BE494952A - - Google Patents

Info

Publication number

BE494952A

BE494952A BE494952DA BE494952A BE 494952 A BE494952 A BE 494952A BE 494952D A BE494952D A BE 494952DA BE 494952 A BE494952 A BE 494952A

Authority

BE

Belgium

Prior art keywords

oxygen

bath

nitrogen

wind

addition

Prior art date

Links

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• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 38
• 229910052760 oxygen Inorganic materials 0.000 claims description 31
• 239000001301 oxygen Substances 0.000 claims description 31
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 30
• 238000000034 method Methods 0.000 claims description 28
• 229910000831 Steel Inorganic materials 0.000 claims description 24
• 239000010959 steel Substances 0.000 claims description 24
• 238000007670 refining Methods 0.000 claims description 21
• 229910052742 iron Inorganic materials 0.000 claims description 19
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
• 238000007664 blowing Methods 0.000 claims description 9
• 229910052799 carbon Inorganic materials 0.000 claims description 9
• 238000004519 manufacturing process Methods 0.000 claims description 9
• 238000005266 casting Methods 0.000 claims description 8
• 238000013021 overheating Methods 0.000 claims description 4
• 238000001816 cooling Methods 0.000 claims description 3
• 229910001018 Cast iron Inorganic materials 0.000 claims description 2
• 229910045601 alloy Inorganic materials 0.000 claims description 2
• 239000000956 alloy Substances 0.000 claims description 2
• 238000005096 rolling process Methods 0.000 claims description 2
• IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 59
• 229910052757 nitrogen Inorganic materials 0.000 description 30
• 238000010521 absorption reaction Methods 0.000 description 6
• 238000002485 combustion reaction Methods 0.000 description 6
• OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
• 229910052698 phosphorus Inorganic materials 0.000 description 5
• 239000011574 phosphorus Substances 0.000 description 5
• 238000005261 decarburization Methods 0.000 description 3
• 229910001208 Crucible steel Inorganic materials 0.000 description 2
• MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
• 230000002411 adverse Effects 0.000 description 2
• 230000007423 decrease Effects 0.000 description 2
• 239000000155 melt Substances 0.000 description 2
• 238000012545 processing Methods 0.000 description 2
• 230000005070 ripening Effects 0.000 description 2
• 229910052710 silicon Inorganic materials 0.000 description 2
• 239000010703 silicon Substances 0.000 description 2
• 239000002893 slag Substances 0.000 description 2
• 238000012360 testing method Methods 0.000 description 2
• XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
• 230000002159 abnormal effect Effects 0.000 description 1
• 230000001133 acceleration Effects 0.000 description 1
• 238000005275 alloying Methods 0.000 description 1
• 230000005540 biological transmission Effects 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 230000001010 compromised effect Effects 0.000 description 1
• 239000000470 constituent Substances 0.000 description 1
• 239000002826 coolant Substances 0.000 description 1
• 238000007872 degassing Methods 0.000 description 1
• 238000004090 dissolution Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 230000002349 favourable effect Effects 0.000 description 1
• 239000012467 final product Substances 0.000 description 1
• 235000000396 iron Nutrition 0.000 description 1
• WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
• 238000005259 measurement Methods 0.000 description 1
• 238000002844 melting Methods 0.000 description 1
• 230000008018 melting Effects 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 230000003647 oxidation Effects 0.000 description 1
• 238000007254 oxidation reaction Methods 0.000 description 1
• 150000002926 oxygen Chemical class 0.000 description 1
• 230000036284 oxygen consumption Effects 0.000 description 1
• 239000000047 product Substances 0.000 description 1
• 238000011160 research Methods 0.000 description 1
• 238000009628 steelmaking Methods 0.000 description 1
• 239000000126 substance Substances 0.000 description 1