CN205241766U - Bulky high alloy aluminum alloy fuse -element processing apparatus - Google Patents
Bulky high alloy aluminum alloy fuse -element processing apparatus Download PDFInfo
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- CN205241766U CN205241766U CN201521130792.0U CN201521130792U CN205241766U CN 205241766 U CN205241766 U CN 205241766U CN 201521130792 U CN201521130792 U CN 201521130792U CN 205241766 U CN205241766 U CN 205241766U
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- crucible
- melt treatment
- fuse
- aluminium alloy
- melt
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Abstract
The utility model relates to a bulky high alloy aluminum alloy fuse -element processing apparatus belongs to metal material processing field. The device mainly handles crucible, combined type electromagnetism module, multidimension degree machinery turbulator and control by temperature change unit by the fuse -element and forms, and the bottom and the periphery of handling the crucible at the fuse -element is installed to combined type electromagnetism module, and multidimension degree machinery turbulator is installed in the crucible is handled to the fuse -element, and the top and the bottom of handling the crucible at the fuse -element is installed to the control by temperature change unit. The utility model discloses guaranteeing to realize whole macroscopic convection and local microcosmic turbulent flow while coupling under the bath surface stable condition, reduce the fuse -element temperature field and become the gradient of another arena in each dimension, the accurate control fuse -element solidifies the tissue, can prepare big high specification alloying aluminum alloy ingot casting or the foundry goods of being organized tiny composition even, and mechanical turbulator leaves inert gas effect passageway, realizes automatic degasification slagging -off at the fuse -element processing procedure, improves the fuse -element treatment effeciency, practices thrift the cost.
Description
Technical field
The utility model belongs to metal material processing field, particularly a kind of large volume high-alloying aluminium alloy melt placeReason device and method.
Background technology
Aluminium alloy becomes the lightweight knot of Aero-Space, track traffic and automobile and other industries first-selection with its good characteristicStructure material, consumption is very large. Along with the lifting of manufacturing industry equipment capability, large-scale transport rocket, high function fighters, bullet train, newThe aluminium alloy capability of the high-end equipment Requirement such as energy automobile is more and more diversified, and Integrated using performance is also more and more higher, and aluminium closesThe raising of gold performance must be accompanied by the lifting of adding of specific alloy element and host element content. High-alloying aluminium alloy materialThe material problems such as alloy element component segregation, easy to crack, tissue odds is even that invariably accompany in preparation process, especially for large volumeMelt solidifying moulding problem is more outstanding, and therefore large volume high-alloying aluminium alloy material requires very tight to metallurgical qualityLattice. Domestic conventional aluminium alloy melt processing means are difficult to meet the requirement of high-alloying aluminium alloy to metallurgical quality, close mutuallyThe gold dependence on import of having to.
It is alloying elements distribution uniformity in melt that large volume high-alloying aluminium alloy material is prepared difficult main causeControl the oxide inclusion difficult, component segregation brings and control difficulty, the large volume Melt Temperature Homogeneity control difficulty of hydrogen contentDeng three aspects. Traditional melt treating method be only before alloy material preparation or in preparation process, adopt certain degasification withFiltration means are controlled inclusion content in aluminium alloy and hydrogen content, cannot fundamentally meet high-alloying aluminium alloy pairThe requirement of melt metallurgical quality.
In order to improve aluminium alloy melt metallurgical quality, many Chinese scholars have all been carried out long-term research. AlcoaThe rotation ejection inert gas method of swimming of the Alcoa469 method of company's exploitation and the exploitation of U.S. combinating carbide company is all profitHydrogen in dividing potential drop official post aluminum melt with hydrogen in aluminum melt and bubble floats and overflows, thereby reaches the object of dehydrogenation, but alsoDo not relate to crucial bath composition field and the uniformity in temperature field. Chinese patent CN00127937 and CN200510026593 carryThe method of the purifying aluminium alloy melt going out, mainly lays particular emphasis on the filtration of oxide and slag inclusion thing in alloy melt, reduce moltenWhen body hydrogen content, reduce content and the size of slag inclusion thing, do not relate to equally the equal of crucial bath composition field and temperature fieldEven property. Above-mentioned melt treating method has certain effect to common low alloying purifying aluminium alloy melt tool, but large for improvingVolume high-alloying aluminium alloy melt quality, its effect is just very faint.
Utility model content
For above problem, the purpose of this utility model is to provide a kind of large volume high-alloying aluminium alloy melt treatment dressPut and method. These apparatus and method take full advantage of energy high density and the spatter property and superior that Combined type electric magnetic field hasResponse and controllability, simultaneously by the ingehious design of various dimensions machinery turbulator, melt flows present macroscopic convection andThe state that local turbulent flow coexists, the stirring action that melt is subject to is more abundant, thus He Cheng branch, temperature field is at whole meltIn volume, distribute more even; In turbulent system, passing into of inert gas increased the degasification of melt slag removing function simultaneously.
A kind of large volume high-alloying aluminium alloy melt treatment device, this device is mainly by melt treatment crucible, combined typeElectromagnetic module, various dimensions machinery turbulator and temperature conditioning unit composition, described combined electromagnetic module is arranged on melt treatment earthenwareThe bottom of crucible and periphery, described various dimensions machinery turbulator is arranged in melt treatment crucible, and described temperature conditioning unit is installedIn top and the bottom of melt treatment crucible.
In this device, core apparatus is combined electromagnetic module, various dimensions machinery turbulator and temperature conditioning unit. Combined typeElectromagnetic module is mainly made up of bottom magnetic field generator and Circumferential field generator, described bottom magnetic field generator and circumferentially magneticField generator is arranged on respectively bottom and the periphery of melt treatment crucible; Various dimensions machinery turbulator is mainly by movable channelBar, turbulent rotor and plenum system composition, described turbulent rotor is arranged on movable channel bar; Temperature conditioning unit is mainly by pushing upPortion's temperature control system, bottom temperature control system and temperature detection regulating system form.
Top temperature control system is Elema heater, realizes top heating by Elema, and described Elema is installedIn the top of melt treatment crucible temperature control lid; Bottom temperature control system is thermal resistance heater, taking High Efficiency Thermal resistance as thermal source;Temperature detection regulating system comprises temperature sensor and temperature control PLC module, is connected with bottom temperature control system with top temperature control systemConnect, by melt temperature in temperature detection regulating system Real-Time Monitoring and adjusting crucible, temperature conditioning unit is by regulating crucible topThe magnitude of current in Elema and Base Heat resistance is accurately controlled alloy melt temperature.
In combined electromagnetic module, bottom magnetic field generator is traveling-wave magnetic field generator or pulsed magnetic generator; WeekBe vertical rotary magnetic field generator or horizontally rotate magnetic field generator to magnetic field generator.
Movable channel bar inside is hollow, on described turbulent rotor, pore is set, and plenum system is by removable logicalThe inside of road bar and turbulent epitrochanterian pore are supplied gas, and inert gas is passed into melt inside, realize the degasification slagging-off of melt. CanMovable passageway bar is arranged on the top of melt treatment crucible, is connected with the peripheral mechanical device of body of heater, can realize rotation and levelMobile. Various dimensions machinery turbulator can be a set of or overlap more, and in running, self rotation simultaneously also can be by retaining railMark translation, turbulent rotor can have multiple project organization.
The capacity of large volume melt treatment crucible is 500～5000Kg, and crucible is shaped as hexahedron or cylindrical.Large volume melt treatment crucible is connected with automatic mechanical system, by the movement of automatic mechanical system control melt treatment crucible andOther actions.
Top at melt treatment crucible inwall is provided with deslagging device, for filter float on bath surface oxide andField trash etc.
The liquid form of melt is mainly controlled by combined electromagnetic module and various dimensions machinery turbulator, realizes and processingThe turbulent state of effect simultaneously of macroscopic convection and part under alloy melt surface-stable condition in journey.
Carry out the method for large volume high-alloying aluminium alloy melt treatment based on said apparatus, comprise the steps: to pass throughTemperature conditioning unit regulates the treatment temperature of aluminium alloy melt in melt treatment crucible, after temperature reaches necessary requirement, opens simultaneouslyBottom and circumferential magnetic field generator carry out the magnetic treatment of three-dimensional Combined type electric, then the mechanical turbulator of preheating are screwed in moltenBody, the speed that mechanical turbulator screws in melt is preferably 50～100r/min, and the degree of depth that screws in melt is preferably apart from crucible bottom10～20cm position, makes it in melt treatment crucible, in rotation, carry out translation by default track, passes into indifferent gas simultaneouslyBody alloy melt carries out degasification slagging-off to be processed; Impel alloy melt by composite high-density magnetic field and various dimensions machinery turbulent flowUnder surface-stable condition, macroscopic convection and the local turbulent flow state of effect simultaneously, make to have in the whole volume range of meltHe Cheng branch, temperature field uniformly; Pending completing, is used mechanical deslagging device to filter out the oxide that floats on bath surfaceAnd field trash, then melt is carried out to moulding by continuous casting, compression casting or other modes.
Compared with prior art, advantage of the present utility model:
(1) compared with traditional melt treatment mode, because the utility model has adopted bottom and circumferential Combined type electricMagnetic treatment, makes melt produce strong disturbance, and the effect that is simultaneously aided with various dimensions machinery turbulator can make melt macroscopic view and localAspect all produces regular convection current, makes stirring action more abundant, Temperature Field in Melt with become branch can not have ladder along each dimensionDegree, realizes the accurate control of alloy melt solidifying tissue, obtains tiny uniform solidified structure, finally prepares high-quality aluminumAlloy material.
(2), compared with traditional online processing, due to the introducing of two heating systems, make temperature control in melt treatment crucibleMore accurate, can effective guarantee pouring temperature stablize; Can also non-involvement when simultaneously mechanical turbulator is strengthened melt convection newGas, and in melt treatment process, realize automatic degasification slagging-off, improved melt treatment efficiency, cost-saving.
(3) can effectively solve alloying element gross mass exceed 5% or alloying element atomic weight and aluminium atom differ greatlyThe component segregation problem that exists of high-alloying aluminium alloy melt, greatly reduce the preparation difficulty of subsequent product.
Brief description of the drawings
Fig. 1 is large volume high-alloying aluminium alloy melt treatment device schematic diagram.
Main description of reference numerals:
1 melt treatment crucible 2 top temperature control lids
3 Elema 4 movable channel bars
5 alloy melt 6 deslagging devices
7 Circumferential field generator 8 thermal resistances
The turbulent rotor of 9 bottom magnetic field generator 10
Detailed description of the invention
As shown in Figure 1, large volume high-alloying aluminium alloy melt treatment device of the present utility model, is mainly melted by large volumeBody is processed crucible 1, combined electromagnetic module, various dimensions machinery turbulator and temperature conditioning unit composition, and combined electromagnetic module is installedThe bottom of melt treatment crucible 1 and periphery (around), various dimensions machinery turbulator is arranged on melt treatment crucible 1 inside, temperatureControl cellular installation is in top and the bottom of melt treatment crucible 1.
In this device, combined electromagnetic module is mainly made up of bottom magnetic field generator 9 and Circumferential field generator 7;Bottom magnetic field generator 9 and Circumferential field generator 7 are arranged on respectively bottom and the periphery of melt treatment crucible 1; Magnetic field, bottomGenerator 9 is traveling-wave magnetic field generator or pulsed magnetic generator; Circumferential field generator 7 is vertical rotary magnetic field generatorOr horizontally rotate magnetic field generator.
Various dimensions machinery turbulator is mainly made up of movable channel bar 4, turbulent rotor 10 and plenum system; Turbulent flow rotor10 are arranged on movable channel bar 4, and movable channel bar 4 is arranged on the top of melt treatment crucible 1, enters by control deviceRow rotation and moving horizontally; Movable channel bar 4 inside are hollow structure, on turbulent rotor 10, pore are set, and plenum system is logicalThe pore of crossing on inside and the turbulent rotor 10 of movable channel bar 4 is supplied gas, and the degasification slag removing function of melt is led to by plenum systemThe inert gas entering is realized. Various dimensions machinery turbulator can be a set of or overlap more, self rotates same in runningTime also can be by fixation locus translation, turbulent rotor 10 can have multiple project organization.
Temperature conditioning unit is mainly made up of top temperature control system, bottom temperature control system and temperature detection regulating system. Top temperatureControl system is that Elema 3 heats, and realizes top heating by Elema 3, and Elema 3 is arranged on the top of melt treatment crucible 1In temperature control lid 2; Bottom temperature control system is that thermal resistance 8 heats, and taking High Efficiency Thermal resistance 8 as thermal source, thermal resistance 8 is positioned at melt treatment earthenwareThe bottom of crucible 1. Temperature detection regulating system comprises temperature sensor and temperature control PLC module, with top temperature control system and bottom temperatureControl system is connected. By melt temperature in temperature conditioning unit Real-Time Monitoring crucible, temperature conditioning unit is by regulating crucible top silicon-carbonThe magnitude of current in rod 3 and Base Heat resistance 8 is accurately controlled alloy melt 5 temperature.
Large volume melt treatment crucible 1 aluminium alloy melt capacity is 500～5000Kg, and crucible stereochemical structure can be sixThe bodily form or cylindrical. Large volume melt treatment crucible 1 moves by automatic mechanical system control.
Deslagging device 6 is arranged at the top of melt treatment crucible 1 inwall, for filtering the oxide that floats on bath surfaceAnd field trash etc.
While adopting device of the present utility model to process aluminium alloy melt, first the aluminium alloy after fusing is poured into melt treatment earthenwareIn crucible 1, regulate the magnitude of current in Elema 3 and Base Heat resistance 8 in top temperature control lid 2 accurately to control place by attemperating unitThe temperature of alloy melt 5 in reason chamber; When reaching after temperature required, alloy melt 5 opens crucible bottom magnetic field generator 9 Hes simultaneouslyCircumferential field generator 7, then, by being preheating to one or more sets mechanical turbulent devices of uniform temperature, comprises movable channel bar4 and turbulent rotor 10, screw in alloy melt 5, keep fixed rotating speed after rotor arrives certain depth time at process chamberIn carry out translation by default track, pass into inert gas alloy melt 5 simultaneously and process; By composite high-density magnetic fieldImpel alloy melt 5 to produce special flowing law with various dimensions machinery turbulent flow, realize large volume melt macroscopic view and simultaneously localEffect, obtains He Cheng branch, uniform temperature field in the whole volume range of melt; After completing, melt treatment fills by mechanical deslaggingPut 6 taking-up top layer oxidizing slag and field trashes, by alloy melt 5 after treatment by semi-continuous casting, compression casting or other sideFormula is carried out moulding.
Embodiment 1
Adopt square large volume high-alloying aluminium alloy melt device to process 2000Kg7055 ultra-high-strength aluminum alloy melt,The melt of handling is prepared the thin brilliant homogeneous ingot casting of Φ 582 specifications by semi-continuous casting.
First 7055 alloy melts after fusing are poured in rectangle melt treatment chamber, by temperature control in 770～790 DEG CMelt temperature in device Real-Time Monitoring crucible, by regulating the magnitude of current in top Elema 3 and Base Heat resistance 8, i.e. heatingAccurately control the temperature of 7055 alloy melts in process chamber with temperature retention time; It is same after alloy melt 5 reaches 755～760 DEG CThe circumferential vertical rotary magnetic field generator of Shi Kaiqi cavity bottom traveling-wave magnetic field generator and cavity, field supply is 200A, frequencyFor 10Hz; Then high purity graphite movable channel bar 4 and turbulent rotor 10 in the turbulent device of 3 cover machinery are preheating to 700 DEG C againScrew in alloy melt 5 with the speed of 50～100r/min, keep after cavity bottom 100～120mm degree of depth when rotor arrives320r/min fixed rotating speed, carries out translation by default square wave track simultaneously in process chamber, traversal melt level face; Melt placeAfter having managed, take out top layer oxidizing slag and field trash by mechanical deslagging device, by 7055 alloy melts after treatment by partly connectingΦ 582 specification alloy cast ingot preparations are carried out in continuous casting.
Obtain 760 DEG C of melt hydrogen contents of 2000Kg7055 alloy at 0.055ml/100g, far beyond national standard requirementLevel; Φ 582 size ingot-casting fine microstructures are even simultaneously, are less than 8%, average crystal grain chi from limit portion to heart portion crystallite dimension deviationVery little nothing is implemented melt treatment and has been reduced 50%, and the component segregation of ingot casting greatly reduces, and alloying element content deviation is less than 5%.
Embodiment 2
Adopting cylindrical large volume high-alloying aluminium alloy melt device to process 1000Kg low pressure casting ZL101A-1 closesGold melt, the melt of handling is prepared 22 inches of specification automotive hubs by low pressure casting.
First the ZL101A-1 alloy melt after fusing is poured in cylindrical melt treatment chamber in 750～760 DEG C, logicalCross melt temperature in attemperating unit Real-Time Monitoring crucible, by regulating the magnitude of current in top Elema 3 and Base Heat resistance 8,Heating and temperature retention time are accurately controlled the temperature of ZL101A-1 alloy melt in process chamber; When alloy melt 5 reach 740～After 750 DEG C, open the circumferential vertical rotary magnetic field generator of cavity bottom pulsed magnetic generator and cavity, field supply is simultaneously150A, frequency is 20Hz; Then high purity graphite movable channel bar and turbulent rotor in the turbulent device of 2 cover machinery are preheating to700 DEG C screw in alloy melt 5, when rotor arrives apart from cavity bottom 180～200mm degree of depth with the speed of 50～100r/min againRear maintenance 260r/min fixed rotating speed, carries out translation by default circular path simultaneously in process chamber, traversal melt level face; MoltenBody takes out top layer oxidizing slag and field trash by mechanical deslagging device after finishing dealing with, by alloy melt 5 after treatment in 4hCarry out 22 inches of specification ZL101A-1 alloy automobile wheel hub preparations by low pressure casting.
750 DEG C of melt hydrogen contents of 1000KgZL101A-1 alloy after treatment, at 0.090ml/100g, exceed country far awayStandard-required level; 22 inches of scale aluminium alloy wheel hub casting billet surfaces are clean and tidy simultaneously, mildew, slight compared with common process modeThe defect such as crackle and foreign impurity disappears, the secondary that pinhole rate specifies much smaller than JB/T7946.3, and as cast condition mechanical property obtainsImprove, yield strength reaches 240MPa, and tensile strength reaches 320MPa, and percentage elongation is 9%.
The utility model is under real time temperature monitoring system, and temperature conditioning unit is by regulating top Elema and Base Heat resistanceThe interior magnitude of current is accurately controlled alloy melt temperature; Under the effect of three-dimensional composite electromagnetic module, make full use of electromagnetic energy simultaneouslyThe high density of amount produces strong disturbance in melt, promotes alloy melt to become the uniformity in branch and temperature field; Pass through againMove horizontally the High Rotation Speed of turbulent rotor in process, ensure to realize integral macroscopic convection current with local under bath surface stable conditionThe coupling simultaneously of microcosmic turbulent flow, reduces Temperature Field in Melt and the gradient that becomes branch in each dimension, accurately controls melt solidifying groupKnit, finally prepare fine microstructures composition large alloyed aluminium-alloy ingot casting with a high standard or foundry goods uniformly; And machinery turbulent flowDevice leaves inert gas effect passage, in the automatic degasification slagging-off of melt treatment process implementation, improves melt treatment efficiency, saves intoThis.
Claims (9)
1. a large volume high-alloying aluminium alloy melt treatment device, is characterized in that: this device is mainly by melt treatment earthenwareCrucible, combined electromagnetic module, various dimensions machinery turbulator and temperature conditioning unit composition, described combined electromagnetic module is arranged on moltenBody is processed bottom and the periphery of crucible, and described various dimensions machinery turbulator is arranged in melt treatment crucible, described temperature controlCellular installation is in top and the bottom of melt treatment crucible.
2. large volume high-alloying aluminium alloy melt treatment device according to claim 1, is characterized in that: described answersBox-like electromagnetic module is mainly made up of bottom magnetic field generator and Circumferential field generator, described bottom magnetic field generator and weekBe arranged on respectively bottom and the periphery of melt treatment crucible to magnetic field generator; Described various dimensions machinery turbulator is mainly by canMovable passageway bar, turbulent rotor and plenum system composition, described turbulent rotor is arranged on movable channel bar; Described temperatureControl unit is mainly made up of top temperature control system, bottom temperature control system and temperature detection regulating system.
3. large volume high-alloying aluminium alloy melt treatment device according to claim 2, is characterized in that: described topPortion's temperature control system is Elema heater, and described Elema is arranged in the top temperature control lid of melt treatment crucible; DescribedBottom temperature control system be thermal resistance heater.
4. large volume high-alloying aluminium alloy melt treatment device according to claim 2, is characterized in that: the described endPortion's magnetic field generator is traveling-wave magnetic field generator or pulsed magnetic generator; Described Circumferential field generator is vertical rotaryMagnetic field generator or horizontally rotate magnetic field generator.
5. large volume high-alloying aluminium alloy melt treatment device according to claim 2, is characterized in that: described canMovable passageway bar inside is hollow, on described turbulent rotor, pore is set, and plenum system is by the inside of movable channel barWith the epitrochanterian pore of turbulent flow, inert gas is passed into melt inside.
6. large volume high-alloying aluminium alloy melt treatment device according to claim 2, is characterized in that: described is manyDimension machinery turbulator is a set of or overlaps more, presses fixation locus translation when self rotates in running.
7. large volume high-alloying aluminium alloy melt treatment device according to claim 1, is characterized in that: described is moltenThe capacity that body is processed crucible is 500～5000Kg, and crucible is shaped as hexahedron or cylindrical.
8. large volume high-alloying aluminium alloy melt treatment device according to claim 1, is characterized in that: described is moltenBody is processed crucible and is connected with automatic mechanical system, by the action of automatic mechanical system control melt treatment crucible.
9. large volume high-alloying aluminium alloy melt treatment device according to claim 1, is characterized in that: described is moltenThe top that body is processed crucible inwall is provided with deslagging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130792.0U CN205241766U (en) | 2015-12-30 | 2015-12-30 | Bulky high alloy aluminum alloy fuse -element processing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130792.0U CN205241766U (en) | 2015-12-30 | 2015-12-30 | Bulky high alloy aluminum alloy fuse -element processing apparatus |
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| CN205241766U true CN205241766U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521130792.0U Withdrawn - After Issue CN205241766U (en) | 2015-12-30 | 2015-12-30 | Bulky high alloy aluminum alloy fuse -element processing apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041004A (en) * | 2016-08-18 | 2016-10-26 | 天津爱田汽车部件有限公司 | Aluminum alloy production equipment |
| CN106929699A (en) * | 2015-12-30 | 2017-07-07 | 北京有色金属研究总院 | A kind of large volume high-alloying aluminium alloy melt treatment device and method |
| CN108097925A (en) * | 2017-12-15 | 2018-06-01 | 中国兵器工业第五九研究所 | A kind of aluminium alloy castings compound outfield intervenes solidified structure control method |
-
2015
- 2015-12-30 CN CN201521130792.0U patent/CN205241766U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106929699A (en) * | 2015-12-30 | 2017-07-07 | 北京有色金属研究总院 | A kind of large volume high-alloying aluminium alloy melt treatment device and method |
| CN106929699B (en) * | 2015-12-30 | 2018-07-27 | 北京有色金属研究总院 | A kind of large volume high-alloying aluminium alloy melt treatment device and method |
| CN106041004A (en) * | 2016-08-18 | 2016-10-26 | 天津爱田汽车部件有限公司 | Aluminum alloy production equipment |
| CN108097925A (en) * | 2017-12-15 | 2018-06-01 | 中国兵器工业第五九研究所 | A kind of aluminium alloy castings compound outfield intervenes solidified structure control method |
| CN108097925B (en) * | 2017-12-15 | 2019-09-10 | 中国兵器工业第五九研究所 | A kind of aluminium alloy castings compound outfield intervention solidified structure control method |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160518 Effective date of abandoning: 20180727 |
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| AV01 | Patent right actively abandoned |