Page 41 - Steel Tech India eMagazine Volume October 2020
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81. Ŗ 01 Ŗ 1EVQDGT
OGVJQFU ECTDQP TGOQXCN KU UNKIJVN[ HCUVGT YKVJ 4* RTGUGPVGF KP (KIWTG
FGICUUKPI EQORCTGF YKVJ VJG ECTDQP TGOQXCN TCVG 6QVCN UVCVKQP VKOG XCEWWO UVCVKQP VKOG FWTKPI
YKVJ XCEWWO VCPM FGICUUKPI VGEJPQNQI[ VJG PCVWTG QH RTQFWEVKQP QH +( ITCFGU UJCNN DG QRVKOK\GF HQT VJGUG
RTQEGUU OGCPU VJCV UVTQPIGT DCVJ CIKVCVKQP KU RQUUKDNG TGCUQPU
FWG VQ VJG RTGUGPEG QH JKIJGT HTGGDQCTF IKXGP D[ VJG
VCNN 4* XGUUGN CU YGNN CU ECTDQP RKEMWR OCKPN[ HTQO 6Q TGFWEG EQPVTQN ECTDQP RKEM WR
NCFNG TGHTCEVQT[ ECWUGF D[ UVTQPI EQPVCEV DGVYGGP UVGGN 5RKPGN V[RG KPENWUKQPU EQPVTQN
CPF NCFNG TGHTCEVQT[ KP 86& FGECTDWTK\CVKQP RTQEGUU
+PVGTUVKVKCN (TGG +( UVGGNU JCXG FKHHGTGPV ECTDQP %CTDQP EQPVGPV DGNQY RRO CV VJG GPF XCEWWO VCPM
EQPVGPV TG SWKTGOGPVU HTQO VQ RRO #RRNKECVKQP FGICUUKPI YKVJ YKVJQWV QZ[IGP NCPEG CRRNKECVKQP
QH 4* QT 86& VGEJPQNQI[ YKNN DG DCUGF QP RTQF WEV OKZ KU CNTGCF[ EQPſTOGF 4CY OCVGTKCN SWCNKV[ KPENWFKPI
ITCFGU RCTVKEKRCVKQP QH WNVTC NQY ECTDQP RRO QH SWCNKV[ QH NCFNG TGHTCEVQT[ OCVGTKCN HQT WNVTC NQY ECTDQP
ECTDQP QP CP CPPWCN DCUKU XGTUWU PKVTQIGP TGOQXCN ITCFGU OWUV DG EQPVTQNNGF VQ TGFWEG CU OWEJ CU
ECRCDKNKV[ CU GZRNCKPGF CDQXG XGTUWU TWPPKPI EQUVU RQUUKDNG ECTDQP RKEM WR CHVGT XCEWWO VCPM FGICUUKPI
+V KU YGNN MPQYP VJCV VJG QRGTCVKPI EQUV HQT VJG 4* $CUGF QP TGUWNVU HTQO FKHHGTGPV CRRNKECVKQPU GZRGEVGF
RTQEGUU KU OWEJ JKIJGT OCKPN[ FWG VQ JKIJGT TGHTCEVQT[ ECTDQP RKEM WR RGT FKHHGTGPV V[RGU QH TGHTCEVQT[ OCVGTKCN
EQPUWORVKQP CPF XGT[ JKIJ UVGCO KP C ECUG QH UVGCO ECTDQP EQPVGPV KP TGHTCEVQT[ OCVGTKCN HTQO VQ
GLGEVQT RWORU QT GNGEVTKECN GPGTI[ EQPUWORVKQP KP KU KP C TCPIG QH RRO 5COG ECTDQP RKEM WR KU
C ECUG QH OGEJCPKECN XCEWWO FT[ RWORU *QYGXGT EQPſTOGF YKVJ OCP[ CWVJQTU
DCUGF QP &CPKGNKŏU UWOOCTK\GF YKVJ RTQFWEVKQP QH WNVTC /CIPGUKWO CNWOKPCVG KPENWUKQPU CTG C URGEKſE URKPGN
NQY ECTDQP ITCFGU YKVJ XCEWWO VCPM FGICUUKPI VJG EQORQWPF YKVJ CNWOKPWO CPF OCIPG UKWO CU VJG
RTQEGUU QH ECTDQP TGOQXCN DGNQY RRO QH ECTDQP KU respective cations and oxygen as the anion. They
Fig.6: Natural decarburization (vacuum tank degassing process) – Danieli simulation for a 160-t heat size based on
evaluated results from similar projects
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