| 燃煤锅炉卫燃带的设计校核计算 |
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| 引用本文： | 陈冬林,谭旦辉,陈彦菲,裴晓冲,刘唐庆.燃煤锅炉卫燃带的设计校核计算[J].电力科学与技术学报,2007,22(1):47-50. |
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| 作者姓名： | 陈冬林 谭旦辉 陈彦菲 裴晓冲 刘唐庆 |
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| 作者单位： | 长沙理工大学,能源动力工程学院,湖南,长沙,410077 |
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| 基金项目： | 国家自然科学基金
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湖南省教育厅资助项目 |
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| 摘 要： | 为解决卫燃带的结渣问题,提出卫燃带向火侧表面温度计算及控制的设计准则,同时提出炉内火焰与水冷壁管及卫燃带间的集总参数换热模型,并利用此模型建立燃煤锅炉卫燃带敷设面积、厚度、表面温度的代数计算公式.应用该模型对一台1025 t/h锅炉定压运行煤粉炉的卫燃带进行设计传热计算,计算结果与实际情况基本吻合.
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| 关 键 词： | 燃煤锅炉 卫燃带 计算方法 燃烧 |
| 文章编号： | 1673-9140（2007）01-0047-04 |
| 收稿时间： | 2007-02-10 |
| 修稿时间： | 2007-02-10 |
Calculation method for designing heat-insulating layer on furnace waterwall of coal-fired boilers |
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| CHEN Dong-lin,TAN Dan-hui,Chen Yan-fei,PEI Xiao-chong,LIU Tang-qing.Calculation method for designing heat-insulating layer on furnace waterwall of coal-fired boilers[J].JOurnal of Electric Power Science And Technology,2007,22(1):47-50. |
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| Authors: | CHEN Dong-lin TAN Dan-hui Chen Yan-fei PEI Xiao-chong LIU Tang-qing |
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| Affiliation: | College of Energy and Power Engineering, Changsha University of Science and Technology, Changsha 410077, china |
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| Abstract: | In order to avoid slagging on the heat-insulation of furnace waterwall, a designing criterion for flame-side surface temperature calculation and control is proposed in this paper. And a heat exchange model between fire, furnace waterwall and heat-insulation is also proposed. An algebraic calculation model for area, thickness and thermal conductivity of the heat-insulation is thus established. The proposed criterion and model are verified in heat-insulation designing and heat exchange calculation for a 1 025 t/h PC-fired boiler, and the calculation result is consistent well with the actual situation. |
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| Keywords: | Coal-fired boiler Heat-insulating layer Calculation method Combustion |
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