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EP2347208B1 - Slag door for metallurgic furnaces - Google Patents

Slag door for metallurgic furnaces Download PDF

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Publication number
EP2347208B1
EP2347208B1 EP09799006A EP09799006A EP2347208B1 EP 2347208 B1 EP2347208 B1 EP 2347208B1 EP 09799006 A EP09799006 A EP 09799006A EP 09799006 A EP09799006 A EP 09799006A EP 2347208 B1 EP2347208 B1 EP 2347208B1
Authority
EP
European Patent Office
Prior art keywords
door
slag
furnace
leaves
door leaves
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.)
Not-in-force
Application number
EP09799006A
Other languages
German (de)
French (fr)
Other versions
EP2347208A1 (en
Inventor
Jan Bader
Ralf NÖTHEMANN
Peter Starke
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 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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41665236&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2347208(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Priority to PL09799006T priority Critical patent/PL2347208T3/en
Publication of EP2347208A1 publication Critical patent/EP2347208A1/en
Application granted granted Critical
Publication of EP2347208B1 publication Critical patent/EP2347208B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1509—Tapping equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids or removable covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids or removable covers
    • F27D1/1858—Doors

Definitions

  • the invention relates to a slag door for metallurgical furnaces, wherein a slag door opening in the upper vessel of the furnace is provided with a door tunnel with a sheep plate and the slag door is actuated by a closing mechanism.
  • an upper door part or door is formed by a pivotable about a horizontal axis flap, while below these two, pivotable about vertical axes, finger-like door leaves are provided.
  • Both the flap swing mechanism and the lower leaf flap adjustment mechanism are located in the oven wall of the oven vessel.
  • the object of the invention is to provide a slag door, which is structurally less expensive and in particular also allows a subsequent installation in existing metallurgical furnaces without substantial conversion measures.
  • the door leaves are also locked in a position in which they are open at an acute angle to the outside, so that a controlled slag removal is possible by the gap formed between the door leaf edges.
  • a door opening 2 is provided in this wall.
  • a frame 3 is symbolically indicated on which the door leaves 4, 5 and 6-9 are fastened or by which they are held.
  • one or both leaves can be opened.
  • the door leaves are individually adjustable and can be locked in various positions, this results in the possibility that the slag discharge quantity from the oven and / or the slag height in the oven can be controlled.
  • FIG. 3 Finally, also shows different positions of - in this case, four, arranged in pairs, door leaf.
  • the lower door wings are used for slag control and for cleaning the Schaffplatte, while the upper door leaves, in their open position, further access to the furnace interior, for example, to be able to perform maintenance.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Charging Or Discharging (AREA)

Abstract

The invention relates to a slag door for metallurgic furnaces, wherein a slag door opening is provided in the upper receptacle of the furnace with a door tunnel having a sill plate and the slag door can be actuated by a closure mechanism. The closure mechanism is disposed outside the furnace wall and in front thereof, and the clear cross section of the slag door opening can be closed by means of at least two horizontally pivotable door leaves.

Description

Die Erfindung betrifft eine Schlackentür für metallurgische Öfen, wobei eine Schlackentüröffnung im Obergefäß des Ofens mit einem Türtunnel mit einer Schaffplatte vorgesehen ist und die Schlackentür durch einen Verschließmechanismus betätigbar ist.The invention relates to a slag door for metallurgical furnaces, wherein a slag door opening in the upper vessel of the furnace is provided with a door tunnel with a sheep plate and the slag door is actuated by a closing mechanism.

Aus der WO 2007/147248 ist eine Schlackentür bekannt, die dreiteilig ausgebildet ist.From the WO 2007/147248 a slag door is known, which is formed in three parts.

Dabei wird ein oberer Türteil oder Türflügel durch eine um eine horizontale Achse schwenkbare Klappe gebildet, während unterhalb dieser zwei, um vertikale Achsen schwenkbare, fingerartige Türflügel vorgesehen sind.In this case, an upper door part or door is formed by a pivotable about a horizontal axis flap, while below these two, pivotable about vertical axes, finger-like door leaves are provided.

Sowohl der Schwenkmechanismus für die Klappe wie auch der Verstell- oder Verschließmechanismus für die unteren Türflügel ist in der Ofenwand des Ofengefäßes angeordnet.Both the flap swing mechanism and the lower leaf flap adjustment mechanism are located in the oven wall of the oven vessel.

Aufgabe der Erfindung ist es, eine Schlackentür anzugeben, die baulich weniger aufwendig ist und die insbesondere auch eine nachträgliche Installation bei bestehenden metallurgischen Öfen ohne wesentliche Umbaumaßnahmen zulässt.The object of the invention is to provide a slag door, which is structurally less expensive and in particular also allows a subsequent installation in existing metallurgical furnaces without substantial conversion measures.

Gelöst wird diese Aufgabe erfindungsgemäß durch eine Schlackentür für metallurgische Öfen, wobei eine Schlackentüröffnung im Obergefäß des Ofens mit einem Türtunnel mit einer Schaffplatte vorgesehen ist und die Schlackentür durch einen Verschließmechanismus betätigbar ist.
Dabei ist der Verschließmechanismus zum Schutz vor einfallendem Schrott außerhalb der Ofenwand, dieser vorgesetzt, angeordnet,
der lichte Querschnitt der Schlackentüröffnung durch wenigstens zwei horizontal schwenkbare Türflügel verschließbar ist, wobei

  • die Türflügel in zumindest drei Positionen arretierbar sind,
zu denen eine erste Stellung gehört, in der die Türflügel im wesentlichen in einer Ebene stehen,
eine zweite Stellung, die senkrecht zu der gemeinsamen Ebene ist und die Offenstellung darstellt, und
einer dritten Stellung, in der die Türflügel einen spitzen, in Richtung auf das Ofeninnere weisenden, Winkel bilden, der einen Öffnungsspalt zwischen den Türflügeln freigibt.This object is achieved according to the invention by a slag door for metallurgical furnaces, wherein a slag door opening in the upper vessel of the furnace is provided with a door tunnel with a sheep plate and the slag door is actuated by a closing mechanism.
In this case, the closing mechanism for protection against incident scrap outside the furnace wall, this preset, arranged,
the clear cross section of the slag door opening can be closed by at least two horizontally pivotable door leaves, wherein
  • the door leaves can be locked in at least three positions,
which includes a first position in which the door leaves are substantially in one plane,
a second position which is perpendicular to the common plane and represents the open position, and
a third position in which the door wings form an acute, pointing in the direction of the furnace interior, angle, which releases an opening gap between the door wings.

Vorzugsweise Ausgestaltungen ergeben sich aus den Unteransprüchen und bestehen darin, dass vier Türflügel vorgesehen sind, die in Paaren übereinander angeordnet sind und dass die Türflügel unabhängig voneinander betätigbar sind.Preferred embodiments will become apparent from the subclaims and consist in that four door leaves are provided, which are arranged in pairs one above the other and that the door leaves are actuated independently of each other.

Vorzugsweise sind die Türflügel auch noch in einer Stellung arretierbar, in der sie in einem spitzen Winkel nach außen geöffnet sind, so dass durch den zwischen den Türflügelkanten gebildeten Spalt eine kontrollierte Schlackenabführung möglich ist.Preferably, the door leaves are also locked in a position in which they are open at an acute angle to the outside, so that a controlled slag removal is possible by the gap formed between the door leaf edges.

Die Erfindung soll nachfolgend unter Bezug auf die Zeichnungen erläutert werden.The invention will be explained below with reference to the drawings.

Dabei zeigt:

  • Fig. 1 schematisch die Ausbildung einer Schlackentür, und zwar mit zwei Türflügeln, in verschiedenen Stellungen,
  • Fig. 2 eine andere Ausbildung der zwei Türflügel und
  • Fig. 3 eine Ausführungsform mit vier Türflügel.
Showing:
  • Fig. 1 schematically the formation of a slag door, with two door wings, in different positions,
  • Fig. 2 another education of the two doors and
  • Fig. 3 an embodiment with four door leaves.

Bei diesen schematischen Darstellungen ist die Wand eines metallurgischen Ofens lediglich angedeutet und mit 1 bezeichnet.In these schematic representations, the wall of a metallurgical furnace is merely indicated and designated 1.

In dieser Wand ist eine Türöffnung 2 vorgesehen. Vor dieser Türöffnung 2, und zwar genauer gesagt, vor der von der Ofenwand gebildeten Wandfläche, also dieser vorgesetzt, ist ein Rahmen 3 symbolisch angedeutet, an dem die Türflügel 4, 5 und 6-9 befestigt sind oder von dem sie gehalten werden.In this wall, a door opening 2 is provided. In front of this door opening 2, and more precisely, in front of the wall surface formed by the furnace wall, that is pre-set, a frame 3 is symbolically indicated on which the door leaves 4, 5 and 6-9 are fastened or by which they are held.

Mit dem Rahmen 3 ist für den jeweiligen Türflügel ein Schließmechanismus verbunden, der hier nicht dargestellt ist.With the frame 3, a closing mechanism is connected for the respective door, which is not shown here.

Die einzelnen Darstellungen in diesen Figuren zeigen, welche Stellungen die Türflügel einnehmen können.The individual representations in these figures show which positions the doors can take.

So ist in der Figur 1 bzw. 2, und zwar der oberen Darstellung, der geschlossene Zustand gezeigt.So is in the FIG. 1 or 2, the upper illustration, the closed state shown.

Je nach Notwendigkeit der Zugänglichkeit zum Ofeninneren, können der eine oder beide Türflügel geöffnet werden.Depending on the need for access to the inside of the oven, one or both leaves can be opened.

Eine Besonderheit ist dann jeweils in den unteren Darstellungen der Figuren 1 bzw. 2 gezeigt, und zwar nehmen hier die Türflügel einen - in Richtung zum Ofeninneren weisenden spitzen Winkel ein, der dazu führt, dass ein Spalt zwischen den gegenüberliegenden Türflügelkanten verbleibt.
Diese Bewegbarkeit der Türflügel ermöglicht durch Zurückschieben der Schlacke eine Reinigung der Schaffplatte.A special feature is then in each case in the lower representations of FIGS. 1 2, and here take the door wings a - pointing towards the oven interior acute angle, which leads to a gap between the opposite door leaves edges remains.
This mobility of the door leaves allows by pushing back the slag cleaning the sheep plate.

Nicht dargestellt ist in den Zeichnungen schließlich noch eine Stellung der Türflügel, in einem spitzen, nach außen geöffneten Winkel.
Hierbei wird, wie bei der nach innen weisenden Stellung, ein Spalt zwischen den gegenüberliegenden Türflügelkanten freigegeben, der einen kontrollierten Schlackenabfluss ermöglicht.Not shown in the drawings, finally, a position of the door, in an acute, outwardly open angle.
In this case, as in the inward-facing position, a gap between the opposite door leaves edges is released, which allows a controlled slag runoff.

Es ist natürlich klar, dass die Stellung der Türflügel auch in jeder anderen Position arretierbar ist, aber wesentlich sind zumindest die vorstehend erwähnten Stellungen.It is of course clear that the position of the door can be locked in any other position, but at least the above-mentioned positions are essential.

Wenn beispielsweise die Türflügel einzeln verstellbar und in verschiedenen Stellungen arretierbar sind, so ergibt dies die Möglichkeit, dass die Schlackenausflussmenge aus dem Ofen und/oder die Schlackenhöhe in dem Ofen steuerbar ist.If, for example, the door leaves are individually adjustable and can be locked in various positions, this results in the possibility that the slag discharge quantity from the oven and / or the slag height in the oven can be controlled.

Die Figur 3 zeigt schließlich ebenfalls unterschiedliche Stellungen der - in diesem Fall vier, paarweise angeordneten, Türflügel.The FIG. 3 Finally, also shows different positions of - in this case, four, arranged in pairs, door leaf.

In der geöffneten Stellung dienen die unteren Türflügel zur Schlackenkontrolle und zum Reinigen der Schaffplatte, während die oberen Türflügel, in ihrer geöffneten Stellung, einen weiteren Zugang zum Ofeninneren ermöglichen, beispielsweise um Wartungsarbeiten durchführen zu können.In the open position, the lower door wings are used for slag control and for cleaning the Schaffplatte, while the upper door leaves, in their open position, further access to the furnace interior, for example, to be able to perform maintenance.

Claims (5)

  1. Slag door for a metallurgical furnace, wherein a slag door opening in the upper vessel of the furnace is provided with a door tunnel with a sill and the slag door is actuable by a closure mechanism,
    characterised in that
    - the closure mechanism is arranged outside the furnace wall in front thereof,
    - the clear cross-section of the slag door opening is closable by at least two horizontally pivotable door leaves, wherein
    - the door leaves are lockable in at least three positions, belonging to which are a first setting in which the door leaves stand substantially in one plane, a second setting which is perpendicular to the common plane and represents the open setting and a third setting in which the door leaves form an acute angle which faces in the direction of the furnace interior and which frees an opening gap between the door leaves.
  2. Slag door according to claim 1, characterised in that four door leaves are provided, which are arranged one above the other in pairs.
  3. Slag door according to one of the preceding claims, characterised in that the door leaves are actuable independently of one another.
  4. Slag door according to claim 3, characterised in that the door leaves are individually adjustable and are lockable in different settings so that the slag outflow quantity from the furnace and/or the slag height in the furnace is or are controllable.
  5. Slag door according to any one of the preceding claims, characterised in that the door leaves are lockable in a setting in which they are open outwardly at an acute angle.
EP09799006A 2008-10-15 2009-10-14 Slag door for metallurgic furnaces Not-in-force EP2347208B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09799006T PL2347208T3 (en) 2008-10-15 2009-10-14 Slag door for metallurgic furnaces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008052800A DE102008052800A1 (en) 2008-10-15 2008-10-15 Slag door for metallurgical stoves
PCT/DE2009/001475 WO2010043216A1 (en) 2008-10-15 2009-10-14 Slag door for metallurgic furnaces

Publications (2)

Publication Number Publication Date
EP2347208A1 EP2347208A1 (en) 2011-07-27
EP2347208B1 true EP2347208B1 (en) 2012-08-15

Family

ID=41665236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09799006A Not-in-force EP2347208B1 (en) 2008-10-15 2009-10-14 Slag door for metallurgic furnaces

Country Status (14)

Country Link
EP (1) EP2347208B1 (en)
JP (1) JP5536787B2 (en)
KR (1) KR101258483B1 (en)
CN (1) CN102159911B (en)
AU (1) AU2009304416B9 (en)
BR (1) BRPI0919712A2 (en)
DE (1) DE102008052800A1 (en)
DK (1) DK2347208T3 (en)
ES (1) ES2388715T3 (en)
PL (1) PL2347208T3 (en)
TW (1) TWI407069B (en)
UA (1) UA98738C2 (en)
WO (1) WO2010043216A1 (en)
ZA (1) ZA201101176B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011156572A2 (en) * 2010-06-10 2011-12-15 Gillespie + Powers, Inc. Reversible jamb blocks and method of using the same
WO2012074186A1 (en) * 2010-11-29 2012-06-07 현대제철 주식회사 Slag discharge door device for an electric furnace
CN103940220B (en) * 2014-04-09 2015-08-19 聊城大学东昌学院 A kind of slag-draining device of rotary furnace
CN106119675B (en) * 2016-08-11 2017-09-12 金堆城钼业股份有限公司 A kind of molybdenum-iron smelting furnace slag-draining device and Slagoff method
CN108480610B (en) * 2018-05-29 2024-01-26 马鞍山尚元冶金科技有限公司 Waste pouring residue direct forming device
WO2024251770A1 (en) 2023-06-05 2024-12-12 Combustion Consulting Italy S.r.l. Pivoting door for melting furnace

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60194015A (en) * 1984-03-14 1985-10-02 Ishikawajima Harima Heavy Ind Co Ltd Door device for vacuum heat treating furnace
JPH0311674Y2 (en) * 1985-08-29 1991-03-20
FR2695715B1 (en) * 1992-09-11 1994-11-25 Unimetall Sa Scouring door of an electric arc furnace.
DE19753184A1 (en) * 1997-11-21 1999-06-10 Mannesmann Ag Melting furnace plant
DE10009812A1 (en) * 2000-03-01 2001-09-06 Sms Demag Ag Apparatus for the production of steel comprises a vessel with an upper and a lower part, and a tapping off system for removing the melt and slag from the vessel
EP1784611A1 (en) * 2004-08-09 2007-05-16 Société Civile Barbé-Davené Deslagging door closure for electric arc furnace
CN101501435A (en) 2006-06-20 2009-08-05 恩普科（加拿大）有限公司 Sealing apparatus for a slag door of a metallurgical furnace
BRPI0713611B1 (en) 2006-06-20 2018-05-15 Mitek Holdings, Inc Method and device for continuously mixing drum folders

Also Published As

Publication number Publication date
TW201030298A (en) 2010-08-16
ES2388715T3 (en) 2012-10-17
AU2009304416A1 (en) 2010-04-22
AU2009304416B2 (en) 2012-11-01
PL2347208T3 (en) 2013-01-31
WO2010043216A1 (en) 2010-04-22
AU2009304416B9 (en) 2012-12-20
UA98738C2 (en) 2012-06-11
KR101258483B1 (en) 2013-04-26
TWI407069B (en) 2013-09-01
BRPI0919712A2 (en) 2015-12-08
CN102159911B (en) 2013-09-25
CN102159911A (en) 2011-08-17
EP2347208A1 (en) 2011-07-27
JP5536787B2 (en) 2014-07-02
JP2012506019A (en) 2012-03-08
KR20110051276A (en) 2011-05-17
ZA201101176B (en) 2011-11-30
DK2347208T3 (en) 2012-11-19
DE102008052800A1 (en) 2010-04-22

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