Abstract: In the method for replacing an immersion nozzle while pushing out a used immersion nozzle by a new immersion nozzle, in order to minimize leakage of molten steel during the replacement, to enable the use of a shaped joint sealer in a joint interface, and to ensure high sealability, a concave portion is formed on the new immersion nozzle's upper plane so as to include a nozzle hole, and the shaped joint sealer is mounted in this concave portion. The immersion nozzle's upper plane is caused to slide while being pressed to the upper nozzle's lower plane.

Abstract: A casting nozzle to be used in a nozzle exchange (insert and/or removal) device of nozzle in continuous casting which comprises the nozzle which constitutes a tubular part provided with a channel, a rectangular flange or plate having the channel for casting, wherein the plate has an upper surface and a rear surface having two arcs, which are provided with a radius R arranged on the both sides of the plate in the perpendicular direction of a nozzle insertion (hereafter called X direction) and a supporting faces on both sides of the nozzle in the direction of a nozzle insertion (hereafter called Y direction), and a metal case for reinforcing and covering the flange or plate and the upper part of the tubular part.

Abstract: In a continuous casting method for casting aluminum-deoxidized molten stainless steel 1 by using a continuous casting apparatus 100 in which a long nozzle 3 extending into a tundish 101 is provided at a ladle 2, the molten stainless steel 1 is poured into the tundish 101 through the long nozzle 3, while the spout 3a of the long nozzle 3 is being immersed in the molten stainless steel 1 that has been poured, and the molten stainless steel 1 in the tundish 101 is poured into a casting mold 105. A TD powder 5 is sprayed so that the powder covers the surface of the molten stainless steel 1 in the tundish 101, and nitrogen gas is supplied around the molten stainless steel 1. A calcium-containing material is added to the molten stainless steel 1 in a state other than a state of retention in the tundish 101.

Abstract: A furnace for melting and/or gasifying material, comprising a housing for temporary enclosure of said material, a supply opening through said housing, heating means, a discharge opening through said housing, a gas outlet through said housing, wherein said housing is mounted tiltable around a horizontal axis, said supply opening extending coaxially with said horizontal axis, and the discharge opening being mounted in a wall of the housing so that said melted material can be removed from the housing by tilting the furnace about said axis.

Abstract: Casting tube mounting including a centering device for the casting tube, a toothed centering crown and a centering ring having radial pins. When the casting tube is pressed on, the radial pins engage in tooth gaps of the centering crown and thus effect immovably precise centering and alignment of the casting tube.

Abstract: A pouring nozzle includes a generally rectangular shaped plate and a tube extending from the bottom surface of the plate. The nozzle includes a pouring channel emerging close to the downstream end of the tube through outlets formed in the lateral walls of the tube. The outlets are disposed symmetrically on either side of the axis of the tube. The axis of the outlets is substantially parallel to a pair of sides of the plate. The orifice is oblong and has a major axis and a minor axis. The minor axis of the orifice is parallel to the axis of the outlets. The pouring nozzle may be assembled with an inner nozzle. This nozzle and its assembly with an inner nozzle may be used for the continuous casting of steel from a tundish towards a continuous casting mould.

Abstract: The pouring nozzle comprises an elongated, tubular part, defining a lower part of a pouring channel with a central longitudinal axis L, a plate-like part, provided with a flow-through opening between its surface opposite the tubular part and its section adjacent said tubular part. The flow-through opening defines an upper part of the pouring channel. The peripheral area between said surface and said section comprises four segments, namely two inclined bearing surfaces, opposite to each other, and two planar surface sections, arranged opposite and parallel to each other between said two distinct bearing surfaces. Each bearing surface is curved with respect to the central longitudinal axis L of the pouring channel. The curvature is therefore concave with respect to the central longitudinal axis L and in view of the opposite arrangement of the bearing surfaces the said bearing surfaces are arranged inversely to each other.

Abstract: A molten metal pouring nozzle capable of preventing reaction with a molten metal and casting a high quality ingot continuously for a long period of time is provided. A molten metal pouring nozzle 20 arranged between a molten metal receiving portion 10 and a mold 40 of a continuous casting device 1 is equipped with a main body portion 22 having at least one molten metal passage 21 and made of a fire-resistant substance, and a sleeve 23 made of a material which does not react with the molten metal and having a heat conductivity of 10 to 30 W/(m·° C.) is fitted in the molten metal passage 21 of the main body portion 22.

Abstract: An apparatus for delivering a predetermined volume of lead to a mould includes a housing defining a lead reservoir having a lead outlet defined in its base and in communication with the reservoir. A runway is provided beneath the base, spaced from the base and generally parallel thereto. A block is provided slidably mounted between the base and the runway and defining a through cavity having the predetermined volume for receiving lead from the outlet in a first position and for releasing the lead in a second position. A mechanism is provided for reciprocating the block between the first and second positions. A cast on strap machine is also disclosed. A lead delivery apparatus comprising a delivery chute is also disclosed.

Abstract: A partial SEN capable of having flow diverter parts installed therein, and a method of using the SEN in a continuous casting system are disclosed. The partial SEN includes a hollow distribution zone at a bottom portion of the SEN which is designed to allow the installation of at least two different types of flow diverter parts, one type of flow diverter parts for a first type of caster mold, and a second type of flow diverter parts for a second type of caster mold. The design of the flow diverter parts and the resulting angles achieved when the flow diverter parts are installed in the partial SEN are matched to a caster mold such that the flow characteristics of molten steel exiting the SEN into the caster mold during continuous casting operation are of a desired and optimal nature to prevent various types of casting defects.

Abstract: The invention relates to a nozzle for guiding molten metal flowing from a vessel into a mold. The nozzle comprises a conduit which is elongate along an axis which is orientated vertically during use. The nozzle has at least one upper inlet and towards its lower end two spaced apart baffles, the respective outer walls of the baffles partly defining two lower outlets and the respective inner walls of the baffles defining at least part of at least one outlet flow passage therebetween. Each baffle inner wall is at least partly concavely curved and arranged so that there is converging flow from said outlet flow passage or passages.

Abstract: The invention relates to a discharge nozzle for an arrangement inside or at the base of a metallurgic vessel with an upper end, preferably for the connection to a metallurgic vessel or to a sliding valve of a metallurgic vessel, and a lower end, whereat a flow-through channel with at least one discharge opening at its lower end is arranged between the two ends, whereat the radially to the outside pointing wall of the flow-through channel is surrounded by a gas-proof case, characterized by the fact that the case surrounds the lower end with at least one discharge opening in a gas proof manner. The invention further relates to a method for operating a bottom discharge nozzle.

Abstract: The invention relates to an immersion nozzle, for example of the kind used for continuously casting a metal melt.

Abstract: A submerged nozzle supporting-replacing mechanism, which is constituted to set an entire width dimension (L3) of each of clampers (20 and 21) to be smaller than a flange diameter dimension (L1) of a submerged nozzle (9) so as to position each of the clampers (20 and 21) by a positioning member (26), and so as to guide an upper surface (43) of a fresh submerged nozzle (9A) by a positioning liner (6), to thereby regulate a height position of the fresh submerged nozzle (9A) during movement in a horizontal direction thereof. The position of the clampers are regulated by setting the entire width dimension of the clampers to be smaller than the flange diameter dimension of the submerged nozzle, which can be smoothly replaced by providing the positioning liner.

Abstract: It is intended to uniform and straighten a molten steel stream flowing out of a discharge port of an immersion nozzle, and thus suppress mold powder entrapment in the vicinity of the immersion nozzle. The immersion nozzle comprises a tubular-shaped straight nozzle body formed to extend in a vertical longitudinal direction and adapted to allow molten steel from a molten-steel inlet provided at an upper end thereof to pass downwardly therethrough, and a pair of discharge ports provided in a lower portion of the straight nozzle body in bilaterally symmetrical relation and adapted to discharge the molten steel from a lateral surface of the straight nozzle body in a lateral direction.

Abstract: A device for exchanging tundish nozzles juxtaposed at a bottom of a tundish includes a pair of first arms and a pair of second arms. The pair of first arms presses and supports a first lower nozzle. The first lower nozzle is located at an undersurface of a first upper nozzle. The first upper nozzle us placed at the bottom of the tundish. The pair of second arms presses and supports a second lower nozzle. The second lower nozzle is located at an undersurface of a second upper nozzle. The second upper nozzle is places at the bottom of the tundish and next to the first upper nozzle. The pair of first arms and the pair of second arms are adjoined to each other, and the pairs at least partly overlap each other.

Abstract: Disclosed is anti-alumina-buildup refractories for casting nozzles, which comprises a refractory aggregate including 20 mass % or more of CaO component, and 10 mass % or more of clinker particles each containing CaO as a mineral phase, on the basis of 100 mass % of the entire composition. At least a part of the surfaces of the CaO exposed from the surfaces of the corresponding clinker particles is formed with a CaCO3 film. The CaCO3 film releases CO2 gas through thermal decomposition to smooth an operative surface of the nozzle so as to prevent the accretion of metal thereon, so that CaO is continuously supplied to alumina attached on the operative surface to prevent alumina buildup. In addition, the CaCO3 film effectively prevents the hydration of CaO due to a hydration reaction.

Abstract: The invention relates to a casting tube mounting comprising a centering device for the casting tube, said device being composed of a toothed centering crown (8) and a centering ring (6) having radial pins (7). When the casting tube (3) is pressed on, the radial pins (7) can engage in the tooth gaps (19) of the entering crown (8) and thus effect immovably precise centring and alignment of the casting tube.

Abstract: In an operation of continuous casting of steel grade such as aluminum-killed steel where a nozzle clogging phenomenon is particularly likely to occur, it is intended to prevent adhesion of inclusions (typically, Al2O3) on a nozzle used in the casting operation, and clogging of the nozzle due to the inclusions. A refractory material 10 is arranged to define a part or an entirety of a molten steel-contacting surface of a continuous casting nozzle, wherein the refractory material 10 contains: a CaO component in an amount of 0.5 mass % or more; one or both of B2O3 and R2O (R is one selected from the group consisting of Na, K and Li) in an amount of 0.5 mass % or more; Al2O3 in an amount of 50 mass % or more; and free carbon in an amount of 8.0 to 34.5 mass %, and wherein a total amount of CaO, B2O3 and R2O is in the range of 1.0 to 15.0 mass %, and a mass ratio of CaO/(B2O3+R2O) is in the range of 0.1 to 3.0.

Abstract: A die casting apparatus and method evidencing increased apparatus output including the ability of using multiple die tools. The apparatus includes an indexing assembly removably engaged with at least one die block assembly for transporting between four stations, including an injection station, a cooling station, an ejection station, and a recovery station. The injection station includes a frame, a clamp assembly attached to the frame for clamping and releasing the die block assembly, a shot sleeve assembly engaged with the die block assembly for receiving molten material, such as metal, from a furnace means and injecting the molten material into the die block assembly, and a shot cylinder releasably coupled with the shot sleeve assembly for controlling the injection of molten material.

Abstract: The present invention is directed to creating a less-energy loss or smooth (constant) molten steel flow with a focus on a configuration of a bore of an upper nozzle, so as to provide an upper nozzle formed with a bore having a configuration capable of to suppress deposit formation. For this purpose, in an upper nozzle 10 for allowing molten steel to flow therethrough, a radius of an upper end of a bore 11 is set to be equal to or greater than 1.5 times a radius of a lower end of the bore 11, and a bore surface 14 is formed in a vertical cross-sectional configuration represented by log(r(z))=(1/n)×log((H+L)/(H+z))+log(r(L))(n=1.5 to 6).

Abstract: In a insert-type continuous casting nozzle comprising a highly functional layer formed to have a high corrosion resistance, a high anti-attachment capability, etc., and provided to define an inner bore thereof, the present invention is directed to providing a refractory material (mortar) for an intermediate layer of the continuous casting nozzle, which has a property capable of fixing an inner bore-side layer to an outer periphery-side layer (a nozzle body) of the continuous casting nozzle, while preventing the occurrence of expansion splitting in the outer periphery-side layer due to a difference in thermal expansion between the inner bore-side and outer periphery-side layers, and a continuous casting nozzle using the refractory material for the intermediate layer.

Abstract: A continuous-casting-nozzle support apparatus capable of enhancing sealing performance between a continuous casting nozzle and an SN device. The continuous-casting-nozzle support apparatus comprises: a holding mechanism 40 disposed to extend from a stationary column 10 fixed onto a supporting surface, and adapted to be turnable in a horizontal direction and swingable or movable in an upward-downward direction; a lifting mechanism 70 provided on the side of a distal end of the holding mechanism 40; a supporting mechanism 80 provided on the side of a distal end of the lifting mechanism 70, and adapted to support a continuous casting nozzle 100; and a hooking device 90 provided in the lifting mechanism 70, and adapted to allow the lifting mechanism 70 to be hooked to a first engagement portion 111a formed on a sliding metal frame of a sliding nozzle device 110, wherein the lifting mechanism 70 is adapted to lift the continuous casting nozzle 100 through the supporting mechanism 80.

Abstract: It is intended to develop a technique of pressing and fixing a plate by a uniform force to suppress the occurrence of a crack around a nozzle hole of the plate during use, and provide a sliding nozzle device capable of improving durability of the plate, and a plate for use in the sliding nozzle device. The sliding nozzle device comprises a plate (2) and a plate-receiving metal frame (1) for fixedly holding the plate (2).

Abstract: A pouring nozzle for a device for nozzle insertion and/or removal has a shape that is adapted so as to better resist the stresses imposed by their use and notably the stresses linked to the maintenance of the nozzle in the device. The pouring nozzle is provided with two exposed bearing faces forming with the pouring channel an angle ? of 20° to 80°. A pushing device applies thrust force to the nozzle. A casting installation embodies the nozzle and the pushing device.

Abstract: The invention generally relates to a refractory pouring tube for pouring a molten metal from one metallurgical vessel to another metallurgical vessel. The invention as well relates to a corresponding assembly, comprising such a pouring tube.

Abstract: A discharge device discharges liquid steel into a roller crystallizer for the continuous casting of thin strip. The discharge device reduces turbulence at the meniscus to a minimum so as to eliminate the relative defects on the cast strip by passing the steel between two crystallizer rollers. A relative casting process provides expedients for improving the steel feeding from a tundish to the crystallizer. Advantageously, the feeding of guided steel jet streams inside the nozzle, or delivery nozzle, eliminates the disturbance at the meniscus caused by the air bubbles which can form when free-falling jet streams come into contact with the air.

Abstract: A slide valve device for automatic surface pressure application including a slide valve having a three-layer structure, in which the movable bodies of the seal case is slidable on a support surface of a spring holder. The slide case and the seal case are coupled with each other by means of a coupling device or a coupling stopper, and the cases are slid together by means of an actuator so as to apply and release a surface pressure.

Abstract: A molten metal pouring nozzle capable of preventing reaction with a molten metal and casting a high quality ingot continuously for a long period of time is provided. A molten metal pouring nozzle 20 arranged between a molten metal receiving portion 10 and a mold 40 of a continuous casting device 1 is equipped with a main body portion 22 having at least one molten metal passage 21 and made of a fire-resistant substance, and a sleeve 23 made of a material which does not react with the molten metal and having a heat conductivity of 10 to 30 W/(m·° C.) is fitted in the molten metal passage 21 of the main body portion 22.

Abstract: A method for producing wide strips of copper is performed by pouring a molten liquid into a revolving wide strip mold via a distribution container and a pour nozzle. A surface of the molten metal in the distribution container is maintained at a constant level above the place where the pour nozzle is fixed in the distribution container in the range of 75 mm to 90 mm with respect to the level of the bath surface of the mold. The molten metal is guided by an ascending channel from the distribution container to the pour nozzle and is distributed within the pour nozzle symmetrically over a width corresponding to the width of the strip. Within the pour nozzle, the molten metal is guided through first and second flow restrictors and is separated into numerous small individual flows in a vertical direction over the entire strip width of the mold.

Abstract: An object of the invention is to provide a casting nozzle in which attachment and deposition of alumina or the like can be prevented while a drift of molten steel can be prevented. The casting nozzle according to the invention is characterized in that the casting nozzle has a molten steel flow hole portion in which “a plurality of independent protrusion portions and/or concave portions” are disposed so that each of the protrusion portions and/or concave portions has a size satisfying the expression (1): H?2 mm and the expression (2): L>2×H mm [in which “H” shows the maximum height of the protrusion portion or the maximum depth of the concave portion, and “L” shows the maximum length of a base portion of the protrusion portion or concave portion].

Abstract: A method of producing an immersion nozzle for continuous casting, which includes integrally molding a first zirconia-graphite compound applied to a powder-line portion of the nozzle, and a second compound applied to at least an inner hole portion of the nozzle. The second compound includes 10 mass % or more of clinker particles each containing CaO as a mineral phase, and the surface of at least a part of the clinker particles is subjected to an anti-hydration treatment, such as a heat treatment to be performed under a CO2 atmosphere to convert CaO to CaCO3. The method can suppress volume expansion caused by the reaction between CaO and water released from resin added as binder, so as to prevent the occurrence of cracks during a burning process of the molded piece.

Abstract: One aspect of the invention concerns a launder assembly (10) for conveying molten material from a metallurgical furnace, The assembly is made up of launder sections (12) arranged end to end with connections between adjacent ends of the launder sections. Each launder section includes a base (14) and spaced apart side walls (16, 18). At each connection between the adjacent ends of two launder sections, the bases of the launder sections are formed with recesses (28) which, in combination, form a cavity (32). A connector (34) is located in the cavity and in that the bases of the launder sections are connected to one another through the connector. In the preferred arrangement, the bases of the launder sections are connected to the connector by fasteners, typically bolts (38) which engage the bases and in threaded holes (42) in the connector.

Abstract: An end-piece for an additive guide tube is disclosed. Such an end piece may have a durable sleeve and a sloughable sleeve. The sloughable sleeve may have a channel through which an additive may be delivered, and the sloughable sleeve may reside in the through-hole of the durable sleeve and may be secured to the durable sleeve. When molten metal contacts the sloughable sleeve, the sloughable sleeve burns or melts and sloughs off, thereby preventing the molten metal and slag from sticking to the end-piece, which in turn prevents buildup of metal and slag.

Abstract: A submerged entry nozzle (SEN) for use in a casting machine to conduct molten steel from a tundish to a mold may include a housing having an inlet capable of receiving an incoming flow of molten steel from the tundish, a distribution zone capable of delivering the molten steel to the mold; and a main body having a bore capable of conducting molten steel therethrough from the inlet to the distribution zone, the bore having sectional geometries capable of alternately compressing and decompressing the molten steel flow in flow path zones to alternately increase and decrease the steel flow velocity with at least two flow path zones capable of compressing the molten steel flow, and to deliver the molten steel from the distribution zone into the mold with flow turbulence inhibited.

Abstract: Disclosed is an immersion nozzle, which comprises a vertically-extending pipe-shaped straight nozzle body 10 adapted to allow molten steel to pass downwardly from an inlet port 9 provided at an upper end thereof, and a pair of discharge portions each including a respective one of a pair of outlet ports 12 provided in a lower portion of the straight nozzle body 10 in a bilaterally symmetrical arrangement and adapted to discharge molten steel laterally from a lateral side of the straight nozzle body. Each of the discharge portions has an inner surface defining the outlet port 12 and extending parallel to an axis of the outlet port 12 to define a length of the discharge portion at 45 mm or more. A ratio of S1/S2 is in the range of 0.8 to 1.

Abstract: A fill tube assembly is for a casting mold. The fill tube assembly includes a fill tube having a tubular member with a receiving end, a mold-engaging end and an intermediate portion. The mold-engaging end has a tapered flange radially extending therefrom, the remainder of the tubular member has a substantially uniform cross-section. A clamping assembly is structured to maintain a substantially leakproof seal at the fill tube, casting mold interface while accommodating dimensional variations. The clamping assembly includes a gasket, a load ring, a clamping plate and a pre-load gap between the clamping plate and the casting mold and optionally includes a dimensional compensating ring. When tightened, the clamping plate biases the load ring against the flange thereby distributing a uniform load against the casting mold, compressing the gasket therebetween while narrowing the pre-load gap to accommodate dimensional variations. A method of use is also disclosed.

Abstract: Disclosed is a continuous casting nozzle having a refractory portion formed to contain a dolomite clinker and arranged to define a surface region adapted to be in contact with molten steel, which is capable of protecting a working surface of the nozzle from alumina build-up due to alumina in molten steel, while improving corrosion resistance, even during long-term continuous casting of molten steel. The refractory portion is prepared by adding a binder to a mixed material and subjecting the obtained mixture to kneading, forming and heat treatment. The mixed material comprises a dolomite clinker which has an average particle size of 0.8 mm or less and a CaO content of 50 mass % or less. The mixed material has a ratio W1/W2 of 0.33 or more, wherein W1 is a content by mass of CaO, and W2 is a content by mass of MgO. The mixed material comprises a dolomite clinker and a magnesia clinker. Alternatively, the mixed material comprises a dolomite clinker and a magnesia clinker.

Abstract: The present invention concerns a submerged entry nozzle for use in the continuous casting of liquid metal. The nozzle comprises a central bore and a plurality of pairs of discharge outlets. The cross-sectional area of the central bore decreases between pairs of discharge outlets, such that ratio of height to width of any outlet is one or less.

Abstract: Distributor for use in a method of casting molten metal into a metal ingot, comprising a bottom and a wall of a generally rectangular shape, the wall including a first and a second longitudinal wall portion and a first and a second cross wall portion. The bottom has an entry area at which in use the hot metal is fed into the distributor and at least one bottom aperture. The first and second cross wall portion have a first front aperture and a second front aperture respectively. The distributor further has a first and a second deflector plate. The first deflector plate extends between the bottom aperture and the first longitudinal wall portion and the second deflector plate extends between the bottom aperture and the second longitudinal wall portion. The bottom and the wall are made of a rigid material.

Abstract: A partial SEN capable of having flow diverter parts installed therein, and a method of using the SEN in a continuous casting system are disclosed. The partial SEN includes a hollow distribution zone at a bottom portion of the SEN which is designed to allow the installation of at least two different types of flow diverter parts, one type of flow diverter parts for a first type of caster mold, and a second type of flow diverter parts for a second type of caster mold. The design of the flow diverter parts and the resulting angles achieved when the flow diverter parts are installed in the partial SEN are matched to a caster mold such that the flow characteristics of molten steel exiting the SEN into the caster mold during continuous casting operation are of a desired and optimal nature to prevent various types of casting defects.

Abstract: A fill tube assembly is for a casting mold. The fill tube assembly includes a fill tube having a tubular member with a receiving end, a mold-engaging end and an intermediate portion. The mold-engaging end has a tapered flange radially extending therefrom, the remainder of the tubular-member has a substantially uniform cross-section. A clamping assembly is structured to maintain a substantially leak-proof seal at the fill tube, casting mold interface while accommodating dimensional variations. The clamping assembly includes a gasket, a load ring, a clamping plate and a pre-load gap between the clamping plate and the casting mold and optionally includes a dimensional compensating ring. When tightened, the clamping plate biases the load ring against the flange thereby distributing a uniform load against the casting mold, compressing the gasket therebetween while narrowing the pre-load gap to accommodate dimensional variations. A method of use is also disclosed.

Abstract: A partial SEN capable of having flow diverter parts installed therein, and a method of using the SEN in a continuous casting system are disclosed. The partial SEN includes a hollow distribution zone at a bottom portion of the SEN which is designed to allow the installation of at least two different types of flow diverter parts, one type of flow diverter parts for a first type of caster mold, and a second type of flow diverter parts for a second type of caster mold. The design of the flow diverter parts and the resulting angles achieved when the flow diverter parts are installed in the partial SEN are matched to a caster mold such that the flow characteristics of molten steel exiting the SEN into the caster mold during continuous casting operation are of a desired and optimal nature to prevent various types of casting defects.

Abstract: A device for discharging molten metal from a container to another, comprising an outlet sleeve which penetrates into the lower container pushed by springs against a nozzle of refractory material which connects the inside of the upper container with the outside, so as to make a seal for the molten metal. The outlet sleeve is surrounded by a cylindrical sheath which joins, through a sand joint with a cylindrical blade fixed to the base of the upper container, around the aperture where it faces the nozzle. The sheath and the blade enclose a volume into which an inert gas is injected to remove the air possibly present.

Abstract: An discharging device for molten metal between an upper ladle (1) and a tundish (3) comprising a slide valve nozzle fixed to the base of the ladle, comprising an upper fixed nozzle (42) and a mobile one below (43), inserted into an opening in the base of said slide valve nozzle with the lower end protruding from it, and a ring shaped blade (46) fixed to the base of the slide valve nozzle around said aperture. The tundish (3) comprises a cylindrical jacket (22) placed with a vertical axis and fitted at its end with a sand joint (24) for sealing gas into which the ring shaped blade is sunk (46). The slide valve nozzle can be fixed to the base of the ladle by mountings (48, 49) fitted with eyelets into which pivots (50) are inserted.

Abstract: A nozzle for continuous casting of clean steel is capable of preventing adhesion of Al2O3-based inclusions to a wall surface of the inner hole of the nozzle while fully achieving an effect of a swirl vane. The swirl vane prevents drift in molten steel passing through the inner hole. The swirl vane is disposed in the inner hole. A wall surface is at least partly formed as a tubular-shaped refractory layer and is prepared by controlling a weight ratio of CaO/MgO and an apparent porosity to have a thickness of 3 to 20 mm, so as to prevent adhesion of Al2O3-based inclusions to the wall surface and the swirl vane while effectively maintaining the anti-drift effect for long hours. Further, inert gas is injected into a molten steel flow between an upper nozzle and the swirl vane to facilitate surfacing of Al2O3-based inclusions in a mold and reduce Al2O3-based inclusions in molten steel so as to achieve stable casting operation and high-quality steel with high cleanness.

Abstract: The present invention concerns an element for the casting of a liquid metal, comprising a base body made from a refractory material, said body comprising an outer surface and an inner surface defining a pouring channel for the casting of the liquid metal. This element is characterized in that at least a part of the element inner surface is coated with an insulating coating forming, at the metal liquid contact, a gas impermeable layer. Such an element has an excellent thermal shock resistance which permits its use without preheating. Then a layer reducing advantageously the gas permeability is formed.

Abstract: A bonding structure between a nozzle body of a continuous casting nozzle and a refractory sleeve inserted into the nozzle body, wherein the refractory sleeve contains 20 mass % or more of CaO. An adhesive including a mixture of a refractory aggregate and a binder is applied to a joint zone defined in either one of at least a portion of the outer peripheral surface of the refractory sleeve and at least a portion of the inner surface of the hollowed nozzle to which the refractory sleeve is attached, or between the inner surface of the nozzle body and the outer peripheral surface of the refractory sleeve inserted into the nozzle body. The adhesive is adjusted to have a porosity in the range of 15 to 90% after dried in the joint zone.

Abstract: An arrangement and conformation of the discharge openings and channels of a continuous-casting nozzle, together with a specific external profile of the body of the nozzle itself, enable slabs of any thickness, in particular from medium to thin ones, to be cast, which have excellent surface quality and are practically free from inclusions and blowholes.

Abstract: A partial SEN capable of having flow diverter parts installed therein, and a method of using the SEN in a continuous casting system are disclosed. The partial SEN includes a hollow distribution zone at a bottom portion of the SEN which is designed to allow the installation of at least two different types of flow diverter parts, one type of flow diverter parts for a first type of caster mold, and a second type of flow diverter parts for a second type of caster mold. The design of the flow diverter parts and the resulting angles achieved when the flow diverter parts are installed in the partial SEN are matched to a caster mold such that the flow characteristics of molten steel exiting the SEN into the caster mold during continuous casting operation are of a desired and optimal nature to prevent various types of casting defects.