EP0572848A3 - Method of determination of the end-point during oxygen steelmaking in a converter - Google Patents
Method of determination of the end-point during oxygen steelmaking in a converter Download PDFInfo
- Publication number
- EP0572848A3 EP0572848A3 EP19930107946 EP93107946A EP0572848A3 EP 0572848 A3 EP0572848 A3 EP 0572848A3 EP 19930107946 EP19930107946 EP 19930107946 EP 93107946 A EP93107946 A EP 93107946A EP 0572848 A3 EP0572848 A3 EP 0572848A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- converter
- determination
- point during
- during oxygen
- oxygen steelmaking
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4217933 | 1992-05-30 | ||
| DE4217933A DE4217933C2 (de) | 1992-05-30 | 1992-05-30 | Verfahren zur Bestimmung des Endpunktes für den Frischprozeß in Sauerstoffkonvertern |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0572848A2 EP0572848A2 (de) | 1993-12-08 |
| EP0572848A3 true EP0572848A3 (en) | 1994-08-10 |
| EP0572848B1 EP0572848B1 (de) | 1998-07-08 |
Family
ID=6460082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93107946A Expired - Lifetime EP0572848B1 (de) | 1992-05-30 | 1993-05-15 | Verfahren zur Bestimmung des Endpunktes für den Frischprozess in Sauerstoffkonvertern |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0572848B1 (de) |
| AT (1) | ATE168137T1 (de) |
| DE (2) | DE4217933C2 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4412236C2 (de) * | 1993-06-15 | 1998-04-16 | Mannesmann Ag | Verfahren zur Herstellung von Stahl mit niedrigem Phosphorgehalt |
| EP0633322B1 (de) * | 1993-06-15 | 2001-02-28 | MANNESMANN Aktiengesellschaft | Verfahren zur Herstellung von Stahl mit niedrigem Phosphorgehalt |
| DE10346768A1 (de) | 2003-10-06 | 2005-04-21 | Zimmer Ag | Verfahren zur automatischen Analyse von polymerhaltigem Abfall und Analyseautomat hierzu |
| DE10346769A1 (de) * | 2003-10-06 | 2005-04-21 | Zimmer Ag | Analyseautomat und Verfahren zur Überwachung der Polymerherstellung mittels Massenspektroskopie |
| DE102006050888A1 (de) | 2006-10-27 | 2008-04-30 | Siemens Ag | Verfahren zur Regelung des Kohlenmonoxid-Austrags bei einem metallurgischen Schmelzverfahren |
| DE102009060258A1 (de) | 2009-12-23 | 2011-06-30 | SMS Siemag Aktiengesellschaft, 40237 | Steuerung des Konverterprozesses durch Abgassignale |
| RU2652663C2 (ru) * | 2015-11-27 | 2018-04-28 | Общество Ограниченной Ответственности "Научно-производственное объединение "Санкт-Петербургская электротехническая компания" | Способ управления процессом продувки конвертерной плавки с использованием информации отходящих газов |
| CN113388712B (zh) * | 2021-06-15 | 2022-04-05 | 马鞍山钢铁股份有限公司 | 一种低碳lf炉工艺钢转炉冶炼方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2836694A1 (de) * | 1977-08-22 | 1979-03-08 | Kobe Steel Ltd | Verfahren zum kontrollieren des endzeitpunkts des windfrischvorgangs in einem konverter |
| DE2839316A1 (de) * | 1977-09-10 | 1979-03-22 | Nisshin Steel Co Ltd | Verfahren zur steuerung eines stahlherstellungsverfahrens unter atmosphaerischem druck |
| DE2835548A1 (de) * | 1978-08-14 | 1980-02-28 | Kloeckner Werke Ag | Verfahren zum bestimmen des gehaltes einer charge eines metallurgischen systems an einem oder mehreren elementen |
-
1992
- 1992-05-30 DE DE4217933A patent/DE4217933C2/de not_active Expired - Lifetime
-
1993
- 1993-05-15 AT AT93107946T patent/ATE168137T1/de not_active IP Right Cessation
- 1993-05-15 DE DE59308730T patent/DE59308730D1/de not_active Expired - Lifetime
- 1993-05-15 EP EP93107946A patent/EP0572848B1/de not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2836694A1 (de) * | 1977-08-22 | 1979-03-08 | Kobe Steel Ltd | Verfahren zum kontrollieren des endzeitpunkts des windfrischvorgangs in einem konverter |
| DE2839316A1 (de) * | 1977-09-10 | 1979-03-22 | Nisshin Steel Co Ltd | Verfahren zur steuerung eines stahlherstellungsverfahrens unter atmosphaerischem druck |
| DE2835548A1 (de) * | 1978-08-14 | 1980-02-28 | Kloeckner Werke Ag | Verfahren zum bestimmen des gehaltes einer charge eines metallurgischen systems an einem oder mehreren elementen |
Non-Patent Citations (3)
| Title |
|---|
| K. D. SCHUY ET AL.: "Massenspektrometrische Prozessgasanalyse ....", STAHL UND EISEN, vol. 92, no. 25, 7 December 1972 (1972-12-07), DUSSELDORF DE, pages 1278 - 1283 * |
| K. W. LANGE: "Zur Prozess-Steuerung bei Sauerstoffblasverfahren", STAHL UND EISEN, vol. 102, no. 10, 17 May 1982 (1982-05-17), DUSSELDORF DE, pages 515 - 519, XP001261113 * |
| T. TAKAWA ET AL.: "Analysis of Converter Process ....", TRANSACTIONS ISIJ, vol. 28, 1988, TOKIO, JP, pages 59 - 67 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE168137T1 (de) | 1998-07-15 |
| EP0572848A2 (de) | 1993-12-08 |
| DE4217933A1 (de) | 1993-12-02 |
| EP0572848B1 (de) | 1998-07-08 |
| DE4217933C2 (de) | 1995-03-23 |
| DE59308730D1 (de) | 1998-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3175274D1 (en) | Analytical method for the determination of nitrogen, carbon, hydrogen and sulfur or chlorine and apparatus therefor | |
| EP0572848A3 (en) | Method of determination of the end-point during oxygen steelmaking in a converter | |
| GB2078917B (en) | Method for preheating steel scrap by exhaust gas from steelmaking electric furnace | |
| US4530102A (en) | Lancing in electric arc steelmaking | |
| GB2010320A (en) | Method of reducing the sulphur content of flue gases evolved from a catalytic cracking process | |
| CA2097234A1 (en) | Method and apparatus for feeding reaction gases into a smelting furnace | |
| DE3671762D1 (de) | Verfahren zum kontrollieren des zusaetzlich aufgeblasenen sauerstoffs beim durchblasfrischen von stahl. | |
| GB2085562B (en) | Oxygen lance for iron refining | |
| JPS55141664A (en) | Aging treatment for waste gas oxygen sensor | |
| GB8827387D0 (en) | Arc exposure monitor | |
| EP0059764A4 (de) | Schmelzverfahren bei aufblase- und bodenwindkonvertern. | |
| ES541216A0 (es) | Un procedimiento para la produccion de acero | |
| JPS5418434A (en) | Submerge arc welding method for 100kg*mm2 grade highhtensile steel | |
| DE59806252D1 (de) | Verfahren und Vorrichtung zur Erfassung des Schlackezustandes und der Lichtbogenstabilität in Lichtbogenöfen | |
| AU567212B2 (en) | Pre-deoxidation process in steelmaking | |
| JPS5431012A (en) | Process for determining flow rate of waste gas by analyzing oxygen converter waste gas | |
| JPS5224905A (en) | Tapping method in converters | |
| EP0295915A3 (en) | Improved method and scavenger gas for the analysis of oxygen-containing components using atomic emission spectrometry | |
| UA39117C2 (uk) | Спосіб рафінування металу | |
| JPS5763614A (en) | Refining method in top and bottom blowing converter | |
| UA10117A (uk) | Спосіб мікролегування сталі ванадієм | |
| Carlhoff et al. | Direct Analysis in Steelmaking Converters Using Laser-Induced Emission Spectrometry | |
| JPS6455317A (en) | Converter blowing method | |
| CS921786A1 (en) | Method of magnesium sulphate concentration depression during desulphurize waste gases by magnezite method | |
| BG38414A1 (en) | Method for oxygen converting of middle manganese pig irons |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 19930515 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE |
|
| 17Q | First examination report despatched |
Effective date: 19960423 |
|
| RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: GEORGSMARIENHUETTE GMBH |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 19980708 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 19980708 Ref country code: GR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19980708 Ref country code: GB Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 19980708 Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 19980708 Ref country code: ES Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19980708 |
|
| REF | Corresponds to: |
Ref document number: 168137 Country of ref document: AT Date of ref document: 19980715 Kind code of ref document: T |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
| REF | Corresponds to: |
Ref document number: 59308730 Country of ref document: DE Date of ref document: 19980813 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 19981008 |
|
| NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
| EN | Fr: translation not filed | ||
| GBV | Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed] |
Effective date: 19980708 |
|
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990515 Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990515 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990531 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990531 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990531 |
|
| 26N | No opposition filed | ||
| BERE | Be: lapsed |
Owner name: GEORGSMARIENHUTTE G.M.B.H. Effective date: 19990531 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20120702 Year of fee payment: 20 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 59308730 Country of ref document: DE |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20130516 |