Abstract
Burden distribution control is one of main technologies to keep the good permeability and the high reaction efficiency in a blast furnace. However, in actual blast furnace operation, there are variations in burden distribution due to various factors, such as fluctuations in condition of the raw materials, fluctuations of the mechanical properties of charging devices, the changes of charging devices due to abrasion and so forth. Such variations could be a negative factor to conduct blast furnace operation in high productivity and low reducing agent rate. The advanced supporting system for burden distribution control at blast furnace top regards those variational factors as the characteristic parameters of burden distribution formation through analyzing on-line monitoring probe data to make effective supports for a proper burden distribution control. In this paper, the composition of the supporting system and the results of applying this system to actual blast furnace are described.
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