CN202377504U - Double-layer type current regulator for continuous casting tundish - Google Patents
Double-layer type current regulator for continuous casting tundish Download PDFInfo
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- CN202377504U CN202377504U CN2011205679398U CN201120567939U CN202377504U CN 202377504 U CN202377504 U CN 202377504U CN 2011205679398 U CN2011205679398 U CN 2011205679398U CN 201120567939 U CN201120567939 U CN 201120567939U CN 202377504 U CN202377504 U CN 202377504U
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- current regulator
- flow straightener
- wall
- continuous casting
- tundish
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Abstract
The utility model discloses a double-layer type current regulator for a continuous casting tundish, which belongs to the technical field of tundish current regulators and comprises a current regulator base plate, a current regulator outer wall, a current regulator inner wall and a ring type flange body. The bottom of the current regulator outer wall is fixedly connected with the current regulator base plate, the current regulator outer wall is of a fan-shaped structure, a guide plate is arranged on the lateral wall of the external circular arc of the current regulator outer wall, and the height of the guide plate is larger than the heights of the other three lateral walls of the current regulator outer wall. The current regulator inner wall fixedly connected with the current regulator base plate is arranged in the current regulator outer wall and is of a hollow cylindrical structure, and the ring type flange body is arranged on the inner wall of the current regulator inner wall. By means of the double-layer type current regulator for the continuous casting tundish, the temperature and components of molten steel are uniform fully, a molten steel flow field of the tundish is improved, upward floating of impurities is facilitated, turbulence and rolling of the molten steel in an injection area are alleviated, and the quality of the casing blank of continuous casting is improved.
Description
Technical field
The utility model relates to the tundish flow straightener technical field that iron and steel metallurgical industry uses in the steel-making continuous casting process, more particularly, relate to the two-layer equation constant-current stabilizer that a kind of continuous casting tundish is used.
Background technology
Development along with steel industry and continuous casting technology; Produce high-quality variety steel and become the target that iron and steel enterprise is pursued gradually; To the molten steel cleanliness factor require increasingly highly, the setting of current stabilizations such as flow straightener, slag blocking wall, flow control device is a necessary means that improves steel product quality.
Tundish receives increasing attention as last container that molten steel gets into continuous cast mold.Ladle is opened when watering, and the molten steel beam dashes refractory material working lining in the tundish and decreases seriously, and near the molten steel the beam district rolls strongly, can tundish molten steel surface coverture be involved in molten steel on the one hand, introduces new impurity; Molten steel is exposed in the air and by secondary oxidation.In addition, after the molten steel in the ladle flow out to get into tundish from long nozzle, also be not able to do in time with tundish in the molten steel that retains just fully mix and directly flow to outlet along the tundish bottom, can not effectively remove nonmetal inclusion in the molten steel.Under tundish inlet molten steel beam district, building flow straightener by laying bricks or stones can weaken the molten steel turbulence and roll; The tundish flow straightener is the MOLTEN STEEL FLOW state when stablizing molten steel injection impact zone; Improve the tundish molten steel flow field, promote inclusion floating, prevent that slag is involved in the functional refractory material that molten steel causes continuous casting billet internal soundness defective; The tundish flow straightener can change the flow path of molten steel in tundish, prolongs molten steel time of staying in tundish.
Chinese patent ZL200920107527.9, Granted publication day is on February 24th, 2010, invention and created name is: the continuous casting tundish flow straightener of band platform structure; The flow straightener of this application case is divided into two-layer up and down; The upper strata is a truncated cone-shaped, and oral area is big, and the bottom is little; Bottom radii is 0. 75 of oral area radius ~ 0. 85 times, and the height of round platform is 1/6 ~ 1/4 of an inner chamber total height; Lower floor is cylindrical, and the radius of cylinder is greater than the bottom radii 50mm ~ 80mm of round platform, promptly is provided with a platform between flow straightener two-layer up and down.The molten steel turbulence that this application case can the weaken tundish beam district to a certain extent intensity of rolling, but promoting molten steel to the liquid level upper reaches, shortening inclusion floating, to remove time aspect effect not good enough.
Chinese patent ZL 201020514255.7; Granted publication day is on March 30th, 2011, and invention and created name is: a kind of whole flow straightener of special-shaped tundish combined type that is used for, this application case relate to a kind of whole flow straightener of special-shaped tundish combined type that is used for; This device is three side plates and the hollow uncovered composite monolithic structure of class quadrant post that base plate constitutes; The big bottom of its oral area is little, and said three side plates comprise two backplates and deflector, and said deflector is an arcuate structure; The inner chamber bottom surface is provided with constant-current stabilizer No. one time, and a said constant-current stabilizer is hollow closing in barrel shaped structure.This application case can make that to a certain extent liquid steel temperature and composition are full and uniform, is beneficial to inclusion floating, but the molten steel turbulence that weakens tundish beam district roll aspect poor effect, be still waiting further raising.
Summary of the invention
The technical problem that utility model will solve
The utility model is to overcome tundish flow straightener of the prior art and is improving the tundish beam district molten steel turbulence poor effect of rolling, and molten steel short deficiency of the time of staying in tundish, the two-layer equation constant-current stabilizer that provides a kind of continuous casting tundish to use.
Technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
The two-layer equation constant-current stabilizer that a kind of continuous casting tundish of the utility model is used; Comprise flow straightener base plate, flow straightener exterior wall, flow straightener interior wall and circular ring type body flange; The bottom of said flow straightener exterior wall is connected with the flow straightener base plate mutually; This flow straightener exterior wall is a sector structure, and its external arc sidewall is a deflector, and the height of this deflector is greater than the height of other three sidewalls of flow straightener exterior wall; The set inside of said flow straightener exterior wall has the flow straightener interior wall that is connected mutually with the flow straightener base plate, and this flow straightener interior wall is a hollow cylindrical structures, and the inwall of flow straightener interior wall is provided with the circular ring type body flange.
Further, described deflector is provided with pod apertures.
Further, said circular ring type body flange is provided with 2 ~ 6, and this circular ring type body flange is evenly arranged in the inwall of flow straightener interior wall.
Further, described pod apertures is provided with two rows.
Beneficial effect
The technical scheme that adopts the utility model to provide is compared with existing known technology, has following beneficial effect:
(1) the two-layer equation constant-current stabilizer used of a kind of continuous casting tundish of the utility model; Be provided with the two-layer equation current stabilization structure of flow straightener exterior wall and flow straightener interior wall; Make that liquid steel temperature and composition are full and uniform, help inclusion floating, thereby improve the slab quality of continuous casting billet;
(2) the two-layer equation constant-current stabilizer used of a kind of continuous casting tundish of the utility model; Inwall at the flow straightener interior wall is provided with the circular ring type body flange; This circular ring type body flange plays the choked flow effect; MOLTEN STEEL FLOW state in the time of can stablizing molten steel injection impact zone slows down the turbulence of beam district molten steel and rolls, thereby prevents that tundish molten steel surface coverture is involved in molten steel;
(3) the two-layer equation constant-current stabilizer used of a kind of continuous casting tundish of the utility model, arc deflector is provided with pod apertures, has improved the tundish molten steel flow field, can promote inclusion floating.
Description of drawings
The two-layer equation constant-current stabilizer sectional structure sketch map that Fig. 1 uses for a kind of continuous casting tundish of the utility model;
The plan structure sketch map of the two-layer equation constant-current stabilizer that Fig. 2 uses for a kind of continuous casting tundish of the utility model.
Label declaration in the sketch map:
1-flow straightener exterior wall; 2-flow straightener interior wall; The 3-pod apertures; The 4-deflector; 5-circular ring type body flange; 6-flow straightener base plate.
The specific embodiment
For further understanding the content of the utility model, the utility model is described in detail in conjunction with accompanying drawing.
In conjunction with Fig. 1 and Fig. 2, the two-layer equation constant-current stabilizer that a kind of continuous casting tundish of the utility model is used comprises flow straightener base plate 6, flow straightener exterior wall 1, flow straightener interior wall 2 and circular ring type body flange 5; Wherein, The bottom of flow straightener exterior wall 1 is connected with flow straightener base plate 6 mutually, and this flow straightener exterior wall 1 is a sector structure, and its external arc sidewall is a deflector 4; Deflector 4 is provided with pod apertures 3, and the height of this deflector 4 is greater than the height of flow straightener exterior wall 1 other three sidewalls; The set inside of flow straightener exterior wall 1 has the flow straightener interior wall 2 that is connected mutually with flow straightener base plate 6, and this flow straightener interior wall 2 is a hollow cylindrical structures, and the inwall of flow straightener interior wall 2 is provided with circular ring type body flange 5.
Below in conjunction with embodiment the utility model is done further to describe.
Embodiment
The two-layer equation constant-current stabilizer that a kind of continuous casting tundish of present embodiment is used is made up of flow straightener base plate 6, flow straightener exterior wall 1, flow straightener interior wall 2 and circular ring type body flange 5, and the bottom of flow straightener exterior wall 1 is connected with flow straightener base plate 6 mutually; This flow straightener exterior wall 1 is a sector structure; Its external arc sidewall is a deflector 4, and deflector 4 is provided with pod apertures 3, and the pod apertures 3 in the present embodiment is provided with two rows; Last row is provided with 2 pod apertures 3; Following row is provided with 2 pod apertures 3, and the height of this deflector 4 is greater than the height of flow straightener exterior wall 1 other three sidewalls, and deflector 4 exceeds other three sidewall 80mm in the present embodiment; This deflector 4 has improved the tundish molten steel flow field, can promote inclusion floating; The set inside of flow straightener exterior wall 1 has the flow straightener interior wall 2 that is connected mutually with flow straightener base plate 6; This flow straightener interior wall 2 is a hollow cylindrical structures, and the inwall of flow straightener interior wall 2 is provided with 2 ~ 6 circular ring type body flanges 5, is provided with 3 circular ring type body flanges 5 in the present embodiment altogether; This circular ring type body flange 5 is evenly arranged in the inwall of flow straightener interior wall 2; In actual the use, circular ring type body flange 5 plays the choked flow effect, the MOLTEN STEEL FLOW state in the time of can stablizing molten steel injection impact zone; Slow down the turbulence of beam district molten steel and roll, thereby prevent that tundish molten steel surface coverture is involved in molten steel.
The two-layer equation constant-current stabilizer that a kind of continuous casting tundish of the utility model is used; The flow straightener exterior wall 1 and the flow straightener interior wall 2 two-layer equation current stabilization structures of design make that liquid steel temperature and composition are full and uniform, have improved the tundish molten steel flow field; Help inclusion floating; Slowed down the turbulence of beam district molten steel and rolled, thereby prevented that tundish molten steel surface coverture is involved in molten steel, has improved the slab quality of continuous casting billet.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in the accompanying drawing also is one of embodiment of the utility model, and practical structure is not limited thereto.So,, under the situation that does not break away from the utility model creation aim,, all should belong to the protection domain of the utility model without creationary frame mode similar and the embodiment of designing with this technical scheme if those of ordinary skill in the art is enlightened by it.
Claims (4)
1. two-layer equation constant-current stabilizer that the continuous casting tundish is used; Comprise flow straightener base plate (6); It is characterized in that: also comprise flow straightener exterior wall (1), flow straightener interior wall (2) and circular ring type body flange (5), the bottom of said flow straightener exterior wall (1) is connected with flow straightener base plate (6) mutually, and this flow straightener exterior wall (1) is a sector structure; Its external arc sidewall is deflector (4), and the height of this deflector (4) is greater than the height of other three sidewalls of flow straightener exterior wall (1); The set inside of said flow straightener exterior wall (1) has the flow straightener interior wall (2) that is connected mutually with flow straightener base plate (6), and this flow straightener interior wall (2) is a hollow cylindrical structures, and the inwall of flow straightener interior wall (2) is provided with circular ring type body flange (5).
2. the two-layer equation constant-current stabilizer that a kind of continuous casting tundish according to claim 1 is used is characterized in that: described deflector (4) is provided with pod apertures (3).
3. the two-layer equation constant-current stabilizer that a kind of continuous casting tundish according to claim 1 and 2 is used is characterized in that: said circular ring type body flange (5) is provided with 2 ~ 6, and this circular ring type body flange (5) is evenly arranged in the inwall of flow straightener interior wall (2).
4. the two-layer equation constant-current stabilizer that a kind of continuous casting tundish according to claim 2 is used is characterized in that: described pod apertures (3) is provided with two rows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205679398U CN202377504U (en) | 2011-12-30 | 2011-12-30 | Double-layer type current regulator for continuous casting tundish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205679398U CN202377504U (en) | 2011-12-30 | 2011-12-30 | Double-layer type current regulator for continuous casting tundish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202377504U true CN202377504U (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205679398U Expired - Fee Related CN202377504U (en) | 2011-12-30 | 2011-12-30 | Double-layer type current regulator for continuous casting tundish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202377504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111960A (en) * | 2016-08-26 | 2016-11-16 | 陈学红 | A kind of ladle with dashpot |
| CN110479995A (en) * | 2019-08-27 | 2019-11-22 | 北京利尔高温材料股份有限公司 | A kind of inside and outside composition current stabilizer of continuous casting triangle tundish |
-
2011
- 2011-12-30 CN CN2011205679398U patent/CN202377504U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111960A (en) * | 2016-08-26 | 2016-11-16 | 陈学红 | A kind of ladle with dashpot |
| CN106111960B (en) * | 2016-08-26 | 2018-06-19 | 广西中金金属科技有限公司 | A kind of ladle with dashpot |
| CN110479995A (en) * | 2019-08-27 | 2019-11-22 | 北京利尔高温材料股份有限公司 | A kind of inside and outside composition current stabilizer of continuous casting triangle tundish |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20121230 |