EP0985472B1 - Verfahren zum Betreiben einer Horizontal-Bandgiessanlage - Google Patents

Verfahren zum Betreiben einer Horizontal-Bandgiessanlage Download PDF

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Publication number
EP0985472B1
EP0985472B1 EP99116714A EP99116714A EP0985472B1 EP 0985472 B1 EP0985472 B1 EP 0985472B1 EP 99116714 A EP99116714 A EP 99116714A EP 99116714 A EP99116714 A EP 99116714A EP 0985472 B1 EP0985472 B1 EP 0985472B1
Authority
EP
European Patent Office
Prior art keywords
temperature
metal strip
mold
temperature profile
computer
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.)
Expired - Lifetime
Application number
EP99116714A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0985472A1 (de
Inventor
Anwar Von Skroka
Hartmut Dipl.-Ing. Oelmann
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.)
Cunova GmbH
Original Assignee
KM Europa Metal 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
Application filed by KM Europa Metal AG filed Critical KM Europa Metal AG
Publication of EP0985472A1 publication Critical patent/EP0985472A1/de
Application granted granted Critical
Publication of EP0985472B1 publication Critical patent/EP0985472B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B22D11/14—Plants for continuous casting

Definitions

  • the invention relates to a method for the production-optimized operation of a Horizontal strip casting.
  • a conventional horizontal belt caster for producing a coil wound metal strip initially comprises an oven (holding oven or hottop), at the outlet of which a chilled mold is flanged, the mold outlet of which Cross section of the metal strip determined.
  • a pulling unit is arranged at a distance from the mold.
  • the metal band is between several horizontally extending pulling rollers in the horizontal direction passed through the puller.
  • the metal strip is removed from the pulling unit horizontal level continued to a rolling unit.
  • the roll-in unit is with provided several winding rollers, which bend the metal strip, so that it after the exit from the roll-in unit is stored in a coil.
  • a belt cutting unit that supports the rolls in the longitudinal direction of the metal strip is displaceable and the metal strip separates when a coil is has reached a predetermined diameter.
  • the movements of the peeling rollers of the peeling unit, the belt cutting unit and the The reel-up reels are usually programmable via a memory Control or coupled together via the cast metal strip.
  • the known method therefore does not provide any information about the temperature distribution across the entire width of the metal band. As a result, holes can or cracks in the metal strip can only be detected by chance. So it can using the known methods can not be ensured that the ultimately wound coils are in a perfect quality condition. The quality of the products made from the coils cannot be reduced be excluded.
  • JP-A-10071453 is also a system for the horizontal casting of Strands of metal are known at which the surface temperature of a strand captured directly at the exit of the mold with a camera and the image signal on a computer is transmitted.
  • the invention is based on the object Process for the production-optimized operation of a horizontal strip caster with which the operator of the horizontal strip caster to everyone Time of pouring over the temperature level and thus over the condition in every surface area of the metal strip is informed.
  • the central point of the invention is the positioning of a non-contact person Infrared scanners directly at the mold exit. Because the temperature measuring head of the infrared scanner is movable, the entire width of the metal band be scanned in a fan shape. The scanning is preferably carried out up to approximately ten times a second. The temperature values determined by the infrared scanner are then considered taking into account the parameterized emission factors forwarded to a computer. The computer then creates on the basis of the temperature values either a color-graded graph or a temperature profile graph showing the temperature across the width of the metal strip. These diagrams can now optionally be viewed in succession on one screen or side by side or visualized on two separate screens become. The operator of the recognizes the curves in the diagrams Horizontal belt caster immediately critical situations and therefore can react immediately and carry out suitable adaptation measures.
  • the calculator is able to report temperature anomalies across the entire width of the Recognizing metal strips is another advantage within the scope of the invention therein seen that when exceeding or falling below predetermined upper and lower temperature limit values of the computer trigger an alarm or even can bring the horizontal strip caster to a standstill.
  • This is the Computer coupled to the puller unit via a programmable logic controller.
  • the computer can trigger an alarm with a delayed shutdown, so that the operator on in any case still react and take appropriate measures to normalize the temperature can perform.
  • the computer recognizes a significant shortfall the temperature or even a demolition, it sets the entire horizontal belt caster quiet. A major loss of production can thereby be avoided become.
  • FIG. 1 is a horizontal strip caster for producing one a copper alloy existing metal strip 2 with a rectangular flat Cross-section called.
  • the horizontal belt caster 1 comprises a holding furnace 3, one on the latter flanged cooled mold 4, a pulling unit 5 with pulling rollers 6 and one Rolling unit, not shown, where the metal strip 2 is wound into a coil becomes.
  • an infrared scanner 8 with the entire width B of the metal strip 2 scanning movable temperature measuring head 9 positioned (see also Figures 2 and 3).
  • the temperature measuring head 9 scans the entire width in a fan shape B of the metal strip 2 from ( Figure 3).
  • the infrared scanner 8 is connected via a line 13 coupled to a computer 10 with an associated screen 11.
  • the calculator 10 in turn is via a line 14 to a programmable logic controller 12 connected, which in turn via a line 15 with the not shown Drive of the pulling rollers 6 of the pulling unit 5 is connected.
  • programmable controller 12 via a line 16 otherwise not Coupled in more detail with the rolling unit.
  • Each length of the metal strip 2 is immediately after the exit from the Mold 4 in the fan-shaped, which can be seen in particular from FIGS. 1 and 3 Way scanned by the infrared scanner 8.
  • the scanning is done at a frequency performed by 10 pulses per second.
  • the infrared scanner 8 directs the taking into account the parameterized emission factors determined temperature values of the metal strip 2 then to the computer 10.
  • Screen 11 is either a color chart or color chart 4 shows a temperature profile 18 with the representation of the temperature T above the width B of the metal strip 2.
  • FIG. 4 Profile 18 the individual curve sections 19-23 in Figures 2 and 3 with regard to the metal strip 2 by different stripes structuring is identified.
  • the diagram according to FIG. 4 also shows the permissible lower temperature value by a dash-dotted line 24 and the upper temperature value by a dash-dotted line 25 illustrates.
  • FIGS. 5 to 7 illustrate a manufacturing situation in which the Infrared scanner 8 has a lateral area 26 on the metal strip 2 with an inflated one Detects temperature and visualized on screen 11, the above the allowable upper temperature value corresponds to line 25. The operator can now on Screen 11 recognize this situation on the basis of the temperature profile 18a initiate suitable countermeasures.
  • FIGS. 8 to 10 show a production situation in which the metal strip 2 is torn off in area 27.
  • the infrared scanner 8 takes no heat radiation here true, whereby according to FIG. 10 a temperature profile 18b on the screen 11 is visualized at which the lower temperature limit corresponds to line 24 is below and an alarm with immediate shutdown of the entire horizontal strip caster 1 is triggered.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Radiation Pyrometers (AREA)
  • Continuous Casting (AREA)
  • Sawing (AREA)
  • Road Signs Or Road Markings (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Revetment (AREA)
  • Replacement Of Web Rolls (AREA)
  • Coating With Molten Metal (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Control And Safety Of Cranes (AREA)
  • Casting Devices For Molds (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
EP99116714A 1998-09-09 1999-08-26 Verfahren zum Betreiben einer Horizontal-Bandgiessanlage Expired - Lifetime EP0985472B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19841116 1998-09-09
DE19841116A DE19841116A1 (de) 1998-09-09 1998-09-09 Verfahren zum Betreiben einer Horizontal-Bandgießanlage und Horizontal-Bandgießanlage zur Durchführung des Verfahrens

Publications (2)

Publication Number Publication Date
EP0985472A1 EP0985472A1 (de) 2000-03-15
EP0985472B1 true EP0985472B1 (de) 2004-04-07

Family

ID=7880309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99116714A Expired - Lifetime EP0985472B1 (de) 1998-09-09 1999-08-26 Verfahren zum Betreiben einer Horizontal-Bandgiessanlage

Country Status (12)

Country Link
US (1) US6450239B1 (pl)
EP (1) EP0985472B1 (pl)
KR (1) KR100611082B1 (pl)
CN (1) CN1196550C (pl)
AT (1) ATE263646T1 (pl)
DE (2) DE19841116A1 (pl)
DK (1) DK0985472T3 (pl)
ES (1) ES2218911T3 (pl)
HU (1) HU222002B1 (pl)
PL (1) PL190066B1 (pl)
PT (1) PT985472E (pl)
TW (1) TW450851B (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT510662B1 (de) * 2010-08-13 2014-01-15 Voestalpine Stahl Gmbh Vorrichtung und verfahren zum berührungslosen erkennen wenigstens einer fehlerstelle und/oder mindestens einer abmessung an einem warmen stranggegossenen material
KR102155427B1 (ko) * 2018-11-26 2020-09-11 현대제철 주식회사 몰드 실링 이상 감지 장치 및 방법
CN115121771B (zh) * 2022-07-27 2023-06-09 西北工业大学 一种金属型材智能化超声连铸方法及测控装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816143B2 (ja) * 1975-06-26 1983-03-29 新日本製鐵株式会社 キンゾクザイリヨウノヒヨウメンキズケンシユホウホウ
JPS55133858A (en) * 1979-04-05 1980-10-18 Hiyuutec:Kk Surface temperature detecting method of continuous cast slab and device thereof
US4306610A (en) * 1979-10-03 1981-12-22 Korf Technologies, Inc. Method of controlling continuous casting rate
JPS5671565A (en) * 1979-11-14 1981-06-15 Nippon Steel Corp Measuring method for ingot temperature in continuous casting
US4408903A (en) * 1981-03-30 1983-10-11 Southwire Company Method of and apparatus for radiation pyrometric temperature measurement of a continuous cast metal bar
JPS5813456A (ja) * 1981-07-15 1983-01-25 Nippon Kokan Kk <Nkk> 連続鋳造機における鋳片監視装置
GB2109924B (en) * 1981-11-25 1985-02-06 Schlumberger Electronics Apparatus and method for measuring temperature profile
AT378707B (de) * 1983-01-11 1985-09-25 Voest Alpine Ag Verfahren zum ueberwachen einer bogenstranggiessanlage
DE3339160C2 (de) * 1983-10-28 1986-03-20 Carl Still Gmbh & Co Kg, 4350 Recklinghausen Verfahren und Vorrichtungen zur Glutnestererfassung und Ablöschung des auf der Koksrampe liegenden Kokses
JPS60191641A (ja) * 1984-03-14 1985-09-30 Nippon Mining Co Ltd 金属の水平連続鋳造法
US5267604A (en) * 1989-11-03 1993-12-07 Steel Casting Engineering, Ltd. Motion control system for horizontal continuous caster
JPH03193244A (ja) * 1989-12-25 1991-08-23 Nisshin Steel Co Ltd 薄板連続鋳造方法
JPH05104209A (ja) * 1991-02-19 1993-04-27 Hitachi Metals Ltd 水平連続鋳造方法とその装置
US5673746A (en) * 1994-08-25 1997-10-07 Massachusetts Institute Of Technology Solid/liquid interface detection in casting processes by gamma-ray attenuation
JPH1071453A (ja) * 1996-08-28 1998-03-17 Sumitomo Metal Ind Ltd 水平連続鋳造におけるブレークアウト予測方法
US6056041A (en) * 1997-06-12 2000-05-02 Alcan International Limited Method and apparatus for controlling the temperature of an ingot during casting, particularly at start up

Also Published As

Publication number Publication date
CN1196550C (zh) 2005-04-13
HU9903035D0 (en) 1999-11-29
PL335321A1 (en) 2000-03-13
PL190066B1 (pl) 2005-10-31
HK1026173A1 (en) 2000-12-08
TW450851B (en) 2001-08-21
US6450239B1 (en) 2002-09-17
ES2218911T3 (es) 2004-11-16
DK0985472T3 (da) 2004-08-09
DE19841116A1 (de) 2000-03-16
EP0985472A1 (de) 2000-03-15
DE59909093D1 (de) 2004-05-13
PT985472E (pt) 2004-08-31
ATE263646T1 (de) 2004-04-15
CN1250698A (zh) 2000-04-19
HUP9903035A1 (hu) 2000-06-28
HU222002B1 (hu) 2003-03-28
KR100611082B1 (ko) 2006-08-10
KR20000022937A (ko) 2000-04-25

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