CN201091907Y - Fai 600 over-size round mold assembly having magnetic stirrer - Google Patents
Fai 600 over-size round mold assembly having magnetic stirrer Download PDFInfo
- Publication number
- CN201091907Y CN201091907Y CNU2007200463403U CN200720046340U CN201091907Y CN 201091907 Y CN201091907 Y CN 201091907Y CN U2007200463403 U CNU2007200463403 U CN U2007200463403U CN 200720046340 U CN200720046340 U CN 200720046340U CN 201091907 Y CN201091907 Y CN 201091907Y
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- assembly
- crystallizer
- magnetic stirrer
- utility
- round mold
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Abstract
The utility model relates to an ultra-large round billet crystallizer component with the Phi 600, which is provided with an electromagnetic stirrer. The utility model is characterized in that the utility model comprises a crystallizer assembly (1), an electromagnetic stirrer device (2) and a foot roller assembly (3); the electromagnetic stirrer device (2) is arranged on the periphery at the lower part of the crystallizer assembly (1); the foot roller assembly (3) is arranged in the electromagnetic stirrer device (2) and below the crystallizer assembly (1) and is connected with the bottom of the crystallizer assembly (1). The ultra-large round billet crystallizer component can improve the quality of the casting billet so as to be beneficial to the continuous casting of the ultra-large round billet, and improves the flexibility of the process operations.
Description
Technical field
The utility model relates to the used continuous cast mold of a kind of continuous casting production circle base, especially relates to a kind of Φ 600 super-huge round mold assemblies of charged magnetic stirrer device.Belong to the steelmaking equipment technical field.
Background technology
Before the utility model is made, because on-the-spot technology has following requirement:
1,, need improve the surface quality and the subcutaneous cleannes of pipe for all steel grades;
2, to improve internal soundness (microstructure, center porosity), enlarge the casting steel grade;
3, palpus flexible operation is eliminated unnecessary because of increasing poring rate and the bad influence that produces of tundish preheating.
At present, the generally not charged magnetic agitating device of the continuous casting production circle used continuous cast mold of base, can only be used for continuous casting Φ circle below 500 base, as use it for continuous casting Φ 600 super-huge round bases, will cause circle base surface quality and subcutaneous cleannes to descend, circle base internal soundness (microstructure, center porosity) variation also can be because of increasing poring rate and the tundish preheating is bad exerts an adverse impact.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of slab quality that can improve to be beneficial to the super-huge round base of continuous casting, and can to improve the Φ 600 super-huge round mold assemblies of charged magnetic stirrer device of the flexibility of technological operation.
The purpose of this utility model is achieved in that a kind of Φ 600 super-huge round mold assemblies of charged magnetic stirrer device, it is characterized in that it comprises crystallizer assembly, electromagnetic agitation apparatus and sufficient roller assembly, described electromagnetic agitation apparatus is arranged at periphery, crystallizer assembly bottom, the foot roller assembly is arranged in the electromagnetic agitation apparatus, and place crystallizer assembly below, link to each other with crystallizer assembly bottom.
It is all favourable to improving casting billet surface and internal soundness that the utility model is provided with the electromagnetic agitation apparatus, and its advantage is:
1, justifies base surface and subsurface inclusion number and reduce, and make its distribution on the strand cross section more even.The centripetal force that the molten steel turn produces can make to be mingled with in the molten steel and accumulate in the meniscus center, prevents to become entrained under the solidified shell;
2, can avoid dry slag, molten steel makes slag leave crystallizer wall, and the slag that accumulates in the meniscus center is easy to cast aside;
3, justify the gentle hole number of base rimhole and obviously reduce, because the motion of molten steel is removed bubble from solidification front.
The utility model can improve internal soundness by following technology:
1, reduction of the invar water degree of superheat and molten steel improve and increase equi-axed crystal district to base shell pyroconductivity;
2, the molten steel motion has destroyed the growth of dendrite head, has eliminated the harm that dendrite is put up a bridge and micro-crystallization formation brings, and reduces center porosity;
3, the center segregation degree is lowered in the segregation fluctuation of carbon and alloying element on the minimizing cross section.
For medium carbon steel and low-alloy steel, adopt diffusion and the minimizing center segregation peak value of electromagnetic agitation technology acceleration along axis concentration.Usually these steel grade center segregation degree are lower than high-carbon steel, thereby mainly are to guarantee good solid-phase construction, reduce center porosity.
To sum up, this round mold assembly can improve slab quality, and improves the flexibility of technological operation.
Description of drawings
Fig. 1 is the general structure schematic diagram of the Φ 600 super-huge round mold assemblies of the charged magnetic stirrer device of the utility model.
Among the figure: crystallizer assembly 1, electromagnetic agitation apparatus 2, sufficient roller assembly 3.
The specific embodiment
Referring to Fig. 1, the utility model relates to a kind of Φ 600 super-huge round mold assemblies of charged magnetic stirrer device.Mainly form by crystallizer assembly 1, electromagnetic agitation apparatus 2 and sufficient roller assembly 3.
Described electromagnetic agitation apparatus 2 is arranged at periphery, crystallizer assembly 1 bottom, and sufficient roller assembly 3 is arranged in the electromagnetic agitation apparatus 2, and places crystallizer assembly 1 below, links to each other with crystallizer assembly 1 bottom.
Claims (1)
1. the Φ 600 super-huge round mold assemblies of a charged magnetic stirrer device, it is characterized in that it comprises crystallizer assembly (1), electromagnetic agitation apparatus (2) and sufficient roller assembly (3), described electromagnetic agitation apparatus (2) is arranged at crystallizer assembly (1) periphery, bottom, foot roller assembly (3) is arranged in the electromagnetic agitation apparatus (2), and place crystallizer assembly (1) below, link to each other with crystallizer assembly (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200463403U CN201091907Y (en) | 2007-09-21 | 2007-09-21 | Fai 600 over-size round mold assembly having magnetic stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200463403U CN201091907Y (en) | 2007-09-21 | 2007-09-21 | Fai 600 over-size round mold assembly having magnetic stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201091907Y true CN201091907Y (en) | 2008-07-30 |
Family
ID=39899867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200463403U Expired - Lifetime CN201091907Y (en) | 2007-09-21 | 2007-09-21 | Fai 600 over-size round mold assembly having magnetic stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201091907Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433948B (en) * | 2008-12-17 | 2011-05-11 | 马钢设计研究院有限责任公司 | Round billet continuous casting machine with especially big sectional plane |
| CN104259413A (en) * | 2014-09-30 | 2015-01-07 | 江阴兴澄特种钢铁有限公司 | Continuous casting system and process producing large-specification elliptical billets |
| 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 |
| CN112658223A (en) * | 2021-01-13 | 2021-04-16 | 东北特殊钢集团股份有限公司 | Large round billet continuous casting foot-spanning roller type crystallizer electromagnetic stirrer and process |
-
2007
- 2007-09-21 CN CNU2007200463403U patent/CN201091907Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433948B (en) * | 2008-12-17 | 2011-05-11 | 马钢设计研究院有限责任公司 | Round billet continuous casting machine with especially big sectional plane |
| CN104259413A (en) * | 2014-09-30 | 2015-01-07 | 江阴兴澄特种钢铁有限公司 | Continuous casting system and process producing large-specification elliptical billets |
| 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 |
| CN112658223A (en) * | 2021-01-13 | 2021-04-16 | 东北特殊钢集团股份有限公司 | Large round billet continuous casting foot-spanning roller type crystallizer electromagnetic stirrer and process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080730 |
|
| CX01 | Expiry of patent term |