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WO/2013/133222A1 |
[Problem] To provide a refractory which is excellent in terms of corrosion resistance and profitability. [Solution] A shaped refractory obtained from a fired refractory and an oxide powder, characterized in that in the central part locat...
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WO/2013/129996A1 |
A system for metal powder atomisation comprising a refractory lined melting furnace (1) configured to melt metal into a liquid metal bath (6), in which furnace (1) a drain (3) is arranged for draining liquid metal from the bottom of the ...
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WO/2013/117240A1 |
A pivotable tundish (1) for continuous casting a metal alloy. The tundish comprises a body (3) comprising a first chamber (5), a second chamber (7), a first passage (12) between the first chamber and the second chamber, and a second pass...
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WO/2013/112130A1 |
Disclosed are vessels used for melting material to be injection molded to form a part. One vessel has a body formed from a plurality of elongate segments configured to be electrically isolated from each other and with a melting portion f...
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WO/2013/100127A1 |
The purpose of the present invention is to provide a continuous-casting immersion nozzle that excels in anti-spalling properties and alumina adhesion prevention properties, and a continuous casting method that uses the nozzle. This conti...
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WO/2013/092357A1 |
The invention relates to a method for the in particular material and/or thermal isolation of steel melt in a vessel, e.g. a tundish. In order to specify a method by means of which disadvantageous metallurgical effects on the steel melt d...
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WO/2013/087539A1 |
The invention relates to a method for maintaining and/or repairing the spout area (1) of a metallurgical vessel, wherein a substantially hollow-cylindrical sleeve (3) in a perforated brick (2) of the metallurgical vessel is removed. In o...
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WO/2013/088249A2 |
The present invention concerns a nozzle assembly (20, 30) for a metal casting apparatus selected from a sliding gate and a tube exchange device, said nozzle assembly comprising: a first refractory element (1 ) comprising a first coupling...
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WO/2013/086126A1 |
A method and system for evaluating the condition of a remote surface of a material, especially a refractory material, including the steps of providing a wide band coherent radar antenna that is selected based upon an impedance match with...
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WO/2013/081113A1 |
The present invention provides for long-term prevention of hydration (slaking) of CaO during a production stage, during storage, and during an operation stage in a refractory comprising a CaO component. That is, this refractory comprises...
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WO/2013/073212A1 |
A predictive detection method for occurrence of slab detects, the method being capable of predictively detecting the occurrence of aluminous defects in slabs that are continuously cast by detecting the molten steel level inside a mold, c...
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WO/2013/068296A1 |
The invention relates to ferrous metallurgy, in particular, to production of steel slabs by continuous casting. In the claimed method for continuous casting of steel, superheated metal is fed from an intermediate ladle to a mold having a...
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WO/2013/048658A1 |
An improved valve plate assembly is provided for use in a slide gate valve. The valve plate assembly includes a refractory valve plate having an orifice positioned along its longitudinal centerline, and truncated corners for optimizing t...
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WO/2013/045520A1 |
The invention relates to a stopper drive (1), to a method for compensating elasticities or play in the control of the stopper drive (1), and to the use of the stopper drive (1). The aim of the invention is to present an economical, compa...
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WO/2013/043257A1 |
A metallurgical ladle, and more particularly the bottom of the ladle or a ladle block in the bottom of the ladle, have an outlet through which the molten metal can drain. The ladle bottom contains an open-end channel bounded by at least ...
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WO/2013/041258A1 |
The invention relates to a ceramic refractory stopper (a stopper device) for controlling a flow of molten metal at an outlet opening of a metallurgical vessel, such as a tundish.
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WO/2013/039279A1 |
The present invention relates to a nozzle for sending molten steel from a ladle to a tundish in the continuous casting process of a steel-making process in a foundry, and, more specifically, to a technique for preventing the shroud nozzl...
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WO/2013/033020A1 |
An exchangeable valve plate assembly is provided for use in a slide gate valve. The exchangeable valve plate assembly includes a refractory exchangeable plate that may be replaced in the assembly without removing the slide gate valve fro...
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WO/2013/024973A2 |
For an immersion nozzle for casting which may increase the quality of a slab and a continuous casting apparatus including the same, the present invention provides an immersion nozzle for casting, which includes: a body section having an ...
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WO/2013/018476A1 |
Provided is a monolithic refractory which rarely deteriorates in strength at a high-temperature range of, for example, over 1,000°C irrespective of an organic binder being used as a bonding agent. The monolithic refractory of the presen...
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WO/2013/007526A2 |
The invention relates to a refractory ceramic slide plate and an associated slide plate set.
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WO/2013/004571A1 |
The present invention relates to a nozzle for guiding a metal melt from a first to a second means, in particular it relates to a submerged entry nozzle for guiding a stream of a metal melt (steel melt) from a metallurgical melting vessel...
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WO/2013/000566A1 |
The present invention concerns a shop gate and a nozzle (1) suitable for being coupled with the bottom floor (10a) of a tundish (10), said nozzle comprising a hollow tube with an axial bore (2) extending from an inlet (2a) opening at a f...
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WO/2013/000880A1 |
The invention relates to a sliding closure for a metallurgical casting vessel, in particular a casting lade, comprising a slide plate (3) movably supported between a head plate (5) and a pouring plate (6), wherein all three plates (3, 5,...
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WO/2012/174701A1 |
A tundish (100) with electromagnetic heating opening, which is formed to be able to adjust and control the temperature of the opening by assembling special electromagnetic heating apparatus in the bottom of the body (1); one or more elec...
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WO/2012/175911A1 |
A metal transfer device (1) includes a cast trough body (2) for receiving liquid metal, a heater (4) for heating the trough body, and a filler layer (6) between the trough body and the heater. The filler layer (6) comprises a cast refrac...
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WO/2012/156073A1 |
The present invention concerns a nozzle unit (1) for use in a nozzle exchange device (100) in a continuous metal casting apparatus, said nozzle exchange device (100) being of the type comprising a loading opening and guiding means (7) fo...
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WO/2012/153730A1 |
[Problem] To provide a steel ladle residual refractory material measurement method and device which are capable of accurately measuring the residual amount of refractory material in a steel ladle by facilitating measurement with the same...
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WO/2012/152383A1 |
In a device for fastening a perforated block (1) to a metal melt container, the perforated block (1) can be fastened by means of at least one clamping wedge (36) which can be inserted transversely with respect to its through opening (D) ...
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WO/2012/149993A1 |
A reaction crucible (1) intended for carrying out aluminothermic welding operations is provided with a bottom (20) having an outflow opening (4) and contains a fine-grain aluminothermic mixture. In order to retain the slag (7) formed as ...
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WO/2012/146220A1 |
The present invention relates to an immersion tube (1) for use in metallurgy, at the lower end of which is arranged a nozzle having two outlet channels (5, 6) for liquid metal. A jacket (4) is arranged over the end of the immersion tube ...
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WO/2012/148560A1 |
A refractory element is configured to prevent or limit steel reoxidation in a steel casting process. The refractory element contains a base surrounded by a periphery in a specified geometrical arrangement. The refractory element is const...
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WO/2012/132209A1 |
Provided is a steel casting pouring apparatus that can contribute to shortening the pouring time for pouring molten steel for casting into a mold sprue. A first axial line of a first pivot is positioned radially to the inside of a first ...
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WO/2012/132562A1 |
Provided is a submerged nozzle (10) that is for continuous casting and that, in high-speed casting of a slab having a high width/thickness ratio, can control within a set range the flow speed of molten steel flows heading upwards and dow...
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WO/2012/133181A1 |
The present invention relates to a plate fixing structure and a plate used in the fixing structure. According to the plate fixing structure of the present invention, alignment of a fitting recessed portion and a fitting projecting portio...
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WO/2012/126058A1 |
A refractory brick for lining a metal making furnace, ladle or the like, the refractory brick including: a main body with an exposed face, the exposed face being a surface of the refractory brick that is exposed to oxygen air when the re...
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WO/2012/128397A1 |
The present invention relates to a method of alloying cast steel with sulphur in a sand mold for making the high sulphur cast steel, and to produce High Sulphur Cast Steel, the antifriction and wear resistance material that has high impa...
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WO/2012/125367A2 |
An open bottom electric induction cold crucible with a slotted wall extending below one or more induction coils surrounding the partial exterior height of the crucible is used in an electromagnetic casting process for the production of i...
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WO/2012/104028A1 |
The invention relates to a closure plate for a sliding closure on the spout of a container containing molten metal. Two outer longitudinal faces, a flow opening (21) arranged on a central longitudinal axis (A) of the closure plate (20), ...
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WO/2012/095282A1 |
The pouring spout changer according to the invention is characterised in that it is provided with a dummy plate (14) for closing the casting channel of the casting device in an emergency. The dummy plate (14) can be brought into the clos...
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WO/2012/074086A1 |
In a composite sliding nozzle plate in which a cylindrical body is attached to a sliding nozzle plate main body part, the present invention can prevent slippage of the cylindrical body and the entrance of base metal into the joint part b...
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WO/2012/073620A1 |
The present invention provides an SN plate capable of increasing in size using a highly erosion-resistant, high thermal expansion, flame-resistant material. In this invention, erosion resistance is increased by adding aluminum, and a spe...
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WO/2012/062414A1 |
The invention relates to a floor casting nozzle for arrangement in or on the floor of a metallurgical container, having an upper end, preferably for connection to a metallurgical container or to a slide valve of a metallurgical container...
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WO/2012/052164A1 |
The tube (10) delimits a pouring channel (12) having a pouring axis (X), comprising a downstream part, in which the pouring channel has a diameter known as the outlet diameter, and an upstream part (16) which is defined as being that par...
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WO/2012/053476A1 |
The purpose of the present invention is, in an upward pouring type teeming method for molten metal, to reduce the flow speed of the molten metal in the molten metal surface direction (vertical direction) within a mold that is being teeme...
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WO/2010/103463A9 |
The invention relates to powder consisting of: (a) more than 92% of zircon particles, the powder comprising: (a2) more than 60% of zircon particles having a size greater than 0 microns, at least 90 wt % of said zircon aggregate particles...
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WO/2012/021117A1 |
A thermally efficient cover for the molten metal held in a furnace, tundish, ladle, crucible or other containment vessel. Through substantially horizontal movement, this cover allows for periodic removal, particularly by retraction, for ...
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WO/2012/016346A1 |
An automated mechanism for liquid tapping, arising in the copper-smelting process, in smelting furnaces, conversion furnaces, copper reactors, refining furnaces, anodic furnaces, furnaces for cleaning or treating slag or electric furnace...
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WO/2012/012853A1 |
The present invention relates to an impact pad for use in tundish of continuous casting steel during pouring out of molten steel (6) from the casting ladle into the tundish. The impact pad (1) has side walls (2) provided with barriers (3...
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WO/2012/009777A1 |
Integral device for immobilizing and changing a submerged entry nozzle in continuous casting tundishes, with the invention combining two different functions in a single device: one use relates to emergency interruption of the flow of mol...
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