CN200988095Y - Metal electromagnetic continuous casting device - Google Patents
Metal electromagnetic continuous casting device Download PDFInfo
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- CN200988095Y CN200988095Y CN 200620046944 CN200620046944U CN200988095Y CN 200988095 Y CN200988095 Y CN 200988095Y CN 200620046944 CN200620046944 CN 200620046944 CN 200620046944 U CN200620046944 U CN 200620046944U CN 200988095 Y CN200988095 Y CN 200988095Y
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- cooling water
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Abstract
The utility model relates to a metal electromagnetic continuous casting device for applying amplitude modulation magnetic field to the crystallizer area, which pertains to metal continuous casting process technology field. The metal electromagnetic continuous casting device of the utility model includes a liquid metal tundish 1, a liquid inlet 2, a crystallizer 3, a jacket shell with a cooling water inlet 4 and an outlet 5, an induction coil 6 in the shell, a twice cooling water nozzle 7, a tension spindle shaft 9 and a vibration device 10. The amplitude modulation magnetic field generated by the induction coil 6 can produce controllable and changeable electromagnetic force in the metal liquid of the crystallizer 3, which can precisely control the solidification process of the continuous casting metal and improve the surface quality and the internal quality of the crystal phase organization of the casting billet.
Description
Technical field
The utility model relates to a kind of metal electromagnetism that applies amplitude modulated magnetic field at crystal region and crosses casting device, belongs to metal and connects the technology field.
Background technology
Soft connect separate crystallizer continuous casting electromagnetic technology be one in recent years the exploitation the metal continuous cast technology.It is by applying ac magnetic field in the crystallizer zone, makes on the liquid metal of this electromagnetic field effect in the crystallizer, reach the surface that makes strand and in the improved purpose of crystalline phase quality.In this technology, what usually adopted in the magnetic field that crystallizer applies outward all is the alternating magnetic field of constant amplitude, thereby the electromagnetic force that acts on the crystallizer inner metal liquid also is this.But casting process is a dynamic process, and particularly under the situation of mold oscillation, dynamic process becomes more obvious and is periodically.Will control casting process preferably, the electromagnetic field of constant amplitude can not satisfy the requirement of new technology.Therefore, original metal continuous casting electromagnetic device being improved and reforms is the new problem of new task that the scientific worker faces.
Summary of the invention
The purpose of this utility model provides a kind of metal electromagnetism of novelty and crosses casting device, to reach the effect that the metal strand obtains the fine crystalline phase phase constitution.
A kind of metal continuous casting electromagnetic of the utility model device, mainly include molten metal tundish, inlet, crystallizer, have cooling water inlet and outlet, induction coil, secondary cooling water nozzle, draw spindle blade and vibrating device, it is characterized in that: as the crystallizer of main body, its top is provided with a molten metal tundish, links to each other with crystallizer by inlet; Around the crystallizer, be provided with induction coil, induction coil places in the chuck housing that is provided with crystallizer cooling water inlet and outlet; Medium position at crystallizer also is provided with secondary cooling water circle mouth, to accelerate solidifying of liquid metal; Be provided with in the bottom of crystallizer and draw spindle blade, draw spindle blade that the frozen metal strand in the crystallizer is pulled out by this; Outside at crystallizer also is provided with vibrating device, and the vibration that produces by this vibrating device makes the molten metal in the crystallizer accelerate to form crystalline solid.
Described induction coil, its amplitude modulated magnetic field that applies in the crystallizer zone are Sine Wave Amplitude Modulation magnetic field or square wave amplitude modulated magnetic field or triangular wave amplitude modulated magnetic field.
Characteristics of the present utility model are to apply the adjustable electromagnetic field that an amplitude changes in the crystallizer zone, and it is adjustable that the electromagnetic force that acted on the interior liquid metal of the brilliant device of casting is also changed, thereby accurately control the process of setting of liquid metal in the casting crystallizer.
The amplitude modulated magnetic field that applies in the crystallizer zone of the utility model design, the amplitude in this magnetic field is time dependent according to certain functional relation, and this is equivalent to (to be called carrier wave) on a high frequency magnetic field and adds the lower periodic amplitude-modulated ripple (being called modulating wave) of a frequency.
Amplitude modulated magnetic field is to produce by the alternating current that changes by amplitude in the coil that is wound on the crystallizer zone, and this alternating current can be written as on instructional mode:
I(t)＝I
max×f(t)×cos(2πft)
In the formula: t is a time variable;
I
MaxBe maximum current;
F is above-mentioned carrier frequency;
F (t) is above-mentioned modulating wave function, and it can be a periodic function, can write f (t) * cos (2 π f in form
1T)
The utility model has the advantages that: the coil that is used for outside crystallizer passes to the electric current that above-mentioned amplitude changes, therefore, its size of electromagnetic force that induction produces in the crystallizer inner metal liquid also changes, can be used for controlling casting process like this, as the stage that initial molten metal solidifies the strand shell, can improve the quality of texture in the strand.In addition, this kind amplitude modulation alternating current mode also easily is automated control.
Description of drawings
Fig. 1 is the utility model metal continuous casting electromagnetic apparatus structure schematic diagram.
Fig. 2 be in the utility model coil in Sine Wave Amplitude Modulation magnetic field that electric current produced or the exemplary plot of method amplitude modulated magnetic field or triangular wave amplitude modulated magnetic field.
The specific embodiment
After now specific embodiments of the invention being described in.
Embodiment 1
Referring to Fig. 1, the metal continuous casting electromagnetic device in the present embodiment mainly includes molten metal tundish 1, inlet 2, crystallizer 3, crystallizer cooling water inlet 4 and exports 5, induction coil 6, secondary cooling water nozzle 7, draws spindle blade 9 and vibrating device 10; Crystallizer 3 its tops as main body are provided with a molten metal tundish 1, link to each other with crystallizer 3 by inlet 2; Be provided with induction coil 6 around the crystallizer 3, induction coil 6 places in the chuck housing that is provided with crystallizer cooling water inlet 4 and outlet 5; Medium position at crystallizer 3 also is provided with secondary cooling water circle mouth 7, to accelerate solidifying of liquid metal; Be provided with in the bottom of crystallizer 3 and draw spindle blade 9, draw spindle blade 9 that the frozen metal strands 8 in the crystallizer 3 are pulled out by this; Outside at crystallizer 3 also is provided with vibrating device 10, and the vibration that produces by this vibrating device 10 makes the molten metal in the crystallizer accelerate to form crystalline solid.
Referring to Fig. 2, the induction coil 6 in the present embodiment, the amplitude modulated magnetic field that it applies in the crystallizer zone can be the form in Sine Wave Amplitude Modulation magnetic field 11, also can be the form of triangular wave amplitude modulated magnetic field 12, also can be the form of triangular wave amplitude modulated magnetic field 13.
In the present embodiment, specific operation process is summarized as follows:
Utilize this device in casting process, the metal (can be steel, copper, aluminium, magnesium, zinc etc.) of cast enters in the crystallizer 3 through inlet 2 by tundish 1, the effect of the electromagnetic force that the electromagnetic field that is subjected to providing in the coil 6 at this place changes, and be subjected to the cooling effect of cooling water simultaneously, molten metal is cooled and solidifies, and the vibration effect that is subjected to vibrating device 10 forms crystalline phase structure tissue preferably; Strand 8 is constantly pulled out crystallizer 3 by drawing spindle blade 9, forms casting process.
Claims (2)
1. metal continuous casting electromagnetic device, mainly include molten metal tundish (1), inlet (2), crystallizer (3), have cooling water inlet (4) and outlet (5), induction coil (6), secondary cooling water nozzle (7), draw spindle blade (9) and vibrating device (10), it is characterized in that: as the crystallizer of main body, its top is provided with a molten metal tundish (1), links to each other with crystallizer (3) by inlet (2); Around the crystallizer (3), be provided with induction coil (6), induction coil (6) places in the chuck housing that is provided with crystallizer cooling water inlet (4) and outlet (5); Medium position at crystallizer (3) also is provided with secondary cooling water circle mouth (7), to accelerate solidifying of liquid metal; Be provided with in the bottom of crystallizer (3) and draw spindle blade (9), draw spindle blade (9) that the frozen metal strand (8) in the crystallizer (3) is pulled out by this; Also be provided with vibrating device (10) in the outside of crystallizer (3), the vibration that produces by this vibrating device (10) makes the molten metal in the crystallizer accelerate to form crystalline solid.
2. a kind of metal electromagnetism as claimed in claim 1 is crossed casting device, it is characterized in that described induction coil (6), and its amplitude modulated magnetic field that applies in the crystallizer zone is Sine Wave Amplitude Modulation magnetic field or square wave amplitude modulated magnetic field or triangular wave amplitude modulated magnetic field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620046944 CN200988095Y (en) | 2006-10-19 | 2006-10-19 | Metal electromagnetic continuous casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620046944 CN200988095Y (en) | 2006-10-19 | 2006-10-19 | Metal electromagnetic continuous casting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200988095Y true CN200988095Y (en) | 2007-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620046944 Expired - Fee Related CN200988095Y (en) | 2006-10-19 | 2006-10-19 | Metal electromagnetic continuous casting device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478191B (en) * | 2009-02-10 | 2010-09-01 | 常州凯达轧辊集团有限公司 | Process for producing wind power generator by casting technique |
| CN102019385A (en) * | 2010-09-21 | 2011-04-20 | 上海大学 | Modulation method of continuous casting electromagnetic stirring magnetic field generator |
| CN102286670A (en) * | 2011-09-05 | 2011-12-21 | 上海大学 | Method for preparing macroscopic direct through type porous metal materials and continuous casting device thereof |
| CN102321823A (en) * | 2011-09-05 | 2012-01-18 | 上海大学 | Method for preparing directional porous material by bubble injection coupling pulling-up directional solidification and directional solidification device thereof |
| CN103600045A (en) * | 2013-11-18 | 2014-02-26 | 上海大学 | Continuous steel casting process and device with function of electromagnetic excitation compound mechanical stirring |
| CN104209499A (en) * | 2013-05-29 | 2014-12-17 | 宝山钢铁股份有限公司 | Low frequency pulsed magnet field fine-grain solidification method for causing melt oscillation through electromagnetic force |
-
2006
- 2006-10-19 CN CN 200620046944 patent/CN200988095Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478191B (en) * | 2009-02-10 | 2010-09-01 | 常州凯达轧辊集团有限公司 | Process for producing wind power generator by casting technique |
| CN102019385A (en) * | 2010-09-21 | 2011-04-20 | 上海大学 | Modulation method of continuous casting electromagnetic stirring magnetic field generator |
| CN102286670A (en) * | 2011-09-05 | 2011-12-21 | 上海大学 | Method for preparing macroscopic direct through type porous metal materials and continuous casting device thereof |
| CN102321823A (en) * | 2011-09-05 | 2012-01-18 | 上海大学 | Method for preparing directional porous material by bubble injection coupling pulling-up directional solidification and directional solidification device thereof |
| CN102321823B (en) * | 2011-09-05 | 2013-05-08 | 上海大学 | Method for preparing directional porous material by bubble injection coupling pulling-up directional solidification and directional solidification device thereof |
| CN104209499A (en) * | 2013-05-29 | 2014-12-17 | 宝山钢铁股份有限公司 | Low frequency pulsed magnet field fine-grain solidification method for causing melt oscillation through electromagnetic force |
| CN104209499B (en) * | 2013-05-29 | 2017-02-08 | 宝山钢铁股份有限公司 | Low frequency pulsed magnet field fine-grain solidification method for causing melt oscillation through electromagnetic force |
| CN103600045A (en) * | 2013-11-18 | 2014-02-26 | 上海大学 | Continuous steel casting process and device with function of electromagnetic excitation compound mechanical stirring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20131019 |