An Investigation of Heat Transfer in Vertical Shaft Kiln Process of Cement Manufacture: Part II – Conduction and Radiation
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 8
Abstract
The heat transfer inside the vertical shaft kiln (VSK) for cement manufacture is a complex phenomena involving all the three modes of convection, conduction and radiation heat transfer inside the packed bed moving column. The convective mode of heat transfer was investigated and reported in part-I of this present study [1]. In this part of investigation, we studied the effect of conduction and radiation heat transfer on the clinkerization process using varying feed size and air flow rates in an experimental prototype kiln. The effective thermal conductivity ke was determined under various air flow rates and correlations were compared with existing heat transfer models suggested by different researchers. It was observed that the Maxwell-Eucken model best represented the conduction heat transfer in the VSK process.
Authors and Affiliations
Dipankar Neog, P G Rao, ML Das, Pranab Barkakati
Keywords
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