Molten iron tank masonry structure

Abstract

The utility model relates to the technical field of ferrous metallurgy, in particular to a hot-metal ladle masonry structure which comprises a ladle body and further comprises a base arranged on the inner wall of the ladle body, a working layer is arranged on the top of the base, a slope is arranged on the inner wall of the base, refractory bricks are arranged on the inner wall of the ladle body, a permanent layer is arranged on the inner wall of the ladle body, and the permanent layer is arranged on the inner wall of the ladle body. A filling layer is arranged between the permanent layer and the base; according to the utility model, the wedge-shaped bricks surround the ladle bottom, one surface of each wedge-shaped brick is an inclined surface, then the ladle bottom and the ladle wall are built, the ladle bottom bricks and the ladle wall bricks are connected through the wedge-shaped bricks, no brick joint exists between the ladle bottom and the ladle wall, and when molten iron is poured out of the torpedo ladle, the molten iron is in direct contact with the inclined surface, so that a part of molten iron impact force can be absorbed, and the scouring of the molten iron to the ladle body is reduced; and meanwhile, the safety risk can be reduced, and the labor intensity of personnel is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steel metallurgy, specifically is a ladle masonry structure. BACKGROUND

[0002] In the field of steel metallurgy, the ladle is a traditional molten metal holding and transporting equipment, which has the characteristics of regular shape, simple structure, convenient maintenance and bricklaying. Because the ladle is lined with refractory bricks, it has good heat preservation performance and is widely used in long process metallurgical industry. In the process of converter steelmaking, in order to ensure the normal supply of molten iron and the production rhythm, the ladle is placed in the ladle pit through the molten iron transport flat car to pour molten iron from the torpedo tube. During the pouring of molten iron, the refractory bricks of the ladle are easily eroded in a concentrated manner when the pouring speed is fast and the molten iron flow is large, especially at the joint between the ladle wall and the ladle bottom, which eventually leads to the early maintenance of the ladle, resulting in waste of refractory materials and time. Therefore, it is very important to increase the service life of the ladle. SUMMARY

[0003] The purpose of the utility model is to provide a ladle masonry structure to solve the problems raised in the background art.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a ladle masonry structure, comprising a ladle body, further comprising:

[0005] The base is arranged on the inner wall of the ladle body, the top of the base is provided with a working layer, the inner wall of the base is provided with a slope, the inner wall of the ladle body is provided with a refractory brick, and the inner wall of the ladle body is provided with a permanent layer, and the permanent layer and the base are provided with a filling layer.

[0006] Preferably, the material of the ladle body is steel, and the base is wedge-shaped brick masonry, and the shape of the base is annular.

[0007] Preferably, the shape of the working layer is annular, and the height of the working layer is greater than the sum of the height of the refractory brick and the height of the base.

[0008] Preferably, the slope is wedge-shaped brick masonry, and the angle between the slope and the base is greater than forty-five degrees and less than ninety degrees.

[0009] Preferably, the height of the refractory brick protrudes from the peripheral area of the base by twenty to thirty millimeters.

[0010] Preferably, the filling method of the filling layer is to fill the gap between the working layer and the permanent layer every time a layer of the ladle body is laid.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] The utility model discloses a kind of bricklaying structures of hot-metal ladle, including tank body, by setting tank body, it can be convenient to support main body, the inner wall of tank body 1 is provided with base 2, by setting base 2, it can be convenient that when pouring molten iron, refractory brick 5 has enough scouring resistance, the top of base 2 is provided with working layer 3, by setting working layer 3, it can be convenient to build hot-metal ladle, the inner wall of base 2 is provided with slope 4, by setting slope 4, it can be convenient that when pouring molten iron, refractory brick 5 has enough scouring resistance, the inner wall of tank body 1 is provided with refractory brick 5, by setting refractory brick 5, it can be convenient to reduce the scouring of molten iron to tank body 1, improve the service life of hot-metal ladle, the inner wall of tank body 1 is provided with permanent layer 6, by setting permanent layer 6, it can be convenient to protect tank body 1 inner wall, permanent layer 6 and base 2 between are provided with filling layer 7, by setting filling layer 7, it can be convenient to fill the gap between working layer 3 and permanent layer 6. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The structure schematic diagram of a preferred embodiment of the hot-metal ladle bricklaying structure provided by the utility model is shown;

[0014] Figure 2 The tank body structure schematic diagram provided by the utility model is shown;

[0015] Figure 3 The base structure schematic diagram provided by the utility model is shown;

[0016] Figure 4 For Figure 2 The enlarged structure schematic diagram of place A shown in the figure.

[0017] In the figure: 1, tank body;2, base;3, working layer;4, slope;5, refractory brick;6, permanent layer;7, filling layer. DETAILED DESCRIPTION

[0018] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific implementation, structure, features and effects according to the utility model are described in detail as follows by combining with the preferred embodiments and drawings.

[0019] Please refer to Figures 1-4 A kind of hot-metal ladle bricklaying structure, including tank body 1, by setting tank body 1, it can be convenient to support main body, the inner wall of tank body 1 is provided with base 2, by setting base 2, it can be convenient that when pouring molten iron, refractory brick 5 has enough scouring resistance, the top of base 2 is provided with working layer 3, by setting working layer 3, it can be convenient to build hot-metal ladle, the inner wall of base 2 is provided with slope 4, by setting slope 4, it can be convenient that when pouring molten iron, refractory brick 5 has enough scouring resistance, the inner wall of tank body 1 is provided with refractory brick 5, by setting refractory brick 5, it can be convenient to reduce the scouring of molten iron to tank body 1, improve the service life of hot-metal ladle, the inner wall of tank body 1 is provided with permanent layer 6, by setting permanent layer 6, it can be convenient to protect tank body 1 inner wall, permanent layer 6 and base 2 between are provided with filling layer 7, by setting filling layer 7, it can be convenient to fill the gap between working layer 3 and permanent layer 6.

[0020] The material of the tank body 1 is steel material, which improves the strength of the main body, the base 2 is built by wedge-shaped bricks, and the shape of the base 2 is annular, which can facilitate the placement of molten iron and the protection of the inner wall of the tank body 1; the shape of the working layer 3 is annular, and the height of the working layer 3 is greater than the sum of the height of the refractory brick 5 and the height of the base 2; the slope 4 is built by wedge-shaped bricks, and the angle between the slope 4 and the base 2 is greater than forty-five degrees and less than ninety degrees, which improves the erosion resistance of the refractory brick 5.

[0021] The height of the refractory brick 5 is twenty to thirty millimeters higher than the surrounding area of the base 2, so as to improve the erosion resistance of the structure; the filling method of the filling layer 7 is to fill the gap between the working layer 3 and the permanent layer 6 after each layer of the tank body 1 is built, which improves the pouring quality of the molten iron tank.

[0022] Working principle: in use, first, the permanent layer 6 of the molten iron tank is built according to the existing permanent layer building process of the molten iron tank, and the permanent layer 6 is baked, and then the working layer 3 of the molten iron tank is built, when building the working layer 3, first, the base 2 is built around the tank bottom and tank wall weld joint using wedge-shaped bricks, and then the tank bottom and tank wall are built using rectangular bricks, when building the tank wall, the length, width and thickness of the refractory bricks 5 of each layer of the tank body 1 are consistent, and the building is from bottom to top, when building the tank bottom, since the tank bottom of the molten iron tank is circular, the refractory bricks are built by embedding, and the building is from the wedge-shaped brick to the center of the tank bottom, and the length of the refractory bricks 5 in the center area of the tank bottom is twenty to thirty millimeters higher than the surrounding base 2, so as to improve the erosion resistance of the structure.

[0023] The above is only a preferred embodiment of the present application, and does not limit the present application in any form, although the present application has been disclosed as above with a preferred embodiment, however, it is not intended to limit the present application, any person skilled in the art, without departing from the technical solution of the present application, can make some changes or modifications to the above disclosed technical content to make equivalent embodiments, but as long as it does not deviate from the technical solution of the present application, any modification, equivalent change and modification of the above embodiments according to the technical essence of the present application, all still belong to the scope of the technical solution of the present application.

Claims

1. A ladle construction for building a ladle body (1), characterized in that Also include: The base (2) is arranged in the inner wall of the tank body (1), the top of the base (2) is provided with working layer (3), the inner wall of the base (2) is provided with slope (4), the inner wall of the tank body (1) is provided with refractory brick (5), the inner wall of the tank body (1) is provided with permanent layer (6), the permanent layer (6) and the base (2) between the filling layer (7) are provided.

2. A ladle construction according to claim 1, characterised in that: The material of the tank body (1) is steel, the base (2) is wedge-shaped brick masonry, and the shape of the base (2) is annular.

3. A ladle construction according to claim 1, characterised in that: The shape of the working layer (3) is annular, and the height of the working layer (3) is greater than the sum of the height of the refractory brick (5) and the height of the base (2).

4. A ladle construction according to claim 1, characterised in that: The slope (4) is wedge-shaped brick masonry, and the angle between the slope (4) and the base (2) is greater than forty-five degrees and less than ninety degrees.

5. A ladle construction according to claim 1, characterized in that: The height of the refractory brick (5) is twenty to thirty millimeters higher than the peripheral area of the base (2).

6. A ladle construction according to claim 1, characterized in that: The filling mode of the filling layer (7) is to fill the gap between the working layer (3) and the permanent layer (6) after every layer of the tank body (1) is masonry.

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