焦炉荒煤气物性参数的研究

为了解决焦炉荒煤气显热回收传热计算中物性参数缺乏的问题,在简单介绍了焦炉煤气的实际组成和热工计算用焦炉煤气组成的前提下,研究了常压下焦炉煤气黏度、导热系数和比热容3个物性参数。采用热工计算用煤气组分,分别选用合适的数学模型对焦炉煤气的物性参数进行分析与计算,推导出焦炉煤气物性参数的计算公式。结果表明:焦炉煤气黏度、导热系数、比热容这三者的计算值与文献值最大偏差分别为-4.02%,-4.88%,-4.89%,表明数学模型可以用在工程计算中。

Thermophysical properties of coke oven gas

The lack of thermal physical parameters leads to inaccurate heat transfer computation of sensible heat recovery of coke oven gas.Introduce the practical and thermophysical calculation composition of coke oven gas,analyse the viscosity,thermal coefficient,specific heat capacity of coke oven gas.Adopting thermophysical calculation composition,test and analyse the physical properties of coke oven gas by optimal mathematical model,deduce the computational formula of thermophysical properties of coke oven gas.Compare with literature value,the maximum deviation of viscosity,thermal coefficient,specific heat capacity of coke oven gas is-4.02 percent,-4.88 percent,-4.89 percent,which means the mathematical model could be used in engineering calculation.