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| 循环流化床锅炉外置换热器低温过热器受热面温升调节特性研究 | |
| 引用本文： | 林显敏,陈文,魏友鸰,余武高,毛晓飞,王智微,陈念祖.循环流化床锅炉外置换热器低温过热器受热面温升调节特性研究[J].热力发电,2011,40(12). |
| 作者姓名： | 林显敏 陈文 魏友鸰 余武高 毛晓飞 王智微 陈念祖 |
| 作者单位： | 1. 江西省电力科学研究院,江西南昌,330096 2. 江西分宜发电有限责任公司,江西分宜,336607 3. 西安热工研究院有限公司,陕西西安,710032 |
| 摘 要： | 针对某670 t/h循环流化床(CFB)锅炉30种运行工况进行测量,并采用最优回归分析法对分流回灰换热器布置有一级低温过热器的温升调节控制特性进行分析.结果表明,锅炉负荷率、炉膛上部静压差、旋风筒回料温度、外置换热器进口汽温、分配室风量、内均流室风量、外均流室风量、换热室风量等参数对一级低温过热器温升的影响不尽相同,其中内、外均流室风量是一级低温过热器温升的主要调节参数,其调节幅度可满足锅炉实际运行要求. |
| 关 键 词： | CFB锅炉 外置换热器 低温过热器 温升 温度调节 |
STUDY ON REGULATION CHARACTERS OF TEMPERATURE RISE ON HEATING SURFACE IN LOW-TEMPERATURE SUPERHEATER OF THE EXTERNAL HEAT EXCHANGER EQUIPPED FOR ONE CFB BOILER |
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| LIN Xianmin,CHEN Wen,WEI Youling,YU Wugao,MAO Xiaofei,WANG Zhiwei,CHEN Nianzu .Jiangxi Provincial Electric Power Science Research Institute,Nanchang ,Jiangxi Province,PRC .Jiangxi Fenyi Power Generation Co Ltd,Fenyi ,PRC .Xi'an Thermal Power Research Institute Co Ltd,Xi'an ,Shaanxi Province,PRC.STUDY ON REGULATION CHARACTERS OF TEMPERATURE RISE ON HEATING SURFACE IN LOW-TEMPERATURE SUPERHEATER OF THE EXTERNAL HEAT EXCHANGER EQUIPPED FOR ONE CFB BOILER[J].Thermal Power Generation,2011,40(12). | |
| Authors: | LIN Xianmin CHEN Wen WEI Youling YU Wugao MAO Xiaofei WANG Zhiwei CHEN Nianzu Jiangxi Provincial Electric Power Science Research Institute Nanchang Jiangxi Province PRC Jiangxi Fenyi Power Generation Co Ltd Fenyi PRC Xi'an Thermal Power Research Institute Co Ltd Xi'an Shaanxi Province PRC |
| Affiliation: | LIN Xianmin1,CHEN Wen1,WEI Youling2,YU Wugao2,MAO Xiaofei1,WANG Zhiwei3,CHEN Nianzu1 1.Jiangxi Provincial Electric Power Science Research Institute,Nanchang 330096,Jiangxi Province,PRC 2.Jiangxi Fenyi Power Generation Co Ltd,Fenyi 336607,PRC 3.Xi'an Thermal Power Research Institute Co Ltd,Xi'an 710032,Shaanxi Province,PRC |
| Abstract: | Directing against thirty operating conditions of one 670 t/h CFB boiler,measurement has been carried out,and adopting optimal regression analysis method,the regulation and control characters of temperature rise in divided return ash heat exchanger equipped with first-stage low-temperature superheater being analysed.Results show that the influence of parameters,such as loading rate of boiler,static pressure difference in upper part of the furnace,temperature of material returned into the cyclone,inlet steam ... |
| Keywords: | CFB boiler external heat exchanger low-temperature superheater temperature rise temperature regulation |
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