BR8606249A - Composicao finamente granulada para a dessulfuracao de ferro fundido e processo para sua preparacao - Google Patents

Composicao finamente granulada para a dessulfuracao de ferro fundido e processo para sua preparacao

Info

Publication number
BR8606249A
BR8606249A BR8606249A BR8606249A BR8606249A BR 8606249 A BR8606249 A BR 8606249A BR 8606249 A BR8606249 A BR 8606249A BR 8606249 A BR8606249 A BR 8606249A BR 8606249 A BR8606249 A BR 8606249A
Authority
BR
Brazil
Prior art keywords
desulfuration
preparation
cast iron
granulated composition
finally granulated
Prior art date
Application number
BR8606249A
Other languages
English (en)
Inventor
Walter Meichsner
Werner Gmoehling
Manfred Tutte
Karl-Heinz Peters
Original Assignee
Sueddeutsche Kalkstickstoff
Thyssen Stahl 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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25838925&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8606249(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sueddeutsche Kalkstickstoff, Thyssen Stahl Ag filed Critical Sueddeutsche Kalkstickstoff
Priority claimed from DE19853544562 external-priority patent/DE3544562C2/de
Priority claimed from DE3544563A external-priority patent/DE3544563C2/de
Publication of BR8606249A publication Critical patent/BR8606249A/pt

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

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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Cereal-Derived Products (AREA)
BR8606249A 1985-12-17 1985-12-17 Composicao finamente granulada para a dessulfuracao de ferro fundido e processo para sua preparacao BR8606249A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853544562 DE3544562C2 (de) 1985-12-17 1985-12-17 Feinkörniges Mittel zur Entschwefelung von Eisenschmelzen
DE3544563A DE3544563C2 (de) 1985-12-17 1985-12-17 Mittel zur Entschwefelung von geschmolzenem Eisen

Publications (1)

Publication Number Publication Date
BR8606249A true BR8606249A (pt) 1987-09-29

Family

ID=25838925

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8606249A BR8606249A (pt) 1985-12-17 1985-12-17 Composicao finamente granulada para a dessulfuracao de ferro fundido e processo para sua preparacao

Country Status (11)

Country Link
US (2) US4764211A (pt)
EP (1) EP0226994B1 (pt)
JP (1) JPH0645813B2 (pt)
CN (1) CN1006809B (pt)
AU (1) AU571147B2 (pt)
BR (1) BR8606249A (pt)
CA (1) CA1261633A (pt)
DE (1) DE3672779D1 (pt)
ES (1) ES2016557B3 (pt)
FI (1) FI83095C (pt)
NO (1) NO168057C (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3734877C1 (de) * 1987-10-15 1988-10-27 Sueddeutsche Kalkstickstoff Mittel und Verfahren zur Aufstickung von Gusseisen
DE3831831C1 (pt) * 1988-09-20 1989-11-02 Skw Trostberg Ag, 8223 Trostberg, De
DE3908071A1 (de) * 1989-03-13 1990-09-20 Hoechst Ag Mittel und verfahren zum entschwefeln von metallschmelzen
US5078784A (en) * 1990-03-14 1992-01-07 Elkem Metals Company Desulfurization agent
US4941914A (en) * 1989-05-18 1990-07-17 Elkem Metals Company Desulfurization agent
US5002733A (en) * 1989-07-26 1991-03-26 American Alloys, Inc. Silicon alloys containing calcium and method of making same
US5149364A (en) * 1990-03-14 1992-09-22 Elkem Metals Company Desulfurization agent
US5021086A (en) * 1990-07-05 1991-06-04 Reactive Metals And Alloys Corporation Iron desulfurization additive and method for introduction into hot metal
UA32411C2 (uk) * 1991-08-28 2000-12-15 Тіссен Шталь Аг Спосіб обробки розплавів доменного чавуну в резервуарі (варіанти)
CA2054244C (en) * 1991-10-25 2000-08-01 Bruce James Barker Powdered desulfurizing reagent and process of use
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
ATA115194A (de) * 1994-06-08 1997-07-15 Donau Chemie Ag Entschwefelungsmittel für 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
US5873924A (en) * 1997-04-07 1999-02-23 Reactive Metals & Alloys Corporation Desulfurizing mix and method for desulfurizing molten iron
US6352570B1 (en) 2000-04-10 2002-03-05 Rossborough Manufacturing Co., Lp Magnesium desulfurization agent
US6372014B1 (en) 2000-04-10 2002-04-16 Rossborough Manufacturing Co. L.P. Magnesium injection agent for ferrous metal
US6770115B2 (en) * 2002-10-18 2004-08-03 Remacor, Inc. Process for magnesium granules
US6989040B2 (en) * 2002-10-30 2006-01-24 Gerald Zebrowski Reclaimed magnesium desulfurization agent
US20050056120A1 (en) * 2003-09-15 2005-03-17 Flores-Morales Jose Ignacio Desulphurization of ferrous materials using sodium silicate
US20050066772A1 (en) * 2003-09-26 2005-03-31 Flores-Morales Jose Ignacio Desulphurization of ferrous materials using glass cullet
US7731778B2 (en) * 2006-03-27 2010-06-08 Magnesium Technologies Corporation Scrap bale for steel making process
US20080196548A1 (en) * 2007-02-16 2008-08-21 Magnesium Technologies Corporation Desulfurization puck
CN101584696A (zh) 2008-05-21 2009-11-25 上海艾力斯医药科技有限公司 包含喹唑啉衍生物的组合物及制备方法、用途
DE102011116501C5 (de) 2011-10-20 2018-05-24 Almamet Gmbh Bitumen enthaltendes Entschwefelungsmittel
DE202014100884U1 (de) 2014-02-26 2014-03-13 Almamet Gmbh Schlackekonditionierer für die Entschwefelung in der Sekundärmetallurgie von Stahl
CN112391510A (zh) * 2020-10-29 2021-02-23 张家港宏昌钢板有限公司 一种新的铁水脱硫工艺

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1758250B1 (de) * 1968-04-29 1971-10-28 Sueddeutsche Kalkstickstoff Mittel zum Entschwefeln von Eisenschmelzen
DE2252796C3 (de) * 1972-10-27 1982-08-12 Skw Trostberg Ag, 8223 Trostberg Entschwefelungsmittel für Roheisen und Ferrolegierungsschmelzen
DE2252795C3 (de) * 1972-10-27 1982-09-09 Skw Trostberg Ag, 8223 Trostberg Entschwefelungsmittel für Roheisen- und Ferrolegierungsschmelzen
US4159906A (en) * 1972-10-27 1979-07-03 Suddeutsche Kalkstickstoff-Werke Aktiengesellschaft Method and composition for the desulfurization of molten metals
DE2531047B2 (de) * 1975-07-11 1978-07-06 Kloeckner-Werke Ag, 4100 Duisburg Verfahren zum Entschwefeln von Roheisen
US3998625A (en) * 1975-11-12 1976-12-21 Jones & Laughlin Steel Corporation Desulfurization method
DE2741588C2 (de) * 1977-09-15 1985-02-07 Skw Trostberg Ag, 8223 Trostberg Mittel zum Entschwefeln von Eisenschmelzen
FR2432550A1 (fr) * 1978-08-04 1980-02-29 Sueddeutsche Kalkstickstoff Procede pour la fabrication d'un melange de desulfuration pulverulent facilement fluidifiable
US4315773A (en) * 1979-11-27 1982-02-16 Skw Trostberg Aktiengesellschaft Desulfurization mixture and process for desulfurizing pig iron
US4266969A (en) * 1980-01-22 1981-05-12 Jones & Laughlin Steel Corporation Desulfurization process
DE3022752A1 (de) * 1980-06-18 1982-01-14 Skw Trostberg Ag, 8223 Trostberg Entschwefelungsmittel
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
US4581068A (en) * 1985-05-06 1986-04-08 Frank & Schulte Gmbh Shaped body for feeding cupola furnaces
DE3535280A1 (de) * 1985-10-03 1987-04-09 Hoechst Ag Entschwefelungsgemisch fuer metallschmelzen, ein verfahren zu seiner herstellung und seine verwendung

Also Published As

Publication number Publication date
NO865074L (no) 1987-06-18
CN86108525A (zh) 1987-07-29
US4832739A (en) 1989-05-23
FI865126A0 (fi) 1986-12-16
FI865126A (fi) 1987-06-18
EP0226994B1 (de) 1990-07-18
NO865074D0 (no) 1986-12-16
NO168057B (no) 1991-09-30
EP0226994A1 (de) 1987-07-01
CN1006809B (zh) 1990-02-14
JPH02163308A (ja) 1990-06-22
US4764211A (en) 1988-08-16
DE3672779D1 (de) 1990-08-23
FI83095C (fi) 1991-05-27
NO168057C (no) 1992-01-08
AU6616786A (en) 1987-06-18
ES2016557B3 (es) 1990-11-16
JPH0645813B2 (ja) 1994-06-15
AU571147B2 (en) 1988-03-31
FI83095B (fi) 1991-02-15
CA1261633A (en) 1989-09-26

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Legal Events

Date Code Title Description
FF Decision: intention to grant
KD Notifcation of receipt (letter patent)
FG Letter patent granted
B22B Petition not considered [chapter 22.2 patent gazette]
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 17/12/2001