CN105772664A - Gas-lubricated crystallizer device used for electromagnetic stirring and application method of gas-lubricated crystallizer device - Google Patents
Gas-lubricated crystallizer device used for electromagnetic stirring and application method of gas-lubricated crystallizer device Download PDFInfo
- Publication number
- CN105772664A CN105772664A CN201410834917.1A CN201410834917A CN105772664A CN 105772664 A CN105772664 A CN 105772664A CN 201410834917 A CN201410834917 A CN 201410834917A CN 105772664 A CN105772664 A CN 105772664A
- Authority
- CN
- China
- Prior art keywords
- crystallizer
- gas
- reducer
- electromagnetic agitation
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000003756 stirring Methods 0.000 title claims abstract description 13
- 238000004513 sizing Methods 0.000 claims abstract description 49
- 238000007711 solidification Methods 0.000 claims abstract description 14
- 230000008023 solidification Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000000498 cooling water Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000000265 homogenisation Methods 0.000 claims abstract description 5
- 239000003570 air Substances 0.000 claims description 58
- 239000007789 gas Substances 0.000 claims description 54
- 239000003638 chemical reducing agent Substances 0.000 claims description 53
- 238000013019 agitation Methods 0.000 claims description 33
- 230000000694 effects Effects 0.000 claims description 15
- 238000005266 casting Methods 0.000 claims description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000009736 wetting Methods 0.000 claims description 9
- 238000009749 continuous casting Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000005499 meniscus Effects 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 230000005672 electromagnetic field Effects 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- -1 sizing ring Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 230000010354 integration Effects 0.000 description 13
- 238000005461 lubrication Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005204 segregation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000007569 slipcasting Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Continuous Casting (AREA)
Abstract
本发明属于金属材料加工领域，特别涉及一种用于电磁搅拌的气滑结晶器装置及其应用方法。本发明装置由热顶、压环、节流器、定径环、进气管、结晶器壳体、上密封圈、下密封圈、气体密封圈和电磁搅拌器构成；进气管通过结晶器壳体上的气孔把气体送入组合式节流器，气体经节流器后在结晶器与铝熔体之间形成气垫。由热顶、气垫、定径环以及铸坯底部凝固壳或引锭座形成的封闭容器起到约束铝熔体成型的作用，在结晶器内凝固潜热主要经由气垫、定径环和冷却水带走。外加电磁搅拌促进温度场的均匀化，加快散热，改善铸锭成分和组织均匀性。
The invention belongs to the field of metal material processing, in particular to an air-slip crystallizer device for electromagnetic stirring and an application method thereof. The device of the present invention is composed of a hot top, a pressure ring, a restrictor, a sizing ring, an air inlet pipe, a crystallizer shell, an upper sealing ring, a lower sealing ring, a gas sealing ring and an electromagnetic stirrer; the air inlet pipe passes through the crystallizer shell The air hole on the upper part sends the gas into the combined restrictor, and the gas forms an air cushion between the crystallizer and the aluminum melt after passing through the restrictor. The closed container formed by the hot top, air cushion, sizing ring, solidification shell or dummy seat at the bottom of the billet plays the role of constraining the forming of the aluminum melt. The solidification latent heat in the mold mainly passes through the air cushion, sizing ring and cooling water belt Walk. The addition of electromagnetic stirring promotes the homogenization of the temperature field, accelerates heat dissipation, and improves the composition and structure uniformity of the ingot.
Description
Technical field
The invention belongs to metal material processing field, particularly to a kind of gas lubricated crystallizer device for electromagnetic agitation and application process thereof.
Background technology
Conticaster is Metallurgical Industry continuous casting process capital equipment, and its core is crystallizer, and the development of crystallizer represents the development of continuous casting technology.This point shows particularly significant in aluminium alloy casting process.Direct water-cooling casting can be referred to as the continuous casting technology shaped the earliest, and cold shut, ripple, liquate, folding or hole concave surface defect etc. are the problems of direct water-cooling casting.The hot top foundry engieering developed later, comprises the technique adding lubricant and alleviates cold shut and liquate defect to a certain extent, but still obvious with the inverse segregation of cold shut, segregation and inside and outside histological difference.
US3467166 proposes electromagnetism containerless casting, uses electromagnetic force constraint aluminum melt molding, plays and reduce a cold strength and reduce the effect of friction.Substantially solve surface cold shut and inverse segregation problem, but this device is expensive, control difficulty big, do not obtain lasting business application.US4157728 proposes gas pressurized hot top casting, and the purpose of the method is to play, with air film, the effect reducing a cold strength and lubrication.Current industrial quarters is more popular, and derivative technique includes US7204295 and US5318098, is referred to as Air-slip Casting technique.Cc billet surface quality prepared by Air-slip Casting obtains the accreditation in market, but composition and histological difference inside and outside strand radial direction is helpless.Current US4157728 and US5318098 is the overprotection phase all, and US4157728 crystallizer is integrated, and difficulty of processing is big, it does not have install the space of magnetic stirrer.US5318098 crystallizer is also integral structure, and difficulty of processing is big, it is possible to external electromagnetic agitator, but not yet solves the problem that air film is affected by electromagnetic agitation.US7204295 crystallizer is Split type structure, and machining accuracy and matching requirements are high, it does not have install the space of magnetic stirrer.
Along with development and the scientific and technological progress of society, to Inner Quality of Billet, particularly casting blank solidification tissue equiaxial crystal ratio and morphology of primary phase are had higher requirement.Electromagnetic agitating technology is a kind of effective means that metal solidification process is controlled, and has a wide range of applications and deep industrial foundation.Design a kind of air cushion crystallizer suitable in electromagnetic agitation, the advantage of gas lubrication and electromagnetic agitation is brought into play simultaneously, continuous billet casting surface quality and internal soundness problem can be solved simultaneously.
Summary of the invention
Not enough for prior art, the invention provides a kind of gas lubricated crystallizer device for electromagnetic agitation and application process thereof.
A kind of gas lubricated crystallizer device for electromagnetic agitation, this device is made up of hot top, pressure ring, reducer, sizing ring, air inlet pipe, crystallizer housing, upper sealing ring, lower seal, air seal circle and magnetic stirrer；Being wherein interference fit between sizing ring and crystallizer radial direction, set gradually reducer, hot top and pressure ring above sizing ring from the bottom to top, sizing ring, crystallizer, reducer, hot top and pressure ring are concentric fit；Pressure ring band external screw thread, is connected with crystallizer by screw thread；Pressure ring is while the hot top of location, at longitudinally fixed hot top and reducer；Air inlet pipe central hole, band external screw thread, and be connected with crystallizer by screw thread；Air inlet pipe and the pore conducting being arranged on crystallizer；Reducer plays the effect of circumferential distribution gas, and is sealed by air seal circle between crystallizer；Air inlet pipe, pore and reducer form a complete gas passage, and gas is inputted sizing ring from external air source；Magnetic stirrer is set outside crystallizer, plays the effect of stirring melt；Arranging outlet on crystallizer, crystallizer is connected with water tank by upper sealing ring and lower seal, and the cooling water that external water source provides is discharged from outlet after entering water tank.
The material of described integration hot top is aluminium silicate, aluminium oxide, magnesium oxide or silicon oxide.
Described detachable air inlet pipe is fixedly linked by two sections of screw threads and crystallizer housing, plays the effect of reinforcement on the one hand, on the other hand gas is sent into combination type reducer.
Described reducer is combination type reducer, it is connected with lower reducer by upper reducer and constitutes, the two is connected and constitutes air storage chamber, combination type reducer makes external pressurised gas enter crystallizer sizing ring and blank gap, produce restriction effect, and form the stable lubrication air cushion with certain bearing capacity and rigidity.
Described upper reducer is provided with baffling catoptric arrangement, makes air cushion move along throwing direction.
Described lower reducer is carved with the groove that cross section is circle, ellipse, triangle, rectangle, the shape such as square or trapezoidal, cooperatively forms enclosed slot with upper reducer.
The material of described sizing ring is graphite, aluminium alloy or copper alloy.
Between described sizing ring and crystallizer radial direction, the magnitude of interference of interference fit is 0.1mm～0.4mm.
Described sizing ring inner surface angle of wetting is not less than 90 °, sizing ring inner surface angle of wetting deduct integration hot top under along angle of wetting be more than or equal to 10 °.
Described magnetic stirrer is rotary-type stirring or traveling wave agitator, in order to promote the homogenization in temperature field, accelerates heat radiation, improves ingot casting composition and structural homogenity.
The application process of a kind of gas lubricated crystallizer device for electromagnetic agitation, comprises the steps:
Continuous casting mode adopt vertical and horizontal in one or both, detachable air inlet pipe sends gas into combination type reducer by the pore on crystallizer housing, forms air cushion after the combined formula reducer of gas between crystallizer and melt；The container of closing formed by solidified shell or dummy ingot holder bottom integration hot top, air cushion, sizing ring and strand plays the effect of constraint aluminum melt molding, and in crystallizer, latent heat of solidification is taken away via air cushion, sizing ring and cooling water；Promoted temperature field and the homogenization becoming branch by additional electromagnetic stirring, accelerate heat radiation, improve ingot casting composition and structural homogenity.
The requirement of different size blank continuous casting is met by changing integration hot top size；Change initial gas mat thickness by changing gap length between hot top internal diameter and change hot top and sizing ring, mate with meniscus shape.
The electromagnetic agitation form of described additional electromagnetic stirring is rotary, spiral or rolling type.
Make initial solidification point move down the active force of meniscus by electromagnetic field, fit sizing ring temperature survey acquisition initial solidification point height according to computer mould and determine air cushion original depth.
The invention have the benefit that
(1) integration hot top design, compared with combining with excessive ring and mozzle, decreases assembling installation requirement, reduces purchase cost；
(2) detachable air inlet pipe reduces difficulty of processing and the cost of crystallizer housing；
(3) combination type reducer is compared with two-sided distribution plate and porous graphite ring, considerably reduces difficulty of processing and cost, adds baffling catoptric arrangement, is conducive to the formation of air cushion；
(4) compared with electromagnetism containerless casting and Air-slip Casting, play the effect of gas lubrication and electromagnetic agitation, solve surface quality and internal soundness problem simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of gas lubricated crystallizer device for electromagnetic agitation of the present invention；
Fig. 2 is crystallizer partial enlarged drawing of the present invention；
Fig. 3 is that air cushion of the present invention calculates schematic diagram；
Fig. 4 is reducer structural representation in the present invention, and wherein Fig. 4 a is top view, and Fig. 4 b is sectional view, and Fig. 4 c is Fig. 4 b partial view；
Fig. 5 is reducer structural representation under the present invention, and wherein Fig. 5 a is top view, and Fig. 5 b is sectional view, and Fig. 5 c is Fig. 5 b partial view；
Fig. 6 is combination type reducer of the present invention assembling structural representation, and wherein Fig. 6 a is top view, and Fig. 6 b is sectional view, and Fig. 6 c is Fig. 6 b partial view；
Number in the figure: 1-melt, 2-strand, 3-hot top, 4-pressure ring, 5-reducer, 6-sizing ring, 7-air inlet pipe, 8-crystallizer, 9-lower seal, 10-magnetic stirrer, 11-pore, 12-outlet, 13-air seal circle, the upper sealing ring of 14-, edge and melt contacts face under 15-hot top, 16-sizing ring inner surface and melt contacts face, 17-baffling catoptric arrangement, 18-enclosed slot, 19-air storage chamber, the relative altitude of h-hot top and sizing ring, H-initial solidification point height, L-initial gas mat thickness.
Detailed description of the invention
The invention provides a kind of gas lubricated crystallizer device for electromagnetic agitation and application process thereof, below in conjunction with the drawings and specific embodiments, the present invention will be further described.
A kind of gas lubricated crystallizer device for electromagnetic agitation, this device is made up of integration hot top 3, pressure ring 4, reducer 5, sizing ring 6, detachable air inlet pipe 7, crystallizer 8, upper sealing ring 14, lower seal 9, air seal circle 13 and magnetic stirrer 10；Wherein sizing ring 6 is radially interference fit with crystallizer 8, sets gradually reducer 5, hot top 3 and pressure ring 4 above sizing ring 6 from the bottom to top, and sizing ring 6, crystallizer 8, reducer 5, integration hot top 3 and pressure ring 4 are concentric fit；Pressure ring 4 band external screw thread, is connected with crystallizer 8 by screw thread；Pressure ring 4 is while the hot top 3 of location, at longitudinally fixed integration hot top 3 and reducer 5；Detachable air inlet pipe 7 central hole, band external screw thread, it is connected with crystallizer 8 by screw thread；Detachable air inlet pipe 7 turns on the pore 11 being arranged on crystallizer 8；Reducer 5 plays the effect of circumferential distribution gas, and is sealed by air seal circle 13 between crystallizer 8；Detachable air inlet pipe 7, pore 11 form a complete gas passage with reducer 5, and gas is inputted sizing ring 6 from external air source；Crystallizer 8 is outside arranges magnetic stirrer 10, plays the effect of stirring melt 1；Arranging outlet 12 on crystallizer 8, crystallizer 8 is connected with water tank by upper sealing ring 14 and lower seal 9, and the cooling water that external water source provides is discharged from outlet 12 after entering water tank.
The material of described integration hot top 3 is aluminium silicate, aluminium oxide, magnesium oxide or silicon oxide.
Described detachable air inlet pipe 7 is fixedly linked by two sections of screw threads and crystallizer 8, plays the effect of reinforcement on the one hand, on the other hand gas is sent into combination type reducer.
Described reducer 5 is combination type reducer, it is connected with lower reducer by upper reducer and constitutes, the two is connected and constitutes air storage chamber 19, before combination type reducer makes external pressurised gas enter crystallizer 8 and blank gap, produce restriction effect, and form the stable lubrication air cushion with certain bearing capacity and rigidity.
Described upper reducer is provided with baffling catoptric arrangement 17, makes air cushion move along throwing direction, as shown in Figure 2, Figure 4 shows, wherein 10mm > h > 0.
Described lower reducer is carved with the groove that cross section is circle, ellipse, triangle, rectangle, the shape such as square or trapezoidal, as it is shown in figure 5, cooperatively form enclosed slot 18 with upper reducer, as shown in Figure 6.External pressurised gas enters the air storage chamber 19 of combination type reducer, then passes through enclosed slot 18, produces restriction effect, and forms the stable lubrication air cushion with certain bearing capacity and rigidity.
The material of described sizing ring 6 is graphite, aluminium alloy or copper alloy.
Between described sizing ring 6 and crystallizer 8 radial direction, the magnitude of interference of interference fit is 0.1mm～0.4mm.
Described sizing ring 6 inner surface angle of wetting is not less than 90 °, and sizing ring 8 inner surface angle of wetting deducts integration hot top 3 times along angle of wetting be more than or equal to 10 °.
Described magnetic stirrer 10 is rotary-type stirring or traveling wave agitator, in order to promote the homogenization in temperature field, accelerates heat radiation, improves ingot casting composition and structural homogenity.
In Fig. 3 under 15 integrated hot top along and melt contacts face, 16 be sizing ring inner surface and melt contacts face.The thickness of the cold shell that electromagnetic agitation weakens further, the active force of meniscus is made initial solidification point move down by electromagnetic field, fits sizing ring temperature survey acquisition initial solidification point height H according to computer mould and determines air cushion original depth L, as shown in Figure 3.
Main technical schemes and method that the present invention adopts be: by under modular design sizing ring inner surface and integration hot top along and melt contacts angle, selected sizing ring and integration hot top material and surface treatment process technique.Fit sizing ring temperature survey acquisition initial solidification point height H according to computer mould and determine air cushion original depth L.Making the gas come in from detachable air inlet pipe form air cushion along throwing direction, cushion portion has isolated melt and sizing ring, serves and reduces once cooling and strengthen the effect to a cold shell lubrication, thus reducing cold shut and inverse segregation, it is thus achieved that the strand that surface quality is good.In addition promoted flowing and the heat transfer of golden melt by additional electromagnetic stirring, the temperature field of melt with become branch to tend to uniform, be conducive to obtaining high-quality strand.The design of parameter H and L solves the coupled problem of electromagnetic agitation and air cushion, can obtain surface quality and the strand of internal soundness excellence.
The application process of a kind of gas lubricated crystallizer device for electromagnetic agitation, comprises the steps:
First dummy ingot holder being stretched into sizing ring 6 (2mm～10mm), then open gas to predetermined value, open cooling water to initial value, metal bath injects chute immediately, starts hitch structure and starts cast；It is then turned on magnetic stirrer 10；Namely steady statue is entered after integration hot top 3 melt temperature is stable；Before stopping traction, (1s～10s) closes cooling water, closes magnetic stirrer 10 before stopping traction after cutting off the water；Remove strand after stopping traction, clear up crystallizer 8；Gas is closed after brilliant device 8 of clearing up.
The noble gases such as described gas dry air, argon or nitrogen.
Claims (16)
1., for a gas lubricated crystallizer device for electromagnetic agitation, this device is made up of hot top, pressure ring, reducer, sizing ring, air inlet pipe, crystallizer housing, upper sealing ring, lower seal, air seal circle and magnetic stirrer；Being wherein interference fit between sizing ring and crystallizer radial direction, set gradually reducer, hot top and pressure ring above sizing ring from the bottom to top, sizing ring, crystallizer, reducer, hot top and pressure ring are concentric fit；Pressure ring is connected with crystallizer；Pressure ring is while the hot top of location, at longitudinally fixed hot top and reducer；Air inlet pipe central hole, and be connected with crystallizer；Air inlet pipe and the pore conducting being arranged on crystallizer；Sealed by air seal circle between reducer and crystallizer；Air inlet pipe, pore and reducer form a complete gas passage；Magnetic stirrer is set outside crystallizer；Arranging outlet on crystallizer, crystallizer is connected with water tank by upper sealing ring and lower seal.
2. a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 1, it is characterised in that the material of described hot top is aluminium silicate, aluminium oxide, magnesium oxide or silicon oxide.
3. a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 1, it is characterised in that described air inlet pipe is fixedly linked by screw thread and crystallizer housing.
4. a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 1, it is characterised in that described reducer is combination type reducer, it is connected with lower reducer by upper reducer and constitutes, and the two is connected and constitutes air storage chamber.
5. a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 4, it is characterised in that be provided with baffling catoptric arrangement on described upper reducer.
6. a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 4, it is characterized in that, being carved with cross section on described lower reducer is circle, ellipse, triangle, rectangle, square or trapezoidal groove, cooperatively forms enclosed slot with upper reducer.
7. a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 1, it is characterised in that the material of described sizing ring is graphite, aluminium alloy or copper alloy.
8. a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 1, it is characterised in that between described sizing ring and crystallizer radial direction, the magnitude of interference of interference fit is 0.1mm～0.4mm.
9. a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 1, it is characterised in that described sizing ring inner surface angle of wetting is not less than 90 °, sizing ring inner surface angle of wetting deducts under hot top along angle of wetting be more than or equal to 10 °.
10. a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 1, it is characterised in that described magnetic stirrer is rotary-type stirring or traveling wave agitator.
11. the application process of a kind of gas lubricated crystallizer device for electromagnetic agitation as described in claim 1～10 any one claim, it is characterised in that comprise the steps:
Continuous casting mode adopt vertical and horizontal in one or both, air inlet pipe sends gas into reducer by the pore on crystallizer housing, gas after reducer between crystallizer and melt formed air cushion；The container of closing formed by solidified shell or dummy ingot holder bottom hot top, air cushion, sizing ring and strand plays the effect of constraint aluminum melt molding, and in crystallizer, latent heat of solidification is taken away via air cushion, sizing ring and cooling water；Promoted temperature field and the homogenization becoming branch by additional electromagnetic stirring, accelerate heat radiation, improve ingot casting composition and structural homogenity.
12. the application process of a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 11, it is characterised in that meet the requirement of different size blank continuous casting by changing hot top size；Change initial gas mat thickness by changing gap length between hot top internal diameter and change hot top and sizing ring, mate with meniscus shape.
13. the application process of a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 11, it is characterised in that the electromagnetic agitation form of described additional electromagnetic stirring is rotary, spiral or rolling type.
14. the application process of a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 11, it is characterized in that, make initial solidification point move down the active force of meniscus by electromagnetic field, fit sizing ring temperature survey acquisition initial solidification point height according to computer mould and determine air cushion original depth.
15. the application process of a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 11, it is characterised in that comprise the steps:
First dummy ingot holder being stretched into sizing ring, then open gas to predetermined value, open cooling water to initial value, metal bath injects chute immediately, starts hitch structure and starts cast；It is then turned on magnetic stirrer；Namely steady statue is entered after hot top melt temperature is stable；Close cooling water before stopping traction, before stopping traction after cutting off the water, close magnetic stirrer；Remove strand after stopping traction, clear up crystallizer；Gas is closed after brilliant device of clearing up.
16. the application process of a kind of gas lubricated crystallizer device for electromagnetic agitation according to claim 15, it is characterised in that described gas dry air, argon or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410834917.1A CN105772664B (en) | 2014-12-26 | 2014-12-26 | A kind of gas lubricated crystallizer device and its application process for electromagnetic agitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410834917.1A CN105772664B (en) | 2014-12-26 | 2014-12-26 | A kind of gas lubricated crystallizer device and its application process for electromagnetic agitation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105772664A true CN105772664A (en) | 2016-07-20 |
| CN105772664B CN105772664B (en) | 2018-02-23 |
Family
ID=56389050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410834917.1A Active CN105772664B (en) | 2014-12-26 | 2014-12-26 | A kind of gas lubricated crystallizer device and its application process for electromagnetic agitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105772664B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694832A (en) * | 2016-12-27 | 2017-05-24 | 西南铝业（集团）有限责任公司 | Production method of crystallizer shell |
| CN107470573A (en) * | 2017-08-08 | 2017-12-15 | 江苏亚太航空科技有限公司 | Oil-air lubrication crystallizer |
| CN112808955A (en) * | 2020-12-31 | 2021-05-18 | 湖南文昌新材科技股份有限公司 | Casting crystallizer of high-silicon aluminum alloy semi-solid casting rod and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026346A (en) * | 1975-06-27 | 1977-05-31 | Institut De Recherches De La Siderurgie Francaise (Irsid) | Liquid-cooled mold for continuous casting of molten metal |
| US20010017198A1 (en) * | 2000-01-26 | 2001-08-30 | Alfredo Poloni | Process and device for improving the quality of continuously cast metallic bodies |
| CN101332493A (en) * | 2008-07-31 | 2008-12-31 | 东北大学 | Device and method for rapid continuous casting of gas film under the action of static magnetic field |
| CN101745611A (en) * | 2009-12-28 | 2010-06-23 | 东北大学 | Method and apparatus for producing high-strength aluminum slabs |
| CN101939120A (en) * | 2007-12-05 | 2011-01-05 | 昭和电工株式会社 | Continuous casting device and molten metal pouring nozzle |
| CN103658579A (en) * | 2012-09-06 | 2014-03-26 | 北京有色金属研究总院 | Device and method for continuously manufacturing high-quality alloy cast ingots |
| CN204685985U (en) * | 2014-12-26 | 2015-10-07 | 北京有色金属研究总院 | A kind of gas lubricated crystallizer device for electromagnetic agitation |
-
2014
- 2014-12-26 CN CN201410834917.1A patent/CN105772664B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026346A (en) * | 1975-06-27 | 1977-05-31 | Institut De Recherches De La Siderurgie Francaise (Irsid) | Liquid-cooled mold for continuous casting of molten metal |
| US20010017198A1 (en) * | 2000-01-26 | 2001-08-30 | Alfredo Poloni | Process and device for improving the quality of continuously cast metallic bodies |
| CN101939120A (en) * | 2007-12-05 | 2011-01-05 | 昭和电工株式会社 | Continuous casting device and molten metal pouring nozzle |
| CN101332493A (en) * | 2008-07-31 | 2008-12-31 | 东北大学 | Device and method for rapid continuous casting of gas film under the action of static magnetic field |
| CN101745611A (en) * | 2009-12-28 | 2010-06-23 | 东北大学 | Method and apparatus for producing high-strength aluminum slabs |
| CN103658579A (en) * | 2012-09-06 | 2014-03-26 | 北京有色金属研究总院 | Device and method for continuously manufacturing high-quality alloy cast ingots |
| CN204685985U (en) * | 2014-12-26 | 2015-10-07 | 北京有色金属研究总院 | A kind of gas lubricated crystallizer device for electromagnetic agitation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694832A (en) * | 2016-12-27 | 2017-05-24 | 西南铝业（集团）有限责任公司 | Production method of crystallizer shell |
| CN107470573A (en) * | 2017-08-08 | 2017-12-15 | 江苏亚太航空科技有限公司 | Oil-air lubrication crystallizer |
| CN112808955A (en) * | 2020-12-31 | 2021-05-18 | 湖南文昌新材科技股份有限公司 | Casting crystallizer of high-silicon aluminum alloy semi-solid casting rod and preparation method thereof |
| CN112808955B (en) * | 2020-12-31 | 2021-10-22 | 湖南文昌新材科技股份有限公司 | Casting crystallizer of high-silicon aluminum alloy semi-solid casting rod and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105772664B (en) | 2018-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Kang et al. | Additive manufacturing-driven mold design for castings | |
| Ludwig et al. | On macrosegregation | |
| CN104942252B (en) | A Method for Improving the Internal Quality of Heavy Rail Steel Blooms | |
| Sun et al. | Macrosegregation improvement by swirling flow nozzle for bloom continuous castings | |
| CN107150116B (en) | A kind of method that electromagnetism regulation and control manufacture large-scale casting ingot from inoculation | |
| CN106925735A (en) | A kind of device and method for preparing big specification high-quality aluminium alloy cast ingot | |
| CN105328127A (en) | Open type top shower gating system for air cylinder cover | |
| CN102672112A (en) | Casting method of motor casing | |
| CN105772664A (en) | Gas-lubricated crystallizer device used for electromagnetic stirring and application method of gas-lubricated crystallizer device | |
| CN103978170B (en) | Semi-continuous casting crystallizer for aluminum alloy near net shape cast ingot | |
| CN204685985U (en) | A kind of gas lubricated crystallizer device for electromagnetic agitation | |
| CN104353797A (en) | Telescopic cast ingot solidification tail end electromagnetic stirring device | |
| CN201342480Y (en) | Inner cooling device for prohibiting macrosegregation of large-sized steel ingot | |
| CN101406937A (en) | Inner-cooling method for inhibiting gross segregation in large-sized steel ingot | |
| CN205236991U (en) | Prepare device of big high specification quality aluminum alloy ingot casting | |
| CN101596590B (en) | Method for inhibiting large steel ingot from macrosegregation by mechanical stirring | |
| WO2017113630A1 (en) | Device and method for preparing large-sized high-quality aluminium alloy ingot | |
| CN202527690U (en) | Solidification system for manufacturing magnesium alloy casting ingot | |
| CN204385267U (en) | A kind of induction stirring high-shear melt treatment and self-clearing device | |
| CN107812905A (en) | Large section Properties of Heavy Rail Steel green shell quality optimization control method | |
| CN204975244U (en) | Compound layer circle base electromagnetism casting machine of bimetal | |
| CN105583374B (en) | A kind of method of production of large aluminum alloy closing casing | |
| Agrawal | Impact of Ishikawa on the analysis of data in mechanical industries | |
| CN203917841U (en) | The nearly end form ingot casting of aluminium alloy Semi-continuous casting crystallizer | |
| Gui et al. | Modeling on solute enrichment and inclusion precipitation during the solidification process of high sulfur steel slab |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190523 Address after: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: YOUYAN ENGINEERING TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Address before: No. 2, Xinjie street, Xicheng District, Beijing, Beijing Patentee before: General Research Institute for Nonferrous Metals |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210824 Address after: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Youyan metal composite technology Co.,Ltd. Address before: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee before: YOUYAN ENGINEERING TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Youyan Metal Composite Materials (Beijing) Co.,Ltd. Country or region after: China Address before: No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee before: Youyan metal composite technology Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |