|
|
|
| Study on mathematical model of coal ash fusion temperature |
| Cao Yuefeng, Li Hanxu, Hu Yang, Zhang Zhao |
| School of chemistry and engineering, Anhui University of Science and Technology, Huainan 232000, China |
|
|
|
|
Abstract Considering the different requirements on the ash melting point of liquid and solid slag boiler, using coal ash as independent variables, the ash melting point as the dependent variable model, through analyzing the influence factor by optimization formula of control variable method; in the same experimental data as the basis, using the regression analysis method to establish the mathematical model for predicting the ash melting point. The two formulas were compared with the classical formula by other coal sample. The results showed that the optimized formula got the best prediction effect. The error was 97.3% within 80℃, and the correlation coefficient is 0.95848. The mathematical model of grey fusion point is established by regression analysis. The coefficient of correlation is 0.86. The formula has a universal universality and accuracy in predicting the ash melting point.
|
|
|
|
|
|
| 1 ] 马乐波,杨 磊,夏之文.煤灰成分对灰熔融特性影响的多角度分析[ J ]. 中氮肥,2014( 6 ):59 - 61.
[ 2 ] 魏砾宏,马婷婷,李润东. 灰中酸性组分对灰熔融温度的影响[ J ]. 燃料化学学报,2014,42( 10 ):1 206 - 1 211.
[ 3 ] 张玉磊,尹永志,王希闯. 煤灰成分预测灰熔点的模型[ J ].中氮肥,2012( 6 ):10 - 12.
[ 4 ] 孟 莹. 煤灰成分对煤灰熔融行为影响的研究[ D ]. 安徽:安徽理工大学,2011.
[ 5 ] 崔建方,张 雷,刘 象,等. Fe2O3对林南仓煤灰熔融性的影响研究[ J ]. 煤炭技术,2015,34( 11 ):247 - 248.
[ 6 ] 周亚明,汪文梅.安徽煤灰熔融特性研究[ J ]. 上海化工,2010,35( 10 ):23 - 25.
[ 7 ] 刘筱华,李晋文.浅谈利用灰成分计算灰熔点[ J ]. 中国高新技术产业,2009( 12 ):51 - 52.
[ 8 ] 阮芮彬,龙 兵,刘志强,等. 生物质灰熔融温度预测模型的研究[ J ]. 动力工程学报,2013,33( 6 ):484 - 489.
[ 9 ] 樊泉桂,阎维平. 锅炉原理[ M ]. 北京:中国电力出版社,2004.
[ 10 ] 赵显桥,吴胜杰,何国亮,等. 支持向量机灰熔点预测模型研究[ J ]. 热能动力工程,2011,( 4 ):436 - 439,494 - 495.
[ 11 ] 熊金钰,李寒旭,曹 祥,等. 神经网络法预测煤灰中铁钙比与灰熔融温度的关系[ J ]. 应用化工,2015( 2 ):209 - 213.
[ 12 ] 徐志明,郑娇丽,文孝强. 基于偏最小二乘回归的灰熔点预测[ J ]. 动力工程学报,2010,30( 10 ):788 - 792.
[ 13 ] K.HaKan, B.Frans, R.Adrian, et al. Application of a new ash fusion test to Theodore coals[ J ]. Fuel, 1998, 77( 1 - 2 ):1 005 - 1 011.
[ 14 ] 戴爱军. 煤灰成分对灰熔融性影响研究[ J ]. 洁净煤技术,2007,13( 5 ):23 - 26. |
|
|
|