Coal Value Chain - Simulation Model ORSSA Conference 2005 ...

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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