CN108138259A - Molten metal and powder addition and hybrid system and Metal Production system - Google Patents
Molten metal and powder addition and hybrid system and Metal Production system Download PDFInfo
- Publication number
- CN108138259A CN108138259A CN201680034109.4A CN201680034109A CN108138259A CN 108138259 A CN108138259 A CN 108138259A CN 201680034109 A CN201680034109 A CN 201680034109A CN 108138259 A CN108138259 A CN 108138259A
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- Prior art keywords
- molten metal
- mixing chamber
- powder
- entrance
- inlet
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
- C22B9/103—Methods of introduction of solid or liquid refining or fluxing agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/57—Mixing high-viscosity liquids with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/70—Spray-mixers, e.g. for mixing intersecting sheets of material
- B01F25/72—Spray-mixers, e.g. for mixing intersecting sheets of material with nozzles
- B01F25/721—Spray-mixers, e.g. for mixing intersecting sheets of material with nozzles for spraying a fluid on falling particles or on a liquid curtain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/50—Mixing receptacles
- B01F35/53—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/062—Obtaining aluminium refining using salt or fluxing agents
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
- C22B9/106—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents the refining being obtained by intimately mixing the molten metal with a molten salt or slag
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
It is used to powder being added to molten metal and for the powder to be mixed into the system in the molten metal the present invention relates to a kind of.The system includes powder tank and has the mixing chamber (4) of variation cross section in the flowing direction.The mixing chamber includes powdering inlet, molten metal entrance, is provided between mixing chamber (4) and fusion pot (5) for the outlet (14) for the flow path of mixture being made of molten metal and powder.At least one deflector and entrance relative positioning.Powder is directed in mixing chamber (4) between flow path of the powder tank (1) between powdering inlet.In addition, the present invention relates to a kind of system for producing aluminium, which includes limiting the fusion pot (5) of fusion pot chamber and fusion pot lid (7) and delivery pipe (8).The system includes：Powder tank (1)；Positioned at the mixing chamber (4) of fusion pot intracavitary, which provides including powdering inlet, molten metal entrance, between mixing chamber (4) and fusion pot (5) for the outlet (14) for the flow path of mixture being made of molten metal and powder.At least one deflector is opposite with entrance.Powder is directed in mixing chamber (4) between flow path of the powder tank (1) between powdering inlet.
Description
Technical field
The present invention relates to a kind of for the equipment of addition and mixed-powder in the molten metal.In particular it relates to
Aluminum fluoride is added to molten aluminum, to remove sodium and add alloying element.
Background technology
In general, fluoride powder (AlF3) is added in molten aluminum in smeltery or Foundry Works and makes the fluoride powder
End is mixed with molten aluminum removes sodium from molten aluminum.Motor-driven rotor in the bath (bath) of molten aluminum pushes away
It is normally used for being evenly distributed these powder into device.
Mixing and sodium, which remove technique, to be time-consuming and is device intensity, and exist and impurity is stirred in bath
Risk.When using motor-driven rotor, it is necessary to using energy with temperature is maintained at higher level and continue one timing
Between, to allow to have the sufficiently long time to implement the hybrid technique and for driving the motor, so as to improve total energy consumption.
These problems are equally associated when adding alloying element.
Other conventional solutions include powder being added to molten metal, and in the situation together with propelling gas
Under, mixing can be by allowing powder and gas to float realized by the metal upwards.The gas is usually argon gas.In this germline
In system, molten metal is exposed to, and the blocking of nozzle is to utilize the solution institute for the inlet nozzle of gas and powder
A problem except existing some problem.
Invention content
The present invention relates to a kind of molten metal according to appended claims and powder addition and hybrid system and
One kind is used to give birth to metalliferous system.These systems of the present invention can reduce energy consumption, it is possible to provide with a small amount of moving parts or not
Reliable system with moving parts can improve the distribution of powder in the molten metal, it is possible to provide be not rely on propelling gas
Solution, and the required time that molten metal is in fusion pot can be shortened.In the system of the present invention, powder is in place
It is suitably distributed in melt substance in the early stage before fusion pot, thus reduces the time that mixture is located in fusion pot
It is required that.Complexity is increased using propelling gas and improves cost.
Direction " on ", " under ", " top ", " lower part " in patent specification and claims etc. are intended to gravity
Direction as benchmark in the case of relative direction or position are described.Direction " flow direction " be intended to description flowing Main way with
Just by the direction with being distinguished perpendicular to the direction of flow direction and being not consider the feelings across the practical flowing of the system
The direction limited under condition.Thereby eliminate that mixing chamber is pipeline along the cross section of the variation of the flow direction of mixing chamber one
Point.
In particular it relates to a kind of molten metal and powder addition and hybrid system.The system includes：Powder
Tank；Mixing chamber, it is the cross section of variation in the flowing direction which, which has, powdering inlet, molten metal entrance, is being mixed
The metal outlet of the flow path of mixture for being made of molten metal and powder is provided between room and fusion pot and with entering
The opposite at least one deflector of mouth.Flow path extends between powder tank and powdering inlet in mixing chamber.
Powdering inlet can be located in the upper part of mixing chamber, and metal inlet can be located at the metal inlet side of mixing chamber
In portion.Outlet can be located in the bottom part of mixing chamber, and it is opposite with the metal inlet side of mixing chamber to deflect side.
Powdering inlet is usually located in " drying " part of mixing chamber, this is because the molten metal in mixing chamber is upper
Rectangular coelosis.Powdering inlet is located in the chamber, so as to enable powder by the top on the surface of the molten metal in mixing chamber
On sprayed (spread).In other words, mixing chamber will not be filled with molten metal completely in operation.
Metal inlet in mixing chamber can be located on the top of inlet side, be adjacent to powdering inlet.
Powdering inlet can by by and be arranged in " arid region " in a manner of being not exposed to molten metal.
Entrance can be horizontal or in the shallow angle close to level, and can be thereby adapted for horizontal direction or approach
The beam of molten metal is directed in mixing chamber in the shallow angle of horizontal direction.The angle contributes to being located above molten metal
Drying chamber safeguarded that the powdering inlet is located in the drying chamber.
The deflection side opposite with the inlet side of mixing chamber forms the turning unit with a profile, and the profile is at top
Small curvature is limited, is followed by slightly increased curvature, until it reaches steep curve in apex office, and then
Slow down, until reaching almost flat part in the base portion office of mixing chamber.Thus the shape of mixing chamber shows often
" the people's nose " seen and for mixed-powder and molten metal outlet across " nostril ".
Mixing chamber can be formed between holding plate and turning unit, wherein, molten metal entrance is formed in holding plate,
And at least one deflector opposite with the entrance is formed in turning unit.
Mixing chamber can have the rectangular cross section perpendicular to flow direction.
In one embodiment, holding plate can be incorporated in turning unit so that mixing chamber is formed a monomer
Structure.
Flow path between powder tank and powdering inlet may include the first shut-off valve and measuring jet.
Powdering inlet in mixing chamber may include duster.
The task of duster is to be distributed powder in powder curtain, which falls under gravity positioned at the top of mixing chamber
On the surface of the molten metal in " drying " chamber in portion region, so as to which powder is admirably distributed on molten metal surface.
Powdering inlet can be the longitudinal cut that linear and powder in a manner of straight curtain could pass through and be not exposed to molten metal
It falls.
The entrance can be formed with the inlet flange of tubulose bending, which has the attachment part for delivery pipe.
In addition, the present invention relates to a kind of systems for producing aluminium.The system includes delivery pipe, the fusion pot for limiting fusion pot chamber
With fusion pot lid.The system further includes powder tank.Mixing chamber is located at fusion pot intracavitary.The mixing chamber includes powdering inlet, molten metal
It entrance and is provided between mixing chamber and fusion pot for the gold of the flow path of mixture that is made of molten metal and powder
Belong to outlet.At least one deflector is opposite with molten metal entrance, and flow path is arranged on powder tank and is mixed with being located at
Between powdering inlet in room.
Mixing chamber is located in the intracavitary limited by fusion pot and fusion pot lid to be reduced to the heat loss from mixing chamber most
Lower bound degree.Thus mixing chamber is likewise exposed to vacuum or close to vacuum, and the leakage in mixing chamber is unchallenged.
Fusion pot lid includes at least one connector for being connected to vacuum unit.
It is above-mentioned to be added for giving birth to metalliferous system with the molten metal with any one in preceding feature and powder
It is combined with hybrid system.
Molten metal can be molten aluminum and powder can be aluminum fluoride.
Description of the drawings
Fig. 1 is through the sectional view of molten metal and the fusion pot of powder addition and hybrid system with the present invention；
Fig. 2 is the cross-sectional view of the discharge head of Fig. 1；With
Fig. 3 is the cross-sectional view vertical with the section of Fig. 2 of the discharge head of Fig. 1.
Specific embodiment
Fig. 1 is the molten metal of the present invention and the sectional view of powder addition and hybrid system, which has to melt
The fusion pot (crucible) 5 of metal 9, the fusion pot 5 have fusion pot lid 7, which has according to the present invention be used for powder
10 are added to the system of molten metal 9.The system includes attaching to the delivery pipe 8 of the inlet flange 13 on discharge head 6.Enter
The mixing chamber 4 for forming rotor chamber is connected by mouth flange 13 with delivery pipe 8.For powder 10 flow path in 1 He of powder container
Extend between mixing chamber.Shut-off valve 11 after nozzle 2 and duster 3 at the top of mixing chamber 4 is formed for powder
10 flow path.The metal outlet 14 of mixing chamber 4 allows mixed molten metal and powder to flow in fusion pot 5.Outlet 14
The top on the surface 15 of the molten metal bath 9 in fusion pot 5.For being connected to vacuum pump, ejector mechanism (not shown)
Or the connector 16 of any other vacuum mechanism of offer low pressure or vacuum is located in fusion pot lid 7.Mixing chamber 4 and inlet flange 13
Form the multiple portions of discharge head 6.
In fig. 1-3 in shown embodiment, during liquid metal is transferred to fusion pot 5 from smelting furnace, powder is fed
To liquid metal.Vacuum mechanism maintains the low vacuum pressure in fusion pot 5, thus by molten metal 9 from smelting furnace " absorption " to fusion pot 5
In, this is because smelting furnace is under atmospheric pressure.Powder container 1 is sealed and is exposed to the pressure identical with the chamber in fusion pot
Under power.Molten metal is pressed onto by delivery pipe 8, inlet flange 13 and mixing chamber 4 in fusion pot 5 by atmospheric pressure.
It is suitable in the slave liquid aluminium of low pressure influence aluminum fluoride powder when adding aluminum fluoride powder to remove sodium from liquid aluminium
The ability of sodium is removed sharply.
Fig. 2 is the cross-sectional view of the discharge head of Fig. 1, and the flowing of molten metal is also shown with streamline.Streamline is shown
How the molten metal formed in the mixing chamber of rotor chamber causes rotary motion or the whirlpool of molten metal and powder in mixing chamber
Rotation, so as to contribute to the mixing of molten metal and powder.The concrete shape of mixing chamber shown in figure provides three and " turns
Son " is vortexed, and powder is admirably distributed in the molten metal by these three " rotors " or vortex.10 row of powder in powder tank 1
Into by being located at shut-off valve 11 and duster 3 at the top of mixing chamber.Positioned at the stream between duster 3 and switch valve 11
Measuring jet 2 in dynamic path ensures the powder of right amount being added in molten metal." drying " chamber 12 is formed in mixing chamber
In, positioned at the top of molten metal, so as to allow on the top surface 20 of powder distribution to the molten metal on the inside of mixing chamber,
Powdering inlet is located in " drying " chamber 12.Holding plate 17 and turning unit 18 limited on the inside of mixing chamber outside week
Boundary.Duster 3 is located at the top of mixing chamber and turning unit 18, so as to allow powder distribution at the top of mixing chamber
Molten metal in.Turning unit 18 is formed across holding plate 17 to enter shaped like " people's nose " and inlet flange, so as to permit
Permitted to be entrained with powder molten metal strike turning unit 18 on the wall of the first half office of the nose.The wheel of nose-shaped
Exterior feature limit small curvature at top, and curvature slightly increases, until it at the rightmost side part of mixing chamber, outside it
Portion end reaches bending the most precipitous.The curvature slows down, base portion office flat or almost until being located at mixing chamber
Until flat part.The profile is then to lower racing, to form outlet 14.Racing forms stepped part in outlet 14 downwards.
Other than being used to export 14 downward racing, which is recessed or flat along its whole length.The complete shape of the profile
Into in turning unit 18.The holding plate 17 that the lower section of inlet flange 13 is located in a manner of opposite with turning unit 18 is similary
Define the recessed curved surface for facing turning unit 18, curvature the most precipitous is present at the top close to inlet flange 13.
The curved surface of holding plate 17 extends to outlet 14.The curved surface of holding plate applies on the molten metal on the holding plate is struck
Upward power so as to promote the eddying motion of molten metal, hence improves mixing.Therefore, outlet forms pipeline, the pipeline
On turning unit 18 there is the side of general planar, and have on holding plate opposite with the planar side of turning unit 18 big
Cause the side of bending.When looking from below, outlet 14 is rectangle.Streamline shows that molten metal and mixture of powders are being hit
How to go before hitting on the holding plate 17 positioned at the top of outlet 14 along the wall of turning unit 18, so as to leave outlet 14
And rotary motion is formed in nose before in the molten metal bath entered in fusion pot.
The mixing chamber thus modified cross-sectional area on the flow direction of the molten metal from delivery pipe 8.Powder
Entrance 22, molten metal entrance 21 and outlet 14 provide to be made of molten metal and powder between mixing chamber and fusion pot
Mixture flow path.The deflection side being located at turn around on unit 18 is opposite with molten metal entrance 21.Powdering inlet 22
In the upper part of mixing chamber.Molten metal entrance 21 is located in the inlet side of mixing chamber.Outlet 14 is located at mixing chamber
Bottom part in, and it is opposite with the inlet side of mixing chamber 4 to deflect side.
The molten metal entrance 21 of mixing chamber is located at the top end of inlet side, is adjacent to powdering inlet 22.
Molten metal entrance 21 is horizontal or in the shallow angle close to level, and is suitable for horizontal direction or connects
The beam of molten metal is directed in mixing chamber by the shallow angle for being bordering on horizontal direction.
Turning unit 18 forms a profile, which defines small curvature at top, is followed by and slightly increases
Curvature, until it reaches steep curve in apex office, and then slow down, until the bottom part in mixing chamber 4
Until place reaches almost flat part.
Fig. 3 is the cross-sectional view in the section vertical with the section of Fig. 2 of the discharge head of Fig. 1.Fig. 3 shows mixing
The width of room, the section of " nose-shaped " is identical on the width and rectangular metal outlet 14 provides and leaves mixing chamber 4
Outlet.Switch valve 11 and measuring jet 2 are located in the flow path for the powder 10 of powder container 1.Being located in the path
The measuring jet 2 of the top of duster 3 ensures that the powder of right amount is distributed to molten metal by duster 3.Duster includes plough
Shape structure, so that powder is distributed in powder curtain.In its simplest form, measuring jet 2 includes the plate with hole or hole,
So as to allow to dump a certain amount of powder by it.It is that vacuum or low pressure are equal in the powder characteristics powder container of powder 10
Powder is enable to be advanced to due to the effect of gravity in mixing chamber 4.Turning unit includes the side 19 of two general planars, with
Form whole shells of mixing chamber.Powder is usually aluminum fluoride (AlF3), and molten metal is usually molten aluminum.
There is no any moving parts contacted with molten metal, and molten metal bath is once entered (on Fig. 1
Molten metal bath 9) in, powder is just thoroughly mixed with molten metal.Therefore, the mixing of powder and molten metal be it is quick and
Without additional-energy.
When delivery pipe is in the electrolytic cell (cell) with molten aluminum in discharge state, in fusion pot and fusion pot lid
Chamber is exposed to vacuum, to draw molten aluminum by the delivery pipe.Valve in powder tank is exposed to the same of vacuum in chamber
When open.Powder be metered into molten metal beam and with the metal mixed.The shape of mixing chamber 4 forms axial direction
Rotation or turbulent flow, so as to maintaining the metal while powder is mixed into metal, to realize powder in a metal
Homogeneity and uniform distribution.
A small amount of moving parts provides knot relatively easy and that cost is saved in terms of construction cost and operation ingredient
Structure.Other than the valve, which can be built in the case of without any moving parts.
The system is easy to that appropriate installation cost is retrofited and related on existing apparatus.
The basic element of character, which is located in fusion pot, the compact design in the lower section of fusion pot lid is also provided that have can ignore not
The solution of the temperature loss of meter and thus in the temperature scenario, hot surface region does not increase.
The present invention is researched and developed particular for aluminium and aluminum fluoride powder, but the present invention can be used for other metals and in powder
The additive of last form.Another relevant metal is magnesium.
Claims (15)
1. a kind of molten metal and powder addition and hybrid system, including：
Powder tank (1)；
Mixing chamber (4), it is the cross section of variation in the flowing direction that the mixing chamber (4), which has, powdering inlet (22), melts gold
Belong to entrance (21), between the mixing chamber (4) and fusion pot (5) offer for the mixture that is made of molten metal and powder
The outlet (14) of flow path and at least one deflector opposite with the molten metal entrance (21)；And
The flow path between the powdering inlet (22) between the powder tank (1) and in the mixing chamber (4).
2. molten metal according to claim 1 and powder addition and hybrid system, wherein, powdering inlet (22) position
In the upper part of the mixing chamber (4), the molten metal entrance (21) is positioned at the inlet side of the mixing chamber (4)
In, the outlet (14) is in the bottom part of the mixing chamber (4), and the deflection side and the mixing chamber (4)
The inlet side it is opposite.
3. molten metal according to claim 2 and powder addition and hybrid system, wherein, the institute of the mixing chamber (4)
State molten metal entrance (21) positioned at the inlet side top end, be adjacent to the powdering inlet (22).
4. molten metal according to claim 3 and powder addition and hybrid system, wherein, the entrance be it is horizontal or
In close to horizontal shallow angle, the entrance is suitable for melt with horizontal direction or close to the shallow angle of horizontal direction as a result,
The beam of metal is directed in the mixing chamber.
5. molten metal according to any one of claim 2-4 and powder addition and hybrid system, wherein, it is and described
The deflection side that the inlet side of mixing chamber (4) is opposite forms the turning unit (18) with a profile, the wheel
Exterior feature limits small curvature at top, is followed by slightly increased curvature, until it reaches steep curve in apex office,
And then slow down, until reaching almost flat part in the base portion office of the mixing chamber (4).
6. molten metal and powder addition and hybrid system according to any one of the preceding claims, wherein, it is described
Mixing chamber (4) is formed between holding plate (17) and turning unit (18), and the molten metal entrance (21) is formed on institute
State in holding plate (17), and at least one deflector opposite with the molten metal entrance (21) be formed in it is described
In turning unit (18).
7. molten metal and powder addition and hybrid system according to any one of the preceding claims, wherein, between
The flow path between the powder tank (1) and the powdering inlet (22) includes the first shut-off valve (11) and measuring jet
(2)。
8. molten metal and powder addition and hybrid system according to any one of the preceding claims, wherein, it is in
The powdering inlet (22) in the mixing chamber (4) includes duster (3).
9. molten metal and powder addition and hybrid system according to any one of the preceding claims, wherein, it is described
Molten metal entrance (21) is formed with the inlet flange (13) of tubulose bending, and the inlet flange (13) has for delivery pipe
(8) attachment part.
10. molten metal and powder addition and hybrid system according to any one of the preceding claims, wherein, it is described
Mixing chamber has the rectangular cross section perpendicular to the flow direction.
11. molten metal and powder addition and hybrid system according to any one of the preceding claims, wherein, between
The flow path between the powder tank (1) and the powdering inlet (22) being located in the mixing chamber (4) is set
It is fed to the mixing chamber (4) under the influence of gravity into the powder is enable.
12. a kind of Metal Production system including delivery pipe (8), limits the fusion pot (5) of fusion pot chamber and fusion pot lid (7), the system
It further includes：
Powder tank (1)；
Positioned at the mixing chamber (4) of the fusion pot intracavitary, the mixing chamber (4) includes powdering inlet (22), molten metal entrance
(21), it is provided between the mixing chamber (4) and the fusion pot (5) for the stream for the mixture being made of molten metal and powder
The outlet (14) in dynamic path and the opposite at least one deflector of the molten metal entrance (21)；And
The flow path between the powdering inlet (22) between the powder tank (1) and in the mixing chamber (4).
13. system according to claim 12, wherein, the fusion pot lid (7) including for connect with vacuum unit to
A few connector (16).
14. system according to claim 12 or 13, wherein, the system has any in claim 2-9
Molten metal and powder addition and hybrid system described in.
15. system according to any one of the preceding claims, wherein, the molten metal is molten aluminum and described
Powder is aluminum fluoride.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20150703A NO342536B1 (en) | 2015-06-01 | 2015-06-01 | A molten metal and powder adding and mixing system and a system for the production of metal |
| NO20150703 | 2015-06-01 | ||
| PCT/NO2016/050110 WO2016195507A1 (en) | 2015-06-01 | 2016-05-31 | A molten metal and powder adding and mixing system and a metal production system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108138259A true CN108138259A (en) | 2018-06-08 |
| CN108138259B CN108138259B (en) | 2019-10-11 |
Family
ID=57440701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680034109.4A Active CN108138259B (en) | 2015-06-01 | 2016-05-31 | Molten metal and powder addition and hybrid system and Metal Production system |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3303644B1 (en) |
| CN (1) | CN108138259B (en) |
| BR (1) | BR112017025990B1 (en) |
| NO (1) | NO342536B1 (en) |
| WO (1) | WO2016195507A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO20210630A1 (en) * | 2021-05-21 | 2022-11-22 | Norsk Hydro As | Na removal from pot-room Al metal with under-pressure and forced convection |
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| AT321340B (en) * | 1969-07-29 | 1975-03-25 | Voest Ag | Device for introducing fine-grained or liquid aggregates into liquid metals and process for the production of cast iron with a spherical graphite structure |
| US4034970A (en) * | 1976-01-28 | 1977-07-12 | General Motors Corporation | Method and device for nodularizing cast iron |
| US4191563A (en) * | 1976-03-08 | 1980-03-04 | Ford Motor Company | Continuous stream treatment of ductile iron |
| DE4122319A1 (en) * | 1991-07-05 | 1993-01-14 | Vaw Ver Aluminium Werke Ag | METHOD FOR GENERATING REACTIVE MELTS AND DEVICE FOR IMPLEMENTING THE METHOD |
| NO20043941A (en) * | 2004-09-21 | 2005-08-15 | Ingenioer Karl Venaas As | Method and device for adding powder to a metal melt |
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2015
- 2015-06-01 NO NO20150703A patent/NO342536B1/en unknown
-
2016
- 2016-05-31 BR BR112017025990-7A patent/BR112017025990B1/en active IP Right Grant
- 2016-05-31 WO PCT/NO2016/050110 patent/WO2016195507A1/en active Application Filing
- 2016-05-31 CN CN201680034109.4A patent/CN108138259B/en active Active
- 2016-05-31 EP EP16803825.5A patent/EP3303644B1/en active Active
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| US4298377A (en) * | 1979-12-03 | 1981-11-03 | Union Carbide Corporation | Vortex reactor and method for adding solids to molten metal therewith |
| CN1228716A (en) * | 1996-08-30 | 1999-09-15 | 承包工程有限公司 | Hydromechanical mixing apparatus for producing mixture of powder or granular state material and liquid |
| CN101506396A (en) * | 2006-07-04 | 2009-08-12 | 赫格塞特技术公司 | A method and device for admixture of powder in a liquid |
| WO2011021940A1 (en) * | 2009-08-21 | 2011-02-24 | Sør Norge Aluminium As | Method and apparatus for adding powder and gas in a melt |
| CN102719856A (en) * | 2012-07-02 | 2012-10-10 | 福建省南平铝业有限公司 | Method for removing alkali metal via electrolytic aluminum liquid |
| CN203498454U (en) * | 2013-09-17 | 2014-03-26 | 北京南山航空材料研究院有限责任公司 | Novel high-efficiency aluminum alloy in-furnace solvent ejection refining tube nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| NO20150703A1 (en) | 2016-12-02 |
| NO342536B1 (en) | 2018-06-11 |
| EP3303644A4 (en) | 2019-03-13 |
| EP3303644A1 (en) | 2018-04-11 |
| BR112017025990A2 (en) | 2018-08-14 |
| WO2016195507A1 (en) | 2016-12-08 |
| CN108138259B (en) | 2019-10-11 |
| BR112017025990B1 (en) | 2021-10-13 |
| EP3303644B1 (en) | 2021-04-21 |
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