EP1391523A1 - Doppelofenanlage für die Erzeugung von Stahlwerkstoffen - Google Patents
Doppelofenanlage für die Erzeugung von Stahlwerkstoffen Download PDFInfo
- Publication number
- EP1391523A1 EP1391523A1 EP03018545A EP03018545A EP1391523A1 EP 1391523 A1 EP1391523 A1 EP 1391523A1 EP 03018545 A EP03018545 A EP 03018545A EP 03018545 A EP03018545 A EP 03018545A EP 1391523 A1 EP1391523 A1 EP 1391523A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- furnace
- cover
- platform
- tilting
- double
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910000831 Steel Inorganic materials 0.000 title claims description 3
- 239000010959 steel Substances 0.000 title claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000010309 melting process Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000007664 blowing Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
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
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/06—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces with movable working chambers or hearths, e.g. tiltable, oscillating or describing a composed movement
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5252—Manufacture of steel in electric furnaces in an electrically heated multi-chamber furnace, a combination of electric furnaces or an electric furnace arranged for associated working with a non electric furnace
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5294—General arrangement or layout of the electric melt shop
-
- 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
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
- F27B3/085—Arc furnaces
-
- 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
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/28—Arrangement of controlling, monitoring, alarm or the like devices
Definitions
- the invention relates to a double furnace system for the production of steel materials through alternate charging of ferrous feed materials, oxygen inflation and arc melting using furnace A and a furnace B, which are each arranged on a tiltable furnace platform and with a swivel column arranged between furnaces A and B, on which one Liftable and lowerable electrode support device is attached and with a Swiveling device for at least one oxygen inflation lance.
- Such a double electric arc furnace system is known from DE 44 34 369 and known from EP 0 717 115 B1. It is assumed that the two Furnace vessels are each arranged on a separate tilting platform. Between These two tilting platforms have a swiveling, lifting collar on the fixed oven platform lowerable electrode support device provided. This can be done alternately the scrap is melted in two furnace vessels. During that in a furnace vessel using the swiveling, lifting and lowering electrode support arms electrical energy is introduced into the melt on Second racking the rack and scrap for the next melt be introduced.
- DE 44 34 369 is both Furnaces assigned a common non-tilting lance device.
- CONARC double furnace system CONARC is a registered trademark from SMS Demag AG
- CONARC is a registered trademark from SMS Demag AG
- an oxygen lance e.g. in shape a top lance
- the Electrode support not at the same time as the respective tilting platform and can be tilted to the relevant furnace vessel. Provided the electrodes are used is also useful in a tilted position of the furnace vessel, it is missing on the necessary conditions.
- the electrode feedthrough must have an oversized opening.
- the Passing the electrodes through the furnace cover as little as possible requires.
- a small route is generally planned by planning Roll and curve weighing achieved.
- the use of such cradles is however with high technical effort.
- Roller and curve cradles are also subject to high wear.
- the exchange of rollers and rails is also expensive and long Downtime associated with the production facility. With the help of all of these Measures, the achievable tilt angle is at most approx. ⁇ 3 °.
- the invention has for its object the use of electrodes on one To design a double furnace without any restrictions on the part of the furnace mechanics.
- the stated object is achieved according to the invention in the double furnace system described at the beginning solved by the fact that between the two tiltable furnace stages a third tilting platform is provided on which the swiveling, lifting or lowering Electrode support device is arranged and that the third tilting platform in direct dependence of the tilting movements of one of the furnace platforms for a furnace vessel is tiltable.
- the use of such a third tilting platform is at least for a DCund AC double oven possible. There are special advantages for different Process steps such as pig iron charging, dephosphorization, slag reduction u. like.
- One embodiment consists in that the third tilting platform with the pivotable, Liftable and lowerable electrode carrying device alternately with each can be locked to tilt the furnace platform. This creates absolutely dependent Tilting movements between the furnace platform of one furnace vessel and the third Tilt bed.
- the invention can also be improved in that the third tilting platform with the swiveling, lifting or lowering electrode carrying device Tilt drive is assigned to a control device. This allows the respective furnace platform and the third tilting platform can be operated absolutely simultaneously.
- Control device of the own tilt drive formed from a synchronous device is that connectable to the control device of the respective furnace platform to be tilted is.
- Another measure to secure the different tipping processes is achieved in that with an existing connection of the synchronization device with the respective control device of a furnace platform to be tilted locked to the other control device for the other furnace stage is.
- a further development of the invention provides that in each of the furnace A and B associated lid swivel device each integrates an oxygen lance is, the combination swivel device for lid and blowing lance on the tiltable Furnace stage is arranged.
- the advantages lie in the fact that no separate swivel devices are required for the oxygen lances, but rather the lances are integrated into the existing cover swivel devices become.
- the O 2 lances can be tilted together with the swiveling devices via the furnace platform together with the furnaces. This allows the furnace to tip over with the O 2 lance retracted.
- the system is less susceptible to failure of an O 2 lance, since operation in the other furnace can continue.
- the cover pivoting device has at least one further support arm, preferably two support arms, for the furnace cover and the O 2 lance cover.
- These support arms are arranged at one end on a swivel column.
- hydraulic lifting cylinders are arranged, which are connected to the respective top of the cover. The lids can be placed on or removed from the respective furnace via these lifting cylinders. These lifting cylinders are distributed over the support arms.
- the system is further developed by an advantageous exhaust system.
- a common exhaust pipe pro now takes over Oven removes the hot gases and dusts in the melting and in the Blowing process.
- This exhaust pipe is constructed in several parts.
- a pipe part that immediately is arranged on the furnace cover, is releasably opposite as a pipe socket formed the rest of the exhaust pipe and together in the decoupled state pivotable with the furnace lid.
- this pipe socket is flush with the rest of the exhaust pipe, the exhaust pipe connected to the pipe socket together with the Oven platform is tiltable.
- Electrodes 6 are moved from an oven transformer 7 (see FIG. 2) via a high-current connection 8 by means of a transformer house wall 9 High current cables 10 supplied.
- the electrodes 6 can by means of a swivel column 11 can be pivoted over oven A or oven B.
- the electrodes 6 are brought into an upper position shown in FIG. 1 by a lifting column 15 in the swivel column 11. During this time, this O 2 lance 13a is located above the furnace B by means of a pivoting device 12 for the oxygen inflation lance 13a, which is also on the furnace stage 3.
- the electrodes 6 are by means of the lifting column 15 with a column guide and Electrode support device 16 in height to regulate the energy supplied used. Then there are support arms 17 and 14 for an inner electrode cover 18 or a similar inner cover 21 for the oxygen inflation lances 13a and b provided.
- the inner electrode cover 18 can be adjusted in height by means of lifting cylinders 19 (see Fig. 2).
- the inner electrode cover 18 is held by means of the support arms 17.
- the exhaust pipe 23 connected to the tilting platform 3 is in the pivoted-in position Able to connect a stationary exhaust pipe 24 with an afterburning chamber 25.
- the exhaust gases are removed from the furnace B by means of an exhaust connector 26.
- the furnace cover 21 is pivoted out in Fig. 2).
- the exhaust pipes 23, 24 and the Exhaust pipe 26 are connected to each other. Between the individual components are gaps that allow corresponding furnace movements.
- the gap between Tubes 23 and 24 are particularly manually adjustable.
- the gap between Tube 24 and the exhaust pipe 26 is adjustable by a sliding sleeve. about the change in the air gap becomes the amount extracted from the oven and the Pressure in the furnace vessel influences and that for the afterburning (and cooling) necessary amount of wrong air sucked in.
- the blow lance inner cover 21 can can be adjusted in height by means of a lifting cylinder 33.
- a third tilting platform 29 is arranged between the furnace stages 3 of the furnaces A and B, on which the swivel stage 11 and the electrode repositioning device 20 are located. Located on the third tilting platform 29 the pivoting column 11, the pivotable, lifting and lowering electrode support device 16 at the other end to the electrode repositioning device 20.
- This third tilting platform 29 is alternately according to a first embodiment locked with the furnace platform 3 to be tilted in each case.
- a second embodiment provides a separate tilt drive 30 for the third tilting platform 29 (cf. FIG. 3), which in the exemplary embodiment consists of a piston-cylinder unit 31 which is inside of the foundation 1 is stored.
- the third tilting platform 29 is in the normal position according to FIG. 3, in FIG. 4 in forward inclined position and in Fig. 5 in one of the respective oven and Charge position dependent, backward inclined position.
- the combination swivel device 12 also has the function of bringing the lance for blowing oxygen 13a, b towards the center of the furnace.
- the O 2 lance system is not on the fixed furnace platform, but is integrated in the revolving tower for pivoting the lid, which is arranged on the tiltable furnace platform 3.
- the swivel device 12 consists of an inner central support arm 27, at the tip of which an O 2 lance 13a, b is attached, which is supplied by the support arm via an oxygen line.
- the O 2 lance 13a, b is carried by the support arm 27, which is connected to a guide column and is guided in guide rollers.
- the lifting movement of support arm 27 and O 2 lance 13a, b takes place via a hydraulic cylinder installed in the guide column.
- the pivoting device 12 further comprises two support arms 14 of the cover structure, which extend over the furnace cover 5, first parallel to the central lance support arm 27, and then, when they have reached the edge of the O 2 inner cover 21, V - to diverge. In this way, the support arms 14 extend both over the furnace cover and over the O 2 lance inner cover.
- the support arms 27 and 14 are by means of a rotating column with a roller bearing pivoted, the support arm for the lance 27 and the structure for the lids are pivoted together.
- the cable winch control of the oxygen lance is replaced by control using a support arm, guide rollers and hydraulic cylinders.
- the furnace stage becomes free on the door side. This improves the view from the control center to the furnace system and to the electrode repositioning device 20.
- the scrap basket passage and the vessel transport through the 02 lance system are not obstructed.
- the pivoting of the O 2 lance should not be taken into account.
- Lifting cylinders 22, 33 are arranged along the support arms 14, namely three for the furnace cover 5 and four for the lance inner cover 21. They are each corresponding the lid edge arranged. The lid or lids will be pivoted over the furnace and then over the lifting cylinders 22, 33 by the movement move the respective piston rod down into a closed position. The lifting rod of the lifting cylinder 22 for the furnace cover 5 is in the lowered Position decoupled from the lid 5, so that a pivoting of the pivoting device 12 with the support arm 27 and the lance 13 and the support arm 28 with Lance lid 21 in the case of an oven lid 5 resting on the oven vessel 4 is possible.
- FIG. 6 the blowing process takes place in furnace A, while the melting process with inserted electrodes 6 takes place simultaneously in furnace B.
- the pivoting device 12 is pivoted over the furnace A for the blowing process.
- the furnace cover 5 with the flue gas connector 26, the O 2 lance inner cover 21 and the oxygen lance 13b are pivoted into the middle of the furnace.
- the furnace cover 5 with the flue gas connection is also located 26 on the furnace vessel 4 (in FIG. 6 furnace B).
- the lance 13a and the lance inner cover 21 are pivoted out.
- the electrode arm is pivoted to the middle of oven B.
- the electrode swiveling device also consists of a support arm construction together, with the inner electrode cover 18 over along the Support arms 17 positioned lifting cylinder 19 can be arranged in the lid heart.
- the support arm construction which is essentially rectangular three electrode support arms 16 are formed, at the ends of which the electrodes 6 are attached.
- the state of the furnace A shown in FIG. 2 corresponds to the state of the furnace B in FIG. 6.
- the furnace B in FIG. 2 shows the state of the fully open furnace.
- the electrodes 6 with the pivoting column 11 pivoted onto a central repositioning device 20 (see FIG. 7), which is in the system shown between the two furnaces A and B located.
- the use of the third tilting platform 29 is possible with DC or AC double ovens.
- the construction is particularly advantageous in a CONARC double furnace system, in which different process steps, such as pig iron charging, dephosphorization, Slag reduction u. Like. Be carried out to apply.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
Description
- Fig. 1
- einen Aufriss einer Doppelofen-Anlage,
- Fig. 2
- die zu Fig. 1 gehörende Draufsicht auf die Doppelofen-Anlage, mit einem vom Ofengefäß B weggeschwenkten Ofendeckel,
- Fig. 3
- die dritte Kippbühne in Normalstellung in der Seitenansicht,
- Fig. 4
- die dritte Kippbühne in der nach hinten gekippten Stellung,
- Fig. 5
- die dritte Kippbühne in einer nach vorne gekippten Stellung,
- Fig. 6
- eine zu Fig. 1 gehörende Draufsicht auf die Doppelofen-Anlage in einer anderen Betriebsposition und
- Fig. 7
- eine Draufsicht auf die Elektroden-Tragvorrichtung mit Nachsetzvorrichtung.
- A
- Ofen A
- B
- Ofen B
- 1
- Fundamente
- 2
- Unterbau
- 3
- kippbare Ofenbühne oder Kipprahmen
- 4
- Ofengefäß
- 5
- Ofendeckel
- 6
- Elektroden
- 7
- Ofentransformator
- 8
- Hochstromverbindung
- 9
- Transformatoren-Hauswand (Trafohauswand)
- 10
- Hochstromseile bzw. Hochstromkabel
- 11
- Schwenksäule für Elektrodentragarme und Elektroden-Innendeckel
- 12
- Schwenkvorrichtung für die Blaslanze, den Ofendeckel und den Lanzen-Innendeckel
- 13
- Blaslanzen (a+b)
- 14
- Tragarme für den Ofendeckel und den Lanzen-Innendeckel
- 15
- Hubsäule für die Elektrodentragarme
- 16
- Elektroden-Tragvorrichtung, Elektrodentragarme
- 17
- Tragarme für den Elektroden-Innendeckel
- 18
- Elektroden-Innendeckel
- 19
- Hubzylinder für den Elektroden-Innendeckel
- 20
- Elektroden-Nachsetzvorrichtung
- 21
- Ofendeckel
- 22
- Hubzylinder für den Ofendeckel
- 23
- Abgasrohr auf dem Kipprahmen
- 24
- ortsfestes Abgasrohr bzw. Abgasrohr zur Nachbrennkammer
- 25
- Nachbrennkammer
- 26
- Abgasstutzen
- 27
- Tragarm für die Blaslanze
- 28
- Tragarm für den Lanzen-Innendeckel
- 29
- dritte Kippbühne bzw. dritter Kipprahmen
- 30
- eigener Kippantrieb bzw. eigener Antrieb zum dritten Kipprahmen
- 31
- Kolben-Zylinder-Einheit bzw. Kippzylinder
- 32
- Hubsäule für den Tragarm der Blaslanze
- 33
- Hubzylinder für den Lanzen-Innendeckel
Claims (10)
- Doppelofenanlage für die Erzeugung von Stahlwerkstoffen durch wechselweises Chargieren von eisenhaltigen Einsatzstoffen, Sauerstoff-Aufblasen und Lichtbogen-Aufschmelzen jeweils mittels eines Ofens A und eines Ofens B, die auf jeweils einer kippbaren Ofenbühne (3) angeordnet sind und mit einer zwischen den Öfen A und B angeordneten Schwenksäule (11), an der eine heb- und senkbare Elektroden-Tragvorrichtung (16) befestigt ist, und mit einer Schwenkvorrichtung für zumindest eine Sauerstoff-Lanze,
dadurch gekennzeichnet, dass zwischen den beiden kippbaren Ofenbühnen (3) eine dritte Kippbühne (29) vorgesehen ist, auf der die schwenkbare, heb- und senkbare Elektroden-Tragvorrichtung (16) angeordnet ist und dass die dritte Kippbühne (29) in unmittelbarer Abhängigkeit der Kippbewegungen jeweils einer der Ofenbühnen (3) für ein Ofengefäß (4) kippbar ist. - Doppelofenanlage nach Anspruch 1,
dadurch gekennzeichnet, dass die dritte Kippbühne (29) mit der schwenkbaren, heb- oder senkbaren Elektroden-Tragvorrichtung (16) wechselweise mit der jeweils zu kippenden Ofenbühne (3) verriegelbar ist. - Doppelofenanlage nach Anspruch 1,
dadurch gekennzeichnet, dass der dritten Kippbühne (29) mit der schwenkbaren, heb- oder senkbaren Elektroden-Tragvorrichtung (16) ein eigener Kippantrieb (30) mit einer Steuereinrichtung zugeordnet ist. - Doppelofenanlage nach einem der Ansprüche 1 und 3,
dadurch gekennzeichnet, dass die Steuereinrichtung des eigenen Kippantriebs (30) aus einer Gleichlaufeinrichtung gebildet ist, die an die Steuereinrichtung der jeweiligen, zu kippenden Ofenbühne (3) anschließbar ist. - Doppelofenanlage nach einem der Ansprüche 3 oder 4,
dadurch gekennzeichnet, dass der eigene Kippantrieb (30) aus einer innerhalb des Fundaments (1) angeordneten Kolben-Zylinder-Einheit (31) gebildet ist. - Doppelofenanlage nach einem der Ansprüche 3, 4 oder 5,
dadurch gekennzeichnet, dass bei bestehender Verbindung der Gleichlaufeinrichtung mit der jeweiligen Steuereinrichtung einer zu kippenden Ofenbühne (3) eine Verbindung zu der jeweils anderen Steuereinrichtung für die jeweils andere Ofenbühne (3) gesperrt ist. - Doppelofenanlage nach einem der Ansprüche 1 bis 6,
gekennzeichnet durch
eine Deckelschwenkvorrichtung für jeden Ofen A und B, in die jeweils die Schwenkvorrichtung für die Sauerstoff-Lanze (13a, 13b) integriert ist, wobei die gemeinsame Schwenkvorrichtung (12) auf der kippbaren Ofenbühne (3) angeordnet ist. - Doppelofenanlage nach Anspruch 7,
dadurch gekennzeichnet, dass die gemeinsame Schwenkvorrichtung (12) ein Tragwerk für den Ofendeckel (5) und den O2-Lanzendeckel (21) und einen hierin integrierten Tragarm (27) für die Sauerstoff-Lanze (13a,b) aufweist und
dass die Elektroden-Tragvorrichtung (16) ein Tragwerk für die Elektroden (6) und für den Elektroden-Innendeckel (18) aufweist. - Doppelofenanlage nach Anspruch 8,
dadurch gekennzeichnet, dass das Deckel-Tragwerk und das Elektroden-Tragwerk Hubzylinder (19, 22, 32) aufweisen, die entsprechend der geometrischen Ausdehnung des Ofendeckels (5), des O2-Lanzendeckels (21) und des Elektroden-Innendeckels (18) über die das Tragwerk bildende Tragarme (14, 17) verteilt angeordnet sind und über die die jeweiligen Deckel von einer erhöhten Schwenkposition in eine abgesenkte Ofen-Verschließposition verfahrbar sind und von denen die Deckel abkoppelbar sind. - Doppelofenanlage nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, dass jedem Ofen (A, B) eine Abgasleitung zugeordnet ist, durch das Abgas beim Einschmelzvorgang oder beim Frischvorgang aus dem Ofen weggeleitet wird, und dass die Abgasleitung mehrteilig ausgebildet ist,
wobei ein mit der Kippbühne (3) verbundenes Abgasrohr (23) bei eingeschwenkter Lage über ein ortsfestes Abgasrohr (24) mit einer Nachbrennkammer (25) verbindbar ist, und dass ein Abgasstutzen (26), der auf dem Ofendeckel (5) angeordnet ist, lösbar gegenüber dem Abgasrohr (23) ausgebildet ist und im entkoppelten Zustand zusammen mit dem Ofendeckel (5) verschwenkbar ist.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10237974 | 2002-08-20 | ||
DE10237974 | 2002-08-20 | ||
DE10332866A DE10332866A1 (de) | 2002-08-20 | 2003-07-19 | Doppelofenanlage für die Erzeugung von Stahlwerkstoffen |
DE10332866 | 2003-07-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1391523A1 true EP1391523A1 (de) | 2004-02-25 |
EP1391523B1 EP1391523B1 (de) | 2006-05-24 |
Family
ID=31189306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03018545A Expired - Lifetime EP1391523B1 (de) | 2002-08-20 | 2003-08-18 | Doppelofenanlage für die Erzeugung von Stahlwerkstoffen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1391523B1 (de) |
AT (1) | ATE327348T1 (de) |
DE (1) | DE50303443D1 (de) |
ES (1) | ES2265539T3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009153075A1 (de) * | 2008-06-17 | 2009-12-23 | Siemens Aktiengesellschaft | Lichtbogenofen |
CN109441089A (zh) * | 2018-11-05 | 2019-03-08 | 中国恩菲工程技术有限公司 | 用于阳极炉前的翻转式操作平台 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01314888A (ja) * | 1988-06-14 | 1989-12-20 | Kawasaki Steel Corp | ツインベッセル式電気炉設備 |
DE4138120A1 (de) * | 1991-11-19 | 1993-05-27 | Fuchs Technology Ag | Einschmelzaggregat mit ofenwiege |
US5602867A (en) * | 1994-12-17 | 1997-02-11 | Man Gutehoffsnungshutte Aktiengesellschaft | Method of and device for operating an arc furnace with two vessels |
US5961688A (en) * | 1994-09-15 | 1999-10-05 | Mannesmann Aktiengesellschaft | Process and device for making liquid iron by non-electric and electric smelting |
DE19823226A1 (de) * | 1998-05-25 | 1999-12-02 | Arcmet Technologie Gmbh Linz | Kippbarer Lichtbogenofen |
US6238453B1 (en) * | 1996-01-31 | 2001-05-29 | Mannesmann Ag | Producing stainless steels in parallel operated vessels |
-
2003
- 2003-08-18 EP EP03018545A patent/EP1391523B1/de not_active Expired - Lifetime
- 2003-08-18 AT AT03018545T patent/ATE327348T1/de active
- 2003-08-18 DE DE50303443T patent/DE50303443D1/de not_active Expired - Lifetime
- 2003-08-18 ES ES03018545T patent/ES2265539T3/es not_active Expired - Lifetime
Patent Citations (6)
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JPH01314888A (ja) * | 1988-06-14 | 1989-12-20 | Kawasaki Steel Corp | ツインベッセル式電気炉設備 |
DE4138120A1 (de) * | 1991-11-19 | 1993-05-27 | Fuchs Technology Ag | Einschmelzaggregat mit ofenwiege |
US5961688A (en) * | 1994-09-15 | 1999-10-05 | Mannesmann Aktiengesellschaft | Process and device for making liquid iron by non-electric and electric smelting |
US5602867A (en) * | 1994-12-17 | 1997-02-11 | Man Gutehoffsnungshutte Aktiengesellschaft | Method of and device for operating an arc furnace with two vessels |
US6238453B1 (en) * | 1996-01-31 | 2001-05-29 | Mannesmann Ag | Producing stainless steels in parallel operated vessels |
DE19823226A1 (de) * | 1998-05-25 | 1999-12-02 | Arcmet Technologie Gmbh Linz | Kippbarer Lichtbogenofen |
Non-Patent Citations (2)
Title |
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LEMKE S ET AL: "TAILORED SOLUTIONS FOR THE PRODUCTION OF QUALITY STEEL", MPT. METALLURGICAL PLANT AND PLANT AND TECHNOLOGY INTERNATIONAL, VERLAG STAHLEISEN, DUESSELDORF, DE, vol. 24, no. 4, August 2001 (2001-08-01), pages 72 - 74,76,78,80,82,84,86-87, XP009010639, ISSN: 0935-7254 * |
PATENT ABSTRACTS OF JAPAN vol. 014, no. 113 (M - 0944) 2 March 1990 (1990-03-02) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009153075A1 (de) * | 2008-06-17 | 2009-12-23 | Siemens Aktiengesellschaft | Lichtbogenofen |
CN109441089A (zh) * | 2018-11-05 | 2019-03-08 | 中国恩菲工程技术有限公司 | 用于阳极炉前的翻转式操作平台 |
Also Published As
Publication number | Publication date |
---|---|
DE50303443D1 (de) | 2006-06-29 |
EP1391523B1 (de) | 2006-05-24 |
ATE327348T1 (de) | 2006-06-15 |
ES2265539T3 (es) | 2007-02-16 |
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