Gx. Wang et al., Simulation of gas-liquid flow in dripping zone of blast furnace involving impermeable fused layers, ISIJ INT, 40(7), 2000, pp. 627-636
A newly developed gas-liquid two-phase model has been employed to simulate
the flow of gas and liquid in a blast furnace. This model accounts for the
existence of impermeable fused layers in the blast furnace cohesive zone an
d treats the liquid as a discrete phase as revealed by experimental observa
tion. The model has been run with a variety of assumed cohesive zones under
a given blast furnace condition, giving the flow pattern and the distribut
ions of liquid flow rates and liquid holdup. The results demonstrate the lo
calized horizontal or upward flow characteristics of discrete liquid in and
below the blast furnace cohesive zone. These characteristics are affected
by the cohesive zone structure that can be described in terms of shape, pos
ition and the numbers of fused layers. The study reinforces the need to imp
lement liquid flow in blast furnace modelling.