SE437273B - Forfarande for avlegsnande av fosfor och kveve ur kromhaltigt tackjern - Google Patents

Forfarande for avlegsnande av fosfor och kveve ur kromhaltigt tackjern

Info

Publication number: SE437273B
Authority: SE; Sweden
Prior art keywords: slag; weight; iron; oxides; compound selected
Prior art date: 1979-06-29

Application number

SE8004627A

Other languages

English (en)

Swedish (sv)

Other versions

SE8004627L (sv

Inventor

S Maruhashi

M Hasegawa

T Yamauchi

Original Assignee

Nisshin Steel Co Ltd

Priority date (The priority date 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 date listed.)

1979-06-29

Filing date

1980-06-23

Publication date

1985-02-18

1980-06-23 Application filed by Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd

1980-12-30 Publication of SE8004627L publication Critical patent/SE8004627L/

1985-02-18 Publication of SE437273B publication Critical patent/SE437273B/sv

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)

SE8004627A 1979-06-29 1980-06-23 Forfarande for avlegsnande av fosfor och kveve ur kromhaltigt tackjern SE437273B (sv)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 8004627-9

Effective date: 19920109

Format of ref document f/p: F

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