CN216828636U

CN216828636U - Continuous casting tundish with slag blocking wall

Info

Publication number: CN216828636U
Application number: CN202220485255.1U
Authority: CN
Inventors: 张毅; 卫志龙
Original assignee: Jinan Baima Huayi Refractory Co ltd
Current assignee: Jinan Baima Huayi Refractory Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-06-28
Anticipated expiration: 2032-03-08

Abstract

The utility model provides a continuous casting tundish with slag wall, which comprises a continuous casting tundish body, wherein the right end of the continuous casting tundish body is communicated with a fixed input cavity, a cover plate is arranged at the upper end of the continuous casting tundish body, two slag wall plates are symmetrically and fixedly connected at the middle position inside the continuous casting tundish body, a plurality of diversion holes are uniformly arranged at the lower part of each slag wall plate, the slag wall plates are connected with a baffle plate in a sliding way towards the inner end, two floating plates with a plurality of through holes are fixedly connected at the lower side between the baffle plates and are attached at the bottom end inside the continuous casting tundish body, the design enables the floating plates and the baffle plates to move upwards under the buoyancy action of casting solution, so that the diversion holes exposed by the casting solution are conveyed, at the moment, the baffle plates can block the floating slag on the upper layer of the casting solution from the flat diversion holes, and effectively avoid the phenomenon that the floating slag on the casting solution is guided out, the casting quality is improved.

Description

Continuous casting tundish with slag blocking wall

Technical Field

The utility model relates to a continuous casting tundish with a slag wall, which belongs to the technical field of continuous casting tundish.

Background

The tundish is a refractory material container used in short-flow steelmaking, firstly receives molten steel poured from a ladle, and then the molten steel is distributed into each crystallizer from a tundish outlet, in the continuous casting process, the tundish can stabilize the steel flow, reduce the scouring of the steel flow on a blank shell in the crystallizer, can homogenize the components and the temperature, promote inclusions to float upwards, and is also communicated with a multi-flow continuous casting machine, and can shunt the molten steel to realize the continuous casting effect, in the prior art, the continuous casting tundish generally adopts a slag wall structure to block floating impurities, and a plurality of flow guide holes are designed at the lower part of the slag wall structure, so that the pure part of the molten steel is led out, but in the process of injecting the molten steel into the continuous casting tundish, the liquid of the molten steel can slowly move upwards from the bottom, in the process, the floating impurities are easily led out from the flow guide holes to influence the subsequent casting quality, it is therefore desirable to solve the above problems by designing a continuous casting tundish with a slag dam.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a continuous casting tundish with slag wall to solve the problem of proposing in the above-mentioned background art, the utility model discloses effectively avoid casting solution come-up sediment to take place to be derived the phenomenon, promote the casting quality.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a package in middle of continuous casting with pushing off slag wall, package body in the middle of the continuous casting, the fixed input chamber of package body right-hand member intercommunication in the middle of the continuous casting, package body upper end installation apron and apron setting are in the input chamber upper end in the middle of the continuous casting, two vertical arrangement's of package body inside intermediate position symmetry fixed connection pushing off slag wallboard and pushing off slag wallboard are in the apron lower extreme, two set up the input chamber between the pushing off slag wallboard, a plurality of water conservancy diversion holes are evenly seted up to pushing off slag wallboard lower part, pushing off slag wallboard passes the apron upside towards inner sliding connection baffle and baffle upper end, two this internal bottom of package in the middle of the continuous casting is laminated to floater and the floater that downside fixed connection has a plurality of through-holes between the baffle.

Furthermore, a plurality of liquid outlet holes are fixed in the lower end of the continuous casting tundish body in a communicated mode, the liquid outlet holes are located on the outer side of the slag stopping wallboard, the right side of the upper end of the cover plate is connected and installed with a liquid inlet pipe used for conveying solution, and the liquid inlet pipe penetrates through the cover plate and is communicated with the input cavity.

Furthermore, the bottom end of the inner part of the input cavity is fixedly connected with a tapered block which is narrow at the left and high at the right, and the inclined plane of the tapered block is arranged under the liquid inlet pipe.

Furthermore, a plurality of limiting plates are arranged at the left end of the conical block and the right wall inside the continuous casting tundish body at equal intervals, and the limiting plates are positioned on the upper side of the floating plate.

Further, the draw runner of a plurality of vertical arrangement of slag stopping wallboard towards inner equidistance fixed connection, a plurality of spouts are seted up towards slag stopping wallboard one end equidistance to the baffle, draw runner sliding connection is in the spout.

Further, the position of the upper side edge of the outward end of the baffle plate is fixedly connected with a limiting plate, and the limiting plate is arranged at the upper end of the cover plate.

Further, the baffle and the limiting plate are in an integrated molding structure.

The utility model has the advantages that: the utility model discloses a continuous casting tundish with a slag wall.

1. Under casting solution buoyancy, make the kickboard rebound, thereby make baffle rebound, and then make the water conservancy diversion hole on the pushing off the slag wallboard expose slowly from making progress down, can make the solution of lower part position in the middle cavity casting solution pass through in the water conservancy diversion hole carries the cavity of front and back both sides, and the kickboard is in the casting solution middle part under self weight effect, the upper dross of casting solution can be blockked by the baffle to flat water conservancy diversion hole in the cavity with the middle this moment, effectively avoid in the middle cavity casting solution come-up sediment get into two front and back cavities, promote the casting quality.

2. Utilize the toper piece, strike between taking place with the casting solution of pouring into the input chamber, increase input chamber intensity itself on the one hand, promote life, the inclined plane of on the other hand toper piece can guide the casting solution of pouring into, makes the casting solution can get into in the continuous casting tundish body completely.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a continuous casting tundish with a slag wall according to the present invention;

FIG. 2 is a schematic view of a continuous casting tundish body in a continuous casting tundish with a slag dam of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of a slag-stopping wall plate in a continuous casting tundish having a slag-stopping wall according to the present invention;

FIG. 5 is an assembly view of the baffle and the floating plate in the continuous casting tundish with the slag wall of the present invention.

In the figure: 1-continuous casting tundish body, 2-cover plate, 3-input cavity, 4-baffle, 5-slag-stopping wall plate, 6-floating plate, 11-limiting plate, 12-liquid outlet hole, 21-liquid inlet pipe, 31-conical block, 41-limiting plate, 42-chute, 51-slide bar and 52-flow guide hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a continuous casting tundish with a slag wall comprises a continuous casting tundish body 1, a fixed input cavity 3 is communicated with the right end of the continuous casting tundish body 1, casting solution is conveyed into the continuous casting tundish body 1 through the input cavity 3, a cover plate 2 is arranged at the upper end of the continuous casting tundish body 1, the cover plate 2 is arranged at the upper end of the input cavity 3, the cover plate 2 can plug the opening of the continuous casting tundish body 1 on one hand, and provide an installation carrier for the liquid inlet pipe 21 on the other hand, the lower end of the continuous casting tundish body 1 is communicated and fixed with a plurality of liquid outlet holes 12, and the liquid outlet holes 12 are positioned outside the slag stopping wall plate 5, the casting solution in the continuous casting tundish body 1 is conveyed to the casting forming equipment through the liquid outlet hole 12, the right side of the upper end of the cover plate 2 is connected and installed with a liquid inlet pipe 21 for conveying the solution, and the liquid inlet pipe 21 penetrates through the cover plate 2 and is communicated with the input cavity 3, and the casting solution is conveyed into the input cavity 3 through the liquid inlet pipe 21.

Specifically, the casting solution is injected into the input cavity 3 from the ladle through the liquid inlet pipe 21, then the casting solution in the input cavity 3 enters the continuous casting tundish body 1, then the casting solution in the continuous casting tundish body 1 is purified, and after the purification, the casting solution in the continuous casting tundish body 1 is conveyed into the casting forming equipment through the liquid outlet hole 12, so that the casting forming operation is realized.

As shown in fig. 2 and 3, the bottom end of the inner part of the input cavity 3 is fixedly connected with the tapered block 31 which is arranged in a left narrow and right high manner, the inclined surface of the tapered block 31 is arranged under the liquid inlet pipe 21, the tapered block 31 is arranged in the input cavity 3, and the tapered block and the casting solution injected into the input cavity 3 are impacted, so that the strength of the input cavity 3 is increased, the service life is prolonged, and the inclined surface of the tapered block 31 can guide the injected casting solution, so that the casting solution can completely enter the continuous casting tundish body 1.

As shown in fig. 2 and 4, the two slag-stopping wall plates 5 which are vertically arranged and are symmetrically and fixedly connected with the middle position inside the continuous casting tundish body 1 and the slag-stopping wall plates 5 are positioned at the lower end of the cover plate 2, the slag-stopping treatment can be carried out on the casting solution in the continuous casting tundish body 1 through the slag-stopping wall plates 5, the input cavity 3 is arranged between the two slag-stopping wall plates 5, the lower part of the slag-stopping wall plate 5 is uniformly provided with a plurality of flow guide holes 52, and the casting solution can flow through the flow guide holes 52.

Specifically, set up two pushing off slag wallboard 5 in package body 1 in the middle of the continuous casting to package body 1 internal space separation becomes three cavity in the middle of with the continuous casting, when using, in the middle cavity of casting solution entering earlier in the input chamber 3, then through water conservancy diversion hole 52, in the cavity of messenger middle cavity flows the cavity of front and back both sides respectively, and under pushing off slag wallboard 5 effect, can carry out the slagging-off to the casting solution in the cavity of both sides, thereby carry out purification treatment to the casting solution.

As shown in fig. 1, 2, 3, 4 and 5, the slag-stopping wall plate 5 is slidably connected to the baffle 4 towards the inner end, the upper end of the baffle 4 penetrates through the upper side of the cover plate 2, the baffle 4 can block the flow guide hole 52, the upper edge of the outer end of the baffle 4 is fixedly connected to the limiting plate 41, the limiting plate 41 is positioned at the upper end of the cover plate 2, the separation between the cover plate 2 and the baffle 4 is effectively avoided by the limiting plate 41, the baffle 4 and the limiting plate 41 are in an integrated molding structure, the integrated molding structure is designed to facilitate production, the slag-stopping wall plate 5 is fixedly connected with a plurality of vertically arranged sliding strips 51 towards the inner end at equal intervals, the sliding strips 51 are matched with the sliding grooves 42 for use, the baffle 4 can be moved and guided, the baffle 4 is provided with a plurality of sliding grooves 42 at equal intervals towards one end of the slag-stopping wall plate 5, the sliding strips 51 are slidably connected in the sliding grooves 42, the floating plate 6 with a plurality of through holes is fixedly connected at the lower side between the two baffles 4, and the floating plate 6 is attached to the bottom end inside the continuous casting tundish body 1, through kickboard 6, enable baffle 4 rebound, a plurality of limiting plates 11 of the 31 left ends of toper piece and the inside right wall equidistance installation of continuous casting tundish body 1 and limiting plate 11 are in kickboard 6 upside, through limiting plate 11, can restrict the position that shifts up 6 kickboards.

Specifically, when not carrying casting solution, baffle 4 stops water conservancy diversion hole 52 on the pushing off slag wallboard 5 earlier, when casting solution is carried to middle cavity to input chamber 3, can be under casting solution buoyancy, make kickboard 6 rebound, thereby make baffle 4 rebound, and then make water conservancy diversion hole 52 on the pushing off slag wallboard 5 expose slowly from making progress down, can make the solution of lower part position in the middle cavity casting solution carry the cavity of front and back both sides through water conservancy diversion hole 52, and kickboard 6 is in the casting solution middle part under self weight effect, the upper dross of casting solution in the cavity with the middle this moment and can be stopped by baffle 4 to flat water conservancy diversion hole 52, effectively avoid in the middle cavity casting solution come-up sediment to get into two front and back cavities, promote casting quality.

The present description is described in terms of embodiments, but not every embodiment includes only a single embodiment, and such descriptions are provided for clarity only, and those skilled in the art should be able to integrate the description, and the embodiments can be combined appropriately to form other embodiments as will be understood by those skilled in the art.

Claims

1. The utility model provides a package in middle of continuous casting with keep off slag wall, includes package body (1) in middle of the continuous casting, its characterized in that: the right end of the continuous casting tundish body (1) is communicated with the fixed input cavity (3), the upper end of the continuous casting tundish body (1) is provided with the cover plate (2), the cover plate (2) is arranged at the upper end of the input cavity (3), the middle position in the continuous casting tundish body (1) is symmetrically and fixedly connected with two slag-stopping wall plates (5) which are vertically arranged, the slag-stopping wall plates (5) are arranged at the lower end of the cover plate (2), an input cavity (3) is arranged between the two slag-stopping wall plates (5), a plurality of water conservancy diversion holes (52) are evenly seted up to pushing off slag wallboard (5) lower part, apron (2) upside is passed towards inner end sliding connection baffle (4) and baffle (4) upper end in pushing off slag wallboard (5), two downside fixed connection has kickboard (6) and kickboard (6) laminating of a plurality of through-holes and wraps the inside bottom of body (1) in the middle of the continuous casting between baffle (4).

2. The continuous casting tundish with a slag wall according to claim 1, wherein: the continuous casting tundish body is characterized in that the lower end of the continuous casting tundish body (1) is communicated with a plurality of liquid outlet holes (12) which are fixed, the liquid outlet holes (12) are positioned outside the slag stopping wall plate (5), the right side of the upper end of the cover plate (2) is connected with a liquid inlet pipe (21) which is used for conveying solution, and the liquid inlet pipe (21) penetrates through the cover plate (2) and is communicated with the input cavity (3).

3. The continuous casting tundish with a slag wall according to claim 2, wherein: the bottom end in the input cavity (3) is fixedly connected with a tapered block (31) which is narrow at the left and high at the right, and the inclined plane of the tapered block (31) is arranged under the liquid inlet pipe (21).

4. A continuous casting tundish with a slag wall according to claim 3, wherein: a plurality of limiting plates (11) are arranged at the left end of the conical block (31) and the right wall inside the continuous casting tundish body (1) at equal intervals, and the limiting plates (11) are positioned on the upper side of the floating plate (6).

5. The continuous casting tundish with a slag wall according to claim 1, wherein: slag-stopping wall board (5) towards a plurality of vertical arrangement's of inner end equidistance fixed connection draw runner (51), baffle (4) are seted up a plurality of spout (42) towards slag-stopping wall board (5) one end equidistance, draw runner (51) sliding connection is in spout (42).

6. The continuous casting tundish with a slag wall according to claim 1, wherein: the baffle (4) is fixedly connected with a limiting plate (41) at the upper edge of the outward end, and the limiting plate (41) is positioned at the upper end of the cover plate (2).

7. The continuous casting tundish with a slag wall according to claim 6, wherein: the baffle (4) and the limiting plate (41) are of an integrated molding structure.