EP1183118B1 - Automatisierung einer hochgeschwindigkeits-stranggiessanlage - Google Patents

Automatisierung einer hochgeschwindigkeits-stranggiessanlage Download PDF

Info

Publication number: EP1183118B1
Authority: EP; European Patent Office
Prior art keywords: casting; chill mould; distributor; narrow; speed
Prior art date: 1999-06-07
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.): Expired - Lifetime

Application number

EP00942018A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP1183118A1 (de

Inventor

Fritz-Peter Pleschiutschnigg

Stephan Feldhaus

Lothar Parschat

Michael Vonderbank

Thomas Ulke

Robert Victor Kowalewski

Rolf-Peter Heidemann

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

SMS Siemag AG

Original Assignee

SMS Schloemann Siemag AG

Schloemann Siemag 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.)

1999-06-07

Filing date

2000-06-07

Publication date

2003-01-02

2000-06-07 Application filed by SMS Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG

2002-03-06 Publication of EP1183118A1 publication Critical patent/EP1183118A1/de

2003-01-02 Application granted granted Critical

2003-01-02 Publication of EP1183118B1 publication Critical patent/EP1183118B1/de

2020-06-07 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000009749 continuous casting Methods 0.000 title claims abstract description 12
238000005266 casting Methods 0.000 claims abstract description 111
229910000831 Steel Inorganic materials 0.000 claims abstract description 39
239000010959 steel Substances 0.000 claims abstract description 39
238000000034 method Methods 0.000 claims description 16
239000000155 melt Substances 0.000 claims description 15
239000010949 copper Substances 0.000 claims description 8
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
229910052802 copper Inorganic materials 0.000 claims description 7
239000000843 powder Substances 0.000 claims description 7
230000033228 biological regulation Effects 0.000 claims description 6
229910052799 carbon Inorganic materials 0.000 claims description 5
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
238000007654 immersion Methods 0.000 claims description 4
238000012937 correction Methods 0.000 claims description 3
239000000956 alloy Substances 0.000 claims 2
229910045601 alloy Inorganic materials 0.000 claims 2
239000000203 mixture Substances 0.000 claims 2
238000012423 maintenance Methods 0.000 claims 1
239000000463 material Substances 0.000 claims 1
230000001105 regulatory effect Effects 0.000 claims 1
230000001960 triggered effect Effects 0.000 claims 1
229910001338 liquidmetal Inorganic materials 0.000 abstract 1
230000004048 modification Effects 0.000 abstract 1
238000012986 modification Methods 0.000 abstract 1
IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 21
238000005259 measurement Methods 0.000 description 7
239000002893 slag Substances 0.000 description 7
230000006870 function Effects 0.000 description 4
238000009529 body temperature measurement Methods 0.000 description 3
230000007423 decrease Effects 0.000 description 2
238000002955 isolation Methods 0.000 description 2
238000005461 lubrication Methods 0.000 description 2
238000001953 recrystallisation Methods 0.000 description 2
229910001209 Low-carbon steel Inorganic materials 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000005336 cracking Methods 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
230000009189 diving Effects 0.000 description 1
230000003628 erosive effect Effects 0.000 description 1
230000017525 heat dissipation Effects 0.000 description 1
238000009413 insulation Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000005499 meniscus Effects 0.000 description 1
230000010355 oscillation Effects 0.000 description 1
230000001850 reproductive effect Effects 0.000 description 1
238000005096 rolling process Methods 0.000 description 1
238000012546 transfer Methods 0.000 description 1

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations

Definitions

the invention relates to a method according to the preamble of claim 1 and a system according to the preamble of claim 7. Especially when operating of high-speed systems for slabs and especially in In connection with rolling mill systems, it is important to include the continuous caster at a high and controlled speed.
Figure 1 shows this relationship and shows that at high casting speeds, when using casting powder and a certain casting speed of z. B.> 4.5 m / min the mold load remains almost constant and the strand shell load decreases sharply.
the reason for this is a constant slag lubrication film at high casting speeds and therefore constant heat transfer, but a shorter dwell time of the strand shell in the mold, which is proportional to the increase in casting speed.
the picture makes it clear that with increasing casting speed the mold load no longer rises and the strand shell load decreases, which reduces the risk of cracking but also the strand shell z. B. becomes thinner and hotter at the end of the mold.
From US-A-3 478 808 is a method for controlling parameters in one Continuous casting plant for casting steel known.
Target values of parameters which were taken from previous casting processes, saved, actual values parameters, a comparison between actual and target values carried out and a regulation of the influencing variables.
a parameter are among others the flow rate, the rate of heat removal within the mold and the pull-off speed.
the object of the invention is a method and a System for carrying out the method for the controlled operation of a continuous caster for casting slabs, especially thin slabs, with very high To further develop casting speeds.
FIG. 3 consists of the sub-figures a), b) and c).
FIG. 3 a) shows schematically a slab or bloom block (1), each consisting of two individual narrow sides (1.2), which on the operating side (1.2.1) (NO) and drive side (1.2.2) (ND) with adjusting cylinders (1.2.3) are provided, and two broad sides (1.3), the back (1.3.1) (WF) and the loose side (1.3.2) (WL).
the mold (1) can also advantageously be equipped with a pouring funnel (1.1) be provided.
the liquid steel (1.4) is covered by the immersion spout (1.5) the bath level (1.7.2) into the mold when using casting powder (1.6) with formation of pouring slag (1.6.1) and a pouring slag film between the mold (1) and strand shell (1.7.1), for lubrication and for heat flow control serves, directed.
Figure 3 b) and c) show the specific heat flow in MW / m 2 of the broad side WF, WL (1.3.2) and the narrow sides NO (1.2.1), NO (1.2.2) in normal. inconspicuous casting process, the casting time from start to time tx, at which the steel is in temperature equilibrium with the distributor.
the narrow side streams have to show a ratio to the broad sides of ⁇ 1 via the conicity of the narrow sides, which must be kept constant over the casting time.
Figure 6 shows the pouring window, formed by the steel temperature in the distributor and the maximum possible casting speed.
the diagram in FIG. 6 shows three melts with different distributor temperatures and therefore different maximum possible casting speeds, but for example the same temperature loss of 5 ° C / hour represents.
the steel temperature in the distributor at the start of casting is Melt 1,560 ° C and at the end of casting 1,555 ° C, which is a maximum casting speed of 5.0 m / min and at the end of casting 5.85 m / min allowed.
the temperature is 1,550 ° C and allows a casting speed of 7.2 m / min and one at the end of casting with a temperature of 1,545 ° C Casting speed of> 8 m / min.
the speed of max. 8 m / min can be started when a temperature of approx. 1,548 ° C is reached.
Figure 7 shows the structure of a semi-automatic or fully automatic / auto-pilot for casting a high-speed system.
the system consists of the steel pan (5), a distributor (6) with a Plug or slide closure (6.1) and a discontinuous or continuous Temperature measurement in the distributor, a continuous caster with oscillating Mold (1) and adjustable narrow sides (12) as well as pull-out rollers (6.3), which are driven by a motor (6.3.1) and the line with controlled Deliver the casting speed (1.8).
the fully automatic system corrects the conicity settings of each individual narrow side on the basis of the heat flow conditions between narrow sides and broad sides outside of a narrow side / broad side ratio of, for example 0.8> N W > 0.5 and automatically moves in the maximum possible casting speed, which is possible due to the steel temperature in the distributor and the function set.
the invention enables reproductive operation of the continuous casting plant maximum possible productivity while avoiding breakthroughs and controlled String quality possible.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Continuous Casting (AREA)
Casting Devices For Molds (AREA)

EP00942018A 1999-06-07 2000-06-07 Automatisierung einer hochgeschwindigkeits-stranggiessanlage Expired - Lifetime EP1183118B1 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE19925713		1999-06-07
DE19925713		1999-06-07
PCT/EP2000/005216 WO2000074878A1 (de)	1999-06-07	2000-06-07	Automatisierung einer hochgeschwindigkeits-stranggiessanlage

Publications (2)

Publication Number	Publication Date
EP1183118A1 EP1183118A1 (de)	2002-03-06
EP1183118B1 true EP1183118B1 (de)	2003-01-02

Family

ID=7910298

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP00942018A Expired - Lifetime EP1183118B1 (de)	1999-06-07	2000-06-07	Automatisierung einer hochgeschwindigkeits-stranggiessanlage

Country Status (12)

Country	Link
US (2)	US6793006B1 (es)
EP (1)	EP1183118B1 (es)
JP (1)	JP2003501265A (es)
KR (1)	KR100752693B1 (es)
CN (1)	CN1200788C (es)
AT (1)	ATE230318T1 (es)
CA (1)	CA2375133A1 (es)
DE (2)	DE10027324C2 (es)
ES (1)	ES2192532T3 (es)
MX (1)	MXPA01012413A (es)
TW (1)	TW469187B (es)
WO (1)	WO2000074878A1 (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10027324C2 (de) *	1999-06-07	2003-04-10	Sms Demag Ag	Verfahren zum Gießen eines metallischen Strangs sowie System hierzu
EP1066898B1 (de) *	1999-07-06	2005-03-09	SMS Demag AG	Verfahren zur Schmelzenführung in einer Stranggiessmaschine
KR100782828B1 (ko) *	2005-12-29	2007-12-06	삼성전자주식회사	디지털 기기에서 알림 메시지를 표시하는 방법 및 상기 알림 메시지 표시 제어 장치
DE102006060673A1 (de) *	2006-11-02	2008-05-08	Sms Demag Ag	Verfahren und Regelvorrichtung zum Regeln der Wärmeabfuhr einer Seitenplatte einer Kokille
EP2025432B2 (de) *	2007-07-27	2017-08-30	Concast Ag	Verfahren zur Erzeugung von Stahl-Langprodukten durch Stranggiessen und Walzen
US20100058321A1 (en) *	2008-09-04	2010-03-04	Anderson Greg L	Approach for deploying software to network devices
KR101193885B1 (ko)	2010-09-29	2012-10-26	현대제철 주식회사	조질압연공정의 운전 제어 장치
DE102014112206A1 (de) *	2014-08-26	2016-03-03	Peter Valentin	Verfahren zum Stranggießen eines Metalls, insbesondere eines Stahls, und Vorrichtung zum Stranggießen
CN106141132A (zh) *	2015-03-31	2016-11-23	新日铁住金工程技术株式会社	铸坯的制造方法及连续铸造装置
AT519154B1 (de) *	2016-09-26	2019-12-15	Primetals Technologies Austria GmbH	Regelung der Schmalseitenkonizität einer Stranggusskokille
CN106734202A (zh) *	2016-12-27	2017-05-31	中冶连铸技术工程有限责任公司	棒线材和窄带轧制生产线及其生产方法
CN108031809B (zh) *	2017-12-07	2020-05-22	中国重型机械研究院股份公司	一种结晶器电动调宽装置窄边锥度控制方法
CN111822689B (zh) *	2020-07-27	2021-08-31	宝武集团马钢轨交材料科技有限公司	一种高品质钢连铸吹氩塞棒、塞棒吹氩***及吹氩方法

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US3478808A (en) *	1964-10-08	1969-11-18	Bunker Ramo	Method of continuously casting steel
DE2440273C2 (de) *	1974-08-20	1976-09-30	Mannesmann Ag	Verfahren zur regelung des stranggiessprozesses beim vergiessen von stahl, sowie anordnung zur durchfuehrung des verfahrens
JPS52148435A (en) *	1976-06-04	1977-12-09	Ishikawajima Harima Heavy Ind	Adjusting method of taper in mould for coninuous casting and its device
JPS6054138B2 (ja) *	1981-01-08	1985-11-28	新日本製鐵株式会社	連続鋳造鋳型における鋳造鋼の介在物検出方法
JPS58145344A (ja) *	1982-02-24	1983-08-30	Kawasaki Steel Corp	連続鋳造における鋳型短辺のテ−パ量制御方法
JPH0747199B2 (ja) *	1985-06-04	1995-05-24	住友金属工業株式会社	連続鋳造方法およびその鋳型
JPH01162553A (ja) *	1987-12-18	1989-06-27	Sumitomo Metal Ind Ltd	連続鋳造機溶鋼レベル制御の異常監視装置
AT389251B (de) *	1987-12-23	1989-11-10	Voest Alpine Ind Anlagen	Kuehlung einer stranggiesskokille
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EP1066898B1 (de) *	1999-07-06	2005-03-09	SMS Demag AG	Verfahren zur Schmelzenführung in einer Stranggiessmaschine

2000
- 2000-06-05 DE DE10027324A patent/DE10027324C2/de not_active Expired - Fee Related
- 2000-06-07 MX MXPA01012413A patent/MXPA01012413A/es not_active Application Discontinuation
- 2000-06-07 EP EP00942018A patent/EP1183118B1/de not_active Expired - Lifetime
- 2000-06-07 CA CA002375133A patent/CA2375133A1/en not_active Abandoned
- 2000-06-07 ES ES00942018T patent/ES2192532T3/es not_active Expired - Lifetime
- 2000-06-07 US US10/009,153 patent/US6793006B1/en not_active Expired - Fee Related
- 2000-06-07 AT AT00942018T patent/ATE230318T1/de not_active IP Right Cessation
- 2000-06-07 DE DE50001011T patent/DE50001011D1/de not_active Expired - Lifetime
- 2000-06-07 KR KR1020017015701A patent/KR100752693B1/ko not_active IP Right Cessation
- 2000-06-07 CN CNB008114722A patent/CN1200788C/zh not_active Expired - Fee Related
- 2000-06-07 JP JP2001501396A patent/JP2003501265A/ja active Pending
- 2000-06-07 WO PCT/EP2000/005216 patent/WO2000074878A1/de active IP Right Grant
- 2000-12-18 TW TW089111188A patent/TW469187B/zh not_active IP Right Cessation
2004
- 2004-06-04 US US10/860,866 patent/US6854507B2/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US20040244941A1 (en)	2004-12-09
CN1200788C (zh)	2005-05-11
KR100752693B1 (ko)	2007-08-29
ES2192532T3 (es)	2003-10-16
EP1183118A1 (de)	2002-03-06
CA2375133A1 (en)	2000-12-14
MXPA01012413A (es)	2004-09-10
DE10027324A1 (de)	2001-03-08
US6793006B1 (en)	2004-09-21
TW469187B (en)	2001-12-21
ATE230318T1 (de)	2003-01-15
CN1368908A (zh)	2002-09-11
WO2000074878A1 (de)	2000-12-14
US6854507B2 (en)	2005-02-15
JP2003501265A (ja)	2003-01-14
KR20020026448A (ko)	2002-04-10
DE10027324C2 (de)	2003-04-10
DE50001011D1 (de)	2003-02-06

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