DK550880A - Fremgangsmaade til fremstilling af afsvovlingsmidler til raajern eller staalsmelter - Google Patents

Fremgangsmaade til fremstilling af afsvovlingsmidler til raajern eller staalsmelter

Info

Publication number: DK550880A
Authority: DK; Denmark
Prior art keywords: calcium oxide; mixture; steel melts; rajar; sulfuring
Prior art date: 1979-12-29

Application number

DK550880A

Other languages

English (en)

Other versions

DK151569B (da

DK151569C (da

Inventor

A Braun

W Portz

G Strauss

H M Delhey

Original Assignee

Hoechst Ag

Bochum Ag

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.)

1979-12-29

Filing date

1980-12-23

Publication date

1981-06-30

1980-12-23 Application filed by Hoechst Ag, Bochum Ag filed Critical Hoechst Ag

1981-06-30 Publication of DK550880A publication Critical patent/DK550880A/da

1987-12-14 Publication of DK151569B publication Critical patent/DK151569B/da

1988-05-30 Application granted granted Critical

1988-05-30 Publication of DK151569C publication Critical patent/DK151569C/da

Links

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
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
- C21C7/0645—Agents used for dephosphorising or desulfurising

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Treatment Of Steel In Its Molten State (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Carbon And Carbon Compounds (AREA)
Coating With Molten Metal (AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Glass Compositions (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Manufacture And Refinement Of Metals (AREA)

DK550880A 1979-12-29 1980-12-23 Fremgangsmaade til fremstilling af afsvovlingsmidler til raajern- eller staalsmelter DK151569C (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19792952686 DE2952686A1 (de)	1979-12-29	1979-12-29	Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen
DE2952686		1979-12-29

Publications (3)

Publication Number	Publication Date
DK550880A true DK550880A (da)	1981-06-30
DK151569B DK151569B (da)	1987-12-14
DK151569C DK151569C (da)	1988-05-30

Family

ID=6089830

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK550880A DK151569C (da)	1979-12-29	1980-12-23	Fremgangsmaade til fremstilling af afsvovlingsmidler til raajern- eller staalsmelter

Country Status (16)

Country	Link
US (1)	US4368071A (da)
EP (1)	EP0031534B1 (da)
JP (1)	JPS5698413A (da)
AT (1)	ATE9101T1 (da)
AU (1)	AU532989B2 (da)
BR (1)	BR8008500A (da)
DD (1)	DD155527A5 (da)
DE (2)	DE2952686A1 (da)
DK (1)	DK151569C (da)
ES (1)	ES497685A0 (da)
IN (1)	IN153342B (da)
MX (1)	MX154954A (da)
NO (1)	NO153500C (da)
PL (1)	PL125648B1 (da)
SU (1)	SU1269739A3 (da)
ZA (1)	ZA808064B (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES8200147A1 (es) *	1979-12-29	1981-11-01	Hoechst Ag	Procedimiento para la preparacion de un agente para la de- sulfuracion de masas fundidas metalicas
DE3111509A1 (de) *	1981-03-24	1982-10-07	Hoechst Ag, 6000 Frankfurt	Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen
DE3111510A1 (de) *	1981-03-24	1982-10-07	Hoechst Ag, 6000 Frankfurt	Entschwefelungsgemisch und verfahren zu seiner herstellung
CA1243646A (en) *	1984-12-04	1988-10-25	William K. Kodatsky	Method for treating carbide-based desulfurizing reagents for injection into molten iron
PL213251B1 (pl)	2009-02-02	2013-02-28	Akad Gorniczo Hutnicza	Sposób wytwarzania mieszanki zuzlotwórczej dla pozapiecowej rafinacji stali w kadzi lub w piecu kadziowym

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT264560B (de) *	1966-08-25	1968-09-10	Gustav Dipl Ing Wolfram	Basisches Stahlherstellungsverfahren
DE1758250B1 (de) *	1968-04-29	1971-10-28	Sueddeutsche Kalkstickstoff	Mittel zum Entschwefeln von Eisenschmelzen
DE1919414B2 (de) *	1969-04-17	1977-07-14	Hoechst Ag, 6000 Frankfurt	Verfahren und vorrichtung zum abkuehlen von in gefaesse abgestochenem calciumcarbid
DE1935567B2 (de) *	1969-07-12	1971-05-13	Knapsack AG, 5033 Hurth Knapsack	Verfahren zur herstellung von calciumkarbid bestimmter qualitaet
DE2037758C3 (de) *	1970-07-30	1979-08-02	Hoechst Ag, 6000 Frankfurt	Verfahren zur Herstellung von CaIciumkarbid zur Entschwefelung von Metallschmelzen
DE2252795C3 (de) *	1972-10-27	1982-09-09	Skw Trostberg Ag, 8223 Trostberg	Entschwefelungsmittel für Roheisen- und Ferrolegierungsschmelzen
DE2326539C3 (de) *	1973-05-24	1975-11-13	Sueddeutsche Kalkstickstoff-Werke Ag, 8223 Trostberg	Verfahren zur Herstellung eines Entschwefelungsgemisches für Eisenschmelzen aus Calciumcarbid und mindestens einem wasserhaltigen Stoff
FR2432550A1 (fr) *	1978-08-04	1980-02-29	Sueddeutsche Kalkstickstoff	Procede pour la fabrication d'un melange de desulfuration pulverulent facilement fluidifiable
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
DE2920353A1 (de) *	1979-05-19	1980-11-27	Hoechst Ag	Verfahren zur herstellung von entschweflungsmitteln fuer roheisen- oder stahlschmelzen

1979
- 1979-12-29 DE DE19792952686 patent/DE2952686A1/de not_active Withdrawn
1980
- 1980-12-12 ES ES497685A patent/ES497685A0/es active Granted
- 1980-12-15 DE DE8080107915T patent/DE3069043D1/de not_active Expired
- 1980-12-15 EP EP80107915A patent/EP0031534B1/de not_active Expired
- 1980-12-15 AT AT80107915T patent/ATE9101T1/de not_active IP Right Cessation
- 1980-12-23 BR BR8008500A patent/BR8008500A/pt unknown
- 1980-12-23 PL PL1980228751A patent/PL125648B1/pl unknown
- 1980-12-23 DK DK550880A patent/DK151569C/da not_active IP Right Cessation
- 1980-12-23 IN IN1420/CAL/80A patent/IN153342B/en unknown
- 1980-12-23 NO NO803924A patent/NO153500C/no unknown
- 1980-12-24 AU AU65854/80A patent/AU532989B2/en not_active Ceased
- 1980-12-26 SU SU803221904A patent/SU1269739A3/ru active
- 1980-12-26 JP JP18417880A patent/JPS5698413A/ja active Granted
- 1980-12-29 DD DD80226699A patent/DD155527A5/de not_active IP Right Cessation
- 1980-12-29 ZA ZA00808064A patent/ZA808064B/xx unknown
1981
- 1981-01-02 US US06/222,086 patent/US4368071A/en not_active Expired - Fee Related
- 1981-01-05 MX MX185478A patent/MX154954A/es unknown

Also Published As

Publication number	Publication date
IN153342B (da)	1984-07-07
BR8008500A (pt)	1981-07-14
ES8200146A1 (es)	1981-11-01
AU532989B2 (en)	1983-10-20
DK151569B (da)	1987-12-14
ES497685A0 (es)	1981-11-01
JPS6327406B2 (da)	1988-06-02
PL125648B1 (en)	1983-06-30
ZA808064B (en)	1982-01-27
ATE9101T1 (de)	1984-09-15
JPS5698413A (en)	1981-08-07
NO153500C (no)	1986-04-02
MX154954A (es)	1988-01-14
NO803924L (no)	1981-06-30
DD155527A5 (de)	1982-06-16
US4368071A (en)	1983-01-11
DE3069043D1 (en)	1984-09-27
NO153500B (no)	1985-12-23
EP0031534B1 (de)	1984-08-22
DE2952686A1 (de)	1981-07-02
EP0031534A1 (de)	1981-07-08
PL228751A1 (da)	1981-09-04
AU6585480A (en)	1981-07-09
SU1269739A3 (ru)	1986-11-07
DK151569C (da)	1988-05-30

Legal Events

Date	Code	Title	Description
1992-08-24	PBP	Patent lapsed

Publication	Publication Date	Title
ATE5877T1 (de)	1984-02-15	Granulierte zusammensetzungen fuer glasgemische, verfahren zu ihrer herstellung und ihre verwendung.
DK550880A (da)	1981-06-30	Fremgangsmaade til fremstilling af afsvovlingsmidler til raajern eller staalsmelter
ATE23882T1 (de)	1986-12-15	Verfahren und anlage zur herstellung bindemittelloser heissbriketts.
NO151971C (no)	1985-07-10	Fremgangsmaate til fremstilling av avsvovlingsmidler for raajern- eller staalsmelter
JPS54131521A (en)	1979-10-12	Antidigestive calcic smelting agent for steel
CA1154596A (en)	1983-10-04	Desulfurizing agent and process for its manufacture
NO801420L (no)	1980-11-17	Avsvovlingsmiddel for raajern- og staalsmelter, samt en fremgangsmaate til dets fremstilling
BR8201618A (pt)	1983-02-08	Processo para a preparacao de composicoes de dessulfuracao
JPS5589412A (en)	1980-07-07	Preventing method of collapse of converter slag and electric furnace slag
JPS54121216A (en)	1979-09-20	Desulfurization of molten iron
JPS54107497A (en)	1979-08-23	Property improvement of molten pig iron na base desulfurized slag
Sagalevich et al.	1980	Uncalcined Zircon Tundishes for the MNLZ Foundry
JPS55128518A (en)	1980-10-04	Modification of steel-making slag
Inoue et al.	1982	Sulfur Partitions Between Carbon-Saturated Iron Melt and Na sub 2 O--SiO sub 2 Slags
NO933639L (no)	1993-10-11	Hellepunktnedsettende blanding, tilsetningsmiddelkonsentrat og brennstoffblanding
JPS5635710A (en)	1981-04-08	Desulfurizing agent for molten iron