[1]王为术,李帅帅,周俊杰,等.350MW超临界锅炉螺旋水冷壁壁温特性研究[J].郑州大学学报(工学版),2013,34(03):50-54.[doi:10.3969/j.issn.1671-6833.2013.03.013]
　WANG Wei-shu,LI Shuai-shuai,ZHOU Jun-jie,et al.The Temperature Characteristics Study of Spiral Water-wallin 350 Mw Supercritical Pressure Boilers[J].Journal of Zhengzhou University (Engineering Science),2013,34(03):50-54.[doi:10.3969/j.issn.1671-6833.2013.03.013]
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350MW超临界锅炉螺旋水冷壁壁温特性研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
34卷
期数:
2013年03期
页码:
50-54
栏目:
出版日期:
2013-05-31

文章信息/Info

Title:
The Temperature Characteristics Study of Spiral Water-wallin 350 Mw Supercritical Pressure Boilers
作者:
王为术; 李帅帅; 周俊杰; 等.
华北水利水电学院热能工程研究中心,河南郑州,450011, 郑州大学化工与能源学院,河南郑州,450001, 西安交通大学动力工程多相流国家重点实验室,陕西西安,710049
Author(s):
WANG Wei-shu’ ; LI Shuai-shuai’; ZHOU Jun-jie’; BI Qin-cheng’
1.Institute of Thermal Energy Engineering，North China University of Water Resources and Eletric Power, Zhengzhou 450011 ,China; 2.School of Chemical and Energy Engineering，Zhengzhou University,Zhengzhou 450001 ,China; 3.State Key Lab ofMultiphase Flow in Power Engineering , Xi’ an Jiaotong University , Xi’an 710049 , China
关键词:
超临界锅炉;  螺旋水冷壁;  温度场;  数值计算
Keywords:
supercritical pressure boiler;  spiral water-wall;  temperature field; numerically calculation
分类号:
TK223.3
DOI:
10.3969/j.issn.1671-6833.2013.03.013
文献标志码:
A
摘要:
针对林州热电厂350MW超临界锅炉水冷壁温度特性,采用有限容积法对矩形鳍片膜式水冷壁进行温度场分布的数值计算,分析了炉膛下部螺旋管圈的温度分布特性.计算研究表明:螺旋管圈水冷壁温度随着炉膛高度的升高而增大,最高温度出现在水冷壁向火侧或者鳍端,最高温度小于440℃,低于金属许用温度；随着锅炉负荷的升高,管壁最高温度及周向最大温差显著增大.在炉膛宽度上,各管间温度差、焓值差及亚临界压力下的干度差均很小,但其值随着热负荷的增大而增大,表明螺旋管圈水冷壁可有效消除热偏差.
Abstract:
In view of the temperature characteristics of water wall in 350MW supercritical pressure boiler ofLinzhou thermal power plant，the temperature fields of rectangular fins water wall were numerically studied bythe finite volume method ， and the spiral membrane water-wall temperature in the lower furnace was analyzed.According to the calculation results，temperature of spiral water-walls increases with the increase of the heightof furnace. The highest temperature，which occurs at the facing flame outer of water wall tube or the fin’send，is less than 440 C and does not exceed the permitted value of the metal. Both the highest temperatureand the maximum temperature difference increase with increasing the furnace load. As the thermal deviationcan be effectively reduced by using spiral water-wall，the temperature of water-walls and the temperaturedifference of working medium between each tube are very small along the width direction of the furnace.

参考文献/References:

[1]王振铭．我国热电联产发展状况分析[J]．热电技术，2011(2)：1—5．

[2]高慧云，肖宁．我国热电联产产业的发展趋势[J]．发电设备，2010，24(6)：467—469．

更新日期/Last Update: 1900-01-01