CN105195697A - Electromagnetic rotational flow device opened at single side and support device thereof - Google Patents
Electromagnetic rotational flow device opened at single side and support device thereof Download PDFInfo
- Publication number
- CN105195697A CN105195697A CN201410256671.4A CN201410256671A CN105195697A CN 105195697 A CN105195697 A CN 105195697A CN 201410256671 A CN201410256671 A CN 201410256671A CN 105195697 A CN105195697 A CN 105195697A
- Authority
- CN
- China
- Prior art keywords
- flow device
- eddy flow
- electromagnetic eddy
- iron core
- rotational flow
- 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
Abstract
The invention discloses an electromagnetic rotational flow device opened at a single side and a support device thereof and belongs to the technical field of continuous casting. The electromagnetic rotational flow device opened at the single side and the support device thereof are convenient to install, under the circumstance that water gap electromagnetic rotational flow is guaranteed, the continuous casting operation at the site is considered sufficiently, and the operation space of site workers is increased to the greatest extent. The electromagnetic rotational flow device comprises an electromagnetic rotational flow device body provided with an opening in one side, and the electromagnetic rotational flow device body is internally provided with an iron core and windings; the iron core is provided with an opening in one side and is in a tooth socket shape, the opening of the iron core corresponds to the opening of the electromagnetic rotational flow device body, and the windings are arranged on the iron core. The support device of the electromagnetic rotational flow device is composed of a support rod, one end of the support rod is fixedly connected with the electromagnetic rotational flow device body, and the other end of the support rod is fixedly connected with a tundish crossbeam.
Description
Technical field
The invention belongs to continuous casting technical field, be specifically related to a kind of electromagnetic eddy flow device and bracing or strutting arrangement thereof of single-open.
Background technology
Along with the application and development of continuous casting technology, particularly because user is to the keen competition of the more and more higher requirement of steel product quality and international market, the quality of continuous casting billet more and more comes into one's own, and reduces casting blank defect, thus raising steel product quality has become work important in continuous casting production further.
The flow regime of Mold directly affects the quality of strand and the Content and distribution of non-metallic inclusion.At present, improve the mode mainly technology such as M-EMS, electromagnetic braking of the flow state of molten steel in crystallizer, because crystallizer is made up of the copper coin of water flowing, magnetic field is by the shielding of copper coin, very large decay can be produced, have a strong impact on effect and the efficiency of electromagnetic field.
And the rotational flow of molten steel can improve uniformity and the stability that the mouth of a river goes out stream effectively in submersed nozzle, improve flow regime and the Temperature Distribution of Mold, reduce crystallizer menisci liquid fluctuating, effectively can improve slab quality.Make water nozzle electromagnetic eddy flow device, molten steel eddy flow can be produced in submersed nozzle, prevention of immersed nozzle clogging, and the molten steel swirling two-phase flows in submersed nozzle can drive Mold to rotate, and plays the effect of M-EMS.Because mouth of a river material does not have shield effectiveness to magnetic field, therefore electromagnetic eddy flow device can have better magnetic field utilization rate than M-EMS, and size is less, and cost is lower.
But, if want to adopt electromagnetic eddy flow technology in submersed nozzle region, the technological operation such as to change owing to often there being the mouth of a river online, and sometimes in order to solution of emergent event, need to consider especially.The people such as Northeastern University He Ji one-tenth in 2005 application application number be 200510047290.6 Chinese invention patent " electromagnetic eddy flow downspout ", wherein, electromagnetic eddy flow device adopts 360 degree of overall ring type structures, 180 degree of semi-annular structures or 360 degree of split ring type structures.Adopt the electromagnetic eddy flow device of 360 degree of conventional overall ring type structures can cause very large impact to existing continuous casting process; Adopt the electromagnetic eddy flow device magnetic field output of 180 degree of semi-annular structures very low; Adopt the electromagnetic eddy flow device water route Circuits System of 360 degree of split ring type structures huge, be unfavorable for on-the-spot installing and using.
For these reasons, must redesign electromagnetic eddy flow device, make it can meet the requirement of electromagnetic eddy flow continuous casting, very large impact is not caused on existing continuous casting process again.
Summary of the invention
For prior art Problems existing, the invention provides a kind of electromagnetic eddy flow device and bracing or strutting arrangement thereof of single-open easy for installation.The present invention, when ensureing mouth of a river electromagnetic eddy flow, takes into full account on-the-spot continuous casting operation, increases the operating space of field worker as far as possible.
To achieve these goals, the present invention adopts following technical scheme: a kind of electromagnetic eddy flow device of single-open, comprises the electromagnetic eddy flow device body that side has opening, in described electromagnetic eddy flow device body, is provided with iron core and winding; Described iron core is the teeth groove type that side has opening, and the opening of iron core is corresponding with the opening of electromagnetic eddy flow device body, and described winding is around the home on iron core.
Described iron core has three outstanding teeth, wherein outside two tooth symmetries be distributed in submersed nozzle both sides.
Described winding is around the home on three of iron core outstanding teeth.
The non-open side of described iron core is linear pattern or camber.
The bracing or strutting arrangement of the electromagnetic eddy flow device of described single-open, is made up of support bar, and one end of support bar is fixedly connected with electromagnetic eddy flow device body, and the other end is fixedly connected with tundish crossbeam.
Described support bar is Collapsible structure.
Be fixedly connected with by the fixation steel plate of tundish crossbeam between described support bar with tundish crossbeam.
Compared with prior art, beneficial effect of the present invention:
1, winding space of the present invention is large, can ensure enough electromagnetic eddy flow intensity, meet the needs of electromagnetic eddy flow; Molten steel can be made to produce in submersed nozzle rotate more by force, effectively can improve uniformity and stability that the mouth of a river goes out stream, and then improve the behavior of Mold movable pole point, improve continuous casting billet quality;
2, electromagnetic eddy flow device of the present invention is arranged on the side of submersed nozzle, makes opposite side have enough spaces to carry out observing mold liquid level to field worker, chooses slag and add the operation of covering slag;
3, the present invention can regain when not using, and shifts out in use, and the online replacing not affecting the mouth of a river waits operation, can ensure the smooth and easy operation of electromagnetic eddy flow continuous casting to greatest extent;
In sum, the electromagnetic eddy flow device of single-open of the present invention and bracing or strutting arrangement thereof neither affect existing continuous casting process, effectively can control again the mouth of a river and Mold flowing, effectively improve the quality of strand.The present invention generally can be applicable to existing square billet, circle base and slab caster.
Accompanying drawing explanation
Fig. 1 is the iron core of electromagnetic eddy flow device of the present invention and the structural representation of winding;
Fig. 2 is the top view after electromagnetic eddy flow device of the present invention is connected with bracing or strutting arrangement;
Fig. 3 is the side view after electromagnetic eddy flow device of the present invention is connected with bracing or strutting arrangement;
Wherein: 1. electromagnetic eddy flow device body; 2. submersed nozzle; 3. bracing or strutting arrangement; 4. the fixation steel plate of tundish crossbeam; 5. iron core; 6. winding; 7. tundish crossbeam; 8. support bar; 9. tooth.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in FIG. 1 to 3, a kind of electromagnetic eddy flow device of single-open, comprises the electromagnetic eddy flow device body 1 that side has opening, is provided with iron core 5 and winding 6 in described electromagnetic eddy flow device body 1; Described iron core 5 has the teeth groove type of opening for side, and the attached opening of iron core is corresponding with the opening of electromagnetic eddy flow device body 1, and described winding 6 is around the home on iron core 5.
Described iron core 5 has three outstanding teeth 9, wherein outside two tooth symmetries be distributed in submersed nozzle 2 both sides.
Described winding 6 is around the home on three of iron core 5 outstanding teeth 9, that is: winding 6 concentrates on the side of submersed nozzle 2.
The non-open side of described iron core 5 is linear pattern or camber.
The bracing or strutting arrangement of the electromagnetic eddy flow device of described single-open, is made up of support bar 8, and one end of support bar 8 is fixedly connected with electromagnetic eddy flow device body 1, and the other end is fixedly connected with tundish crossbeam 7.
Described support bar 8 is Collapsible structure, and adopt the modes such as pneumatic or mechanical, its length is determined by the distance between tundish crossbeam 7 and submersed nozzle 2.Described support bar 8 is fixedly connected with the fixation steel plate 4 by tundish crossbeam between tundish crossbeam 7, that is: support bar 8 is suspended on tundish crossbeam 7 by the fixation steel plate 4 being fixed on the tundish crossbeam on tundish crossbeam 7; The size of the fixation steel plate 4 of tundish crossbeam is determined by the size of tundish crossbeam 7, and the fixation steel plate 4 of tundish crossbeam can adopt welding or bolted mode to be fixed on tundish crossbeam 7.Mode with bolts between support bar 8 and the fixation steel plate 4 of tundish crossbeam is fixedly connected with.
Electromagnetic eddy flow device of the present invention is powered by power cabinet, described power cabinet can provide 0 ~ 800Hz, the electric current of 0 ~ 1000A, can make magnetic field produce clockwise or be rotated counterclockwise, molten steel can be made in submersed nozzle 2 to produce clockwise or counterclockwise rotational flow.The height h of described electromagnetic eddy flow device body 1 is 80 ~ attached 00mm; The width x of the opening of electromagnetic eddy flow device body 1 is 30 ~ 200mm.
Embodiment one
In the present embodiment, power cabinet can provide 8Hz, the electric current of 1000A, magnetic field can be made to produce and turn clockwise.The height h of electromagnetic eddy flow device body 1 is 80mm, and the width x of opening is 30mm, and the attached non-open side of described iron core is camber.Support bar 8 is Collapsible structure, adopts pneumatic mode transmission.The fixation steel plate 4 of tundish crossbeam adopts the mode of welding to be fixed on tundish crossbeam 7.Mode with bolts between support bar 8 and the fixation steel plate 4 of tundish crossbeam is fixedly connected with.
Embodiment two
In the present embodiment, power cabinet can provide 300Hz, the electric current of attached 00A, magnetic field can be made to produce and turn clockwise.The height h of electromagnetic eddy flow device body 1 is 300mm, and the width x of opening is 100mm, and the non-open side of described iron core 5 is camber.Support bar 8 is Collapsible structure, adopts mechanical system transmission.The mode that the fixation steel plate 4 of tundish crossbeam is with bolts is fixed on tundish crossbeam 7.Mode with bolts between support bar 8 and the fixation steel plate 4 of tundish crossbeam is fixedly connected with.
Embodiment three
In the present embodiment, power cabinet can provide 800Hz, the electric current of 200A, magnetic field can be made to produce and be rotated counterclockwise.The height h of electromagnetic eddy flow device body 1 is 500mm, and the width x of opening is 200mm, and the non-open side of described iron core 5 is linear pattern.Support bar 8 is Collapsible structure, adopts gear manner transmission.The fixation steel plate 4 of tundish crossbeam adopts the mode of welding to be fixed on tundish crossbeam 7.Mode with bolts between support bar 8 and the fixation steel plate 4 of tundish crossbeam is fixedly connected with.
The above, be only better possible embodiments of the present invention, and be not used to limit protection scope of the present invention.
Below in conjunction with accompanying drawing, a use procedure of the present invention is described:
As such as 1 ~ as indicated at 3, the present invention in use, is first regulated the length of support bar 8, and is arranged on outside the central region of submersed nozzle 2 by electromagnetic eddy flow device of the present invention by opening.
The present invention can be recovered to when not using near tundish crossbeam 7, and the online replacing not affecting the mouth of a river waits operation.The closed of field circuit ensure that magnetic field intensity to greatest extent, molten steel can be made to produce and rotate more by force, effectively can improve continuous casting billet quality, and ensure the smooth and easy operation of electromagnetic eddy flow continuous casting to greatest extent in submersed nozzle 2.
Claims (7)
1. an electromagnetic eddy flow device for single-open, is characterized in that comprising the electromagnetic eddy flow device body that side has opening, in described electromagnetic eddy flow device body, is provided with iron core and winding; Described iron core is the teeth groove type that side has opening, and the opening of iron core is corresponding with the opening of electromagnetic eddy flow device body, and described winding is around the home on iron core.
2. the electromagnetic eddy flow device of single-open according to claim 1, is characterized in that described iron core has three outstanding teeth, wherein outside two tooth symmetries be distributed in submersed nozzle both sides.
3. the electromagnetic eddy flow device of single-open according to claim 2, is characterized in that described winding around the home on three of iron core outstanding teeth.
4. the electromagnetic eddy flow device of single-open according to claim 1, is characterized in that the non-open side of described iron core is linear pattern or camber.
5. the bracing or strutting arrangement of the electromagnetic eddy flow device of single-open according to claim 1, is characterized in that being made up of support bar, and one end of support bar is fixedly connected with electromagnetic eddy flow device body, and the other end is fixedly connected with tundish crossbeam.
6. the bracing or strutting arrangement of the electromagnetic eddy flow device of single-open according to claim 5, is characterized in that described support bar is Collapsible structure.
7. the bracing or strutting arrangement of the electromagnetic eddy flow device of single-open according to claim 5, is characterized in that being fixedly connected with by the fixation steel plate of tundish crossbeam between described support bar with tundish crossbeam.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410256671.4A CN105195697A (en) | 2014-06-10 | 2014-06-10 | Electromagnetic rotational flow device opened at single side and support device thereof |
| PCT/CN2014/089881 WO2015188573A1 (en) | 2014-06-10 | 2014-10-30 | Continuous casting method and device with electromagnetic swirling nozzle |
| JP2016526442A JP6185666B2 (en) | 2014-06-10 | 2014-10-30 | Method and apparatus for continuous casting of electromagnetic swirl flow nozzle |
| KR1020167036195A KR101934495B1 (en) | 2014-06-10 | 2014-10-30 | Continuous casting method and device with electromagnetic swirling nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410256671.4A CN105195697A (en) | 2014-06-10 | 2014-06-10 | Electromagnetic rotational flow device opened at single side and support device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105195697A true CN105195697A (en) | 2015-12-30 |
Family
ID=54943839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410256671.4A Pending CN105195697A (en) | 2014-06-10 | 2014-06-10 | Electromagnetic rotational flow device opened at single side and support device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105195697A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106166609A (en) * | 2016-08-30 | 2016-11-30 | 湖南中科电气股份有限公司 | A kind of submersed nozzle electromagnetic eddy flow device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256165A (en) * | 1978-06-23 | 1981-03-17 | Mannesmann Aktiengesellschaft | Stirring of molten metal core in a casting as withdrawn from a machine for continuous casting |
| US4749026A (en) * | 1985-04-10 | 1988-06-07 | Paul Metz | Device for stirring molten metal in a continuous casting plant |
| CN2873367Y (en) * | 2005-09-29 | 2007-02-28 | 赫冀成 | Electromagnetic rotational flow water tap |
| CN101259523A (en) * | 2008-04-18 | 2008-09-10 | 东北大学 | Electro-magnetic braking device for controlling molten metal flow in continuous cast crystallizer |
| CN101590516A (en) * | 2008-05-30 | 2009-12-02 | Abb公司 | A kind of continuous casting installation for casting |
| CN203155970U (en) * | 2013-03-05 | 2013-08-28 | 上海大学 | Opening type magnetic stirrer for nozzle swirl |
| CN203155966U (en) * | 2013-03-05 | 2013-08-28 | 上海大学 | Apparatus for preventing ladle slag |
| CN203956039U (en) * | 2014-06-10 | 2014-11-26 | 东北大学 | A kind of electromagnetic eddy flow device and bracing or strutting arrangement thereof of one-sided opening |
-
2014
- 2014-06-10 CN CN201410256671.4A patent/CN105195697A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256165A (en) * | 1978-06-23 | 1981-03-17 | Mannesmann Aktiengesellschaft | Stirring of molten metal core in a casting as withdrawn from a machine for continuous casting |
| US4749026A (en) * | 1985-04-10 | 1988-06-07 | Paul Metz | Device for stirring molten metal in a continuous casting plant |
| CN2873367Y (en) * | 2005-09-29 | 2007-02-28 | 赫冀成 | Electromagnetic rotational flow water tap |
| CN101259523A (en) * | 2008-04-18 | 2008-09-10 | 东北大学 | Electro-magnetic braking device for controlling molten metal flow in continuous cast crystallizer |
| CN101590516A (en) * | 2008-05-30 | 2009-12-02 | Abb公司 | A kind of continuous casting installation for casting |
| CN203155970U (en) * | 2013-03-05 | 2013-08-28 | 上海大学 | Opening type magnetic stirrer for nozzle swirl |
| CN203155966U (en) * | 2013-03-05 | 2013-08-28 | 上海大学 | Apparatus for preventing ladle slag |
| CN203956039U (en) * | 2014-06-10 | 2014-11-26 | 东北大学 | A kind of electromagnetic eddy flow device and bracing or strutting arrangement thereof of one-sided opening |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106166609A (en) * | 2016-08-30 | 2016-11-30 | 湖南中科电气股份有限公司 | A kind of submersed nozzle electromagnetic eddy flow device |
| CN106166609B (en) * | 2016-08-30 | 2018-06-29 | 湖南中科电气股份有限公司 | A kind of submersed nozzle electromagnetic eddy flow device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104107891B (en) | The electromagnetic inductor of continuous casting crystallizer for plate billet electromagnetic mixing apparatus | |
| CN100357049C (en) | Electromagnetic eddy flow downspout | |
| CN201432083Y (en) | Deformed magnesium alloy ingot casting shunt plate | |
| CN103962540A (en) | Continuous casting tundish, crystallizer molten steel flow control device and using method | |
| CN105728679A (en) | Magnetic shielding type multi-mode meniscus electromagnetic stirring system and method for continuous casting of square and round billets | |
| CN105312521A (en) | Electromagnetic rotational flow device with one open side and closed magnetic circuit and supporting device thereof | |
| CN202984588U (en) | Casting system of casing for aerogenerator base | |
| CN105195697A (en) | Electromagnetic rotational flow device opened at single side and support device thereof | |
| CN207857807U (en) | A kind of continuous casting electromagnetic stirrer | |
| Shakhov et al. | Electromagnetic Stirring in Continuous-Casting Machines | |
| CN203956039U (en) | A kind of electromagnetic eddy flow device and bracing or strutting arrangement thereof of one-sided opening | |
| CN203956040U (en) | A kind of two lobe formula submersed nozzle electromagnetic eddy flow device and bracing or strutting arrangements thereof | |
| CN202804119U (en) | Ingot pulling-out device for steel-making continuous-casting process | |
| CN202479461U (en) | Immersion type rotational-flow water gap for continuous casting | |
| CN103203450A (en) | Electromagnetic rotational flow water gap for continuous casting | |
| CN201455252U (en) | Medium and thin slab continuous casting submerged nozzle | |
| CN201511110U (en) | Slab continuous casting effective roller-type electromagnetic stirring device | |
| CN105268935A (en) | Two-part type immersion type water opening electromagnetic cyclone device and supporting device thereof | |
| CN203109189U (en) | Novel crystallizer of slab continuous casting pouring square billet | |
| CN206104816U (en) | Edulcoration the gating system | |
| CN202185569U (en) | Electromagnetic stirring device for crystallizer | |
| CN202427909U (en) | Built-in type traveling wave magnetic field electromagnetic mixing sensor | |
| CN103317106B (en) | Method and device for improving casting quality of large steel ingots | |
| CN203917905U (en) | A kind of continuous casting tundish and crystallizer molten steel flow control apparatus | |
| CN203184640U (en) | Electromagnetism rotational flow water gap for continuous casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |