Ug Mining_NMDC 2008_Asian Mining Congress

7/24/2019 Ug Mining_NMDC 2008_Asian Mining Congress

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Underground iron ore mining

an eco-friendly option


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byby

D Vidyarthi, GM (Mining)D Vidyarthi, GM (Mining)

NMDCNMDC

V K Jain, Director (Production)V K Jain, Director (Production)NMDCNMDC


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UndergroundUnderground

miningmining

ForestsForests

Over viewOver view

Indian IronIndian Iron

Ore ScenarioOre Scenario


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UndergroundUnderground

miningmining

ForestsForests



OverOverviewview


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*

*

* **

ZoneZone Name of the DepositName of the Deposit

AA Chiriya, Noamundi,Chiriya, Noamundi,iri!uru,iri!uru,"eghahatu!uru,"eghahatu!uru,

#ha$urani, %o&ani, 'ua,#ha$urani, %o&ani, 'ua,"a&angto&i,"a&angto&i,'andhamardan, Daitari'andhamardan, Daitari

%% %ai&adi&a, Da&&i,%ai&adi&a, Da&&i,

(a)hara, (owghat,(a)hara, (owghat,"ahamaya, Aridongri,"ahamaya, Aridongri,Sura)garhSura)garh

CC Donima&ai, (amandurg,Donima&ai, (amandurg,umaraswamy, N*%umaraswamy, N*%

(ange, *ttinahatti,(ange, *ttinahatti,#umti, %e&agaumti, %e&aga&

DD N+'oa, S+'oa, (ediN+'oa, S+'oa, (edi

** udremu$h,udremu$h,

%a!a!udan, udachadri%a!a!udan, udachadri

Occurrences ofOccurrences of

Iron Ore in IndiaIron Ore in India


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Iron Ore Production (2006-07)Iron Ore Production (2006-07)

Organiation - StateOrganiation - State "i&&ion"i&&ion#onnes#onnes

NMDCNMDC 2727SAILSAIL 2525

TISCOTISCO 00

!o"!o" #0#0

Ori$$"% &"rn"t"'"% "r'"ndOri$$"% &"rn"t"'"% "r'"nd 7272

Tot"*Tot"* +72+72


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Indi"n Iron Ore Scen"rioIndi"n Iron Ore Scen"rio


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Iron Ore ProductionIron Ore Production

Pu,*ic Sector $ Priv"te SectorPu,*ic Sector $ Priv"te Sector


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IndianIndian

Iron OreIron Ore

'rowth factors

A!undant

Iron Ore

Nationa&

Stee& po&icy

S$i&&ed

.uman (esource

.igh

'D/ growth


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" e -

As onAs on 0+1+0234

0+1+0224 0+1+5444 0+1+5446

.ematite 00172 05028 00157 01794

"agnetite

7426 04624 04735 04702

#ota&08671 55838 55043 56512

Iron Ore .e$ource$ o/ Indi" (MT)


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Domestic ConsumptionDomestic Consumption 16:16:

*;ports*;ports

66:66:

Con$u1tion P"ttern o/ Iron OreCon$u1tion P"ttern o/ Iron Ore


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Per C"1it" Stee* Con$u1tionPer C"1it" Stee* Con$u1tion

CountryCountry gsgs

IndiaIndia 9696

ChinaChina 964964


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Stee* trendStee* trend


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N"tion"* Stee* Po*ic 2005

Doe$tic 1roduction to 3rowDoe$tic 1roduction to 3row"t"t CA!.CA!. 44 7444 74

Con$u1tion "tCon$u1tion "t CA!.CA!. 44 64 44 64

Production ,Production , 20++-+220++-+2 4444 65 t65 t

Production ,Production , 20+-2020+-20 44 44++0 t++0 t

Actu"*Actu"* 3rowt in Stee*3rowt in Stee*1roduction in1roduction in 2006-20072006-200744 44+0444 44+04

!rowt in Con$u1tion 44 44 ++46!rowt in Con$u1tion 44 44 ++46


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Stee* Pro8ection$

.evi$ed e$ti"te$.evi$ed e$ti"te$

ProductionProduction,, 20++-+220++-+2 4444 0 t0 t

ProductionProduction

,, 20+-2020+-20 4444 +75 t+75 t


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M"3netite de1o$it$M"3netite de1o$it$

most of the magnetite deposits in India aremost of the magnetite deposits in India arein the forest areas and by conventionalin the forest areas and by conventional

method of mining it is likely to causemethod of mining it is likely to causedamage / degradation of forests.damage / degradation of forests.

Tere/ore te tecno*o3 /or e9c"v"tionTere/ore te tecno*o3 /or e9c"v"tion$ou*d ,e $uc t"t it c"u$e$ iniu$ou*d ,e $uc t"t it c"u$e$ iniudi$tur,"nce to te eco-/r"3i*e "re"$4di$tur,"nce to te eco-/r"3i*e "re"$4


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It may be seen thatIt may be seen thatMagnetiteMagnetite

oreore is locked up in hugeis locked up in huge

quantitiesquantities (10,619 million(10,619 million

tonnes)tonnes) in forests nationalin forests national

parks! blockingparks! blocking "# $"# $ of theof thetotal reser%es &total reser%es &



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'herefore, in the ational'herefore, in the ational

interest it becomes imperati%einterest it becomes imperati%e

to mine theto mine the Magnetite oreMagnetite ore!!hich ill ensurehich ill ensure e*tension ofe*tension of

lifelife of iron ore reser%es besidesof iron ore reser%es besides

consumption of a good blend ofconsumption of a good blend of

high and lo grade ore deposits+high and lo grade ore deposits+



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.e$erve$ Li/e

OreOre

TypeType

ReserReservesves

(MT)(MT)

SteelSteelProdn.Prodn.

yy20202020(MT)(MT)

!ron Ore!ron OreRe"#$red (MT)Re"#$red (MT)

Steel % &'portsSteel % &'ports$e$e

(*e+rs)(*e+rs)

,+e-+,+e-+

t$tet$te1463014630 110 -t110 -t

175 -t175 -t

176 % 100176 % 100

280 % 100280 % 100

5353

3838

,+-.,+-.

M+/ M+/2524925249 110 -t110 -t

175 -t175 -t

176 % 100176 % 100

280 % 100280 % 100

9292

6666


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Iron Ore .e$ource$Iron Ore .e$ource$


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:91*or"tion:91*or"tion

A$ " ,e $een /ro te 1reviou$A$ " ,e $een /ro te 1reviou$3r"1% iron ore re$ource$ in Indi"3r"1% iron ore re$ource$ in Indi"

"ve ,een /*uctu"tin3 e"r "/ter e"r4"ve ,een /*uctu"tin3 e"r "/ter e"r4

Tere/ore tere i$ " $tron3 need /orTere/ore tere i$ " $tron3 need /or

$tren3tenin3 e//ort$ on e91*or"tion$tren3tenin3 e//ort$ on e91*or"tion

/ront "nd 1rove ore re$erve$ ;/ront "nd 1rove ore re$erve$ ;re$ource$4re$ource$4


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a peep intoa peep intothe foreststhe forests

==

eco > sensitiveeco > sensitiveareasareas


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India?s forestIndia?s forest

resourceresource

ConstitutesConstitutes

0: of 0: of


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Geographic

area

328.70

m

ha

Forest

cover

76.0

m ha

!ndia"s

Forest

cover

#$83 %

#$.&0 '

2003 %

#$.3$ '


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In order to e;cavate the ironIn order to e;cavate the iron

ore deposits with &eastore deposits with &east

environmenta& degradation =environmenta& degradation =&east deforestation, the !est&east deforestation, the !est

a&ternative is !ya&ternative is !y UndergroundUndergroundmining+mining+

Options


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ForestsForests


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Concept of undergroundConcept of underground

miningmininga fool proof method !a fool proof method !

Dust

i!rations

%&asting Noise

Spoi& !an$s

.ass&es ofSo&id


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Adv"nt"3e$ o/ under3round inin3Adv"nt"3e$ o/ under3round inin3

Noi$e > i,r"tion$ wou*d ,e con/ined toNoi$e > i,r"tion$ wou*d ,e con/ined tounder3round *oc"tion$under3round *oc"tion$

No 1o**ution due to du$t in tr"n$1ort"tionNo 1o**ution due to du$t in tr"n$1ort"tion

No $1oi* ,"n'$No $1oi* ,"n'$ No de/ore$t"tionNo de/ore$t"tion ?*or" > /"un" c"n ,e "int"ined?*or" > /"un" c"n ,e "int"ined So*id w"$te di$1o$"* wou*d not c"u$e "nSo*id w"$te di$1o$"* wou*d not c"u$e "n

environent"* 1ro,*e$ "$ ,ene/ici"tionenvironent"* 1ro,*e$ "$ ,ene/ici"tionwou*d ,e "w" /ro te /ore$t "re"$wou*d ,e "w" /ro te /ore$t "re"$


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"inera& conservation"inera& conservation

Socio economic deve&opment of theSocio economic deve&opment of the

areaarea /overty a&&eviation/overty a&&eviation

Coe;istence of mining = environmentCoe;istence of mining = environment

Sustaina!&e deve&opment of Nation?sSustaina!&e deve&opment of Nation?s

natura& treasurenatura& treasure

Addition"* Adv"nt"3e$Addition"* Adv"nt"3e$


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C"$e $tud @C"$e $tud @

i3* ec"niBedi3* ec"niBedunder3round iron ore ineunder3round iron ore ine


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"ethod of mining"ethod of mining

Initia&&y !y Open castG su!seuent&yInitia&&y !y Open castG su!seuent&yswitched over toswitched over to UndergroundUnderground

"ethod H"ethod H Su! &eve& CavingSu! &eve& CavingDrifts H Section 8m ; 6mG at 56 mDrifts H Section 8m ; 6mG at 56 m

vertica& interva&svertica& interva&s

Cumu&ative &ength of undergroundCumu&ative &ength of underground

roads J app+ 144 $msroads J app+ 144 $ms

(ing dri&&ing at 9 m to 9+6 m(ing dri&&ing at 9 m to 9+6 m


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Ore Tr"n$1ort"tionOre Tr"n$1ort"tion

, LD$ u1 to te ore 1"$$e$

, driver*e$$ tr"in$ "t "u*"3e *eve*

/ro ore 1"$$e$ to vertic"* ,in$

, $'i1 oi$tin3 /ro under3round to

$ur/"ce


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(river less underground train(river less underground train


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Unmanned

train

Hauling .. 500 tph

Cycle time .. 1 hour

Operation .. 365 days a year


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.eote Contro**ed O1er"tion.eote Contro**ed O1er"tion

To o,vi"te te ri$'$;"B"rd$ o/ u;3 inin3+00 t *o"der$ down te ine o1er"te trou3

revo*vin3 *"$er$ on to1 > re/*ector$ on $ide

w"**$

Lon3er our$ o/ o1er"tion

Mine c"n ,e o1er"ted "t "n tie even

ni3t witout " $in3*e 1er$on ,ein3 down te

ine


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Counic"tionCounic"tion

?i,er o1tic c",*e$ connect 'e

1o$ition$ in te ine vi" /eederc",*e$ @ to oter ,*oc'$4

:"c ,*oc' "$ " ,"$e $t"tion /or

wire*e$$ counic"tion4


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!round

Su11ort


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(oc$ !o&ting in con)unction with(oc$ !o&ting in con)unction with

wire meshwire mesh


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Sotcretin3Sotcretin3


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!unitin3!unitin3


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Pro1o$"* /or Minin3 o/Pro1o$"* /or Minin3 o/

*oc'ed u1*oc'ed u1 M"3netiteM"3netite

Iron ore de1o$it$ inIron ore de1o$it$ inre$erve /ore$t$re$erve /ore$t$"nd"nd

n"tion"* 1"r'$n"tion"* 1"r'$in Indi"in Indi"


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"nd

(amps(ampsShaftShaft

ShaftShaft

."1$S"/t$

Eeve&


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Ender3round Mine Con$tructionEnder3round Mine Con$truction

"ethod of "ine Deve&opment"ethod of "ine Deve&opmentKKDrives-#unne&sDrives-#unne&s

KK(aises(aises

KKOre /assesOre /asses

KKStorage %insStorage %ins

KKUnderground CrushersUnderground CrushersContd:

"ethod of Construction"ethod of ConstructionKKShaftsShafts

KKDec&inesDec&ines


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Ore Tr"n$1ort"tion /ro Mine toOre Tr"n$1ort"tion /ro Mine to

Fene/ici"tion P*"ntFene/ici"tion P*"nt

GG."i* ; .o"d ; Conveor ; Pi1e*ine."i* ; .o"d ; Conveor ; Pi1e*ine

.e$tor"tion.e$tor"tion

GG F"c' ?i**in3 o/ ined out "re"F"c' ?i**in3 o/ ined out "re"

wit T"i*in3$ ; w"$te roc'wit T"i*in3$ ; w"$te roc'

GGCon$truction o/ T"i*in3$ D" ne"rCon$truction o/ T"i*in3$ D" ne"r

Fene/ici"tion P*"ntFene/ici"tion P*"nt

Ender3round Mine Con$tructionEnder3round Mine Con$truction


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S"/t$ ; ."1 Minin3S"/t$ ; ."1 Minin3

Metod o/ under3round inin3 ,Metod o/ under3round inin3 ,

S"/t$ "nd ."1$ ; Dec*ine$ i$S"/t$ "nd ."1$ ; Dec*ine$ i$"*re"d ,ein3 1r"cticed in non-/errou$"*re"d ,ein3 1r"cticed in non-/errou$

et"* ine$ in Indi" e434 CL ECILet"* ine$ in Indi" e434 CL ECIL

etc4etc4


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Conc*u$ionConc*u$ion

E;3 inin3 i$ du$t% noi$ > d"n3erou$ wor'E;3 inin3 i$ du$t% noi$ > d"n3erou$ wor'/or to$e wo de$cend in te d"r' ,owe*$ o//or to$e wo de$cend in te d"r' ,owe*$ o/te e"rt /or winnin3 o/ ore4te e"rt /or winnin3 o/ ore4

Armchair miningArmchair miningwitwit Hte*e-o1er"tion$=Hte*e-o1er"tion$=3u"r"ntee$ ",$o*ute $"/et to u"n *ive$3u"r"ntee$ ",$o*ute $"/et to u"n *ive$no dou,t it "dd$ to te co$t4no dou,t it "dd$ to te co$t4

E;3 inin3 i$ te on* $o*ution in $i3t /orE;3 inin3 i$ te on* $o*ution in $i3t /ore9c"v"tion o/ iron ore ine9c"v"tion o/ iron ore in ecofragi&eecofragi&e "re"$"re"$in Indi"4in Indi"4


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v$)ainLnmdc+co+in

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Ug Mining_NMDC 2008_Asian Mining Congress

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