BR112012015629A2 - controle de processo de conversor por meio de sinais dos gases de exaustão - Google Patents
controle de processo de conversor por meio de sinais dos gases de exaustãoInfo
- Publication number
- BR112012015629A2 BR112012015629A2 BR112012015629A BR112012015629A BR112012015629A2 BR 112012015629 A2 BR112012015629 A2 BR 112012015629A2 BR 112012015629 A BR112012015629 A BR 112012015629A BR 112012015629 A BR112012015629 A BR 112012015629A BR 112012015629 A2 BR112012015629 A2 BR 112012015629A2
- Authority
- BR
- Brazil
- Prior art keywords
- exhaust gas
- converter
- steel
- temperature
- content
- Prior art date
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
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4673—Measuring and sampling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- 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
- C21C2300/00—Process aspects
- C21C2300/06—Modeling of the process, e.g. for control purposes; CII
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0006—Monitoring the characteristics (composition, quantities, temperature, pressure) of at least one of the gases of the kiln atmosphere and using it as a controlling value
- F27D2019/0012—Monitoring the composition of the atmosphere or of one of their components
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
controle de processo de conversor por meio de sinais dos gases de exaustão. os modernos processos de produção de aço exigem um conhecimento preciso da composição e da temperatura correntes do metal líquido a ser processado. é especialmente durante a produção de aço no conversor que são exigidas taxas de acerto elevadas no teor final de carbono e na temperatura do banho. um insuflamento preciso do ponto de vista quantitativo de oxigênio correspondendo ao teor de carbono final visado e a temperatura do metal são fatores decisivos que influencia a produtividade do processo assim como a qualidade de aço produzido. para permitir uma monitoração relativamente precisa do processo, são conhecidos diversos procedimentos e processos, que na sua aplicação se baseiam principalmente sobre a medição da composição dos gases de exaustão e sobre os equilíbrios de massas. todos os modelos funcionam com uma exatidão que depende da precisão dos dados lançados, especialmente no tocante aos dados sobre pesos dos materiais de partida e das propriedades químicas do metal empregado. para permitir uma monitoração dinâmica do processo de conversor para a produção de aço que seja independente do processo dado acima, especialmnete durante o insuflamento do oxigênio, é proposto obter-se através de um submodelo independente do modelo de processo, e que funciona como observador de processo com base na análise dos gases de exaustão, por meio de uma combinação criteriosa dos valores captados dos sinais constituintes para o ponto crítico de descarbonização (t<39> ~ crit~) e para o fim de insuflamento de o~ 2~, (t<39>~ eob~), sendo corrigido por meio destes valores o teor de oxigênio previsto pelo modelo de processo, no início do processo, e sendo este teor ajustado às condições reais no fim do período de tempo da descarbonização.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009060258A DE102009060258A1 (de) | 2009-12-23 | 2009-12-23 | Steuerung des Konverterprozesses durch Abgassignale |
DE102009060258.5 | 2009-12-23 | ||
PCT/EP2010/069599 WO2011076615A2 (de) | 2009-12-23 | 2010-12-14 | Steuerung des konverterprozesses durch abgassignale |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112012015629A2 true BR112012015629A2 (pt) | 2016-03-15 |
BR112012015629B1 BR112012015629B1 (pt) | 2018-02-06 |
Family
ID=44123282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112012015629-2A BR112012015629B1 (pt) | 2009-12-23 | 2010-12-14 | Processo para o controle dinâmico de um processo de conversor durante o insuflamento de oxigênio na produção de aço |
Country Status (9)
Country | Link |
---|---|
US (1) | US8494679B2 (pt) |
EP (1) | EP2516685B1 (pt) |
KR (1) | KR101362712B1 (pt) |
BR (1) | BR112012015629B1 (pt) |
CA (1) | CA2785711C (pt) |
DE (1) | DE102009060258A1 (pt) |
RU (1) | RU2539501C2 (pt) |
WO (1) | WO2011076615A2 (pt) |
ZA (1) | ZA201204449B (pt) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200480688Y1 (ko) * | 2011-09-19 | 2016-06-27 | 대우조선해양 주식회사 | 컨테이너선 홀드 배기가스의 검출장치 |
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 |
CN105573237B (zh) * | 2016-01-08 | 2018-08-14 | 江苏丰东热技术股份有限公司 | 一种碳势计算方法 |
CN105886695B (zh) * | 2016-05-09 | 2017-08-29 | 上海宝钢气体有限公司 | 一种转炉煤气的脱氧方法 |
RU2766093C1 (ru) * | 2018-05-14 | 2022-02-07 | ДжФЕ СТИЛ КОРПОРЕЙШН | Устройство оценки компонентов расплавленного металла, способ оценки компонентов расплавленного металла и способ получения расплавленного металла |
CN112955840A (zh) * | 2018-09-12 | 2021-06-11 | Abb瑞士股份有限公司 | 用于监测气体分析仪的样品处置系统的状况的方法和系统 |
CN111061257B (zh) * | 2019-12-30 | 2021-02-19 | 杭州电子科技大学 | 一种基于动态全局lpp的工业过程监测方法 |
CN113512620B (zh) * | 2020-04-10 | 2024-04-26 | 北京凯德恒源科技发展有限公司 | 气体分析+副枪的转炉冶炼全过程终点碳动态控制方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT346877B (de) * | 1976-08-04 | 1978-11-27 | Voest Ag | Verfahren zur steuerung eines stahlfrischpro- zesses fuer staehle mit einem c-gehalt im bereich von 0,1 bis 0,8 gew.-% |
BR7805395A (pt) | 1977-08-22 | 1979-05-02 | Kobe Steel Ltd | Processo para controle de sopramento em conversor |
JPS5442323A (en) | 1977-09-10 | 1979-04-04 | Nisshin Steel Co Ltd | Control procedure of steel making process using mass spectormeter |
SU817065A1 (ru) * | 1979-06-07 | 1981-03-30 | Киевский Институт Автоматикиим.Хху Съезда Кпсс | Способ регулировани кислородно- КОНВЕРТОРНОгО пРОцЕССА |
US4416691A (en) | 1980-07-03 | 1983-11-22 | Kobe Steel, Ltd. | Method for converter blow control |
JPS6479314A (en) | 1987-09-22 | 1989-03-24 | Kawasaki Steel Co | Method for controlling blowing of gas at its end period in weakly stirred bottom-blowing converter |
SU1527279A1 (ru) * | 1988-03-24 | 1989-12-07 | Центральный научно-исследовательский институт черной металлургии им.И.П.Бардина | Способ непрерывного контрол параметров конвертерного процесса |
DE4217933C2 (de) * | 1992-05-30 | 1995-03-23 | Georgsmarienhuette Gmbh | Verfahren zur Bestimmung des Endpunktes für den Frischprozeß in Sauerstoffkonvertern |
DE19540490C1 (de) * | 1995-10-23 | 1997-04-10 | Mannesmann Ag | Verfahren zum Entkohlen einer Stahlschmelze |
KR100334947B1 (ko) * | 1996-11-20 | 2002-06-20 | 아사무라 타카싯 | 용강의진공탈탄/정련방법및그장치 |
US6805724B2 (en) * | 2000-02-10 | 2004-10-19 | Process Technology International, Inc. | Method for particulate introduction for metal furnaces |
DE102006050888A1 (de) | 2006-10-27 | 2008-04-30 | Siemens Ag | Verfahren zur Regelung des Kohlenmonoxid-Austrags bei einem metallurgischen Schmelzverfahren |
DE102007044568A1 (de) | 2007-09-07 | 2009-03-12 | Sms Demag Ag | Indirekte Bestimmung der Abgasrate bei metallurgischen Prozessen |
-
2009
- 2009-12-23 DE DE102009060258A patent/DE102009060258A1/de not_active Withdrawn
-
2010
- 2010-12-14 RU RU2012130939/02A patent/RU2539501C2/ru active
- 2010-12-14 WO PCT/EP2010/069599 patent/WO2011076615A2/de active Application Filing
- 2010-12-14 EP EP10801401.0A patent/EP2516685B1/de active Active
- 2010-12-14 BR BR112012015629-2A patent/BR112012015629B1/pt active IP Right Grant
- 2010-12-14 CA CA2785711A patent/CA2785711C/en active Active
- 2010-12-14 KR KR1020127019010A patent/KR101362712B1/ko active IP Right Grant
- 2010-12-14 US US13/519,088 patent/US8494679B2/en active Active
-
2012
- 2012-06-18 ZA ZA2012/04449A patent/ZA201204449B/en unknown
Also Published As
Publication number | Publication date |
---|---|
KR20120097404A (ko) | 2012-09-03 |
CA2785711A1 (en) | 2011-06-30 |
US20130018508A1 (en) | 2013-01-17 |
BR112012015629B1 (pt) | 2018-02-06 |
EP2516685A2 (de) | 2012-10-31 |
CA2785711C (en) | 2013-11-26 |
ZA201204449B (en) | 2013-02-27 |
WO2011076615A2 (de) | 2011-06-30 |
KR101362712B1 (ko) | 2014-02-13 |
WO2011076615A3 (de) | 2011-09-22 |
US8494679B2 (en) | 2013-07-23 |
RU2012130939A (ru) | 2014-01-27 |
RU2539501C2 (ru) | 2015-01-20 |
DE102009060258A1 (de) | 2011-06-30 |
EP2516685B1 (de) | 2018-05-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B25D | Requested change of name of applicant approved |
Owner name: SMS GROUP GMBH (DE) |
|
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |