CN214115608U - Converter mouth stove cap inside lining masonry structure - Google Patents
Converter mouth stove cap inside lining masonry structure Download PDFInfo
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- CN214115608U CN214115608U CN202023293098.4U CN202023293098U CN214115608U CN 214115608 U CN214115608 U CN 214115608U CN 202023293098 U CN202023293098 U CN 202023293098U CN 214115608 U CN214115608 U CN 214115608U
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Abstract
The utility model discloses a converter mouth and furnace cap lining masonry structure, which comprises a converter, wherein the converter comprises a furnace mouth brick layer, a furnace mouth lower transition brick layer is arranged below the furnace mouth brick layer, a furnace cap brick layer is arranged below the furnace mouth lower transition brick layer, and a furnace cap lower transition brick layer is arranged below the furnace cap brick layer; the furnace mouth brick layer comprises a plurality of furnace mouth bricks; the layer of furnace cap bricks comprises a plurality of furnace cap bricks, and the central cross section of each furnace cap brick forms a certain angle with the horizontal line. The utility model changes the expansion stress of the refractory materials at the furnace cap and the furnace mouth into the conical oblique expansion stress after being heated, so that the inner linings of the furnace cap and the refractory materials at the furnace mouth have certain integrity and stability, and the furnace mouth and the furnace cap brick with the structure are not easy to fall off; the two side surfaces of the furnace mouth brick adopt a production mode of adding metal sheets, so that the iron sheets on the two side surfaces of the furnace mouth brick are melted and bonded together in the high-temperature smelting operation, thereby effectively preventing the furnace mouth brick from falling off and solving the problems in the prior art.
Description
Technical Field
The utility model relates to a converter refractory masonry structure technical field especially relates to a converter fire door stove top inside lining masonry structure.
Background
At present, the design of brick shapes of regular wedge-shaped bricks is mostly adopted in the aspect of brick shapes of converter linings, each layer of bricks from a converter body to a converter cap and a converter mouth are adjusted and built by adopting two (small-head) brick shapes with different widths and sizes, the whole building process is convenient and simple, and the brick shapes can be easily adjusted to complete building construction work when the converter shell deforms. With the promotion of new and old kinetic energy conversion in China, steel-making facilities develop in a large-scale direction, large-scale converter steel-making facilities are continuously increased, the steel-making tonnage is continuously innovated, 80-150 tons of converter steel-making tonnage reaches 180-300 tons at present in the early century, and the large-scale converter steel-making not only saves energy and reduces consumption, but also brings low cost for the application of large-scale steel casting fittings in society. However, the wedge-shaped lining brick is used on a furnace mouth of a furnace cap of a large-scale converter through smelting operation, the phenomenon that the furnace mouth brick loosens and falls off frequently occurs, the implementation difficulty of on-site remediation of the falling brick is large, unstable and unsafe, the thermal efficiency in the smelting process is influenced, and a lot of inconvenience is brought.
SUMMERY OF THE UTILITY MODEL
In order to make up the deficiency of the prior art, the utility model provides a converter mouth furnace cap lining masonry structure, which changes the expansion stress of the furnace cap and the furnace mouth part furnace lining refractory material after being heated, changes the parallel expansion stress and the upward expansion stress of the furnace lining refractory material after being heated by the original normal wedge-shaped bricks into the oblique expansion stress of a cone, ensures that the furnace cap and the furnace mouth refractory material lining have certain integrity and stability, and the furnace mouth and the furnace cap brick of the structure are not easy to fall off; the two side surfaces of the furnace mouth brick adopt a production mode of adding metal sheets, so that the iron sheets on the two side surfaces of the furnace mouth brick are melted and bonded together in the high-temperature smelting operation, thereby effectively preventing the furnace mouth brick from falling off and solving the problems in the prior art.
The utility model discloses a realize through following technical scheme: a converter mouth and furnace cap lining masonry structure comprises a converter, wherein the converter comprises a furnace mouth brick layer, a furnace mouth lower transition brick layer is arranged below the furnace mouth brick layer, a furnace cap brick layer is arranged below the furnace mouth lower transition brick layer, and a furnace cap lower transition brick layer is arranged below the furnace cap brick layer;
the furnace mouth brick layer comprises a plurality of furnace mouth bricks;
the stove cap brick layer includes a plurality of stove cap bricks, the stove cap brick includes first stove cap brick and second stove cap brick, first stove cap brick with second stove cap brick size is different, the stove cap brick is the quadrangle brick type, the central cross section of stove cap brick and water flat line become certain angle.
Further optimally, the angle between the central cross section of the furnace cap brick and the horizontal line is 8-12 degrees.
Further optimally, two side surfaces of the furnace mouth brick are provided with metal sheets.
Preferably, the first furnace cap bricks are provided with a plurality of bricks, the second furnace cap bricks are provided with a plurality of bricks, and all the furnace cap bricks positioned on the same horizontal line are alternately arranged into circles with the same diameter and size as those of the furnace caps of the converter corresponding to the same horizontal line.
Further optimally, the upper surface of the furnace mouth brick is horizontal, the lower surface of the furnace mouth brick is consistent with the inclination angle of the furnace cap brick, and the central cross section of the furnace mouth brick is vertical to the inner wall of the furnace mouth.
Further optimally, the lower transition layer of the furnace mouth is provided with 1-3 layers.
Further optimally, 3-6 layers of transition bricks are arranged below the furnace cap
The utility model has the advantages that:
firstly, the method comprises the following steps: the utility model adopts the frustum-shaped furnace mouth brick and the quadrangular furnace mouth brick, so that the expansion stress of the furnace cap and the furnace lining refractory material at the furnace mouth part can be changed after being heated, and the parallel expansion stress and the upward expansion stress of the refractory material of the inner lining after being heated by the original right wedge-shaped brick are changed into the oblique expansion stress of a cone shape, so that the inner linings of the furnace cap and the furnace mouth refractory material have certain integrity and stability, and the furnace mouth and the furnace cap brick with the structure are not easy to fall off;
II, secondly: the utility model discloses add the metal skin in the side of fire door brick, fire door brick both sides face adopts the production mode that increases the metal skin, makes the fire door brick produce glutinous even emergence that has prevented the fire door brick accident of droing in the metal skin melting in the high temperature use, is suitable for extensive popularization and application.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the furnace mouth brick of the utility model.
Fig. 3 is a schematic structural view of the furnace cap brick of the present invention.
In the figure, 1, a converter; 2. a layer of furnace mouth bricks; 21. a furnace mouth brick; 3. a transition brick layer below the furnace mouth; 4. a furnace cap brick layer; 5. a transition brick layer under the furnace cap; 6. a metal skin.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in fig. 1-3, the present embodiment discloses a lining masonry structure for a converter mouth and a converter cap of a converter, which includes a converter 1, wherein the converter includes a converter mouth brick layer 2, a converter mouth lower transition brick layer 3 is arranged below the converter mouth brick layer 2, a converter cap brick layer 4 is arranged below the converter mouth lower transition brick layer 3, and a converter cap lower transition brick layer 5 is arranged below the converter cap brick layer 4;
the furnace mouth brick layer 2 comprises a plurality of furnace mouth bricks 21;
the stove cap brick layer 4 includes a plurality of stove cap bricks, the stove cap brick includes first stove cap brick and second stove cap brick, first stove cap brick with second stove cap brick size is different, the stove cap brick is the quadrangle brick type, the central cross section of stove cap brick and water flat line become certain angle.
The furnace cap brick shapes are two quadrilateral brick shapes with brick shape central cross sections forming a certain angle with a horizontal line, wherein the brick shapes have the same big head size and the same small head size or completely different big head size, and the side view of the brick shapes is trapezoidal.
As a preferred embodiment, the angle between the central cross section of the furnace cap brick and the horizontal line is 8-12 degrees.
In a preferred embodiment, the two side surfaces of the furnace mouth brick are provided with metal sheets 6, and the metal sheets are placed into the side surfaces when the furnace mouth brick is formed, so that the metal sheets are firmly embedded into the two side surfaces of the furnace mouth brick.
In a preferred embodiment, the first crown brick is provided in plurality, the second crown brick is provided in plurality, and all the crown bricks located on the same horizontal line are alternately arranged in a circle having a diameter of the same size as that of the converter crown corresponding to the same horizontal line.
In a preferred embodiment, the upper surface of the furnace mouth brick 21 is horizontal, the lower surface of the furnace mouth brick 21 is consistent with the inclination angle of the furnace cap brick, and the central cross section of the furnace mouth brick is vertical to the inner wall of the furnace mouth.
In a preferred embodiment, the lower transition layer 3 of the furnace mouth is provided with 1-3 layers.
In a preferred embodiment, the lower transition brick layer 4 of the furnace cap is provided with 3-6 layers.
The working principle of the utility model is as follows:
the furnace mouth brick layer and the furnace cap brick layer of the utility model can change the expansion stress of the furnace cap and the furnace lining refractory material at the furnace mouth after being heated, and change the parallel expansion stress and the upward expansion stress of the refractory material of the lining after being heated from the original normal wedge-shaped brick into the oblique expansion stress of a cone shape, so that the furnace cap and the lining of the refractory material of the furnace mouth have certain integrity and stability, and the furnace mouth and the furnace cap brick with the structure are not easy to fall off; the two side surfaces of the furnace mouth brick adopt a production mode of adding metal sheets, so that the iron sheets on the two side surfaces of the furnace mouth brick are melted and bonded together in the high-temperature smelting operation, thereby effectively preventing the furnace mouth brick from falling off.
The parts of the present invention not described in detail are the known techniques of those skilled in the art. Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides a converter mouth furnace cap inside lining masonry structure, includes the converter, its characterized in that: the converter comprises a converter mouth brick layer, a converter mouth lower transition brick layer is arranged below the converter mouth brick layer, a converter cap brick layer is arranged below the converter mouth lower transition brick layer, and a converter cap lower transition brick layer is arranged below the converter cap brick layer;
the furnace mouth brick layer comprises a plurality of furnace mouth bricks;
the stove cap brick layer includes a plurality of stove cap bricks, the stove cap brick includes first stove cap brick and second stove cap brick, first stove cap brick with second stove cap brick size is different, the stove cap brick is the quadrangle brick type, the central cross section of stove cap brick and water flat line become certain angle.
2. The converter mouth and cap lining masonry structure according to claim 1, characterized in that: the angle between the central cross section of the furnace cap brick and the horizontal line is 8-12 degrees.
3. The converter mouth and cap lining masonry structure according to claim 1, characterized in that: and metal skins are arranged on two side surfaces of the furnace mouth brick.
4. The converter mouth and cap lining masonry structure according to claim 1, characterized in that: the first furnace cap bricks are provided with a plurality of bricks, the second furnace cap bricks are provided with a plurality of bricks, and all furnace cap bricks positioned on the same horizontal line are alternately arranged into circles with the same diameter and size as those of the furnace caps of the converter corresponding to the same horizontal line.
5. The converter mouth and cap lining masonry structure according to claim 1, characterized in that: the upper surface of the furnace mouth brick is horizontal, the lower surface of the furnace mouth brick is consistent with the inclination angle of the furnace cap brick, and the central cross section of the furnace mouth brick is vertical to the inner wall of the furnace mouth.
6. The converter mouth and cap lining masonry structure according to claim 1, characterized in that: the lower transition layer of the furnace mouth is provided with 1-3 layers.
7. The converter mouth and cap lining masonry structure according to claim 1, characterized in that: and 3-6 layers of transition bricks are arranged under the furnace cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023293098.4U CN214115608U (en) | 2020-12-31 | 2020-12-31 | Converter mouth stove cap inside lining masonry structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023293098.4U CN214115608U (en) | 2020-12-31 | 2020-12-31 | Converter mouth stove cap inside lining masonry structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214115608U true CN214115608U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023293098.4U Active CN214115608U (en) | 2020-12-31 | 2020-12-31 | Converter mouth stove cap inside lining masonry structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214115608U (en) |
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2020
- 2020-12-31 CN CN202023293098.4U patent/CN214115608U/en active Active
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