CN218591811U

CN218591811U - Novel sliding nozzle type steel ladle

Info

Publication number: CN218591811U
Application number: CN202223282796.3U
Authority: CN
Inventors: 李家道
Original assignee: Qingdao Zhuyuan Casting Machinery Co ltd
Current assignee: Qingdao Zhuyuan Casting Machinery Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-03-10
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to the technical field of steel ladles, and discloses a novel sliding gate type steel ladle, which solves the problem that the prior sliding gate type steel ladle is easy to have bias flow to influence continuous casting, and comprises a steel ladle body, wherein the bottom end of the steel ladle body is provided with a sliding gate component, the sliding gate component consists of a fixed upper sliding plate, a movable sliding plate I, a movable sliding plate II, a fixed lower sliding plate, a lower gate, a hydraulic rod I and a hydraulic rod II, the fixed upper sliding plate is fixedly connected with the bottom end of the steel ladle body, the movable sliding plate I and the movable sliding plate II are respectively positioned at two sides of the bottom end of the fixed upper sliding plate, the movable sliding plate I and the movable sliding plate II are respectively matched and connected with the steel ladle body through the hydraulic rod I and the hydraulic rod II, and the fixed lower sliding plate is positioned at the bottom ends of the movable sliding plate I and the movable sliding plate II; the symmetrical opening can be realized through the sliding nozzle type steel ladle, so that the bias flow can be effectively avoided, and the continuous casting quality is improved.

Description

Novel sliding nozzle type steel ladle

Technical Field

The utility model belongs to the technical field of the steel ladle, specifically be a novel slip mouth of a river formula steel ladle.

Background

The sliding nozzle for continuous casting in modern steel works is basically a so-called 'three-layer' structure of an upper nozzle brick, a sliding plate and a lower nozzle brick, the opening degree is variable in the sliding flow control process, and molten steel generates bias flow when the molten steel is not completely opened, so that various continuous casting problems are caused. Predecessors studied the opening of the sliding gate of the tundish, and indicated that the incomplete opening of the sliding gate is a main cause of bias flow, and the increase of the pulling speed aggravates the generation of the bias flow; the influence of the flow field of the sliding nozzle in the slab continuous casting is also researched, and the research shows that when the sliding plate is not completely opened, the molten steel in the nozzle is obviously deflected, a backflow area is arranged in the area below the sliding plate, and single-side impact turbulence is formed at the bottom end of the nozzle, so that the discharged molten steel of the nozzle is in a rotating flow state.

At present, steel flow generated by a sliding water gap flow control device used in a steel plant is asymmetrical, and the phenomenon of bias flow of a molten steel outlet generally exists, so that the problem to be solved urgently is solved.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a novel sliding gate formula steel ladle, the effectual current sliding gate formula steel ladle of having solved appears the bias current easily and influences the problem of continuous casting.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel slide gate nozzle formula steel ladle, includes the steel ladle body, the bottom of steel ladle body is provided with the slide gate subassembly, the slide gate subassembly comprises fixed slide, activity slide one, activity slide two, fixed lower slide, the mouth of a river, hydraulic stem one and hydraulic stem two, fixed slide fixed connection in the bottom of steel ladle body, activity slide one and activity slide two are located the both sides of fixed slide bottom respectively, activity slide one and activity slide two are connected with the steel ladle body through hydraulic stem one and hydraulic stem two respectively in coordination, fixed lower slide is located the bottom of activity slide one and activity slide two and is connected with steel ladle body fixed connection through a plurality of fixing bases, mouth of a river fixed connection is in the bottom of fixed lower slide.

Preferably, the bottom end of the ladle body is provided with a discharge hole, and the middle position of the fixed upper sliding plate is provided with a first lower water hole matched with the discharge hole.

Preferably, an adjustable discharge hole matched with the first drainage hole is formed between the first movable sliding plate and the second movable sliding plate, and the second drainage hole matched with the adjustable discharge hole is formed in the middle positions of the fixed lower sliding plate and the drainage port.

Preferably, the top end of the fixed upper sliding plate is provided with a plurality of first limiting columns and second limiting columns which penetrate through the ladle body.

Preferably, both sides of the fixed upper sliding plate are provided with mounting plates, and the mounting plates are fixedly connected with the steel ladle body through a plurality of bolts.

Preferably, the first hydraulic rod and the second hydraulic rod are both fixedly connected with the ladle body through a plurality of fixing clamping sleeves.

Preferably, one side of the top end of the ladle body is provided with a liquid pouring nozzle.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) And in the work, can realize that the symmetry formula opens and shuts through the setting by the sliding gate subassembly that fixed top slide, activity slide one, activity slide two, fixed bottom slide, lower mouth of a river, hydraulic stem one and hydraulic stem two constitute, can effectively avoid appearing the bias current phenomenon realizing the process of accuse flow, can avoid producing the unilateral striking torrent simultaneously, and then avoid the molten steel that effluences at the mouth of a river to be rotatory form flow state, effectively improve the continuous casting quality.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.

In the drawings:

FIG. 1 is a schematic view of a sliding spout ladle according to the present invention;

fig. 2 is a schematic structural view of the sliding gate nozzle assembly of the present invention;

fig. 3 is one of the cross-sectional views of the sliding gate nozzle assembly of the present invention;

fig. 4 is a second cross-sectional view of the sliding gate nozzle assembly of the present invention;

fig. 5 is a third cross-sectional view of the sliding gate nozzle assembly of the present invention;

in the figure: 1. a steel ladle body; 2. a sliding gate assembly; 3. a fixed upper slide plate; 4. a first movable sliding plate; 5. a second movable sliding plate; 6. a fixed lower slide plate; 7. a water outlet; 8. a first hydraulic rod; 9. a second hydraulic rod; 10. a fixed seat; 11. a discharge hole; 12. a first water drainage hole; 13. an adjustable exhaust port; 14. a second drain hole; 15. a first limiting column; 16. a second limiting column; 17. mounting a plate; 18. a bolt; 19. fixing the clamping sleeve; 20. a liquid pouring nozzle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the novel sliding nozzle type steel ladle of the present invention comprises a steel ladle body 1, a sliding nozzle assembly 2 is disposed at the bottom end of the steel ladle body 1, the sliding nozzle assembly 2 is composed of a fixed upper sliding plate 3, a movable sliding plate one 4, a movable sliding plate two 5, a fixed lower sliding plate 6, a lower nozzle 7, a first hydraulic rod 8 and a second hydraulic rod 9, the fixed upper sliding plate 3 is fixedly connected to the bottom end of the steel ladle body 1, the movable sliding plate one 4 and the movable sliding plate two 5 are respectively located at two sides of the bottom end of the fixed upper sliding plate 3, the movable sliding plate one 4 and the movable sliding plate two 5 are respectively connected to the steel ladle body 1 through the first hydraulic rod 8 and the second hydraulic rod 9, the fixed lower sliding plate 6 is located at the bottom ends of the movable sliding plate one 4 and the movable sliding plate two 5 and is fixedly connected to the steel ladle body 1 through a plurality of fixing seats 10, and the lower nozzle 7 is fixedly connected to the bottom end of the fixed lower sliding plate 6;

as shown in fig. 1 to 5, a drain hole 11 is formed in the bottom end of a ladle body 1, so that molten steel can be drained from the ladle body 1, a lower drain hole 12 matched with the drain hole 11 is formed in the middle of a fixed upper sliding plate 3, an adjustable drain hole 13 matched with the lower drain hole 12 is formed between a movable sliding plate 4 and a movable sliding plate 5, so that the amount of the discharged molten steel can be controlled, lower drain holes 14 matched with the adjustable drain holes 13 are formed in the middle of fixed lower sliding plates 6 and the middle of a lower drain 7, a plurality of first limiting columns 15 and second limiting columns 16 penetrating and inserting into the ladle body 1 are formed in the top end of the fixed upper sliding plate 3, so that the fixed upper sliding plate 3 can be limited and fixed, mounting plates 17 are arranged on two sides of the fixed upper sliding plate 3, the mounting plates 17 are fixedly connected with the ladle body 1 through a plurality of bolts 18, the fixed upper sliding plate 3 can be fixedly mounted, the first hydraulic rods 8 and the second hydraulic rods 9 are fixedly connected with the ladle body 1 through a plurality of fixed cutting sleeves 19, so that the mounting stability of the first hydraulic rods 8 and the second hydraulic rods 9 can be improved, and one side of the top end of the ladle body 1 is provided with a liquid pouring nozzle 20;

during the use, drive movable sliding plate 4 and movable sliding plate two 5 through hydraulic stem one 8 and hydraulic stem two 9 synchronization and remove between fixed top slide 3 and fixed lower slide 6, realize the symmetry formula and open and shut to can avoid appearing the bias current phenomenon at the process of accuse flow, can avoid producing unilateral striking torrent simultaneously, avoid the molten steel that effluents at the mouth of a river to be rotatory form flow state, thereby can improve the continuous casting quality.

Claims

1. The utility model provides a novel sliding gate formula steel ladle, includes steel ladle body (1), its characterized in that: the bottom of ladle body (1) is provided with slide gate assembly (2), slide gate assembly (2) comprises fixed slide (3), activity slide (4), activity slide (5), fixed slide (6) down, lower mouth of a river (7), hydraulic stem (8) and hydraulic stem (9), fixed slide (3) fixed connection in the bottom of ladle body (1), activity slide (4) and activity slide (5) are located the both sides of fixed slide (3) bottom respectively, activity slide (4) and activity slide (5) are connected with ladle body (1) through hydraulic stem (8) and hydraulic stem (9) respectively, fixed slide (6) are located the bottom of activity slide (4) and activity slide (5) and through a plurality of fixing base (10) and ladle body (1) fixed connection down, lower mouth of a river (7) fixed connection in the bottom of fixed slide (6) down.

2. The new sliding gate nozzle ladle according to claim 1, wherein: the bottom end of the steel ladle body (1) is provided with a discharge hole (11), and the middle position of the fixed upper sliding plate (3) is provided with a first lower water hole (12) matched with the discharge hole (11).

3. The new sliding gate nozzle ladle according to claim 2, wherein: an adjustable discharge hole (13) matched with the first drainage hole (12) is formed between the first movable sliding plate (4) and the second movable sliding plate (5), and a second drainage hole (14) matched with the adjustable discharge hole (13) is formed in the middle of the fixed lower sliding plate (6) and the drainage port (7).

4. The new sliding gate nozzle ladle as claimed in claim 1, wherein: the top end of the fixed upper sliding plate (3) is provided with a plurality of first limiting columns (15) and second limiting columns (16) which penetrate through the steel ladle body (1).

5. The new sliding gate nozzle ladle as claimed in claim 1, wherein: the fixed type upper sliding plate (3) is characterized in that mounting plates (17) are arranged on two sides of the fixed type upper sliding plate, and the mounting plates (17) are fixedly connected with the steel ladle body (1) through a plurality of bolts (18).

6. The new sliding gate nozzle ladle as claimed in claim 1, wherein: the first hydraulic rod (8) and the second hydraulic rod (9) are fixedly connected with the steel ladle body (1) through a plurality of fixing clamping sleeves (19).

7. The new sliding gate nozzle ladle as claimed in claim 1, wherein: one side of the top end of the steel ladle body (1) is provided with a liquid pouring nozzle (20).