EP3830507A1 - Rollenherdofen - Google Patents

Rollenherdofen

Info

Publication number
EP3830507A1
EP3830507A1 EP19748502.2A EP19748502A EP3830507A1 EP 3830507 A1 EP3830507 A1 EP 3830507A1 EP 19748502 A EP19748502 A EP 19748502A EP 3830507 A1 EP3830507 A1 EP 3830507A1
Authority
EP
European Patent Office
Prior art keywords
scale
furnace
rollers
roller hearth
barriers
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
Application number
EP19748502.2A
Other languages
English (en)
French (fr)
Other versions
EP3830507B1 (de
Inventor
Björn Kintscher
Karl Hoen
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 Group GmbH
Original Assignee
SMS Group GmbH
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 SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP3830507A1 publication Critical patent/EP3830507A1/de
Application granted granted Critical
Publication of EP3830507B1 publication Critical patent/EP3830507B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path being carried by a conveyor
    • F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path being carried by a conveyor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B2009/3072—Balancing the pressure between the upper part and the lower part of the kiln, above and under the track

Definitions

  • the invention relates to a roller hearth furnace, in particular tunnel furnace of a thin slab system, comprising a plurality of cooled furnace rollers, which are arranged at a distance from one another in the transport direction and which have a number of support rings on a rotatably mounted axis and in the axial area between two day rings and next to the for transporting a strip or a slab each outer support rings are formed with insulation made of a highly insulating fiber material, and scale funnels arranged below the furnace rollers.
  • furnace rollers which are provided with insulation provided between and next to the support rings, are known from WO 2018/059940 A1.
  • a roller hearth furnace with scale funnels arranged below the furnace rollers has become known, for example, from JP 64075887 A.
  • the known furnace rollers of a roller hearth furnace or a tunnel furnace with support rings that transport a belt or a slab have water cooling in order to protect the furnace rollers from excessive temperatures and the associated premature failure.
  • the associated heat extraction from the furnace or high energy consumption in the furnace is reduced in the furnace rollers by means of a heat insulation of the support axis made of a fiber material next to and between the support rings.
  • the heat insulation further ensures that the heat treated material, strips or slabs are not inadmissibly cooled and, on the other hand, the supporting axis of the furnace roller is not inadmissibly heated.
  • the oven rolls with thermal insulation made of, for example, a refractory, highly insulating fiber material or a fiber wool, which is Fiber material or the refractory wool is preferably aluminum oxide and / or silicon oxide, have a significantly lower weight than oven rolls known in the prior art with a more resistant thermal insulation made of concrete.
  • a disadvantage of the fiber-insulated oven roll is that the highly insulating fiber material or fiber wool is attacked by scale or scale particles flying around and gradually removed or destroyed. As a result, the thermal insulation decreases and the furnace rollers with the support rings must be replaced prematurely.
  • the invention is therefore based on the object of providing a device for a generic roller hearth furnace with which the negative effect of scale or scale particles on the fiber material or fiber wool can be significantly reduced and thus the service life of the fiber-insulated furnace roller can be increased.
  • this object is achieved in that scale barriers extending transversely to the transport direction are provided in the spaces between each two furnace rolls which follow one another in the transport direction.
  • the tinder detaching and flying around during transport is intercepted by the tinder barriers and into the respective tundish funnels is derived.
  • the scale can therefore no longer penetrate into the insulating fiber material or the insulating fiber wool of the adjacent oven roll, which increases the service life of the heat insulation and, as a result, the service life of the heat-insulated oven roll.
  • the energy saving of the roller hearth or tunnel oven is ensured over a longer period of time.
  • axially adjacent to at least one of the support rings means in particular in the axial region between two support rings and / or axially next to at least one of the outer support rings.
  • a preferred embodiment of the invention provides that the scale barriers are rod-shaped and consist of a heat-resistant material.
  • the rod-shaped design of the scale barriers favors their simple lubrication position and arrangement between the adjacent furnace rollers.
  • the rod-shaped scale barriers are preferably made of steel or refractory material or cast as a molded part.
  • the arrangement or fastening of the scale barriers takes place on the funnel walls delimiting the scale funnels and / or self-supporting above the scale funnels.
  • the scale barriers end somewhat below the transport plane of the oven rolls without contact with the transported goods. This means that there is no harmful mechanical impact of the scale barriers on the surface of the strip or slab facing them, but only that the detaching scale or scale particles are intercepted and discharged into the scale hopper. Further features and details of the invention result from the patent claims and the following description of an embodiment shown in the drawing.
  • the single figure shows a schematic representation of an arrangement of cooled furnace rollers 1, which are provided in a roller hearth or tunnel furnace, not shown.
  • the furnace rollers 1 transport a heat treatment material, for example a belt or a slab, through the roller hearth or tunnel furnace in the transport direction T.
  • the furnace rollers 1 are designed in detail as known as such from WO 2018/059940 A1, i.e. its support axis is provided with thermal insulation made of a fiber material or a fiber wool.
  • scale funnels 2 are provided, which are delimited by funnel walls 3 made of a refractory material.
  • rod-shaped scale barriers 4 extending transversely to the transport direction T are provided.
  • the scale barriers 4 are arranged on the one hand on the funnel walls 3 and on the other hand self-supporting, i.e. provided with fastening at each of their rod ends, above the scale funnels 2, the scale barriers 4 ending somewhat below the transport plane 5 of the furnace rollers 1 without contact with the transported heat treatment material, so that only a very small vertical gap between the transport plane 5 and the upper edges of the scale barriers 4 is present.
  • the scale barriers 4 are made of steel or a refractory material or cast as a molded part.
  • scale detaches from the heat treatment material, which then flies around in the vicinity of the furnace rollers 1 and attacks or destroys the insulation of the furnace rollers 1, which is made of fiber material or fiber wool.
  • the scale accumulated in the scale funnels 2 can be disposed of via scale doors 6 provided at the lower end of the scale funnels 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Tunnel Furnaces (AREA)

Abstract

Die Erfindung betrifft einen Rollenherdofen, insbesondere Tunnelofen einer Dünnbrammenanlage, umfassend zum Transport eines Bandes oder einer Bramme mehrere in Transportrichtung (T) beabstandet voneinander angeordnete, gekühlte Ofenrollen (1), die auf einer drehbar gelagerten Achse eine Anzahl von Tragringen aufweisen und im axialen Bereich zwischen zwei Tragringen sowie neben den jeweils äußeren Tragringen mit einer Isolierung aus einem hoch- isolierenden Fasermaterial ausgebildet sind, und unterhalb der Ofenrollen (1) angeordnete Zundertrichter (2). Um die negative Einwirkung von Zunder bzw. Zunderpartikeln auf das isolierende Fasermaterial der Ofenrolle deutlich zu verringern und somit die Standzeit der Ofenrolle zu erhöhen, wird erfindungsgemäß vorgeschlagen, dass in den Freiräumen zwischen jeweils zwei in Transportrichtung (T) aufeinanderfolgenden Ofenrollen (1) sich wie die Ofenrollen (1) quer zur Transportrichtung (T) erstreckende Zunderbarrieren (4) vorgesehen sind.

Description

Rollenherdofen
Die Erfindung betrifft einen Rollenherdofen, insbesondere Tunnelofen einer Dünnbrammenanlage, umfassend zum Transport eines Bandes oder einer Bramme mehrere in Transportrichtung beabstandet voneinander angeordnete, gekühlte Ofenrollen, die auf einer drehbar gelagerten Achse eine Anzahl von Tragringen aufweisen und im axialen Bereich zwischen zwei Tagringen sowie neben den jeweils äußeren Tragringen mit einer Isolierung aus einem hochisolierenden Fasermaterial ausgebildet sind, und unterhalb der Ofenrollen angeordnete Zundertrichter.
Derartige, mit zwischen und neben den Tragringen vorgesehenen Isolierungen ausgebildete Ofenrollen sind aus der WO 2018/059940 A1 bekannt. Ein Rollenherdofen mit unterhalb der Ofenrollen angeordneten Zundertrichtern ist beispielsweise durch die JP 64075887 A bekannt geworden.
Die bekannten Ofenrollen eines Rollenherdofens bzw. eines Tunnelofens mit ein Band oder eine Bramme transportierenden Tragringen haben eine Wasserkühlung, um die Ofenrollen vor zu hohen Temperaturen und damit verbundenem vorzeitigen Versagen zu schützen. Der damit einhergehende Wärmeentzug des Ofens respektive hohe Energieverbrauch im Ofen wird bei den Ofenrollen über eine neben und zwischen den Tragringen vorgesehene Wärmeisolierung der Tragachse aus einem Fasermaterial verringert.
Die Wärmeisolierung sorgt weiterhin dafür, dass einerseits das Wärmebehandlungsgut, Bänder oder Brammen, nicht unzulässig gekühlt und andererseits die Tragachse der Ofenrolle nicht unzulässig erhitzt wird. Die Ofenrollen mit einer Wärmeisolierung aus einem beispielsweise feuerfesten, hochisolierenden Fasermaterial oder einer Faserwolle, wobei es sich bei dem Fasermaterial bzw. der Feuerfestwolle vorzugsweise um Aluminium-Oxid und/oder Silizium-Oxid handelt, weisen ein wesentlich geringeres Gewicht als im Stand der Technik bekannte Ofenrollen mit einer widerstandsfähigeren Wärmeisolierung aus Beton auf.
Als nachteilig erweist sich bei der faserisolierten Ofenrolle, dass das hochisolierende Fasermaterial bzw. die Faserwolle durch umherfliegenden Zunder bzw. Zunderpartikel angegriffen und nach und nach abgetragen oder zerstört wird. Damit einhergehend lässt die Wärmeisolierung nach und die Ofenrollen mit den Tragringen müssen vorzeitig getauscht werden.
Bei Rollenherdöfen mit unterhalb der wärmeisolierten Ofenrollen angeordneten Zundertrichtern wird der sich beim Transport der Bänder oder Brammen mittels der Tragringe ablösende und im Nahbereich der Ofenrollen umherfliegende Zunder von den Zundertrichtern aufgefangen und in diesen bis zur temporären Entsorgung gesammelt.
Der Erfindung liegt daher die Aufgabe zugrunde, für einen gattungsgemäßen Rollenherdofen eine Einrichtung zu schaffen, mit der sich die negative Einwirkung von Zunder bzw. Zunderpartikeln auf das Fasermaterial oder die Faserwolle deutlich verringern und somit die Standzeit der faserisolierten Ofenrolle erhöhen lässt.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass in den Freiräumen zwischen jeweils zwei in Transportrichtung aufeinanderfolgenden Ofenrollen sich wie die Ofenrollen quer zur Transportrichtung erstreckende Zunderbarrieren vorgesehen sind.
Dadurch wird vorteilhaft erreicht, dass der sich beim Transport von dem Wärmebehandlungsgut ablösende und umherfliegende Zunder von den Zunderbarrieren abgefangen und in die jeweils darunter liegenden Zundertrichter abgeleitet wird. Der Zunder kann somit nicht mehr zerstörend in das isolierende Fasermaterial bzw. die isolierende Faserwolle der jeweils benachbarten Ofenrolle eindringen, wodurch sich die Standzeit der Wärmeisolierung und damit einhergehend die Standzeit der wärmeisolierten Ofenrolle erhöht. Gleichzeitig wird die Energieeinsparung des Rollenherd- bzw. Tunnelofens über eine längere Zeit sichergestellt.
Der Begriff „axial benachbart zu mindestens einem der Tragringe bedeutet insbesondere im axialen Bereich zwischen zwei Tragringen und/oder axial neben mindestens einem der äußeren Tragringe.
Eine bevorzugte Ausgestaltung der Erfindung sieht vor, dass die Zunderbarrieren stabförmig ausgebildet sind und aus einem hitzebeständigen Material bestehen. Durch die stabförmige Ausbildung der Zunderbarrieren wird deren einfache Fierstellung und Anordnung zwischen den jeweils benachbarten Ofenrollen begünstigt. Die stabförmigen Zunderbarrieren sind vorzugsweise aus Stahl oder Feuerfestmaterial gefertigt oder als Formteil gegossen.
Nach einem Vorschlag der Erfindung erfolgt die Anordnung bzw. Befestigung der Zunderbarrieren auf den die Zundertrichter begrenzenden Trichterwänden und/oder selbsttragend über den Zundertrichtern.
Gemäß einer weiteren Ausgestaltung ist vorgesehen, dass die Zunderbarrieren ohne Kontakt zu dem transportierten Gut etwas unterhalb der Transportebene der Ofenrollen enden. Damit erfolgt keine schädliche mechanische Einwirkung der Zunderbarrieren auf die ihnen zugewandte Oberfläche des Bandes oder der Bramme, sondern ausschließlich ein Abfangen und Ableiten des sich ablösenden Zunders bzw. der Zunderpartikel in die Zundertrichter. Weitere Merkmale und Einzelheiten der Erfindung ergeben sich aus den Patentansprüchen und der nachfolgenden Beschreibung eines in der Zeichnung dargestellten Ausführungsbeispiels. Die einzige Figur zeigt in schematischer Darstellung eine Anordnung von gekühlten Ofenrollen 1 , die in einem nicht dargestellten Rollenherd- bzw. Tunnelofen vorgesehen werden. Die Ofenrollen 1 transportieren in Transportrichtung T ein Wärmebehandlungsgut, beispielsweise ein Band oder eine Bramme, durch den Rollenherd- bzw. Tunnelofen
Die Ofenrollen 1 sind im Einzelnen so ausgebildet, wie als solche aus der WO 2018/059940 A1 bekannt, d.h. ihre Tragachse ist mit einer Wärmeisolierung aus einem Fasermaterial oder einer Faserwolle versehen. Unterhalb der Ofenrollen 1 sind Zundertrichter 2 vorgesehen, die von aus einem Feuerfestmaterial bestehenden Trichterwänden 3 begrenzt werden.
In den Freiräumen zwischen den Ofenrollen 1 sind sich quer zur Transportrichtung T erstreckende, stabförmig ausgebildete Zunderbarrieren 4 vorgesehen. Die Zunderbarrieren 4 sind hierbei einerseits auf den Trichterwänden 3 angeordnet und andererseits selbsttragend, d.h. mit Befestigung jeweils an ihren Stabenden, über den Zundertrichtern 2 vorgesehen, wobei die Zunderbarrieren 4 ohne Kontakt zu dem transportierten Wärmebehandlungsgut etwas unterhalb der Transportebene 5 der Ofenrollen 1 enden, so dass nur ein sehr kleiner vertikaler Spalt zwischen der Transportebene 5 und den Oberkanten Zunderbarrieren 4 vorliegt.
Die Zunderbarrieren 4 sind aus Stahl oder einem Feuerfestmaterial gefertigt oder als Formteil gegossen. Beim Transport des Wärmebehandlungsgutes mittels der Ofenrollen 1 durch den Rollenherd- bzw. Tunnelofen löst sich Zunder von dem Wärmebehandlungsgut, der dann im Nahbereich der Ofenrollen 1 umherfliegt und die aus Fasermaterial oder Faserwolle bestehende Isolierung der Ofenrollen 1 angreift bzw. zerstört.
Durch die Zunderbarrieren 4 wird dies verhindert, denn der umherfliegende Zunder bzw. die Zunderpartikel werden von den Zunderbarrieren 4 abgefangen und in den jeweils darunterliegenden Zundertrichter 2 abgeleitet, so dass der Zunder wirkungsvoll von den jeweils neben den Zunderbarrieren 4 liegenden Ofenrollen 1 ferngehalten wird.
Das Ableiten des Zunders bzw. der Zunderpartikel durch die Zunderbarrieren 4 in die Zundertrichter 2 wird weiterhin dadurch unterstützt, dass die stabförmigen Zunderbarrieren 4 an ihren quer zur Transportrichtung T verlaufenden Längsseiten mit nach unten, zu den Zundertrichtern 2 hin sich konisch verjüngenden Schrägflächen ausgebildet sind.
Der in den Zundertrichtern 2 angesammelte Zunder kann über jeweils am unteren Ende der Zundertrichter 2 vorgesehene Zundertüren 6 entsorgt werden.
Bezugszeichenliste: 1 Ofenrolle
2 Zundertrichter
3 Trichterwände
4 Zunderbarriere
5 Transportebene 6 Zundertür
T Transportrichtung

Claims

Patentansprüche:
1. Rollenherdofen, insbesondere Tunnelofen einer Dünnbrammenanlage, umfassend zum Transport eines Bandes oder einer Bramme mehrere in
Transportrichtung (T) beabstandet voneinander angeordnete, gekühlte Ofenrollen (1 ), die auf einer drehbar gelagerten Achse eine Anzahl von Tragringen aufweisen und axial benachbart zu mindestens einem der Tragringe mit einer Isolierung aus einem hochisolierenden Fasermaterial ausgebildet sind, und unterhalb der Ofenrollen (1 ) angeordnete
Zundertrichter (2),
dadurch gekennzeichnet,
dass in den Freiräumen zwischen jeweils zwei in Transportrichtung (T) aufeinanderfolgenden Ofenrollen (1 ) sich wie die Ofenrollen (1 ) quer zur Transportrichtung (T) erstreckende Zunderbarrieren (4) vorgesehen sind.
2. Rollenherdofen nach Anspruch 1 ,
dadurch gekennzeichnet,
dass die Zunderbarrieren (4) stabförmig ausgebildet sind und aus einem hitzebeständigen Material bestehen.
3. Rollenherdofen nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass die Zunderbarrieren (4) auf den die Zundertrichter (2) begrenzenden Trichterwänden (3) und/oder selbsttragend über den Zundertrichtern (2) angeordnet sind.
4. Rollenherdofen nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
dass die Zunderbarrieren (4) ohne Kontakt zu dem transportierten Gut etwas unterhalb der Transportebene (5) der Ofenrollen (1 ) enden.
EP19748502.2A 2018-07-30 2019-07-26 Verwendung von zunderbarrieren in einem rollenherdofen Active EP3830507B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102018212703 2018-07-30
DE102018219927.2A DE102018219927A1 (de) 2018-07-30 2018-11-21 Rollenherdofen
PCT/EP2019/070183 WO2020025478A1 (de) 2018-07-30 2019-07-26 Rollenherdofen

Publications (2)

Publication Number Publication Date
EP3830507A1 true EP3830507A1 (de) 2021-06-09
EP3830507B1 EP3830507B1 (de) 2022-10-19

Family

ID=69149138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19748502.2A Active EP3830507B1 (de) 2018-07-30 2019-07-26 Verwendung von zunderbarrieren in einem rollenherdofen

Country Status (7)

Country Link
US (1) US20210318067A1 (de)
EP (1) EP3830507B1 (de)
KR (1) KR20210038623A (de)
CN (1) CN112639383A (de)
DE (1) DE102018219927A1 (de)
RU (1) RU2769705C1 (de)
WO (1) WO2020025478A1 (de)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU392313A1 (ru) * 1968-09-17 1973-07-27 Каркас секционной печи скоростного нагрева металла
EP0059093B1 (de) * 1981-02-23 1984-05-16 Encomech Product Development Limited Hitzeschilde
SU1229537A1 (ru) * 1983-12-26 1986-05-07 Липецкий политехнический институт Проходна роликова печь дл нагрева металла
JPH06103154B2 (ja) * 1987-01-30 1994-12-14 大同特殊鋼株式会社 ロ−ラハ−ス式加熱炉における保全装置
JPS6475887A (en) * 1987-09-14 1989-03-22 Daido Steel Co Ltd Roller hearth type heating furnace
SU1765655A1 (ru) * 1990-02-16 1992-09-30 Производственное объединение "Ижсталь" им.50-летия СССР Туннельна печь дл термической обработки изделий
US5230618A (en) * 1992-02-24 1993-07-27 Bricmanage, Inc. Insulated furnace roller
DE4411216B4 (de) * 1994-03-31 2005-03-24 Loi Thermprocess Gmbh Hubherdofen
GB9407566D0 (en) * 1994-04-12 1994-06-08 Encomech Eng Services Heat shields for rolling shields
GB9510740D0 (en) * 1995-05-26 1995-07-19 Encomech Eng Services Heat shields
CN1152483A (zh) * 1995-09-13 1997-06-25 丹尼利机械厂联合股票公司 均衡含受控氧化环境加热炉温度的方法及实施它的加热炉
DE102013223040A1 (de) * 2013-11-12 2015-05-13 Sms Siemag Ag Verfahren zum Verarbeiten von erhitztem Gut
DE102017208710A1 (de) * 2016-09-27 2018-03-29 Sms Group Gmbh Kühlbare Ofenrolle und Verfahren zum Betrieb einer solchen

Also Published As

Publication number Publication date
RU2769705C1 (ru) 2022-04-05
KR20210038623A (ko) 2021-04-07
DE102018219927A1 (de) 2020-01-30
US20210318067A1 (en) 2021-10-14
EP3830507B1 (de) 2022-10-19
WO2020025478A1 (de) 2020-02-06
CN112639383A (zh) 2021-04-09

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