Evaluation of Various Heat Losses in a Rotary Furnace

Essar steel India Private limited is a fully integrated flat carbon steel manufacturer based in India from iron ore to ready to market products with a current capacity of 10 million tonnes per annum. Essar steels manufacturing facility comprises pellet making, iron making and steel making and downstream facilities spread across India. A rotary furnace is a rotated around its axis and rotation can also induce mixing or stirring of the sample. The rotary furnace will be rotating at 7.5 revolutions per minute. In that disc slurry will be placed and rotated those particles around it. Now water will be separated from the sample, and then filtrate the slurry in three different types of filtrations. Finally, the filter cake will come with a solid (90%) and moisture (10%). Heat the pellets by using induration process .Finally pellets are obtained. In the present work, sensible heat losses through pellet car, radiation losses, sensible heat loss through hot pellet discharge and cooling water losses and other losses are evaluated with respect to variation in quantity of pellet car, quantity of heat losses, quantity of pellet discharge, heating pellet car. Graphs are presented in order to study the effect of various losses with respect to input parameters like pellet discharge. The data obtained from analysis is consolidated in tables and presented in appendix.