coal value chain - simulation model orssa conference 2005
TRANSCRIPT
Coa
l Val
ue C
hain
-S
imul
atio
n M
odel
Mel
anie
Fou
rie (
Sas
ol T
echn
olog
y) a
nd J
ohan
Jan
seva
n R
ensb
urg
(CS
IR)
copy
right
res
erve
d 20
05, S
asol
Tec
hnol
ogy
& S
asol
Min
ing
19th
SA
IIE a
nd 3
5th
OR
SS
A C
onfe
renc
e 20
05
Out
line
Bac
kgro
und
Sim
ulat
ion
obje
ctiv
es
Sim
ulat
ion
mod
elM
ines
Ble
nd p
lan
Pla
nt S
tock
pile
sS
tack
ers
and
Rec
laim
ers
Coa
l Scr
eeni
ng
Less
ons
lear
nt
“sus
tain
abili
ty”
Coa
l Val
ue C
hain
Pro
cess
Mid
delb
ult
Bra
ndsp
ruit
Bos
jesp
ruit
Tw
istd
raai
Mid
dlin
gs
Syf
erfo
ntei
n
Sas
ol C
oal
Su
pp
ly
Sto
ckpi
le y
ard
1
Sto
ckpi
le y
ard
2
Sto
ckpi
le y
ard
3
Sto
ckpi
le y
ard
4
Sto
ckpi
le y
ard
5
Sto
ckpi
le y
ard
6
Sec
un
da
Co
llier
ies
Sas
ol S
ynfu
els
Coa
l P
roce
ssin
g
Gas
Pro
duct
ion
Ste
am
Coa
l P
roce
ssin
gG
asP
rodu
ctio
n
Ste
am
WEST EAST
Min
esS
asol
Coa
l S
uppl
yC
oal
Pro
cess
ing
Syn
fuel
s
Ste
am
Pla
nt M
onito
r
Sch
edul
ing
Mod
el
Syn
fuel
sP
lann
ing
Mod
el
Coa
l Pro
duct
ion
fore
cast
Gas
load
req
uire
men
tIn
pu
t S
hee
tT
onne
s &
Qua
lity
Wee
kly
Ble
nd
Ble
nd fe
asib
le?
No
Yes
Wee
kly
Ble
nd
Hou
rly s
ched
ule
Tracking
Ope
ratio
nal i
nfo
Gas
P
rodu
ctio
n
Mai
nten
ance
Pla
n
Pla
nnin
g M
odel
Sim
ulat
ion
Mod
el
Sim
ulat
ion
obje
ctiv
es
Set
of t
ools
to fa
cilit
ate
optim
isat
ion
of C
oal V
alue
Cha
in
Inte
grat
ed, o
ptim
ised
Coa
l Val
ue C
hain
Foc
us o
n m
axim
isin
g co
al to
gas
yie
ld
Sup
ply
optim
um c
oal q
ualit
yO
ptim
ise
oper
atio
ns a
t Sas
ol C
oal S
uppl
y an
d C
oal P
roce
ssin
gE
xplo
it op
port
uniti
es o
f rea
l-tim
e in
form
atio
n
Sim
ulat
ion
mod
elB
lend
feas
ibili
ty
Infr
astr
uctu
re u
tilis
atiti
onC
apac
ity a
nd p
hilo
soph
y ch
ange
s
Sim
ulat
ion
Mod
el
Min
es Pro
duce
coa
l
Diff
eren
t pro
pert
ies
Sto
re c
oal
Sim
ulat
ion
Mod
el (
Con
t.)
Ble
nd P
lan
Min
es p
rodu
ce c
oal w
ith d
iffer
ent p
rope
rtie
s
Mix
coa
lU
nifo
rm p
rodu
ct
Pla
nt S
tock
pile
sS
tack
erR
ecla
imer
Hea
psLi
ve, d
ead-
live
and
dead
Sto
ckpi
le h
eap
Sim
ulat
ion
Mod
el (
Con
t.)
Sta
cker
Sta
ck c
oal
Fee
d ra
teR
ate
of m
ovin
g
Rec
laim
erP
ick-
up c
oal
Rat
e of
mov
ing
Sim
ulat
ion
Mod
el (
Con
t.)
Fro
nt E
nd L
oade
rs
Sim
ulat
ion
Mod
el (
Con
t.)
Coa
l Scr
eeni
ngS
epar
atin
g fin
e co
al fr
om c
oars
e co
al
Con
veyi
ng to
Gas
Pro
duct
ion
CO
AL
B
UN
KE
R
CO
NV
EY
OR
B
EL
T
PR
IMA
RY
S
CR
EE
N
SE
CO
ND
AR
Y
SC
RE
EN
On
Con
veyo
rs to
Gas
P
rodu
ctio
n
Less
ons
lear
nt
Don
’t un
dere
stim
ate
the
requ
ired
deta
il in
volv
ed
Con
stru
ct lo
gic
flow
dia
gram
s fo
r op
erat
iona
l rul
es b
efor
e yo
u st
art m
odel
ling
Hav
e a
clos
e re
latio
nshi
p w
ith y
our
clie
nt
“sus
tain
abili
ty”
Fro
m th
en to
now
Upd
ates
on
old
dist
ribut
ions
Dat
a th
roug
h in
tegr
ated
inpu
t she
et w
ith v
aria
tions
Upd
ate
mod
el to
cur
rent
situ
atio
nT
estin
g sc
enar
ios
Exp
andi
ng o
n C
oal S
cree
ning
mod
el