CN202343895U - Iron core shielding roller type electromagnetic stirring inductor - Google Patents
Iron core shielding roller type electromagnetic stirring inductor Download PDFInfo
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- CN202343895U CN202343895U CN2011204535036U CN201120453503U CN202343895U CN 202343895 U CN202343895 U CN 202343895U CN 2011204535036 U CN2011204535036 U CN 2011204535036U CN 201120453503 U CN201120453503 U CN 201120453503U CN 202343895 U CN202343895 U CN 202343895U
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Abstract
The utility model relates to an iron core shielding roller type electromagnetic stirring inductor which comprises an iron core and a coil winding, wherein the iron core is a combined iron core, the coil winding is segmentally wound on the outer surface of the combined iron core at intervals, the combined iron core and the coil winding are arranged in a hollow roller at intervals and are fixed by iron core shaft ends arranged at two ends, and the combined iron core and the coil winding rotatably move relatively to the hollow roller; the combined iron core comprises an iron core, a U-shaped shielding ring and O-shaped shielding rings, the iron core is formed by a main iron core and a secondary iron core, the U-shaped shielding ring annularly wraps the outer side of the secondary iron core and the inner side of the coil winding, the O-shaped shielding rings are arranged at two ends of the iron core and the coil winding, and magnetic poles are arranged among all the coil windings wound on the main iron core. According to the iron core shielding roller type electromagnetic stirring inductor, the efficiency of a roller type electromagnetic stirring device is improved, the magnetic conducting area of the iron core is increased, the intensity of the magnetic field is enhanced, and the electromagnetic stirring force is strengthened, thereby solving the problems that the stirring force is insufficient, the efficiency is low, the electromagnetic stirring force is weak, and magnetic leakage in a non-working area is great.
Description
Technical field
The utility model relates to the magnetic stirrer of metallurgical sheet billet continuous casting process equipment technical field, refers in particular to a kind of iron core shielding roll-type electromagnetic agitation inductor.
Background technology
At present, various slab S-EMS versions are arranged, mainly contain: box electromagnetic mixing apparatus, magnetic pole plug-in type electromagnetism agitating device and roll-type electromagnetic mixing apparatus.The roll-type electromagnetic mixing apparatus has particular structural, and its utilization is contained in the hollow roll (function class is similar to slab caster support guide roller), adopts the very compact electromagnetic induction coil (travelling-magnetic-field inductor) of particular design, structure that the liquid core in the metal base shell is carried out electromagnetic agitation.In recent years, the roll-type electromagnetic mixing apparatus is convenient to easy for installationly because of it, in slab S-EMS, is used more and more.But existing roll-type electromagnetic mixing apparatus; There are following defective and deficiency: 1, at the outer suit ring shielding magnetism of coil windings; Because of the outer magnetic masking layer thickness of coil; (compare) this in identical space and certainly will will reduce the sectional area of coil windings and iron core greatly, promptly reduced the number of ampere turns and the magnetic conductive area of roll-type electromagnetic mixing apparatus widely, also just reduced electromagnetic stirring force with unshielded layer; 2, the roll-type electromagnetic mixing apparatus of unshielded layer, distribution is radially evenly dispersed along iron core in magnetic field, and leakage field is big, and work magnetic field is little, and the shared ratio of useful work is little, and poor efficiency equally consumes energy.3, coil is entirely around the formula cylinder-shaped iron core, and its coil is equivalent to magnetic masking layer, when improving the winding space utilization rate, has shielded a part of effective work magnetic field, makes it be enclosed in core interior and loss, meritorious magnetic field inefficiency.
Summary of the invention
The purpose of the utility model is to improve and innovate to the shortcoming that exists in the background technology and problem; A kind of roll-type electromagnetic stirrer coil coiling space that both increased is provided; Increase the magnetic flux density of working region again, reduced the iron core shielding roll-type electromagnetic agitation inductor of roll-type electromagnetic mixing apparatus inoperative zone leakage field simultaneously.
The technical scheme of the utility model is a kind of electromagnetic agitation inductor that comprises iron core and coil windings of structure, wherein:
Iron core is an assembling iron core, assembling iron core appearance overlap span coiling winding, and assembling iron core and coil windings are gapped to be arranged in the hollow roll, and fixes assembling iron core and coil windings and hollow roll relative rotary motion through the iron core axle head that two ends are provided with;
Described assembling iron core comprises the iron core of being made up of main iron core and time iron core; Ring wraps in time iron core outside and the inboard U-shaped shading ring of coil windings; With the O shape shading ring that is arranged on iron core and coil windings two ends, wherein respectively organizing of coiling is provided with magnetic pole on the main iron core between the coil windings.
The utlity model has following advantage and beneficial effect:
The utility model assembling iron core has improved DISTRIBUTION OF MAGNETIC FIELD, makes most magnetic fields flow to working surface through main iron core, has greatly improved the meritorious efficient of roll-type electromagnetic mixing apparatus; Through the shading ring effect on inoperative surface, greatly reduce the magnetic dispersion of inoperative surface direction, significantly reduced the influence of magnetic dispersion to peripheral equipment.In addition, be positioned at the coil windings two ends and be loaded on the inner shielding O shape ring of roller end axle, consumed the magnetic dispersion at the utility model both ends, protected the bearing at two ends better.The utility model thereby solved in the past the big problem of electromagnetic mixing apparatus inoperative zone magnetic dispersion has improved the effect of roll-type electromagnetic mixing apparatus.The utility model has removed coil external magnetism shielding ring of the prior art, thereby in same space, has increased the magnetic conductive area of iron core greatly, has increased magnetic field intensity, has increased electromagnetic stirring force.Solved the problem of the not enough and poor efficiency of roll-type electromagnetic mixing apparatus electromagnetic stirring force in the past.The utility model has solved the problem that meritorious magnetic field efficient is low in the existing technologies, electromagnetic stirring force is little, the regional magnetic dispersion of inoperative is big effectively, is the travelling-magnetic-field inductor of the efficient roll-type electromagnetic mixing apparatus of a kind of sheet billet continuous casting.
Description of drawings
Fig. 1 is the utility model cross-sectional view.
Fig. 2 is Figure 1A-A cross-sectional view.
Fig. 3 is Figure 1B-B cross-sectional view.
The specific embodiment
Can know that by Fig. 1 to 3 the utility model comprises iron core and coil windings, wherein:
Iron core is an assembling iron core; Assembling iron core appearance overlap span coiling winding 4; Assembling iron core and coil windings 4 gapped being arranged in the hollow roll 1, and fixing through the iron core axle head 8 of two ends setting, assembling iron core and coil windings 4 and hollow roll 1 relative rotary motion;
Described assembling iron core comprises the iron core of being made up of main iron core 2 and time iron core 5; Ring wraps in the U-shaped shading ring 3 of time iron core 5 outsides and coil windings 4 inboards; With the O shape shading ring 7 that is arranged on iron core and coil windings 4 two ends, wherein respectively organizing of coiling is provided with magnetic pole 6 on the main iron core 2 between the coil windings 4.
To put magnetic be electromagnetic agitation inductor working face to U-shaped shading ring 3 acyclic envelopes on the described main iron core of the utility model 2 and time iron core 5, and U-shaped shading ring 3 ring envelopes resistance magnetic are electromagnetic agitation inductor non-working surface.Described main iron core 2 is embedded mutually with time iron core 5 and puts, and main iron core 2 is made up of high permeability material, and inferior iron core 5 is made up of the high-strength structure material, and is provided with bosh 9 between main iron core 2 and time iron core 5, and bosh 9 is that groove leads to cooling water.To setting, and it is inboard to be in the space of coil windings 4 ring bags, promptly is sleeved between iron core and the coil windings 4 along iron mandrel for described U-shaped shading ring 3, and 120 °-300 ° of the angles of U-shaped shading ring 3 ring iron clad mandrels.Be provided with groove 10 between described iron core 5 and the U-shaped shading ring 3, groove 10 can lead to cooling water or cross line for groove.Described O shape shading ring 7 is arranged between iron core axle head 8 and main iron core 2 and time iron core 5 ends, and is in the outside, coil windings 4 ends, is used to stop assembling iron core two ends magnetic dispersion.Described U-shaped shading ring 3 all adopts non magnetic with O shape shading ring 7 and has the material of high-quality conductive characteristic to process.
The design principle of the utility model:
The travelling-magnetic-field inductor of the utility model is that assembling iron core+coil windings 4 is linear response engines, and the electromagnetic agitation magnetic sensors produces magnetic field B, and Movement in Magnetic Field speed is v (B depends on coil current, and v depends on frequency).Magnetic field produces eddy current in the liquid metals the inside.B and I have produced body force F (F ∧ B, I) F=
.Body force has produced molten metal and has flowed, and promptly molten metal is realized stirring.
The structural principle of the utility model:
The utility model is made up of assembling iron core, coil windings 4; Assembling iron core is made up of main iron core 2, inferior iron core 5, U-shaped shading ring 3, O shape shading ring 7 and magnetic pole 6; Fix through iron core axle head 8 two ends, be positioned at hollow roll 1, during work and hollow roll 1 rotate relatively.U-shaped shading ring 3 rings wrap on time iron core 5 cylinders outside, and are in coil windings 4 inboards; O shape shading ring 7 is in core ends and end turn outer fix; Be wound on to coil windings 4 overlap spans the assembling iron core appearance.U-shaped shading ring 3 is axial arranged along iron core, and being in coil windings 4, to encircle the space of bag inboard, promptly is sleeved between iron core and the coil windings 4, and 120 °-300 ° of the angles of U-shaped shading ring 3 ring iron clad mandrels.O shape shading ring 7 is close to main iron core 2 with time iron core 5 ends and be in the outside, coil windings 4 ends.There are the gap in 1 of coil windings 4 and hollow roll, coil windings 4 outer no ring shielding magnetisms.U-shaped shading ring 3 all adopts non magnetic with O shape shading ring 7 and is made up of the material of high-quality conductive characteristic.Main iron core 2 has different permeances with time iron core 5, and main iron core 2 is made up of with time iron core 5 high permeability material and is made up of the high-strength structure material, between main iron core 2 and time iron core 5 bosh 9 is arranged, and bosh 9 is a groove.Between inferior iron core 5 and the U-shaped shading ring 3 groove 10 is arranged, groove 10 is a groove; And the function of line is cooled off and is crossed in the tool water flowing.
The result of the utility model trial-production reduces by 10% with respect to coil external shield product stray field, and central magnetic field increases by 5%, has increased mixing power simultaneously thereby reduced stray field effectively.
The described embodiment of the utility model only is the description that the preferred implementation of the utility model is carried out; Be not that the utility model design and scope are limited; Under the prerequisite that does not break away from the utility model design philosophy, engineers and technicians make the technical scheme of the utility model in this area various modification and improvement all should fall into the protection domain of the utility model; The technology contents that the utility model is asked for protection all is documented in claims.
Claims (7)
1.
OnePlant iron core shielding roll-type electromagnetic agitation inductor, comprise iron core and coil windings, it is characterized in that:
Iron core is an assembling iron core; Assembling iron core appearance overlap span coiling winding (4); Assembling iron core and coil windings (4) are gapped to be arranged in the hollow roll (1); And fixing through the iron core axle head (8) of two ends setting, assembling iron core and coil windings (4) and hollow roll (1) relative rotary motion;
Described assembling iron core comprises the iron core of being made up of main iron core (2) and time iron core (5); Ring wraps in time iron core (5) outside and the inboard U-shaped shading ring (3) of coil windings (4); With the O shape shading ring (7) that is arranged on iron core and coil windings (4) two ends, wherein main iron core (2) is gone up respectively organizing of coiling and is provided with magnetic pole (6) between the coil windings (4).
2. iron core shielding roll-type electromagnetic agitation inductor according to claim 1; It is characterized in that it is electromagnetic agitation inductor working face that last U-shaped shading ring (3) the acyclic envelope of described main iron core (2) and time iron core (5) is put magnetic, U-shaped shading ring (3) ring envelope resistance magnetic is electromagnetic agitation inductor non-working surface.
3. iron core shielding roll-type electromagnetic agitation inductor according to claim 1; It is characterized in that described main iron core (2) and time iron core (5) are embedded mutually puts; Main iron core (2) is made up of high permeability material; Inferior iron core (5) is made up of the high-strength structure material, and is provided with bosh (9) between main iron core (2) and time iron core (5), and bosh (9) can lead to cooling water for groove.
4. iron core shielding roll-type electromagnetic agitation inductor according to claim 1; It is characterized in that described U-shaped shading ring (3) along iron mandrel to setting; And the space that is in coil windings (4) ring bag is inboard; Promptly be sleeved between iron core and the coil windings (4), and 120 °-300 ° of the angles of U-shaped shading ring (3) ring iron clad mandrel.
5. iron core shielding roll-type electromagnetic agitation inductor according to claim 1 is characterized in that being provided with groove (10) between described iron core (5) and the U-shaped shading ring (3), and groove (10) can lead to cooling water or cross line for groove.
6. iron core shielding roll-type electromagnetic agitation inductor according to claim 1; It is characterized in that described O shape shading ring (7) is arranged between iron core axle head (8) and main iron core (2) and time iron core (5) end; And be in the outside, coil windings (4) end, be used to stop assembling iron core two ends magnetic dispersion.
7. iron core according to claim 1 shielding roll-type electromagnetic agitation inductor is characterized in that described U-shaped shading ring (3) and O shape shading ring (7) all adopt non magnetic and have the material of high-quality conductive characteristic to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204535036U CN202343895U (en) | 2011-11-16 | 2011-11-16 | Iron core shielding roller type electromagnetic stirring inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204535036U CN202343895U (en) | 2011-11-16 | 2011-11-16 | Iron core shielding roller type electromagnetic stirring inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202343895U true CN202343895U (en) | 2012-07-25 |
Family
ID=46532924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204535036U Expired - Fee Related CN202343895U (en) | 2011-11-16 | 2011-11-16 | Iron core shielding roller type electromagnetic stirring inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202343895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389956A (en) * | 2011-11-16 | 2012-03-28 | 湖南科美达电气股份有限公司 | Iron-core shielding roller type electromagnetic stirring sensor |
| CN104096813A (en) * | 2013-04-12 | 2014-10-15 | 宝山钢铁股份有限公司 | Magnetic field generator and electromagnetic stirring device adopting magnetic field generator |
-
2011
- 2011-11-16 CN CN2011204535036U patent/CN202343895U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389956A (en) * | 2011-11-16 | 2012-03-28 | 湖南科美达电气股份有限公司 | Iron-core shielding roller type electromagnetic stirring sensor |
| CN102389956B (en) * | 2011-11-16 | 2013-09-25 | 湖南科美达电气股份有限公司 | Iron-core shielding roller type electromagnetic stirring sensor |
| CN104096813A (en) * | 2013-04-12 | 2014-10-15 | 宝山钢铁股份有限公司 | Magnetic field generator and electromagnetic stirring device adopting magnetic field generator |
| CN104096813B (en) * | 2013-04-12 | 2016-10-05 | 宝山钢铁股份有限公司 | Magnetic field generator and the electromagnetic mixing apparatus of employing magnetic field generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20141116 |
|
| EXPY | Termination of patent right or utility model |