EP1183118A1 - Automatisierung einer hochgeschwindigkeits-stranggiessanlage - Google Patents
Automatisierung einer hochgeschwindigkeits-stranggiessanlageInfo
- Publication number
- EP1183118A1 EP1183118A1 EP00942018A EP00942018A EP1183118A1 EP 1183118 A1 EP1183118 A1 EP 1183118A1 EP 00942018 A EP00942018 A EP 00942018A EP 00942018 A EP00942018 A EP 00942018A EP 1183118 A1 EP1183118 A1 EP 1183118A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- casting
- measurement
- speed
- distributor
- narrow
- 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
- 238000009749 continuous casting Methods 0.000 title abstract description 6
- 238000005266 casting Methods 0.000 claims abstract description 85
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 9
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 claims description 22
- 238000005259 measurement Methods 0.000 claims description 17
- 230000006870 function Effects 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000007654 immersion Methods 0.000 claims description 3
- 239000000571 coke Substances 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 claims 1
- 229910001338 liquidmetal Inorganic materials 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 239000000155 melt Substances 0.000 description 10
- 239000002893 slag Substances 0.000 description 7
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000009413 insulation 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
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram 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
- 239000007788 liquid Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
- This automation must be traced back in its external operating language to a simple functional language that is easy to understand by the operating personnel.
- the degree of automation which in its operating language only knows the choice of the casting speed and the control of the narrow side heat flows on the operator (NO) or drive (ND) side, should allow the possibility of an autopilot to drive if certain preconditions like
- 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 thus a constant heat transfer, but a shorter dwell time of the strand shell in the mold in proportion 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 becomes lower, which reduces the risk of cracking but also the strand shell z. 8. becomes thinner and hotter at the end of the mold.
- FIG. 2 shows the relationships between cast slag film
- Strand shell temperature e.g. B. at the mold exit
- strand shell thickness and shrinkage
- Mold and strand shell loading or shrinkage max. Mold skin temperature in the mold level and thus the mold life in relation to the recrystallization temperature, which leads to the softening of the cold-rolled copper.
- the object of the invention is to enable automation of the continuous casting process on the basis of an online 'data acquisition, which in addition to a Semi-automatic, ie the control of narrow side conicity and casting speed, also a fully automatic, auto-pilot driving style
- Figure 1 The mold and strand shell loading depending on the casting speed
- the thermal load on the copper plate in the mold level and the service life of the copper plates are relativized at the recrystallization temperature of the cold-rolled copper plate.
- Figure 3 shows a) a slab mold (1) with (1.1) and without pouring funnel and in its conicity and adjustable narrow sides (1.2) as well as immersion spout (1.4) and casting powder, b) the mold load, expressed as MW / m2 for broad sides (WL ) and (WF) as well as for the narrow sides (ND) and (NO) over the casting time and c) the ratio of the heat flows from broad sides to narrow sides, expressed as NO / WL, NO / WF and ND / WL, NO / WF, the Describe the course of the heat flows more easily and make their correction easier via the conicity adjustment during casting.
- Figure 4 represents casting situations A, B, C using a) the heat flows, expressed as MW / ml, or b) the ratio of the heat flows ND / WF, ND / WL and NO / WF, NO / WL, which is a correction experienced by adjusting the narrow sides in their taper from position 0 to position 1.
- Figure 5 shows the temperature profile of melts in the distributor over a casting time of one hour.
- Figure 6 shows the casting window, formed between the steel temperature in the distributor and the casting speed, with the exemplary temperature profiles of different melts.
- Figure 7 represents the data acquisition and the control loop in the area of
- FIG. 3 consists of the sub-figures a), b) and c).
- FIG. 3 a) schematically represents 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) and two broad sides (1.3), the rear side (1.3.1) (WF) and the loose side (1.3.2) (WL).
- the mold (1) can also advantageously be provided with a pouring funnel (1.1).
- the liquid steel (1.4) is poured through the immersion spout (1.5) under the bath level (1.7.2) into the mold when casting powder (1.6) is used to form pourable slag (1.6.1) and a pouring slag film between the mold (1) and the strand shell (1.7.1), which is used for lubrication and heat flow control.
- Figure 3 b) and c) show the specific heat flow in MW / 2 of the broad side WF, WL (1.3.2) and the narrow sides NO (1.2.1), NO (1.2.2) in the normal, inconspicuous casting process, the casting time from start to time tx, when 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 5 shows the temperature profile of numerous melts over a period of approximately 1 hour in the distributor. It can be seen that, for example, in these pans with a melt content of approx. 180 t, the steel temperature drops by approx. 5 ° C./hour. This drop in the steel temperature in the distributor can be kept relatively low and depends essentially on that
- the absolute temperature at which the steel enters the distributor is specified by the continuous casting operation, is set by the steelworks and depends on, for example
- Figure 6 shows the casting window formed by the steel temperature in the distributor and the maximum possible casting speed.
- the pouring window (4) is formed by an upper (3.2) and lower (3.1) temperature limit. Furthermore, in addition to the steel temperature in the mold (3.3), the range of the liquidus temperature (3.4) of z. B. Low carbon steel grades are shown. The steel temperature in the mold increases with a constant steel temperature in the distributor inlet with a larger distributor volume, improved distributor insulation,
- the diagram in FIG. 6 shows three melts with different distributor temperatures and thus different maximum possible casting speeds, but for example the same temperature loss of 5 ° C./hour.
- the steel temperature in the distributor is 1,560 ° C at the start of the melt and 1,555 ° C at the end of the pour, which allows a maximum casting speed of 5.0 m / min and 5.85 m / min at the end of the pour.
- the temperature is 1,550 ° C and allows a casting speed of 7.2 m / min and at the end of casting with a temperature of 1,545 ° C a casting speed of> 8 m / min.
- the speed of max. 8 m / min can be reached 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 stopper or slide closure (6.1) as well as a discontinuous or continuous temperature measurement in the distributor, a continuous caster with an oscillating mold (1) and adjustable narrow sides (12) and pull-out rollers (6.3 ), which are driven by a motor (6.3.1) and feed the strand at a controlled 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
- the invention makes reproducible operation of the continuous caster possible with maximum possible productivity while avoiding breakthroughs and controlled strand quality.
- Case 1 with a melt that leads to a steel temperature in the distributor of 1,570 ° C at the start of casting and 1,565 ° C at the end of casting and a casting speed of 4.0 and max. Allows 4.5 m / min
- Case 2 with a melt that leads to a steel temperature in the distributor of 1,560 ° C at the start of casting and 1,560 ° C at the end of casting and a casting speed of 5.0 and max. 5.85 m / min
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Casting Devices For Molds (AREA)
Abstract
Description
Claims
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 true EP1183118A1 (de) | 2002-03-06 |
EP1183118B1 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 (de) |
EP (1) | EP1183118B1 (de) |
JP (1) | JP2003501265A (de) |
KR (1) | KR100752693B1 (de) |
CN (1) | CN1200788C (de) |
AT (1) | ATE230318T1 (de) |
CA (1) | CA2375133A1 (de) |
DE (2) | DE10027324C2 (de) |
ES (1) | ES2192532T3 (de) |
MX (1) | MXPA01012413A (de) |
TW (1) | TW469187B (de) |
WO (1) | WO2000074878A1 (de) |
Families Citing this family (13)
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 |
Family Cites Families (19)
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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 |
DE4117073A1 (de) * | 1991-05-22 | 1992-11-26 | Mannesmann Ag | Temperaturmessung brammenkokille |
JP3035688B2 (ja) * | 1993-12-24 | 2000-04-24 | トピー工業株式会社 | 連続鋳造におけるブレークアウト予知システム |
DE4404148A1 (de) * | 1994-02-10 | 1995-08-17 | Inteco Int Techn Beratung | Verfahren und Vorrichtung zum Herstellen von Gußsträngen aus Metallen durch Stranggießen |
DE19508476A1 (de) * | 1995-03-09 | 1996-09-12 | Siemens Ag | Leitsystem für eine Anlage der Grundstoff- oder der verarbeitenden Industrie o. ä. |
DE19639297C2 (de) * | 1996-09-25 | 2000-02-03 | Schloemann Siemag Ag | Verfahren und Vorrichtung für Hochgeschwindigkeits-Stranggießanlagen mit einer Strangdickenreduktion während der Erstarrung |
US6125916A (en) * | 1996-11-12 | 2000-10-03 | Giovanni Arvedi | Apparatus for the high-speed continuous casting of good quality thin steel slabs |
ATE200155T1 (de) * | 1996-11-28 | 2001-04-15 | Siemens Ag | Verfahren zur parametrierung eines zum vergleich eines messsignals mit einem mustersignal dienenden fuzzy-automaten |
JPH10249492A (ja) * | 1997-03-11 | 1998-09-22 | Nippon Steel Corp | 鋼の連続鋳造用鋳型 |
DE19725433C1 (de) * | 1997-06-16 | 1999-01-21 | Schloemann Siemag Ag | Verfahren und Vorrichtung zur Durchbruchfrüherkennung beim Stranggießen von Stahl mit einer oszillierenden Kokille |
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 |
-
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
Non-Patent Citations (1)
Title |
---|
See references of WO0074878A1 * |
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 |
CA2375133A1 (en) | 2000-12-14 |
MXPA01012413A (es) | 2004-09-10 |
EP1183118B1 (de) | 2003-01-02 |
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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