In order to reduce the cost of running blast furnaces (BFs),
injected pulverized coal is used rather than coke to fire BFs. As a
result of this, unburned fine materials are blown with the gas into
the bosh and dead man areas with possible detrimental effects on
gas flow and permeability of the coke column. The capacity of the
furnace to consume these particles by solution loss is probably one
of the limitations to coal injection. It is, therefore, important
to understand the physicochemical and aerodynamic behaviour of
fines including the change of in-furnace phenomena.
The Committee of Pulverized Coal Combustion and In-Furnace
Reaction in BF was set up in 1993 as a cooperative research of the
Japan Society for the Promotion of Science (JSPS) and the Iron and
Steel Institute (ISIJ) to evaluate research initiative into this
problem.
This book reports on the JSPS/ISIJ Committee's activities and
describes the interpretation of findings drawn from combustion
experiments and the results of live furnace applications, and
furnace performance.
General
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