Fire,
Journal Year:
2024,
Volume and Issue:
7(4), P. 105 - 105
Published: March 22, 2024
During
the
process
of
coal
spontaneous
combustion
(CSC),
a
plethora
combustible
gases
alongside
inert
gases,
such
as
CO2,
are
copiously
generated.
However,
prior
investigations
have
regrettably
overlooked
pivotal
influence
gas
production
on
propensity
for
methane
explosions
during
CSC.
To
investigate
impact
flue
environment
generated
by
CSC,
containing
both
and
risk
explosion,
high-temperature
programmed
heating
test
system
CSC
was
employed
to
analyze
generation
pattern
gas.
It
found
that
CO,
CH4
were
continuously
in
large
quantities
which
main
components
The
effect
concentration
component
ratio
(CCO2/CCO)
explosion
limit
tested.
led
decrease
limit,
range
facilitated
at
0
<
CCO2/CCO
0.543
suppressed
>
0.543.
As
temperature
increases,
is
initially
suppressed.
When
exceeds
330~410
°C,
rapidly
expands.
Fire,
Journal Year:
2024,
Volume and Issue:
7(4), P. 105 - 105
Published: March 22, 2024
During
the
process
of
coal
spontaneous
combustion
(CSC),
a
plethora
combustible
gases
alongside
inert
gases,
such
as
CO2,
are
copiously
generated.
However,
prior
investigations
have
regrettably
overlooked
pivotal
influence
gas
production
on
propensity
for
methane
explosions
during
CSC.
To
investigate
impact
flue
environment
generated
by
CSC,
containing
both
and
risk
explosion,
high-temperature
programmed
heating
test
system
CSC
was
employed
to
analyze
generation
pattern
gas.
It
found
that
CO,
CH4
were
continuously
in
large
quantities
which
main
components
The
effect
concentration
component
ratio
(CCO2/CCO)
explosion
limit
tested.
led
decrease
limit,
range
facilitated
at
0
<
CCO2/CCO
0.543
suppressed
>
0.543.
As
temperature
increases,
is
initially
suppressed.
When
exceeds
330~410
°C,
rapidly
expands.