Ironmaking & Steelmaking Processes Products and Applications,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 19, 2024
To
monitor
and
diagnose
the
erosion
status
of
blast
furnace
hearth
lining
during
operation,
this
study
utilises
high
precision
rapid
processing
capabilities
ANSYS
finite
element
software
for
secondary
development.
It
integrates
temperature
data
from
various
thermocouples
at
bottom
with
samples
thickness
calculation,
developing
a
model
based
on
extensive
datasets
status.
This
can
display
isotherms
any
user-specified
combines
calculated
longitudinal
profile
to
create
three-dimensional
representation
through
development
Solidworks
3D
modeling
software.
flexibility
allows
an
arbitrary
view
furnace's
state.
method
significantly
enhances
both
speed
accuracy
calculations
compared
other
models.
addresses
challenge
constructing
reliable
heat
transfer
when
numerous
fail
in
later
stages
operation.
By
improving
model's
applicability
throughout
entire
lifecycle
furnace,
it
ensures
real-time
feedback
users
by
continuously
calculating
Rising
greenhouse
gas
emissions
from
global
industrialization,
particularly
in
the
iron
and
steel
sector,
necessitate
effective
carbon
capture
storage
methods.
Steel
slag,
which
is
a
by-product
of
steel-making
industry
has
potential
for
CO2
sequestration,
but
there
still
insufficient
clarity
about
carbonation
efficiency
direct
indirect
mineral
process
using
slag
as
feedstock
material.
This
study
compares
aqueous
method
under
mild
conditions.
The
goal
was
to
optimize
parameters
assess
both
approaches.
Both
methods
were
tested
controlled
reactor
system,
characterization
performed
including
X-ray
diffraction,
scanning
electron
microscopy,
thermogravimetric
analysis.
revealed
that
more
efficient
than
carbonation,
i.e.
24%
higher
ambient
temperature
61%
at
60°C.
A
20%
carbonate
conversion
rate
high-purity
product
obtained
through
conditions
60
min
Findings
indicated
employing
an
might
be
beneficial
achieved
with
pre-extraction
1.5
M
hydrochloric
acid
solid-liquid
ratio
1:10,
achieving
85.19%
efficiency.
Response
surface
methodology
showed
uptake
capacity
carbonation.
highlighted
sustainable
sequestration
process,
while
obtaining
rather
high
capacity.
steel research international,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 26, 2024
Herein,
a
thermofluid–solid
coupling
model
with
erosion
structure
is
established
based
on
blast
furnace
(BF)
volume
of
5500
m
3
.
The
temperature
distribution
the
hearth
and
thickness
solidified
iron
layer
are
studied
under
five
protection
measures.
It
found
that
can
be
increased
by
reduction
production
rate,
closing
tuyere,
increasing
taphole
length,
tapping
through
two
opposite
tapholes,
cooling
intensity.
In
particular,
rate
most
effective
way
to
increase
layer.
case
tapholes
near
area
for
tapping,
thinnest.
validity
verified
thermocouple
at
different
periods.
steel research international,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 17, 2024
To
realize
the
efficient
and
clean
comprehensive
utilization
of
vanadium–titanium
magnetite
in
Baima
mining
area
Panzhihua,
an
innovative
hydrogen‐based
shaft
furnace
direct
reduction
followed
by
a
melting
separation
process
is
proposed.
In
this
study,
behaviors
affected
temperature,
time,
basicity,
C/O
(mole
ratio
carbon
to
reducible
oxygen)
are
systematically
investigated.
The
chemical
composition,
phase
microstructure
slag
using
modern
analytical
techniques
such
as
X‐ray
diffraction,
scanning
electron
microscopy,
energy
dispersive
spectroscopy
also
revealed.
results
revealed
that
under
optimization
conditions
including
temperature
1600
°C
for
30
min,
basicity
0.50,
1.10,
corresponding
rates
Fe
V
pig
iron
99.31%
89.73%,
rate
TiO
2
92.83%,
Meanwhile,
preferable
characteristic
with
viscosity
0.116
Pa
s
1374.54
was
obtained.
directed
migration
valuable
elements
successfully
realized.
Ironmaking & Steelmaking Processes Products and Applications,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 19, 2024
To
monitor
and
diagnose
the
erosion
status
of
blast
furnace
hearth
lining
during
operation,
this
study
utilises
high
precision
rapid
processing
capabilities
ANSYS
finite
element
software
for
secondary
development.
It
integrates
temperature
data
from
various
thermocouples
at
bottom
with
samples
thickness
calculation,
developing
a
model
based
on
extensive
datasets
status.
This
can
display
isotherms
any
user-specified
combines
calculated
longitudinal
profile
to
create
three-dimensional
representation
through
development
Solidworks
3D
modeling
software.
flexibility
allows
an
arbitrary
view
furnace's
state.
method
significantly
enhances
both
speed
accuracy
calculations
compared
other
models.
addresses
challenge
constructing
reliable
heat
transfer
when
numerous
fail
in
later
stages
operation.
By
improving
model's
applicability
throughout
entire
lifecycle
furnace,
it
ensures
real-time
feedback
users
by
continuously
calculating
