[1]房德山,冷伟,徐治皋,等.循环流化床锅炉传热特性分析[J].东南大学学报(自然科学版),2001,31(6):52-55.[doi:10.3969/j.issn.1001-0505.2001.06.012]
 Fang Deshan,Leng Wei,Xu Zhigao,et al.Analysis of Heat Transfer Characteristics in Circulating Fluidized Bed Boiler[J].Journal of Southeast University (Natural Science Edition),2001,31(6):52-55.[doi:10.3969/j.issn.1001-0505.2001.06.012]
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循环流化床锅炉传热特性分析()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
31
期数:
2001年第6期
页码:
52-55
栏目:
能源与动力工程
出版日期:
2001-11-20

文章信息/Info

Title:
Analysis of Heat Transfer Characteristics in Circulating Fluidized Bed Boiler
作者:
房德山1 冷伟1 徐治皋1 张志伦2
1 东南大学动力工程系,南京 210096; 2 哈尔滨锅炉厂有限责任公司,哈尔滨 150046
Author(s):
Fang Deshan1 Leng Wei1 Xu Zhigao1 Zhang Zhilun2
1 Department of Power Engineering, Southeast University, Nanjing 210096, China; 2 Harbin Boiler Company Ltd., Harbin 150046, China)
关键词:
循环流化床 对流传热 辐射传热 仿真
Keywords:
circulating fluidized bed convective heat transfer radiative heat transfer simulation
分类号:
TK229.66
DOI:
10.3969/j.issn.1001-0505.2001.06.012
摘要:
作为循环流化床锅炉整体数学模型和控制系统研究工作的一部分,结合环核结构的流动数学模型,建立了循环流化床锅炉的传热数学模型,对对流传热系数和辐射传热系数随炉膛高度的变化情况以及运行参数改变对循环流化床锅炉传热特性的影响进行了仿真研究.仿真结果表明,一二次风配比的改变和过量空气系数的改变都会使循环流化床锅炉的传热系数改变,但对对流传热系数的影响更大一些,即传热系数与辐射传热份额的变化方向相反.
Abstract:
Based on core-annular hydrodynamic model, a model of heat transfer in circulating fluidized bed (CFB) boiler is developed. This model is a part of the study on overall mathematical model and control system of CFB boiler. The variation of heat transfer coefficients with furnace height and the influences of operation parameters on heat transfer in CFB are simulated and studied. Simulation results show that both excess air ratio and fraction of primary air can affect the heat transfer in CFB boiler, while convective heat transfer is more affected to the changing of operation parameters. That is to say, the changing direction of heat transfer coefficient is inverse to that of fraction of radiative heat transfer.

参考文献/References:

[1] 岑可法,倪明江,骆仲泱,等.循环流化床锅炉理论、设计与运行.北京:中国电力出版社,1998.190~197
[2] Basu P,Nag P K.Heat transfer to walls of a circulating fluidized-bed furnace.Chemical Engineering Science,1996,51(1):1~26
[3] Lints M C,Glicksman L R.Parameters governing particle-to-wall heat transfer in a circulating fluidized bed.In:Avidan A A,ed.Circulating Fluidized Bed Technology IV.New York:AIChE,1994.297~304
[4] Lints M C.Particle to wall heat transfer in circulating fluidized beds:[Dissertation].Massachusetts:Massachusetts Institute of Technology,1992
[5] Glicksman L.Circulating fluidized bed heat transfer.In:Basu P,Large J F,eds.Circulating Fluidized Bed Technology II.Oxford:Pergamon Press,1988.11~30
[6] Wu R L,Lim C J,Grace J R,et al.Instantaneous local heat transfer and hydrodynamics in circulating fluidized bed.Int J Heat Mass Transfer,1990,34(8):2019~2027
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备注/Memo

备注/Memo:
作者简介:房德山,男,1975年生,博士研究生.
更新日期/Last Update: 2001-11-20