摘要
详细分析了焦炉加热过程的传热机理,基于水分蒸发非线性迁移模型建立了焦炉炭化室传热过程的数学模型,利用数值仿真技术对所建立的数学模型进行了研究,并与某企业焦炉炭化室煤焦温度场的实测数据进行了对比分析.结果表明,采用水分非线性蒸发模型与采用传统的水分定温蒸发模型(100℃)相比,焦炉炭化室传热过程数学模型的计算结果与实测数据吻合得更好,其最大相对误差由31.74%下降到10.17%,从而证明了该数学模型能够更好地描述焦炉炭化室的传热过程.
The heat transfer mechanism of the coke oven heating process was analyzed, and a mathematical model, which was based on the moisture nonlinear evaporation model, was set up to simulate the heat transfer process in the coking chamber. Numerical simulation was adopted to calculate the mathematical model. The proposed moisture nonlinear evaporation model was proved to be better than the traditional processing method which assumed that evaporation only occurred at 100℃, by comparing the two models with a company＇s experimental data of the temperature of the coal-coke in the coking chamber. Results of the proposed model accorded better with the experimental data while the maximal relative error was reduced from 31.74% to 10.17% ,which indicated that the model is credible.
出处
《浙江大学学报（工学版）》
EI
CAS
CSCD
北大核心
2007年第10期1746-1749,共4页
Journal of Zhejiang University：Engineering Science
关键词
水分非线性蒸发
炭化室传热模型
数值仿真
moisture nonlinear evaporation
coking chamber heat transfer model
numerical simulation
