CN205289690U - Multizone electromagnetic stirring device of conticaster crystallizer - Google Patents
Multizone electromagnetic stirring device of conticaster crystallizer Download PDFInfo
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- CN205289690U CN205289690U CN201620015236.7U CN201620015236U CN205289690U CN 205289690 U CN205289690 U CN 205289690U CN 201620015236 U CN201620015236 U CN 201620015236U CN 205289690 U CN205289690 U CN 205289690U
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Abstract
The utility model provides a multizone electromagnetic stirring device of conticaster crystallizer, belongs to casting machine technical field for improve the regional electromagnetic stirring effect of whole crystallizer. Its technical scheme is: the utility model discloses on the basis of original crystallizer electromagnetic stirring structure, adopt upper portion electromagnetic stirring coil and lower part electromagnetic stirring coil combination structure, guaranteed the stirring effect of crystallizer meniscus molten steel, lengthened the stirring region of molten steel. The utility model discloses the steel grade that expects much to surface quality can start upper portion electromagnetic stirring coil, can start lower part electromagnetic stirring coil to the steel grade subcutaneous, that the segregation is strict, and steel grade to requiring casting blank surface quality to require the internal soundness again then starts the simultaneous working of two sets of electromagnetic stirring coil. The utility model discloses an it provides multiple optional mode to improve the casting blank quality, can satisfy different steel grades to equipment performance's requirement, can improve to the pertinence crystallizer different zone and to electromagnetic stirring's metallurgical requirement, save the energy resource consumption simultaneously.
Description
Technical field
This utility model relates to a kind of electromagnetic stirring device for crystallizer being suitable for special steel large square bland continuous-casting machine, belongs to continuous casting installation for casting technical field.
Background technology
In casting process, the molten steel of crystallizer wall first crystallization and freezing, owing to molten steel is uneven at crystallizer interior flow field and heat transfer, cause that casting blank shell growth is uneven, it is easy to produce surface defect of bloom and subcutaneous slag. Adopt M-EMS technology can efficiently control the flow state of molten steel in crystallizer, removal of inclusions, cleaning molten steel, improve solidified structure and the solute Distribution of strand, improve equiaxial crystal ratio. Current M-EMS has become high efficiency continuous casting, the requisite a kind of process means of high-quality continuous casting, is one of effective measures improving cc billet surface quality, subcutaneous slag inclusion and internal soundness.
The electromagnetic stirrer coil of traditional conticaster crystallizer is arranged on the lower section of crystallizer panel, crystallizer middle and lower part and foot roll area territory can only be stirred by this electromagnetic agitation structure, stirring region is delayed, crystallizer meniscus position is substantially free of stirring magnetic force, it is impossible to the effective homoepitaxial problem solving strand initial solidification shell. For improving the mixing effect at crystallizer meniscus position, part continuous casting adopts crystallizer upper end stirring structure, namely electromagnetic stirrer coil is arranged on the top of crystallizer panel, although strand initial solidification shell is had some improvement by this stirring structure, but because of coil short (300 ~ 400mm), cause that stirring region is little, the uniformity of the casting blank solidification of position, crystallizer middle and lower part it cannot be guaranteed that, the segregation of strand is bigger.
For improving M-EMS effect better, improving casting billet surface and subcutaneous quality, it is very necessary that existing M-EMS is improved.
Utility model content
Technical problem to be solved in the utility model is to provide the multizone electromagnetic mixing apparatus of a kind of conticaster crystallizer, crystallizer different parts can be adopted different stirring parameters to be stirred by this electromagnetic mixing apparatus, and crystallizer and all standing in foot roll area territory can be accomplished, effectively improve cc billet surface quality and internal soundness.
The technical scheme solving above-mentioned technical problem is:
A kind of multizone electromagnetic mixing apparatus of conticaster crystallizer, it is made up of electromagnetic stirrer coil, electromagnetic stirrer coil is looped around the periphery of crystallizer, its improvements are, electromagnetic stirrer coil is made up of top electromagnetic stirrer coil and bottom electromagnetic stirrer coil two parts, top electromagnetic stirrer coil is looped around the top, periphery of crystallizer, bottom electromagnetic stirrer coil is looped around the bottom, periphery of crystallizer, the lower end of top electromagnetic stirrer coil is relative with the upper end of bottom electromagnetic stirrer coil, top electromagnetic stirrer coil and bottom electromagnetic stirrer coil carry out iron core winding respectively, top electromagnetic stirrer coil is connected with independent electric control gear respectively with bottom electromagnetic stirrer coil.
The multizone electromagnetic mixing apparatus of above-mentioned conticaster crystallizer, the upper surface of described top electromagnetic stirrer coil is higher than the crystallizer meniscus within crystallizer, and the lower end of bottom electromagnetic stirrer coil is relative with crystallizer foot roll lower end.
The beneficial effects of the utility model are:
This utility model, on the basis of original M-EMS structure, adopts top electromagnetic stirrer coil and bottom electromagnetic stirrer coil combinative structure, it is ensured that the mixing effect of crystallizer meniscus molten steel, extends the stirring region of molten steel.
Fourplatemold electromagnetic agitation structure of the present utility model can adopt different stir modes according to steel grade prescription, namely Surface Quality requires that high steel grade can start top electromagnetic stirrer coil, subcutaneous, segregation are required that strict steel grade can start bottom electromagnetic stirrer coil, to the steel grade requiring cc billet surface quality to require again internal soundness, then start two groups of electromagnetic stirrer coils and work simultaneously.
This utility model is reasonable in design, provides, for improving slab quality, the pattern that plurality of optional is selected, it is possible to meets the different steel grade requirement to equipment performance, can improve the crystallizer zones of different metallurgical requirements to electromagnetic agitation pointedly, save energy resource consumption simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, labelling is as follows: crystallizer copper pipe 1, crystallizer panel 2, crystallizer foot roll 3, crystallizer meniscus 4, top electromagnetic stirrer coil 5, bottom electromagnetic stirrer coil 6.
Detailed description of the invention
Showing in figure, the structure of conticaster crystallizer includes crystallizer copper pipe 1, crystallizer panel 2, crystallizer foot roll 3, crystallizer meniscus 4, and the electromagnetic stirrer coil that molten steel in mold carries out electromagnetic agitation is looped around the periphery of crystallizer.
Showing in figure, electromagnetic stirrer coil of the present utility model is made up of top electromagnetic stirrer coil 5 and bottom electromagnetic stirrer coil 6 two parts. Top electromagnetic stirrer coil 5 is looped around the top, periphery of crystallizer, and bottom electromagnetic stirrer coil 6 is looped around the bottom, periphery of crystallizer, and the lower end of top electromagnetic stirrer coil 5 is relative with the upper end of bottom electromagnetic stirrer coil 6.
Figure shows, top electromagnetic stirrer coil 5 and bottom electromagnetic stirrer coil 6 are separate, top electromagnetic stirrer coil 5 and bottom electromagnetic stirrer coil 6 carry out iron core winding respectively, top electromagnetic stirrer coil 5 is connected with independent electric control gear respectively with bottom electromagnetic stirrer coil 6, is individually controlled by different electric control gears respectively and adjusts.
Showing in figure, the upper surface of top electromagnetic stirrer coil 5 is higher than the crystallizer meniscus 4 within crystallizer, and the lower end of bottom electromagnetic stirrer coil 6 is relative with crystallizer foot roll 3 lower end, accomplishes crystallizer and all standing in foot roll area territory.Corresponding crystallizer panel 2 and the junction of crystallizer move on to the top of crystallizer, higher than the crystallizer meniscus 4 within crystallizer.
This utility model is in use, different stir modes can be adopted according to steel grade prescription, namely Surface Quality requires that high steel grade can start top electromagnetic stirrer coil 5, subcutaneous, segregation are required that strict steel grade can start bottom electromagnetic stirrer coil 6, to the steel grade requiring cc billet surface quality to require again internal soundness, then start two groups of electromagnetic stirrer coils to work simultaneously, meet the different steel grade requirement to equipment performance, effectively improve cc billet surface quality and internal soundness.
Claims (2)
1. the multizone electromagnetic mixing apparatus of a conticaster crystallizer, it is made up of electromagnetic stirrer coil, electromagnetic stirrer coil is looped around the periphery of crystallizer, it is characterized in that: electromagnetic stirrer coil is made up of top electromagnetic stirrer coil (5) and bottom electromagnetic stirrer coil (6) two parts, top electromagnetic stirrer coil (5) is looped around the top, periphery of crystallizer, bottom electromagnetic stirrer coil (6) is looped around the bottom, periphery of crystallizer, the lower end of top electromagnetic stirrer coil (5) is relative with the upper end of bottom electromagnetic stirrer coil (6), top electromagnetic stirrer coil (5) and bottom electromagnetic stirrer coil (6) carry out iron core winding respectively, top electromagnetic stirrer coil (5) is connected with independent electric control gear respectively with bottom electromagnetic stirrer coil (6).
2. the multizone electromagnetic mixing apparatus of conticaster crystallizer according to claim 1, it is characterized in that: the upper surface on described top electromagnetic stirrer coil (5) is higher than the crystallizer meniscus (4) within crystallizer, and the lower end of bottom electromagnetic stirrer coil (6) is relative with crystallizer foot roll (3) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620015236.7U CN205289690U (en) | 2016-01-09 | 2016-01-09 | Multizone electromagnetic stirring device of conticaster crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620015236.7U CN205289690U (en) | 2016-01-09 | 2016-01-09 | Multizone electromagnetic stirring device of conticaster crystallizer |
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| Publication Number | Publication Date |
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| CN205289690U true CN205289690U (en) | 2016-06-08 |
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| CN201620015236.7U Active CN205289690U (en) | 2016-01-09 | 2016-01-09 | Multizone electromagnetic stirring device of conticaster crystallizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478695A (en) * | 2016-01-09 | 2016-04-13 | 石家庄钢铁有限责任公司 | Multi-zone electromagnetic stirring device and method for continuous casting machine crystallizer |
| CN110548843A (en) * | 2019-09-20 | 2019-12-10 | 江苏科技大学 | Electromagnetic stirring device for continuous casting machine |
-
2016
- 2016-01-09 CN CN201620015236.7U patent/CN205289690U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478695A (en) * | 2016-01-09 | 2016-04-13 | 石家庄钢铁有限责任公司 | Multi-zone electromagnetic stirring device and method for continuous casting machine crystallizer |
| CN110548843A (en) * | 2019-09-20 | 2019-12-10 | 江苏科技大学 | Electromagnetic stirring device for continuous casting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180420 Address after: 115004 Liaoning Yingkou coastal industrial base management committee Xin Lian Jie East 1. Patentee after: CERI YINGKOU EQUIPMENT DEVELOPMENT AND MANUFACTURING CO., LTD. Address before: 050031 Shijiazhuang Shijiazhuang iron and Steel Co., Ltd., Changan District, Heping Road, Hebei, No. 363 Patentee before: Shijiazhuang Iron & Steel Co., Ltd. |
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| TR01 | Transfer of patent right |