CN201558682U - Multi-mode magnetic field electromagnetic stirrer - Google Patents
Multi-mode magnetic field electromagnetic stirrer Download PDFInfo
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- CN201558682U CN201558682U CN200920266186XU CN200920266186U CN201558682U CN 201558682 U CN201558682 U CN 201558682U CN 200920266186X U CN200920266186X U CN 200920266186XU CN 200920266186 U CN200920266186 U CN 200920266186U CN 201558682 U CN201558682 U CN 201558682U
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- electromagnetic stirrer
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Abstract
The utility model relates to a multi-mode magnetic field electromagnetic stirrer, consisting of an electromagnetic stirrer shell and a plurality of groups of coils arranged in the electromagnetic stirrer, wherein the electromagnetic stirrer comprises a non-magnetic outer circular shell and a non-magnetic inner circular shell; a cavity between the non-magnetic circular shell and the non-magnetic inner circular shell is internally provided with an iron core, coils, a pressing ring and a connecting piece; and the coils comprise a coil I vertically sheathed on the iron core and coils II which surround horizontally at intervals and are embedded in gear grooves among core teeth of the iron core. One side of the outer part of the shell is provided with a vertical water groove; the outside of the water groove is provided with a water inlet pipe communicated with the water groove; the lower part of the shell is provided with a ring-shaped channel communicated with the water groove; the ring-shaped channel is provided with a water-dividing plate mesh introducing cooling water into the shell; the upper part of the shell is also provided with a cooling water ring-shaped channel; and the adjacent position of the water groove at the outer part of the shell is provided with a water outlet pipe communicated with the ring-shaped channel of the upper part. The multi-mode magnetic field electromagnetic stirrer has simple operation, can be operated manually, also can operate automatically and has short installation and debugging time and high reliability.
Description
Technical field
The utility model relates to metallurgical melting magnetic stirrer, refers in particular to a kind of multimode magnetic filed electromagnetic stirrer.
Background technology
Since modern age high strength alloy steel, high performance alloys composite extensive use, steel plant, non-ferrous metal factory and research institutions' exploitation are light, high rigidity, multipurpose alloy composite materials, in order to ensure the alloy material uniform ingredients, in order to improve the alloy material equiax crystal, for multimode magnetic filed electromagnetic stirrer has been developed in the requirement that reduces the alloy material center segregation.
At present iron and steel metallurgy continuous casting, the extensive use of melting field is crystal region, two cold-zones, solidification end rotating excitation field magnetic stirrer, and the metallurgical effect of strand is had certain improvement.But, the material difficulty of some high requests is reached desirable metallurgical effect because magnetic field configuration is single.
Summary of the invention
The purpose of this utility model is improved, is innovated at shortcoming that exists in the background technology and problem, and a kind of multimode magnetic filed electromagnetic stirrer is provided.
The technical solution of the utility model is that structure is a kind of by magnetic stirrer shell and be arranged on the agitator that the many groups coil in the magnetic stirrer is formed, wherein:
Magnetic stirrer comprises a non magnetic outer round casing and interior round casing, is provided with iron core, coil, trim ring and brace in the cavity between outer round casing and the interior round casing, wherein:
Coil comprises that coil I and the alternate horizontal circle of vertical sleeve on iron core is embedded in coil II in the iron core core between cog teeth groove.
Described hull outside one side is provided with a vertical tank, the tank outside is provided with the water inlet pipe that communicates with it, lower housing portion is provided with the circular passage that communicates with tank, the circular passage is provided with introduces branch water expanded metals hole in the housing with cooling water, housing top also is provided with the cooling water circular passage, and hull outside tank adjacent position is provided with the outlet pipe that communicates with the upper, annular passage.
The beneficial effects of the utility model:
The utility model can interiorly at any time move, and is simple to operate, can manual operations also can move automatically, and the Installation and Debugging time of equipment is very short.Reliability of the present utility model is very high, approaches 100%.Equipment only needs electric power to keep operation without any moving-member.The operating cost of magnetic stirrer is very low, and power consumption only is 0.8～3kWh/t, and the cost of plant maintenance and cooling water only is 25～50% of a power cost.
The utility model is provided with magnetic stirrer in the liquid metal periphery, multi-mode magnetic field electromagnetic agitation most important character is to realizing whole strong agitation and mixing to molten metal in the field region, power of agitator, stirring intensity can be regulated arbitrarily between 0～100%, mixing direction also can be adjusted variation at any time, stir mode can be adjusted at any time, three kinds of rotations, straight line, helical stir pattern can be set separately and exchange adjustment.The utility model is installed on around the molten metal, and agitator itself does not have direct physical with molten metal and contacts.The low frequency multi-mode magnetic field penetration that magnetic stirrer produces enters liquation.
Description of drawings
Fig. 1 is the utility model front view
Fig. 2 is Fig. 1 vertical view
Fig. 3 is Fig. 2 A-A profile
Fig. 4 removes housing cover figure for Fig. 2
Fig. 5 is a liquation motion schematic diagram under coil I (1) effect
Fig. 6 is a liquation motion schematic diagram under coil II (2) effect
Fig. 7 is a liquation motion schematic diagram under coil I (1) and coil II (2) effect
Fig. 8 is coil I (1) three a phase winding sketch
Fig. 9 is coil II (2) three phase winding sketches
Figure 10 is the iron core front view
Figure 11 is Figure 10 vertical view
The specific embodiment
By Fig. 1 to 11 as can be known, the utility model is made up of magnetic stirrer 16 and the molten metal 15 that is arranged on magnetic stirrer 16 centers, wherein:
Coil comprises that coil I 1 and the alternate horizontal circle of vertical sleeve on iron core 3 is embedded in coil II 2 in 12 teeth groove 11 of iron core 3 core teeth.
Described housing 9 outside sides are provided with a vertical tank 5, tank 5 outsides are provided with the water inlet pipe 10 that communicates with it, housing 9 bottoms are provided with the circular passage that communicates with tank 5, the circular passage is provided with introduces branch water expanded metals hole 6 in the housing 9 with cooling water, housing 9 tops also are provided with the cooling water circular passage, and housing 9 outside tanks 5 adjacent positions are provided with the outlet pipe 8 that communicates with the upper, annular passage.
Coil I 1 described in the utility model comprises winding A, B, C, D, E, F, wherein winding A, D series connection is a phase coil, winding B, E series connection is a phase coil, winding C, F series connection is a phase coil, wherein three ends of the same name are linked to be asterism, three-phase coil leads to the three-phase quadrature current, and coil I 1 winding formation rotating excitation field, drives the interior metallic solution 15 of field region and rotatablely moves.Described coil II 2 comprises winding a, b, c, d, e, f, wherein winding a, d series connection is a phase coil, winding b, e series connection is a phase coil, winding c, f series connection is a phase coil, wherein three ends of the same name are linked to be asterism, three-phase coil leads to the three-phase quadrature current, and coil II 2 windings form travelling-magnetic-field, metallic solution 15 directed moving in the drive field region.Described coil I 1 and coil II 2 switch on simultaneously and form composite screw magnetic field, drive metallic solution 15 stirrings in the field region.Described iron core 3 be arranged on uniformly crucibles in the housing 9 or metallic solution 15 around, iron core 3 bottoms are provided with yoke, iron core 3 upwards is evenly equipped with core tooth 12, form teeth groove 11 between the core tooth 12, and iron core 3 is fixed by the trim ring 4 and brace 7 hold-down bolts that are arranged on top and bottom.Described trim ring 4 is by two semicircle compositions, and two semicircle trim ring 4 usefulness braces 7 are connected and fixed.Described iron core 3 magnetic circuits are set to open circuit.Described housing 9 outside sides are provided with the outgoing cable 13 of coil I 1, and opposite side is provided with the outgoing cable 14 of coil II 2.Described housing 9 centers are working face, and housing 9 tops are provided with suspension ring.
Operation principle of the present utility model:
Multimode magnetic filed electromagnetic stirrer is made of agitator iron core, coil and non-magnetic stainless steel housing.Multimode magnetic filed electromagnetic stirrer is exactly organic combination product of linear electric motors and electric rotating machine, all is the stator differentiation by normal asynchronous.It can regard the complex of asynchronous linear motor and asynchronous turning motor as.
As shown in Figure 5, around metallic solution, magnetic stirrer is set, when feeding coil I (1) three-phase alternating current, just produces rotating excitation field
Because the effect in this magnetic field produces induced potential in molten metal, thereby produce induced-current
(following the right-hand rule).This induced-current and local magnetic field interaction produce electromagnetic push in liquation
(following left hand rule) is at electromagnetic push
Effect under molten metal rotate.
As shown in Figure 6, around metallic solution, magnetic stirrer is set, when feeding coil II (2) three-phase alternating current, just produces travelling-magnetic-field
Because the effect in this magnetic field produces induced potential in molten metal, thereby produce induced-current
(following the right-hand rule).This induced-current and local magnetic field interaction produce electromagnetic push in liquation
(following left hand rule) is at electromagnetic push
Effect under molten metal do convective motion.
As shown in Figure 7, around metallic solution, magnetic stirrer is set, when feeding coil I (1) and coil II (2) three-phase alternating current, just produces helical magnetic field
Because the effect in this magnetic field produces induced potential in molten metal, thereby produce induced-current
(following the right-hand rule) is at electromagnetic push
Effect under the molten metal motion of spinning.
Embodiment described in the utility model only is the description that preferred implementation 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. multimode magnetic filed electromagnetic stirrer is made up of magnetic stirrer (16) and coil I (1) the coil II (2) that is arranged in the magnetic stirrer (16), it is characterized in that:
Magnetic stirrer (16) comprises a non magnetic outer round casing (9) and interior round casing, is provided with iron core (3), coil, trim ring (4) and brace (7) in the cavity between outer round casing (9) and the interior round casing, wherein:
Coil comprises the coil I (1) of vertical sleeve on iron core (3), and alternate horizontal circle is embedded in the coil II (2) in the teeth groove (11) between iron core (3) core tooth (12);
The outside side of described housing (9) is provided with a vertical tank (5), tank (5) outside is provided with the water inlet pipe (10) that communicates with it, housing (9) bottom is provided with the circular passage that communicates with tank (5), the circular passage is provided with introduces the interior branch water expanded metals hole (6) of housing (9) with cooling water, housing (9) top also is provided with the cooling water circular passage, and the outside tank of housing (9) (5) adjacent position is provided with the outlet pipe (8) that communicates with the upper, annular passage.
2. multimode magnetic filed electromagnetic stirrer according to claim 1, it is characterized in that described coil I (1) comprises winding (A, B, C, D, E, F), wherein winding (A, D) series connection is a phase coil, winding (B, E) series connection is a phase coil, winding (C, F) series connection is a phase coil, and wherein three ends of the same name are linked to be asterism, and three-phase coil leads to the three-phase quadrature current, and coil I (1) winding forms rotating excitation field, drives metallic solution (15) and rotatablely moves.
3. multimode magnetic filed electromagnetic stirrer according to claim 1, it is characterized in that described coil II (2) comprises winding (a, b, c, d, e, f), wherein winding (a, d) series connection is a phase coil, winding (b, e) series connection is a phase coil, winding (c, f) series connection is a phase coil, and wherein three ends of the same name are linked to be asterism, and three-phase coil leads to the three-phase quadrature current, and coil II (2) winding forms travelling-magnetic-field, and it is directed mobile to drive metallic solution (15).
4. according to claim 1 or 2 or 3 described multimode magnetic filed electromagnetic stirrers, it is characterized in that described coil I (1) and coil II (2) switch on simultaneously to form composite screw magnetic field, drive metallic solution (15) and stir.
5. multimode magnetic filed electromagnetic stirrer according to claim 1, it is characterized in that described iron core (3) be arranged on uniformly interior crucible of housing (9) or metallic solution (15) around, iron core (3) bottom is provided with yoke, iron core (3) upwards is evenly equipped with core tooth (12), form teeth groove (11) between the core tooth (12), and iron core (3) is fixed by the trim ring (4) and brace (7) hold-down bolt that are arranged on top and bottom.
6. multimode magnetic filed electromagnetic stirrer according to claim 1 or 5 is characterized in that described trim ring (4) by two semicircle compositions, and two semicircle trim rings (4) are connected and fixed with brace (7).
7. multimode magnetic filed electromagnetic stirrer according to claim 1 is characterized in that described iron core (3) magnetic circuit is set to open circuit.
8. multimode magnetic filed electromagnetic stirrer according to claim 1 is characterized in that the outside side of described housing (9) is provided with the outgoing cable (13) of coil I (1), and opposite side is provided with the outgoing cable (14) of coil II (2).
9. multimode magnetic filed electromagnetic stirrer according to claim 1 is characterized in that described housing (9) center is a working face, and housing (9) top is provided with suspension ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920266186XU CN201558682U (en) | 2009-05-12 | 2009-10-26 | Multi-mode magnetic field electromagnetic stirrer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920303049.9 | 2009-05-12 | ||
| CN200920266186XU CN201558682U (en) | 2009-05-12 | 2009-10-26 | Multi-mode magnetic field electromagnetic stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201558682U true CN201558682U (en) | 2010-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920266186XU Expired - Fee Related CN201558682U (en) | 2009-05-12 | 2009-10-26 | Multi-mode magnetic field electromagnetic stirrer |
Country Status (1)
| Country | Link |
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| CN (1) | CN201558682U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700477B (en) * | 2009-05-12 | 2012-01-11 | 湖南科美达电气股份有限公司 | Multimode magnetic filed electromagnetic stirrer |
| CN102944123A (en) * | 2012-11-20 | 2013-02-27 | 中国科学院研究生院 | Method for driving molten metal to flow three-dimensionally and periodically based on permanent spiral magnetic field |
| CN102980415A (en) * | 2012-11-20 | 2013-03-20 | 中国科学院研究生院 | Method for driving periodic flow of metal melt on basis of spiral magnetic field of electrified coil |
-
2009
- 2009-10-26 CN CN200920266186XU patent/CN201558682U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700477B (en) * | 2009-05-12 | 2012-01-11 | 湖南科美达电气股份有限公司 | Multimode magnetic filed electromagnetic stirrer |
| CN102944123A (en) * | 2012-11-20 | 2013-02-27 | 中国科学院研究生院 | Method for driving molten metal to flow three-dimensionally and periodically based on permanent spiral magnetic field |
| CN102980415A (en) * | 2012-11-20 | 2013-03-20 | 中国科学院研究生院 | Method for driving periodic flow of metal melt on basis of spiral magnetic field of electrified coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HU'NAN KEMEIDA ELECTRIC CO., LTD. Free format text: FORMER OWNER: HUNAN KEMEIDA ELECTRIC CO., LTD. Effective date: 20110121 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 414000 MAILBOX NO. 90, LUOWANG ECONOMIC DEVELOPMENT ZONE, YUEYANG CITY, HU'NAN PROVINCE TO: 414000 KEMEIDA ROAD, YUEYANG CITY, HU'NAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110121 Address after: 414000 Hunan province Yueyang Kemeida Road Patentee after: Hunan Kemeida Electric Co., Ltd. Address before: 414000 box 90, Luo Wang Economic Development Zone, Hunan, Yueyang Patentee before: Hunan Kemeida Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20181026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |