CFB锅炉温度场及氧量场测试与数值模拟

doi:10.11930/j.issn.1004-9649.2013.9.6.0

中国电力 ›› 2013, Vol. 46 ›› Issue (9): 6-6.DOI: 10.11930/j.issn.1004-9649.2013.9.6.0

CFB锅炉温度场及氧量场测试与数值模拟

黄中^{1, 2}, 孙献斌^{1, 2}, 江建忠^{1, 2}, 时正海^{1, 2}, 肖平^{1, 2}

1. 中国华能集团清洁能源技术研究院有限公司,北京 100098; 2. 国家能源煤炭清洁低碳发电技术研发（实验）中心,北京 100098

收稿日期:2013-05-14 出版日期:2013-09-23 发布日期:2015-12-10
作者简介:黄中（1983—）,男,陕西西安人,博士研究生,高级工程师,从事循环流化床锅炉技术、低质煤清洁发电技术研究。
基金资助:
“十二五”国家科技支撑计划项目（2012BAA02B02）; 中国华能集团公司科学技术项目（HNKJ10-23）

Testing and Numerical Simulation of Temperature Field and Oxygen Field for CFB Boilers

HUANG Zhong^{1, 2}, SUN Xian-bin^{1, 2}, JIANG Jian-zhong^{1, 2}, SHI Zheng-hai^{1, 2}, XIAO Ping^{1, 2}

1. Huaneng Clean Energy Research Institute, Beijing 100098, China; 2. National Energy R&D Center of Coal Clean and Low-Carbon Power Generation, Beijing 100098, China

Received:2013-05-14 Online:2013-09-23 Published:2015-12-10

摘要/Abstract

摘要： 对某循环流化床锅炉炉内温度场及氧量场进行了测试研究,利用数值模拟软件对锅炉的燃烧过程进行了模拟。结果显示,炉膛温度沿炉膛高度分布较为均匀,锅炉设计时稀相区的温度可采用一个固定值代替,距离壁面1 m以上距离的温度变化很小且趋于恒定,锅炉设计时可以用炉膛中心温度作为设计温度;氧气浓度分布规律沿炉膛宽度方向呈近似“M”型分布,炉膛中心和壁面氧浓度低。软件模拟结果与测试结果也基本吻合。研究结果可为掌握循环流化床锅炉温度场及氧量场的基本规律、提高锅炉燃烧效率提供帮助,同时也可为大型循环流化床锅炉的设计和理论研究提供参考。

关键词: 循环流化床锅炉, 温度场, 氧量场, 测试试验, 数值模拟

Abstract: The test on furnace temperature field and oxygen field of one CFB boiler is conducted and the combustion process of the boiler is simulated by numerical simulation software. The results demonstrate that the temperature distribution along the furnace height is relatively uniform, therefore, the temperature in the dilute region can be represented with a fixed value during boiler design. In addition, the temperature 1 meter away from the furnace wall varies slightly and tends to be constant, so that, the temperature in the furnace center can be used as the reference temperature during boiler design. The oxygen concentration is lower in the center and at the wall surface and shows a M-shape distribution approximately along the furnace width. The numerical simulation results are consistent with the test data. The study is helpful to understand the CFB boiler temperature field and oxygen field distributionand improve the combustion efficiency. The research results can provide a reference for large CFB boiler design and theoretical studies.

Key words: circulating fluidized bed boiler, temperature field, oxygen field, testing, numerical simulation

中图分类号:

TK223

黄中, 孙献斌, 江建忠, 时正海, 肖平. CFB锅炉温度场及氧量场测试与数值模拟[J]. 中国电力, 2013, 46(9): 6-6.

HUANG Zhong, SUN Xian-bin, JIANG Jian-zhong, SHI Zheng-hai, XIAO Ping. Testing and Numerical Simulation of Temperature Field and Oxygen Field for CFB Boilers[J]. Electric Power, 2013, 46(9): 6-6.

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https://www.electricpower.com.cn/CN/Y2013/V46/I9/6

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CFB锅炉温度场及氧量场测试与数值模拟

Testing and Numerical Simulation of Temperature Field and Oxygen Field for CFB Boilers

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CFB锅炉温度场及氧量场测试与数值模拟

Testing and Numerical Simulation of Temperature Field and Oxygen Field for CFB Boilers

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