EP0760395B1 - Vorrichtung zum Flüssigmetall-Transport in der Giesshalle eines Schachtofens und Verfahren zum Betrieb dieser Vorrichtung - Google Patents
Vorrichtung zum Flüssigmetall-Transport in der Giesshalle eines Schachtofens und Verfahren zum Betrieb dieser Vorrichtung Download PDFInfo
- Publication number
- EP0760395B1 EP0760395B1 EP96107534A EP96107534A EP0760395B1 EP 0760395 B1 EP0760395 B1 EP 0760395B1 EP 96107534 A EP96107534 A EP 96107534A EP 96107534 A EP96107534 A EP 96107534A EP 0760395 B1 EP0760395 B1 EP 0760395B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pipe
- pipe section
- main channel
- tap hole
- liquid metal
- 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
- 238000000034 method Methods 0.000 title claims abstract description 9
- 229910001338 liquidmetal Inorganic materials 0.000 title claims description 22
- 230000008569 process Effects 0.000 title description 4
- 238000009434 installation Methods 0.000 title 2
- 239000011261 inert gas Substances 0.000 claims abstract description 25
- 239000000919 ceramic Substances 0.000 claims abstract description 18
- 238000005553 drilling Methods 0.000 claims abstract description 16
- 238000012546 transfer Methods 0.000 claims abstract description 9
- 229910000805 Pig iron Inorganic materials 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 17
- 230000008439 repair process Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims 2
- 230000035515 penetration Effects 0.000 claims 1
- 229920002994 synthetic fiber Polymers 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002893 slag Substances 0.000 description 14
- 239000000428 dust Substances 0.000 description 13
- 230000008859 change Effects 0.000 description 11
- 238000010079 rubber tapping Methods 0.000 description 6
- 241000282485 Vulpes vulpes Species 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 241000589614 Pseudomonas stutzeri Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/14—Discharging devices, e.g. for slag
Definitions
- the invention relates to a device for liquid metal transport in the casting hall of a shaft furnace, especially blast furnace, and a method for Operation of this device consisting of at least one installed after tapping the blast furnace Main channel with siphon and downstream drainage channels with a transfer station in the liquid metal transport containers or trolley exists.
- Main channels have been around for some Years as so-called pool channels with relatively large Dimensions in which there is always a liquid residue Pig iron remains, executed. Are typical at Large blast furnace channels of 12 - 15 m length and 2.0 to 2.5 m width.
- the disadvantage here is that after each generation of 0.6 up to 0.8 million tons of pig iron requiring several days Refractory repair is needed, which is under unfavorable Conditions within the casting hall got to. During this time, the racking in question can not be used.
- the liquid metal initially flows in the main channel through a siphon (fox) to separate pig iron and slag; after that the slag-free flows Pig iron through open, but mostly like the main channel also covered with plates or hoods, with ff material supplied channels to the different Parking spaces for pig iron transport vehicles.
- siphon fox
- ff material supplied channels to the different Parking spaces for pig iron transport vehicles.
- tipping channels come with electric or hydraulic drive for Commitment.
- the slag separated at the siphon or fox in turn leaves the main channel and comes via open or with Covered gutters either to a slag pan, a pelletizer with water or freezes through natural cooling in one Cinder bed made of sand.
- Red dust (Fe oxide) accumulates particularly at the tap hole, the tipping channel and at the pig iron inlet in the transport vessel, but to a lesser extent also at the pig iron and slag channels covered with hoods and the main channel. This forms as a result of the hot pig iron coming into contact with the surrounding air.
- dedusting systems for high suction volumes are installed using the technology that is common today. These dedusting systems initially consist of a system for collecting the dusts (hoods, pipes), with several switchable strands being provided on blast furnaces with several tap holes. This in turn requires fittings with large diameters, corresponding actuators and control logic.
- the extracted air amounts are in the order of a few 100,000 Nm 3 / h to well over 1.0 million Nm 3 / h.
- intensive suction the contact of the hot pig iron with air is naturally intensified and the amount of dust per ton of pig iron increases.
- Devices for partitioning / housing are known of the pig iron flow through mechanical devices such as Hoods, covers and the like.
- DE 39 03 444 C1 describes one method and one Device for preventing air contact from Pig iron by fogging with inert gas, e.g. B. Nitrogen known from the tap hole of the metallurgical furnace leading the liquid metal Drainage channels to form the smallest possible free flow of liquid metal Interior are covered, the transfer point, in of the liquid metal from the transport and Drainage channel is passed into a pouring vessel, is shielded largely gastight, with both the free interior of the covered gutters as well the largely gas-tight shielded interior of the Transfer point and the pouring vessel interior with Be flushed with inert gas.
- the liquid metal discharge jet is from the outlet opening into the pouring vessel from a ring-shaped one that prevents air from entering Inert gas jacket additionally shielded.
- the device consists of at least one on one Tap opening of the metallurgical furnace installed Transport and drainage channel, a transfer station with a swivel or tilting channel and a distribution system for the liquid metal in a pouring vessel, each Transport and drainage channels over their entire length or has several covers, one as possible small free, d. H. not flowed through by the liquid metal Form interior.
- the transfer stations including the outlet openings are largely gastight due to a closed Shielded housing.
- a disadvantage of this tapping system is that of high temperature of the pig iron triggered thermals that a constant replenishment of the inert gas required.
- the present invention therefore has the task posed, a timely, safe and fast Opening and closing of blast furnace tap holes ensure suppression of dust formation in the areas taphole, main channel, pig iron and Slag chutes to allow a reduction in manual work in the gutter area a reduction in investment and operating costs to contribute.
- ff material Pipe section arranged between the racking on the blast furnace and the main channel.
- a stationary drill and one stationary tamping machine On both sides of the pipe section are a stationary drill and one stationary tamping machine arranged. This is the Pipe section itself with two connecting pieces equipped, through which the drill of the drill or the trunk of the tamping machine is guided.
- the ceramic (first) slide lock is used for tapping opened and then closed again. Immediately after the closing is over the Inert gas connection, the tap hole was washed free of pig iron and this state by automatically setting one maintain a small inert gas flow rate. The pig iron solidifies in the tap hole and a blocking of the slide closure avoided.
- the stuffing fills the tap hole towards the blast furnace; at the same time penetrates stuffing material in the direction of the stationary drilling machine to the tip of the drill bit, and at the same time it moves the stuffing also on the slide closure without however, to fully reach the ceramic slide plate, because an inert gas cushion forms in front of it.
- the subsequent opening of the tap hole is followed by Opening a flap veiled with inert gas at the top of the cover of the main channel second, above the main channel in an inclined position - Inclination approx. 6 ° according to the inclination of the tap hole - arranged drill after opening the ceramic slide closure operated.
- This drill drills the tap hole through the Pipe section as well as through the inside of the On the FF lining. As soon as the tap hole is free, the drill will be withdrawn and the flap closed. To the unavoidable occurring during this drilling process To collect dust is on the exhaust hood a dedusting line connected to a small, only for the duration of the drilling process operated filter system, leads.
- the main channel is one Covering hood covered.
- the connection between The main channel and cover hood are known per se Way carried out so that the entry of outside air the pig iron bath located inside the main channel is largely suppressed, e.g. B. by means of a sand cup.
- the cover hood can be raised and lowered mechanically as well as laterally movable, for inspections and possibly ff repairs quick access to To create the main channel.
- each tube length also has one metallic pin that the entire ff-delivery of penetrates inside and out in contact with the liquid pig iron is available when this through the Pipe length flows.
- a suitable electrical Circuit it is possible to instantly recognize if at one point the molten pig iron Wear lining has consumed so far that this in Comes into contact with the wire mesh.
- the person in question Pipe length can be reduced at the next opportunity Effort changed and a freshly delivered one Pipe section can be used.
- the pipe system comes with appropriate branches provided so that it has all the designated parking spaces with Can supply pig iron. Switching the pig iron flow from one parking space to the other takes place by means of remote operated ceramic slide closures.
- Such heating has the advantage that, on the one hand the pig iron does not solidify and on the other hand none Temperature change stress for the Refractory lining occurs.
- the main channel is designed as a quick change channel. No heavy lifting gear is needed to change them needed, but lowering the used and the new main channel is lifted with a hydraulic lifting device, such as from known from EP 0 279 165 B1.
- the invention is based on schematic Embodiments described in more detail.
- FIG. 1 shows a plan view of the tapping system or on one of the liquid metal transport systems of a blast furnace (1) with arranged in the blast furnace shell (1.1) Racking (1.2) with tap hole (1.3).
- a pipe section (3) with a first connection piece (3.1) for a stationary one Drill (4) and a second connection piece (3.2) for flanged a stationary tamping machine (5).
- a first connection piece (3.1) for a stationary one Drill (4) and a second connection piece (3.2) for flanged a stationary tamping machine (5).
- To the Pipe section (3) then closes a first slide (6.1) with a ceramic plate and the inlet opening (2.1) of the main channel (2).
- Inert gas feeds (7) arranged at the pipe section (3) before (in the sense of Pig iron flow) and behind the first slide (6.1) on the Inlet opening (2.1) of the main channel (2) Inert gas feeds (7) arranged.
- Another Inert gas supply (7) is at the outlet opening (2.2) the main channel (2).
- a burner (15) for Heating the pipe sections (12) is in the first Pipe section arranged after the main trough (2).
- Fig. 2 shows a longitudinal section through the front part the liquid transport system.
- a pipe section (3) with connecting piece (3.1, 3.2) flanged to which a second Connects pipe section (3) with a first slide (6.1).
- This second pipe section (3) is with the inlet opening (2.1) the main channel (2) also gas-tight connected.
- another pipe section (12) with a second one Flanged slide (6.2) to the other if necessary Pipe sections (12) are added.
- a T-shaped pipe section (13) arranged the pig iron in one of two Cast iron dolly is flowing.
- the main channel (2) is designed as a quick change channel. It becomes worn after the ff lining about tension elements, not shown, on tie rods slide down and up from the operating position in Height of the racking platform on a standing in the hallway Transport vehicle lowered.
- the tie rods are on Main beam support brackets (2) attached.
- Fig. 3 shows the cross section through a ff material pipe section (3/12).
- the ff material consists of the insulating layer (12.1), the Permanent lining (12.2) and the wear lining (12.3) together.
- a wire mesh (12.4) is inserted, which over a metallic pin (12.5) with an electrical one Monitoring device is connected to the state of the wear chuck (12.3).
- Fig. 4 shows devices for sealing two Pipe sections (3) or (12).
- a pipe clamp (3.3) is placed on each side with a supply line (3.4) with shut-off valve (3.5) is provided to a sealant (3.7) in the remaining free gap between the bricked Press pipe sections (3) or (12) into it.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Manufacture Of Iron (AREA)
- Continuous Casting (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
- Fig. 1
- eine Draufsicht auf das Abstichsystem,
- Fig. 2
- einen Längsschnitt im Bereich der Hauptrinne,
- Fig. 3
- einen Querschnitt durch einen mit ff-Material zugestellten Rohrabschnitt,
- Fig. 4
- einen Querschnitt mit Anordnung der Abdichtung zwischen zwei Rohrabschnitten.
- 1
- Hochofen
- 1.1
- Hochofenpanzer
- 1.2
- Abstich
- 1.3
- Stichloch
- 2
- Hauptrinne
- 2.1
- Einlauföffnung
- 2.2
- Auslauföffnung
- 3
- Rohrabschnitt
- 3.1
- Anschlußstutzen für 4
- 3.2
- Anschlußstutzen für 5
- 3.3
- Rohrschelle
- 3.4
- Zuführleitung
- 3.5
- Absperrhahn
- 3.6
- Kunststoffstopfen
- 3.7
- Dichtungsmasse
- 4
- Stationäre Bohrmaschine
- 5
- Stationäre Stopfmaschine
- 6
- Schieberverschlusse (6.1; 6.2 ; 6.3a; 6.3b)
- 7
- Inertgaszuführung
- 8
- Klappe
- 9
- Abdeckhaube von 2
- 10
- Stichloch-Bohrmaschine
- 11
- Syphon (Fuchs)
- 11.1
- Schlackenrinne
- 12
- Rohrabschnitt
- 12.1
- Isolierschicht
- 12.2
- Dauerfutter
- 12.3
- Verschleißfutter
- 12.4
- Drahtgewebe
- 12.5
- metallischer Stift einer elektrischen Meßvorrichtung
- 13
- T-förmiger Rohrabschnitt
- 14
- Rohrkrümmer
- 15
- Brenner
- 16
- Anstellplatz für Roheisen-Transportwagen
- 17
- Inertgasabschleierung
- 18
- Roheisen-Transportwagen
Claims (10)
- Vorrichtung zum Flüssigmetalltransport in der Gießhalle eines Schachtofens, insbesondere Hochofens, die aus mindestens einer an einer Abstichöffnung installierten Hauptrinne mit Syphon, Ablaufrinnen sowie einer Übergabestation, in die Flüssigmetall-Transportgefäße bzw. Transportwagen besteht,
dadurch gekennzeichnet,a) daß zwischen Abstich (1.2) am Hochofen (1) und der Hauptrinne (2) ein geflanschter Rohrabschnitt (3) mit einem ersten Anschlußstutzen (3.1) für eine Bohrmaschine (4) und einem zweiten Anschlußstutzen (3.2) für eine Stichloch-Stopfmaschine (5) vorgesehen ist und daß zwischen dem geflanschten Rohrabschnitt (3) und der Einlauföffnung (2.1) der Hauptrinne (2) eine Inertgaszuführung (7) und ein erster Schieberverschluß (6.1) mit einer keramischen Platte angeordnet ist,b) daß die Hauptrinne (2) mit Syphon (11) gasdicht mit einer Abdeckhaube (9) mit Klappe (8) abgedichtet wird,c) daß zwischen Auslauföffnung (2.2) der Hauptrinne (2) und mindestens einem anderen Rohrabschnitt (12) ein zweiter Schieberverschluß (6.2) mit keramischer Platte angeordnet ist,d) daß der mindestens eine andere Rohrabschnitt (12) in einen T-förmigen Rohrabschnitt (13) mündet,e) daß zwischen dem T-förmigen Rohrabschnitt (13) und sich daran anschließenden Rohrkrümmern (14) je ein dritter Schieberverschluß (6.3a, 6.3b) angeordnet ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß an der Einlauföffnung (2.1), der Auslauföffnung (2.2) und an der Klappe (8) Inertgaszuführungen (7) vorgesehen sind. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß an den Rohrkrümmern (14) eine Inertgasabschleierung (17) vorgesehen ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß an dem ersten Anschlußstutzen (3.1) eine stationäre Bohrmaschine (4), an dem zweiten Anschlußstutzen (3.2) eine stationäre Stopfmaschine (5) und oberhalb der Abdeckhaube (9) an der Klappe (8) eine stationäre Stichloch-Bohrmaschine (10) vorgesehen ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß zur Abdichtung von Rohrabschnitten von einem Rohrabschnitt mit SchieberverSchluß (6.1; 6.2; 6.3a; 6.3b) sowie von Rohrabschnitten untereinander, des T-förmigen Rohrabschnittes (13) mit einem Rohrabschnitt (12) bzw. mit einem Rohrkrümmer (14) eine Rohrschelle (3.3) mit seitlich angeordneten Zuführungsleitungen (3.4) und Absperrhähnen (3.5) vorgesehen ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß in den Rohrabschnitten (3, 12, 13), und Rohrkrümmern (14) am Übergang von Dauerfutter (12.2) zum Verschleißfutter (12.3) ein Drahtgewebe (12.4) sowie ein metallischer Stift (12.5) einer elektrischen Meßvorrichtung vorgesehen ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß ein Brenner (15) an einem der Rohrabschnitte (12) angeordnet ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß die Hauptrinne (2) als Schnellwechselrinne ausgerüstet ist. - Verfahren zum Betrieb einer Vorrichtung für den Flüssigmetall-Transport in der Gießhalle eines Schachtofens, insbesondere Hochofens, nach den Ansprüchen 1 bis 8, und zur Erzielung des zeitgenauen Öffnens und Schließens des Abstiches zur präzisen Dosierung der Flüssigmetall-Menge in der Weise, wobei die Vorrichtung aus mindestens einer an einer Abstichöffnung installierten Hauptrinne mit Syphon und Ablaufrinnen mit einer Übergabestation in die Flüssigmetall-Transportgefäße bzw. Transportwagen besteht,a) daß für das Öffnen des gestopften Stichloches (1.3) eine Stichloch-Bohrmaschine (10) nach Öffnen der keramischen Platte des ersten Schieberverschlusses (6.1) und nach Öffnen einer Verschlußkappe (8) an der Oberseite der Abdeckhaube (9) der Hauptrinne (2) die ausgehärtete Stopfmasse innerhalb des Stichloches (1.3), des Abstiches (1.2) und eines Rohrabschnittes (3), der zwischen Abstich (1.2) und der Hauptrinne (2) angeordnet ist, ausbohrt,b) daß nach Öffnen des Stichloches (1.3) ein Flüssigmetall-Strom durch den einen Rohrabschnitt (3), den geöffneten ersten Schieberverschluß (6.1), die Einlauföffnung (2.1) in die gasdicht abgeschirmte Hauptrinne (2) mit Syphon (11) fließt, daß nach Abtrennen der Schlacke der Roheisenstrom durch die Auslauföffnung (2.2) durch mindestens einen anderen Rohrabschnitt (12) über einen geöffneten zweiten schieberverschluß (6.2) in einen T-förmigen Rohrabschnitt (13) fließt und von dort über einen von geöffneten dritten Schieberverschlüssen (6.3a; 6.3b) durch einen Rohrkrümmer (14) in einen Roheisen-Transportwagen (18) gelangt,c) daß unmittelbar nach dem Schließen des in dem einen Rohrabschnitt (3) angebrachten ersten Schieberverschlusses (6.1) mittels eines Inertgases das Stichloch (1.3) vom Flüssigmetall freigespült wird und daß durch die Einstellung einer spezifischen Inertgas-Durchflußmenge dieser Zustand aufrechterhalten wird,d) daß für das Stopfen im Sinne einer Reparatur des vom Flüssigmetall-Strom ausgewaschenen Stichloches (1.3) bzw. für das Auswechseln der keramischen Platte des ersten Schieberverschlusses (6.1) das Stichloch (1.3) des Abstiches (1.2) mittels eines Inertgases freigespült wird,daß durch einen Bohrer einer stationären Bohrmaschine (4), die in einem ersten Anschlußstutzen (3.1) des einen Rohrabschnitts (3) vorgesehen ist, dieser Anschlußstutzen (3.1) des Rohrabschnittes (3) von ausgehärteter Stopfmasse freigebohrt wird,daß der Bohrer der Bohrmaschine (4) einen Kanal in die ausgehärtete Stopfmasse des Stichloches (1.3) bohrt und danach einen zweiten Anschlußstutzen (3.2) des einen Rohrabschnitts der Stopfmaschine (5) freibohrt,e) daß für das Einbringen von Stopfmasse durch die Stopfmaschine (5) über den zweiten Anschlußstutzen (3.2) Stopfmassen innerhalb des einen Rohrabschnittes (3) Richtung Stichloch (1.3), Richtung ersten Anschlußstutzen (3.1) und Richtung keramische Platte des ersten Schieberverschlusses (6.1) bewegt werden, wobei jedoch die keramische Platte des ersten Schieberverschlusses (6.1) durch ein Inertgaspolster gegen ein weiteres Vordringen der Stopfmasse geschützt bzw. zum Auswechseln freigehalten wird.
- Verfahren nach Anspruch 9,
dadurch gekennzeichnet, daß zur Vermeidung von Roheisen-Fugenläufern nach Reparaturarbeiten eine dichte Verbindung von Rohrabschnitten (3, 12, 13), und Rohrkrümmer (14) durch Einbringen eines Kunststoff-Stopfens (3.6) und einer Dichtungsmasse (3.7) erfolgt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19532040A DE19532040C2 (de) | 1995-08-31 | 1995-08-31 | Vorrichtung zum Flüssigmetall-Transport in der Gießhalle eines Schachtofens und Verfahren zum Betrieb dieser Vorrichtung |
DE19532040 | 1995-08-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0760395A1 EP0760395A1 (de) | 1997-03-05 |
EP0760395B1 true EP0760395B1 (de) | 2001-11-14 |
Family
ID=7770842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96107534A Expired - Lifetime EP0760395B1 (de) | 1995-08-31 | 1996-05-11 | Vorrichtung zum Flüssigmetall-Transport in der Giesshalle eines Schachtofens und Verfahren zum Betrieb dieser Vorrichtung |
Country Status (12)
Country | Link |
---|---|
US (1) | US5673901A (de) |
EP (1) | EP0760395B1 (de) |
JP (1) | JPH09125117A (de) |
KR (1) | KR100426672B1 (de) |
AT (1) | ATE208830T1 (de) |
AU (1) | AU698803B2 (de) |
BR (1) | BR9603635A (de) |
CA (1) | CA2182246A1 (de) |
DE (2) | DE19532040C2 (de) |
ES (1) | ES2167483T3 (de) |
TW (1) | TW302312B (de) |
ZA (1) | ZA966673B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3011366B2 (ja) * | 1995-10-26 | 2000-02-21 | 株式会社ノリタケカンパニーリミテド | 膜形成素材を含む基板の焼成方法および装置 |
US5777705A (en) * | 1997-05-30 | 1998-07-07 | International Business Machines Corporation | Wire bond attachment of a liquid crystal display tile to a tile carrier |
CN101942536B (zh) * | 2009-07-07 | 2012-10-24 | 范威 | 高炉铁口用多通道旋转接头 |
CN102417942A (zh) * | 2010-09-27 | 2012-04-18 | 周久乐 | 一种高炉炼铁虹吸出铁装置 |
CN113579176B (zh) * | 2021-07-30 | 2022-11-29 | 湖南精量重工科技有限公司 | 一种铸造高精度的工件铸造方法 |
CN114653932B (zh) * | 2022-03-10 | 2024-06-21 | 重庆赛迪奇智人工智能科技有限公司 | 鱼雷罐车开关盖装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3262692A (en) * | 1966-07-26 | Furnace botting and tapping apparatus | ||
GB1064617A (en) * | 1965-07-08 | 1967-04-05 | Huttenwerksanlagen Ges | Apparatus for tapping metal from furnaces |
US3365187A (en) * | 1965-10-20 | 1968-01-23 | Bethlehem Steel Corp | Runner system for blast furnace |
US4208041A (en) * | 1970-09-15 | 1980-06-17 | Abrashev Georgi I | Metallurgical apparatus |
DE2619534C2 (de) * | 1976-05-04 | 1978-06-29 | Didier-Werke Ag, 6200 Wiesbaden | Abflußeinrichtung für metallurgische öfen |
GB1603119A (en) * | 1977-11-21 | 1981-11-18 | Lodge Cottrell Ltd | Fume containment |
GB1596442A (en) * | 1978-02-07 | 1981-08-26 | Lydmet Ltd | Casting of long hollow objects |
DE2918344A1 (de) * | 1979-05-07 | 1980-11-20 | Metacon Ag | Schieberverschluss fuer den abstichkanal eines metallurgischen ofens oder gefaesses |
US4355788A (en) * | 1980-03-24 | 1982-10-26 | Bate Micheal D | Hot metal runner system with air pollution controls |
US4357003A (en) * | 1980-09-24 | 1982-11-02 | Jones & Laughlin Steel Corporation | Blast furnace cast house pollutant suppression |
US4354668A (en) * | 1981-08-20 | 1982-10-19 | Jones & Laughlin Steel Incorporated | Method and apparatus for determining completion of a cast in blast furnace casthouse pollution suppression system |
US4475720A (en) * | 1983-03-14 | 1984-10-09 | Broom Gilbert R | Casthouse emission control system |
DE3624266A1 (de) * | 1986-07-18 | 1988-01-21 | Gutehoffnungshuette Man | Vorrichtung zum auswechseln von hauptabstichrinnen an hochoefen |
DE3705099A1 (de) * | 1987-02-18 | 1988-09-01 | Gutehoffnungshuette Man | Vorrichtung zum auswechseln von abstichrinnen an schachtoefen |
JP2671431B2 (ja) * | 1988-09-14 | 1997-10-29 | 株式会社豊田自動織機製作所 | 超電導可逆可変インダクタ |
ES2049020T3 (es) * | 1989-02-06 | 1994-04-01 | Kloeckner Stahl Gmbh | Procedimiento para evitar la formacion de los gases de humo en los procesos metalurgicos y en el transporte de metal liquido desde un recipiente metalurgico a recipientes de colada y dispositivo de transporte para metales fundidos desde horno metalurgico a recipiente de colada. |
DE3903444C1 (en) * | 1989-02-06 | 1990-02-15 | Kloeckner Stahl Gmbh | Method and apparatus for transporting liquid metal from a metallurgical furnace to a casting vessel |
DE3904415C1 (de) * | 1989-02-14 | 1990-04-26 | Intracon Handelsgesellschaft Fuer Industriebedarf M.B.H., 6200 Wiesbaden, De | |
DE4033482C1 (de) * | 1990-10-20 | 1992-02-20 | Kloeckner Stahl Gmbh, 4100 Duisburg, De |
-
1995
- 1995-08-31 DE DE19532040A patent/DE19532040C2/de not_active Expired - Fee Related
-
1996
- 1996-05-11 ES ES96107534T patent/ES2167483T3/es not_active Expired - Lifetime
- 1996-05-11 DE DE59608182T patent/DE59608182D1/de not_active Expired - Fee Related
- 1996-05-11 AT AT96107534T patent/ATE208830T1/de not_active IP Right Cessation
- 1996-05-11 EP EP96107534A patent/EP0760395B1/de not_active Expired - Lifetime
- 1996-06-14 TW TW085107150A patent/TW302312B/zh active
- 1996-07-25 AU AU60695/96A patent/AU698803B2/en not_active Ceased
- 1996-07-25 US US08/686,032 patent/US5673901A/en not_active Expired - Fee Related
- 1996-07-29 CA CA002182246A patent/CA2182246A1/en not_active Abandoned
- 1996-08-06 ZA ZA9606673A patent/ZA966673B/xx unknown
- 1996-08-14 JP JP8245389A patent/JPH09125117A/ja not_active Ceased
- 1996-08-30 KR KR1019960036696A patent/KR100426672B1/ko not_active IP Right Cessation
- 1996-09-02 BR BR9603635A patent/BR9603635A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ZA966673B (en) | 1997-02-17 |
BR9603635A (pt) | 1998-05-19 |
DE19532040A1 (de) | 1997-03-06 |
TW302312B (de) | 1997-04-11 |
KR970010979A (ko) | 1997-03-27 |
DE19532040C2 (de) | 1999-05-27 |
DE59608182D1 (de) | 2001-12-20 |
ES2167483T3 (es) | 2002-05-16 |
ATE208830T1 (de) | 2001-11-15 |
US5673901A (en) | 1997-10-07 |
JPH09125117A (ja) | 1997-05-13 |
AU6069596A (en) | 1997-03-06 |
KR100426672B1 (ko) | 2004-06-24 |
AU698803B2 (en) | 1998-11-05 |
CA2182246A1 (en) | 1997-03-01 |
EP0760395A1 (de) | 1997-03-05 |
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