EP0964064B1 - Scaffold for blast furnace - Google Patents
Scaffold for blast furnace Download PDFInfo
- Publication number
- EP0964064B1 EP0964064B1 EP99109996A EP99109996A EP0964064B1 EP 0964064 B1 EP0964064 B1 EP 0964064B1 EP 99109996 A EP99109996 A EP 99109996A EP 99109996 A EP99109996 A EP 99109996A EP 0964064 B1 EP0964064 B1 EP 0964064B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- scaffold
- supports
- furnace
- blast furnace
- foundation
- 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
Links
- 238000010276 construction Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims 2
- 201000005569 Gout Diseases 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
Definitions
- the invention relates to a scaffold for receiving built-in parts for a blast furnace consisting of one with a foundation connected scaffold lower part, a scaffold middle part as well a superstructure construction arranged above the gout, the scaffolding in truss and / or frame construction is created and spans four levels.
- Such scaffolds carry dead weight loads, traffic loads and crane loads and take built-in parts for the blast furnace, like for example the hot wind ring line or gas exhaust pipes on.
- the steel structure of the scaffold consists of a scaffold base, a scaffold part and one above the gout structure arranged above the gout. Over the corner supports of the scaffold base are the loads in the foundation derived.
- the dimensions of the scaffold base depend on the Course of the pool channels, the work areas of the taphole and drills, the diameter of the hot wind ring line as well as required driving areas.
- the invention is based on this prior art hence the task, with comparable load-bearing capacity a lighter and therefore more economical execution of a To propose scaffolding for a blast furnace, which is nevertheless a offers greater security against external influences leading to relative movements between the furnace shell and the scaffold.
- This task is performed on a scaffold as mentioned in the introduction Art solved in that converging supports in each of the four levels of the scaffold base on the foundation in one Come together.
- the scaffold lower part and / or structurally connected the scaffolding center part to the furnace shell is.
- the furnace shell also takes over the scaffolding acting horizontal loads.
- the connection can, for example between the scaffold part and the furnace shell below the gout stage. This measure will the relative displacement between the scaffold and the furnace shell reduced again. This results in an essential one improved safety in the event of an earthquake.
- coupling means evenly over the circumference of the furnace in one horizontal level provided.
- the coupling between the scaffold and the furnace is not of interest only for earthquake-prone areas, since they are a overall less dimensioning of the scaffold and thus enables a more economical design.
- the furnace is further reduced
- Invention proposed one or more of the built-in parts for the blast furnace, especially the hot wind ring line, with to connect the scaffold.
- the scaffold designated overall by 1, consists of one extending between a foundation 2 and a stage 3 Scaffold lower part 4, an adjoining scaffold middle part 5, which is limited by an upper gout stage 6 becomes. Above the gout stage 6 there is one Overweight construction 7, which closes the scaffold 1 at the top.
- the framework part but also the lower part and the overgap construction bounded on all sides by four levels, of which one can be seen in the side view in FIG. 1. That as Truss-made scaffold lower part 4 is laterally through converging supports 8a, b limited in one Merge base point 9 on foundation 2. Between the side Supports 8a, b are filler 11, which Stiffen the framework.
- Blast furnace 12 Surrounded by the scaffold 1 is the one indicated by dash-dotted lines Blast furnace 12 including its hot wind ring line 13.
- the blast furnace is in the middle part of the scaffolding at line A-A 12 connected to the framework part 5 via coupling elements 15.
- the scope of the Oven shell 14 a total of 8 such coupling elements 15 in arranged on a horizontal plane. They are on the scaffold side held by an octagonal frame 16 with receptacles 17. The frame 16 in turn is supported by a horizontal one Truss 18 on outer supports 19 of the scaffold part 5.
- the supports 8a, b brought together in one plane in the common base 9 as well as the structural connection of the furnace shell 14 with the scaffold center part 5 enable the steel structure of the scaffold to be made more economically than conventional scaffolds with the same load-bearing capacity, in particular by saving weight.
- horizontal displacements between the scaffold and the blast furnace are effectively reduced.
- the transitions, for example from the hot wind ring line 13 to the furnace 12 are structurally simpler.
- the risk of components tearing off, for example due to earthquakes is considerably reduced. LIST OF REFERENCE NUMBERS No. description 1.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Blast Furnaces (AREA)
- Movable Scaffolding (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Ladders (AREA)
Abstract
Description
Die Erfindung betrifft ein Gerüst zur Aufnahme von Einbauteilen für einen Hochofen, bestehend aus einem mit einem Fundament verbundenen Gerüstunterteil, einem Gerüstmittelteil sowie einer oberhalb der Gicht angeordneten Übergichtkonstruktion, wobei das Gerüst in Fachwerk- und/oder Rahmenbauweise erstellt ist und vier Ebenen aufspannt.The invention relates to a scaffold for receiving built-in parts for a blast furnace consisting of one with a foundation connected scaffold lower part, a scaffold middle part as well a superstructure construction arranged above the gout, the scaffolding in truss and / or frame construction is created and spans four levels.
Derartige Gerüste tragen Eigengewichtslasten, Verkehrslasten und Kranlasten und nehmen Einbauteile für den Hochofen, wie beispielsweise die Heißwindringleitung oder Gasabzugsrohre auf. Die Stahlkonstruktion des Gerüsts besteht aus einem Gerüstunterteil, einem Gerüstmittelteil sowie einer oberhalb der Gicht angeordneten Übergichtkonstruktion. Über die Eckstützen des Gerüstunterteils werden die Lasten in das Fundament abgeleitet.Such scaffolds carry dead weight loads, traffic loads and crane loads and take built-in parts for the blast furnace, like for example the hot wind ring line or gas exhaust pipes on. The steel structure of the scaffold consists of a scaffold base, a scaffold part and one above the gout structure arranged above the gout. Over the corner supports of the scaffold base are the loads in the foundation derived.
Die Abmessungen des Gerüstunterteils richten sich nach dem Verlauf der Poolrinnen, den Arbeitsbereichen der Stichlochstopf- und Bohrmaschinen, dem Durchmesser der Heißwindringleitung sowie erforderlichen Fahrbereichen.The dimensions of the scaffold base depend on the Course of the pool channels, the work areas of the taphole and drills, the diameter of the hot wind ring line as well as required driving areas.
Durch äußere Einflüsse, wie beispielsweise windlasten oder Erdbeben, kommt es zu Relativbewegungen zwischen dem Ofenpanzer und dem Gerüst. Infolge Erdbeben können trotz der recht schweren Ausführung des Gerüstes wesentliche Einbauteile, wie beispielsweise die Gasabzugsrohre oder die Heißwindringleitung, abreißen.Due to external influences, such as wind loads or Earthquake, there is relative movement between the furnace shell and the scaffold. As a result of earthquakes, despite the quite heavy construction of the scaffolding, essential built-in parts, such as the gas exhaust pipes or the hot wind ring line, tear off.
Ausgehend von diesem Stand der Technik liegt der Erfindung daher die Aufgabe zugrunde, bei vergleichbarer Tragfähigkeit eine leichtere und damit wirtschaftlichere Ausführung eines Gerüsts für einen Hochofen vorzuschlagen, das dennoch eine höhere Sicherheit gegen äußere Einflüsse bietet, die zu Relativbewegungen zwischen Ofenpanzer und Gerüst führen.The invention is based on this prior art hence the task, with comparable load-bearing capacity a lighter and therefore more economical execution of a To propose scaffolding for a blast furnace, which is nevertheless a offers greater security against external influences leading to relative movements between the furnace shell and the scaffold.
Diese Aufgabe wird bei einem Gerüst der eingangs erwähnten Art dadurch gelöst, daß aufeinander zulaufende Stützen in jeder der vier Ebenen des Gerüstunterteils am Fundament in einem Fußpunkt zusammenkommen.This task is performed on a scaffold as mentioned in the introduction Art solved in that converging supports in each of the four levels of the scaffold base on the foundation in one Come together.
Es hat sich gezeigt, daß diese V-förmig aufeinander zulaufenden Stützen zu geringeren Relativbewegungen zwischen Gerüst und Ofenpanzer führen, als dies bei Gerüsten mit herkömmlichen Eckstützen am Gerüstunterteil der Fall ist. Die geringeren Relativbewegungen ermöglichen eine kostengünstigere Konstruktion des Übergangs von den Einbauteilen zum Gerüst. Schließlich erlauben die V-förmig aufeinander zulaufenden Stützen eine wirtschaftlichere Dimensionierung des Gerüsts.It has been shown that these converge in a V-shape Support for lower relative movements between scaffolding and furnace tanks than do this with conventional scaffolding Corner supports on the lower part of the scaffold is the case. The lesser Relative movements enable a more economical one Construction of the transition from the built-in parts to the scaffolding. Finally, the V-shaped converge Support a more economical dimensioning of the scaffold.
Werden diese Stützen durch horizontale u. diagonale Träger ausgesteift, so steht das Gerüst letztlich auf vier ebenen Dreiecksscheiben, die mit ihren Spitzen auf den Fußpunkten ruhen.Are these supports by horizontal u. diagonal beams braced, the scaffold ultimately stands on four levels Triangular washers with their tips on the base points rest.
Eine noch leichtere und damit wirtschaftlichere Ausführung des Gerüstes wird möglich, wenn das Gerüstunterteil und/oder das Gerüstmittelteil mit dem Ofenpanzer konstruktiv verbunden ist. Der Ofenpanzer übernimmt in diesem Fall auch auf das Gerüst wirkende Horizontallasten. Die Verbindung kann beispielsweise zwischen dem Gerüstmittelteil und dem Ofenpanzer unterhalb der Gichtbühne erfolgen. Durch diese Maßnahme wird die Relativverschiebung zwischen dem Gerüst und dem Ofenpanzer nochmals verringert. Hieraus resultiert eine wesentlich verbesserte Sicherheit im Erdbebenfall.An even lighter and therefore more economical version of the scaffold is possible if the scaffold lower part and / or structurally connected the scaffolding center part to the furnace shell is. In this case, the furnace shell also takes over the scaffolding acting horizontal loads. The connection can, for example between the scaffold part and the furnace shell below the gout stage. This measure will the relative displacement between the scaffold and the furnace shell reduced again. This results in an essential one improved safety in the event of an earthquake.
Um insbesondere im Erdbebenfall eine gleichmäßige Lasteinleitung von dem Gerüst in den Ofenpanzer zu gewährleisten, werden in vorteilhafter Ausgestaltung der Erfindung Kopplungsmittel gleichmäßig über den Umfang des Ofenpanzers in einer horizontalen Ebene liegend vorgesehen.In order to ensure even load transfer, particularly in the event of an earthquake to ensure from the scaffolding into the furnace shell in an advantageous embodiment of the invention coupling means evenly over the circumference of the furnace in one horizontal level provided.
Die Kopplung zwischen Gerüst und Ofenpanzer ist jedoch nicht nur für erdbebengefährdete Gebiete von Interesse, da sie eine insgesamt geringere Dimensionierung des Gerüstes und damit eine wirtschaftlichere Auslegung ermöglicht.However, the coupling between the scaffold and the furnace is not of interest only for earthquake-prone areas, since they are a overall less dimensioning of the scaffold and thus enables a more economical design.
Um die Gefahr eines Abreißens der Heißwindringleitung von dem Ofen weiter zu verringern, wird in einer Ausgestaltung der Erfindung vorgeschlagen, eines oder mehrere der Einbauteile für den Hochofen, insbesondere die Heißwindringleitung, mit dem Gerüst zu verbinden.To avoid the risk of the hot wind ring line tearing off In one embodiment, the furnace is further reduced Invention proposed one or more of the built-in parts for the blast furnace, especially the hot wind ring line, with to connect the scaffold.
Aufgrund der Erkenntnis, daß sich eine Heißwindringleitung im Erdbebenfall wie ein Pendel verhält, kann vorgesehen sein, daß die Heißwindringleitung an Zugstangen im Gerüst aufgehängt ist und horizontal im Gerüst durch Kopplungsmittel gehalten wird.Based on the knowledge that a hot wind ring pipe in Earthquake event behaves like a pendulum can be provided that the hot wind ring line is suspended from tie rods in the scaffolding is and held horizontally in the framework by coupling means becomes.
Nachfolgend wird die Erfindung anhand eines Ausführungsbeispieles des näheren erläutert:The invention is described below using an exemplary embodiment explained in more detail:
Es zeigen
- Figur 1:
- Eine Seitenansicht eines erfindungsgemäßen Gerüstes für einen Hochofen sowie
- Figur 2:
- Einen Schnitt längs der Linie A-A nach Figur 1.
- Figure 1:
- A side view of a scaffold according to the invention for a blast furnace and
- Figure 2:
- A section along the line AA of Figure 1.
Das insgesamt mit 1 bezeichnete Gerüst besteht aus einem sich
zwischen einem Fundament 2 und einer Bühne 3 erstreckenden
Gerüstunterteil 4, einem sich daran anschließenden Gerüstmittelteil
5, das durch eine Gichtbühne 6 nach oben begrenzt
wird. Oberhalb der Gichtbühne 6 befindet sich eine
Übergichtkonstruktion 7, die das Gerüst 1 nach oben abschließt.The scaffold, designated overall by 1, consists of one
extending between a foundation 2 and a
Wie insbesondere aus Figur 2 ersichtlich, wird das Gerüstmittelteil,
jedoch auch das Unterteil und die Übergichtkonstruktion
allseitig durch vier Ebenen begrenzt, von denen
in der Seitenansicht in Figur 1 eine zu erkennen ist. Das als
Fachwerk ausgeführte Gerüstunterteil 4 wird seitlich durch
aufeinander zulaufende Stützen 8a, b begrenzt, die in einem
Fußpunkt 9 am Fundament 2 zusammenlaufen. Zwischen den seitlichen
Stützen 8a, b befinden sich Füllträger 11, die das
Fachwerk versteifen.As can be seen in particular from FIG. 2, the framework part,
but also the lower part and the overgap construction
bounded on all sides by four levels, of which
one can be seen in the side view in FIG. 1. That as
Truss-made scaffold lower part 4 is laterally through
Umgeben von dem Gerüst 1 ist der strichpunktiert angedeutete
Hochofen 12 einschließlich seiner Heißwindringleitung 13.Surrounded by the scaffold 1 is the one indicated by dash-dotted
Im Gerüstmittelteil auf Höhe der Linie A-A ist der Hochofen
12 über Kopplungselemente 15 mit dem Gerüstmittelteil 5 verbunden.
Wie aus Figur 2 ersichtlich, sind über den Umfang des
Ofenpanzers 14 insgesamt 8 solcher Kopplungselemente 15 in
einer horizontalen Ebene angeordnet. Sie werden gerüstseitig
von einem achteckigen Rahmen 16 mit Aufnahmen 17 gehalten.
Der Rahmen 16 wiederum stützt sich über ein horizontales
Fachwerk 18 an Außenstützen 19 des Gerüstmittelteils 5 ab.The blast furnace is in the middle part of the scaffolding at
Die jeweils in einer Ebene in dem gemeinsamen Fußpunkt 9 zusammengeführten
Stützen 8a, b sowie die konstruktive Verbindung
des Ofenpanzers 14 mit dem Gerüstmittelteil 5 ermöglichen
gegenüber herkömmlichen Gerüsten bei gleicher Tragfähigkeit
eine wirtschaftlichere Ausführung der Stahlkonstruktion
des Gerüstes, insbesondere durch Gewichtsersparnis.
Gleichzeitig werden Horizontalverschiebungen zwischen Gerüst
und Hochofen wirksam reduziert. Hierdurch gestalten sich die
Übergänge, beispielsweise von der Heißwindringleitung 13 zum
Ofen 12 konstruktiv einfacher. Außerdem ist die Gefahr eines
Abreißens von Einbauteilen, beispielsweise durch Erdbeben,
erheblich verringert.
Claims (9)
- Scaffold (1) for reception of installation parts for a blast furnace (12), consisting of a scaffold lower part (4) connected with a foundation (2), a scaffold centre part (5) as well as a top-throat construction (7) arranged above the throat, wherein the scaffold (1) is erected in trellis and/or frame mode of construction and spans four planes, characterised in that supports (8a, b) running into one another come together at a foot point (9) in each of the four planes of the scaffold lower part (4) at the foundation (2).
- Scaffold according to claim 1, characterised in that the supports (8a, b) running into one another each laterally bound the four planes of the scaffold lower part (4).
- Scaffold according to claim 1 or 2, characterised in that braces (11) are arranged between the supports (8a, b).
- Scaffold according to one of claims 1 to 3, characterised in that the scaffold lower part (4) and/or the scaffold centre part (5) is or are connected with the furnace shell (14).
- Scaffold according to claim 4, characterised in that the scaffold lower part (4) and/or the scaffold centre part (5) is or are connected in at least one horizontal plane with the furnace shell (14) by way of several coupling means (15).
- Scaffold according to claim 5, characterised in that the length of the coupling means (15) is adjustable.
- Scaffold according to claim 5 or 6, characterised in that coupling means (15) are provided in each horizontal plane.
- Scaffold according to one of claims 1 to 7, characterised in that one or more of the installation parts for the blast furnace (12), in particular the hot-blast circulating duct (13), is or are connected with the furnace shell (14).
- Scaffold according to one of claims 1 to 7, characterised in that the hot-blast circulating duct (13) is suspended at the scaffold (1) at pull rods and is horizontally mounted in the scaffold.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19822984 | 1998-05-25 | ||
| DE19822984A DE19822984A1 (en) | 1998-05-25 | 1998-05-25 | Blast furnace scaffolding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0964064A1 EP0964064A1 (en) | 1999-12-15 |
| EP0964064B1 true EP0964064B1 (en) | 2003-08-27 |
Family
ID=7868642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99109996A Expired - Lifetime EP0964064B1 (en) | 1998-05-25 | 1999-05-21 | Scaffold for blast furnace |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6287512B1 (en) |
| EP (1) | EP0964064B1 (en) |
| AT (1) | ATE248231T1 (en) |
| DE (2) | DE19822984A1 (en) |
| ES (1) | ES2207064T3 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2566699B1 (en) * | 2010-05-07 | 2018-10-17 | Perkins School For The Blind | System and method for capturing and translating braille embossing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3431691A (en) * | 1966-01-17 | 1969-03-11 | Mckee & Co Arthur G | Apparatus and method for supporting vessels |
| US3559972A (en) * | 1966-01-17 | 1971-02-02 | Mckee & Co Arthur G | Furnace apparatus |
| JPS5243709A (en) * | 1975-10-02 | 1977-04-06 | Sankiyuu Kk | Building method of blast furnace |
| US4003558A (en) * | 1976-04-07 | 1977-01-18 | United States Steel Corporation | Supporting structure for blast furnaces |
| SU885502A1 (en) * | 1980-03-04 | 1981-11-30 | Ордена Трудового Красного Знамени Центральный Научно-Исследовательский И Проектный Институт Строительных Металлоконструкций "Цниипроектстальконструкция" | Method of reconstructing and repairing a blast furnace |
| DE9315849U1 (en) * | 1993-10-18 | 1995-02-16 | Hüser, Franz-Josef, 48317 Drensteinfurt | Support frame support |
-
1998
- 1998-05-25 DE DE19822984A patent/DE19822984A1/en not_active Withdrawn
-
1999
- 1999-05-20 US US09/315,683 patent/US6287512B1/en not_active Expired - Lifetime
- 1999-05-21 DE DE59906733T patent/DE59906733D1/en not_active Expired - Lifetime
- 1999-05-21 EP EP99109996A patent/EP0964064B1/en not_active Expired - Lifetime
- 1999-05-21 AT AT99109996T patent/ATE248231T1/en not_active IP Right Cessation
- 1999-05-21 ES ES99109996T patent/ES2207064T3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0964064A1 (en) | 1999-12-15 |
| US6287512B1 (en) | 2001-09-11 |
| ATE248231T1 (en) | 2003-09-15 |
| DE19822984A1 (en) | 1999-12-02 |
| ES2207064T3 (en) | 2004-05-16 |
| DE59906733D1 (en) | 2003-10-02 |
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