CN203221191U - Magnetic guide structure iron core type electromagnetic stirring roller - Google Patents
Magnetic guide structure iron core type electromagnetic stirring roller Download PDFInfo
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- CN203221191U CN203221191U CN 201320245910 CN201320245910U CN203221191U CN 203221191 U CN203221191 U CN 203221191U CN 201320245910 CN201320245910 CN 201320245910 CN 201320245910 U CN201320245910 U CN 201320245910U CN 203221191 U CN203221191 U CN 203221191U
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Abstract
The utility model relates to a magnetic guide structure iron core type electromagnetic stirring roller which is formed by a protective roller sleeve and an inductor. The inductor comprises a magnetic circuit guide structure composite iron core, a dense winding coil group, a gathering magnetic opening sleeve and an end gathering magnetic plate, wherein the magnetic circuit guide structure composite iron core comprises a magnetic guide iron core, end magnetic poles arranged at the two ends of the iron core, middle magnetic poles arranged in the middle of the iron core, side gathering magnetic plates arranged on the two sides of the iron core in an attached mode, a bottom gathering magnetic arc plate arranged on the bottom of the iron core in an attached mode, middle gathering magnetic opening rings arranged in the middle of the iron core and arranged to be the same as the middle magnetic poles in width, position and number, and end gathering magnetic opening rings arranged at the two ends of the iron core and arranged to be the same as the end magnetic poles in width, position and number. Positions, opposite to the end magnetic poles and the middle magnetic poles, of the magnetic guide iron core, are further provided with end magnetic guide grooves and middle magnetic guide grooves respectively, and the corresponding magnetic poles and the corresponding magnetic guide grooves are the same in width. Because of the special design of the magnetic guide structure iron core type electromagnetic stirring roller, working magnetic resistance is reduced, and the magnetic flux density and magnetic flux of a working area are increased.
Description
Technical field
The utility model relates to metallurgical sheet billet continuous casting process equipment, refers in particular to a kind of magnetic steering structure iron core formula electromagnetic agitation roller.
Background technology
At present, various multi-form slab electromagnetic agitation versions are arranged.Mainly contain: box electromagnetic mixing apparatus, magnetic pole plug-in type electromagnetism agitating device and roll-type electromagnetic mixing apparatus are the electromagnetic agitation roller.The electromagnetic agitation roller has particular structure, and it not only molten steel was stirred but also the Zhi Chengzuo steel billet is equivalent to slab caster support guide roller.Adopt special construction electromagnetic inductor (travelling-magnetic-field inductor) compact to design that the liquid core of metal strand is carried out electromagnetic agitation.In recent years, the electromagnetic agitation roller is convenient to easy for installationly because of it, is used in slab S-EMS more and more.But existing roll-type electromagnetic mixing apparatus, have following defective and deficiency: 1, working gas gap is excessive, efficient low (anodontia core structure); 2, the gap between the winding is little, and there is magnetic circuit bottleneck (the tooth core structure is arranged) in the narrow easy magnetic saturation of work magnetic circuit, and two roller central magnetic field intensity are lower, the energy consumption height; 3, inoperative surface magnetic dispersion is bigger, and dispersion loss is bigger, and meritorious magnetic field efficient is low.
Summary of the invention
The purpose of this utility model is improved and is innovated at the shortcoming that exists in the background technology and problem, provide a kind of and can improve the magnetic field intensity of working region greatly, improved meritorious magnetic field efficient greatly, reduce inoperative zone leakage field, thereby reduced the energy-efficient magnetic steering structure iron core formula electromagnetic agitation roller of energy consumption effectively.
The technical solution of the utility model is a kind of electromagnetic agitation roller of being made up of protection roller shell and the inductor that is arranged in the protection roller shell of structure; its inductor comprises magnetic circuit guide frame assembling iron core; segmentation is wound on the densely packed coil group between the magnetic pole of magnetic circuit guide frame assembling iron core; be set in the outer poly-magnetic opening sleeve of densely packed coil group; be arranged at the end magnetic-collecting board at magnetic circuit guide frame assembling iron core two ends with coaxial applying, wherein:
Magnetic circuit guide frame assembling iron core comprises the magnetic steering iron core, be arranged on the end magnetic pole at magnetic steering iron core two ends, be arranged on the middle part magnetic pole at magnetic steering iron core middle part, applying is arranged on the side magnetic-collecting board of magnetic steering iron core both sides, applying is arranged on the poly-magnetic arc plate in bottom of magnetic steering iron core bottom, be arranged at magnetic steering iron core middle part and, coordination wide with the middle part magnetic pole, etc. the poly-magnetic split ring in middle part that arranges of number, and be arranged at magnetic steering iron core two ends and, coordination wide with the end magnetic pole, etc. the poly-magnetic split ring in end that arranges of number;
Described end magnetic pole and the relative position of middle part magnetic pole on the magnetic steering iron core also are respectively arranged with end magnetic steering groove and middle part magnetic steering groove, and end magnetic pole and end magnetic steering groove, middle part magnetic pole and middle part magnetic steering groove are wide.
Advantage of the present utility model and beneficial effect:
The utility model magnetic steering textural association iron core is innovative design, adopts the high-quality high permeability material, greatly increases by the magnetic flux density of core section and total magnetic flux under with the situation of constant power; Especially the innovation of the magnetic steering structure of magnetic steering iron core, logical magnetic surface by the coupling magnetic pole long-pending (it is quite long-pending that magnetic pole section is amassed with core section), so greatly reduced the magnetic resistance of working region, increase the air gap in inoperative zone simultaneously by the design of magnetic pole opposite air gap groove, thereby increase the magnetic resistance in inoperative zone, thereby distribution and the trend of guiding magnetic field in iron core, make that most magnetic fluxs flow to working surface through magnetic poles in the iron core, solve the magnetic circuit bottleneck that leads to working surface, greatly increased magnetic flux density and the magnetic flux of working region; The magnetic field gathering that the innovation of poly-magnetic opening sleeve (the magnetic aligning silicon steel of interior cover), poly-magnetic split ring and end magnetic-collecting board simultaneously further disperses the minority on inoperative surface, reveal is directed to the working region, has reduced electromagnetic agitation roller inoperative zone leakage field again greatly.
Innovation, the invention of the utility model magnetic steering textural association iron core, magnetic flux by iron core is induced, led, make that most magnetic fluxs flow to working surface through the magnetic pole suitable with the core section area in the iron core, solved the magnetic circuit bottleneck that leads to working surface, reduced the work magnetic resistance widely, increased magnetic flux density and the magnetic flux of working region, innovation, the invention of poly-magnetic opening sleeve, poly-magnetic split ring and end magnetic-collecting board simultaneously reduced electromagnetic agitation roller inoperative zone leakage field again greatly.
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.
Fig. 4 is the utility model magnetic circuit guide frame assembling iron core cross-sectional view.
Fig. 5 is Fig. 4 C-C cross-sectional view.
Fig. 6 is Fig. 4 D-D cross-sectional view.
Fig. 7 is one of the utility model magnetic steering iron core embodiment structural representation.
Fig. 8 is two structural representations of the utility model magnetic steering iron core embodiment.
Fig. 9 is the poly-magnetic opening sleeve structural representation of the utility model.
The specific embodiment
By Fig. 1 to 9 as can be known; the utility model is made up of protection roller shell 1 and the inductor that is arranged in the protection roller shell 1; its inductor comprises magnetic circuit guide frame assembling iron core 3; segmentation is wound on the densely packed coil group 4 between the magnetic pole of magnetic circuit guide frame assembling iron core 3; be set in the poly-magnetic opening sleeve 2 outside the densely packed coil group 4; be arranged at the end magnetic-collecting board 5 at magnetic circuit guide frame assembling iron core 3 two ends with coaxial applying, wherein:
Magnetic circuit guide frame assembling iron core 3 comprises magnetic steering iron core 32, be arranged on the end magnetic pole 32a at magnetic steering iron core 32 two ends, be arranged on the middle part magnetic pole 32b at magnetic steering iron core 32 middle parts, applying is arranged on the side magnetic-collecting board 31 of magnetic steering iron core 32 both sides, applying is arranged on the poly-magnetic arc plate 33 in bottom of magnetic steering iron core 32 bottoms, be arranged at magnetic steering iron core 32 middle parts and wide with middle part magnetic pole 32b, coordination, gather magnetic split ring 34 at the middle part that number arranges, and be arranged at magnetic steering iron core 32 two ends and wide with end magnetic pole 32a, coordination, gather magnetic split ring 35 Deng the end that number arranges;
Described end magnetic pole 32a and the middle part relative position of magnetic pole 32b on magnetic steering iron core 32 also are respectively arranged with end magnetic steering groove 32d and middle part magnetic steering groove 32c, and end magnetic pole 32a and end magnetic steering groove 32d, middle part magnetic pole 32b and middle part magnetic steering groove 32c are wide.
Protection roller shell 1 described in the utility model is heavy wall tubulose nonmagnetic alloy body, and protection roller shell 1 rotates freely around inductor, and and inductor between be provided with the gap of logical cooling fluid.Described poly-magnetic opening sleeve 2 is set in outside the densely packed coil group 4, and and densely packed coil group 4 between be provided with the gap; Poly-magnetic opening sleeve 2 is composited by the inner opening cover 22 of high magnetic conduction directional cold-rolling silicon steel and the outer opening sleeve 21 of non-magnetic conductive material, be thin-walled tubulose hatch frame, its length is less than the spacing of two magnetic poles on the magnetic steering iron core 32, and wherein the differently-oriented directivity of inner opening cover 22 is circumferential.4 fens at least two sections sandwich wounds of described densely packed coil group are three phase windings or two-phase winding between magnetic pole.Described end magnetic-collecting board 5 is the cylindrical shape of non magnetic conductive material, and itself and the poly-magnetic arc plate 33 of side magnetic-collecting board 31 and bottom constitute the leakproof magnetic structure of inductor non-working surface.Described side magnetic-collecting board 31 is non-magnetic conductive material, and its length is less than magnetic steering iron core 32, and the outside of side magnetic-collecting board 31 had line groove 31a.The poly-magnetic arc plate 33 in described bottom is non-magnetic conductive material, and its length equates with magnetic steering iron core 32.The width of described end magnetic pole 32a is half of middle part magnetic pole 32b, and the width of middle part magnetic pole 32b is 0.75-1 times of magnetic steering iron core 32 height.Described end magnetic steering groove 32d and middle part magnetic steering groove 32c are designed to arc groove, perhaps the prismatic groove.
Design principle of the present utility model:
The utility model inductor is equivalent to the stator of a linear induction motor, strand liquid core is equivalent to rotor, the alternating magnetic field that electromagnetic agitation roller inductor excites passes the strand shell and is penetrated in the liquid molten steel, produce induced current (eddy current), this induced current and alternating magnetic field interaction partners molten steel produce electromagnetic force, namely act on the body force on the molten steel volume element, body force has promoted molten metal and has flowed, and namely molten metal is realized stirring.
Structural principle of the present utility model:
The utility model is made up of protection roller shell 1, magnetic circuit guide frame assembling iron core 3, densely packed coil group 4, poly-magnetic opening sleeve 2 and end magnetic-collecting board 5.Described densely packed coil group 4 is looped around between the magnetic pole of magnetic circuit guide frame assembling iron core 3, described poly-magnetic opening sleeve 2 is set in outside the densely packed coil group 4, the magnetic pole of described magnetic circuit guide frame assembling iron core 3 is positioned between the opening of poly-magnetic opening sleeve 2, and poly-magnetic opening sleeve 2 and 4 of densely packed coil groups are gapped; The described end magnetic-collecting board 5 coaxial two ends that are fitted in magnetic circuit guide frame assembling iron core 3.Poly-magnetic opening sleeve 2, densely packed coil group 4, magnetic circuit guide frame assembling iron core 3 are formed inductor with end magnetic-collecting board 5; inductor coaxial is loaded in the protection roller shell 1; gapped between protection roller shell 1 and inductor, be full of cooling fluid in the working time crack, and protection roller shell 1 can rotate freely around inductor.
Magnetic circuit guide frame assembling iron core 3 described in the utility model is made up of side magnetic-collecting board 31, magnetic steering iron core 32, the poly-magnetic split ring 34 of the poly-magnetic arc plate 33 in bottom and middle part, the poly-magnetic split ring 35 in end.Described magnetic circuit guide frame assembling iron core 3, its described side magnetic-collecting board 31 is fitted in the both sides of magnetic steering iron core 32; The poly-magnetic arc plate 33 in bottom is fitted in the bottom of magnetic steering iron core 32; It is end magnetic pole 32a, middle part magnetic pole 32b that there are a plurality of magnetic poles described magnetic steering iron core two ends, 32 top and centre, the poly-magnetic split ring 34,35 in described middle part and end is fitted in the appearance of the poly-magnetic arc plate 33 of side magnetic-collecting board 31 and bottom, be in same position with middle part and end magnetic pole 32b, 32a respectively, the poly-magnetic split ring 34 in middle part and end, 35 opening are fitted with corresponding middle part and end magnetic pole 32b, 32a both sides, the face of cylinder that its outer surface and magnetic pole appearance composition accordingly seal; The face of cylinder that the outer surface of the outer surface of side magnetic-collecting board 31, the poly-magnetic arc plate 33 in bottom and the outer surface between magnetic steering iron core 32 magnetic poles are formed.Described magnetic steering iron core 32 bottoms and end and middle part magnetic pole 32a and 32b identical bits are equipped with end magnetic steering groove 32d and middle part magnetic steering groove 32c, and the magnetic steering well width is identical with the magnet pole widths of same position.The width of described magnetic steering iron core 32 end magnetic pole 32a is half of middle part magnetic pole 32b width; The middle part magnetic pole 32b width h of described magnetic steering iron core 32 is 0.75 ~ 1 times of magnetic steering iron core 32 effective depth H; Described magnetic steering iron core 32 adopts the high-quality high permeability material.Described magnetic steering iron core 32, logical magnetic surface by the coupling magnetic pole long-pending (it is quite long-pending that magnetic pole section is amassed with core section), so greatly reduced the magnetic resistance of working region, increase the air gap in inoperative zone simultaneously by the design of magnetic pole opposite air gap groove, thereby increase the magnetic resistance in inoperative zone, thereby distribution and the trend of guiding magnetic field in iron core, make that most magnetic fluxs flow to working surface through magnetic poles in the iron core, solve the magnetic circuit bottleneck that leads to working surface, greatly increased magnetic flux density and the magnetic flux of working region.The passage of main magnetic circuit is seen among Fig. 4 shown in the arrow in its iron core.Poly-magnetic arc plate 33 materials in described bottom are non magnetic excellent conductive material, and its length is identical with magnetic steering iron core 32; Described side magnetic-collecting board 31 is non-magnetic conductive material, and the outside had line groove 31a, and its length is not less than magnetic steering iron core 32; Cross the function that line groove 31a has the water flowing cooling.The poly-magnetic split ring 34 in described middle part is positioned in the middle of the magnetic steering iron core 32, and width h is the same with middle part magnetic pole 32b width, and the quantity of the poly-magnetic split ring 34 in middle part, position are with middle part magnetic pole 32b; The poly-magnetic split ring 35 in described end is positioned at magnetic steering iron core 32 two ends, and width h/2 is the same with end magnetic pole 32a width, and the quantity of the poly-magnetic split ring 35 in end, position are with end magnetic pole 32a.
The poly-magnetic opening sleeve 2 of the utility model is composited by inner opening cover 22 and outer opening sleeve 21; Described inner opening overlaps 22 materials and adopts the high magnetic conduction directional cold-rolling silicon steel of high-quality, and differently-oriented directivity is circumferential (direction of arrow shown in Figure 9), and described outer opening sleeve 21 adopts non magnetic excellent conductive material; Described poly-magnetic opening sleeve 2 is the thin-walled tubular opening, and length is not less than the spacing of magnetic steering iron core two magnetic poles.Described densely packed coil group 4 is in sequence and between the magnetic pole of direction segmentation coiling magnetic circuit guide frame assembling iron core 3, and every phase densely packed coil group is divided two sections at least, and every section coil divides sandwich wound; Densely packed coil group 4 is that three phase windings can also be two phase windings, provides alternating source to produce travelling-magnetic-field to densely packed coil group 4; Described densely packed coil group 4 usefulness circular copper wire coilings also can be used the flat type copper wire coiling.Described end magnetic-collecting board 5 is cylinder, and material is non magnetic excellent conductive material.Described protection roller shell 1 heavy wall tubular body adopts high Cr, Ni nonmagnetic alloy material, and satisfies the long-term mechanical performance requirement of using under 750 ° of C environment.
The result of 1 pair of example of the utility model trial-production reduces by 50% with respect to coil external shield product stray field; Be 477Gs when (2 roller spacing 240mm) central magnetic field reaches 1180Gs(Wuhan Iron and Steel Plant inlet roller and stirs 5Hz, 400A when 3Hz, 400A after tested), be 30N when center thrust 165N(Wuhan Iron and Steel Plant inlet roller stirs 5Hz, 400A when 4Hz, 400A).Example proof the utility model can improve magnetic field intensity and the electromagnetic push of working region greatly, has improved meritorious magnetic field efficient, reduced inoperative zone leakage field, thereby it is energy-efficient to have reduced energy consumption effectively.
Embodiment described in the utility model only is the description that preferred embodiment of the present 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 solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (9)
1. magnetic steering structure iron core formula electromagnetic agitation roller; formed by the inductor of protecting roller shell (1) and be arranged in the protection roller shell (1); it is characterized in that inductor comprises magnetic circuit guide frame assembling iron core (3); segmentation is wound on the densely packed coil group (4) between the magnetic pole of magnetic circuit guide frame assembling iron core (3); be set in the outer poly-magnetic opening sleeve (2) of densely packed coil group (4); be arranged at the end magnetic-collecting board (5) at magnetic circuit guide frame assembling iron core (3) two ends with coaxial applying, wherein:
Magnetic circuit guide frame assembling iron core (3) comprises magnetic steering iron core (32), be arranged on the end magnetic pole (32a) at magnetic steering iron core (32) two ends, be arranged on the middle part magnetic pole (32b) at magnetic steering iron core (32) middle part, applying is arranged on the side magnetic-collecting board (31) of magnetic steering iron core (32) both sides, applying is arranged on the poly-magnetic arc plate (33) in bottom of magnetic steering iron core (32) bottom, be arranged at magnetic steering iron core (32) middle part and wide with middle part magnetic pole (32b), coordination, gather magnetic split ring (34) at the middle part that number arranges, and be arranged at magnetic steering iron core (32) two ends and wide with end magnetic pole (32a), coordination, gather magnetic split ring (35) Deng the end that number arranges;
Described end magnetic pole (32a) and the relative position of middle part magnetic pole (32b) on magnetic steering iron core (32) also are respectively arranged with end magnetic steering groove (32d) and middle part magnetic steering groove (32c), and end magnetic pole (32a) is wide with end magnetic steering groove (32d), middle part magnetic pole (32b) and middle part magnetic steering groove (32c).
2. magnetic steering structure iron core formula electromagnetic agitation roller according to claim 1; it is characterized in that described protection roller shell (1) is heavy wall tubulose nonmagnetic alloy body; protection roller shell (1) rotates freely around inductor, and and inductor between be provided with the gap of logical cooling fluid.
3. magnetic steering structure iron core formula electromagnetic agitation roller according to claim 1 is characterized in that described poly-magnetic opening sleeve (2) is set in outside the densely packed coil group (4), and and densely packed coil group (4) between be provided with the gap; Poly-magnetic opening sleeve (2) is composited by the inner opening cover (22) of high magnetic conduction directional cold-rolling silicon steel and the outer opening sleeve (21) of non-magnetic conductive material, be thin-walled tubulose hatch frame, its length is less than the spacing of last two magnetic poles of magnetic steering iron core (32), and wherein the differently-oriented directivity of inner opening cover (22) is circumferential.
4. magnetic steering structure iron core formula electromagnetic agitation roller according to claim 1 is characterized in that at least two sections sandwich wounds of described densely packed coil group (4) branch between magnetic pole, are three phase windings or two-phase winding.
5. magnetic steering structure iron core formula electromagnetic agitation roller according to claim 1, it is characterized in that described end magnetic-collecting board (5) is the cylindrical shape of non magnetic conductive material, itself and the poly-magnetic arc plate (33) of side magnetic-collecting board (31) and bottom constitute the leakproof magnetic structure of inductor non-working surface.
6. magnetic steering structure iron core formula electromagnetic agitation roller according to claim 1, it is characterized in that described side magnetic-collecting board (31) is non-magnetic conductive material, its length is less than magnetic steering iron core (32), and the outside of side magnetic-collecting board (31) had line groove (31a).
7. magnetic steering structure iron core formula electromagnetic agitation roller according to claim 1 is characterized in that the poly-magnetic arc plate (33) in described bottom is non-magnetic conductive material, and its length equates with magnetic steering iron core (32).
8. magnetic steering structure iron core formula electromagnetic agitation roller according to claim 1, the width that it is characterized in that described end magnetic pole (32a) is half of middle part magnetic pole (32b), and the width of middle part magnetic pole (32b) is 0.75-1 times of magnetic steering iron core (32) height.
9. magnetic steering structure iron core formula electromagnetic agitation roller according to claim 1 is characterized in that described end magnetic steering groove (32d) and middle part magnetic steering groove (32c) are designed to arc groove, perhaps the prismatic groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320245910 CN203221191U (en) | 2013-05-09 | 2013-05-09 | Magnetic guide structure iron core type electromagnetic stirring roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320245910 CN203221191U (en) | 2013-05-09 | 2013-05-09 | Magnetic guide structure iron core type electromagnetic stirring roller |
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| Publication Number | Publication Date |
|---|---|
| CN203221191U true CN203221191U (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320245910 Expired - Fee Related CN203221191U (en) | 2013-05-09 | 2013-05-09 | Magnetic guide structure iron core type electromagnetic stirring roller |
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| CN (1) | CN203221191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231035A (en) * | 2013-05-09 | 2013-08-07 | 乔志洪 | Core type electromagnetic stirring roller of magnetic steering structure |
| CN109822068A (en) * | 2019-01-04 | 2019-05-31 | 湖南科美达电气股份有限公司 | A kind of Wide and Thick Slab roll type electromagnetic stirrer |
-
2013
- 2013-05-09 CN CN 201320245910 patent/CN203221191U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231035A (en) * | 2013-05-09 | 2013-08-07 | 乔志洪 | Core type electromagnetic stirring roller of magnetic steering structure |
| CN109822068A (en) * | 2019-01-04 | 2019-05-31 | 湖南科美达电气股份有限公司 | A kind of Wide and Thick Slab roll type electromagnetic stirrer |
| CN109822068B (en) * | 2019-01-04 | 2024-04-19 | 湖南科美达电气股份有限公司 | Roller type electromagnetic stirrer for wide and thick plates |
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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: 20131002 Termination date: 20150509 |
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| EXPY | Termination of patent right or utility model |