燃料与化工 ›› 2018, Vol. 49 ›› Issue (3): 31-34.

• 煤焦技术 • 上一篇    下一篇

焦炉上升管取热器的动态传热特性试验

吴道冬1  刘小平1,2  陆建宁2  杨桂兰2  李菊香1,2   

  1. 1.南京工业大学能源科学与工程学院, 南京211816;2.南京华电节能环保设备有限公司, 南京210037
  • 出版日期:2018-05-23

Dynamic heat transfer test of the heat absorber on the ascension pipe of coke oven battery

Wu Daodong1  Liu Xiaoping1,2  Lu Jianning2  Yang Guilan2  Li Juxiang1,2   

  1. 1.School of Energy Science and Engineering,Nanjing University of Technology,Nanjing 211816,China; 2.Nanjing Huadian Energy Conversation & Environmental Protection Equipment Co.,Ltd.,Nanjing 210037,China
  • Online:2018-05-23

摘要:

焦炉动态中试表明,盐浴盘管结构焦炉上升管取热器的内壁温度可控并可避免荒煤气中焦油蒸汽的凝结。在整个炼焦周期内,取热器内壁温度、荒煤气总换热系数、炭化室辐射换热系数前期相对稳定,后期减小;荒煤气辐射换热系数、炭化室辐射换热系数随高度增加均呈现减小的趋势。

Abstract:

The dynamic pilot test of coke oven battery shows that with adoption of salt bath coil structure,the inner wall surface temperature of  heat absorber on the ascension pipe of coke oven battery can be controlled,and the tar vapor contained in the raw gas will not condense.During the whole coking period,the inner wall surface temperature of heat absorber,total heat exchange coefficient and the radiation heat exchange coefficient of the coking chamber are stable at the early stage,and decrease at the late stage.The radiation heat exchange coefficient of raw gas and the radiation heat exchange coefficient of the coking chamber decrease as the height increases.

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