CN108138259B - 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
- CN108138259B CN108138259B CN201680034109.4A CN201680034109A CN108138259B CN 108138259 B CN108138259 B CN 108138259B CN 201680034109 A CN201680034109 A CN 201680034109A CN 108138259 B CN108138259 B CN 108138259B
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- molten metal
- mixing chamber
- powder
- entrance
- hybrid system
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 112
- 239000002184 metal Substances 0.000 title claims abstract description 112
- 239000000843 powder Substances 0.000 title claims abstract description 100
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 238000002156 mixing Methods 0.000 claims abstract description 95
- 230000004927 fusion Effects 0.000 claims abstract description 43
- 238000000227 grinding Methods 0.000 claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000004411 aluminium Substances 0.000 claims abstract description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 125000001153 fluoro group Chemical group F* 0.000 claims 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 241000194386 Coelosis Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004602 germ cell Anatomy 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010237 hybrid technique Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- 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
The present invention relates to a kind of systems for powder to be added to molten metal and be used to for the powder being mixed into the molten metal.The system includes powder tank and has the mixing chamber (4) of variation cross section in the flowing direction.The mixing chamber include powdering inlet, molten metal entrance, provide between mixing chamber (4) and fusion pot (5) mixture for being made of molten metal and powder flow path outlet (14).At least one deflector and entrance relative positioning.Powder is directed in mixing chamber (4) by the flow path between powder tank (1) and powdering inlet.In addition, the present invention relates to a kind of system for producing aluminium, which includes the fusion pot (5) and fusion pot lid (7) and delivery pipe (8) for limiting fusion pot chamber.The system includes: powder tank (1)；Positioned at the intracavitary mixing chamber of fusion pot (4), the mixing chamber (4) include powdering inlet, molten metal entrance, provide between mixing chamber (4) and fusion pot (5) mixture for being made of molten metal and powder flow path outlet (14).At least one deflector is opposite with entrance.Powder is directed in mixing chamber (4) by the flow path between powder tank (1) and powdering inlet.
Description
Technical field
The present invention relates to a kind of equipment for being added in the molten metal with mixed-powder.In particular it relates to
Aluminum fluoride is added to molten aluminum, to remove sodium and add alloying element.
Background technique
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 exists and impurity is stirred in bath
Risk.When using motor-driven rotor, it is necessary to using energy temperature is maintained at higher level and continues a timing
Between, to allow to have the sufficiently long time to implement the hybrid technique and for driving the motor, to improve total energy consumption.
These problems are equally associated when adding alloying element.
Other conventional solutions include that powder is added to molten metal together with propelling gas, and in the situation
Under, mixing can be by allowing powder and gas to be floated upwards through the metal and realized.The gas is usually argon gas.In this germline
In system, the inlet nozzle for gas and powder is exposed to molten metal, and the blocking of nozzle is to utilize the solution institute
A problem except existing some problem.
Summary of the invention
The present invention relates to a kind of molten metal according to appended claims and powder addition and hybrid system and
One kind is for giving birth to metalliferous system.These systems of the 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 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 "upper", "lower", " top ", " lower part " in patent specification and claims etc. are intended to gravity
Direction as benchmark in the case where relative direction or position are described.Direction " flow direction " be intended to describe flowing Main way with
Just the direction is distinguished with the direction perpendicular to flow direction and is in the feelings for not considering the practical flowing across the system
Direction defined by under condition.One that mixing chamber is pipeline is thereby eliminated along the cross section of the variation of the flow direction of mixing chamber
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 which, which has in the flowing direction, powdering inlet, molten metal entrance, is being mixed
There is provided between room and fusion pot the flow path of mixture for being made of molten metal and powder metal outlet and with enter
At least one opposite 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, 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 completely molten metal in operation.
Metal inlet in mixing chamber can be located on the top of inlet side, 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 close to horizontal shallow angle, and can be thereby adapted for horizontal direction or close
The beam of molten metal is directed in mixing chamber in the shallow angle of horizontal direction.The angle facilitates to 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, the curvature slightly increased is followed by, until it reaches steep curve at apex portion, and then
Slow down, until almost flat part is reached at the bottom part in mixing chamber.Thus the shape of mixing chamber shows often
" the people's nose " seen and the outlet for mixed-powder and molten metal are across " nostril ".
Mixing chamber can be formed between holding plate and turning unit, wherein and 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 that powder is admirably distributed on molten metal surface.
Powdering inlet can be linear and powder can pass through in a manner of straight curtain and be not exposed to the longitudinal cut of molten metal
It falls.
The entrance can be formed with the curved inlet flange of tubulose, 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.It is intracavitary that mixing chamber is located at fusion pot.The mixing chamber includes powdering inlet, molten metal
Entrance and provided between mixing chamber and fusion pot mixture for being made of molten metal and powder flow path gold
Belong to outlet.At least one deflector is opposite with molten metal entrance, and flow path setting powder tank with positioned at mixing
Between powdering inlet in room.
Mixing chamber is located in and intracavitary has been reduced to the heat loss from mixing chamber most by what fusion pot and fusion pot lid limited
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 for give birth to metalliferous system can with any of preceding feature molten metal and powder add
It is combined with hybrid system.
Molten metal can be molten aluminum and powder can be aluminum fluoride.
Detailed description of the invention
Fig. 1 is through the sectional view of the fusion pot with molten metal of the invention and powder addition and hybrid system；
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 sectional view of molten metal and powder addition and hybrid system of the invention, which has for melting
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 the delivery pipe 8 of the inlet flange 13 attached on discharge head 6.Enter
The mixing chamber 4 for forming rotor chamber is connected by mouth flange 13 with delivery pipe 8.Flow path for powder 10 is 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, which is formed, is used 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 embodiment shown in fig. 1-3, 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 pressure identical with the chamber in fusion pot
Under power.Molten metal is pressed onto fusion pot 5 by atmospheric pressure by delivery pipe 8, inlet flange 13 and mixing chamber 4.
When adding aluminum fluoride powder to remove sodium from liquid aluminium, low pressure influences suitable in the slave liquid aluminium of aluminum fluoride powder
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, to facilitate the mixing of molten metal and powder.The concrete shape of mixing chamber shown in the drawings 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
Shut-off valve 11 and duster 3 at the top by being located at mixing chamber.Positioned at the stream between duster 3 and switch valve 11
Measuring jet 2 in dynamic path ensures for the powder of right amount to be added in molten metal." drying " chamber 12 is formed in mixing chamber
In, positioned at the top of molten metal, thus allow by powder distribution to be located at mixing chamber on the inside of molten metal top surface 20 on,
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, to allow powder distribution at the top of mixing chamber
Molten metal in.Turning unit 18 is formed shaped like " people's nose " and inlet flange enters across holding plate 17, to permit
Permitted to be entrained with powder molten metal strike turning unit 18 on the wall at the top half of the nose.Nose-shaped wheel
Exterior feature limits 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, flat or almost at the bottom part for 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 the downward racing for exporting 14, which is recessed or flat along its whole length.The complete shape of the profile
At in turning unit 18.It is same with the holding plate 17 that the mode opposite with turning unit 18 is located in the lower section of inlet flange 13
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 striking the molten metal on the holding plate
Upward power hence improves mixing to promote the eddying motion of molten metal.Therefore, outlet forms pipeline, the pipeline
With the side of general planar on turning unit 18, and with opposite with the planar side of turning unit 18 big on holding plate
Cause curved side.When looking from below, outlet 14 is rectangle.Streamline shows molten metal and mixture of powders and is hitting
Hit be located at outlet 14 top holding plate 17 on before how along turning unit 18 wall and go, thus leaving outlet 14
And form rotary motion in the molten metal bath entered in fusion pot in nose before.
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 are provided between mixing chamber and fusion pot for being made of molten metal and powder
Mixture flow path.The deflection side being located at turn around on unit 18 and molten metal entrance 21 are opposite.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, 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, slow down until it reaches steep curve at apex portion, and then, 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 to be distributed in powder curtain.In its simplest form, measuring jet 2 includes the plate with hole or hole,
To allow to dump a certain amount of powder by it.No matter the powder characteristics of powder 10 are that vacuum or low pressure are equal in powder container
Powder is set to advance in mixing chamber 4 due to the effect of gravity.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 once enter molten metal bath (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 discharge state in the electrolytic cell (cell) with molten aluminum, in fusion pot and fusion pot lid
Chamber is exposed to vacuum, passes through the delivery pipe to draw molten aluminum.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, to maintain 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 where not having any moving parts.
The system is easy to that appropriate installation cost is retrofited and related on existing apparatus.
The compact design that the basic element of character is located at interior, in fusion pot lid the lower section of fusion pot, which 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, comprising:
Powder tank (1)；
Mixing chamber (4), it is the cross section of variation that the mixing chamber (4), which has in the flowing direction, is located at the mixing chamber (4)
Powdering inlet (22) in upper part, is located at the molten metal entrance (21) in the inlet side of the mixing chamber (4)
It provides in the bottom part of the mixing chamber (4) and between the mixing chamber (4) and fusion pot (5) for by molten metal and powder
The outlet (14) of the flow path for the mixture that end is constituted and inclined at least one opposite of the molten metal entrance (21)
Transfer part point；And
Flow path between the powder tank (1) and the powdering inlet (22) being located in the mixing chamber (4).
2. molten metal according to claim 1 and powder addition and hybrid system, wherein the deflector with it is described
The inlet side of mixing chamber (4) is opposite.
3. molten metal according to claim 2 and powder addition and hybrid system, wherein the institute of the mixing chamber (4)
It states molten metal entrance (21) and is located at the top end of the inlet side, 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. the molten metal according to any one of claim 2-4 and powder addition and hybrid system, wherein with it is described
The opposite deflector of the inlet side of mixing chamber (4) forms the turning unit (18) with a profile, the wheel
Exterior feature limits small curvature at top, is followed by the curvature slightly increased, until it reaches steep curve at apex portion,
And then slow down, until almost flat part is reached at the bottom part in the mixing chamber (4).
6. molten metal according to claim 5 and powder addition and hybrid system, wherein the mixing chamber (4) is by shape
At between holding plate (17) and turning unit (18), the molten metal entrance (21) is formed on the holding plate (17)
In, and described at least one deflector opposite with the molten metal entrance (21) is formed in the turning unit (18)
In.
7. according to claim 1 to molten metal described in any one of 4 and powder addition and hybrid system, 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. according to claim 1 to molten metal described in any one of 4 and powder addition and hybrid system, wherein be in
The powdering inlet (22) in the mixing chamber (4) includes duster (3).
9. according to claim 1 to molten metal described in any one of 4 and powder addition and hybrid system, wherein described
Molten metal entrance (21) is formed with the curved inlet flange of tubulose (13), and the inlet flange (13), which has, is used for delivery pipe
(8) attachment part.
10. according to claim 1 to molten metal described in any one of 4 and powder addition and hybrid system, wherein described
Mixing chamber has the rectangular cross section perpendicular to the flow direction.
11. according to claim 1 to molten metal described in any one of 4 and powder addition and hybrid system, wherein between
The flow path between the powder tank (1) and the powdering inlet (22) being located in the mixing chamber (4) is set
At enabling the powder to be fed to the mixing chamber (4) under the influence of gravity.
12. a kind of Metal Production system, fusion pot (5) and fusion pot lid (7) including delivery pipe (8), restriction fusion pot chamber, the system
Further include:
Powder tank (1)；
Positioned at the intracavitary mixing chamber of the fusion pot (4), the mixing chamber (4) includes powdering inlet (22), molten metal entrance
(21), the stream of the mixture for being made of molten metal and powder is provided between the mixing chamber (4) and the fusion pot (5)
The outlet (14) in dynamic path and at least one opposite deflector of the molten metal entrance (21)；And
Flow path between the powder tank (1) and the powdering inlet (22) being located in the mixing chamber (4).
13. system according to claim 12, wherein the fusion pot lid (7) include for connect with vacuum unit to
A few connector (16).
14. system according to claim 12 or 13, wherein the system has according to any in claim 2-9
Molten metal and powder addition and hybrid system described in.
15. system according to claim 12 or 13, wherein the molten metal is molten aluminum and the powder is fluorine
Change aluminium.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20150703 | 2015-06-01 | ||
| 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 |
| 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 CN108138259A (en) | 2018-06-08 |
| CN108138259B true CN108138259B (en) | 2019-10-11 |
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| CN201680034109.4A Active CN108138259B (en) | 2015-06-01 | 2016-05-31 | Molten metal and powder addition and hybrid system and Metal Production system |
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| Country | Link |
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| EP (1) | EP3303644B1 (en) |
| CN (1) | CN108138259B (en) |
| BR (1) | BR112017025990B1 (en) |
| NO (1) | NO342536B1 (en) |
| WO (1) | WO2016195507A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
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 CN CN201680034109.4A patent/CN108138259B/en active Active
- 2016-05-31 EP EP16803825.5A patent/EP3303644B1/en active Active
- 2016-05-31 WO PCT/NO2016/050110 patent/WO2016195507A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|---|
| BR112017025990B1 (en) | 2021-10-13 |
| EP3303644A1 (en) | 2018-04-11 |
| NO342536B1 (en) | 2018-06-11 |
| WO2016195507A1 (en) | 2016-12-08 |
| EP3303644A4 (en) | 2019-03-13 |
| NO20150703A1 (en) | 2016-12-02 |
| EP3303644B1 (en) | 2021-04-21 |
| BR112017025990A2 (en) | 2018-08-14 |
| CN108138259A (en) | 2018-06-08 |
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