BE423235A - - Google Patents

Info

Publication number

BE423235A

BE423235A BE423235DA BE423235A BE 423235 A BE423235 A BE 423235A BE 423235D A BE423235D A BE 423235DA BE 423235 A BE423235 A BE 423235A

Authority

BE

Belgium

Prior art keywords

slag

thomas

siemens

martin

steel

Prior art date

Links

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• 239000002893 slag Substances 0.000 claims description 73
• 238000000034 method Methods 0.000 claims description 62
• 230000008569 process Effects 0.000 claims description 57
• 229910000831 Steel Inorganic materials 0.000 claims description 23
• 239000010959 steel Substances 0.000 claims description 23
• 239000007788 liquid Substances 0.000 claims description 22
• 229910052717 sulfur Inorganic materials 0.000 claims description 17
• NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 16
• 239000011593 sulfur Substances 0.000 claims description 16
• 238000007670 refining Methods 0.000 claims description 12
• 238000004519 manufacturing process Methods 0.000 claims description 10
• 229910052710 silicon Inorganic materials 0.000 claims description 9
• 229910000805 Pig iron Inorganic materials 0.000 claims description 8
• 239000010703 silicon Substances 0.000 claims description 8
• 229910052751 metal Inorganic materials 0.000 claims description 5
• 239000002184 metal Substances 0.000 claims description 5
• 230000000717 retained effect Effects 0.000 claims description 2
• 230000008719 thickening Effects 0.000 claims description 2
• 239000012530 fluid Substances 0.000 claims 1
• 230000005070 ripening Effects 0.000 claims 1
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
• 238000007664 blowing Methods 0.000 description 15
• OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 14
• 229910052698 phosphorus Inorganic materials 0.000 description 14
• 239000011574 phosphorus Substances 0.000 description 14
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
• 238000002844 melting Methods 0.000 description 10
• 230000008018 melting Effects 0.000 description 10
• 239000000377 silicon dioxide Substances 0.000 description 8
• 235000008733 Citrus aurantifolia Nutrition 0.000 description 7
• XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
• 235000011941 Tilia x europaea Nutrition 0.000 description 7
• 239000004571 lime Substances 0.000 description 7
• 229910052742 iron Inorganic materials 0.000 description 6
• 229910001018 Cast iron Inorganic materials 0.000 description 5
• 238000007792 addition Methods 0.000 description 4
• 230000008901 benefit Effects 0.000 description 4
• 239000000945 filler Substances 0.000 description 4
• 239000007787 solid Substances 0.000 description 4
• 230000004907 flux Effects 0.000 description 3
• 229910052748 manganese Inorganic materials 0.000 description 3
• 239000011572 manganese Substances 0.000 description 3
• 239000002699 waste material Substances 0.000 description 3
• 238000003723 Smelting Methods 0.000 description 2
• 239000002253 acid Substances 0.000 description 2
• 238000006477 desulfuration reaction Methods 0.000 description 2
• 230000023556 desulfurization Effects 0.000 description 2
• 230000004927 fusion Effects 0.000 description 2
• 238000009434 installation Methods 0.000 description 2
• 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 2
• 239000000203 mixture Substances 0.000 description 2
• 238000002360 preparation method Methods 0.000 description 2
• 230000009467 reduction Effects 0.000 description 2
• KRQUFUKTQHISJB-YYADALCUSA-N 2-[(E)-N-[2-(4-chlorophenoxy)propoxy]-C-propylcarbonimidoyl]-3-hydroxy-5-(thian-3-yl)cyclohex-2-en-1-one Chemical compound CCC\C(=N/OCC(C)OC1=CC=C(Cl)C=C1)C1=C(O)CC(CC1=O)C1CCCSC1 KRQUFUKTQHISJB-YYADALCUSA-N 0.000 description 1
• 235000019738 Limestone Nutrition 0.000 description 1
• PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
• 238000006679 Martin dehydration reaction Methods 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
• 239000000920 calcium hydroxide Substances 0.000 description 1
• 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
• 235000011116 calcium hydroxide Nutrition 0.000 description 1
• 238000005266 casting Methods 0.000 description 1
• 230000008859 change Effects 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 239000011248 coating agent Substances 0.000 description 1
• 238000000576 coating method Methods 0.000 description 1
• 229910052681 coesite Inorganic materials 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 229910052906 cristobalite Inorganic materials 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 235000000396 iron Nutrition 0.000 description 1
• 239000006028 limestone Substances 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 150000002739 metals Chemical class 0.000 description 1
• 238000000746 purification Methods 0.000 description 1
• 235000012239 silicon dioxide Nutrition 0.000 description 1
• DHNUAKOQUGJUGA-UHFFFAOYSA-N silicon;sulfane Chemical compound [Si].S DHNUAKOQUGJUGA-UHFFFAOYSA-N 0.000 description 1
• 238000007711 solidification Methods 0.000 description 1
• 230000008023 solidification Effects 0.000 description 1
• 229910052682 stishovite Inorganic materials 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 229910052905 tridymite Inorganic materials 0.000 description 1