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WO2023012207A1 - Système de changement pour ensemble panier de coulée, ensemble panier de coulée pour système de changement, installation d'atomisation et procédé d'atomisation de métal en fusion - Google Patents

Système de changement pour ensemble panier de coulée, ensemble panier de coulée pour système de changement, installation d'atomisation et procédé d'atomisation de métal en fusion Download PDF

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Publication number
WO2023012207A1
WO2023012207A1 PCT/EP2022/071787 EP2022071787W WO2023012207A1 WO 2023012207 A1 WO2023012207 A1 WO 2023012207A1 EP 2022071787 W EP2022071787 W EP 2022071787W WO 2023012207 A1 WO2023012207 A1 WO 2023012207A1
Authority
WO
WIPO (PCT)
Prior art keywords
tundish
unit
changing
changing system
atomization
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.)
Ceased
Application number
PCT/EP2022/071787
Other languages
German (de)
English (en)
Inventor
Peter Weiland
Karsten Richter
Lukas GELLINGS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Group GmbH
Original Assignee
SMS Group GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SMS Group GmbH filed Critical SMS Group GmbH
Priority to US18/681,663 priority Critical patent/US20240351103A1/en
Priority to KR1020247006097A priority patent/KR20240039159A/ko
Priority to JP2024506890A priority patent/JP7748536B2/ja
Priority to ES22761976T priority patent/ES3012549T3/es
Priority to EP22761976.4A priority patent/EP4380742B1/fr
Publication of WO2023012207A1 publication Critical patent/WO2023012207A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B22D23/003—Moulding by spraying metal on a surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B22F2009/0892—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid casting nozzle; controlling metal stream in or after the casting nozzle

Definitions

  • tundish unit for a change system
  • the invention relates to an exchange system for a tundish unit of an atomization plant for atomizing metal melts for powder metallurgy purposes.
  • the invention also relates to a tundish unit for such an exchange system, an atomizing system and a method for atomizing molten metal.
  • An atomization system or powder atomization system is a system that produces powder from liquid metal with the aid of atomization in a protective gas atmosphere. This powder is then separated from the gas and post-treated.
  • a device for producing metal powder is known from DE 41 29 991 C1.
  • the known device has a storage container for the molten starting material, at least one exchangeable casting funnel, at least one atomization system and at least one chute arranged underneath for the solidification of the metal powder produced.
  • a chamber enclosing the reservoir and the pouring funnel is arranged on the chute.
  • the chamber has a closable lateral opening in the area of the pouring funnel, to which a lock chamber for the insertion of at least one pouring funnel is attached.
  • a carriage Arranged on guide rails is a carriage that can be optionally moved into the chamber and completely retracted into the lock chamber, on the underside of which a number of atomizing nozzles corresponding to the number of pouring funnels are fastened.
  • the casting funnels can be placed on the carriage from above.
  • the chute is provided with a coupling device which establishes a gas-tight connection between the chute and the atomization system after the coaxial assembly consisting of the pouring funnel and the atomizing nozzle has been positioned over the chute.
  • the pouring funnel should be exchangeable in a simple manner without venting the remaining part of the device and, moreover, an exact positioning of the pouring funnel and atomizing nozzle should be possible.
  • the pouring nozzles and/or pouring funnels need to be replaced from time to time for reasons of wear. If, as in the case of the method according to DE 41 29 991 C1, a redundant casting funnel is provided, the atomization process must be interrupted after a relatively short time in order to introduce further atomization units into the system. The operation of the atomization system can only be resumed when at least one of the atomization units has reached operating temperature again under a protective gas atmosphere.
  • the invention is therefore based on the object of providing a changing system of the type mentioned at the outset, which enables quasi-continuous operation of a production plant.
  • the object is achieved with a changing system having the features of claim 1. Advantageous configurations of the changing system result from the relevant dependent claims.
  • the object is further achieved by providing a tundish unit according to claim 14 for use with a changing system according to the invention.
  • the object is finally achieved by providing an atomizing system with an exchange system and several tundish units according to the invention and by providing a method for atomizing with the features of claim 23.
  • the exchange system according to the invention makes it possible to provide molten metal to form a metal powder in a quasi-continuous process.
  • a changing system for a tundish unit of an atomizing plant for atomizing metal melts, in particular for powder metallurgy purposes comprising at least one chamber for accommodating at least a first tundish unit in a working position, the chamber at least one connection to a charging device, preferably in the form of a casting device and at least one connection to an atomization tower or an atomization shaft, the changing system also having means for providing at least a second tundish unit in a ready position within the changing system and at least one changing station designed as a lock chamber for receiving and/or bringing in and/or removing at least one third tundish unit and a displacement system which is designed in such a way that the bringing in and/or removing at least one Tu ndish unit can be done while a tundish unit is in the operative position.
  • the tundish unit or atomization unit located in the working position can be continuously filled with liquid metal.
  • the invention provides for organizing several tundish units in an exchange system.
  • at least three, but preferably four, tundish units are provided in the changing system.
  • the pouring of the melt into the tundish unit and the operation of the tundish unit takes place in a protective gas atmosphere.
  • the exchange system comprises at least one exchange station designed as a lock chamber for receiving and/or bringing in and/or removing at least one tundish unit.
  • the displacement system of the changing system according to the invention is preferably designed in such a way that at least one tundish unit can be introduced and/or removed while a second and/or further tundish unit is in a ready position.
  • the at least one changing station can be connected to the chamber via a lateral opening, for example.
  • Both the changing station and the chamber can preferably be evacuated and flooded with inert gas or protective gas.
  • the changing system has a large number of changing stations, which each adjoin the chamber at the side and of which at least one, preferably all, are designed as lock chambers.
  • a total of four changing stations are provided, each of which is connected laterally to the chamber arranged approximately in the middle.
  • the changing stations can, for example, form a displacement cross with the chamber.
  • Each changing station preferably forms a kind of cloister, which extends radially from the center of the chamber.
  • a tundish unit can be arranged in the working position.
  • a tundish unit can be preheated in the ready position in two changing stations, whereas a tundish unit can be exchanged in a changing station.
  • the changing system comprises a turntable arranged in the chamber and accommodating a plurality of tundish units. These tundish units can be rotated from one operative position to a number of standby positions.
  • the position of a tundish unit on the turntable can be assigned at least one media coupling, which can be connected to a complementarily designed media coupling of a tundish unit.
  • a media supply for electricity, cooling water, inert gas, etc. is preferably connected to the media coupling.
  • At least one media coupling can be provided in each changing station, which media coupling can be connected to a complementarily designed media coupling of a Tundish unit.
  • At least one changing station is expediently designed so that it can be evacuated.
  • At least one changing station can be connected to the chamber via at least one vacuum slide or can be separated from the chamber via the vacuum slide.
  • all changing stations can be shut off and evacuated in a gas-tight manner with respect to the chamber. This makes it possible to flood the changing station with air relatively quickly before removing a tundish unit.
  • connections to the charging device and to the atomization tower or the atomization shaft are preferably designed as vacuum slides.
  • a vacuum induction casting device for example, can be provided as the loading device, to which the changing system can be connected in a gas-tight manner.
  • At least one of the changing stations is preferably designed as a heating station for preheating at least one tundish unit.
  • the displacement system according to the invention can comprise linear guides on or at which the tundish units are arranged to be movable.
  • guide rails can be provided as linear guides, which can be designed as sliding guides or for receiving mobile underframes of the tundish units.
  • the subject matter of the invention is also a tundish unit for use with an exchange system of the type described above, which comprises a tundish vessel which accommodates a pouring cone and a pouring nozzle, with means for heating and/or cooling the pouring cone and/or the pouring nozzle as well with at least one media coupling, which is designed to be complementary to at least one media coupling of the changing system.
  • the tundish unit may have skids or at least one slideway in the underside of a nozzle plate.
  • the tundish unit can have a mobile underframe that is designed to complement the displacement system of the changing system.
  • the tundish container can be displaced vertically relative to the subframe in order to have a vacuum-tight connection to the atomization process space, for example to an atomization tower or to an atomization shaft, when the tundish unit is in the working position to manufacture.
  • This reliably prevents interfering gas from entering the atomization shaft process space.
  • the vertical displaceability of the tundish vessel relative to the base causes engagement and disengagement of the seal.
  • the tundish unit can be raised and lowered via inert gas operated pneumatic cylinders within the shifting system. In order to ensure the tightness between the nozzle plate and the atomization shaft slide, the tundish unit is lowered in the working position.
  • the tundish unit is resiliently mounted on a subframe in such a way that it interacts with a hold-down device of the changing system in the working position.
  • the relevant station in the chamber can be equipped with a hold-down device operated by a cylinder.
  • the tundish assembly is then pushed onto the atomization stack slide by the hold-down. Thanks to the spring-loaded mounting of the tundish unit, it can automatically detach itself from the atomization shaft slide when the hold-down device is lifted.
  • the tundish unit can have at least one sliding guide that interacts with corresponding guide means of the displacement system.
  • the tundish unit preferably comprises at least one sealing means on the underside of a nozzle plate of the pouring nozzle which interacts with a sealing surface of an atomization shaft slide.
  • the sealant can be designed, for example, as a sliding seal or a friction seal.
  • an incline of the displacement system or a linear guide can be provided, so that the tundish unit sits on the sealing surface of the atomization shaft slide via this incline when positioning by its own weight.
  • an atomizing system with an exchange system and several tundish units of the type described above is provided.
  • the atomization system can comprise at least one first atomization tower, which can be connected in a gas-tight manner to a connection of the chamber of the exchange system.
  • the atomization system comprises at least one second atomization tower, the exchange system being optionally connectable to the first or second atomization tower.
  • a further aspect of the invention relates to a method for atomizing molten metal to form a metal powder in an atomizing plant with a changing system for several tundish units, the method involving the feeding of molten metal from a vacuum induction casting device as a feed device into a first tundish unit in a working position within the changing system and the atomizing of the melt through a casting nozzle of the tundish unit into an atomization tower or atomization shaft arranged underneath, while at least a second tundish unit is preheated in a standby position and at least a third tundish unit is removed from the changing system or incorporated into it.
  • the method expediently comprises the use of an exchange system of the type described above and preferably the use of at least one tundish unit of the type described above.
  • the liquid level can be detected by means of a laser distance measurement.
  • FIG. 1 shows a perspective view of an atomization system according to the invention
  • Figure 2 is a perspective view of a first embodiment of the changing system according to the invention.
  • Figure 3 is a perspective view of a second embodiment of the changing system according to the invention.
  • FIG. 4 shows a plan view of the changing system according to FIG. 2,
  • FIG. 5 shows a sectional view through the changing system according to FIG. 4,
  • FIG. 6 shows a plan view of the changing system according to FIG. 3 and
  • Figure 7 is a sectional view through a tundish unit according to the invention.
  • the atomization system 1 shown in FIG. 1 comprises a changing system 2 which is arranged below a casting device, which is not shown.
  • the exchange system 2 is connected in a vacuum-tight manner to an atomization tower 3, in which liquid metal is atomized into metal powder for powder metallurgy purposes.
  • the atomization takes place under an inert gas atmosphere.
  • the powder is then separated from the gas and post-treated. The separation takes place via a cyclone stage 4 and a downstream filter system 5.
  • the deposited Metal powder is collected in various powder containers 6 and then supplied for further use.
  • the liquid metal is atomized using a tundish unit 7, shown for example in FIG.
  • the pouring funnel 8 forms an intermediate container for the molten metal, which is continuously fed from the pouring device, not shown, above the changing system 2 to a tundish unit 7 .
  • the liquid level inside the pouring funnel 8 is recorded by means of a laser and/or ultrasound.
  • the control of a stopper rod of the pouring device is provided.
  • the tundish unit 7 comprises a tundish vessel 10 with a refractory lining 11 enclosing the sprue 8 .
  • the pouring funnel 8 opens into the pouring nozzle 9 which is arranged in a nozzle plate 12 . In the illustration according to FIG. 7, the casting nozzle 9 protrudes downwards over the nozzle plate 12.
  • the pouring nozzle 9 can also fit completely into the nozzle plate 12, which may be necessary with regard to sealing against a vacuum slide flange.
  • a graphite heater is provided within the refractory lining 11 of the tundish vessel 10 , the resistance heating elements 13 of which are embedded in the refractory lining 11 .
  • the casting nozzle 9 is also partially surrounded by a refractory lining 11, in which resistance heating elements 13 are also embedded, which cause nozzle heating.
  • the tundish unit 7 includes a gas nozzle 28 which is connected to an inert gas supply 14 on both sides. The molten metal emerging from the casting nozzle 9 is atomized into a powder by means of the inert gas supplied via the gas nozzle 28 in the atomization tower 3 of the atomization system 1 .
  • the tundish container 10 comprises a mobile underframe, which is only shown in outline in the drawing.
  • the wheels 15 of the tundish container 10 can be used to move it on rails 16 of the changing system 2 .
  • the tundish vessel 10 further includes an annular space 17, which can be charged with cooling water and forms a cooling jacket, via which the pouring funnel 8 can be cooled if necessary.
  • the cooling jacket prevents undesirable co-heating of the process space
  • FIG. 2 shows a first exemplary embodiment of the changing system 2 according to the invention.
  • the exchange system 2 comprises a vacuum-tight sealable chamber 18 which has an upper connection 19 to a casting device and a lower connection 20 to the atomization tower 3 . Both the upper connection 19 and the lower connection 20 can be closed using a vacuum slide 21 .
  • the upper connection 19 or the relevant vacuum slide 21 is provided with a retractable bellows visor, which can be coupled to a compensator or bellows on the casting device or a holding furnace of the casting device.
  • the vacuum slide 21 of the lower connection 20 is designed as an atomization shaft slide, which also includes a retractable bellows visor.
  • the changing system 2 comprises four changing stations 22 which are each designed as lock chambers and are connected to side openings of the chamber 18 .
  • the changing stations 22 can be shut off in a vacuum-tight or gas-tight manner relative to the chamber 18 via changing slides 23 .
  • the changing stations 22, which can be completely evacuated and have appropriate connections to a vacuum system, are accessible via removable covers 24.
  • the covers 24 can be tightly closed on corresponding openings 25 on the changing stations 22 .
  • the changing stations 22 are arranged crosswise relative to the chamber 18, which has a circular cross-section in the exemplary embodiment described, so that each changing station 22 extends at an angular distance of 90° relative to the adjacent changing station 22 on the circumference of the chamber 18.
  • rails 16 extend through the changing stations 22 and the chamber 18 (see, for example, FIG. 4) on which the tundish units 7 arranged within the changing system 2 can be moved.
  • the tundish units 7 are introduced via a crane (not shown) through the openings 25 into the changing stations 22, which are also designed as heating stations for preheating the tundish units 7 and are each equipped with appropriate media couplings.
  • the changing stations 22 are equipped with changeable refractory radiation shields over the entire length.
  • the changing stations 22 can each be evacuated separately using vacuum pumps and can be flooded either with inert gas (argon or nitrogen) or with air.
  • the number of changing stations 22 results from the required heating time of the refractory lining 11 of the tundish container 7 to a temperature between 1700 and 1800°C. Above a temperature of approx. 300° C., the tundish units 7 can only be heated under inert gas, since otherwise the graphite of the tundish container heating would burn.
  • the tundish units 7 are supplied with energy and media by means of high-pressure hoses for inert gas.
  • the power supply and thermocouple lines are wired. Cooling water is supplied by means of hoses.
  • the tee and dish unit 7 arranged in the chamber 18 in FIG. 2 is in an operating position in which the vacuum valves 21 of the upper and lower connections 19, 20 are open.
  • a tundish unit 7 is in a changing position.
  • the graphite heater of the tundish unit 7 was cooled down to temperatures below 300 °C using inert gas.
  • the exchange slide 23 to the relevant exchange station 22 is closed.
  • the changing station 22 Before the cover 24 of the relevant changing station 22 can be opened (in the figure, the changing station 22 is already shown in the open state), the changing station 22 is evacuated and flooded with air. After the change process, the cover 24 is closed again, it is evacuated, flooded with inert gas and a temperature-controlled heating process is started. At least two tundish units 7 are each in a warming position in the other changing stations 22. The heating process is temperature-controlled. As already mentioned above, a tundish unit 7 is in the working position, ie in the atomizing position.
  • FIG. 3 shows a second exemplary embodiment according to the invention. Identical components are provided with the same reference symbols.
  • the changing system 2 according to the second exemplary embodiment comprises a chamber 18 and a changing station 22 connected via a lateral opening, which can also be separated from the chamber 18 with a changing slide 23 .
  • the changing station 22 is designed in accordance with the changing stations according to the first exemplary embodiment.
  • the exemplary embodiment according to FIG. 3 differs from that according to FIG. 2 in that a turntable 26 is arranged in the chamber 18, on which a large number of tundish units 7, four tundish units in the exemplary embodiment described, are arranged.
  • the lower port 20 of chamber 18 is off-center.
  • the turntable 26 can be adjusted about an axis of rotation in such a way that the tundish unit 7 in the working position can be changed to a standby position, with another tundish unit 7 arranged on the turntable 26 being brought into the working position.
  • the exchange slide 23 is opened, the tundish unit 7 in the working position is moved into the exchange station 22 via the rails 16, not shown in Figure 3, and a tundish unit 7 in a ready position is moved into the move working position.
  • the graphite heater is cooled down by means of inert gas, specifically to temperatures below 300°C.
  • the changeover slide 23 is closed to the chamber 18 .
  • the changing station 22 is evacuated and flooded with air.
  • the cover 24 is closed, the exchange station 22 is evacuated and flooded with inert gas.
  • the temperature-controlled heating process of the tundish unit 7 is started.
  • the shuttle 23 is opened.
  • the tundish unit 7 used is positioned linearly on a free space on the turntable 26 .
  • the tundish unit 7 is coupled to a media supply by means of a docking station 27 on the turntable 26, which is only indicated in outline.
  • a docking station 27 is assigned to each position on the turntable 26 .
  • the tundish units 7 are supplied with media via the docking stations 27 .
  • At least two tundish units 7 are in a ready position on the turntable 26 in which heating and/or keeping warm to 1700° C. to 1800° C. takes place.
  • the exchange slide 23 is normally in the closed state; it is only opened when a tundish unit 7 is removed and loaded in order to establish pressure equalization.
  • Such a seal can take place by means of appropriate sliding seals or friction seals between the nozzle plate on the one hand and a sealing surface of the vacuum slide 21 on the other.
  • the tundish unit 7 can be displaced vertically and can be lowered into a working position, so that a sealant on the nozzle plate and/or on the atomization slide flange can be brought into engagement with one another.
  • the tundish unit 7 can, for example, be raised and lowered within the rail system by means of pneumatic cylinders operated by inert gas. To the tightness between the nozzle plate 12 and the vacuum slide
  • the tundish unit 7 is set down during positioning.
  • An alternative embodiment of the tundish unit 7 provides that the tundish unit 7 is spring-mounted on wheels and is held in a sealed position in the working position by a hold-down device (not shown).
  • the hold-down device presses the nozzle plate 12 onto a flange of the vacuum slide 21.
  • the tundish unit 7 can detach itself from the vacuum slide 21 automatically.
  • the atomization system 1 can have several atomization towers 3 .
  • the changing system 2 can be optionally connected to one or the other atomization tower 3 .
  • the atomization towers 3 are water-cooled. These can also be equipped with electrical water preheating.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Abstract

L'invention concerne un système de changement (2) destiné à un ensemble panier de coulée (7) d'une installation d'atomisation (1) permettant d'atomiser des masses fondues métalliques, plus particulièrement à des fins de métallurgie des poudres, le système comprenant : au moins une chambre (18) destinée à maintenir au moins un premier ensemble panier de coulée (7) dans une position de travail, la chambre (18) comportant au moins un raccordement à un dispositif d'alimentation et au moins un raccordement à une tour d'atomisation (3) ou à un arbre d'atomisation ; des moyens permettant de fournir au moins un deuxième ensemble panier de coulée (7) dans une position en attente à l'intérieur du système de changement (2) ; au moins une station de changement (22) destinée au maintien et/ou à l'insertion et/ou au retrait d'au moins un troisième ensemble panier de coulée (7), la station de changement prenant la forme d'une chambre de verrouillage ; et un système de coulissement, conçu de sorte que l'insertion et/ou le retrait d'au moins un ensemble panier de coulée (7) puissent être effectués pendant qu'un ensemble panier de coulée (7) est en position de travail. L'invention concerne également un ensemble panier de coulée (7), une installation d'atomisation (1) et un procédé d'atomisation de métal en fusion.
PCT/EP2022/071787 2021-08-06 2022-08-03 Système de changement pour ensemble panier de coulée, ensemble panier de coulée pour système de changement, installation d'atomisation et procédé d'atomisation de métal en fusion Ceased WO2023012207A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US18/681,663 US20240351103A1 (en) 2021-08-06 2022-08-03 Changing system for a tundish unit, tundish unit for a changing system, atomization installation and method for atomizing metal melt
KR1020247006097A KR20240039159A (ko) 2021-08-06 2022-08-03 턴디쉬 유닛용 변경 시스템, 변경 시스템용 턴디쉬 유닛, 분무화 설비 및 금속 용융물 분무화 방법
JP2024506890A JP7748536B2 (ja) 2021-08-06 2022-08-03 タンディッシュユニットのための交換システム、交換システムのためのタンディッシュユニット、霧化設備、並びに、金属溶融物の霧化のための方法
ES22761976T ES3012549T3 (en) 2021-08-06 2022-08-03 Changing system for a tundish unit, tundish unit for a changing system, atomization installation and method for atomizing metal melt
EP22761976.4A EP4380742B1 (fr) 2021-08-06 2022-08-03 Système de changement pour ensemble panier de coulée, ensemble panier de coulée pour système de changement, installation d'atomisation et procédé d'atomisation de métal en fusion

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021208605.5 2021-08-06
DE102021208605.5A DE102021208605A1 (de) 2021-08-06 2021-08-06 Wechselsystem für eine Tundish-Einheit, Tundish-Einheit für ein Wechselsystem, Verdüsungsanlage sowie Verfahren zum Verdüsen von Metallschmelze

Publications (1)

Publication Number Publication Date
WO2023012207A1 true WO2023012207A1 (fr) 2023-02-09

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PCT/EP2022/071787 Ceased WO2023012207A1 (fr) 2021-08-06 2022-08-03 Système de changement pour ensemble panier de coulée, ensemble panier de coulée pour système de changement, installation d'atomisation et procédé d'atomisation de métal en fusion

Country Status (7)

Country Link
US (1) US20240351103A1 (fr)
EP (1) EP4380742B1 (fr)
JP (1) JP7748536B2 (fr)
KR (1) KR20240039159A (fr)
DE (1) DE102021208605A1 (fr)
ES (1) ES3012549T3 (fr)
WO (1) WO2023012207A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021212367A1 (de) * 2021-11-03 2023-05-04 Sms Group Gmbh Verdüsungs-Einheit zum Verdüsen von metallenen Schmelzen, insbesondere für pulvermetallurgische Zwecke

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365944A (en) * 1980-06-30 1982-12-28 Leybold Heraeus Gmbh Plant with a tundish for producing metal powder
DE3311343A1 (de) 1983-03-29 1984-10-04 Bayer Ag, 5090 Leverkusen Metallpulver und verfahren zu dessen herstellung
DE4129991C1 (fr) 1991-09-10 1992-10-29 Leybold Ag, 6450 Hanau, De
DE19738682A1 (de) 1997-09-04 1999-03-11 Ald Vacuum Techn Gmbh Schmelzbehälter
DE10044364C1 (de) 2000-09-08 2002-01-17 Ald Vacuum Techn Ag Zerstäubungsaggregat zum Zerstäuben von Schmelzen
WO2018189708A1 (fr) 2017-04-13 2018-10-18 Tenova S.P.A. Procédé de production de poudres métalliques par atomisation de gaz et usine de production de poudres métalliques selon un tel procédé
CN109641276A (zh) 2018-11-16 2019-04-16 青岛云路先进材料技术股份有限公司 雾化制粉设备及雾化制粉方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3533964C1 (de) 1985-09-24 1987-01-15 Alfred Prof Dipl-Ing Dr-I Walz Verfahren und Vorrichtung zum Herstellen von Feinstpulver in Kugelform
DE4011392B4 (de) 1990-04-09 2004-04-15 Ald Vacuum Technologies Ag Verfahren und Vorrichtung zur Formung eines Gießstrahls
KR101684382B1 (ko) * 2012-06-18 2016-12-08 제이에프이 스틸 가부시키가이샤 고청정도 강 주편의 제조 방법 및 턴디시
CN106077685B (zh) 2016-08-25 2018-06-01 湖南久泰冶金科技有限公司 一种真空熔炼气雾化制粉设备

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365944A (en) * 1980-06-30 1982-12-28 Leybold Heraeus Gmbh Plant with a tundish for producing metal powder
DE3311343A1 (de) 1983-03-29 1984-10-04 Bayer Ag, 5090 Leverkusen Metallpulver und verfahren zu dessen herstellung
DE4129991C1 (fr) 1991-09-10 1992-10-29 Leybold Ag, 6450 Hanau, De
DE19738682A1 (de) 1997-09-04 1999-03-11 Ald Vacuum Techn Gmbh Schmelzbehälter
DE10044364C1 (de) 2000-09-08 2002-01-17 Ald Vacuum Techn Ag Zerstäubungsaggregat zum Zerstäuben von Schmelzen
WO2018189708A1 (fr) 2017-04-13 2018-10-18 Tenova S.P.A. Procédé de production de poudres métalliques par atomisation de gaz et usine de production de poudres métalliques selon un tel procédé
CN109641276A (zh) 2018-11-16 2019-04-16 青岛云路先进材料技术股份有限公司 雾化制粉设备及雾化制粉方法

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