Consteel Installation
The installation of the new system took place
in four stages in order to minimize as much as possible any unsteady meltshop production.
In fact, the following stages were carried out:
• Construction of a new section in the
scrap yard. This consisted of two cranes,
each supplied with a 10-tonne-capacity
double-magnet system for the loading of
the 60-m-long x 2,400-mm-wide conveyor
belt for feeding scrap into the furnace.
In addition, a new duct for the removal
of exit gases from the pre-heater, along
with a new dust-settling chamber, were
designed and built. This stage did not
influence production at all.
• Continuation of the necessary construction
inside the EAF building. This stage
gave rise to only minor production
delays.
• Construction of some necessary parts
that created some daily production cutbacks.
• In the final 15 days, production was completely
stopped in order to attach the
connecting car that feeds scrap into the
furnace. This included modifications in
the lower part of the furnace shell that
had been designed and executed in
advance. Furthermore, a new EAF roof
was placed with no fourth hole for the
removal of exit gases, as the gases in a
Consteel plant are removed from the
scrap pre-heating section. It should be
noted that the pre-heater was constructed
to be partly water-cooled (about 8 m
long) and partly refractory protected
(about 32 m long). During this stage,
strand No. 6 in the CCM was put into
effect in order for the caster to be able to
match the higher furnace productivity.