CN107254596A - A kind of achievable alloy refining degasification removal of impurities and churned mechanically multi-function device - Google Patents
A kind of achievable alloy refining degasification removal of impurities and churned mechanically multi-function device Download PDFInfo
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- CN107254596A CN107254596A CN201710366774.XA CN201710366774A CN107254596A CN 107254596 A CN107254596 A CN 107254596A CN 201710366774 A CN201710366774 A CN 201710366774A CN 107254596 A CN107254596 A CN 107254596A
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- rotor
- achievable
- function device
- churned mechanically
- rotating disk
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- 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
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
Abstract
The invention discloses a kind of achievable alloy refining degasification removal of impurities and churned mechanically multi-function device, including shaft furnace, the shaft furnace is internally provided with graphite crucible, the side of the shaft furnace is provided with lifting platform, supporting plate is provided with the lifting platform, stepper motor is provided with the supporting plate, the stepper motor is located at the top of the shaft furnace；Rotor is connected with the rotary shaft of the stepper motor, air storage chamber, rotating disk and bell jar are provided with the rotor, stomata is provided with the rotor to connect with the air storage chamber, some stomatas are provided with the rotating disk and the bell jar to connect with the rotor, stirring rod is additionally provided with the rotating disk, and stirring rod is snakelike shape, the rotating disk is four annular symmetrical blades, the blade lower surface is to be provided with screw on streamlined curved surface, the blade upper surface.Apparatus of the present invention can significantly simplify equipment, optimize smelting technology, reduce production cost, improve product quality.
Description
Technical field
The present invention relates to aluminium alloy smelting field, more particularly to combined in for alloy refining degasification removal of impurities and mechanical agitation
The multi-function device of the whole body, belongs to the innovative technology of aluminum alloy materials melting preparation.
Background technology
The basic object of alloy melting is：Clarity height, the satisfactory alloy melt of chemical composition are prepared, for casting
Created conditions into variously-shaped ingot casting.The quality of melt has important to the processing characteristics and end-use properties of alloy material
Influence.The performance that alloy material can reach in addition to ensureing by chemical composition, process conditions be also extremely important influence because
Element.Because the whether metal stock or the waste material in melting down of smeltery's supply, often containing impurity, gas, oxide or its
His field trash, it is necessary to by melting and purifying process, acted on by refining physically or chemically, exclude these impurity, gas, oxidation
Thing etc., to improve the clarity of alloy melt.Meanwhile, alloy molten solution is fully stirred in time in fusion process, stirring
Purpose is：First, the speed of alloying element fusing and dissolving, non-uniform components are improved.Because the dissolving of metal is contacted with liquation
What interface started, high concentration convergence zone is being partially formed, is only being stirred continuously, accumulation regions and poor area is produced convection current,
The dissolving of metal can be accelerated, and make composition uniform；2nd, uniform temperature, it is to avoid melt hot-spot.In the case of reverberatory furnace,
Heat is transmitted from up to down from metal bath surface, and thermometal is in molten metal upper strata, and sluggish metal is in lower floor, the metal of levels
Liquid temperature difference cannot pass through convection of heat and reach balance.And this temperature difference is normal up to 100~200 DEG C, and it is high with pool depth and thermal source
Degree increases and increased.Therefore transmission and the non-uniform components of heat are only strengthened by stirring.And traditional refining degasification and machinery
Stirring is individually operated, and equipment is complicated, and floor space is big and involves great expense；And often only with single one kind during melting
Method of refining, the effect of degasification removal of impurities is restricted, even if there is the example that gas and flux mixing are filled with, but is not ensured that
Gas and flux are evenly supplied simultaneously, and flux is easily blocked in the duct, greatly limit the clean-up effect of flux and gas；
And an aperture larger vertical air inlet mouthful is only set during degasification, bubble is distributed in molten aluminium alloy uneven, stop
Time is short, influences degassing effect；Last mechanical agitation takes the mode that center is stirred, to the miniaturization action effect of bubble very
It is micro-, or liquid level is often higher by, cause the oxide-film of molten surface easily damaged, increase air-breathing, pollute aluminium liquid.Therefore, design
A kind of refining degasification removal of impurities suitable for aluminium alloy smelting and churned mechanically multi-function device are significant.
The content of the invention
It is an object of the invention to propose a kind of achievable alloy refining degasification removal of impurities and churned mechanically multifunctional assembling
Put, it is therefore intended that overcome the shortcomings of that degasification is refined in existing melting technique to be separated with mechanical agitation and cause equipment redundancy numerous
The higher shortcoming of weight, cost, while improving the construction of churned mechanically mode and rotating disk, utilizes apparatus of the present invention, Ke Yixian
Write and simplify equipment, optimize smelting technology, reduce production cost, improve product quality.
The technical solution adopted in the present invention：A kind of achievable alloy refining degasification removal of impurities and churned mechanically multi-functional
Device, including shaft furnace, the shaft furnace are internally provided with graphite crucible, and the side of the shaft furnace is provided with lifting platform,
It is provided with the lifting platform in supporting plate, the supporting plate and is provided with stepper motor, the stepper motor is located at the well formula
The top of stove；It is connected with the rotary shaft of the stepper motor on rotor, the rotor and is provided with air storage chamber, rotating disk and bell jar,
Stomata is provided with the rotor to connect with the air storage chamber, and some stomatas and institute are provided with the rotating disk and the bell jar
State and stirring rod is additionally provided with rotor connection, the rotating disk, and stirring rod is snakelike shape.
It is preferred that, the rotating disk is to be provided with screw in four annular symmetrical blades, the vane end faces, with stirring
Rod screw thread screws cooperation.
It is preferred that, it is provided with refractory brick below the graphite crucible.
It is preferred that, it is provided with bottom plate below the shaft furnace.
It is preferred that, it is provided with above the shaft furnace on cover plate, the cover plate and is provided with gas outlet.
It is preferred that, spinning top is set on the rotor.
It is preferred that, the lifting platform is connected with the supporting plate by fastening bolt.
It is preferred that, the bell jar is arranged at the Rotor terminal.
It is preferred that, the air storage chamber is connected with air inlet pipe.
Compared with prior art, the beneficial effects of the invention are as follows：(1) thin device of the present invention, integrated functionality is fast steady accurate real
The now operation and control to refining and stirring；(2) inert gas refining degasification of the present invention and flux method refining removal of impurities are synchronously combined,
Blow to rotate using micro-porous level and spray, no dead angle is comprehensive to be full of liquation, and flux is pressed into using bell jar, it is not necessary to worry to block pipe
Road；(3) stirring rod of the present invention is snakelike stirring rod, and symmetrical bias is placed in four orientation of solution two-by-two, i.e., using eccentric stirring
Mode, increase the contact area with liquation, and can effective bubble crushing, strengthen dehydrogenation effect；(4) rotating disk blade of the present invention
For airflow design, reduce resistance during rotation, and the formation of vortex can be alleviated；(5) rotation is added on rotor of the present invention
Gyro, can prevent significantly vibration when rotor rotates；(6) rotor of the present invention, rotating disk, bell jar and stirring rod are detachable structure
Part, adapts to the alloy melting under different occasions.
Brief description of the drawings
Fig. 1 shows for the structure of a kind of achievable alloy refining degasification removal of impurities of the invention and churned mechanically multi-function device
It is intended to.
Fig. 2 is the rotating disk of a kind of achievable alloy refining degasification removal of impurities of the invention and churned mechanically multi-function device
Structural representation.
Fig. 3 be a kind of achievable alloy refining degasification removal of impurities of the invention and churned mechanically multi-function device rotor,
Structural representation after rotating disk, stirring rod and bell jar combination.
Fig. 4 is aluminium alloy as cast condition metallographic schematic diagram prepared by the embodiment of the present invention one.
Fig. 5 is aluminium alloy homogenization state metallographic schematic diagram prepared by the embodiment of the present invention one.
Fig. 6 is aluminum alloy solution aging state metallographic schematic diagram prepared by the embodiment of the present invention one.
Embodiment
Technical scheme is further illustrated with reference to specific embodiment.
As shown in figure 1, a kind of achievable alloy refining degasification removal of impurities and churned mechanically multi-function device, including well formula
Stove (17), the shaft furnace (17) is internally provided with graphite crucible (12), and the side of the shaft furnace (17) is provided with lifting
It is provided with platform (2), the lifting platform (2) on supporting plate (6), the supporting plate (6) and is provided with stepper motor (4), the step
Stepper motor (4) is located at the top of the shaft furnace (17)；Rotor is connected with the rotary shaft (5) of the stepper motor (4)
(11) air storage chamber (8), rotating disk (14) and bell jar (15), are provided with the rotor (11)；Gas is provided with the rotor (11)
Hole is connected with the air storage chamber (8), be easy to inert gas from the air storage chamber (8) enter rotor (11), the rotating disk (14) and
Some stomatas are provided with the bell jar (15) to connect with the rotor (11), and stirring rod is additionally provided with the rotating disk (14)
(13)。
In the concrete technical scheme of the present invention, the rotating disk (14) is four symmetrical blades of annular, rotating disk (14)
Diameter is preferred with the 1/2 of the diameter of graphite crucible (12), and each blade is provided with through hole, is communicated with rotor (11), wherein, rotor
(11) endcapped, only level ventilation；Rotating disk (14) screws cooperation with rotor (11) by screw thread；Opened in the vane end faces
There is screw, cooperation is screwed with stirring rod (13) screw thread；Refractory brick (16), the well are provided with below the graphite crucible (12)
It is provided with to be provided with cover plate (10), the cover plate (10) above bottom plate (1), the shaft furnace (17) below formula stove (17) and sets
It is equipped with gas outlet.
In the concrete technical scheme of the present invention, spinning top (9), the lifting platform (2) are set on the rotor (11)
It is connected with the supporting plate (6) by fastening bolt, the bell jar (15) is arranged at the Rotor terminal, the air storage chamber (8)
It is connected with air inlet pipe.
Wherein, rotor (11), stirring rod (13), rotating disk (14) and bell jar (15) are silicon carbide ceramics, compared to graphite rod
It is more anti-oxidant, high temperature resistant.
Embodiment one
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.Using apparatus of the present invention, microalloying research is carried out on the basis of 6061 aluminium alloys, the aluminium that following composition has been made is closed
Gold such as table 1 below：
| Alloy | Si | Fe | Cu | Mn | Mg | Zn | Ti | Al |
| 0# | 0.60 | 0.36 | 0.24 | 0.24 | 0.99 | 0.22 | 0.08 | Surplus |
Table 1
Embodiment raw material be 6061 aluminium alloys, Al-Mg intermediate alloys, Al-Mn intermediate alloys, Al-Ti-B intermediate alloys (
6061 aluminium alloys are found in experiment, and the Mg scaling loss of itself can be up to more than 70% in fusion process, therefore need to add the Mg of certain content
To supplement the amount of its scaling loss).
By to 6061 aluminium alloy as cast conditions, homogenization state, solid solution aging state Metallographic Analysis made from the present apparatus, it is found that its is micro-
See tissue surface pattern good, the casting flaw such as pin hole, stomata, shrinkage cavity is all substantially less.To its as-cast structure and solid solution aging
Tissue carries out micro-hardness testing, respectively reaches 67HBW and 105HBW, in the case where not being plastically deformed, hardness reaches
This degree, show the device made from aluminium alloy capability achieve good breakthrough, illustrate the device be used for aluminium alloy system
It is standby substantially to reduce casting flaw and significantly improve the performance of aluminium alloy.
Specific implementation step is：6061 aluminium alloys are placed in the graphite crucible of shaft furnace (17) (12), shaft furnace (17)
In temperature rise to aluminium alloy softening when caving in, spread last layer coverture.Continue to heat up, treat that temperature rises to smelting temperature
At 730~750 DEG C, Al-Mn intermediate alloys are added, at this moment just needs to be stirred liquid aluminum alloy, is provided with stirring
Mix rotating speed is 200~400rpm, is specially that lifting platform (2) is risen into certain altitude, is easy to rotor (11) and stepper motor
(4) rotary shaft (5) is connected by positive coupling, and the rotating disk (14) that will be equipped with stirring rod (13) is arranged on rotor (11),
It is slow to decline lifting platform (2), until rotor (11) submerges liquation bottom, cover plate 10 is covered, starts stepper motor (4), machine is carried out
Tool is stirred, and stirring rod (13) must not be higher than liquation liquid level during stirring, it is to avoid roll big wave and the oxide-film of damaged surface.
In whipping process, intermediate alloy is sequentially added according to the order of fusing difficulty or ease, and the addition of different intermediate alloys need to be spaced one to two
Minute, added after Al-Mg intermediate alloys are wrapped up with aluminium foil in liquation, stirring is handled as stated above.
On the other hand, it is connected with rotor (11), the rotor (11) and sets in the rotary shaft (5) of the stepper motor
Have and be provided with stomata on air storage chamber (8), rotating disk (14) and bell jar (15), the rotor (11) and connected with the air storage chamber (8), institute
State and be provided with some stomatas in rotating disk (14) and the bell jar (15) and connected with the rotor (11)；Because in rotor (11)
Bottom has screwed on bell jar (15) by screw thread, when refining degasification removal of impurities, powdery refining agent is pressed into liquation bottom, while entering
Argon gas is passed through in tracheae (7) into air storage chamber (8), be provided with stomata on the rotor (11) connects with the air storage chamber (8), because
And argon gas is by the stomata of four blade edges of rotor (11) guide revolving disk (14), wherein, a diameter of 0.5mm of stomata, gas
Pore diameter size directly affects the effect of bubble miniaturization, starts stepper motor (4), stirring had both been realized, while also carrying out inertia
Gas refinement and flux method refining.Gas ventilation mode is the air pressure valve that direct regulation is arranged on argon bottle, and pressure is
0.5Mpa, it is 0.4m to control flow3/ h, refines 10min, is poured into a mould after standing 5min at 710 DEG C, melting so far completes aluminium
Alloy.
Wherein, it is provided with below the graphite crucible (12) below refractory brick (16), the shaft furnace (17) and is provided with bottom
Plate (1), realizes and is provided with cover plate (10), the cover plate above the support to the shaft furnace (17), the shaft furnace (17)
(10) gas outlet is provided with, the protection to the shaft furnace (17) interior environment is realized, and gas is arranged by gas port
Go out, spinning top (9), the balance for adjusting rotor (11) are set on the rotor (11)；The lifting platform (2) and the branch
Fagging (6) is connected by fastening bolt, and the air storage chamber (8) is also associated with the air inlet pipe (7) for facilitating gas to enter.
For those skilled in the art, technical scheme that can be as described above and design, make other each
It is kind corresponding to change and deform, and all these change and deformation should all belong to the protection model of the claims in the present invention
Within enclosing.
Claims (9)
1. a kind of achievable alloy refining degasification removal of impurities and churned mechanically multi-function device, it is characterised in that：Including well formula
Stove, the shaft furnace is internally provided with graphite crucible, and the side of the shaft furnace is provided with lifting platform, the lifting platform sets
It is equipped with supporting plate, the supporting plate and is provided with stepper motor, the stepper motor is located at the top of the shaft furnace；The step
It is connected with the rotary shaft of stepper motor on rotor, the rotor and is provided with air storage chamber, rotating disk and bell jar, is provided with the rotor
Stomata is connected with the air storage chamber, and be provided with some stomatas in the rotating disk and the bell jar connects with the rotor, described
Stirring rod is additionally provided with rotating disk.
2. a kind of achievable alloy refining degasification removal of impurities according to claim 1 and churned mechanically multi-function device,
It is characterized in that：The rotating disk is four symmetrical blades of annular, and the blade lower surface is streamlined curved surface, the blade
Screw is provided with upper surface, cooperation is screwed with stirring rod screw thread.
3. a kind of achievable alloy refining degasification removal of impurities according to claim 1 and churned mechanically multi-function device,
It is characterized in that：Refractory brick is provided with below the graphite crucible.
4. a kind of achievable alloy refining degasification removal of impurities according to claim 1 and churned mechanically multi-function device,
It is characterized in that：Bottom plate is provided with below the shaft furnace.
5. a kind of achievable alloy refining degasification removal of impurities according to claim 1 and churned mechanically multi-function device,
It is characterized in that：It is provided with above the shaft furnace on cover plate, the cover plate and is provided with gas outlet.
6. a kind of achievable alloy refining degasification removal of impurities according to claim 1 and churned mechanically multi-function device,
It is characterized in that：Spinning top is set on the rotor.
7. a kind of achievable alloy refining degasification removal of impurities according to claim 1 and churned mechanically multi-function device,
It is characterized in that：The lifting platform is connected with the supporting plate by fastening bolt.
8. a kind of achievable alloy refining degasification removal of impurities according to claim 1 and churned mechanically multi-function device,
It is characterized in that：The bell jar is arranged at the Rotor terminal.
9. a kind of achievable alloy refining degasification removal of impurities according to claim 1 and churned mechanically multi-function device,
It is characterized in that：The air storage chamber is connected with air inlet pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366774.XA CN107254596B (en) | 2017-05-23 | 2017-05-23 | A kind of achievable alloy refining degasification removal of impurities and churned mechanically multi-function device |
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| CN201710366774.XA CN107254596B (en) | 2017-05-23 | 2017-05-23 | A kind of achievable alloy refining degasification removal of impurities and churned mechanically multi-function device |
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| CN107254596A true CN107254596A (en) | 2017-10-17 |
| CN107254596B CN107254596B (en) | 2019-02-15 |
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| CN201710366774.XA Expired - Fee Related CN107254596B (en) | 2017-05-23 | 2017-05-23 | A kind of achievable alloy refining degasification removal of impurities and churned mechanically multi-function device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827428A (en) * | 2019-02-22 | 2019-05-31 | 赵佳乐 | A kind of manufacture of iron and steel by melting furnace |
| CN110153408A (en) * | 2019-06-12 | 2019-08-23 | 齐齐哈尔翔科新材料有限公司 | A kind of preparation method of ceramic particle enhancing 6XXX aluminum matrix composite |
| CN112626350A (en) * | 2020-12-16 | 2021-04-09 | 东北大学 | Device and method for deeply purifying aluminum-lithium alloy melt |
| CN113755701A (en) * | 2021-09-10 | 2021-12-07 | 广东鸿邦金属铝业有限公司 | Degassing method in aluminum alloy argon refining process |
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| CN105296775A (en) * | 2015-11-30 | 2016-02-03 | 银邦金属复合材料股份有限公司 | Aluminium alloy smelting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109827428A (en) * | 2019-02-22 | 2019-05-31 | 赵佳乐 | A kind of manufacture of iron and steel by melting furnace |
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| CN112626350A (en) * | 2020-12-16 | 2021-04-09 | 东北大学 | Device and method for deeply purifying aluminum-lithium alloy melt |
| CN112626350B (en) * | 2020-12-16 | 2021-11-30 | 东北大学 | Device and method for deeply purifying aluminum-lithium alloy melt |
| CN113755701A (en) * | 2021-09-10 | 2021-12-07 | 广东鸿邦金属铝业有限公司 | Degassing method in aluminum alloy argon refining process |
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Granted publication date: 20190215 Termination date: 20190523 |