CN214349569U

CN214349569U - Composite refining ladle

Info

Publication number: CN214349569U
Application number: CN202023134495.7U
Authority: CN
Inventors: 苏世杰
Original assignee: Zhengzhou Denek Metallurgy Co ltd
Current assignee: Zhengzhou Denek Metallurgy Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-10-08
Anticipated expiration: 2030-12-23

Abstract

The utility model relates to the field of steel ladles, in particular to a composite refining steel ladle, which comprises a steel ladle shell, a permanent layer of a ladle wall, a ladle wall working layer, a first slag line layer, a second slag line layer, a ladle opening brick and an iron pressing block; the method comprises the following steps that a ladle wall permanent layer is arranged on the inner wall of a ladle shell, a ladle wall working layer is arranged on the lower portion of one side, away from a steel ladle shell, of the ladle wall permanent layer, a first slag line layer is arranged above the ladle wall working layer, a second slag line layer is arranged above the first slag line layer, and the length of the second slag line layer is larger than that of the first slag line layer; and a ladle opening brick is arranged above the second slag line layer, an iron pressing block is arranged on the inner layer of the top of the steel ladle shell, and the iron pressing block is tightly propped against the upper part of the ladle opening brick. Through setting up thicker second slag line layer to the cooperation is pressed iron plate and is used with the package mouth brick, reduces the not hard up of slag line brick, promotes the ladle result of use, can promote the life of ladle simultaneously.

Description

Composite refining ladle

Technical Field

The utility model relates to a ladle field, concretely relates to compound refining ladle's structure technical field.

Background

Argon gas is stirred along the ladle edge of the refined steel ladle in the refining process, so that steel slag is easily accumulated at the ladle edge, the ladle edge is too high, the entering and exiting of the ladle into and out of the refining furnace are influenced, and the ladle edge needs to be periodically treated; when the ladle edge is treated, ladle opening bricks are easy to loosen, so that slag line bricks are easy to loosen during slag pouring or hot repair, molten steel permeates, corrosion is accelerated, and the service life of the ladle is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound concise ladle is through setting up the second slag line layer of being thick to the pull resistance of cooperation pressure iron plate and the crushing resistance of pouring material use, reduce the not hard up of slag line brick, promote ladle result of use, can promote the life of ladle simultaneously.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the composite refining ladle comprises a ladle shell, a permanent ladle wall layer, a ladle wall working layer, a first slag line layer, a second slag line layer, a ladle opening brick and an iron pressing block; the method comprises the following steps that a ladle wall permanent layer is arranged on the inner wall of a ladle shell, a ladle wall working layer is arranged on the lower portion of one side, away from a steel ladle shell, of the ladle wall permanent layer, a first slag line layer is arranged above the ladle wall working layer, a second slag line layer is arranged above the first slag line layer, and the length of the second slag line layer is larger than that of the first slag line layer; and a ladle opening brick is arranged above the second slag line layer, an iron pressing block is arranged on the inner layer of the top of the steel ladle shell, and the iron pressing block is tightly propped against the upper part of the ladle opening brick.

Further, the height of the permanent layer of the ladle wall is lower than the position height of the second slag line layer.

Furthermore, the first slag line layer is formed by building the first slag line prefabricated bricks, and the second slag line layer is formed by building the second slag line prefabricated bricks; the length of the first slag line prefabricated brick is less than that of the second slag line prefabricated brick.

Furthermore, the upper part of one side of the opening brick close to the inner wall of the steel ladle shell is in a wedge shape.

Further, the width of the opening covering brick is larger than that of the second slag line prefabricated brick.

And further, a cavity between the second slag line layer and the ladle opening brick and the ladle shell is filled with refractory castable.

Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:

1. through this compound refining ladle, can promote the life of ladle.

2. Through setting up thicker second slag line layer to the pull resistance of cooperation pressure iron plate and the crushing resistance of pouring material use, reduce the not hard up of slag line brick, promote ladle result of use.

3. The erosion of molten steel to gaps can be reduced by arranging the slag line bricks and the ladle opening bricks with different widths.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of fig. 1 from another view angle.

In the figure: 1-steel cladding; 2-wall covering permanent layer; 3-a wall-wrapping working layer; 4-a first slag line layer; 5-a second slag line layer; 6-refractory castable; 7-wrapping a mouth brick; 8-pressing iron blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

as shown in fig. 1-2, the composite refining ladle comprises a ladle shell 1, a ladle wall permanent layer 2, a ladle wall working layer 3, a first slag line layer 4, a second slag line layer 5, a ladle opening brick 7 and a weight block 8; the method comprises the following steps of arranging a ladle wall permanent layer 2 on the inner wall of a ladle shell 1, arranging a ladle wall working layer 3 on the lower portion of one side, away from the steel ladle shell 1, of the ladle wall permanent layer 2, arranging a first slag line layer 4 above the ladle wall working layer 3, arranging a second slag line layer 5 above the first slag line layer 4, wherein the length of the second slag line layer 5 is greater than that of the first slag line layer 4 (the length is in the radial direction of the ladle); and a ladle opening brick 7 is arranged above the second slag line layer 5, an iron pressing block 8 is arranged on the inner layer of the top of the steel ladle shell 1, and the iron pressing block 8 is tightly propped against the upper part of the ladle opening brick 7. The first slag line layer 4 can be formed by building prefabricated blocks or pouring casting materials.

During operation, realize through pressing iron plate 8 supporting tight extrusion to ladle opening brick 7, realize providing great extrusion pressure to the extrusion of second slag line layer 5 and first slag line layer 4 that its below set up, reduce because of the ladle emptys or the slag line layer that leads to in the transportation is not hard up, and molten steel infiltration slag line in situ gap corrodes, perhaps forms the slag in ladle opening department, and influences the life of this ladle.

Example 2:

as shown in fig. 1-2, the present embodiment optimizes the ladle structure for the above-described embodiments.

The height of the permanent layer 2 of the ladle wall in the composite refining ladle is lower than the height of the second slag line layer 5. The length of second slag line layer 5 is greater than the length of first slag line layer 4 for, the one end that second slag line layer 5 is close to 1 inside wall of steel cladding stretches into the below to weight block 8, carries the extrusion effect of weight block 8 and package mouth brick 7 to the slag line brick, reduces the not hard up phenomenon of below slag line brick.

Example 3:

In the composite refining ladle, the first slag line layer 4 is formed by building first slag line precast bricks, and the second slag line layer 5 is formed by building second slag line precast bricks; the length of the first slag line prefabricated brick is less than that of the second slag line prefabricated brick. The use strength of the slag line layer can be improved by adopting a precast brick masonry mode.

Example 4:

The upper part of the side, close to the inner wall of the ladle shell 1, of the ladle opening brick 7 in the composite refining ladle is in a wedge shape. Correspondingly, the one end that presses iron plate 8 to be close to a chartered plane brick 7 also is the shape of falling wedge for the inclined plane of pressing iron plate 8 just in time offsets tightly with the inclined plane of chartered plane brick 7 and extrudees, promotes the stability of extrusion in-process.

Example 5:

In the composite refining ladle, a cavity between the second slag line layer 5 and the ladle opening brick 7 and the ladle shell 1 is filled with a refractory castable 6. The refractory castable 6 is poured above the second slag line layer 5, the slag line bricks are firmly fixed and extruded below the ladle opening bricks by utilizing the pressure resistance of the castable, and the tensile resistance provided by the weight arranged above is matched, so that the looseness of the lower slag line bricks is reduced, and the service life and the use effect of the ladle are improved.

Example 6:

The width of the ladle opening brick 7 in the composite refining ladle is larger than that of the second slag line prefabricated brick. Preferably, the width of the ladle brick 7 and the width of the second slag line prefabricated brick are in a non-integer multiple relation; after the second slag line prefabricated bricks are built for forming, gaps among the second slag line prefabricated bricks are just staggered with gaps among the ladle opening bricks 7, less molten steel enters into an erosion ladle working layer from the gaps, and the service life of the ladle is prolonged.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The composite refining ladle is characterized in that: the steel ladle comprises a steel ladle shell (1), a ladle wall permanent layer (2), a ladle wall working layer (3), a first slag line layer (4), a second slag line layer (5), a ladle opening brick (7) and an iron pressing block (8); the method is characterized in that a cladding wall permanent layer (2) is arranged on the inner wall of a steel cladding (1), a cladding wall working layer (3) is arranged on the lower portion of one side, away from the steel cladding (1), of the cladding wall permanent layer (2), a first slag line layer (4) is arranged above the cladding wall working layer (3), a second slag line layer (5) is arranged above the first slag line layer (4), and the length of the second slag line layer (5) is greater than that of the first slag line layer (4); and a taphole brick (7) is arranged above the second slag line layer (5), an iron pressing block (8) is arranged on the inner layer of the top of the steel ladle shell (1), and the iron pressing block (8) is tightly propped against the upper part of the taphole brick (7).

2. The composite refining ladle of claim 1, wherein: the height of the cladding wall permanent layer (2) is lower than the position height of the second slag line layer (5).

3. The composite refining ladle of claim 1, wherein: the first slag line layer (4) is formed by building first slag line prefabricated bricks, and the second slag line layer (5) is formed by building second slag line prefabricated bricks; the length of the first slag line prefabricated brick is less than that of the second slag line prefabricated brick.

4. The composite refining ladle of claim 1, wherein: the upper part of one side of the opening covering brick (7) close to the inner wall of the steel covering shell (1) is in a wedge shape.

5. The composite refining ladle of claim 2, wherein: and a cavity between the second slag line layer (5) and the ladle bricks (7) and the steel ladle shell (1) is filled with refractory castable (6).

6. A composite refining ladle according to claim 3, characterized in that: the width of the ladle opening brick (7) is larger than that of the second slag line prefabricated brick.