摘要
通过实验和仿真研究大功率双P型辐射管的温度分布,设计的辐射管功率为200kW,在3. 2m×1. 2m×2. 3m的全纤维内衬实验炉上进行测试,采用k-ε湍流模型、非预混燃烧模型、DO辐射模型进行仿真,对比实验值和仿真值。当炉温为900和1000℃时,各测点管壁温度的仿真值和实验值相比,误差小于5%;空气预热温度为20、400、600℃时,管壁温度和最大温差逐渐增加;在烧嘴额定功率的100%、50%、30%、20%时,随着功率的降低,各测点管壁温度逐渐降低,最大温差逐渐减小;随着热值的增加,管壁高温区的温度越高,管壁最大温差逐渐增加。
The temperature distribution of high power twin-P type gas fried radiant tube was studied through experiment and simulation.The radiant tube power was designed to be 200kW and tested in a 3.2m×1.2m×2.3m experiment furnace with fiber lined.The k-εturbulence model,Non-premixed combustion model and DO radiation model were used in the simulation.It can be found From the experiments and simulations that When the furnace temperature was 900 and 1000℃,the difference between the simulation values and the experimental values of the tube wall measuring point temperature were less than 5%.When the air preheating temperature is 20,400 and 600℃,the wall temperature and the maximum temperature difference increase gradually.With the decrease of burner power,the wall temperature at each measuring point gradually decreases and the maximum temperature difference also decreases gradually.With the increase of heating value,the tube wall temperature increased in the high temperature area and the maximum temperature difference increased.
作者
王宏宇
程奇伯
张道明
雍海泉
冯霄红
Wang Hongyu;Cheng Qibo;Zhang Daoming;Yong Haiquan;Feng Xiaohong(CISDI Thermal and Environmental Engineering Co.,Ltd.;CISDI Research and Development Co.,Ltd.)
出处
《冶金能源》
2019年第1期42-45,共4页
Energy For Metallurgical Industry
关键词
双P型辐射管
烧嘴
温度均匀性
twin-p radiant tube
burner
temperature uniformity
