IS 4023: Methods for the determination of reactivity of coke

15 Pages·1991·1.5 MB·English

by  Bureau of Indian Standards

इंटरनेट मानक
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timely dissemination of this information in an accurate manner to the public.
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“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 4023 (1991): Methods for the determination of reactivity
of coke [PCD 7: Solid Mineral Fuels]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”

IS 4023:1991

Indian Standard
METHODS FOR THE DETERMINATION OF
REACTIVITY OF COKE
( First Revision )
UDC 662~749.3 : 543.878

@ BIS 1991
BURIEAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
June 1991 Price Group 4
diloS lareniM sleuF lanoitcaS ,eettimmoC PCD 7
FOREWORD
sihT naidnI dradnatS ( tsriF noisiveR ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht
tfard dezilanif yb eht diloS lareniM sleuF lanoitceS eettimmoC had neeb devorppa yb eht ,muelorteP
laoC and detaleR stcudorP noisiviD .licnuoC
ytivitcaeR fo ekoc ot nobrac edixoid ( ytivitcaer-yxobrac ,) maets ( ytivitcaer-ordyh ,) negyxo ( -yxo
ytivitcaer ) and sulphur ( ytivitcaer-oiht ) has neeb deiduts ni liated and eht ecnatropmi fo ytivitcaer
ot sresu fo ekoc is won ylediw .detaicerppa tI is elbaborp that eht suoirav seitivitcaer denimreted ni
eht yrotarobal no small ekoc selcitrap era ton yltcirts detalerroc ot eht ruoivaheb fo pmul ekoc ni gas
,srecudorp salopuc and blast ,secanruf as suoirav rehto srotcaf osla trexe rieht .ecneulfni ,revewoH a
nosirapmoc fo eht ytivitcaer as denimreted ni eht yrotarobal fo a rebmun fo samples fo tnereffid
seitivitcaer fo ,ekoc shows rehtehw a ralucitrap ekoc is evitcaer ni nosirapmoc ot eht srehto rednu ralimis
.snoitidnoc ehT rotcaf gniwohs eht tsetaerg noitalerroc htiw ytivitcaer rednu lacitnedi snoitidnoc fo
noitazinobracerp and noitazinobrac sraeppa ot eb eht egareva knar fo eht tnerap slaoc as derusaem yb
rieht egareva ecnatcelfer ro elitalov rettam tnetnoc no a yrd basis.
sihT standard sebircserp sdohtem fo tset rof ytivitcaer fo ekoc ni a evisneherpmoc rennam nierehw )a(
ytivitcaer fo ekoc ot ria [ osla dellac lacitirc ria blast ( BAC ) 1, and )b( ytivitcaer fo ekoc ot nobrac
edixoid ( RCO, ) era tlaed .htiw ehT lanoitceS eettimmoC elbisnopser rof noitaraperp fo this standard
tlef that eht dohtem rof noitanimreted fo lamreht eulav fo selitalov is ton yrev laitnesse and ecneh
eht emas has neeb dedulcxe morf this .noisrev
lacitirC ria blast ( BAC ) is eht muminim etar fo ria blast hcihw lliw maintain noitsubmoc fo ylesolc
dedarg leuf ni an detingi deb fo deificeps .snoisnemid ehT erom evitcaer eht ,ekoc eht rewol is its BAC
.eulav
ytivitcaeR fo ekoc ot nobrac edixoid ( RCOI ) is detoned yb eht emulov ni sertilillim fo nobrac -onom
edix ( at lamron erutarepmet and erusserp ) demrof morf 100 lm fo nobrac edixoid osla( at lamron -met
erutarep and erusserp ) no passing hguorht a deificeps nmuloc fo detaeh ekoc rednu standard .snoitidnoc
ehT erom evitcaer eht ,ekoc eht rehgih is its RCO, .eulav ,ylevitanretA eht egatnecrep ssol retfa
noitcaer fo ekoc htiw nobrac edixoid is denokcer as ekoc ytivitcaer xedni ( CR1 .) ehT ekoc htgnerts
retfa noitcaer is osla derusaem ot evig eht CSR .eulav

nI eht noitalumrof fo this standard, eud egathgiew has neeb nevig OL lanoitanretni noitanidro-oc
gnoma eht standards and secitcarp gniliaverp ni tnereffid seirtnuoc ni noitidda ot gnitaler ti ot eht
secitcarp ni eht dleif ni this .yrtnuoc
nI gnitroper eht tluser fo a tset edam ni ecnadrocca htiw this standard, fi eht lanif ,eulav is ot eb
dednuor ,ffo ti shall eb enod ni ecnadrocca htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav
( revised )‘.
i
:.32IXSI 1991
Indian-Standard
- _
METHO~SFORTHEDETERMINATION~F-
REACTIVITYOFCOKE
(F,i rst Revision )
1 EPOCS is desolc at eht rehto dne yb a rebbur reppots
hcihw seirrac a acilis ro gnitsiser-taeh glass
1.1 sihT standard sebircserp eht sdohtem fo
ebut fo 5 ot 6 mm lanretni retemaid tneb at
tset rof ytivitcaer fo ,ekoc ,yleman )a( ytivitcaer
thgir .selgna
fo ekoc ot ria [ lacitirc ria blast ( BAC ) 1,
)b( ytivitcaer fo ekoc ot nobrac edixoid ( RCO% ) 3.2.2 Metal Gauge Disk
ro ekoc ytivitcaer xedni ( .TRC ,) and )c( ekoc
htgnerts retfa noitcaer ( CSR :) edaM morf eriw htolc gnivah erutrepa fo 425
ot 600 snorcim ot tif edisni eht noitsubmoc
2 SECNEREFER rebmahc and tser no eht lugs ro .snoitatnedni
ehT gniwollof naidnI Standards era yrassecen
stcnujda ot this standard: 3.2.3 Heating Element
IS No. Title A lacirdnilyc emarf fo insulating and taeh -tsiser
gni lairetam fo 50 mm edistuo ,retemaid 39 mm
266 : 1977 ciruhpluS dica ( second lanretni retemaid and 20 mm ,gnol dessecer os
revision ) as ot tser no eht pot fo eht noitsubmoc rebmahc
436 sdohteM fo sampling fo laoc ( .giF 1 .) ehT retemaid fo eht ssecer shall eb
( traP 2 ) : 1965 and ekoc : traP 2 gnilpmaS fo 1 ot 4 mm retaerg than that fo eht noitsubmoc
ekoc ( revised ) .rebmahc ehT gnitaeh ,eriw hcihw shall eb fo
0.3 mm retemaid ssenkciht muimorhc-lekcin
1070 : 1977 retaW rof lareneg yrotarobal ecnatsiser eriw dedlew at its sdne ot 9-O mm
esu ( second revision) ssenkciht sdael fo eht emas .yolla tI shall eb
1314 : 1984 muiclaC edirolhc ( second dnuow yllacileh dnuor and detroppus yb evif
acilis ,sdor 2.5 & 0.25 mm edistuo ,retemaid
revision )
gnittif otni seloh dellird hguorht eht walls fo
3 NOITANIMRETED FO LACITIRC AIR eht .emarf ehT ecnatsiser fo eht eriw ( nehw
TSALB wen ,) as derusaem neewteb eht sdael ton -deecxe

gni 50 mm ni ,htgnel shall eb neewteb 38 ot
3.1 eniltuO fo eht dohteM
40 .smho ehT pot fo eht emarf shall eb dessecer
ot yletamixorppa 46 mm retemaid and 3 mm
nI a standard yllacirtcele detaeh noitsubmoc
peed ot ekat a nialecrop ro ztrauq disk htiw at
rebmahc pass yrd ria at eht etar fo 4.2 nim/l
tsael 50 seloh fo retemaid neewteb 2 and
( ro 0.004 2 nim/sm ) revo a deb fo dedarg ekoc
llit a wolg .sraeppa nehW eht ekoc is ylluf 0.5 .mm
detingi eht etar fo passing ria is decuder ot a
detceleserp eulav rof setunim and neht desiar ot 3.2.4 Air Control System
eht lanigiro eulav ot tpmetta .noitaticsuser sihT
riA yam eb deilppus morf a rednilyc fo -moc
erudecorp is detaeper htiw hserf snoitrop fo
desserp ria ro yltcerid morf a .rosserpmoc nI
eht ekoc htiw rehto setar fo ria wolf litnu eht
eht rettal ,esac a egral riovreser dluohs eb -ni
lacitirc eulav is .dnuof
dedulc ot ‘damp tuo snoitaslup and a retlif ot
3.2 Apparatus evomer lio mist, fi .yrassecen ehT etar fo ria
wolf hguorht eht apparatus is dellortnoc yb a
3.2.1 Combustion Chamber eldeen evlav ro wercs pilc decalp retfa emos
mrof fo erusserp ,rotaluger hcus as a retaw laes
tI stsisnoc fo a ,tnerapsnart desuf acilis ro -taeh
( up ot 30 mc peed ) ro a gas .ronrevog
gnitsiser glass ebut 20 mc ,gnol gnivah lanretni
retemaid fo 40 f 1 mm and wall ssenkciht fo
1 ot 2 .mm tI is dedivorp htiw eerht no-desuf 3.2.5 Measurement of Air Flow
lugs, ro ,snoitatnedni no eht edisni fo eht wall ehT gniwollof era .elbatius
fo eht ebut 35 ot 41 mm morf eno .dne A -noc
suounit enil shall eb dekram dnuor eht -mucric 3.2.5.1 owT wolf ,sretem eno denilcni elbapac fo
ecneref 10 ot 12 mm morf eht emas .dne tI gnirusaem wolf setar up ot 2.8 nim/l ( ro
1
SI 1991:3204
200-O 8 nim/3m ) htiw an ycarucca fo 0.30 3.2.5.6
Funnel
nim/l ( ro OOO*O 30 nim/am ) and eht rehto ot
daer 4.5 nim/l ( ro 0.004 5 .nimjsm roF gnigrahc eht ,leuf edam yb gnillor a teehs fo
repap ro latem liof otni a enoc gnivah an teltuo
3.2.5.2 An denilcni yrallipac wolf ,eguag a gas
eht xepa fo 9.5 ot 12.5 mm .retemaid
retem 2.0 nim/l ( ro 0.002 nim/am ) and a at
elbatius .retemonam
3.2.5.7
Former
A lacipyt wolf margaid rof tnemerusaem fo ria
,wolf ,cte is nwohs ni .giF 2. fO ,kroc tlef derevoc doow ro ,muinimula fo a
retemaid ylthgils less than that fo eht -submoc
3.2.5.3 Dome noit ,rebmahc
A emod fo gnitsiser-taeh glass, 51f57 mm
lanretni retemaid and 190 f 10 mm hgih 3.3 Sample Preparation
( .giF 3A .)
ehT ekoc desu rof eht noitanimreted fo lacitirc
ria blast is eht elpmas fo ,ekoc dedarg ot pass
a 1.18 mm SI eveis and ot eb deniater no 600
norcim SI ,eveis nekat and deraperp gnidrocca
ot SI 436 ( traP 2 ) : 1965. ehT ekoc shall eb
deird ni a wollahs yart ni an ria nevo at 105°C
ot 110°C and deveiser no a norcim-006 SI eveis
yletaidemmi erofeb .esu
3.4 Procedure
3.4.1 elbmessA eht apparatus as nwohs ni .giF 2
and 3. eraperP eht ekoc deb yb gniruop eht
deveiser yrd ekoc no eht deb ,troppus hguorht
eht ,lennuf hcihw shall eb devomer dnuora os
as ot mrof a esool and ylmrofinu dekcap .deb
ehT thgieh fo eht lennuf evoba eht leuf deb
shall eb hcus that eht eerf llaf fo eht selcitrap
seoit ton deecxe 5 .mm lliF eht noitsubmoc
rebmahc htiw leuf up ot eht .enil htoomS eht
ecafrus fo eht deb htiw eht ,remrof os -upinam
detal as ot llor eht selcitrap revo eht ecafrus
than ot sserp meht ni .noitisop elbmessaeR eht
apparatus and kcehc rof .skael

3.4.2 teS eht ria blast at 4.2 nim/l ( ro 0.004 2

ms,min ,) hctiws no eht tnerruc and adjust ti
os that eht taeh dissipated is neewteb 175 and
185 watts. eunitnoC gnitaeh litnu eht gniwolg
enoz has daerps yllaitnatsbus ot all parts fo eht
yrehpirep fo eht deb .ecafrus At this ,enatsni
hctiws ffo eht tnerruc and ecuder eht blast etar
SECTION XX
ot a eulav hcihw is thguoht ot eb ylthgils evoba
All dimensions in millimetres.
eht lacitirc ( etoN 1 .) eunitnoC passing ria at
FIG. 1 DETERMINATION OF CRITICAL AIR this etar rof 20 ,setunim and esaercni eht etar
BLAST - HEATING ELEMENT ot 4.5 nim/l ro( 0.004 5 .nim/am eunitnoC at this
A ,ebut fo ralimis lairetam and d -nemi etar rof 20 setunim ro llit noitaticsuser .srucco
3.2.5.4
,snois desolc at its reppu dne htiw a rebbur fI noitaticsuser sekat ,ecalp taeper eht tset using
reppots gniyrrac eht ria telni ebut ( .giF B3 .) ylevissergorp rewol ria blast ,etar htiw a hserf
ehT rewol dne fo rehtie is desolc htiw a rebbur noitrop fo elpmas rof hcae wen ,etar litnu a etar
reppots hcihw seirrac eht noitsubmoc ,rebmahc is dnuof at hcihw on noitaticsuser .srucco
brass ro reppoc ,sdael 3.17 mm ,retemaid rof ,ylralimiS enimreted eht ria blast etar at hcihw
making noitcennoc htiw eht sdael fo gnitaeh noitaticsuser just srucco ( etoN 2 .)
tnemelr and eht ria telni ebut ni eht esac
fo 3.2.5.3. NOTES
deniatbo
1 A rough estimate of the CAB may be
3.2.5.5
Drying tower from the time required for ignition.
mc hgih and 50 mm ni retemaid htiw ralubut
25 2 Obsewations are made easier by screening the
mottob dellif htiw gnitacidni-fles acilis .leg combustion chamber from direct lighting,
2

i
SI 3204 X991:
INCLINED FLOW METER
PU TO 0.002Sm’ /min
EXCESS AIR ii_S’vll METER
CONTROL O.OOC2 m’ /min
FIG. 2 TYPICALF LOW DIAGRAM FORM EASURINGAIR WOLF NI NOITANIMRETED FO
LACITIRC AIR TSALB
-PORCELAIN DISK-
CMETAL Ghm DISK--/II II IllC~o~1-4

1 -+-WASTE GASES \-----f+WAS GASES
3A Bottom telnI 83 poT telnI
A11 snoisnemid ni .sertemillim
.GIF 3 NOITANIMRETED FO LACITIRC AIR TSALB - EVITANRETLA SEILBMESSA FO DOME AND
NOITSUBMOC REBMAHC
nI this ,yaw niatbo owt setar fo ria blast hcihw V - ria blast ,etar at hcihw noitaticsuser
reffid yb ton erom than 0.05 nim/l ( ro 0.000 05 srucco ( nim/lk fo yrd ria ;)
nim/3m ) and era hcus that noitaticsuser srucco = ria erutarepmet ( “C ;) and
T
htiw eno tub ton htiw eht .rehto ehT BAC is retemaid fo noitsubmoc rebmahc
d =
that eulav at hcihw noitaticsuser .srucco
.)mm(
3.5 noitaluclaC
4 NOITANIMRETED FO YTIVITCAER FO
lacitirC riA tsalB, ( BAC ) (-= ~~~‘~~) d nehw
EKOC OT CARBON EDIXOID
ria is derusaem yb wolf retem 4.0 owT sdohtem rof noitanimreted fo -itcaer
erehw ytiv fo ekoc ot nobrac edixoid evah neeb
cirehpsomta erusserp ( mm gH ;) ,debircserp ,yleman dohteM A and dohteM .B
P =
3
i
1991
46 402x:
4.1 dohteM A tfel rednu erusserp fo negortin whilst htob eht
ecanruf and noitcaer ebut era gnieb .delooc
4.1.0 tI osla selbane eht lollagoryp wash noitulos ot
Outline of the Method
eb degnahc tuohtiw gnibrutsid rehto parts fo
A standard noitcaer ,ebut gniniatnoc dedarg eht apparatus.
ekoc ,elpmas is detaeh morf moor erutarepmet
ot eht deificeps noitcaer .erutarepmet retfA 4.1.2.5 Marriot bottle
attaining standard ,snoitidnoc 100 lm fo nobrac
gniniatnoC detartnecnoc muisengam edirolhc
edixoid is passed at a etinifed etar hguorht eht
noitulos rof gnillepxe nobrac edixoid at a -snoc
ekoc deb and eht emulov fo nobrac edixonom
tant etar fo wolf otni eht edis .ebut sihT elttob
demrof is derusaem ot evig eht ytivitcaer .eulav
is dettif htiw a yrallipac ria ebut and a tej os
4.1.1 degnarra that ti sreviled yletamixorppa 5 lm fo
Standard Conditions
gas rep .etunim ehT tej is detcennoc ot eht
ehT standard snoitidnoc ot eb deniatniam rof elttob yb snaem fo a tneb glass ebut and a trohs
eht noitanimreted fo ytivitcaer fo ekoc shall eb htgnel fo rebbur .gnibut yB tnemevom fo eht tej
as :swollof ni eht gnibut eht daeh fo diuqil nac eb deirav
and eht etar fo wolf deretla ( ees etoN .)
)a e&arepmeT fo ekoc 950 f 2°C
ETON - sihT dohtem fo noitairav sah neeb dnuof
)b etaR fo passage fo 5 lm rep etunim ot eb hcum reisae ot lortnoc naht a pat decalp ni eht
edixoid-nobrac .metsys
)c emuloV fo nobrac 100 lm 4.1.2.6 Reaction tube furnace
edixoid ot eb pas-
gnivaH a ,ebut 30 mc ni htgnel and 5 mc ni
des rof hcae -reted
ni lanretni ,retemaid and dnuow no eht edistuo
noitanim
htiw emorhcin eriw os that a mrofinu -arepmet
)d htgneL fo nmuloc fo 7.5 mc erut fo 950 * 2°C thgim eb deniatta at tsael
ekoc ni noitcaer hguorht a htgnel fo 8 mc ni eht elddim .noitrop
ebut ( htiw -omreht ehT noitcaer ebut is edam fo .acilis A notsip fo
elpuoc ni noitisop ) etitaets just sedils otni eht acilis ebut and a
regnol acilis yrallipac ,ebut osla a sliding ,tif is
)e eziS fo ekoc neewteB %0 and deruces ot eht acilis htaehs yb a gnikcap fo
1.2 mm sotsebsa ro .rhugleseik ehT elohw ylbmessa is
dettif otni eht noitcaer ebut yb snaem fo eht
f ) lamroN erutarepmet 0°C ( K°372 )
rebbur bung gniniatnoc owt seloh eno ( lartnec )
)g lamroN erusserp 760 mm gH 067( x rof eht ,htaehs and eht rehto rof eht small
133.322 )am/N cirohpsohp edixo .ebut On eht edistuo fo eht
noitcaer ebut eerht senil era drawn ( htiw cirref
4.1.2
Apparatus, edirolhc noitulos ) at secnatsid fo 3.75 ,mc 7 mc
ehT gnikrow tnemegnarra fo eht apparatus is and 7.5 mc morf eht erauqs redluohs erehw eht
detartsulli ni giF 4. ehT pu-tes stsisnoc fo eht yrallipac snioj eht main ,ebut ( ees etoN .) ehT
rehto dne fo eht noitcaer ebut is a acilis -lipac
gniwollof main .stneutitsnoc
yral 7 ot 8 mm lanretxe retemaid and 1.5 mm
4.1.2.1 ,erob denioj ot eht regral ebut htiw a erauqs
Preheater furnace
.redluohs
deniatniaM at 600 f 2°C and gniniatnoc
reppoc rof gnivomer yna negyxo ni eht gases NOTE - ehT mark at 3’75 mc setacidni eht noitisop
and gnitaeherp roirp ot gniretne eht noitcaer fo eht pit fo eht .elpuocomreht
.ebut
4.1.2.7 Thermocouples
4.1.2.2 Gas washers edaM fo muidohr-munitalp and ,munitalp and
dedivorp htiw elbatius retemtlovillim rof -moc
,owT eno gniniatnoc enilakla lollagoryp noitulos
gnitup .erutarepmet ehT elpuocomreht puorg is
and eht rehto detartnecnoc ciruhplus .dica
tliub dnuor eht acilis elpuocomreht htaehs
tuoba 5 mm ni lanretxe .retemaid
4.1.2.3
Gas driers
4.1.2.8
,eerhT gniniatnoc detartnecnoc ciruhplus ,dica Nitrometer
muiclac edirolhc and cirohpsohp edixo -cepser detcennoC ot eht acilis yrallipac hguorht a
.ylevit yaw-eerht tap rof gnitcelloc and gnirusaem eht
emulov fo nobrac edixonom .demrof
4.1.2.4
Reservoir
4.1.2.9
gniniatnoC detartnecnoc ciruhplus dica and Kipp’s apparatus
degnarra os that eht elohw apparatus nac eb roF gnicudorp nobrac .edixoid
,, ”i I
4
i