SE437273B - Forfarande for avlegsnande av fosfor och kveve ur kromhaltigt tackjern - Google Patents
Forfarande for avlegsnande av fosfor och kveve ur kromhaltigt tackjernInfo
- Publication number
- SE437273B SE437273B SE8004627A SE8004627A SE437273B SE 437273 B SE437273 B SE 437273B SE 8004627 A SE8004627 A SE 8004627A SE 8004627 A SE8004627 A SE 8004627A SE 437273 B SE437273 B SE 437273B
- Authority
- SE
- Sweden
- Prior art keywords
- slag
- weight
- iron
- oxides
- compound selected
- Prior art date
Links
- 229910052698 phosphorus Inorganic materials 0.000 title claims description 70
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims description 65
- 239000011574 phosphorus Substances 0.000 title claims description 65
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 50
- 238000000034 method Methods 0.000 title claims description 27
- 229910052742 iron Inorganic materials 0.000 title claims description 25
- 239000002893 slag Substances 0.000 claims description 92
- 150000001875 compounds Chemical class 0.000 claims description 48
- 229910000805 Pig iron Inorganic materials 0.000 claims description 35
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 32
- 238000007254 oxidation reaction Methods 0.000 claims description 27
- 230000003647 oxidation Effects 0.000 claims description 25
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 11
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 11
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 10
- 235000013980 iron oxide Nutrition 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims description 9
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 9
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 9
- 230000002829 reductive effect Effects 0.000 claims description 9
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 8
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 8
- 150000001339 alkali metal compounds Chemical class 0.000 claims description 7
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 7
- -1 compounds lithium oxide Chemical class 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 230000036961 partial effect Effects 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 229910001947 lithium oxide Inorganic materials 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 150000001805 chlorine compounds Chemical class 0.000 claims 3
- 150000002222 fluorine compounds Chemical class 0.000 claims 3
- 230000001629 suppression Effects 0.000 claims 2
- 239000000428 dust Substances 0.000 claims 1
- 239000011651 chromium Substances 0.000 description 58
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- 239000000292 calcium oxide Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 10
- 229910052681 coesite Inorganic materials 0.000 description 9
- 229910052906 cristobalite Inorganic materials 0.000 description 9
- 229910052682 stishovite Inorganic materials 0.000 description 9
- 229910052905 tridymite Inorganic materials 0.000 description 9
- 230000009931 harmful effect Effects 0.000 description 8
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 7
- 229910001634 calcium fluoride Inorganic materials 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000000470 constituent Substances 0.000 description 7
- 239000000377 silicon dioxide Substances 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000014509 gene expression Effects 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 229910004261 CaF 2 Inorganic materials 0.000 description 3
- 229910018068 Li 2 O Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000003841 chloride salts Chemical class 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 150000004673 fluoride salts Chemical class 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 235000014380 magnesium carbonate Nutrition 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 229910015188 B2O5 Inorganic materials 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 240000005561 Musa balbisiana Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 235000021015 bananas Nutrition 0.000 description 1
- 239000011822 basic refractory Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical compound O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/02—Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8128579A JPS565910A (en) | 1979-06-29 | 1979-06-29 | Dephosphorizing method of pig iron containing chromium |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8004627L SE8004627L (sv) | 1980-12-30 |
SE437273B true SE437273B (sv) | 1985-02-18 |
Family
ID=13742095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8004627A SE437273B (sv) | 1979-06-29 | 1980-06-23 | Forfarande for avlegsnande av fosfor och kveve ur kromhaltigt tackjern |
Country Status (6)
Country | Link |
---|---|
US (1) | US4290803A (de) |
JP (1) | JPS565910A (de) |
DE (1) | DE3024308C2 (de) |
FR (1) | FR2460336A1 (de) |
GB (1) | GB2057015B (de) |
SE (1) | SE437273B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58151416A (ja) * | 1982-03-03 | 1983-09-08 | Sumitomo Metal Ind Ltd | クロムを含む溶融鉄合金の脱燐・脱硫方法 |
JPS5947349A (ja) * | 1982-09-09 | 1984-03-17 | Sumitomo Metal Ind Ltd | クロムを含む溶融鉄合金の脱燐・脱硫方法 |
JPS59211519A (ja) * | 1983-05-18 | 1984-11-30 | Nisshin Steel Co Ltd | 低p含クロム鋼の製造法 |
IT1234939B (it) * | 1985-12-06 | 1992-06-02 | Centro Speriment Metallurg | Procedimento per la riduzione del contenuto di impurezze nella ghisa |
JP2684113B2 (ja) * | 1989-07-08 | 1997-12-03 | 日新製鋼株式会社 | 含クロム溶銑の脱りん法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3172756A (en) * | 1965-03-09 | Process of dephosphorizing pig iron | ||
US2333741A (en) * | 1942-09-29 | 1943-11-09 | Electro Metallurg Co | Manufacture of cast iron |
US2504802A (en) * | 1944-09-27 | 1950-04-18 | Westinghouse Electric Corp | Brazing flux |
FR1062328A (fr) * | 1951-08-30 | 1954-04-21 | Procédé pour la déphosphoration de métaux, par exemple de la fonte et ins?ons pour la mise en oeuvre de ce procédé | |
US3179540A (en) * | 1963-05-21 | 1965-04-20 | Asinovskaja Gnesja Abramovna | Flux for soldering and low-temperature soldering-welding of cast iron by brass solders |
FR2096985A7 (en) * | 1970-07-23 | 1972-03-03 | Eurossid | Desulphurisation and dephosphorisation of ferrous metal - - by direct addn to melt in casting ladle |
US3942977A (en) * | 1975-03-24 | 1976-03-09 | Foote Mineral Company | Process for making iron or steel utilizing lithium containing material as auxiliary slag formers |
US3998624A (en) * | 1975-10-06 | 1976-12-21 | Mercier Corporation | Slag fluidizing agent and method of using same for iron and steel-making processes |
JPS5910974B2 (ja) * | 1976-03-03 | 1984-03-13 | 新日本製鐵株式会社 | 溶銑の脱燐方法 |
FR2366365A1 (fr) * | 1976-09-30 | 1978-04-28 | Sumitomo Metal Ind | Procede de dephosphoration de la fonte liquide |
-
1979
- 1979-06-29 JP JP8128579A patent/JPS565910A/ja active Pending
-
1980
- 1980-06-13 US US06/159,097 patent/US4290803A/en not_active Expired - Lifetime
- 1980-06-20 GB GB8020243A patent/GB2057015B/en not_active Expired
- 1980-06-23 SE SE8004627A patent/SE437273B/sv not_active IP Right Cessation
- 1980-06-25 FR FR8014091A patent/FR2460336A1/fr active Granted
- 1980-06-27 DE DE3024308A patent/DE3024308C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3024308C2 (de) | 1983-08-11 |
GB2057015A (en) | 1981-03-25 |
FR2460336A1 (fr) | 1981-01-23 |
SE8004627L (sv) | 1980-12-30 |
FR2460336B1 (de) | 1984-05-04 |
US4290803A (en) | 1981-09-22 |
DE3024308A1 (de) | 1981-02-26 |
GB2057015B (en) | 1983-01-12 |
JPS565910A (en) | 1981-01-22 |
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Legal Events
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