CN101878080A - Brake/stirring coil arrangement on strand casting molds - Google Patents
Brake/stirring coil arrangement on strand casting molds Download PDFInfo
- Publication number
- CN101878080A CN101878080A CN2008801183214A CN200880118321A CN101878080A CN 101878080 A CN101878080 A CN 101878080A CN 2008801183214 A CN2008801183214 A CN 2008801183214A CN 200880118321 A CN200880118321 A CN 200880118321A CN 101878080 A CN101878080 A CN 101878080A
- Authority
- CN
- China
- Prior art keywords
- crystallizer
- continuous cast
- coil
- magnetic
- water tank
- 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.)
- Pending
Links
- 238000003756 stirring Methods 0.000 title abstract description 5
- 238000009749 continuous casting Methods 0.000 title abstract 3
- 230000005291 magnetic effect Effects 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 230000002349 favourable effect Effects 0.000 claims description 5
- 238000005325 percolation Methods 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 230000005426 magnetic field effect Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract 3
- 150000002739 metals Chemical class 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 3
- 102000012002 Aquaporin 4 Human genes 0.000 description 2
- 108010036280 Aquaporin 4 Proteins 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Images
Classifications
-
- 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
Abstract
In order to provide electromagnetic brake and/or stirring systems that are smaller but have the same output and to equip the same with an exterior mechanical protection against influences from the casting process in strand casting molds (1) of a strand casting system for casting fluid metals, particularly of fluid steel materials for producing slab and thin slab products with dimensional widths of 750-3500 mm, which are equipped with an electromagnetic brake and/or with an electromagnetic stirrer for improving the product quality by influencing the flow ratios within the fluid metal, the invention proposes that at least the magnetic coils (10) or the coil system of the electromagnetic brake and/or of the electromagnetic stirrer be completely integrated into the mold water tanks (3).
Description
The present invention relates to a kind of continuous cast mold of conticaster, be used for the pouring liquid metal, liquid steel material particularly, to produce the width size is slab and the sheet billet product of 750-3500mm, for the cooler crystallizer copper coin, with described continuous cast mold being surrounded by the crystallizer water tank of water percolation, in order to improve product quality, be equipped with the brake of electromagnetism and/or the agitator of electromagnetism for described continuous cast mold, described brake and/or agitator are made of the magnetic coil that has unshakable in one's determination and yoke, or constitute by the coil system of a plurality of magnetic coils combination, the magnetic field effect that magnetic coil produces produces favourable influence to the liquidity ratio of the liquid metal in the crystallizer.
Improve product quality for the mode that can adopt the liquidity ratio that makes in the continuous cast mold to be subjected to favourable influence, be known that to continuous cast mold to be equipped with the brake of electromagnetism and/or the agitator of electromagnetism.They are made of the coil that has unshakable in one's determination and yoke, utilize these coils to produce magnetic field, and magnetic field exerts an influence in the existing liquidity ratio of the inner liquid towards metal of crystallizer.In order to bring into play the effect in magnetic field as far as possible fully, need make the as close as possible continuous cast mold in magnetic field at this.Therefore, usually or make the braking of electromagnetism and/or stirring system after crystallizer is inserted in the conticaster, just adopt hydraulic pressure or electromagnetic mode, or make them in different devices, be fixedly mounted on the crystallizer of conticaster near crystallizer.Basically always make the iron core of coil or coil combination navigate to crystallizer from the outside or by on the water tank of water percolation or the copper coin back side here.
The brake apparatus of electromagnetism that WO 2004/022264A1 is disclosed is used for flowing into the steel fused mass of continuous cast mold comprises at least one magnetic coil, and magnetic coil has the ferromagnetic iron core that can attach troops to a unit in the crystallizer broad side surface.In order to reduce oscillating mass, improve magnetic field intensity simultaneously, one side unshakable in one's determination is made of major part, constitute by extention on the other hand, described major part is being held magnetic coil, and it is moving to be interval in the broad side surface wall shift, and described extention is arranged in the water tank of crystallizer regularly, and wherein these core portion produce the u shape yoke that is used to form the closed magnetic line of force in common operating position of moving.
The disclosed continuous cast mold of WO 02/38310A1 is configured with uses water-cooled double casing, is provided with the magnetic system of electromagnetism on the lateral surface of this continuous cast mold.Described double casing through suitably design, makes it surround this magnetic system at this, also makes this magnetic system cool off thus.
Also will mention DE 10 2,004 046 729 A1 at last, it discloses a kind of brake that is used for the magnetic of continuous cast mold, wherein mobile the exerting an influence of the magnetic field liquid towards metal that produces by the permanent magnet that is arranged on the crystallizer.In order to make change of magnetic field strength, can differently adjust (anstellbar) these permanent magnets in groups at different field strength distribution.Also stipulate at this, these permanent magnets are arranged in the water tank of continuous cast mold, and it can be adjusted to directly and contact with the crystallizer plate.
Based on described prior art, the objective of the invention is to, a kind of continuous cast mold of aforementioned type is proposed; wherein under the identical situation of power; the braking of electromagnetism and/or the size of stirring system are less, and are subjected to outside mechanical protection, in order to avoid be subjected to the influence of casting process.
Described purpose is by the feature of the characteristic of claim 1, adopt following measure to realize, promptly magnetic coil or the coil system to the agitator of the brake of major general's electromagnetism and/or electromagnetism is completely integrated in the crystallizer water tank, here, preferably make described magnetic coil to a great extent by the crystallizer water ring around flushing.Because magnetic coil or coil system are arranged in the crystallizer water tank, and crystallizer water pressure scope surpasses 0.5bar, so, described magnetic coil or coil system are contained in a kind of pressure vessel of the magnetic field not influence of this pressure vessel according to a kind of favourable design of the present invention to being produced.But also magnetic coil or coil system can be set directly in the crystallizer water, correspondingly plate one deck insulating materials for magnetic coil or coil system for this reason, avoid being subjected to electric current and voltge surge or short circuit to protect it.
According to the present invention, be freely or open to the setting of magnetic bobbin core and yoke.Can select different Variant Design as solution according to size or the needed magnetic field intensity that is used to influence liquid cell here.Therefore except magnetic coil, for example iron core can also be arranged on crystallizer water tank inside, and yoke is arranged on crystallizer water tank outside, make that perhaps having iron core is positioned at crystallizer water tank inside equally with a plurality of magnetic coils of the yoke that is connected.
Since at least one magnetic coil or the coil system of the agitator of the brake of electromagnetism and/or electromagnetism are integrated in the crystallizer water tank, so can obtain following advantage:
Coil main body in the-crystallizer and have the spacing between the to be influenced liquid steel to be reduced.Thus can so that the external dimensions suitability of coil and magnetic bobbin core and yoke reduced, and/or make that the needed number of turn obtains reducing.
-can directly cool off magnetic coil with the crystallizer cooling water, perhaps assist cooling with the crystallizer cooling water at least.The normally used in other cases additional cooling system (the inside cooling or the external refrigeration of tubular coil) that only is used for magnetic coil, no longer forcing needs, but may be used for additional cooling.Under any circumstance, all additional coolings that still only need reduce, and under individual cases, can also save additional cooling fully.
The mechanical protection of the outside that-magnetic coil obtains adding by the crystallizer water tank that surrounds them is in order to avoid be subjected to the influence of casting process and avoid being subjected to the influence of installation and removal process when needs are changed crystallizer.
Introduce other advantage of the present invention and details in detail by the embodiment that illustrates in the diagram below:
This accompanying drawing is the vertical cutaway view according to continuous cast mold 1 of the present invention.The continuous cast mold 1 of upper and lower all openings is made of copper plate of crystallizer 2 at side, and each side direction is connected with crystallizer water tank 3 on these copper plate of crystallizer.Each crystallizer water tank 3 all forms aquaporin 4, and cooling water is used for cooler crystallizer copper coin 2 with the described aquaporin 4 of certain speed percolation.In the inside of crystallizer water tank 3, be provided with magnetic coil 10 near copper plate of crystallizer 2 respectively, make described magnetic coil can be cooled water ring to a great extent around flushing (magnetic bobbin core and yoke are not shown).
In continuous cast mold 1, pass the end 1 ' insertion submersed nozzle (Tauchrohr) 5 of opening above it, liquid metal 8 is from the top inner chamber that is filled to continuous cast mold 1 via this submersed nozzle.The submersed nozzle stream 7 usefulness direction arrows that extend downwards from submersed nozzle 5 illustrate.So in the fringe region of copper plate of crystallizer 2, partial coagulation takes place liquid metal 8, make that the beam (Gie β sstrang) 9 that waters of continuous cast mold 1 can the " outflow downwards via the end 1 of lower aperture.By submersed nozzle stream 7, solidify beginning and the beam 9 that waters that flows out is released downwards
, liquid metal flows in continuous cast mold 1, and this flowing by 11 brakings of the magnetic coil that is produced field action perhaps is subjected to the favorable influence of compulsory whipping process.As shown in the figure, extend on the whole width of continuous cast mold 1 in the magnetic field that is produced, the length of the magnetic coil 10 shown in the length of extension equals.
Reference numerals list
1 continuous cast mold
2 copper plate of crystallizer
3 crystallizer water tanks
Aquaporin in the 4 crystallizer water tanks
5 submersed nozzles
6 crystallizer molten steel surfaces
7 submersed nozzles stream
8 liquid metals
9 water beam
10 magnetic coils
The field action of 11 magnetic coils
Claims (6)
1. the continuous cast mold of a conticaster (1), be used for the pouring liquid metal, liquid steel material particularly, to produce the width size is slab and the sheet billet product of 750-3500mm, for cooler crystallizer copper coin (2), with described continuous cast mold being surrounded by the crystallizer water tank (3) of water percolation, in order to improve product quality, be equipped with the brake of electromagnetism and/or the agitator of electromagnetism for described continuous cast mold, described brake and/or agitator are made of the magnetic coil (10) that has unshakable in one's determination and yoke, perhaps the coil system by a plurality of magnetic coil combinations constitutes, the magnetic field effect (11) that magnetic coil produces produces favourable influence to the liquidity ratio of the liquid metal in the crystallizer (8), it is characterized in that, be completely integrated in the crystallizer water tank (3) to the magnetic coil (10) or the coil system of the agitator of the brake of major general's electromagnetism and/or electromagnetism.
2. continuous cast mold as claimed in claim 1 (1) is characterized in that, be integrated in magnetic coil (10) in the crystallizer water tank (3) or integrated coil system to a great extent by the crystallizer water ring around flushing.
3. continuous cast mold as claimed in claim 1 or 2 (1) is characterized in that, magnetic coil (10) or coil system are set directly in the crystallizer water, and is coated with one deck insulating materials, avoids being subjected to electric current and voltge surge or short circuit to protect it.
4. continuous cast mold as claimed in claim 1 or 2 (1) is characterized in that, surpasses this situation of 0.5bar at crystallizer water pressure scope, and magnetic coil (10) or coil system are installed in the additional pressure vessel.
5. as claim 1,2,3 or 4 described continuous cast molds (1), it is characterized in that, except magnetic coil (10), also iron core is arranged on the inside of crystallizer water tank (3), and yoke is arranged on the outside of crystallizer water tank (3).
6. as claim 1,2,3 or 4 described continuous cast molds (1), it is characterized in that, will have the inside that unshakable in one's determination and a plurality of magnetic coils of the yoke that is connected are arranged on crystallizer water tank (3).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200710057424 DE102007057424A1 (en) | 2007-11-29 | 2007-11-29 | Brake / stirring coil arrangement on continuous casting molds |
| DE102007057424.1 | 2007-11-29 | ||
| PCT/EP2008/010116 WO2009068300A1 (en) | 2007-11-29 | 2008-11-28 | Brake/stirring coil arrangement on strand casting molds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101878080A true CN101878080A (en) | 2010-11-03 |
Family
ID=40263049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801183214A Pending CN101878080A (en) | 2007-11-29 | 2008-11-28 | Brake/stirring coil arrangement on strand casting molds |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2225058A1 (en) |
| CN (1) | CN101878080A (en) |
| DE (1) | DE102007057424A1 (en) |
| WO (1) | WO2009068300A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162550A (en) * | 2011-12-09 | 2013-06-19 | 北京有色金属研究总院 | Device and method for processing metal melt for casting |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115194107B (en) * | 2022-07-13 | 2023-05-16 | 沈阳工程学院 | Multi-stage independent adjustable composite magnetic field device and method for controlling metal liquid flow |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5611165A (en) * | 1979-07-06 | 1981-02-04 | Nippon Steel Corp | Mold for continuous casting of metal |
| JPS56139261A (en) * | 1980-03-29 | 1981-10-30 | Sumitomo Light Metal Ind Ltd | Continuous casting method for copper or copper alloy and its device |
| JPS5741861A (en) * | 1980-08-26 | 1982-03-09 | Mitsubishi Heavy Ind Ltd | Electromagntic stirrer in mold |
| JPS5945067A (en) * | 1982-09-08 | 1984-03-13 | Mitsubishi Heavy Ind Ltd | Continuous casting device |
| JPS6268663A (en) * | 1985-09-19 | 1987-03-28 | Kobe Steel Ltd | Cooling method for continuous casting device |
| JPH0790332B2 (en) * | 1987-11-11 | 1995-10-04 | 株式会社神戸製鋼所 | Continuous casting equipment |
| JPH06114503A (en) * | 1992-10-09 | 1994-04-26 | Nippon Steel Corp | Spray cooling mold for continuous casting |
| JP3289121B2 (en) * | 1994-04-25 | 2002-06-04 | 新日本製鐵株式会社 | Pure water recovery system of electromagnetic stirrer for continuous casting machine |
| SE0004082D0 (en) | 2000-11-08 | 2000-11-08 | Abb Ab | Casting metal device |
| JP4748875B2 (en) * | 2001-04-23 | 2011-08-17 | 新日鉄エンジニアリング株式会社 | Mold for electromagnetic stirrer |
| CN1362303A (en) * | 2001-12-28 | 2002-08-07 | 北京科技大学 | Preparing apparatus of semi-solid rheological iron and steel slurry |
| DE10237188A1 (en) | 2002-08-14 | 2004-02-26 | Sms Demag Ag | Electromagnetic braking device for steel melts flowing into a continuous casting mold, comprises a magnetic coil having a core consisting of a main part receiving a magnetic coil and travelling toward the wide side walls of a mold |
| CN1245267C (en) * | 2002-11-25 | 2006-03-15 | 河南金龙精密铜管股份有限公司 | Horizontal continuous electromagnetic casting method and equipment for copper and copper alloy ingot |
| JP4278423B2 (en) * | 2003-04-24 | 2009-06-17 | 新日本製鐵株式会社 | Molten metal continuous casting equipment |
| DE102004046729A1 (en) | 2003-12-18 | 2005-07-14 | Sms Demag Ag | Continuous casting mold, especially a thin slab mold, used in the continuous casting of metals comprises permanent magnets which give a varying filed strength using differing magnet strengths over the width and/or height |
| JP4546748B2 (en) * | 2004-03-08 | 2010-09-15 | 新日本製鐵株式会社 | Continuous casting mold |
| JP4262193B2 (en) * | 2004-11-26 | 2009-05-13 | 新日本製鐵株式会社 | Continuous casting mold |
| JP4769067B2 (en) * | 2005-11-22 | 2011-09-07 | 新日本製鐵株式会社 | Electromagnetic stirring mold for continuous casting |
| JP2007196285A (en) * | 2006-01-30 | 2007-08-09 | Nippon Steel Corp | Electromagnetic stirring mold for continuous casting and continuous casting method using this mold |
-
2007
- 2007-11-29 DE DE200710057424 patent/DE102007057424A1/en not_active Withdrawn
-
2008
- 2008-11-28 EP EP08854007A patent/EP2225058A1/en not_active Withdrawn
- 2008-11-28 CN CN2008801183214A patent/CN101878080A/en active Pending
- 2008-11-28 WO PCT/EP2008/010116 patent/WO2009068300A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162550A (en) * | 2011-12-09 | 2013-06-19 | 北京有色金属研究总院 | Device and method for processing metal melt for casting |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009068300A1 (en) | 2009-06-04 |
| DE102007057424A1 (en) | 2009-06-04 |
| EP2225058A1 (en) | 2010-09-08 |
| WO2009068300A8 (en) | 2009-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101103 |