SE466350B - Foerfarande foer kontinuerlig rening av raajaern - Google Patents

Foerfarande foer kontinuerlig rening av raajaern

Info

Publication number: SE466350B
Authority: SE; Sweden
Prior art keywords: pig iron; silicon; iron; sulfur; weight
Prior art date: 1985-12-03

Application number

SE8605175A

Other languages

English (en)

Swedish (sv)

Other versions

SE8605175L (sv

SE8605175D0 (sv

Inventor

M Palchetti

S Palella

A Crisafulli

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.)

1985-12-03

Filing date

1986-12-02

Publication date

1992-02-03

1985-12-03 Priority claimed from IT48864/85A external-priority patent/IT1183031B/it

1986-12-02 Application filed by Sviluppo Materiali Spa filed Critical Sviluppo Materiali Spa

1986-12-02 Publication of SE8605175D0 publication Critical patent/SE8605175D0/xx

1987-06-04 Publication of SE8605175L publication Critical patent/SE8605175L/

1992-02-03 Publication of SE466350B publication Critical patent/SE466350B/sv

Links

238000000034 method Methods 0.000 title claims description 12
238000004140 cleaning Methods 0.000 title 1
229910000805 Pig iron Inorganic materials 0.000 claims description 53
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 19
229910052710 silicon Inorganic materials 0.000 claims description 19
239000010703 silicon Substances 0.000 claims description 19
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 14
239000000654 additive Substances 0.000 claims description 14
239000003638 chemical reducing agent Substances 0.000 claims description 14
239000011593 sulfur Substances 0.000 claims description 14
229910052717 sulfur Inorganic materials 0.000 claims description 14
230000009467 reduction Effects 0.000 claims description 13
239000002893 slag Substances 0.000 claims description 13
238000011282 treatment Methods 0.000 claims description 12
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 11
239000011574 phosphorus Substances 0.000 claims description 11
229910052698 phosphorus Inorganic materials 0.000 claims description 11
229910052742 iron Inorganic materials 0.000 claims description 8
230000008569 process Effects 0.000 claims description 8
230000000996 additive effect Effects 0.000 claims description 7
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 6
239000000292 calcium oxide Substances 0.000 claims description 6
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 5
235000013980 iron oxide Nutrition 0.000 claims description 5
VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims description 5
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
238000000746 purification Methods 0.000 claims description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
229910001628 calcium chloride Inorganic materials 0.000 claims description 2
WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 2
229910001634 calcium fluoride Inorganic materials 0.000 claims description 2
238000005259 measurement Methods 0.000 claims description 2
238000000926 separation method Methods 0.000 claims description 2
238000010924 continuous production Methods 0.000 claims 1
238000006243 chemical reaction Methods 0.000 description 6
239000003795 chemical substances by application Substances 0.000 description 6
239000000203 mixture Substances 0.000 description 5
230000000694 effects Effects 0.000 description 3
238000002474 experimental method Methods 0.000 description 3
239000000463 material Substances 0.000 description 3
239000002184 metal Substances 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
238000006477 desulfuration reaction Methods 0.000 description 2
230000023556 desulfurization Effects 0.000 description 2
239000002699 waste material Substances 0.000 description 2
229910000831 Steel Inorganic materials 0.000 description 1
230000009471 action Effects 0.000 description 1
230000008901 benefit Effects 0.000 description 1
-1 between 40 and 70% Inorganic materials 0.000 description 1
230000008859 change Effects 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000010586 diagram Methods 0.000 description 1
239000000428 dust Substances 0.000 description 1
239000003344 environmental pollutant Substances 0.000 description 1
238000005187 foaming Methods 0.000 description 1
230000005484 gravity Effects 0.000 description 1
239000012535 impurity Substances 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
230000001788 irregular Effects 0.000 description 1
239000002245 particle Substances 0.000 description 1
231100000719 pollutant Toxicity 0.000 description 1
238000010079 rubber tapping Methods 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
- C21C1/02—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)
Manufacture And Refinement Of Metals (AREA)

SE8605175A 1985-12-03 1986-12-02 Foerfarande foer kontinuerlig rening av raajaern SE466350B (sv)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT48864/85A IT1183031B (it)	1985-12-03	1985-12-03	Procedimento di depurazione continua ghisa fusa
BR8700294A BR8700294A (pt)	1985-12-03	1987-01-23	Processo para reducao do conteudo de impurezas no ferro gusa

Publications (3)

Publication Number	Publication Date
SE8605175D0 SE8605175D0 (sv)	1986-12-02
SE8605175L SE8605175L (sv)	1987-06-04
SE466350B true SE466350B (sv)	1992-02-03

Family

ID=25664164

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8605175A SE466350B (sv)	1985-12-03	1986-12-02	Foerfarande foer kontinuerlig rening av raajaern

Country Status (12)

Country	Link
US (1)	US4744822A (fr)
JP (1)	JPS62133010A (fr)
AU (1)	AU597861B2 (fr)
BE (1)	BE905858A (fr)
BR (2)	BR8606128A (fr)
CA (1)	CA1297302C (fr)
DE (1)	DE3641216A1 (fr)
FR (1)	FR2590905B1 (fr)
GB (1)	GB2184459B (fr)
LU (1)	LU86689A1 (fr)
NL (1)	NL8603049A (fr)
SE (1)	SE466350B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1200082B (it) *	1985-06-21	1989-01-05	Centro Speriment Metallurg	Procedimento per la desolforazione e la deforsforazione della ghisa
IT1234939B (it) *	1985-12-06	1992-06-02	Centro Speriment Metallurg	Procedimento per la riduzione del contenuto di impurezze nella ghisa

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH523324A (de) *	1970-02-23	1972-05-31	Iwira Internat Srl	Verfahren und Mittel zur Entphosphorung von Eisen- und Stahlschmelzen
RO55785A2 (fr) *	1970-10-08	1974-01-03
US3998625A (en) *	1975-11-12	1976-12-21	Jones & Laughlin Steel Corporation	Desulfurization method
DE3015024C2 (de) *	1980-04-18	1982-12-23	Skw Trostberg Ag, 8223 Trostberg	Entschwefelungsmittel für Roheisen
JPS5713109A (en) *	1980-06-24	1982-01-23	Denki Kagaku Kogyo Kk	Manufacture of dephosphorizing agent for hot iron
DE3367787D1 (en) *	1982-10-16	1987-01-08	Foseco Int	Calcium oxide based flux compositions
FR2558482B1 (fr) *	1984-01-25	1989-10-27	Siderurgie Fse Inst Rech	Procede d'elaboration de l'acier par preaffinage de la fonte
WO1985003525A1 (fr) *	1984-02-04	1985-08-15	Nippon Kokan Kabushiki Kaisha	Dispositif d'extraction des impuretes contenues dans du fer en fusion s'ecoulant d'un four a cuve
JPS60162717A (ja) *	1984-02-04	1985-08-24	Nippon Kokan Kk <Nkk>	溶銑の処理方法
JPS60184613A (ja) *	1984-03-02	1985-09-20	Sumitomo Metal Ind Ltd	溶銑の予備処理方法
IT1234939B (it) *	1985-12-06	1992-06-02	Centro Speriment Metallurg	Procedimento per la riduzione del contenuto di impurezze nella ghisa

1986
- 1986-11-26 LU LU86689A patent/LU86689A1/fr unknown
- 1986-11-27 JP JP61280926A patent/JPS62133010A/ja active Pending
- 1986-11-28 NL NL8603049A patent/NL8603049A/nl not_active Application Discontinuation
- 1986-12-02 FR FR868616798A patent/FR2590905B1/fr not_active Expired - Fee Related
- 1986-12-02 AU AU66009/86A patent/AU597861B2/en not_active Ceased
- 1986-12-02 CA CA000524330A patent/CA1297302C/fr not_active Expired - Lifetime
- 1986-12-02 SE SE8605175A patent/SE466350B/sv not_active IP Right Cessation
- 1986-12-02 GB GB8628802A patent/GB2184459B/en not_active Expired
- 1986-12-03 BR BR8606128A patent/BR8606128A/pt unknown
- 1986-12-03 DE DE19863641216 patent/DE3641216A1/de active Granted
- 1986-12-03 BE BE0/217487A patent/BE905858A/fr not_active IP Right Cessation
- 1986-12-03 US US06/937,363 patent/US4744822A/en not_active Expired - Fee Related
1987
- 1987-01-23 BR BR8700294A patent/BR8700294A/pt unknown

Also Published As

Publication number	Publication date
FR2590905B1 (fr)	1992-07-31
AU6600986A (en)	1987-06-04
GB2184459A (en)	1987-06-24
US4744822A (en)	1988-05-17
SE8605175L (sv)	1987-06-04
BR8700294A (pt)	1988-08-02
SE8605175D0 (sv)	1986-12-02
BR8606128A (pt)	1987-09-22
DE3641216C2 (fr)	1991-08-08
NL8603049A (nl)	1987-07-01
LU86689A1 (fr)	1987-05-04
FR2590905A1 (fr)	1987-06-05
AU597861B2 (en)	1990-06-07
BE905858A (fr)	1987-04-01
CA1297302C (fr)	1992-03-17
JPS62133010A (ja)	1987-06-16
GB8628802D0 (en)	1987-01-07
DE3641216A1 (de)	1987-06-04
GB2184459B (en)	1989-12-28

Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 8605175-2

Effective date: 19930709

Format of ref document f/p: F

Publication	Publication Date	Title
DE69524243T2 (de)	2002-10-17	Vorrichtung und verfahren zur herstellung von blasenkupfer
US3832163A (en)	1974-08-27	Process for continuous smelting and converting of copper concentrates
DE3220609C2 (fr)	1991-04-25
AT407644B (de)	2001-05-25	Verfahren zur schlackenkonditionierung sowie anlage hierzu
DE2941225A1 (de)	1981-04-23	Verfahren und vorrichtung zur pyrometallurgischen gewinnung von kupfer
DE2401540B2 (de)	1975-11-13	Verfahren zum Einschmelzen von Eisenschwamm
JP6816777B2 (ja)	2021-01-20	スラグのフォーミング抑制方法および転炉精錬方法
US4005856A (en)	1977-02-01	Process for continuous smelting and converting of copper concentrates
SE466350B (sv)	1992-02-03	Foerfarande foer kontinuerlig rening av raajaern
KR900001888B1 (ko)	1990-03-26	고온의 용광로에서 유출하는 용선(溶銑)의 성분을 조정하기 위한 방법
EP0676478A1 (fr)	1995-10-11	Procédé pour la production du fer en fonte
US6042632A (en)	2000-03-28	Method of moderating temperature peaks in and/or increasing throughput of a continuous, top-blown copper converting furnace
SE466264B (sv)	1992-01-20	Foerfarande foer saenkning av foeroreningshalten i raajaern
Swayn et al.	1993	Applying ausmelt processing to complex copper smelter dusts
DE2010872A1 (de)	1971-09-16	Verfahren zur pyrometallurgischen Behandlung von sulfidischen Eisenerzen oder Eisenerzkonzentraten
GB1574974A (en)	1980-09-17	Blast furnace and a process for recovering noble metals
EP4696792A1 (fr)	2026-02-18	Procédé de fusion de cuivre
EP1984526A1 (fr)	2008-10-29	Chaux vive conditionnee pour injection dans un bain en fusion d'une cuve de fabrication de l'acier
DE2006945A1 (en)	1971-09-02	Cyclone refining of iron sulphide ores and concentrates
JP3787960B2 (ja)	2006-06-21	溶融還元製錬方法
Ingalls	1906	Lead smelting and refining: with some notes on lead mining
JPS643931B2 (fr)	1989-01-24
COLLINS	1893	SMELTING PROCESSES FOR THE EXTRACTION OF SILVER AND GOLD FROM THEIR ORES.(INCLUDING APPENDIX AND PLATE AT BACK OF VOLUME).
PL160447B1 (pl)	1993-03-31	Sposób przerobu koncentratów miedzi w piecu szybowym na kamień miedziowy
JPH0649909B2 (ja)	1994-06-29	粗銅の精製方法及び装置