Light refractory brick

Abstract

The utility model discloses a light refractory brick which comprises a refractory brick body, a connecting sliding block, a connecting sliding groove and a cavity. The refractory brick body is arranged, the top face and the right side of the refractory brick body are provided with at least two sets of connecting sliding blocks, the bottom face and the left side of the refractory brick body are provided with connecting sliding grooves corresponding to the connecting sliding blocks, the cavity is formed in the middle end in the refractory brick body, the lining layer, the partition plate, the heat insulation cavity, the supporting block and other assemblies are arranged in the cavity, and the lining layer is attached to the inner side of the cavity. The partition plates are arranged between the lining layers, the at least two sets of heat insulation cavities are formed between the lining layers through the partition plates, the weight of the refractory brick body is reduced, the overall strength and the fire resistance of the refractory brick body are guaranteed, the functions are diversified, and high practicability is achieved.

Description

Technical Field

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

[0002] Refractory bricks are a type of block material made of heat-resistant ceramic materials, commonly used in building kilns and various thermal equipment. They have the characteristics of not undergoing chemical changes at high temperatures and have poor thermal conductivity.

[0003] Some existing lightweight refractory bricks are reduced in weight by opening through holes at the inner ends. However, this results in a decrease in the strength and refractory properties of the refractory bricks, which reduces the effectiveness of the refractory bricks and shortens their service life, thus having certain limitations. Utility Model Content

[0004] The purpose of the present invention is to provide a lightweight refractory brick to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention adopts the following technical solution: a lightweight refractory brick, comprising a refractory brick body, wherein the top surface and right side of the refractory brick body are each provided with at least two sets of connecting sliders, the bottom surface and left side are each provided with corresponding connecting grooves, and a cavity is opened in the middle end of the refractory brick body;

[0006] The refractory brick body includes a base layer, an inner layer, a middle layer and an outer layer. The inner layer is arranged outside the base layer, the middle layer is arranged outside the inner layer, and the outer layer is arranged outside the middle layer.

[0007] Preferably, at least two groups of reinforcing ribs are provided at equal intervals in the middle of the inner layer.

[0008] Preferably, an inner lining layer is provided on the inner side of each of the cavities, and the upper and lower groups of the inner lining layers are divided into at least two groups of heat-insulating cavities by at least two groups of partition plates, and support blocks are provided at intervals in the heat-insulating cavities.

[0009] Preferably, the direction of the partition plate intersects with the direction of the connecting slider.

[0010] Preferably, the lining layer is a heat insulation layer.

[0011] Preferably, the middle layer is mesh-shaped and wrapped around the outside of the inner layer.

[0012] Preferably, the outer layer is a high temperature resistant coating.

[0013] Preferably, the installation direction of the reinforcement rib is the same as that of the connecting slider.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] By providing a refractory brick main body, the top surface and the right side of the refractory brick main body are provided with no less than two groups of connecting sliders, the bottom surface and the left side are provided with corresponding connecting slide grooves, and a cavity is provided at the inner middle end, and the cavity is provided with components such as an inner lining layer, a partition plate, an insulating cavity and a support block. The inner lining layer is attached to the inner side of the cavity, and no less than two groups of insulating cavities are provided between the inner lining layers through the partition plate. This achieves the goal of reducing the weight of the refractory brick main body and ensures the overall strength and refractory performance of the refractory brick main body. It has diverse functions and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the refractory brick body of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the cavity of the present invention.

[0019] In the figure: refractory brick body-1, connecting slider-2, connecting chute-3, cavity-4, base layer-11, inner layer-12, middle layer-13, outer layer-14, reinforcing rib-121, inner lining layer-41, partition plate-42, insulation cavity-43, support block-44. DETAILED DESCRIPTION

[0020] In order to further explain the technical solution of the present invention, specific embodiments are described in detail below.

[0021] See also Figure 1 The utility model provides a lightweight refractory brick, including a refractory brick body 1. The top surface and right side of the refractory brick body 1 are both provided with at least two groups of connecting sliders 2, and the bottom surface and left side are both provided with corresponding connecting slide grooves 3. The connecting sliders 2 can be inserted into the connecting slide grooves 3 to facilitate the installation and connection between the refractory brick bodies 1, and a cavity 4 is opened in the middle end of the refractory brick body 1.

[0022] See also Figure 2 The utility model provides a lightweight refractory brick. The refractory brick body 1 includes a base layer 11, an inner layer 12, an intermediate layer 13 and an outer layer 14. The inner layer 12 is provided on the outer side of the base layer 11. At least two groups of reinforcing ribs 121 are provided at equal intervals in the middle end of the inner layer 12. The installation direction of the reinforcing ribs 121 is the same as that of the connecting slider 2, which can strengthen the strength of the refractory brick body 1 and improve the compressive resistance. The intermediate layer 13 is provided on the outer side of the inner layer 12. The intermediate layer 13 is mesh-shaped and wrapped around the outer side of the inner layer 12, which can further improve the overall strength of the refractory brick body 1. The outer layer 14 is provided on the outer side of the intermediate layer 13. The outer layer 14 is a high-temperature resistant coating, which can ensure the high-temperature resistance of the refractory brick body 1.

[0023] Please refer to Figure 3 The utility model provides a light refractory brick, the inside of cavity 4 all is equipped with inner lining layer 41, inner lining layer 41 is the heat insulation layer made of silica base aerogel, can effectively block heat conduction, promotes the overall heat resistance of refractory brick main part 1, and the two groups of inner lining layer 41 are split into not less than two groups of heat insulation cavities 43 through not less than two groups of partition plate 42, that is, realize the weight reduction of refractory brick main part 1, can also carry out heat insulation through heat insulation cavity 43, improve the high temperature resistance, wherein, the direction of partition plate 42 is crossed with the direction of connecting sliding block 2, can guarantee the overall strength of refractory brick main part 1, and the heat insulation cavity 43 is equidistantly equipped with support block 44, and support block 44 is made of high temperature resistant clay containing alumina, can support heat insulation cavity 43, also has high temperature resistance.

[0024] The working principle is as follows:

[0025] When using, the connecting sliding block 2 on the outside of the refractory brick main part 1 and the connecting sliding groove 3 can be connected with each other to realize the connection and installation between the refractory brick main parts 1, and the inner end of the refractory brick main part 1 is provided with a cavity 4, which can reduce the weight of the refractory brick main part 1, and is conducive to the transportation and movement of the refractory brick main part 1. When high-temperature operation is carried out, the refractoriness of the refractory brick main part 1 can be improved through the cooperation of the refractory brick main part 1 and the heat insulation cavity 43.

[0026] The above is only the preferred example of the utility model and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A lightweight refractory brick, characterized by: It comprises a refractory brick body (1), wherein the top surface and right side of the refractory brick body (1) are both provided with at least two sets of connecting sliders (2), the bottom surface and left side are both provided with corresponding connecting slide grooves (3), and a cavity (4) is opened in the middle end of the refractory brick body (1); The refractory brick body (1) comprises a base layer (11), an inner layer (12), an intermediate layer (13) and an outer layer (14); the inner layer (12) is provided on the outer side of the base layer (11); the intermediate layer (13) is provided on the outer side of the inner layer (12); and the outer layer (14) is provided on the outer side of the intermediate layer (13).

2. A lightweight refractory brick according to claim 1, characterized in that: At least two groups of reinforcing ribs (121) are provided at equal intervals in the middle of the inner layer (12).

3. A lightweight refractory brick according to claim 1, characterized in that: The inner sides of the cavities (4) are each provided with an inner lining layer (41), and the upper and lower groups of the inner lining layers (41) are divided into at least two groups of heat-insulating cavities (43) by at least two groups of partition plates (42), and support blocks (44) are provided at intervals in the heat-insulating cavities (43).

4. A lightweight refractory brick according to claim 3, characterized in that: The direction of the partition plate (42) intersects with the direction of the connecting slider (2).

5. The lightweight refractory brick according to claim 3, characterized in that: The inner lining layer (41) is a heat insulation layer.

6. A lightweight refractory brick according to claim 2, characterized in that: The middle layer (13) is in a mesh shape and is wrapped around the outside of the inner layer (12).

7. The lightweight refractory brick according to claim 1, characterized in that: The outer layer (14) is a high-temperature resistant coating.

8. The lightweight refractory brick according to claim 2, characterized in that: The installation direction of the reinforcing rib (121) is the same as that of the connecting slider (2).

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