CN109986039A - A kind of chute melt Electromagnetic Treatment device and its treatment process - Google Patents
A kind of chute melt Electromagnetic Treatment device and its treatment process Download PDFInfo
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- CN109986039A CN109986039A CN201910410478.4A CN201910410478A CN109986039A CN 109986039 A CN109986039 A CN 109986039A CN 201910410478 A CN201910410478 A CN 201910410478A CN 109986039 A CN109986039 A CN 109986039A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000008569 process Effects 0.000 title claims abstract description 11
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 38
- 238000005266 casting Methods 0.000 claims abstract description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000013078 crystal Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000011819 refractory material Substances 0.000 claims abstract description 4
- 230000005672 electromagnetic field Effects 0.000 claims description 12
- 239000000155 melt Substances 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 238000003723 Smelting Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 6
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 238000007872 degassing Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000004615 ingredient Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 10
- 238000009749 continuous casting Methods 0.000 abstract description 4
- 238000013019 agitation Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000010425 asbestos Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000001787 dendrite Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000006025 fining agent Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/114—Treating the molten metal by using agitating or vibrating means
- B22D11/115—Treating the molten metal by using agitating or vibrating means by using magnetic fields
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
Abstract
The invention belongs to aluminum alloy semi-continuous casting technical fields, it is related to a kind of chute melt Electromagnetic Treatment device and its treatment process, including clamshell made of suppressing by heat-insulated material and uniformly it is fixedly mounted on several electromagnetic induction coils on clamshell inner wall, when inputting alternating current in electromagnetic induction coil, uniform axial alternating magnetic field is generated inside electromagnetic coil, electromagnetic induction coil is formed by copper tube coiling, lead to recirculated water inside copper tube to be cooled down, lower part on the inside of clamshell is fixedly installed with bottom plate made of refractory material casting and two pieces of chute baffles being fixedly mounted on bottom plate, it solves in the prior art by using addition alterant, casting process optimization, the control methods such as melt electromagnetic agitation processing refine crystal grain in furnace, not the problem of mechanical property of final ingot casting is not able to satisfy ingot material performance requirement.
Description
Technical field
The invention belongs to aluminum alloy semi-continuous casting technical field, it is related to a kind of chute melt Electromagnetic Treatment device and its place
Science and engineering skill.
Background technique
, usually there is crystal grain ruler in the ingot casting that aluminium alloy is mainly produced using traditional semi-continuous casting method in the prior art
It is very little coarse, the problems such as nonuniform organization, casting flaw is obvious, and ingot quality is poor.Due to metal solidified structure largely
On determine its mechanical performance, therefore ingot casting crystal grain refinement can effectively improve the mechanical property of ingot casting.It is main in the prior art
Have: addition alterant, casting process optimization, the methods of melt electromagnetic agitation processing refines crystal grain in furnace, improves the power of ingot casting
Learn performance.But the increasingly promotion with high-end product to material quality requirement proposes higher want to the degree of refinement of crystal grain
It asks, current control method has been unable to satisfy the requirement of material property.
Summary of the invention
In view of this, the present invention is in order to solve in the prior art by using addition alterant, casting process optimization, in furnace
The control methods such as melt electromagnetic agitation processing refine crystal grain, and the mechanical property of final ingot casting is not able to satisfy ingot material performance and wants
The problem of asking provides a kind of chute melt Electromagnetic Treatment device and its treatment process.
In order to achieve the above objectives, the present invention provides a kind of chute melt Electromagnetic Treatment device, including passes through heat-insulated material pressure
Clamshell made of system and several electromagnetic induction coils being uniformly fixedly mounted on clamshell inner wall, when defeated in electromagnetic induction coil
Uniform axial alternating magnetic field is generated when entering alternating current, inside electromagnetic coil, electromagnetic induction coil is formed by copper tube coiling,
Lead to recirculated water inside copper tube to be cooled down, the lower part on the inside of clamshell is fixedly installed with bottom plate made of refractory material casting and two
Block is fixedly mounted on the chute baffle on bottom plate.
The beneficial effect of this base case is: clamshell is used to protect the chute in clamshell, prevents high-temperature fusant in chute
Operator is scalded, passes through input (low frequency) alternating current in electromagnetic induction coil, generation is uniform inside electromagnetic coil axially hands over
Varying magnetic field, alternating electromagnetism field characteristic generates instantaneous high-energy and heat and penetrates into the melt in chute, to melt-spun nucleus
Formation provide advantageous condition, and then promote dendrite broken, the nucleus and broken dendrite to fall off passes through axis direction
Electromagnetism force vector is free to be entered in melt, to promote nucleation rate, plays the role of refining crystal grain well.In addition,
Leading to cooling water inside hollow copper tube is with balance or the cooling coil temperature to run well.
Further, the bottom of clamshell is fixedly installed with the support frame for being used to support clamshell, and the bottom of support frame is fixedly mounted
There is hydraulic elevating platform, the bottom of hydraulic elevating platform is fixedly installed with hydraulic base, and the four corners of hydraulic base are equipped with rolling
Wheel.The utility model has the advantages that the idler wheel below hydraulic base can facilitate the movement of whole device on hydraulic base and hydraulic base.Liquid
Pressure hoistable platform can adjust the height of chute in entire clamshell and clamshell, so adapt to different height smelting furnace fire door and
Sow (channel).
Further, support frame is in groove-like, and the number of electromagnetic induction coil is 8.The utility model has the advantages that the support frame of groove-like
Good to the support effect of clamshell, 8 electromagnetic induction coils can facilitate different melt flow to select.
Further, the trapezoidal shape in section that chute baffle and bottom plate are formed.
Further, brake block is installed on idler wheel.The utility model has the advantages that passing through idler wheel for entire chute melt Electromagnetic Treatment device
After being moved to suitable position, it can be fixed by brake block.
A kind for the treatment of process using chute melt Electromagnetic Treatment device, comprising the following steps:
A, one end of chute baffle is connected on the fire door of smelting furnace, the other end of chute baffle is connected to sow (channel)
On；
B, each electromagnetic induction coil being separately connected alternating current, the groove that chute baffle and bottom plate are formed is chute,
Number is opened according to melt flow regulation alternating current in chute, when melt flow is less than 500ml/s, with 4 electromagnetic induction lines
Circle processing；When melt flow is greater than 500ml/s, handled with 8 electromagnetic induction coils, while according to different-alloy ingredient and stream
Slot uninterrupted adjusts alternating magnetic field parameter, and field waveform includes square wave field, sine wave magnetic field, triangle in alternating magnetic field parameter
Wave magnetic field, field supply are less than 300A, and for field supply pulsewidth less than 100%, field frequency is less than 50Hz, and magnetic field strength is less than
500mT；
C, the melt led in recirculated water convective tank and chute inside copper tube is cooled down, is made according to alternating electromagnetic field
It is 0~100mL/s with melt temperature control water flow in time and chute；
D, melt successively passes through degasification, filtering, crystallization, cooling after alternating electromagnetic field processing, and it is thin to obtain even tissue, crystal grain
The high quality ingot casting of change.
A kind for the treatment of process using chute melt Electromagnetic Treatment device, comprising the following steps:
A, the both ends of chute baffle are connected on sow (channel)；
B, each electromagnetic induction coil being separately connected alternating current, the groove that chute baffle and bottom plate are formed is chute,
Number is opened according to melt flow regulation alternating current in chute, when melt flow is less than 500ml/s, with 4 electromagnetic induction lines
Circle processing；When melt flow is greater than 500ml/s, handled with 8 electromagnetic induction coils, while according to different-alloy ingredient and stream
Slot uninterrupted adjusts alternating magnetic field parameter, and field waveform includes square wave field, sine wave magnetic field, triangle in alternating magnetic field parameter
Wave magnetic field, field supply are less than 300A, and for field supply pulsewidth less than 100%, field frequency is less than 50Hz, and magnetic field strength is less than
500mT；
C, the melt led in recirculated water convective tank and chute inside copper tube is cooled down, is made according to alternating electromagnetic field
It is 0~100mL/s with melt temperature control water flow in time and chute；
D, melt successively passes through degasification, filtering, crystallization, cooling after alternating electromagnetic field processing, and it is thin to obtain even tissue, crystal grain
The high quality ingot casting of change.
The beneficial effects of the present invention are:
1, chute melt Electromagnetic Treatment device disclosed in this invention, being capable of the interior aluminium alloy melt electromagnetism flowed of convective tank
The non-contact processing in field generates the instantaneous high-energy of variation electromagnetic field using alternating electromagnetism field characteristic and penetrates into the melt in chute,
Advantageous condition is provided to the formation of melt-spun nucleus, is obviously improved nucleus number, it is equal to improve crystal grain refinement, tissue
Even degree greatly improves the mechanical property and ingot quality of ingot casting.
2, chute melt Electromagnetic Treatment device disclosed in this invention, can connect, chute with smelting furnace fire door or sow (channel)
Interior melt is handled by alternating magnetic field, can directly be installed and used in existing Casting Equipment, save the cost and investment.It can basis
Melt flow size in alloy actual constituent and chute controls field waveform, magnitude of field intensity.To the non-contact alternation magnetic of melt
Field processing, it is pollution-free.
3, chute melt Electromagnetic Treatment device disclosed in this invention, can be used for different aluminum alloys semi-continuous casting process,
It is pollution-free to the non-contact processing of melt, reduce fining agent usage amount, save the cost.Equipment is simple simultaneously, and safe operation can root
According to chute melt flow size, control alternating electromagnetic field size, can directly be installed and used in existing Casting Equipment, and save at
This and investment, the alloy finally cast reach refinement crystal grain, improve even tissue, reduce casting flaw, and it is comprehensive to improve ingot casting
Energy.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent
The detailed description of choosing, in which:
Fig. 1 is the structural schematic diagram of chute melt Electromagnetic Treatment device of the present invention；
Fig. 2 is the connection schematic diagram of chute melt Electromagnetic Treatment device and sow (channel) of the present invention；
Fig. 3 is the grain structure figure that chute melt of the present invention does not apply alternating magnetic field processing；
Fig. 4 is the grain structure figure that chute melt of the present invention applies alternating magnetic field processing.
Appended drawing reference: clamshell 1, electromagnetic induction coil 2, chute baffle 3, support frame 4, idler wheel 5, hydraulic elevating platform 6, liquid
Press pedestal 7.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in following embodiment is only to show
Meaning mode illustrates basic conception of the invention, and in the absence of conflict, the feature in following embodiment and embodiment can phase
Mutually combination.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of invention；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not
Represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing
It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore is described in attached drawing
The term of positional relationship only for illustration, is not considered as limiting the invention, for the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
The chute melt Electromagnetic Treatment device as shown in Fig. 1~2, including pass through 1 He of clamshell made of the compacting of heat-insulated material
It is uniformly fixedly mounted on electromagnetic induction coil box on 1 inner wall of clamshell, is placed with three layers of electromagnetism in each electromagnetic induction coil box
Induction coil 2, the bottom of clamshell 1 are fixedly installed with the support frame 4 for being used to support clamshell 1, and support frame 4 is in groove-like, electromagnetism sense
The number for answering coil 2 is 8.The support frame 4 of groove-like is good to the support effect of clamshell 1, and 8 electromagnetic induction coils 2 can be square
Just different melt flow selects.The bottom of support frame 4 is fixedly installed with hydraulic elevating platform 6, and the bottom of hydraulic elevating platform 6 is solid
Dingan County is equipped with hydraulic base 7, and the four corners of hydraulic base 7 are equipped with idler wheel 5.Brake block is installed on idler wheel 5.Pass through idler wheel 5
After entire chute melt Electromagnetic Treatment device is moved to suitable position, it can be fixed by brake block.Under hydraulic base 7
The idler wheel 5 of side can facilitate the movement of whole device on hydraulic base 7 and hydraulic base 7.Hydraulic elevating platform 6 can be adjusted
The height of chute in entire clamshell 1 and clamshell 1, and then adapt to the smelting furnace fire door and sow (channel) of different height.
Uniform axial alternating magnetic field, electricity are generated when inputting alternating current in electromagnetic induction coil 2, inside electromagnetic coil
Magnetic induction coil 2 is formed by copper tube coiling, and 5 circle coils are wound on each hollow copper tube, and hollow red copper bore is
8mm, wall thickness 1mm.Lead to recirculated water inside copper tube to be cooled down, the lower part of 1 inside of clamshell is fixedly installed with refractory material and pours
Bottom plate made of note and two pieces of chute baffles 3 being fixedly mounted on bottom plate.The section that chute baffle 3 and bottom plate are formed is trapezoidal
Shape.
Clamshell 1 is used to protect the chute in clamshell 1, prevents high-temperature fusant in chute from scalding operator, electromagnetic induction coil 2
Middle input alternating current, electromagnetic coil inside generate uniform axial alternating magnetic field, and alternating electromagnetism field characteristic, which generates, changes electromagnetism
The instantaneous high-energy in field penetrates into the melt in chute, provides advantageous condition to the formation of melt-spun nucleus, makes nucleus
Number is obviously improved, and improves crystal grain refinement, the degree of even tissue, greatly improves the mechanical property and ingot quality of ingot casting.
Lead to recirculated water inside copper tube to be cooled down, can be flowed with the synergistic effect control generated on copper tube in electromagnetic induction coil 2
The temperature of melt in slot.
Embodiment 1
A kind for the treatment of process handling 7055 aluminium alloys using chute melt Electromagnetic Treatment device, comprising the following steps:
7055 aluminum alloy chemical compositions (%, mass fraction)
A, one end of chute baffle is connected on the fire door of smelting furnace, the other end of chute baffle is connected to sow (channel)
On, there are micro gap, each junction gaps to be clamped by asbestos gauze pad for fire door, sow (channel) and chute junction, therefore will not
There is melt to flow out along gap.
B, each electromagnetic induction coil being separately connected alternating current, the groove that chute baffle and bottom plate are formed is chute,
Number is opened according to melt flow regulation alternating current in chute, when melt flow is less than 500ml/s, with 4 electromagnetic induction lines
Circle processing；When melt flow is greater than 500ml/s, handled with 8 electromagnetic induction coils, while according to different-alloy ingredient and stream
Slot uninterrupted adjusts alternating magnetic field parameter, and field waveform is square wave field, field voltage 100V, magnetic field in alternating magnetic field parameter
Electric current 25A, field supply pulsewidth 25%, field frequency 20Hz, magnetic field strength are less than 500mT；
C, the melt led in recirculated water convective tank and chute inside copper tube is cooled down, is made according to alternating electromagnetic field
It is 0~100mL/s with melt temperature control water flow in time and chute；
D, melt successively passes through degasification, filtering, crystallization, cooling after alternating electromagnetic field processing, and it is thin to obtain even tissue, crystal grain
The high quality ingot casting of change.
Embodiment 2
A kind for the treatment of process handling 7055 aluminium alloys using chute melt Electromagnetic Treatment device, comprising the following steps:
7055 aluminum alloy chemical compositions (%, mass fraction)
A, the both ends of chute baffle are connected on sow (channel), sow (channel) and chute junction there are micro gap,
Each junction gap is clamped by asbestos gauze pad, therefore is not had melt and flowed out along gap.
B, each electromagnetic induction coil being separately connected alternating current, the groove that chute baffle and bottom plate are formed is chute,
Number is opened according to melt flow regulation alternating current in chute, when melt flow is less than 500ml/s, with 4 electromagnetic induction lines
Circle processing；When melt flow is greater than 500ml/s, handled with 8 electromagnetic induction coils, while according to different-alloy ingredient and stream
Slot uninterrupted adjusts alternating magnetic field parameter, and field waveform is square wave field, field voltage 100V, magnetic field in alternating magnetic field parameter
Electric current 25A, field supply pulsewidth 25%, field frequency 20Hz, magnetic field strength are less than 500mT；
C, the melt led in recirculated water convective tank and chute inside copper tube is cooled down, is made according to alternating electromagnetic field
It is 0~100mL/s with melt temperature control water flow in time and chute；
D, melt successively passes through degasification, filtering, crystallization, cooling after alternating electromagnetic field processing, and it is thin to obtain even tissue, crystal grain
The high quality ingot casting of change.
Comparative example
Comparative example the difference from embodiment 1 is that, comparative example does not carry out magnetic field processing, and ingot diameters are 310mm.
Embodiment 1 applies the grain structure of alternating magnetic field processing as shown in figure 4, comparative example does not apply friendship through apparatus of the present invention
The grain structure of varying magnetic field processing is as shown in figure 3, grain size obviously refines.It can thus be seen that passing through this patent alternation magnetic
Size of microcrystal is smaller and relatively uniform, nodularization after processing, and ingot casting comprehensive performance significantly improves (comparison is shown in Table 1).
1 7055 aluminium alloy as cast condition mechanical property of table
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (7)
1. a kind of chute melt Electromagnetic Treatment device, which is characterized in that including clamshell made of being suppressed by heat-insulated material and
Even several electromagnetic induction coils being fixedly mounted on clamshell inner wall, when inputting alternating current in electromagnetic induction coil, electricity
Uniform axial alternating magnetic field is generated inside magnetic coil, the electromagnetic induction coil is formed by copper tube coiling, inside copper tube
Logical recirculated water is cooled down, and the lower part on the inside of clamshell is fixedly installed with bottom plate made of refractory material casting and two pieces of fixed installations
Chute baffle on bottom plate.
2. chute melt Electromagnetic Treatment device as described in claim 1, which is characterized in that the bottom of the clamshell is fixedly mounted
There is the support frame for supporting shell cover, the bottom of support frame is fixedly installed with hydraulic elevating platform, the bottom of hydraulic elevating platform
It is fixedly installed with hydraulic base, the four corners of hydraulic base are equipped with idler wheel.
3. chute melt Electromagnetic Treatment device as claimed in claim 2, which is characterized in that support frame as described above is in groove-like, institute
The number for stating electromagnetic induction coil is 8.
4. chute melt Electromagnetic Treatment device as claimed in claim 3, which is characterized in that the chute baffle and bottom plate are formed
The trapezoidal shape in section.
5. chute melt Electromagnetic Treatment device as claimed in claim 4, which is characterized in that be equipped with brake on the idler wheel
Piece.
6. using the treatment process of the chute melt Electromagnetic Treatment device as described in any one of Claims 1 to 5, which is characterized in that
The following steps are included:
A, one end of chute baffle is connected on the fire door of smelting furnace, the other end of chute baffle is connected on sow (channel)；
B, each electromagnetic induction coil being separately connected alternating current, the groove that chute baffle and bottom plate are formed is chute, according to
Melt flow regulation alternating current opens number in chute, when melt flow is less than 500ml/s, at 4 electromagnetic induction coils
Reason；When melt flow is greater than 500ml/s, handled with 8 electromagnetic induction coils, while according to different-alloy ingredient and chute stream
It measures size and adjusts alternating magnetic field parameter, field waveform includes square wave field, sine wave magnetic field, triangular wave magnetic in alternating magnetic field parameter
, field supply is less than 300A, and for field supply pulsewidth less than 100%, field frequency is less than 50Hz, and magnetic field strength is less than 500mT；
C, the melt led in recirculated water convective tank and chute inside copper tube is cooled down, when according to alternating electromagnetism field action
Between and chute in melt temperature control water flow be 0~100mL/s；
D, melt successively passes through degasification, filtering, crystallization, cooling after alternating electromagnetic field processing, obtains even tissue, crystal grain refinement
High quality ingot casting.
7. using the treatment process of the chute melt Electromagnetic Treatment device as described in any one of Claims 1 to 5, which is characterized in that
The following steps are included:
A, the both ends of chute baffle are connected on sow (channel)；
B, each electromagnetic induction coil being separately connected alternating current, the groove that chute baffle and bottom plate are formed is chute, according to
Melt flow regulation alternating current opens number in chute, when melt flow is less than 500ml/s, at 4 electromagnetic induction coils
Reason；When melt flow is greater than 500ml/s, handled with 8 electromagnetic induction coils, while according to different-alloy ingredient and chute stream
It measures size and adjusts alternating magnetic field parameter, field waveform includes square wave field, sine wave magnetic field, triangular wave magnetic in alternating magnetic field parameter
, field supply is less than 300A, and for field supply pulsewidth less than 100%, field frequency is less than 50Hz, and magnetic field strength is less than 500mT；
C, the melt led in recirculated water convective tank and chute inside copper tube is cooled down, when according to alternating electromagnetism field action
Between and chute in melt temperature control water flow be 0~100mL/s；
D, melt successively passes through degasification, filtering, crystallization, cooling after alternating electromagnetic field processing, obtains even tissue, crystal grain refinement
High quality ingot casting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910410478.4A CN109986039B (en) | 2019-05-16 | 2019-05-16 | Launder melt electromagnetic treatment device and launder melt electromagnetic treatment process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910410478.4A CN109986039B (en) | 2019-05-16 | 2019-05-16 | Launder melt electromagnetic treatment device and launder melt electromagnetic treatment process |
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| CN109986039B CN109986039B (en) | 2024-07-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110315042A (en) * | 2019-08-14 | 2019-10-11 | 燕山大学 | A kind of agitating device for horizontal casting precision White brass alloy pipe |
| CN111299525A (en) * | 2020-04-10 | 2020-06-19 | 包头铝业有限公司 | Electromagnetic energy buffering runner device for refining aluminum alloy grains |
| CN112760507A (en) * | 2020-12-18 | 2021-05-07 | 包头铝业有限公司 | Preparation method of Al-Zn-Mg series aluminum alloy |
| CN112974747A (en) * | 2021-04-21 | 2021-06-18 | 中国航发北京航空材料研究院 | Method for improving metallurgical quality of large-specification 2000-series aluminum alloy ingot |
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