Page 39 - Steel Tech India eMagazine Volume October 2020
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81. Ŗ 01 Ŗ 1EVQDGT
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UVCKPNGUU UVGGN RTQFWEVKQP WPFGT XCEWWO
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T $CUGF QP UVGCO GLGEVQT RWORU YKVJ QT YKVJQWV
YCVGT TKPI RWORU UVCIGU
T $CUGF QP OGEJCPKECN XCEWWO RWORU
Ŗ 'SWKROGPV CRRNKECVKQP
T 5VCPFCTF 2WOR 5[UVGO QPG VCPM WPFGT XCEWWO
QVJGT VCPM U CV CVOQURJGTKE RTGU UWTG
T 5OCTV 2WOR 5[UVGO DQVJ VCPMU WPFGT XCEWWO
YKVJ QPG RWOR U[UVGO 6JKU UQNW VKQP YJKNG
MGGRKPI VJG %CR'Z TGCUQPCDN[ NQY KU CRRNKECDNG
HQT UVCKPNGUU UVGGN RTQFWEVKQP VQ TGFWEG VQVCN UVCVKQP
VKOG CPF VQ KPETGCUG OGNV UJQR RTQFWEVKXKV[ QT HQT
7.% RTQFWEVKQP KP ECUG QH C XGT[ UJQTV VCR VQ VCR
VKOG HTQO RTKOCT[ HWTPCEG 6JKU EQPſIWTCVKQP KU
CNTGCF[ EQPſTOGF KP RTQFWEVKQP QH UWRGT HGTTKVKE
T 5OCTV 2WOR 5[UVGO 2TG GXCEWCVKQP KV KU
RQUUKDNG VQ RTG GXCEWCVG VJG UWEVKQP NKPG VQ
ETGCVG XCEWWO KP VJG RCTV QH UWEVKQP NKPG NQECVGF
DGVYGGP VJG XCEWWO RWOR CPF VJG OCKP UJWV QHH Fig. 1: Danieli reference with different vacuum tank
degassing applications
XCNXG YJKNG KP VJG QVJGT VCPM QH C VYKP VCPM 8&
UVCVKQP VJGTG KU CP QPIQKPI XCEWWO VTGCVOGPV /$. VQ VJG ICU DQWPFCT[ NC[GT )$. %JGOKECN
6JG RWTRQUG QH VJKU 5OCTV 2WOR EQPſIWTCVKQP KU TGCEVKQP HQTOCVKQP QH OQNGEWNCT PKVTQIGP CV VJG
VQ TGFWEG VKOG DGVYGGP VYQ EQPUGEWVKXG JGCVU /$. )$. KPVGT HCEG
CPF VQ KPETGCUG OGNV UJQR WVKNK\CVKQP JCXKPI Ŗ 6TCPURQTV FKHHWUKQP QH 0 OQNGEWNGU KP )$.
JKIJGT OGNV UJQR RTQFWEVKXKV[ YJKNG MGGRKPI VJG 2
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2
Removal of non-metallic residuals elements 6JG TGOQXCN TCVG HQT PKVTQIGP ECP DG FGUETKDGF D[ C
ſTUV QTFGT FKHHGTGPVKCN GSWCVKQP
9JGP CTIQP KU RWTIGF KPVQ OQNVGP UVGGN VJG ICU DWDDNGU
UVCTV TKUKPI KP VJG OGNV CPF ITCFWCNN[ ſPF VJGKT YC[ QWV
VQ VJG XCEWWO CVOQURJGTG &WTKPI VJKU OQXGOGPV
FKUUQNXGF PKVTQIGP CPF QT J[FTQIGP FKHHWUG U KPVQ
VJG CTIQP DWDDNGU HTQO VJG UWTTQWPFKPI OQNVGP DCVJ 9JGTG = 0? KU VJG EQPEGPVTCVKQP QH PKVTQIGP KP VJG UVGGN
&GRGPFKPI QP VJG TCVG QH FKHHWUKQP DWDDNGU RKEM WR M KU VJG OCUU VTCPUHGT EQGHſEKGPV M KU VJG FGPUKV[ QH VJG
FKUUQNXGF ICU GU CEEQTFKPI VQ VJG NCYU QH VJGTOQ UVGGN #GH KU VJG GHHGEVKXG TGCEVKQP CTGC CPF = 0? eq. is
F[PCOKE GSWKNKDTKWO DGHQTG NGCXKPI VJG OGNV *QYGXGT VJG VJGQTGVKECN GSWKNKDTKWO EQPVGPV QH PKVTQIGP
VJG TCVG QH FGICUUKPI YKNN FGRGPF DCUKECNN[ QP VJG TCVG 6JG GHHGEVKXG TGCEVKQP CTGC KU KPƀWGPEGF D[ VJG
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VJG XCEWWO RTGU UWTG CDQXG VJG OQNVGP DCVJ 6JG GNGOGPVU
RQUUKDNG UVGRU KP VTCPURQTV QH PKVTQIGP HTQO VJG DWNM QH
VJG OQNVGP UVGGN VQ VJG DWNM QH ICUGQWU RJCUG OC[ DG %QPEGTPKPI UYKVEJKPI HTQO $1( VQ '#( RTQEGUU
listed as TQWVG VJG UVCTVKPI PKVTQIGP NGXGN KP VJG NKS WKF UVGGN VQ
DG EQPUKFGTGF HQT VJG UGEQPFCT[ OGVCNNWTI[ UVCVKQPU
Ŗ 6TCPURQTV QH CVQOKE FKUUQNXGF PKVTQIGP =0? HTQO VJG KU FGRGPFKPI QP VJG '#( EJCTIG OKZ CPF RTQEGUU
DWNM OGVCN VQ VJG OGVCN DQWPFCT[ NC[GT /$.
OCPCIGOGPV UNKIJVN[ VQ EQPUKFGTCDN[ JKIJGT EQORCTGF
Ŗ 6TCPURQTV QH VJG FKUUQNXGF PKVTQIGP =0? VJTQWIJ VJG VQ VJG $1( TQWVG CPF VJG TGOQXCN QH PKVTQIGP HTQO
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