 山西省科技重大专项资助项目(MD2015-03)

Authors: HAO Bing;XU Yan;LI Yuheng;ZHANG Dongxu;LIU Jiali;TU Jingyi;FANG Shunli;

DOI: 10.13226/j.issn.1006-6772.18011801

References：

• [1]吴仲贤.燃煤火力发电机组在高海拔地区运行经济性探讨[J].青海电力,2001,20(1):18-22.WU Zhongxian.On economy of coal-fired generating unit in high altitude area[J].Qinghai Electric Power,2001,20(1):18-22.
• [2]刘峰.高原低压煤粉燃烧特性的热重实验研究[D].武汉:华中科技大学,2009:23-24.
• [3]袁颖,姚伟,相大光,等.高原对煤粉燃烧炉膛的影响[J].热力发电,2000,29(4):16-20.YUAN Ying,YAO Wei,XIANG Daguang,et al.Effects of high altitude on pulverized coal boiler furnace[J].Thermal Power Generation,2000,29(4):16-20.
• [4]刘立军,张喜来,刘家利.高原对煤粉燃烧特性的影响研究[J].洁净煤技术,2016,22(5):21-24.LIU Lijun,ZHANG Xilai,LIU Jiali.Effect of high altitude on combustion characteristics of pulverized coal[J].Clean Coal Technology,2016,22(5):21-24.
• [5]黄海川.桥头铝电420 t/h锅炉性能试验研究[J].青海电力,2005,24(1):13-16.HUANG Haichuan.420 t/h boiler performance test's research of Qiaotou Aluminium&Electric Power Co.,Ltd.[J].Qinghai Electric Power,2005,24(1):13-16.
• [6]黄海川,许继生,王吉平,等.桥头4号锅炉排烟温度偏高故障分析及处理[J].青海电力,2001,20(3):18-21.HUANG Haichuan,XU Jisheng,WANG Jiping,et al.Accident analysis and treatment of No.4 boiler exit-smoke's temperature which is on the high side in theⅥphase of Qiaotou Thermal Power Plant[J].Qinghai Electric Power,2001,20(3):18-21.
• [7]李东鹏,刘利军,方顺利,等.高海拔地区烟煤锅炉设计与运行状况分析[J].工业加热,2016,45(3):38-41.LI Dongpeng,LIU Lijun,FANG Shunli,et al.Design and operating characteristics of bituminous coal boiler at high altitudes areas[J].Industrial Heaing,2016,45(3):38-41.
• [8]刘建华,王刚.海拔高度对锅炉煤粉燃烧及排烟温度的影响[J].国际电力,2005,9(3):26-28.LIU Jianhua,WANG Gang.Orthometric elevation will affect the boiler combustion and flue gas temperature[J].International Electric Power for China,2005,9(3):26-28.
• [9]杨昆民,赵明,吴江.高海拔地区电站锅炉燃用高水分褐煤机理的研究[J].云南电力技术,2001(2):1-4.YANG Kunming,ZHAO Ming,WU Jiang.Study on mechanism of boiler which combust high moisture lignite coal-in high altitude area[J].Yunnan Electric Power Technology,2001(2):1-4.
• [10]国家能源局.大容量煤粉燃烧锅炉炉膛选型导则:DL/T 831—2015[S].北京:中国电力出版社,2016.
• [11]张洪岩,刘瑞风.高海拔地区对锅炉设计的影响[J].锅炉制造,2011(3):28-29.ZHANG Hongyan,LIU Ruifeng.Effect of high altitude on the design of the boiler[J].Boiler Manufacturing,2011(3):28-29.
• [12]黄必重,郝宝乾.哈锅高原、高灰分烟煤660 MW超临界锅炉的设计[J].锅炉制造,2011(3):6-10.HUANG Bizhong,HAO Baoqian.HBC's Design of the 660 MW supercritical high-ash-bituminous fired boiler with high elevation[J].Boiler Manufacturing,2011(3):6-10.
• [13]李东鹏,刘利军,刘家利,等.高海拔地区660 MW机组锅炉热负荷参数选取[J].热力发电,2016,45(4):111-115.LI Dongpeng,LIU Lijun,LIU Jiali,et al.Selection of heat load paremeter for 660 MW unit bolier in high-altitude areas[J].Thermal Power Generation,2016,45(4):111-115.
• [14]刘荣礼.高海拔地区锅炉经济运行方式的优化调整[J].青海电力,2007,26(4):51-52.LIU Rongli.Optimization and adjustment of boiler economic operation mode on high altitude areas[J].Qinghai Electric Power,2007,26(4):51-52.
• [15]国家能源局.煤粉气流着火温度的测定方法:DL/T 1446—2015[S].北京:中国电力出版社,2016.
• [16]国家能源局.煤粉燃烧结渣特性和燃尽率一维火焰炉测试方法:DL/T 1106—2009[S].北京:中国电力出版社,2009.