CN102029364A - Partition plate device of casting system of double-roller continuous casting machine - Google Patents
Partition plate device of casting system of double-roller continuous casting machine Download PDFInfo
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- CN102029364A CN102029364A CN 201010616400 CN201010616400A CN102029364A CN 102029364 A CN102029364 A CN 102029364A CN 201010616400 CN201010616400 CN 201010616400 CN 201010616400 A CN201010616400 A CN 201010616400A CN 102029364 A CN102029364 A CN 102029364A
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Abstract
The invention discloses a partition plate device of a casting system of a double-roller continuous casting machine. The partition plate device comprises a partition plate, a tundish, a tundish casting passage A, a tundish casting passage B, a tundish partition wall, a partition plate casting passage A, a partition plate casting passage B, a collecting hole A, a collecting hole B, a shunting hole A, a shunting hole B, a lateral wing plate A and a lateral wing plate B, wherein the tundish casting passage A, the partition plate casting passage A, the collecting hole A and the shunting hole A form a molten steel casting passage A; and the tundish casting passage B, the partition plate casting passage B, the collecting hole B and the shunting hole B form a molten steel casting passage B. Under the condition that the molten steel is not mixed when two kinds of molten steel are solidified on crystallization rollers respectively, the two casting passages and the partition plate are combined together to form a whole; the head can be dipped into the molten steel of a melt bath so as to effectively prevent secondary oxidation of the molten steel; and the collecting holes and the shunting holes are added in the structural design, so impact of the molten steel is reduced, the molten steel is uniformly distributed and the liquid level is stable.
Description
Technical field
The present invention relates to a kind of double-roll type conticaster and make the technology of clad steel plate, particularly a kind of baffle plate device of double-roller continuous casting machine casting system.
Background technology
Existing stratiform clad steel plate manufacture method has explosion welding, welding method, vacuum pressure welding, rolling etc., wherein: when adopting blasting procedure, welding method, vacuum pressure welding, because the manufactured steel plates size dimension is restricted, has the shortcoming that is difficult to obtain long size steel plate; And the employing rolling because device structure complexity, manufacturing process are many, though can produce long size steel plate, has the high shortcoming of manufacturing cost.
The technology that the double-roll type conticaster that China one heavy group develops is recently made clad steel plate has solved the problems referred to above effectively, has realized continuous rolling and purpose cheaply.But this equipment adopts the baffle plate device of two casting mouths of a river and a central dividing plate, because casting space is narrow and small, is difficult in and puts into two casting mouths of a river and a central dividing plate in the so little space, can only be open casting, thereby cause the secondary oxidation of molten steel.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the present invention designs and a kind ofly can make two kinds of molten steel solidify the baffle plate device that molten steel does not simultaneously mix, can overcome again the double-roller continuous casting machine casting system of secondary oxidation of steel respectively on the crystallization roller.
To achieve these goals, technical scheme of the present invention is as follows: a kind of baffle plate device of double-roller continuous casting machine casting system, comprise dividing plate, pans, tundosh casting passage A, the tundosh casting channel B, the pans partition wall, dividing plate pouring channel A, dividing plate pouring channel B, flow concentration hole A, flow concentration hole B, tap hole A, tap hole B, side wing plate A and side wing plate B, described dividing plate is installed in the bottom of pans, described pans partition wall is installed in the centre of pans, pans are divided into two molten steel chambers, in the pans bottom, the both sides of pans partition wall vertically have tundosh casting passage A and tundosh casting channel B, vertically have dividing plate pouring channel A and dividing plate pouring channel B respectively in the vertical center line both sides of dividing plate, lower end at dividing plate pouring channel A and dividing plate pouring channel B is respectively equipped with flow concentration hole A and flow concentration hole B, below flow concentration hole A and flow concentration hole B, be respectively equipped with tap hole A and tap hole B, be respectively equipped with side wing plate A and side wing plate B in the lower partition both sides; Described tundosh casting passage A, dividing plate pouring channel A, flow concentration hole A and tap hole A constitute first kind molten steel casting passage, and described tundosh casting channel B, dividing plate pouring channel B, flow concentration hole B and tap hole B constitute second kind molten steel casting passage; Described first kind molten steel casting passage and second kind molten steel casting passage lead to first molten steel bath and second molten steel bath respectively.
The projection of side wing plate A of the present invention and side wing plate B is an arc, and cambered surface is concentric and form the gap with the crystallization roller, and the big or small shell thickness in gap is determined.
The bottom of dividing plate of the present invention is an arc shape.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention combines into two pouring channels and dividing plate as a whole, and head can be immersed in the bath molten steel, has effectively prevented the secondary oxidation of molten steel.In structural design, add flow concentration hole and tap hole, reduced the impact of steel stream, make the uniform liquid level stabilizing of molten steel.
2, the lower partition of the present invention is designed to special shape, is immersed in the molten steel bath that is surrounded by cooling casting roller and side air ring, in bath two kinds of molten steel is separated, and makes it and can not mix.Two casting circulation roads are set in the dividing plate, and two kinds of molten steel are respectively by two passage casting molten steel, and molten steel forms the base shell at two cooling casting roller surfaces.
3, partition wall is set with the pans separated into two parts in pans, respectively two kinds of molten steel of splendid attire.Two pouring channels of pans bottom design dock with two passages of dividing plate respectively.The lower partition is designed to manifold and alleviates casting flow velocity degree, and tap hole is set below flow concentration hole, makes casting stream cool off the casting roll shaft to being evenly distributed.The dividing plate two bottom sides is designed to the wing plate shape, and two wing plate projections are designed to arc according to cooling casting roll surface, and the strand side forms Y font base shell.Dividing plate bottom one side cambered surface contacts with the base shell surface of formation, separates molten steel two kinds of molten steel can not be mixed.
Description of drawings
The present invention has 2 accompanying drawings, wherein:
Fig. 1 is the baffle plate device structural representation.
Fig. 2 is the A-A cutaway view of Fig. 1.
Among the figure: 1, path casting roller, 2, the side air ring, 3, big footpath casts roller, 4, first kind molten steel, 5, second kind molten steel, 6, pans, 7, tundosh casting passage A, 8, the tundosh casting channel B, 9, the pans partition wall, 10, dividing plate, 11, dividing plate pouring channel A, 12, dividing plate pouring channel B, 13, flow concentration hole A, 14, flow concentration hole B, 15, tap hole B, 16, tap hole A, 17, side wing plate A, 18, side wing plate B, 19, second molten steel bath, 20, first molten steel bath, 21, first steel billet shell, 22, second steel billet shell, 23, composite steel billet.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further.Shown in Fig. 1-2, a kind of baffle plate device of double-roller continuous casting machine casting system, comprise dividing plate 10, pans 6, tundosh casting passage A7, tundosh casting channel B 8, pans partition wall 9, dividing plate pouring channel A11, dividing plate pouring channel B12, flow concentration hole A13, flow concentration hole B14, tap hole A16, tap hole B15, side wing plate A17 and side wing plate B18, described dividing plate 10 is installed in the bottom of pans 6, described pans partition wall 9 is installed in the centre of pans 6, pans 6 are divided into two molten steel chambers, in pans 6 bottoms, the both sides of pans partition wall 9 vertically have tundosh casting passage A7 and tundosh casting channel B 8, vertically have dividing plate pouring channel A11 and dividing plate pouring channel B12 respectively in the vertical center line both sides of dividing plate 10, lower end at dividing plate pouring channel A11 and dividing plate pouring channel B12 is respectively equipped with flow concentration hole A13 and flow concentration hole B14, below flow concentration hole A13 and flow concentration hole B14, be respectively equipped with tap hole A16 and tap hole B15, be respectively equipped with side wing plate A17 and side wing plate B18 in both sides, dividing plate 10 bottom; Described tundosh casting passage A7, dividing plate pouring channel A11, flow concentration hole A13 and tap hole A16 constitute first kind molten steel 4 pouring channels, and described tundosh casting channel B 8, dividing plate pouring channel B12, flow concentration hole B14 and tap hole B15 constitute second kind molten steel 5 pouring channels; Described first kind molten steel 4 pouring channels and second kind molten steel 5 pouring channels lead to first molten steel bath 20 and second molten steel bath 19 respectively.The projection of described side wing plate A17 and side wing plate B18 is an arc, and cambered surface is concentric and form the gap with the crystallization roller, and the size in gap is pressed D point shell thickness and determined.The bottom of described dividing plate 10 is an arc shape.
Operation principle of the present invention is as follows:
First kind molten steel 4 and second kind molten steel 5 are contained in respectively in two molten steel chambers of pans 6, first kind molten steel 4 enters into flow concentration hole A13 by tundosh casting passage A7, dividing plate pouring channel A11, flow concentration hole A13 plays casting flow velocity degree cushioning effect, tap hole A16 axially evenly distributes along path casting roller 1, first kind molten steel 4 is frozen into first steel billet shell 21 on path casting roller 1, the side wing plate A17 of dividing plate 10 contacts with side air ring 2 surfaces, and the cambered surface of side wing plate A17 forms the side of first steel billet shell 21.In like manner, second kind molten steel 5 enters into flow concentration hole B14 by tundosh casting channel B 8, dividing plate pouring channel B12, flow concentration hole B14 plays casting flow velocity degree cushioning effect, tap hole B15 casts roller 3 along big footpath and axially evenly distributes, second kind molten steel 5 is cast in big footpath and is frozen into second steel billet shell 22 on the roller 3, the side wing plate B18 of dividing plate 10 contacts with side air ring 2 surfaces, and the cambered surface of side wing plate B18 forms the side of second steel billet shell 22.The lower surface D point of dividing plate 10 is designed to cambered surface and contacts with second steel billet shell 22, intercepts first kind molten steel 4 and second kind molten steel 5 mixed flows.First, second steel billet shell 22 is combined into composite steel billet 23 at P point place.
The above; only be the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; all are familiar with those skilled in the art in technical scope disclosed by the invention, are equal to replacement or change and all should be encompassed within protection scope of the present invention according to technical scheme of the present invention and design of the present invention thereof.
Claims (3)
1. the baffle plate device of a double-roller continuous casting machine casting system, comprise dividing plate (10), pans (6), tundosh casting passage A (7), tundosh casting channel B (8) and pans partition wall (9), it is characterized in that: also comprise dividing plate pouring channel A (11), dividing plate pouring channel B (12), flow concentration hole A (13), flow concentration hole B (14), tap hole A (16), tap hole B (15), side wing plate A (17) and side wing plate B (18), described dividing plate (10) is installed in the bottom of pans (6), described pans partition wall (9) is installed in the centre of pans (6), pans (6) are divided into two molten steel chambers, in pans (6) bottom, the both sides of pans partition wall (9) vertically have tundosh casting passage A (7) and tundosh casting channel B (8), vertically have dividing plate pouring channel A (11) and dividing plate pouring channel B (12) respectively in the vertical center line both sides of dividing plate (10), be respectively equipped with flow concentration hole A (13) and flow concentration hole B (14) in the lower end of dividing plate pouring channel A (11) and dividing plate pouring channel B (12), be respectively equipped with tap hole A (16) and tap hole B (15) in the below of flow concentration hole A (13) and flow concentration hole B (14), be respectively equipped with side wing plate A (17) and side wing plate B (18) in dividing plate (10) both sides, bottom; Described tundosh casting passage A (7), dividing plate pouring channel A (11), flow concentration hole A (13) and tap hole A (16) constitute first kind molten steel (4) pouring channel, and described tundosh casting channel B (8), dividing plate pouring channel B (12), flow concentration hole B (14) and tap hole B (15) constitute second kind molten steel (5) pouring channel; Described first kind molten steel (4) pouring channel and second kind molten steel (5) pouring channel lead to first molten steel bath (20) and second molten steel bath (19) respectively.
2. the baffle plate device of a kind of double-roller continuous casting machine casting system according to claim 1, it is characterized in that: the projection of described side wing plate A (17) and side wing plate B (18) is an arc, cambered surface is concentric and form the gap with the crystallization roller, and the size in gap is pressed shell thickness and determined.
3. the baffle plate device of a kind of double-roller continuous casting machine casting system according to claim 1 is characterized in that: the bottom of described dividing plate (10) is an arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010616400 CN102029364B (en) | 2010-12-30 | 2010-12-30 | Partition plate device of casting system of double-roller continuous casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010616400 CN102029364B (en) | 2010-12-30 | 2010-12-30 | Partition plate device of casting system of double-roller continuous casting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102029364A true CN102029364A (en) | 2011-04-27 |
| CN102029364B CN102029364B (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010616400 Expired - Fee Related CN102029364B (en) | 2010-12-30 | 2010-12-30 | Partition plate device of casting system of double-roller continuous casting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100674A (en) * | 2012-11-29 | 2013-05-15 | 一重集团大连设计研究院有限公司 | Combination-type side sealing device of horizontal double-roller continuous casting machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045718A (en) * | 1989-03-08 | 1990-10-03 | 斯特尔科有限公司 | Dual plate strip caster |
| JPH06198397A (en) * | 1993-01-07 | 1994-07-19 | Nippon Steel Corp | Method and device of continuous casting of thin thickness dual layer sheet |
| JPH07303944A (en) * | 1994-05-11 | 1995-11-21 | Nippon Steel Corp | Twin roll type continuous casting method for clad thin cast slab and apparatus thereof |
| CN1803334A (en) * | 2005-12-02 | 2006-07-19 | 重庆大学 | Double roller continuous casting magnesium alloy thin strip casting device |
| CN101254529A (en) * | 2008-01-17 | 2008-09-03 | 北京交通大学 | Production method of large-sized duplex metal composite board and device thereof |
| CN201603847U (en) * | 2010-03-19 | 2010-10-13 | 宝山钢铁股份有限公司 | Strip continuous-casting metal delivery device |
-
2010
- 2010-12-30 CN CN 201010616400 patent/CN102029364B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045718A (en) * | 1989-03-08 | 1990-10-03 | 斯特尔科有限公司 | Dual plate strip caster |
| JPH06198397A (en) * | 1993-01-07 | 1994-07-19 | Nippon Steel Corp | Method and device of continuous casting of thin thickness dual layer sheet |
| JPH07303944A (en) * | 1994-05-11 | 1995-11-21 | Nippon Steel Corp | Twin roll type continuous casting method for clad thin cast slab and apparatus thereof |
| CN1803334A (en) * | 2005-12-02 | 2006-07-19 | 重庆大学 | Double roller continuous casting magnesium alloy thin strip casting device |
| CN101254529A (en) * | 2008-01-17 | 2008-09-03 | 北京交通大学 | Production method of large-sized duplex metal composite board and device thereof |
| CN201603847U (en) * | 2010-03-19 | 2010-10-13 | 宝山钢铁股份有限公司 | Strip continuous-casting metal delivery device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100674A (en) * | 2012-11-29 | 2013-05-15 | 一重集团大连设计研究院有限公司 | Combination-type side sealing device of horizontal double-roller continuous casting machine |
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| CN102029364B (en) | 2012-12-05 |
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