Corrugated lining refractory brick

Abstract

The utility model relates to the technical field of refractory bricks, and discloses a corrugated lining refractory brick which comprises a refractory brick body, the refractory brick body is in a cuboid shape, the front side of the refractory brick body is fixedly connected with a splicing block, the rear side of the refractory brick body is provided with a splicing groove, the right side of the refractory brick body is fixedly connected with a clamping block, and the clamping block is provided with a clamping groove. A clamping groove is formed in the left side of the refractory brick body, connecting columns are fixedly connected to the top and the bottom of the refractory brick body, and connecting grooves are formed in the top and the bottom of the refractory brick body. According to the combined refractory brick, the clamping blocks are aligned with the clamping grooves for splicing and clamping, the splicing blocks are aligned with the splicing grooves for splicing, and the connecting columns are aligned with the connecting grooves for mutual insertion and clamping, so that a plurality of refractory brick bodies can be combined and spliced, and the stability of a stacked whole is greatly improved; and the connection among a plurality of refractory brick bodies is enhanced, so that the firmness after piling is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of refractory bricks, in particular to a corrugated inner lining refractory brick. Background Art

[0002] In modern industrial production, many fields involve operations in high-temperature environments, such as the industries of iron and steel metallurgy, cement manufacturing, glass production, and chemical engineering. High-temperature equipment in these industries, such as blast furnaces, converters, kilns, and reactors, need to operate stably under extreme temperature conditions. Traditional high-temperature equipment usually adopts a metal shell, but metals are prone to softening, deformation, and even melting at high temperatures and cannot directly withstand high-temperature environments. To solve this problem, people began to use refractory bricks as the lining materials for high-temperature equipment. Early refractory bricks were mainly made of natural mineral materials, such as clay and silica. Although these refractory bricks have certain fire resistance, they often show deficiencies when facing higher temperatures and more complex working conditions. With the continuous development of industrial technology, the requirements for refractory materials are also getting higher and higher. Modern inner lining refractory bricks usually adopt synthetic materials with high refractoriness and improve the density, strength, and erosion resistance of refractory bricks by optimizing the production process.

[0003] The inner lining refractory bricks in the prior art are generally bricks with a flat surface, and a whole is formed by stacking multiple refractory bricks together. However, this stacking method makes the connection between multiple refractory bricks not tight enough, resulting in deficiencies in overall stability and strength. Therefore, the technical personnel in this field proposed a corrugated inner lining refractory brick to solve the above problems. Content of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a corrugated inner lining refractory brick, aiming to improve the problem that the inner lining refractory bricks in the prior art are generally bricks with a flat surface, and a whole is formed by stacking multiple refractory bricks together. However, this stacking method makes the connection between multiple refractory bricks not tight enough, resulting in deficiencies in overall stability and strength.

[0005] To achieve the above object, the utility model provides the following technical scheme: A corrugated inner lining refractory brick, including a refractory brick body. The shape of the refractory brick body is a cuboid. A splicing block is fixedly connected to the front side of the refractory brick body. A splicing groove is opened on the rear side of the refractory brick body. A clamping block is fixedly connected to the right side of the refractory brick body. A clamping groove is opened on the left side of the refractory brick body. Connecting columns are fixedly connected to both the top and bottom of the refractory brick body. Connecting grooves are opened on both the top and bottom of the refractory brick body. Multiple corrugated grooves are opened on both the front and rear sides of the refractory brick body. A functional layer assembly is arranged inside the refractory brick body, and the functional layer assembly is used to improve the overall properties of the refractory brick body.

[0006] Furthermore, the functional layer component includes an inner layer, which is arranged inside the refractory brick body. A sealing layer is arranged on the outer side of the inner layer, and a protective layer is arranged on the outer side of the sealing layer.

[0007] Furthermore, the inner layer is a mixed material of alumina and silicon carbide, and the sealing layer is a mixed material of graphite and ceramic fiber.

[0008] Furthermore, the protective layer is a mixed material of zircon and magnesia.

[0009] Furthermore, the outside of the splicing block is engaged inside the splicing groove, and the outside of the clamping block is engaged inside the clamping groove.

[0010] Furthermore, the outside of the connecting column is engaged inside the connecting groove.

[0011] Furthermore, the front and rear sides of the refractory brick body are arc surfaces. An arc convex block is arranged on the right side of the refractory brick body, and the clamping block is fixedly connected to the outside of the arc convex block.

[0012] Furthermore, an arc groove is formed on the left side of the refractory brick body, and the clamping groove is formed inside the arc groove.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, by aligning the clamping block with the clamping groove for splicing and engaging, aligning the splicing block with the splicing groove for splicing, and aligning the connecting column with the connecting groove and inserting and engaging them with each other, multiple refractory brick bodies can be combined and spliced, greatly improving the overall stability of the stack, and strengthening the connection between multiple refractory brick bodies, thus enhancing the firmness after stacking.

[0015] 2. In the utility model, through the inner layer inside the refractory brick body composed of alumina and silicon carbide, the overall mechanical strength is high, the refractory performance is strong, the hardness is high, the thermal conductivity is large, the thermal shock resistance is good, and it has good oxidation resistance at high temperatures. Adding graphite to fill the tiny pores of the brick body, and ceramic fiber can hinder the flow of gas and liquid, reducing the penetration channels of gas and liquid, thereby improving the sealing performance of the refractory brick. Moreover, the zircon and magnesia of the protective layer have high refractoriness and good chemical stability, and have a certain resistance to both acidic and alkaline slags. In this way, the overall excellent performance of the refractory brick body can be further improved, and the quality of the refractory brick body can be further enhanced. Description of the Drawings

[0016] Figure 1 is a three-dimensional view of a corrugated inner lining refractory brick proposed by the utility model;

[0017] Figure 2The bottom view of a corrugated inner lining refractory brick proposed by the present utility model;

[0018] Figure 3 The rear view of a corrugated inner lining refractory brick proposed by the present utility model;

[0019] Figure 4 The schematic internal structure diagram of a corrugated inner lining refractory brick proposed by the present utility model.

[0020] Legend:

[0021] 1. Refractory brick body; 2. Splicing block; 3. Splicing groove; 4. Clamping block; 5. Clamping groove; 6. Connecting column; 7. Connecting groove; 8. Corrugated groove; 9. Arc convex block; 10. Arc groove; 11. Inner layer; 12. Sealing layer; 13. Protective layer. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment 1:

[0024] Refer to Figures 1 - 3 , an embodiment provided by the present utility model: a corrugated inner lining refractory brick, including a refractory brick body 1, the shape of the refractory brick body 1 is a cuboid, a splicing block 2 is fixedly connected to the front side of the refractory brick body 1, a splicing groove 3 is opened at the rear side of the refractory brick body 1, a clamping block 4 is fixedly connected to the right side of the refractory brick body 1, a clamping groove 5 is opened at the left side of the refractory brick body 1, connecting columns 6 are fixedly connected to both the top and bottom of the refractory brick body 1, connecting grooves 7 are opened at both the top and bottom of the refractory brick body 1, a plurality of corrugated grooves 8 are opened on both the front and rear sides of the refractory brick body 1, and a functional layer assembly is arranged inside the refractory brick body 1, and the functional layer assembly is used to improve the overall properties of the refractory brick body 1. Remove the connecting column 6 at the bottom of the bottommost refractory brick body 1, then align the clamping block 4 on the right side of the refractory brick body 1 with the clamping groove 5 on the left side of another refractory brick body 1 for splicing and clamping, and align the splicing block 2 with the splicing groove 3 at the rear side of other refractory brick bodies 1 for splicing. Moreover, align the connecting column 6 at the bottom of other refractory brick bodies 1 with the connecting groove 7 and insert it. The connecting column 6 originally at the top of the refractory brick body 1 will be stuck into the connecting groove 7 at the bottom of the upper refractory brick body 1. In this way, multiple refractory brick bodies 1 can be combined and spliced, greatly improving the overall stability of the stacked structure, and strengthening the connection between multiple refractory brick bodies 1, thus enhancing the firmness after stacking.

[0025] Reference Figures 2 - 4 The functional layer component includes an inner layer 11, which is arranged inside the refractory brick body 1, a sealing layer 12 is arranged on the outside of the inner layer 11, and a protective layer 13 is arranged on the outside of the sealing layer 12. The inner layer 11 is a mixture of alumina and silicon carbide, the sealing layer 12 is a mixture of graphite and ceramic fiber, and the protective layer 13 is a mixture of zircon and magnesium oxide. The outside of the splicing block 2 is snapped into the inside of the splicing groove 3, the outside of the card block 4 is snapped into the inside of the card groove 5, and the outside of the connecting column 6 is snapped into the inside of the connecting groove 7. The inner layer 11 of the refractory brick body 1 composed of alumina and silicon carbide has high overall mechanical strength, strong refractory performance, high hardness, high thermal conductivity, and good thermal shock resistance. , has good antioxidant properties at high temperatures. Adding graphite inside the refractory brick can fill the tiny pores of the brick body. Ceramic fiber has an extremely fine fiber structure and can form an intricate network to hinder the flow of gas and liquid and reduce the penetration channels of gas and liquid. Graphite is not easy to react chemically with other substances at high temperatures and can maintain stable physical and chemical properties, thereby improving the sealing performance of the refractory brick. In addition, the zircon and magnesium oxide of the protective layer 13 have high refractoriness and good chemical stability, and have certain resistance to acidic and alkaline slags. This can further improve the overall excellent performance of the refractory brick body 1, and further improve the quality of the refractory brick body 1.

[0026] Example 2:

[0027] Reference Figures 1 - 3 The utility model provides an embodiment: a corrugated lined refractory brick, the front and rear side surfaces of the refractory brick body 1 are arc surfaces, and a arc surface protrusion 9 is provided on the right side of the refractory brick body 1. The clamping block 4 is fixedly connected to the outer side of the arc surface protrusion 9. The left side of the refractory brick body 1 is provided with an arc surface groove 10, and the clamping groove 5 is provided on the inner side of the arc surface groove 10. Through the arc surface protrusion 9 and the arc surface groove 10 and the arc surface shape of the front and rear side surfaces of the refractory brick body 1, multiple refractory brick bodies 1 can be spliced into a cylindrical shape. The corrugated groove 8 increases the surface area of the refractory brick, which can better contact with the surrounding medium during use, improve the heat transfer efficiency, and enhance the structural strength of the refractory brick. The corrugated shape enables the refractory brick to better disperse stress when subjected to pressure and impact, reducing the risk of breakage.

[0028] Working principle: First, the connecting column 6 at the bottom of the refractory brick body 1 at the bottom layer can be removed. Then, the clamping block 4 on the right side of the refractory brick body 1 can be aligned with the clamping groove 5 on the left side of another refractory brick body 1 for splicing and clamping. The splicing block 2 can be aligned with the splicing groove 3 at the rear side of other refractory brick bodies 1 for splicing. Moreover, the connecting column 6 at the bottom of other refractory brick bodies 1 can be inserted into the connecting groove 7. The connecting column 6 at the top of the original refractory brick body 1 will be stuck into the inside of the connecting groove 7 at the bottom of the upper refractory brick body 1. In this way, multiple refractory brick bodies 1 can be combined and spliced, greatly improving the overall stability of the stack, strengthening the connection between multiple refractory brick bodies 1, and enhancing the firmness after stacking. In addition, the inner layer 11 inside the refractory brick body 1 composed of alumina and silicon carbide has high overall mechanical strength, strong fire resistance, high hardness, large thermal conductivity, good thermal shock resistance, and good oxidation resistance at high temperatures. Adding graphite inside the refractory brick can fill the tiny pores of the brick body. The ceramic fiber has an extremely fine fiber structure, which can form a complex network, hinder the flow of gas and liquid, and reduce the permeation channels of gas and liquid. Graphite is not easy to chemically react with other substances at high temperatures and can maintain stable physical and chemical properties, thus improving the sealing performance of the refractory brick. Moreover, the zircon and magnesia in the protective layer 13 have high refractoriness and good chemical stability, and have a certain resistance to both acidic and alkaline slags. In this way, the overall excellent performance of the refractory brick body 1 can be further improved, and the quality of the refractory brick body 1 can be further enhanced.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A corrugated lined refractory brick, comprising a refractory brick body (1), characterized in that: The refractory brick body (1) is in the shape of a rectangular parallelepiped. A splicing block (2) is fixedly connected to the front side of the refractory brick body (1). A splicing groove (3) is provided on the rear side of the refractory brick body (1). A clamping block (4) is fixedly connected to the right side of the refractory brick body (1). A clamping groove (5) is provided on the left side of the refractory brick body (1). A connecting column (6) is fixedly connected to the top and bottom of the refractory brick body (1). The refractory brick body (1) is provided with a plurality of corrugated grooves (8) on both the front and rear sides. A functional layer component is provided inside the refractory brick body (1). The functional layer component is used to improve the overall properties of the refractory brick body (1). The functional layer component includes an inner layer (11). The inner layer (11) is provided inside the refractory brick body (1). A sealing layer (12) is provided on the outer side of the inner layer (11). A protective layer (13) is provided on the outer side of the sealing layer (12).

2. The corrugated lined refractory brick according to claim 1, characterized in that: The inner layer (11) is a mixed material of aluminum oxide and silicon carbide, and the sealing layer (12) is a mixed material of graphite and ceramic fiber.

3. The corrugated lined refractory brick according to claim 1, characterized in that: The protective layer (13) is a mixed material of zircon and magnesium oxide.

4. The corrugated lined refractory brick according to claim 1, characterized in that: The outside of the splicing block (2) is engaged with the inside of the splicing groove (3), and the outside of the clamping block (4) is engaged with the inside of the clamping groove (5).

5. The corrugated lined refractory brick according to claim 1, characterized in that: The outside of the connecting column (6) is engaged with the inside of the connecting groove (7).

6. The corrugated lined refractory brick according to claim 1, characterized in that: The front and rear side surfaces of the refractory brick body (1) are arcuate surfaces. A arcuate protrusion (9) is provided on the right side of the refractory brick body (1), and the clamping block (4) is fixedly connected to the outer side of the arcuate protrusion (9).

7. The corrugated lined refractory brick according to claim 6, characterized in that: A curved groove (10) is provided on the left side of the refractory brick body (1), and the clamping groove (5) is provided on the inner side of the curved groove (10).

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