DD292478A5 - Mittel und verfahren zum entschwefeln von metallschmelzen - Google Patents

Mittel und verfahren zum entschwefeln von metallschmelzen Download PDF

Info

Publication number: DD292478A5
Authority: DD; German Democratic Republic
Prior art keywords: mass; cac; parts; gas; magnesium
Prior art date: 1989-03-13

Application number

DD90338557A

Other languages

German (de)

English (en)

Inventor

Hermann Schroedter

Albert Braun

Harald Scholz

Original Assignee

��@��k��

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.)

1989-03-13

Filing date

1990-03-09

Publication date

1991-08-01

1990-03-09 Application filed by ��@��k�� filed Critical ��@��k��

1991-08-01 Publication of DD292478A5 publication Critical patent/DD292478A5/de

Links

239000000155 melt Substances 0.000 title claims abstract description 12
229910052751 metal Inorganic materials 0.000 title claims abstract description 12
239000002184 metal Substances 0.000 title claims abstract description 12
238000000034 method Methods 0.000 title claims abstract description 9
238000007599 discharging Methods 0.000 title 1
239000003795 chemical substances by application Substances 0.000 claims abstract description 29
239000000203 mixture Substances 0.000 claims abstract description 28
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 20
239000011777 magnesium Substances 0.000 claims abstract description 20
229910052749 magnesium Inorganic materials 0.000 claims abstract description 20
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
230000003009 desulfurizing effect Effects 0.000 claims abstract description 16
239000013078 crystal Substances 0.000 claims abstract description 15
239000000126 substance Substances 0.000 claims abstract description 14
229910052742 iron Inorganic materials 0.000 claims abstract description 9
239000012530 fluid Substances 0.000 claims abstract description 4
239000007789 gas Substances 0.000 claims description 13
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
239000003039 volatile agent Substances 0.000 claims description 3
229910052757 nitrogen Inorganic materials 0.000 claims description 2
229910052756 noble gas Inorganic materials 0.000 claims description 2
150000002835 noble gases Chemical class 0.000 claims description 2
239000000470 constituent Substances 0.000 claims 1
238000006477 desulfuration reaction Methods 0.000 abstract description 9
230000023556 desulfurization Effects 0.000 abstract description 9
150000002739 metals Chemical class 0.000 abstract description 5
239000000292 calcium oxide Substances 0.000 description 21
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 21
229910000805 Pig iron Inorganic materials 0.000 description 12
239000003245 coal Substances 0.000 description 11
239000005997 Calcium carbide Substances 0.000 description 10
CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 10
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
229910052717 sulfur Inorganic materials 0.000 description 6
239000011593 sulfur Substances 0.000 description 6
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 4
239000007788 liquid 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
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
239000003077 lignite Substances 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
230000002411 adverse Effects 0.000 description 1
238000007664 blowing Methods 0.000 description 1
239000011575 calcium Substances 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
229910000514 dolomite Inorganic materials 0.000 description 1
239000010459 dolomite Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000005243 fluidization Methods 0.000 description 1
238000001879 gelation Methods 0.000 description 1
238000007654 immersion Methods 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
239000004571 lime Substances 0.000 description 1
-1 molten iron Chemical class 0.000 description 1
239000002245 particle Substances 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
238000010079 rubber tapping Methods 0.000 description 1
239000000161 steel melt 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
- C21C1/025—Agents used for 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)

DD90338557A 1989-03-13 1990-03-09 Mittel und verfahren zum entschwefeln von metallschmelzen DD292478A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3908071A DE3908071A1 (de)	1989-03-13	1989-03-13	Mittel und verfahren zum entschwefeln von metallschmelzen

Publications (1)

Publication Number	Publication Date
DD292478A5 true DD292478A5 (de)	1991-08-01

Family

ID=6376200

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD90338557A DD292478A5 (de)	1989-03-13	1990-03-09	Mittel und verfahren zum entschwefeln von metallschmelzen

Country Status (9)

Country	Link
US (1)	US4988387A (no)
EP (1)	EP0387580A1 (no)
JP (1)	JPH02282411A (no)
CA (1)	CA2011380A1 (no)
DD (1)	DD292478A5 (no)
DE (1)	DE3908071A1 (no)
NO (1)	NO901142L (no)
PT (1)	PT93412A (no)
ZA (1)	ZA901876B (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5078784A (en) *	1990-03-14	1992-01-07	Elkem Metals Company	Desulfurization agent
US5149364A (en) *	1990-03-14	1992-09-22	Elkem Metals Company	Desulfurization agent
US5358550A (en) *	1992-10-26	1994-10-25	Rossborough Manufacturing Company	Desulfurization agent
DE4242328C2 (de) *	1992-12-15	1995-06-08	Alfred Dipl Ing Dr Freissmuth	Mittel zur Entschwefelung, Entphosphorung, Entsilicierung und Entstickung von Roheisen- und Gußeisenschmelzen
AT406690B (de) *	1994-12-09	2000-07-25	Donau Chemie Ag	Mittel zur behandlung von roheisen- und gusseisenschmelzen zum zweck der entschwefelung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1935567B2 (de) *	1969-07-12	1971-05-13	Knapsack AG, 5033 Hurth Knapsack	Verfahren zur herstellung von calciumkarbid bestimmter qualitaet
US3885956A (en) *	1974-05-21	1975-05-27	Rheinische Kalksteinwerke	Method and composition for the treatment of ferrous melts and process for making the treating composition
DE2907069C3 (de) *	1979-02-23	1981-12-10	Krupp Stahl Ag, 4630 Bochum	Mittel zur Entschwefelung von Metallschmelzen
DE2919324A1 (de) *	1979-05-14	1980-12-04	Hoechst Ag	Entschweflungsmittel fuer roheisen- und stahlschmelzen sowie ein verfahren zu ihrer herstellung
ES497686A0 (es) *	1979-12-29	1981-11-01	Hoechst Ag	Procedimiento para la preparacion de un agente para la de- sulfuracion de masas fundidas metalicas
DE3111510A1 (de) *	1981-03-24	1982-10-07	Hoechst Ag, 6000 Frankfurt	Entschwefelungsgemisch und verfahren zu seiner herstellung
CA1240842A (en) *	1984-05-16	1988-08-23	Heinrich Rellermeyer	Method, process and composition for desulfurizing pig-iron melts
BR8606249A (pt) *	1985-12-17	1987-09-29	Sueddeutsche Kalkstickstoff	Composicao finamente granulada para a dessulfuracao de ferro fundido e processo para sua preparacao
DE3544562C2 (de) *	1985-12-17	1998-07-30	Sueddeutsche Kalkstickstoff	Feinkörniges Mittel zur Entschwefelung von Eisenschmelzen

1989
- 1989-03-13 DE DE3908071A patent/DE3908071A1/de not_active Ceased
1990
- 1990-02-26 EP EP90103671A patent/EP0387580A1/de not_active Withdrawn
- 1990-02-27 US US07/485,960 patent/US4988387A/en not_active Expired - Fee Related
- 1990-03-02 CA CA002011380A patent/CA2011380A1/en not_active Abandoned
- 1990-03-09 DD DD90338557A patent/DD292478A5/de not_active IP Right Cessation
- 1990-03-12 PT PT93412A patent/PT93412A/pt not_active Application Discontinuation
- 1990-03-12 ZA ZA901876A patent/ZA901876B/xx unknown
- 1990-03-12 NO NO90901142A patent/NO901142L/no unknown
- 1990-03-12 JP JP2058239A patent/JPH02282411A/ja active Pending

Also Published As

Publication number	Publication date
CA2011380A1 (en)	1990-09-13
PT93412A (pt)	1990-11-07
ZA901876B (en)	1990-12-28
NO901142D0 (no)	1990-03-12
JPH02282411A (ja)	1990-11-20
NO901142L (no)	1990-09-14
EP0387580A1 (de)	1990-09-19
US4988387A (en)	1991-01-29
DE3908071A1 (de)	1990-09-20

Publication	Publication Date	Title
EP0226994B1 (de)	1990-07-18	Mittel zur Entschwefelung von geschmolzenem Eisen sowie Verfahren zur Herstellung des Mittels
DE2741588C2 (de)	1985-02-07	Mittel zum Entschwefeln von Eisenschmelzen
EP0164592B2 (de)	1991-08-14	Feinkörniges Entschwefelungsmittel für Eisenschmelzen und Verfahren zur Entschwefelung von Roheisenschmelzen
DE69104664T2 (de)	1995-03-02	Zusatzmittel zur Eisenentschwefelung und Verfahren zum Einbringen in Roheisen.
EP0602540B1 (de)	2002-03-06	Mittel zur Entschwefelung, Entphosphorung, Entsilicierung und Entstickung von Roheisen-, Gusseisen-, Ferrochrom- und Ferromanganschmelzen sowie Verfahren
DE3118288C2 (no)	1992-01-02
DD292478A5 (de)	1991-08-01	Mittel und verfahren zum entschwefeln von metallschmelzen
DE2455802C2 (de)	1986-09-11	Zuschlag zur Entschwefelung von Eisen
EP0061012A1 (de)	1982-09-29	Verfahren zur Herstellung eines Entschwefelungsmittels für Roheisen- und Stahlschmelzen
DE2252796C3 (de)	1982-08-12	Entschwefelungsmittel für Roheisen und Ferrolegierungsschmelzen
DE3120138C3 (de)	1994-02-24	Pulverförmiges Entschwefelungsmittel
EP0038417B1 (de)	1984-12-05	Entschwefelungsmittel
DE3022752A1 (de)	1982-01-14	Entschwefelungsmittel
DE2160502A1 (de)	1973-07-05	Verfahren zum frischen von phosphorarmem roheisen zu stahl
DE3544563C2 (de)	1998-07-16	Mittel zur Entschwefelung von geschmolzenem Eisen
DE3544562C2 (de)	1998-07-30	Feinkörniges Mittel zur Entschwefelung von Eisenschmelzen
DE2920353A1 (de)	1980-11-27	Verfahren zur herstellung von entschweflungsmitteln fuer roheisen- oder stahlschmelzen
DE69700665T2 (de)	2000-05-11	Entschwefelnde kalzium-karbidmischung
DE2709062A1 (de)	1978-09-07	Mittel und verfahren zur entschwefelung von eisenschmelzen
EP0031552A1 (de)	1981-07-08	Entschwefelungsmittel und Verfahren zu seiner Herstellung
DE2716457C2 (de)	1985-11-21	Verfahren zum Einblasen von Entschwefelungsgemischen in Eisenschmelzen
EP0166019B1 (de)	1988-10-12	Verfahren zur Entschwefelung von Roheisen
DE3000927C2 (de)	1983-07-21	Entschwefelung von Eisenmetallen
DE30545C (de)		Verfahren zur Herstellung von manganhaltigem Koks
EP0974674B1 (de)	2004-10-06	Verfahren zum Entschwefeln einer Roheisenschmelze

Legal Events

Date	Code	Title	Description
1995-06-22	ENJ	Ceased due to non-payment of renewal fee