JPH044388B2 - - Google Patents

Info

Publication number

JPH044388B2

JPH044388B2 JP58174156A JP17415683A JPH044388B2 JP H044388 B2 JPH044388 B2 JP H044388B2 JP 58174156 A JP58174156 A JP 58174156A JP 17415683 A JP17415683 A JP 17415683A JP H044388 B2 JPH044388 B2 JP H044388B2

Authority

JP

Japan

Prior art keywords

oxygen

blowing means

molten metal

blowing

blown

Prior art date

1983-09-22

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired - Lifetime

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• 238000007664 blowing Methods 0.000 claims description 71
• 229910052760 oxygen Inorganic materials 0.000 claims description 53
• 239000001301 oxygen Substances 0.000 claims description 53
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 50
• 229910052751 metal Inorganic materials 0.000 claims description 43
• 239000002184 metal Substances 0.000 claims description 43
• 229910052799 carbon Inorganic materials 0.000 claims description 41
• 239000011572 manganese Substances 0.000 claims description 34
• 229910000616 Ferromanganese Inorganic materials 0.000 claims description 31
• DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 31
• 229910052748 manganese Inorganic materials 0.000 claims description 29
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 27
• 238000006243 chemical reaction Methods 0.000 claims description 23
• 238000000034 method Methods 0.000 claims description 23
• 239000002893 slag Substances 0.000 claims description 22
• AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 12
• 229910000720 Silicomanganese Inorganic materials 0.000 claims description 11
• 238000007670 refining Methods 0.000 claims description 9
• 238000004519 manufacturing process Methods 0.000 claims description 8
• MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 7
• 238000005261 decarburization Methods 0.000 claims description 7
• 229910001882 dioxygen Inorganic materials 0.000 claims description 7
• 239000011261 inert gas Substances 0.000 claims description 6
• 229910052710 silicon Inorganic materials 0.000 claims description 5
• 239000010703 silicon Substances 0.000 claims description 4
• 229910052782 aluminium Inorganic materials 0.000 claims description 3
• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
• 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 2
• PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 27
• 230000003647 oxidation Effects 0.000 description 12
• 238000007254 oxidation reaction Methods 0.000 description 12
• ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 10
• XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
• IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
• 239000000047 product Substances 0.000 description 8
• 238000003723 Smelting Methods 0.000 description 7
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
• 230000008569 process Effects 0.000 description 6
• 239000000292 calcium oxide Substances 0.000 description 5
• 235000012255 calcium oxide Nutrition 0.000 description 5
• 238000007796 conventional method Methods 0.000 description 5
• 239000007789 gas Substances 0.000 description 5
• CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
• 229910052786 argon Inorganic materials 0.000 description 4
• 230000004907 flux Effects 0.000 description 4
• 238000002844 melting Methods 0.000 description 4
• 230000008018 melting Effects 0.000 description 4
• 239000000203 mixture Substances 0.000 description 4
• 229910052757 nitrogen Inorganic materials 0.000 description 4
• 239000002994 raw material Substances 0.000 description 4
• 238000003756 stirring Methods 0.000 description 4
• 239000011449 brick Substances 0.000 description 3
• 239000010459 dolomite Substances 0.000 description 3
• 229910000514 dolomite Inorganic materials 0.000 description 3
• 238000001704 evaporation Methods 0.000 description 3
• 230000008020 evaporation Effects 0.000 description 3
• CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
• ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
• 229910002091 carbon monoxide Inorganic materials 0.000 description 2
• 239000003638 chemical reducing agent Substances 0.000 description 2
• 239000012467 final product Substances 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 2
• 229910052742 iron Inorganic materials 0.000 description 2
• 239000000395 magnesium oxide Substances 0.000 description 2
• VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
• 230000036284 oxygen consumption Effects 0.000 description 2
• 239000010802 sludge Substances 0.000 description 2
• VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
• 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
• 241000556720 Manga Species 0.000 description 1
• 229910004298 SiO 2 Inorganic materials 0.000 description 1
• 241001062472 Stokellia anisodon Species 0.000 description 1
• 235000011941 Tilia x europaea Nutrition 0.000 description 1
• 239000001569 carbon dioxide Substances 0.000 description 1
• 229910002092 carbon dioxide Inorganic materials 0.000 description 1
• 239000003575 carbonaceous material Substances 0.000 description 1
• 230000008859 change Effects 0.000 description 1
• 229910052804 chromium Inorganic materials 0.000 description 1
• 239000011651 chromium Substances 0.000 description 1
• 230000000052 comparative effect Effects 0.000 description 1
• 239000002826 coolant Substances 0.000 description 1
• 239000000112 cooling gas Substances 0.000 description 1
• 238000005262 decarbonization Methods 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 230000005611 electricity Effects 0.000 description 1
• -1 high Substances 0.000 description 1
• 239000012535 impurity Substances 0.000 description 1
• 239000004615 ingredient Substances 0.000 description 1
• 238000002347 injection Methods 0.000 description 1
• 239000007924 injection Substances 0.000 description 1
• 239000004571 lime Substances 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
• 239000000155 melt Substances 0.000 description 1
• 238000012544 monitoring process Methods 0.000 description 1
• 239000003345 natural gas Substances 0.000 description 1
• 230000001590 oxidative effect Effects 0.000 description 1
• 239000001294 propane Substances 0.000 description 1
• 230000009467 reduction Effects 0.000 description 1
• 210000000582 semen Anatomy 0.000 description 1
• 239000000377 silicon dioxide Substances 0.000 description 1
• 239000004575 stone Substances 0.000 description 1
• 239000002912 waste gas Substances 0.000 description 1