CN109868387A - Aluminium alloy preparation facilities - Google Patents
Aluminium alloy preparation facilities Download PDFInfo
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- CN109868387A CN109868387A CN201910216395.1A CN201910216395A CN109868387A CN 109868387 A CN109868387 A CN 109868387A CN 201910216395 A CN201910216395 A CN 201910216395A CN 109868387 A CN109868387 A CN 109868387A
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- alloy
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- elevating lever
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Abstract
The invention discloses a kind of aluminium alloy preparation facilities.Described device is when in use first by TiH2Powder, aluminium powder and hydroboration titanium valve are uniformly mixed and are pressed into the second alloy prefabricated section；Boron powder, titanium valve and aluminium powder are pressed into the first alloy prefabricated section, and two kinds of blocks are placed or compressed together, after the first alloy prefabricated section that ignites, the second alloy prefabricated section is heated TiH2Powder and hydroboration titanium valve decompose simultaneously further occurrence self-propagating reaction, and final second alloy prefabricated section is interior to form tiny TiB by self-propagating reaction2The formation moment of particle, hydrogeneous titanium aluminum melt and hydrogen, hydrogen generates high pressure, by TiB2Particle and hydrogeneous titanium aluminum melt drop are sprayed into melt melted in advance, by degassing processing, after slagging-off, form Al-5%Ti-xB intermediate alloy.Described device can reduce TiB2 particle size, improve its disperse effect in intermediate alloy, while reduce the environmental pollution of fining agent preparation, and then improve the mechanical property of the aluminium alloy of preparation.
Description
Technical field
The present invention relates to the preparation facilities technical fields of aluminium alloy.
Background technique
Tiny cast aluminium alloy gold tissue can obtain excellent mechanical property, and usual casting alloy thinning method has addition
Fining agent, mechanical oscillation, ultrasonic wave, electromagnetic agitation, rapid cooling etc., addition fining agent and rapid cooling mainly pass through raising
Nucleation rate carrys out refining aluminum alloy tissue, and mechanical oscillation, ultrasonic wave and electromagnetic agitation are mainly the branch by being crushed in aluminium alloy
Crystalline substance carrys out thinning microstructure.
It is a kind of most important and most common alloy refinement method in aluminium alloy industrial production that aluminium alloy, which adds fining agent, often
It is rare earth element that the aluminium alloy fining agent seen, which has Al-Ti-B, Al-Ti-C, Al-Ti-B-C, Al-Ti-B-R(R) and Al-M-P (M
For metallic element) etc. intermediate alloys.Al-Ti-B is that fining agent is a kind of very important Master alloy refiners, is had good
Refinement effect, mainly pass through villiaumite reaction method, smelting process, electrolysis method, SHS process etc..Wherein villiaumite reaction method
It is most common method, but pollutes big, the TiB of formation2Particle is not easy to control.Smelting process and SHS process product
Quantity and the big feature of size Control difficulty.
Summary of the invention
The technical problem to be solved by the present invention is to how provide one kind to can reduce TiB2Particle size improves it in
Between disperse effect in alloy, while reducing the aluminium alloy preparation facilities of the environmental pollution of fining agent preparation.
In order to solve the above technical problems, the technical solution used in the present invention is: a kind of aluminium alloy preparation facilities, feature
Be: including furnace body, the intracorporal lower part of furnace is provided with melting kettle, and aluminum feedstock is provided in the melting kettle, described
Having heaters is arranged in the outside of melting kettle, and the heater is described molten for heating to the aluminum feedstock in melting kettle
Synthesis elevating lever is provided on furnace body on the upside of refining crucible, the upper end of the synthesis elevating lever is located at outside the furnace body, the liter
The lower end of drop bar is located in the furnace body, and the lower end of the elevating lever is provided with electric pulse device, the lower end of the electric pulse device
Be provided with ignitor, the synthesising container includes upper cover and lower cover, and the upper cover is fixedly connected with lower cover, and the upper cover with
Heat conduction baffle is provided between the lower cover, the placement that the first alloy prefabricated section is formed between heat conduction baffle and the upper cover is empty
Between, the first alloy prefabricated section, the heat conduction baffle and the lower cover are provided in the placement space of the first alloy prefabricated section
Between form the placement space of the second alloy prefabricated section, be provided with the second alloy in the placement space of the second alloy prefabricated section
Prefabricated section, the lower end of the ignitor extend in the first alloy prefabricated section placement space and with the first alloy prefabricated section
It contacts, is provided with several stirring flabellums on the lower lid, and be provided with jet port, the electric pulse on the lower lid of lower part
Protection cap is provided on synthesis elevating lever on the upside of device, the protection cap is used to cover the upper cover of the melting kettle.
Preferably, circumferentially shape is arranged on the periphery of the lower cover stirring flabellum.
A further technical solution lies in: exhaust outlet is provided on the furnace body.
A further technical solution lies in: vacuum orifice is provided on the furnace body.
A further technical solution lies in: the making material of the heat conduction baffle is tungsten, tantalum or graphite, is arranged thereon several
Aperture is for increasing thermal conductivity, and thickness is between 0.1mm-10mm.
A further technical solution lies in: it is provided with elevating lever driving device outside the furnace body, for driving the lifting
Bar carries out lifting and rotary motion.
The beneficial effects of adopting the technical scheme are that device and method of the present invention are first by TiH2
Powder, aluminium powder and hydroboration titanium valve are uniformly mixed and are pressed into the second alloy prefabricated section；Boron powder, titanium valve and aluminium powder are pressed into first
Alloy prefabricated section, and two kinds of blocks are placed or compressed together, after the first alloy prefabricated section that ignites, the second alloy prefabricated section
Heated TiH2Powder and hydroboration titanium valve decompose and further occurrence self-propagating reaction, by from climing in final second alloy prefabricated section
Prolong reaction and forms tiny TiB2The formation moment of particle, hydrogeneous titanium aluminum melt and hydrogen, hydrogen generates high pressure, by TiB2Particle and
Hydrogeneous titanium aluminum melt drop is sprayed into melt melted in advance, by degassing processing, after slagging-off, forms Al-5%Ti-
XB intermediate alloy.Described device and method can reduce TiB2 particle size, improve its disperse effect in intermediate alloy, together
When reduce the environmental pollution of fining agent preparation, and then improve the mechanical property of the aluminium alloy of preparation.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of described device of the embodiment of the present invention；
Fig. 2 is schematic diagram of the described device of embodiment of the present invention during preparing aluminium alloy；
Wherein: 1: synthesis elevating lever；2: furnace body, 3: protection cap, 4: electric pulse device, 5: ignitor, 6: upper cover, 7: it is thermally conductive every
Plate, 8: lower cover；9: stirring flabellum, 10: jet port, 11: heater；12: melt, 13: melting kettle, 14: exhaust outlet,
15: vacuum orifice, 16: the first alloy prefabricated sections, 17: the first alloy prefabricated sections.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
As shown in Figure 1, the embodiment of the invention discloses a kind of aluminium alloy preparation facilities, including furnace body 2, on the furnace body 2
It is provided with exhaust outlet 14, is easily vented by exhaust outlet to outside furnace body, it should be appreciated that be additionally provided on the exhaust outlet
Valve；It is provided with vacuum orifice 15 on the furnace body 2, the furnace body take out very by what the vacuum orifice can be convenient
Do-nothing operation.Lower part in the furnace body 2 is provided with melting kettle 13, and aluminum feedstock is provided in the melting kettle 13, described molten
Having heaters 11 is arranged in the outside for refining crucible 13, and the heater 11 is used to heat the aluminum feedstock in melting kettle 13,
Synthesis elevating lever 1 is provided on the furnace body 2 of 13 upside of melting kettle, the upper end of the synthesis elevating lever 1 is located at the furnace
Outside body 2, the lower end of the elevating lever 1 is located in the furnace body 2, and the lower end of the elevating lever is provided with electric pulse device 4, described
It is provided with elevating lever driving device outside furnace body 2, for easily driving the elevating lever to be gone up and down as needed and being rotated
Movement.
As shown in Figure 1, the lower end of the electric pulse device 4 is provided with ignitor 5, the synthesising container includes 6 He of upper cover
Lower cover 8, the upper cover 6 is fixedly connected with lower cover 8, and heat conduction baffle 7 is provided between the upper cover 6 and the lower cover 8, thermally conductive
The placement space of the first alloy prefabricated section 16, the placement of the first alloy prefabricated section 16 are formed between partition 7 and the upper cover 6
The first alloy prefabricated section 16 is provided in space；The second alloy prefabricated section 17 is formed between the heat conduction baffle 7 and the lower cover 8
Placement space, be provided with the second alloy prefabricated section 17 in the placement space of the second alloy prefabricated section 17；The electricity that ignites
The lower end of pole 5 extends in the first alloy prefabricated section placement space and contacts with the first alloy prefabricated section 16, the lower cover 8
On be provided with several stirring flabellums 9, and jet port 10 is provided on the lower cover 8 of lower part, it is preferred that the stirring flabellum
9 circumferentially shape be arranged on the periphery of the lower cover 8；Protection cap is provided on the synthesis elevating lever 1 of 4 upside of electric pulse device
3, the protection cap 3 is used to cover the upper cover of the melting kettle 13.
Further, the making material of the heat conduction baffle 7 is tungsten, tantalum or graphite, and several apertures are arranged thereon for increasing
Add thermal conductivity, thickness is between 0.1mm-10mm.
The embodiment of the invention also discloses a kind of aluminium alloy preparation methods, include the following steps:
It weighs boron powder and is mixed uniformly and is dried with titanium valve, uniformly mixed powder is pressed into the first alloy prefabricated section
16；
Weigh TiH2Powder, aluminium powder and hydroboration titanium valve are mixed uniformly and are dried, and uniformly mixed powder is pressed into
Second alloy prefabricated section 17；
First alloy prefabricated section 16 is placed into furnace body in the upper cover of synthesising container, the second alloy prefabricated section 17 is put into synthesis
In the lower cover 8 of container, and separated between the first alloy prefabricated section 16 and the second alloy prefabricated section 17 using heat conduction baffle 7；It will close
It tightens together at container upper cover 6 with synthesising container lower cover 8, is hung to igniting for synthesis 1 lower end of elevating lever in furnace body 2
On electrode, and contact ignitor directly with the first alloy prefabricated section；
Into the melting kettle 13 of furnace body, it is put into fine aluminium block, the heater 11 in 13 outside of starting melting kettle is heated to fine aluminium block,
Make its fusing；
Synthesising container is immersed in the melt 12 in melting kettle 13 by synthesizing elevating lever 1, as shown in Fig. 2, utilizing
Protection cap 3 on synthesis elevating lever covers melting kettle 13, while starting the electric pulse device 4 on the elevating lever, electric pulse device 4
It is ignited the first alloy prefabricated section 16 by ignitor 5, the first alloy prefabricated section 16 transfers heat to the second alloy prefabricated section
17, the TiH inside the fast reaction stage, the first alloy prefabricated section 172Powder and hydroboration titanium valve decompose to give off rapidly hydrogen, shape
At tiny nano titanium powder and boron powder, titanium valve and boron powder trigger self-propagating reaction at high temperature, form tiny TiB2Particle and
Boron particles；
Simultaneously under the instantaneous pressure of hydrogen, titanium aluminum melt carries TiB2Particle and boron particles are sprayed from the jet port on the lower lid
It injects in the melt in the crucible melted in advance, while starting the synthesis rotation of elevating lever 1 and carrying out stirring melt, make
Obtain TiB2Particle dispersion enters in melt；
It is vacuumized by the vacuum orifice 15 on furnace body to furnace body 2, constantly rotating the elevating lever revolves the stirring flabellum 9
Turn, in order to the discharge of hydrogen and the floating of waste residue, to vacustat 10-5After Pa, stops synthesis elevating lever 1 and moves,
Synthesising container is lifted into out melting kettle 13；
It is powered off to heater 11, so that melting kettle 13 quickly solidifies, takes out after to be solidified and closed among the Al-5%Ti-xB of preparation
Ingot removes the dross of upper surface, can prepare Al-5%Ti-xB intermediate alloy ingot.
Preferably, the molar ratio of boron powder and titanium valve is 2:1-2 in the first alloy prefabricated section；In the second alloy prefabricated section
TiH2The molar ratio of powder and hydroboration titanium valve is 1-2:2, and it is 5%-30% that aluminium powder, which accounts for molar ratio,.
To sum up, device and method of the present invention are first by TiH2Powder, aluminium powder and hydroboration titanium valve are uniformly mixed and suppress
At the second alloy prefabricated section；Boron powder, titanium valve and aluminium powder are pressed into the first alloy prefabricated section, and two kinds of blocks are placed or pressed
Together, after the first alloy prefabricated section that ignites, the second alloy prefabricated section is heated TiH system2Powder and the decomposition of hydroboration titanium valve go forward side by side one
Self-propagating reaction occurs for step, and final second alloy prefabricated section is interior to form tiny TiB by self-propagating reaction2Particle, hydrogeneous titanium aluminium
The formation moment of melt and hydrogen, hydrogen generates high pressure, by TiB2Particle and hydrogeneous titanium aluminum melt drop are sprayed to preparatory melting
In good melt, by degassing processing, after slagging-off, Al-5%Ti-xB intermediate alloy is formed.Described device and method can be with
Reduce TiB2 particle size, improve its disperse effect in intermediate alloy, while reducing the environmental pollution of fining agent preparation, into
And improve the mechanical property of the aluminium alloy of preparation.
Claims (6)
1. a kind of aluminium alloy preparation facilities, it is characterised in that: including furnace body (2), the lower part in the furnace body (2) is provided with melting
Crucible (13), the melting kettle (13) is interior to be provided with aluminum feedstock, and having heaters is arranged in the outside of the melting kettle (13)
(11), the heater (11) is for heating the aluminum feedstock in melting kettle (13), on the upside of the melting kettle (13)
Furnace body (2) on be provided with synthesis elevating lever (1), it is described synthesis elevating lever (1) upper end be located at the furnace body (2) outside, it is described
The lower end of elevating lever (1) is located in the furnace body (2), and the lower end of the elevating lever is provided with electric pulse device (4), the electricity arteries and veins
The lower end for rushing device (4) is provided with ignitor (5), and the synthesising container includes upper cover (6) and lower cover (8), the upper cover (6) with
Lower cover (8) is fixedly connected, and heat conduction baffle (7) are provided between the upper cover (6) and the lower cover (8), heat conduction baffle (7) with
The placement space of the first alloy prefabricated section (16), the placement of the first alloy prefabricated section (16) are formed between the upper cover (6)
The first alloy prefabricated section (16) is provided in space, it is pre- to form the second alloy between the heat conduction baffle (7) and the lower cover (8)
The placement space of clamp dog (17) is provided with the second alloy prefabricated section in the placement space of the second alloy prefabricated section (17)
(17), the lower end of the ignitor (5) extends in the first alloy prefabricated section placement space and prefabricated with first alloy
Block (16) contacts, and is provided with several stirring flabellums (9) on the lower cover (8), and be provided with spray on the lower cover (8) of lower part
Loophole (10) is provided with protection cap (3) on the synthesis elevating lever (1) on the upside of the electric pulse device (4), and the protection cap (3) is used
In the upper cover for covering the melting kettle (13).
2. aluminium alloy preparation facilities as described in claim 1, it is characterised in that: circumferentially shape is arranged the stirring flabellum (9)
On the periphery of the lower cover (8).
3. aluminium alloy preparation facilities as described in claim 1, it is characterised in that: be provided with exhaust outlet on the furnace body (2)
(14).
4. aluminium alloy preparation facilities as described in claim 1, it is characterised in that: be provided with vacuum orifice on the furnace body (2)
(15).
5. aluminium alloy preparation facilities as described in claim 1, it is characterised in that: the making material of the heat conduction baffle (7) is
Several apertures are arranged for increasing thermal conductivity in tungsten, tantalum or graphite thereon, and thickness is between 0.1mm-10mm.
6. aluminium alloy preparation facilities as described in claim 1, it is characterised in that: be provided with elevating lever drive outside the furnace body (2)
Dynamic device, for driving the elevating lever to carry out lifting and rotary motion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216395.1A CN109868387B (en) | 2019-03-21 | 2019-03-21 | Aluminum alloy preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216395.1A CN109868387B (en) | 2019-03-21 | 2019-03-21 | Aluminum alloy preparation facilities |
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| CN109868387A true CN109868387A (en) | 2019-06-11 |
| CN109868387B CN109868387B (en) | 2020-10-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990002211A1 (en) * | 1988-08-18 | 1990-03-08 | Martin Marietta Corporation | Ultrahigh strength al-cu-li-mg alloys |
| CN1789448A (en) * | 2005-11-28 | 2006-06-21 | 大连理工大学 | Grain refiner for synthesis of aluminium alloy by laser ignited self-propagation and method for preparing the same |
| RU2009131438A (en) * | 2009-08-18 | 2011-02-27 | Государственное образовательное учреждение высшего профессионального образования Самарский государственный технический университе | METHOD FOR PRODUCING TITANIUM ALUMINUM-CARBIDE CASTING COMPOSITION ALLOY |
| CN108660332A (en) * | 2018-04-11 | 2018-10-16 | 上海交通大学 | The preparation method of in-situ Al-base composition |
-
2019
- 2019-03-21 CN CN201910216395.1A patent/CN109868387B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990002211A1 (en) * | 1988-08-18 | 1990-03-08 | Martin Marietta Corporation | Ultrahigh strength al-cu-li-mg alloys |
| CN1789448A (en) * | 2005-11-28 | 2006-06-21 | 大连理工大学 | Grain refiner for synthesis of aluminium alloy by laser ignited self-propagation and method for preparing the same |
| RU2009131438A (en) * | 2009-08-18 | 2011-02-27 | Государственное образовательное учреждение высшего профессионального образования Самарский государственный технический университе | METHOD FOR PRODUCING TITANIUM ALUMINUM-CARBIDE CASTING COMPOSITION ALLOY |
| CN108660332A (en) * | 2018-04-11 | 2018-10-16 | 上海交通大学 | The preparation method of in-situ Al-base composition |
Non-Patent Citations (1)
| Title |
|---|
| 李贺等: "高温熔体反应法制备Al-Ti-B细化剂", 《材料工程》 * |
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Effective date of registration: 20200916 Address after: No.319 Xingyuan Road, LinlU Industrial Park, Fuyang City, Anhui Province Applicant after: Anhui Kunyuan Aluminum Co.,Ltd. Address before: 050000 Unit 602, Building 40, Unit 3, 416 Huaibei Road, Yuhua District, Shijiazhuang City, Hebei Province Applicant before: Meng Jing |
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