Wall combined refractory brick for tunnel kiln

By designing arc-shaped refractory bricks and adopting specific materials and structures, the difficulty of laying refractory bricks in tunnel kiln walls is solved, laying efficiency and fire resistance are improved, and fire resistance is enhanced.

CN223192073UActive Publication Date: 2025-08-05DONGTAI HONGDA REFRACTORY MATERIAL
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421709265.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-08-05
Estimated Expiration
2034-07-18

AI Technical Summary

Technical Problem

The existing rectangular refractory bricks used in tunnel kilns are not convenient for arc laying when laying, and cement is difficult to adhere, resulting in low laying efficiency.

Method used

Refractory bricks with arc-shaped convex and arc-shaped concave structures are designed, equipped with filling grooves, positioning blocks and positioning holes, and base material layers of silicate, alumina and sodium sulfate materials, high-temperature resistant layers and fire-proof layers, with ventilation holes inside.

Benefits of technology

It improves the laying efficiency of arc tunnel kilns, enhances the high temperature and fire resistance of refractory bricks, and facilitates the combination of cement filling and brick bodies to achieve rapid laying.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223192073U_ABST
    Figure CN223192073U_ABST
Patent Text Reader

Abstract

The utility model discloses a wall combined refractory brick for a tunnel kiln, and relates to the technical field of refractory bricks. The refractory brick comprises two refractory brick bodies which are the same in structure, one side of each refractory brick body is an arc-shaped convex face, the other side of each refractory brick body is an arc-shaped concave face, the arc-shaped convex faces are matched with the arc-shaped concave faces, and positioning blocks are fixedly connected to the top and the bottom of one side of each refractory brick body. Positioning holes are formed in the top and the bottom of the other side of the refractory brick main body. Through the arrangement of the arc-shaped convex surface and the arc-shaped concave surface, the laying work of the arc-shaped tunnel kiln can be facilitated, the laying efficiency is improved, through the arrangement of the filling groove, cement can be conveniently filled, two groups of refractory brick main bodies can be conveniently laid together, the laying efficiency of the refractory bricks is further improved, and through the arrangement of the positioning blocks and the positioning holes, the laying efficiency is improved. And two groups of refractory bricks can be conveniently combined together to achieve the purpose of rapid laying.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of refractory bricks, in particular to a wall composite refractory brick used for a tunnel kiln. Background Art

[0002] Wall composite refractory bricks refer to brick materials that combine multiple refractory materials and improve their overall fire resistance and fireproofing capabilities through scientific proportioning and design. They are mainly used as high-temperature building materials and structural materials for building kilns and various thermal equipment. Wall composite refractory bricks can select appropriate refractory materials according to the specific use environment and requirements to improve their overall fire resistance and fireproofing capabilities.

[0003] At present, most of the wall composite refractory bricks used in tunnel kilns are rectangular. Rectangular refractory bricks are not convenient to lay in an arc shape during use, resulting in unsatisfactory use effect. At the same time, the existing refractory bricks are not convenient for cement to adhere during the laying process, which increases the difficulty of laying the refractory bricks and leads to unsatisfactory use effect. For this reason, we provide wall composite refractory bricks for tunnel kilns to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a wall composite refractory brick for a tunnel kiln, which solves the problem that the wall composite refractory bricks currently used for tunnel kilns are inconvenient to lay by arranging an arc convex surface, an arc concave surface and a filling groove.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model is a combined refractory brick for the wall of a tunnel kiln, comprising a refractory brick main body, wherein the number of the refractory brick main bodies is two and the structure is the same, one side of the refractory brick main body is an arc-shaped convex surface, and the other side is an arc-shaped concave surface, the arc-shaped convex surface and the arc-shaped concave surface are adapted to each other, the top and bottom of one side of the refractory brick main body are fixedly connected with positioning blocks, the top and bottom of the other side of the refractory brick main body are provided with positioning holes, the positioning blocks and the positioning holes are adapted to each other, a filling groove is provided on one side of the refractory brick main body, the refractory brick main body comprises a base material layer, a high-temperature resistant layer is fixedly connected to one side of the base material layer, and a fireproof layer is fixedly connected to the other side of the base material layer.

[0007] The present invention is further configured such that the substrate layer is made of silicate material, and the high temperature resistant layer is made of alumina material.

[0008] The utility model is further configured such that the fireproof layer is made of sodium sulfate, and the base material layer, the high temperature resistant layer and the fireproof layer are integrally fired.

[0009] The present invention is further configured such that ventilation holes are provided inside the main body of the refractory brick for discharging water and moisture.

[0010] The utility model is further configured such that the number of the filling slots is seven and they are evenly arranged for filling cement.

[0011] The present invention is further configured such that the number of the positioning holes and the number of the positioning blocks are both four, which are used for quickly combining two groups of refractory brick bodies.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model can facilitate the laying work of the arc tunnel kiln and improve the laying efficiency by setting the arc convex surface and the arc concave surface. The setting of the filling groove can facilitate the filling of cement, so as to facilitate the laying of two groups of refractory bricks together, further improving the laying efficiency of the refractory bricks. The setting of the positioning block and the positioning hole can facilitate the combination of the two groups of refractory bricks to achieve the purpose of rapid laying.

[0014] 2. The utility model can improve the high temperature resistance of the refractory bricks by setting the high temperature resistant layer, making the refractory bricks more durable. The utility model can improve the fire resistance of the refractory bricks by setting the fireproof layer, making the refractory bricks safer when in use. The utility model can conveniently discharge the water and moisture inside the refractory bricks when making the refractory bricks by setting the vent holes.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0017] Figure 1 This is a diagram of the combination of refractory bricks used for the wall of a tunnel kiln;

[0018] Figure 2 This is a disassembled diagram of the combined refractory bricks used for the wall of the tunnel kiln;

[0019] Figure 3 Figure 2 Side view of

[0020] Figure 4 A partial cross-sectional view of composite refractory bricks used for the walls of a tunnel kiln.

[0021] In the accompanying drawings: 1. refractory brick body; 2. arc-shaped convex surface; 3. arc-shaped concave surface; 4. positioning block; 5. positioning hole; 6. filling groove; 101. base material layer; 102. high temperature resistant layer; 103. fireproof layer; 7. ventilation hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Specific embodiment 1

[0024] See also Figure 1-4 The utility model is a combined refractory brick for the wall of a tunnel kiln, comprising a refractory brick body 1, two refractory brick bodies 1, and the same structure. One side of the refractory brick body 1 is an arc-shaped convex surface 2, and the other side is an arc-shaped concave surface 3. The arc-shaped convex surface 2 and the arc-shaped concave surface 3 are adapted to each other. The top and bottom of one side of the refractory brick body 1 are fixedly connected with positioning blocks 4. The top and bottom of the other side of the refractory brick body 1 are provided with positioning holes 5. The positioning blocks 4 and the positioning holes 5 are adapted to each other. A filling groove 6 is provided on one side of the refractory brick body 1. The refractory brick body 1 comprises a substrate layer 101. The substrate layer 101 is A high-temperature resistant layer 102 is fixedly connected to one side of the base material layer 101, and a fireproof layer 103 is fixedly connected to the other side of the base material layer 101. The base material layer 101 is made of silicate material, the high-temperature resistant layer 102 is made of alumina material, and the fireproof layer 103 is made of sodium sulfate. The base material layer 101, the high-temperature resistant layer 102 and the fireproof layer 103 are fired as a whole. Ventilation holes 7 are opened inside the refractory brick body 1 for discharging water and moisture. There are seven filling slots 6, which are evenly arranged for filling cement. There are four positioning holes 5 and four positioning blocks 4 for quickly combining two groups of refractory brick bodies 1.

[0025] Specifically: There are two refractory brick bodies 1, but the structures are exactly the same. Two are drawn here to facilitate understanding of how the two groups of refractory brick bodies 1 cooperate with each other. The refractory brick bodies 1 are arc-shaped, mainly to facilitate laying operations. The filling grooves 6 are designed into multiple groups, so that cement can be effectively filled in to facilitate laying operations between the two groups of refractory brick bodies 1.

[0026] The working principle of the present invention is as follows: by setting the arc-shaped convex surface 2 and the arc-shaped concave surface 3, the laying work of the arc-shaped tunnel kiln can be facilitated and the laying efficiency can be improved; by setting the filling groove 6, cement can be easily filled in so as to lay the two groups of refractory brick bodies 1 together, further improving the laying efficiency of the refractory bricks; by setting the positioning block 4 and the positioning hole 5, the two groups of refractory bricks can be conveniently combined together to achieve the purpose of rapid laying; by setting the high-temperature resistant layer 102, the high-temperature resistance of the refractory bricks can be improved, making the refractory bricks more durable; by setting the fireproof layer 103, the fireproof property of the refractory bricks can be improved, making the refractory bricks safer when in use; by setting the vent hole 7, it is possible to conveniently discharge water and moisture inside the refractory bricks when making refractory bricks.

[0027] The standard parts used in the present invention can all be purchased from the market, and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology. The control method is automatically controlled by a control unit. The control circuit of the control unit can be implemented by simple programming by technicians in this field, which is common knowledge in this field. Therefore, the control method and circuit connection are no longer explained in detail in the present invention.

[0028] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to only the specific implementation methods described. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can better understand and utilize the present invention.

Claims

1. A composite refractory brick for a tunnel kiln wall, comprising a refractory brick body (1), characterized in that: The number of the refractory brick bodies (1) is two, and the structures are identical. One side of the refractory brick body (1) is an arc-shaped convex surface (2), and the other side is an arc-shaped concave surface (3). The arc-shaped convex surface (2) and the arc-shaped concave surface (3) are adapted to each other. The top and bottom of one side of the refractory brick body (1) are fixedly connected with positioning blocks (4). The top and bottom of the other side of the refractory brick body (1) are provided with positioning holes (5). The positioning blocks (4) and the positioning holes (5) are adapted to each other. A filling groove (6) is provided on one side of the refractory brick body (1). The refractory brick body (1) includes a base material layer (101). One side of the base material layer (101) is fixedly connected with a high-temperature resistant layer (102), and the other side of the base material layer (101) is fixedly connected with a fireproof layer (103).

2. The wall composite refractory brick for a tunnel kiln according to claim 1, characterized in that: The substrate layer (101) is made of silicate material, and the high temperature resistant layer (102) is made of alumina material.

3. The wall composite refractory brick for a tunnel kiln according to claim 1, characterized in that: The fireproof layer (103) is made of sodium sulfate, and the base material layer (101), the high temperature resistant layer (102) and the fireproof layer (103) are integrally fired.

4. The wall composite refractory brick for a tunnel kiln according to claim 1, characterized in that: The refractory brick body (1) is provided with ventilation holes (7) for discharging water and moisture.

5. The wall composite refractory brick for a tunnel kiln according to claim 1, characterized in that: The number of the filling slots (6) is seven and they are evenly arranged and are used for filling cement.

6. The wall composite refractory brick for a tunnel kiln according to claim 1, characterized in that: The number of the positioning holes (5) and the number of the positioning blocks (4) are both four, and they are used to quickly combine two groups of refractory brick bodies (1).