Page 48 - Steel Tech India eMagazine Volume October 2020
P. 48
81. Ŗ 01 Ŗ 1EVQDGT
EQPXGTVGT KU VCMGP FQYP QPEG C [GCT HQT ECRKVCN TGRCKT
YJGP VJG NKPKPI OCVGTKCN KU TGRNCEGF +PVGTOGFKCVG UNCI
URNCUJKPI VGEJPQNQI[ KU WUGF YJGTG TGUKFWCN UNCI HTQO
VJG UVGGNOCMKPI RTQEGUU KU WUGF VQ EQCV VJG KPPGT
UWTHCEG QH VJG EQPXGTVGT CPF KORTQXGU VJG NKPKPI NKHG
# NCFNG JQYGXGT JCU CP CXGTCIG NKPKPINKHG QH
JGCVU CPF TGSWKTGU TGNKPKPI GXGT[ OQPVJ
#PQVJGT CTGC YJGTG TGHTCEVQT[ KU WUGF CTG VJG TGJGCVKPI
HWTPCEGU WUGF HQT JGCVKPI VJG UNCDU DNQQOU CPF DKNNGVU
DGHQTG TQNNKPI VJGO VQ ſPKUJGF RTQFWEVU (QT TGJGCVKPI
HWTPCEGU #N 5K TGHTCEVQT[ OCVGTKCNU CTG WUGF EQPVCKPKPI
CNWOKPC
4.4 Electric Arc Furnace (EAF)
(KI UJQYU VJG XKGY QH CP '#( &GRGPFKPI QP VJG
QRGTCVKPI EQPFKVKQPU C XCTKGV[ QH TGHTCEVQT[ OCVGTKCNU
CTG WUGF KP VJG FKHHGTGPV RCTVU QH VJG '#( 6JG TQQH QH
VJG CTE HWTPCEG WUGU JKIJ CNWOKPC DTKEMU EQPVCKPKPI
#N 1 YJKEJ KU EJCTCEVGTK\GF D[ JKIJ
TGHTCEVQTKPGUU VJGTOCN UJQEM TGUKUVCPEG IQQF UNCI
Fig.2: Cross sectional view of a BOF converter
TGUKUVCPEG CPF JKIJ EQORTGUUKXG UVTGPIVJ 6JG HWTPCEG
YCNN KU FKXKFGF KPVQ IGPGTCN HWTPCEG YCNN UNCI NKPG CTGC
VJG ETQUU UGEVKQP QH C NCFNG 6JG FKHHGTGPV V[RGU QH
TGHTCEVQTKGU WUGF KP VJG NCFNG CTG CU HQNNQYU CPF JQV URQV PGCT VJG CTE 6JG OCKP HWTPCEG YCNN WUGU
/I1 % DTKEMU #TE HWTPCEG YCNNU YKVJ WNVTC JKIJ RQYGT
5NCI NKPG /I1 % DTKEMU YKVJ % QT UOGNVKPI URGEKCN UVGGN TGSWKTGU OCIPGUKC EJTQOG
5KFGYCNN /CIPGUKC #PVK QZKFCPVU ITCRJKVG #/) DTKEMU 5NCI NKPG CTGC CPF JQV URQV TGSWKTGU TGHTCEVQT[
/CIPGUKC CNWOKPC ECTDQP /#% /I1 % NKPKPI OCFG HTQO ITCRJKVG QT JKIJ SWCNKV[ HWUGF .%
OCIPGUKC 6JG JGCTVJ QH CP '#( EQORTKUG VCT RKVEJ
$QVVQO #/) QT /I1 % DTKEM DQPFGF OCIPGUKC DTKEM CU YQTMKPI NKPKPI FGCF DWTPV
6JG NKPKPI NKHG QH C $1( XCTKGU HTQO JGCVU OCIPGUKC DTKEM CU RGTOCPGPV NKPKPI CPF C RTQVGEVKXG
FGRGPFKPI QP VJG TGHTCEVQT[ WUGF CPF HTGSWGPE[ QH TCOOKPI OCUU QH JKIJ %C1 (G1 FT[ /I1 6JG VCR JQNG
KPVGTOGFKCVG TGRCKTU CPF OCKPVGPCPEG 7UWCNN[ C KU WUWCNN[ NKPGF YKVJ TGUKP DQPFGF /I1 % DTKEMU
Fig.3: Cross sectional view of a steel ladle
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