CN219837169U - Ladle bottom and refractory brick laying structure thereof - Google Patents

Ladle bottom and refractory brick laying structure thereof Download PDF

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Publication number
CN219837169U
CN219837169U CN202321223827.XU CN202321223827U CN219837169U CN 219837169 U CN219837169 U CN 219837169U CN 202321223827 U CN202321223827 U CN 202321223827U CN 219837169 U CN219837169 U CN 219837169U
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China
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ring
brick
ladle
wall
concave
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Chinese (zh)
Inventor
郭晓伟
辛桂艳
王军
刘斌
雷其针
吴艳霞
李�杰
吴越明
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Sinosteel Luonai Technology Co ltd
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Sinosteel Luonai Technology Co ltd
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Abstract

The utility model relates to a ladle bottom and a refractory brick laying structure thereof in the technical field of ladle, which comprises a ladle bottom center brick with a cylindrical structure, wherein a bottom brick ring is built on the outer side of the ladle bottom center brick in a ring-by-ring manner, an edge brick ring is built on the outermost bottom brick ring, and an upper extension part is arranged on the outer ring part of the edge brick ring; the top surface of the upper extension part is connected with a ring from bottom to top, and a wall brick ring is built; the bottom-covered central brick is in plug-in fit with the innermost bottom brick ring, the adjacent bottom brick rings, the outermost bottom brick ring and the edge brick ring, the upper extension part and the lowermost wall-covered brick ring and the adjacent wall-covered brick rings. According to the utility model, the brick rings of the ladle wall surface are mutually restricted in the radial direction of the ladle in a plug-in matching mode, so that the strength of the ladle wall surface is effectively increased.

Description

Ladle bottom and refractory brick laying structure thereof
Technical Field
The utility model relates to the technical field of ladle, in particular to a ladle bottom and a refractory brick laying structure thereof.
Background
The existing ladle generally comprises a steel shell, a fiber cotton layer, a castable layer and a refractory brick layer from outside to inside, wherein the steel shell is 20mm in thickness, the fiber cotton layer is 30mm in thickness, the castable layer is 30mm in thickness and the refractory brick layer is 70mm in thickness.
The existing refractory brick layer is generally built by refractory bricks in a cross manner, as shown in fig. 1, or in a collar manner, as shown in fig. 2-3, wherein the thickness of the refractory bricks in the building manner is not less than 70mm, and the thickness of the castable is not less than 30mm to ensure the strength of the ladle, so that the wall thickness of the ladle is thicker, the ladle capacity is influenced, and the ladle weight is increased.
Therefore, we provide a ladle bottom and a refractory brick laying structure thereof.
Disclosure of Invention
The utility model aims to solve the problems and provide a ladle bottom and a refractory brick laying structure thereof.
The utility model realizes the above purpose through the following technical scheme:
ladle bottom and resistant firebrick laying structure thereof includes:
the bottom-covered center brick is of a cylindrical structure;
the bottom brick rings are laid on the periphery of the bottom brick center in a ring-by-ring manner;
the edge brick ring is built on the periphery side of the bottom brick ring of the outermost ring, and the outer ring part is provided with an upper extension part;
the wall brick wrapping ring is built on the top surface of the upper extension part from the lower ring to the upper ring;
the ladle bottom center brick is in plug-in fit with the innermost bottom brick ring, the adjacent bottom brick rings and the outermost bottom brick ring and the edge brick ring so as to be mutually restricted along the ladle axial direction; the upper extension part is in plug-in fit with the lowest wall brick ring and the adjacent wall brick rings so as to be mutually restricted along the ladle radial direction.
Preferably, the middle part of the outer ring surface of the bottom-covered central brick and the middle part of the outer ring surface of the bottom brick ring of each ring are respectively provided with a convex ring or a concave ring; a concave ring or a convex ring is arranged in the middle of the inner annular surface of the bottom brick ring of each ring; the middle part of the inner ring surface of the edge brick ring is provided with a concave ring or a convex ring.
Preferably, the bottom brick ring comprises a plurality of bottom bricks with the same structure, one end face of the bottom brick is provided with a flange, and the middle part of the other end face is provided with a concave edge; the radial masonry surfaces in adjacent bottom brick rings are staggered.
Preferably, the middle part of the upper ring surface of the upper extension part and the middle part of the upper ring surface of the wall brick wrapping ring of each ring are respectively provided with a convex ring or a concave ring, and the middle part of the lower ring surface of the wall brick wrapping ring of each ring is provided with a concave ring or a convex ring.
Preferably, the wall covering brick ring comprises a plurality of wall covering bricks with the same structure, one end face of each wall covering brick is provided with a flange, and the middle part of the other end face is provided with a concave edge; the adjacent wall brick rings are staggered on the axial masonry surface.
Preferably, the middle part of one side surface of the wall covering brick is provided with a flange, and the other side surface is provided with a concave edge.
Preferably, the edge brick ring comprises a first brick ring and a second brick ring, and the inner surface of the first brick ring is in plug-in fit with the outer surface of the outermost bottom brick ring so as to be convenient for mutual restriction along the ladle axial direction; the upper section of the outer ring surface of the first brick ring is provided with an annular gap, the inner ring surface of the second brick ring is provided with an annular bulge matched with the annular gap, and the outer ring part of the second brick ring is provided with an upper extension part.
Preferably, the first brick ring comprises a plurality of first bricks with the same structure, one end face of each first brick is provided with a concave edge or a flange, and the upper section of the other end face is provided with a horizontal notch;
the second brick ring comprises a plurality of second bricks with the same structure, the upper section of the inner end face of the second brick is provided with a bulge matched with the notch, and the top face of the second brick ring is provided with a flange or a concave edge.
Preferably, the cross sections of the concave ring and the convex ring are semicircular, and the radius of the concave ring is larger than that of the convex ring, so that the convex ring is conveniently inserted into the concave ring.
The ladle bottom comprises a steel shell, a nano plate, a casting layer and a refractory brick laying structure which are sequentially arranged from outside to inside.
The beneficial effects are that:
1. the brick rings on the bottom surface of the ladle are mutually restricted in the axial direction of the ladle in a plug-in matching mode, so that the strength of the bottom surface of the ladle is effectively improved; or under the condition that the strength of the ladle bottom surface is almost the same as that of the existing ladle bottom surface, the thickness of the ladle bottom surface can be reduced, and the weight of the ladle is further reduced;
2. the brick rings of the ladle wall are mutually restricted in the radial direction of the ladle in a plug-in matching mode, so that the strength of the ladle wall is effectively improved; or under the condition that the strength of the ladle wall surface is almost the same as that of the existing ladle wall surface, the thickness of the ladle wall surface can be reduced, so that the weight of the ladle is reduced, the inner radius of the ladle is increased, and the ladle capacity is increased;
3. because the four sides of the ladle wall bricks are provided with flanges or flanges, adjacent ladle wall bricks are mutually restricted, and the strength of the ladle wall surface is effectively improved; or under the condition that the strength of the ladle wall surface is almost the same as that of the existing ladle wall surface, the thickness of the ladle wall surface can be reduced, the weight of the ladle is further reduced, the inner radius of the ladle is increased, and the ladle capacity is further increased.
Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
FIG. 1 is a schematic diagram of a prior art refractory brick laying structure;
FIG. 2 is a schematic view of another prior art refractory brick laying structure;
FIG. 3 is a schematic cross-sectional view of a prior art refractory brick laying structure;
FIG. 4 is a schematic illustration of the ladle bottom structure of the present utility model;
FIG. 5 is a schematic structural view of a ladle bottom refractory brick laying structure in the present utility model.
The reference numerals are explained as follows:
100. a steel shell; 200. a nano-plate; 300. casting a layer; 400. a refractory brick laying structure; 1. a bottom-covered center brick; 2. a bottom tile ring; 21. a bottom brick; 3. an edge brick ring; 31. an upper extension; 32. a first brick ring; 321. a first brick; 33. a second brick ring; 331. a second brick; 4. a wall brick ring; 41. and wall bricks are covered.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
As shown in fig. 4, a ladle bottom comprises a refractory brick laying structure 400, wherein a casting layer 300 is arranged on the inner side surface of the refractory brick laying structure 400, a nano plate 200 is laid between the refractory brick laying structure 400 and the casting layer 300, and a steel plate 100 is coated on the outer side of the refractory brick laying structure 400; the ladle bottom is understood to be the structure of the ladle bottom surface and the lower section side surface.
In the first embodiment, as shown in fig. 4-5, a refractory brick laying structure 400 comprises a bottom-covered central brick 1 with a cylindrical structure, bottom brick rings 2 are built on the outer sides of the bottom-covered central bricks 1 in a ring-by-ring manner, edge brick rings 3 are built on the outermost bottom brick rings 2, and an upper extension part 31 is arranged on the outer ring part of the edge brick rings 3; the top surface of the upper extension part 31 is connected with a ring from bottom to top, and a wall brick ring 4 is built;
the ladle bottom center brick 1 is in plug-in fit with the innermost bottom brick ring 2, the adjacent bottom brick rings 2 and the outermost bottom brick ring 2 and the edge brick ring 3 so as to be mutually restricted along the ladle axial direction; the upper extension part 31 is in plug-in fit with the lowest wall brick ring 4 and the adjacent wall brick rings 4 so as to be mutually restricted along the ladle radial direction.
That is, the center brick 1 is in plug-in fit with the innermost bottom brick ring 2, the adjacent bottom brick rings 2, the outermost bottom brick ring 2 and the edge brick ring 3 along the ladle radial direction, and the upper extension part 31 is in plug-in fit with the lowermost ladle wall brick ring 4 and the adjacent ladle wall brick rings 4 along the ladle axial direction.
Further, the middle part of the outer ring surface of the bottom-covered central brick 1 and the middle part of the outer ring surface of the bottom brick ring 2 of each ring are respectively provided with a convex ring or a concave ring; the middle part of the inner ring surface of the bottom brick ring 2 of each ring is provided with a concave ring or a convex ring; the middle part of the inner ring surface of the edge brick ring 3 is provided with a concave ring or a convex ring.
In the embodiment, the bottom-covered center brick 1 has a larger volume and can be formed by splicing two semi-cylindrical refractory bricks; for convenient manufacture, preferably, the middle part of the arc-shaped surface of each semi-cylindrical refractory brick is provided with a semi-convex ring, so that the middle part of the outer ring surface of the bottom-covered center brick 1 is provided with a convex ring;
that is, the middle part of the outer ring surface of the bottom-covered center brick 1 and the middle part of the outer ring surface of the bottom brick ring 2 of each ring are provided with convex rings; the middle part of the inner ring surface of the bottom brick ring 2 of each ring is provided with a concave ring; the middle part of the inner ring surface of the edge brick ring 3 is provided with a concave ring.
Further, in order to reduce the manufacturing of grinding tools, the bottom brick ring 2 comprises a plurality of bottom bricks 21 with the same structure, one end face of each bottom brick 21 is provided with a flange, and the middle part of the other end face is provided with a concave edge; the radial masonry surfaces in the adjacent bottom brick rings 2 are staggered.
Further, the middle part of the upper ring surface of the upper extension part 31 and the middle part of the upper ring surface of the wall brick wrapping ring 4 of each ring are respectively provided with a convex ring or a concave ring, and the middle part of the lower ring surface of the wall brick wrapping ring 4 of each ring is provided with a concave ring or a convex ring.
In this embodiment, in order to prevent impurities from falling into the concave ring when the wall is built, convex rings are respectively arranged in the middle of the upper ring surface of the upper extension part 31 and in the middle of the upper ring surface of the wall-covering brick ring 4 of each ring, and concave rings are arranged in the middle of the lower ring surface of the wall-covering brick ring 4 of each ring.
Further, in order to reduce the manufacturing of the grinding tool, the wall covering brick ring 4 comprises a plurality of wall covering bricks 41 with the same structure, one end face of the wall covering brick 41 is provided with a flange, and the middle part of the other end face is provided with a concave edge; the adjacent wall brick rings 4 are arranged in staggered manner on the axial masonry surface.
The brick rings on the bottom surface of the ladle are mutually restricted in the axial direction of the ladle in a plug-in matching mode, so that the strength of the bottom surface of the ladle is effectively improved; or under the condition that the strength of the ladle bottom surface is almost the same as that of the existing ladle bottom surface, the thickness of the ladle bottom surface can be reduced, and the weight of the ladle is further reduced;
the brick rings of the ladle wall are mutually restricted in the radial direction of the ladle in a plug-in matching mode, so that the strength of the ladle wall is effectively improved; or under the condition that the strength of the ladle wall surface is almost the same as that of the existing ladle wall surface, the thickness of the ladle wall surface can be reduced, the weight of the ladle is further reduced, the inner radius of the ladle is increased, and the ladle capacity is further increased.
In some embodiments, as shown in fig. 4, in order to increase the strength of the cooperation between two adjacent wall bricks 41 in the same wall brick ring 4, and further increase the strength of the wall brick ring 4, a flange is provided at the middle of one side surface of the wall brick 41, and a concave edge is provided at the other side surface.
The four side surfaces of the ladle wall bricks 41 are provided with flanges or flanges, so that adjacent ladle wall bricks 41 are mutually restricted, and the strength of the ladle wall surface is effectively improved; or under the condition that the strength of the ladle wall surface is almost the same as that of the existing ladle wall surface, the thickness of the ladle wall surface can be reduced, the weight of the ladle is further reduced, the inner radius of the ladle is increased, and the ladle capacity is further increased.
In the second embodiment, as shown in fig. 5, in order to construct the edge brick ring 3 conveniently, the edge brick ring 3 includes a first brick ring 32 and a second brick ring 33, and the inner ring surface of the first brick ring 32 is in plug-in fit with the outer ring surface of the outermost bottom brick ring 2 so as to facilitate mutual restriction along the ladle axial direction between the two; the upper section of the outer ring surface of the first brick ring 32 is provided with an annular gap, the inner ring surface of the second brick ring 33 is provided with an annular bulge matched with the annular gap, and the outer ring part of the second brick ring 33 is provided with an upper extension part 31.
Further, the first brick ring 32 includes a plurality of first bricks 321 with the same structure, one end surface of the first brick 321 is provided with a concave edge or a flange, and the upper section of the other end surface is provided with a horizontal notch;
the second brick ring 33 comprises a plurality of second bricks 331 with the same structure, the upper section of the inner end surface of the second brick 331 is provided with a bulge matched with the notch, and the top surface is provided with a flange or a concave edge.
In this embodiment, the top surface of the second brick 331 is provided with a flange.
In the third embodiment, as shown in fig. 4-5, to facilitate the cooperation between adjacent bricks, the cross sections of the concave ring and the convex ring are semicircular, and the radius of the concave ring is larger than that of the convex ring, so that the convex ring is inserted into the concave ring.
In a specific example, the refractory brick laying structure 400 is built by adopting refractory bricks with the thickness of 60mm, wherein the casting layer 300 is cast by adopting a casting material with heat preservation, the thickness of the nano-plate 200 is 20mm, and the steel shell 100 is manufactured by adopting steel plate welding after 20 mm.
Compared with the ladle thickness of the comparative example, the ladle structure thickness is reduced by 30mm, the ladle structure is same in holding time, the ladle outer wall temperature is measured after the ladle structure is filled with aluminum liquid at 900 ℃, the ladle structure outer wall temperature is detected to be 105-110 ℃, the ladle outer wall temperature of the comparative example I is 200-206 ℃, and compared with the ladle structure, the ladle structure is smaller in thickness and larger in volume and has a better heat preservation effect.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.

Claims (10)

1. A ladle bottom refractory brick laying structure, comprising:
the bottom-covered center brick (1) is of a cylindrical structure;
the bottom face brick rings (2) are laid on the periphery of the bottom-covered center brick (1) in a ring-by-ring manner;
the edge brick ring (3) is built on the periphery of the bottom brick ring (2) of the outermost ring, and the outer ring part is provided with an upper extension part (31);
the wall brick wrapping ring (4) is built on the top surface of the upper extension part (31) from the lower ring to the upper ring;
the ladle bottom center bricks (1) are in plug-in fit with the innermost bottom brick rings (2), the adjacent bottom brick rings (2) and the outermost bottom brick rings (2) and the edge brick rings (3), so that the ladle bottom center bricks and the adjacent bottom brick rings are mutually restrained along the ladle axial direction; the upper extension part (31) is in plug-in fit with the lowest wall brick ring (4) and the adjacent wall brick rings (4) so as to be mutually restricted along the ladle radial direction.
2. The ladle bottom refractory brick laying structure according to claim 1, wherein: the middle part of the outer ring surface of the bottom-covered central brick (1) and the middle part of the outer ring surface of the bottom brick ring (2) of each ring are respectively provided with a convex ring or a concave ring; the middle part of the inner ring surface of the bottom brick ring (2) of each ring is provided with a concave ring or a convex ring; the middle part of the inner ring surface of the edge brick ring (3) is provided with a concave ring or a convex ring.
3. The ladle bottom refractory brick laying structure according to claim 1, wherein: the bottom brick ring (2) comprises a plurality of bottom bricks (21) with the same structure, one end face of each bottom brick (21) is provided with a flange, and the middle part of the other end face is provided with a concave edge; the radial masonry surfaces of the adjacent bottom brick rings (2) are staggered.
4. The ladle bottom refractory brick laying structure according to claim 1, wherein: the middle part of the upper ring surface of the upper extension part (31) and the middle part of the upper ring surface of the wall brick wrapping ring (4) of each ring are respectively provided with a convex ring or a concave ring, and the middle part of the lower ring surface of the wall brick wrapping ring (4) of each ring is provided with a concave ring or a convex ring.
5. The ladle bottom refractory brick laying structure according to claim 1, wherein: the wall covering brick ring (4) comprises a plurality of wall covering bricks (41) with the same structure, one end face of each wall covering brick (41) is provided with a flange, and the middle part of the other end face is provided with a concave edge; the adjacent wall-covering brick rings (4) are staggered on the axial masonry surface.
6. The ladle bottom refractory brick laying structure according to claim 5, wherein: the middle part of one side surface of the wall covering brick (41) is provided with a flange, and the other side surface is provided with a concave edge.
7. The ladle bottom refractory brick laying structure according to claim 1, wherein: the edge brick ring (3) comprises a first brick ring (32) and a second brick ring (33), and the inner ring surface of the first brick ring (32) is in plug-in fit with the outer ring surface of the outermost bottom brick ring (2) so as to be convenient for mutual restriction along the ladle axial direction; the upper section of the outer ring surface of the first brick ring (32) is provided with an annular gap, the inner ring surface of the second brick ring (33) is provided with an annular bulge matched with the annular gap, and the outer ring part of the second brick ring (33) is provided with an upper extension part (31).
8. The ladle bottom refractory brick laying structure according to claim 7, wherein: the first brick ring (32) comprises a plurality of first bricks (321) with the same structure, one end face of each first brick (321) is provided with a concave edge or a flange, and the upper section of the other end face is provided with a horizontal notch;
the second brick ring (33) comprises a plurality of second bricks (331) with the same structure, the upper section of the inner end surface of the second bricks (331) is provided with a bulge matched with the notch, and the top surface is provided with a flange or a concave edge.
9. The ladle bottom refractory brick laying structure according to claim 2, wherein: the cross sections of the concave ring and the convex ring are semicircular, and the radius of the concave ring is larger than that of the convex ring, so that the convex ring is conveniently inserted into the concave ring.
10. A ladle bottom, characterized in that: comprising a steel shell (100), a nano-plate (200), a casting layer (300) and a refractory brick laying structure (400) according to any one of claims 1-9, which are arranged in sequence from the outside to the inside.
CN202321223827.XU 2023-05-19 2023-05-19 Ladle bottom and refractory brick laying structure thereof Active CN219837169U (en)

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Application Number Priority Date Filing Date Title
CN202321223827.XU CN219837169U (en) 2023-05-19 2023-05-19 Ladle bottom and refractory brick laying structure thereof

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Application Number Priority Date Filing Date Title
CN202321223827.XU CN219837169U (en) 2023-05-19 2023-05-19 Ladle bottom and refractory brick laying structure thereof

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CN219837169U true CN219837169U (en) 2023-10-17

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