Mathematical models for coal devolatilization and temperature distribution in coke ovens

Abstract

<span style="font-size: 12.0pt;line-height:115%;font-family:" times="" new="" roman";mso-fareast-font-family:="" "times="" roman";mso-ansi-language:en-in;mso-fareast-language:en-in;="" mso-bidi-language:hi"="" lang="EN-IN">Merrick<span style="font-size:12.0pt;line-height:115%;font-family:" times="" new="" roman";="" mso-fareast-font-family:"times="" roman";mso-ansi-language:en-in;mso-fareast-language:="" en-in;mso-bidi-language:hi"="" lang="EN-IN">'s models have been employed to study the rate of devolatilization and the physical properties of the charge, e.g. , bulk density, true density, porosity, specific heat, thermal conductivity and heat of reaction as a function of the temperature of carbonization. The equation for unsteady state heat transfer by conduction was employed to evaluate the temperature-time distribution in a coke oven charge. The paper gives the results of computer calculations for low and high volatile Jharia coking coals of India.</span></span>