Simulation Experiment on Gas Flow Patterns in the Reheating Furnace
Lots of simulation have been applied to the iron and steel making processes and especially fluid flowmodels are helpful in investigating the gas flow in the furnace.
The reconstruction of the three zone pusher furnace was planned to increase its heating capacity.Enlargement of the combustion space was aimed by raising the furnace roof and this also made itnecessary to pursuit the most suitable position and direction of burners in each zone. In addition, theroof height at the nose of soaking zone and the preheating zone was discussed and the effect of pilingup of scale on the gas flow was also considered. Then gas flow patterns in the furnace wereexamined under these various conditions. These tests resulted in the most desirable design of the furnacein its line and burner setting. The furnace was reconstructed satisfactorily according to these results.
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