EP1108486A1 - Verfahren zur Überwachung des individuellen Prozessverlaufs von Transportbehältern für metallische Schmelze sowie System hierzu - Google Patents
Verfahren zur Überwachung des individuellen Prozessverlaufs von Transportbehältern für metallische Schmelze sowie System hierzu Download PDFInfo
- Publication number
- EP1108486A1 EP1108486A1 EP00126342A EP00126342A EP1108486A1 EP 1108486 A1 EP1108486 A1 EP 1108486A1 EP 00126342 A EP00126342 A EP 00126342A EP 00126342 A EP00126342 A EP 00126342A EP 1108486 A1 EP1108486 A1 EP 1108486A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- transport container
- station
- individual
- data
- 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
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000012544 monitoring process Methods 0.000 title claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 4
- 239000000155 melt Substances 0.000 title claims description 9
- 239000002184 metal Substances 0.000 title abstract 2
- 238000011156 evaluation Methods 0.000 claims abstract description 10
- 239000000969 carrier Substances 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000011819 refractory material Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005094 computer simulation Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims 1
- 238000004364 calculation method Methods 0.000 description 3
- 238000013021 overheating Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007493 shaping process 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
- B22D46/00—Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons
Definitions
- the invention relates to a method for monitoring the individual process of transport containers for metallic melt, in particular the course of the process between the melting unit and the casting station, as well as a system For this.
- Transport containers for metallic melt serve as bridging agents Paths between the melting unit, for example an electric arc furnace or converter, and the casting station, for example a continuous caster.
- the Metallurgical aftertreatment of steel is becoming less common today Melting unit, but largely downstream in the ladle secondary metallurgical treatment stations. After emptying of the melt in the distributor of the continuous caster reaches the ladle. After a short hot repair - back to their starting point, and a new work cycle begins.
- Such pans are lined with refractory material around the melt isolate during transport and thus a low heat loss in particular to ensure during the relatively long casting and hanging times at the casting station. It depends on the degree of wear of the refractory material to increase the heat loss of the pan, this heat loss determined during the casting process and by introducing overheating energy into the Melt must be balanced.
- Such wear processes are individually dependent on the number of work cycles, but also from the process route of each pan that determines is determined by the dwell times of the steel in the ladle as a result of transportation time, Waiting times between the process stages or treatment times within the process stages.
- the treatment temperatures also influence the Degree of wear.
- the invention is therefore based on the object of a method and to create a system of the generic type with which monitoring the individual process of each transport container automatically he follows.
- each individual transport container at least one is automatically identified by determining the data individual information carrier attached to each transport container at Moving the transport container past at least one, preferably several, stationary stations along the process route, as well as the independent Forward this combined location-container information to Evaluation system for computer-aided determination of the transport container logistics and the parameter for subsequent processes.
- the recorded data from a container serve at a specific location as a database for a computer model.
- a specific location as a database for a computer model.
- the pan determines and depending on this the parameters for subsequent ones Processes, especially the setting of superheating temperatures during casting each melt and the time of the new delivery of the transport container with refractory material.
- the proposed system includes individual information carriers, with which the respective transport containers are provided with for their identification, at least a station arranged along the process route of the transport containers is - preferably at the respective treatment stations of the melt -, these stations being provided with means for determining the data which is are on the information carriers of the transport containers, the transport containers move past the stations at a specified distance or spaced apart from this for a certain period of time, and with funds for the independent forwarding of this information to computer-aided evaluation systems.
- the transport containers have even the means for transmitting - coded - data to the respective Stations on, preferably in the form of transponders according to claim 5.
- a transponder based on microwaves is proposed.
- the Identification data are arranged in the transponder on the transport container is saved and transmitted to the respective station when it is approached.
- the distance between the transport container and the station can be between 3 and 10 m. Both the transponder and the station are with one harsh environmental and thermal and mechanical Provide protection.
- Figure 1 shows a casting station 1 with two ladles 2a, 2b, which are on a common Ladle turret 3 are suspended for a sequence casting process.
- the ladle turret enables precise and quick positioning of the respective Pan over the distributor 4.
- Via the distributor 4 or via an immersion tube 5 flows melt 6 into the mold 7 arranged below the distributor Shaping the melt as a slab, billet etc.
- Each ladle 2a, 2b is provided with a microwave transponder on its outer surface or jacket 8 provided. It is a transmitting and receiving device, that after a received and evaluated request from a Station, here designated 9, an answer in the scope of the respective stored Container data issued to them. Communication between transponders 8 and station 9 with the corresponding request system is here over a beam 10 made visible. By identifying each pan will be on Based on the data collected in the course of the process, conclusions can be drawn, for example the degree of wear of the refractory material delivery of the pan and the necessary melt temperatures for a safe casting temperature is calculated and set during tapping in the melting unit.
- a thermal camera 11 reads an individual one thermal pattern.
- the pan jacket 12 in one Distance of about 100 mm with the help of fasteners 13a, 13b Plate 14 - for example with dimensions of 1200 mm in height and 500 mm Width - attached.
- the plate itself is made of refractory material.
- To go through natural convection of the air flowing past a reduction in the plate surface temperature To get the plate is on the pan shell side facing away with ribbed metallic elements 15.
- surface temperatures of the plate between 80 and 100 ° C are reached, while the pan jacket has surface temperatures of around 200 ° C.
- Such a plate 14 is provided with an individual pattern for each container ( Figures 3 and 4).
- the respective thermal Read pattern when a pan is near a thermal camera which are arranged at the respective process stations, for example the Melting station, the station for secondary treatment of the melt and the Casting station according to Figure 1.
- the recorded thermal pattern is forwarded by this camera 11 to an evaluation system 16, in which the results of the other patterns of the different stations also come in here designated 17.
- These patterns are processed using a computer model, and conclusions, for example, on the point in time from the data obtained the next fireproof delivery of the pan or the settings for further processes are calculated and sent to the corresponding control variable (18) Devices are given, for example to the melting unit for adjustment the corresponding superheating temperatures.
- This database is not only for Use the calculations for relining the pans and calculations of overheating temperatures.
- the calculation is conceivable of all sizes that go into ladle logistics. For example, if there is a failure If one of the pans is observed, the process of the other pans can be coordinated and be adapted to the new situation.
- FIGS. 3 and 4 each show a plate 114, 214 which acts as an information carrier serves in the thermal pattern evaluation.
- the plate 114 of Figure 3 has pre-screened pattern 115, with the different choice of openings - here, for example, only one breakthrough is designated 116 - an individual one Pattern is created that is characteristic of a pan.
- the plate according to Figure 3 is characterized in that its pattern in the first and fourth Row from the top in the right column has no breakthrough.
- the left Column of each plate has openings in each perforated window and serves as reference column 117, 217.
- the plate according to FIG. 4 is in this comparison not individualized. So attached to the pan shell, they allow Plate the view of the pan jacket through the respective openings.
- a thermal camera attached to the stations detects one when it approaches Pan a thermal pattern, which is made up of hot areas and cooler ones Areas composed depending on whether the respective breakthrough is looking at the pan shell allows-
- the currently recorded video image is - as described in Figure 2 - one Evaluation system supplied.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Control Of Conveyors (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Warehouses Or Storage Devices (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Description
- Figur 1
- eine erste Ausführungsform des Systems mit einem Transponder am Transportbehälter;
- Figur 2
- eine zweite Ausführungsform des Systems auf Grundlage einer thermischen Musterauswertung.
Claims (9)
- Verfahren zur Überwachung des individuellen Prozeßverlaufs von Transportbehältern für metallische Schmelze, insbesondere des Prozeßverlaufs zwischen dem Schmelzaggregat und der Gießstation,
gekennzeichnet durch folgende Schritteautomatische Identifizierung jedes einzelnen Transportbehälters (2a, 2b, 12) durch Ermittlung der Daten mindestens eines an jedem Transportbehälter angebrachten individuellen Informationsträgers (8, 14, 114, 214) bei der Vorbeibewegung oder zeitweisen Wartens des Transportbehälters an mindestens einer ortsfest angeordneten Station (9, 11) entlang der Prozeßroute,selbständige Weiterleitung dieser kombinierten Ort-Behälter-Informationen an ein Auswertesystem (16) zur rechnergestützten Ermittlung der Transportbehälterlogistik und der Parameter für nachfolgende Prozesse in Abhängigkeit des individuellen Prozeßverlaufs eines jeden Transportbehälters. - System zur Durchführung des Verfahrens nach Anspruch 1, umfassendindividuelle Informationsträger (8, 14, 114, 214), mit denen die jeweiligen Transportbehälter (2a, 2b, 12) zu ihrer Identifizierung versehen sind,mindestens eine Station (9, 11), die entlang der Prozeßroute der Transportbehälter angeordnet ist, mit Mitteln (9a, 11a) zur Ermittlung der auf den Informationsträgern gegebenen Daten der sich an den Stationen vorbeibewegenden oder an diesen für einen bestimmten Zeitraum wartenden Transportbehälter sowieMittel zur selbständigen Weiterleitung dieser Informationen an rechnergestützte Auswertesysteme (16) zur Bestimmung der Transportbehälterlogistik und der Parameter für nachfolgende Prozesse in Abhängigkeit der aufgenommenen und verarbeiteten Daten über den jeweils, auf seiner individuellen Prozeßroute verfolgten Transportbehälter.
- System nach Anspruch 2,
dadurch gekennzeichnet,
daß der jeweilige Transportbehälter Mittel (8) zur Übertragung von Daten an die jeweilige Station (9) aufweist. - System nach Anspruch 2,
dadurch gekennzeichnet,
daß die jeweilige Station (11) mit Auslesemitteln (11a) für die Daten auf den Informationsträgern (14, 114, 214) versehen sind. - System nach Anspruch 3,
dadurch gekennzeichnet,
daß der Informationsträger eine Sende- und Empfangseinrichtung (8) umfaßt, die an dem Transportbehälter (2a, 2b) angebracht ist und die nach einer empfangenen und ausgewerteten Anfrage von einer Station eine Antwort im Umfang der Behälterdaten an diese erteilt. - System nach Anspruch 4
dadurch gekennzeichnet,
daß der Informationsträger eine Platte (14, 114, 214) umfaßt, die mit einem Abstand an dem Mantel des Transportbehälters angeordnet ist und die mit einem Muster versehen ist, das den jeweiligen Behälter individualisiert, und daß die Informationsaufnahmemittel an den Stationen (11) Kameras (11a) zum Lesen der individuellen Muster umfassen. - System nach Anspruch 6,
dadurch gekennzeichnet,
daß die Platte mit einem durch Durchbrüche eingebrachten und individualisierten Muster versehen ist, und Thermokameras das sich ergebende thermische Muster auslesen. - System nach Anspruch 7,
dadurch gekennzeichnet,
daß die Platte aus Feuerfestmaterial besteht und an ihrer vom Transportbehältermantel abgewandten Seite mit gerippten metallischen Elementen (15) belegt ist zur Einstellung einer im Verhältnis zum Behältermantel niedrigeren Temperatur. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
daß die Daten des Prozeßverlaufs von Stahlgießpfannen (2a, 2b, 12) nach Route und Zeitintervallen von dem Schmelzaggregat bis zur Gießstation (1) sowie zurück aufgenommen werden, daß diese als Datengrundlage in ein Rechnermodell eingehen und in Abhängigkeit davon die notwendigen Überhitzungstemperaturen beim Gießen jeder Schmelze sowie der Zeitpunkt der Neuzustellung des Transportbehälters mit wärmedämmendem Material rechnergestützt ermittelt werden.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19960594A DE19960594A1 (de) | 1999-12-16 | 1999-12-16 | Verfahren zur Überwachung des individuellen Prozessverlaufs von Transportbehältern für metallische Schmelze sowie System hierzu |
DE19960594 | 1999-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1108486A1 true EP1108486A1 (de) | 2001-06-20 |
EP1108486B1 EP1108486B1 (de) | 2005-10-19 |
Family
ID=7932817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00126342A Expired - Lifetime EP1108486B1 (de) | 1999-12-16 | 2000-12-02 | Verfahren zur Überwachung des individuellen Prozessverlaufs von Transportbehältern für metallische Schmelze sowie System hierzu |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1108486B1 (de) |
AT (1) | ATE306997T1 (de) |
DE (2) | DE19960594A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT15314U1 (de) * | 2014-11-11 | 2017-05-15 | Primetals Technologies Austria GmbH | Halterung zur Aufnahme mindestens einer Identifikationsmarke und metallurgisches Gefäß mit einer solchen Halterung sowie Identifikationsmarke |
DE102016112175B3 (de) * | 2016-07-04 | 2017-12-28 | Salzgitter Flachstahl Gmbh | Verfahren zur Optimierung der Abläufe in einem Schmelzbetrieb mittels Positionserfassung von Transportbehältnissen in Echtzeit |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10153989A1 (de) * | 2001-11-06 | 2003-05-22 | Convenience Food Sys Wallau | Vorrichtung und Verfahren zur Verbesserung der Produktqualität |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0027237A1 (de) * | 1979-10-12 | 1981-04-22 | Georg Fischer Aktiengesellschaft | Einrichtung zur Identifizierung von Giessformeinheiten einer Giessstrasse |
GB1593134A (en) * | 1977-02-03 | 1981-07-15 | Citroen Sa | Installation and process for identifying moulds in a founddry line |
JPS62252663A (ja) * | 1986-04-25 | 1987-11-04 | Kobe Steel Ltd | 溶鋼鍋トラツキング装置 |
-
1999
- 1999-12-16 DE DE19960594A patent/DE19960594A1/de not_active Withdrawn
-
2000
- 2000-12-02 EP EP00126342A patent/EP1108486B1/de not_active Expired - Lifetime
- 2000-12-02 AT AT00126342T patent/ATE306997T1/de not_active IP Right Cessation
- 2000-12-02 DE DE50011366T patent/DE50011366D1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1593134A (en) * | 1977-02-03 | 1981-07-15 | Citroen Sa | Installation and process for identifying moulds in a founddry line |
EP0027237A1 (de) * | 1979-10-12 | 1981-04-22 | Georg Fischer Aktiengesellschaft | Einrichtung zur Identifizierung von Giessformeinheiten einer Giessstrasse |
JPS62252663A (ja) * | 1986-04-25 | 1987-11-04 | Kobe Steel Ltd | 溶鋼鍋トラツキング装置 |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 012, no. 126 (M - 687) 19 April 1988 (1988-04-19) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT15314U1 (de) * | 2014-11-11 | 2017-05-15 | Primetals Technologies Austria GmbH | Halterung zur Aufnahme mindestens einer Identifikationsmarke und metallurgisches Gefäß mit einer solchen Halterung sowie Identifikationsmarke |
DE102016112175B3 (de) * | 2016-07-04 | 2017-12-28 | Salzgitter Flachstahl Gmbh | Verfahren zur Optimierung der Abläufe in einem Schmelzbetrieb mittels Positionserfassung von Transportbehältnissen in Echtzeit |
Also Published As
Publication number | Publication date |
---|---|
EP1108486B1 (de) | 2005-10-19 |
ATE306997T1 (de) | 2005-11-15 |
DE50011366D1 (de) | 2005-11-24 |
DE19960594A1 (de) | 2001-06-21 |
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