| 煤的成灰磨耗特性对循环流化床内物料平衡的影响 |
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| 引用本文： | 李海明,杨海瑞.煤的成灰磨耗特性对循环流化床内物料平衡的影响[J].煤炭转化,2004,27(1):36-40. |
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| 作者姓名： | 李海明 杨海瑞 |
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| 作者单位： | 1. 清华紫光环保有限公司,100084,北京
2. 清华大学热能工程系,100084,北京 |
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| 摘 要： | 循环流化床燃烧条件下煤的成灰磨耗特性是影响床内的流化特性和锅炉整体性能的重要因素之一 .利用静态燃烧然后冷态流化实验方法 ,可以得到给煤的成灰及磨耗参数并提出煤种的本征成灰概念 .在此基础上建立稳态的 CFBC冷态灰平衡模型来研究流化床内物料的粒径分布规律 .分析了流化风速、分离器效率和煤灰的磨耗系数对飞灰、排渣和床料的粒径分布的影响 .
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| 关 键 词： | 磨耗 本征成灰 灰平衡模型 |
| 修稿时间： | 2003年10月20 |
RELEVANCE OF ASH ATTRITION TO SOLIDS PARTICLE SIZE DISTRIBUTION IN CFB BOILER |
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| Li Haiming and Yang Hairui.RELEVANCE OF ASH ATTRITION TO SOLIDS PARTICLE SIZE DISTRIBUTION IN CFB BOILER[J].Coal Conversion,2004,27(1):36-40. |
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| Authors: | Li Haiming and Yang Hairui |
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| Affiliation: | Li Haiming and Yang Hairui * |
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| Abstract: | The ash formation and its attrition character under the condition of Circulating Fluidized Bed(CFB) combustion is one of the key factors that affect the fluidization character as well as the CFB boiler performance.The experimental method with coal static combustion and cold ash fluidizing is proposed to get the intrinsic ash formation data and attrition data.For the first time,a new concept of intrinsic ash formation(IAF) is proposed.A cold solids balance model is addressed to discuss the relevance of IFA and ash attrition to particle size distribution in CFB. |
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| Keywords: | attrition intrinsic ash formation balance model |
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