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Study on dynamic bed temperature model of biomass circulating fluidized bed boiler
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Mingming GAO1, Botong LIU1, Kaiping ZHANG1, Yake WANG2, Guangxi YUE3
Thermal Power Generation | 2023, 52(4) : 72 - 81
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Thermal Power Generation | 2023, 52(4): 72-81
• Thermal energy and science research •
Study on dynamic bed temperature model of biomass circulating fluidized bed boiler
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Mingming GAO1, Botong LIU1, Kaiping ZHANG1, Yake WANG2, Guangxi YUE3
Affiliations
  • 1.State Key Laboratory of New Energy Power System (North China Electric Power University), Beijing 102206, China
  • 2.Huaneng New Energy Corporation Ltd., Beijing 100036, China
  • 3.Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China
Published: 2023-04-25 doi: 10.19666/j.rlfd.202212138
Outline
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In order to clarify the dynamic characteristics of bed temperature of biomass circulating fluidized bed (CFB) boiler, so as to establish a CFB combustion control system which is more suitable for biomass, a dynamic bed temperature model is established by analyzing the biomass combustion process and combustion mechanism. On the basis of the theory of instant burning carbon combustion, the correlation degree of temperature field in the furnace is calculated and analyzed. The results show that, the calculated bed temperature can be controlled basically stable near the filtering value of the actual bed temperature, and the variation trend of the bed temperature is similar to that of the actual filter bed temperature, which verifies the adaptability and effectiveness of the model. The temperature correlation difference of the upper and lower parts of the biomass CFB boiler is related to the oxygen content and the temperature of the furnace. The temperature difference of the left and right sides is greatly affected by the flue gas flow. In the upper part of the furnace, the material concentration and the uneven heating surface arrangement are also important reasons affecting the temperature characteristics.

biomass  /  circulating fluidized bed  /  furnace temperature  /  soft measurement of bed temperature  /  grey correlation analysis
Mingming GAO, Botong LIU, Kaiping ZHANG, Yake WANG, Guangxi YUE. Study on dynamic bed temperature model of biomass circulating fluidized bed boiler[J]. Thermal Power Generation, 2023 , 52 (4) : 72 -81 . DOI: 10.19666/j.rlfd.202212138
Funding
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  • Basic Energy Science and Technology Research Fund of Science and Technology Project of China Huaneng Group Co., Ltd.(HNKJ21-H31)
  • Shanxi Provincial Unveiling Bidding Project(20191101013)
  • Key Research and Development Program of CHD(CHDKJ19-01-88)
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Year 2023 volume 52 Issue 4
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Article Info
doi: 10.19666/j.rlfd.202212138
  • Online Date：2026-01-23
  • Published：2023-04-25
Article Data
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History
  • Revised：2022-12-12
Funding
Basic Energy Science and Technology Research Fund of Science and Technology Project of China Huaneng Group Co., Ltd.(HNKJ21-H31)
Shanxi Provincial Unveiling Bidding Project(20191101013)
Key Research and Development Program of CHD(CHDKJ19-01-88)
Affiliations
    1.State Key Laboratory of New Energy Power System (North China Electric Power University), Beijing 102206, China
    2.Huaneng New Energy Corporation Ltd., Beijing 100036, China
    3.Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202212138
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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