Control of the flame front advance in a sintering bed of iron ores
DOI:
https://doi.org/10.3989/revmetalm.0951Keywords:
Sintering, Flame front, Combustion, Iron ores, Temperature sensors, Algorithmic adjustments, Data acquisition systemAbstract
A sintering pan of 40 cm cubed is loaded with a mixture of iron ores, limestone and coke weighing 110 kg in a sintering pilot plant. In this sintering pan, a series of thermocouples have been introduced at different depths. Tests have been carried out to study the width of the combustion zone and the maximum temperature of the flame front across the sintering bed. For the analysis of the results, a data acquisition system was used. This consisted of two modules connected in serie, for performing the analogue-digital conversion. The analogue entry point is the exit point of the thermocouples and the digital exit point was the temperature average. A computer was used for conserving and storing the data and for carrying out interpolations, simulating the state and evolution of the flame front across the bed.
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