SE466264B - Foerfarande foer saenkning av foeroreningshalten i raajaern - Google Patents

Foerfarande foer saenkning av foeroreningshalten i raajaern

Info

Publication number: SE466264B
Authority: SE; Sweden
Prior art keywords: pig iron; weight; silicon; iron; phosphorus content
Prior art date: 1985-12-06

Application number

SE8605239A

Other languages

English (en)

Swedish (sv)

Other versions

SE8605239L (sv

SE8605239D0 (sv

Inventor

M Palchetti

Original Assignee

Sviluppo Materiali Spa

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.)

1985-12-06

Filing date

1986-12-05

Publication date

1992-01-20

1986-12-05 Application filed by Sviluppo Materiali Spa filed Critical Sviluppo Materiali Spa

1986-12-05 Publication of SE8605239D0 publication Critical patent/SE8605239D0/xx

1987-06-07 Publication of SE8605239L publication Critical patent/SE8605239L/

1987-11-30 Priority to CA000553075A priority Critical patent/CA1284742C/fr

1992-01-20 Publication of SE466264B publication Critical patent/SE466264B/sv

Links

238000000034 method Methods 0.000 title claims description 16
238000004140 cleaning Methods 0.000 title description 2
230000002265 prevention Effects 0.000 title 1
229910000805 Pig iron Inorganic materials 0.000 claims description 33
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 18
229910052710 silicon Inorganic materials 0.000 claims description 18
239000010703 silicon Substances 0.000 claims description 18
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 17
239000011574 phosphorus Substances 0.000 claims description 17
229910052698 phosphorus Inorganic materials 0.000 claims description 17
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 15
239000000654 additive Substances 0.000 claims description 14
239000003638 chemical reducing agent Substances 0.000 claims description 10
230000009467 reduction Effects 0.000 claims description 10
239000000292 calcium oxide Substances 0.000 claims description 9
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 9
230000000996 additive effect Effects 0.000 claims description 8
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 7
229910001628 calcium chloride Inorganic materials 0.000 claims description 2
230000000694 effects Effects 0.000 claims description 2
238000005259 measurement Methods 0.000 claims description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 4
239000000377 silicon dioxide Substances 0.000 claims 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims 1
229910001634 calcium fluoride Inorganic materials 0.000 claims 1
239000000356 contaminant Substances 0.000 claims 1
238000010924 continuous production Methods 0.000 claims 1
239000000203 mixture Substances 0.000 description 7
239000002893 slag Substances 0.000 description 7
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
235000013980 iron oxide Nutrition 0.000 description 6
239000003795 chemical substances by application Substances 0.000 description 4
238000002474 experimental method Methods 0.000 description 3
229910052742 iron Inorganic materials 0.000 description 3
VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 3
238000010079 rubber tapping Methods 0.000 description 3
235000008733 Citrus aurantifolia Nutrition 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
235000011941 Tilia x europaea Nutrition 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
238000013461 design Methods 0.000 description 2
239000004571 lime Substances 0.000 description 2
239000000463 material Substances 0.000 description 2
229910004261 CaF 2 Inorganic materials 0.000 description 1
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
239000001110 calcium chloride Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
239000000428 dust Substances 0.000 description 1
239000010436 fluorite Substances 0.000 description 1
230000005484 gravity Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000012545 processing Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
229910001948 sodium oxide Inorganic materials 0.000 description 1
239000010959 steel Substances 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
- C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

SE8605239A 1985-12-06 1986-12-05 Foerfarande foer saenkning av foeroreningshalten i raajaern SE466264B (sv)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000553075A CA1284742C (fr)	1986-12-05	1987-11-30	Dispositif sur ensemble de roulage pour machine agricole

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT8548889A IT1234939B (it)	1985-12-06	1985-12-06	Procedimento per la riduzione del contenuto di impurezze nella ghisa

Publications (3)

Publication Number	Publication Date
SE8605239D0 SE8605239D0 (sv)	1986-12-05
SE8605239L SE8605239L (sv)	1987-06-07
SE466264B true SE466264B (sv)	1992-01-20

Family

ID=11268923

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8605239A SE466264B (sv)	1985-12-06	1986-12-05	Foerfarande foer saenkning av foeroreningshalten i raajaern

Country Status (14)

Country	Link
US (1)	US4741771A (fr)
JP (1)	JPS62164809A (fr)
AT (1)	AT399343B (fr)
AU (1)	AU597211B2 (fr)
BE (1)	BE905860A (fr)
CA (1)	CA1300895C (fr)
DE (1)	DE3641215A1 (fr)
FR (1)	FR2591232B1 (fr)
GB (1)	GB2184134B (fr)
IN (1)	IN164870B (fr)
IT (1)	IT1234939B (fr)
LU (1)	LU86700A1 (fr)
NL (1)	NL8603117A (fr)
SE (1)	SE466264B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
LU86689A1 (fr) *	1985-12-03	1987-05-04	Centro Speriment Metallurg	Procede d'epuration continue de fonte en fusion
KR101053999B1 (ko) *	2008-12-30	2011-08-03	주식회사 포스코	용선을 이용한 비정질 합금의 제조 방법

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1759347A (en) *	1928-02-18	1930-05-20	Mathieson Alkali Works	Iron refining
US2049004A (en) *	1930-11-12	1936-07-28	John W Flannery	Art of refining metals
FR987114A (fr) *	1949-03-30	1951-08-09	Commentry Fourchambault Et Dec	Procédé de traitement des fontes brutes hypereutectiques pour modifier leur composition et leurs propriétés et fontes ainsi obtenues
US3396010A (en) *	1965-09-16	1968-08-06	Northwest Olivine Company	Slag conditioner
US3929464A (en) *	1973-08-31	1975-12-30	Union Carbide Corp	Desulfurization of molten ferrous metals
US3944195A (en) *	1974-01-08	1976-03-16	Buell Eugene F	Apparatus for feeding granular material to a steel bath
US3998625A (en) *	1975-11-12	1976-12-21	Jones & Laughlin Steel Corporation	Desulfurization method
JPS565910A (en) *	1979-06-29	1981-01-22	Nisshin Steel Co Ltd	Dephosphorizing method of pig iron containing chromium
AU6823981A (en) *	1980-03-21	1981-10-15	Nippon Steel Corporation	Multi-stage steel making
JPS59104412A (ja) *	1982-12-06	1984-06-16	Kobe Steel Ltd	溶銑の脱珪脱燐方法
FR2558482B1 (fr) *	1984-01-25	1989-10-27	Siderurgie Fse Inst Rech	Procede d'elaboration de l'acier par preaffinage de la fonte
JPS60162717A (ja) *	1984-02-04	1985-08-24	Nippon Kokan Kk <Nkk>	溶銑の処理方法
EP0172913B1 (fr) *	1984-02-04	1990-03-07	Nippon Kokan Kabushiki Kaisha	Procede et dispositif d'extraction des impuretes contenues dans du fer en fusion s'ecoulant d'un four a cuve
JPS60184613A (ja) *	1984-03-02	1985-09-20	Sumitomo Metal Ind Ltd	溶銑の予備処理方法
IT1200082B (it) *	1985-06-21	1989-01-05	Centro Speriment Metallurg	Procedimento per la desolforazione e la deforsforazione della ghisa
JPS6210205A (ja) *	1985-07-05	1987-01-19	Sumitomo Metal Ind Ltd	溶銑の予備処理方法および装置
LU86689A1 (fr) *	1985-12-03	1987-05-04	Centro Speriment Metallurg	Procede d'epuration continue de fonte en fusion

1985
- 1985-12-06 IT IT8548889A patent/IT1234939B/it active
1986
- 1986-12-03 DE DE19863641215 patent/DE3641215A1/de not_active Ceased
- 1986-12-03 BE BE905860A patent/BE905860A/fr unknown
- 1986-12-04 LU LU86700A patent/LU86700A1/fr unknown
- 1986-12-04 FR FR868616972A patent/FR2591232B1/fr not_active Expired - Fee Related
- 1986-12-05 SE SE8605239A patent/SE466264B/sv unknown
- 1986-12-05 CA CA000524678A patent/CA1300895C/fr not_active Expired - Lifetime
- 1986-12-05 JP JP61289084A patent/JPS62164809A/ja active Pending
- 1986-12-05 AT AT0324486A patent/AT399343B/de not_active IP Right Cessation
- 1986-12-08 NL NL8603117A patent/NL8603117A/nl not_active Application Discontinuation
- 1986-12-08 US US06/939,403 patent/US4741771A/en not_active Expired - Fee Related
- 1986-12-08 GB GB8629277A patent/GB2184134B/en not_active Expired
- 1986-12-09 IN IN898/CAL/86A patent/IN164870B/en unknown
- 1986-12-17 AU AU66636/86A patent/AU597211B2/en not_active Ceased

Also Published As

Publication number	Publication date
SE8605239L (sv)	1987-06-07
AU597211B2 (en)	1990-05-24
IN164870B (fr)	1989-06-24
GB2184134A (en)	1987-06-17
AT399343B (de)	1995-04-25
US4741771A (en)	1988-05-03
AU6663686A (en)	1987-08-27
IT8548889A0 (it)	1985-12-06
CA1300895C (fr)	1992-05-19
FR2591232B1 (fr)	1992-07-31
IT1234939B (it)	1992-06-02
JPS62164809A (ja)	1987-07-21
GB2184134B (en)	1989-12-28
SE8605239D0 (sv)	1986-12-05
GB8629277D0 (en)	1987-01-14
DE3641215A1 (de)	1987-06-11
LU86700A1 (fr)	1987-05-04
ATA324486A (de)	1994-09-15
BE905860A (fr)	1987-04-01
NL8603117A (nl)	1987-07-01
FR2591232A1 (fr)	1987-06-12

Legal Events

Date

Code

Title

Description

1995-01-31

NAL

Patent in force

Ref document number: 8605239-6

Format of ref document f/p: F

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