Simulation of Hot Metal Temperature Variation During Tapping of Blast Furnace
(Room 404)
16 May 16
11:30 AM
-
12:00 PM
Tracks:
BF Modeling, Blast Furnace Operating Improvements
To predict hot metal temperature variation during the tapping process is extremely useful, since it gives a clear picture about the tapping operation. At the same time, it allows correction of process parameters in case of any major deviation. Hence, in order to obtain desired hot metal temperature with optimum heat input and heat loss and to tune the other parameters accordingly, it is required to have a clear understanding of temperature distribution across the liquid pool in the hearth and variation in tapping temperatures. In this study, a mathematical model is prepared based on the heat transfer between metal and slag, metal and solids, slag and solids, as well as among the various zones of metal and slag itself. The effects of heat supply from the dripping zone and heat loss to the cooling system have been considered, and the temperature counters are prepared to obtain a trend of temperature variation of metal and slag during tapping.