Special silicon mullite brick for kilneye

Abstract

The utility model discloses a special kilneye silicon mullite brick, which belongs to the field of silicon mullite bricks and comprises a silicon mullite brick main body, two sealing components are symmetrically and fixedly mounted at the lower end of the silicon mullite brick main body, each sealing component consists of a first trapezoidal block and two second trapezoidal blocks, and the two second trapezoidal blocks are symmetrically arranged at the lower end of the first trapezoidal block. The silicon mullite brick comprises a silicon mullite brick main body, two connecting assemblies are movably mounted in the silicon mullite brick main body, each connecting assembly is composed of a connecting anti-falling plate, two hexagonal outer cylinders and a hexagonal inner cylinder, and the two hexagonal outer cylinders are mounted at the two ends of the connecting anti-falling plate respectively. The sealing assembly on the silicon mullite brick main body on the upper side can be inserted into the first trapezoidal groove and the second trapezoidal groove formed in the silicon mullite brick main body on the lower side, so that the sealing performance between every two adjacent silicon mullite brick main bodies is good, and the sealing and heat insulation performance is good after the silicon mullite brick main bodies are built.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of silica mullite brick, especially to a kiln mouth special silica mullite brick. BACKGROUND

[0002] The kiln mouth special silica mullite brick is a kind of high-performance refractory material, mainly used in the kiln mouth part of cement rotary kiln and other high-temperature equipment.The kiln mouth special silica mullite brick is mainly made of special high-alumina bauxite and silicon carbide as raw material, and is made by special sintering process.Some silica mullite red bricks will also add andalusite raw material to further strengthen the thermal shock resistance and heat insulation performance.During the manufacturing process, proper halo additive is added to form a solid glaze film on the surface of the product at a certain temperature, thereby improving the corrosion resistance, wear resistance, thermal shock resistance and other properties of the product.Silica mullite bricks are mainly used in the transition zone, preheating zone, three-stage air pipe, five-stage preheater and lime kiln discharge chute of cement rotary kiln, especially in the kiln mouth part.As the kiln mouth is one of the most critical parts of the cement kiln sintering system, it is also a weak link for the use of refractory materials, so the wear resistance, thermal shock resistance and corrosion resistance of silica mullite bricks are fully utilized here.

[0003] In the prior art patent application with the application number CN201822142892.5, an anti-erosion silica mullite brick is proposed, which is relatively flat and lacks a connecting and sealing assembly, so that the sealing and heat insulation performance of the silica mullite brick after being built is poor, and heat is easily dissipated from the gap between two adjacent brick bodies, and at the same time, the stability of the connection between two adjacent silica mullite bricks after being built is poor, and the silica mullite bricks are prone to collapse and fall after being subjected to external force or long-term use, so it needs to be improved. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a kiln mouth special silica mullite brick, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kiln mouth special silica mullite brick, comprising a silica mullite brick main body, two sealing assemblies are symmetrically and fixedly installed at the lower end of the silica mullite brick main body, the sealing assembly is composed of a first trapezoidal block and a second trapezoidal block, the second trapezoidal block is two and symmetrically arranged at the lower end of the first trapezoidal block, two connecting assemblies are movably installed in the silica mullite brick main body, the connecting assembly is composed of a connecting anti-drop plate, a hexagonal outer cylinder and a hexagonal inner cylinder, the hexagonal outer cylinder is two and respectively installed at the two ends of the connecting anti-drop plate, the hexagonal inner cylinder is two and respectively installed on the inner walls of the two hexagonal outer cylinders.

[0007] Preferably, the silicon mullite brick body is symmetrically provided with four hexagonal slots, the four hexagonal slots are vertically through the silicon mullite brick body, and two symmetrical communication anti-falling grooves are formed in the silicon mullite brick body.

[0008] Preferably, the upper end of the silicon mullite brick body is symmetrically provided with two first trapezoidal grooves, and the two first trapezoidal grooves are located on the two sides of the four hexagonal slots, respectively.

[0009] Preferably, the first trapezoidal block on the sealing assembly is mounted at the lower end of the silicon mullite brick body, and the first trapezoidal block, the second trapezoidal block and the silicon mullite brick body are integrally formed.

[0010] Preferably, the connection anti-falling plate on the connecting assembly is slidably mounted in the communication anti-falling groove formed in the silicon mullite brick body, and the connection anti-falling plate is slidably mounted in the hexagonal slot formed in the silicon mullite brick body.

[0011] Preferably, the connection anti-falling plate on the connecting assembly is fixedly connected with the hexagonal outer cylinder, and the hexagonal outer cylinder is fixedly connected with the hexagonal inner cylinder.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] When the silicon mullite brick body is built, the sealing assembly on the upper silicon mullite brick body is inserted into the first trapezoidal groove and the second trapezoidal groove formed in the lower silicon mullite brick body, so that the sealing property between the two adjacent silicon mullite brick bodies is good, and the sealing and heat insulation property of the built silicon mullite brick body is good. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the bottom view of the whole structure of the utility model;

[0015] Figure 2 It is the top view of the whole structure of the utility model;

[0016] Figure 3 It is the sectional view of the silicon mullite brick body of the utility model;

[0017] Figure 4 It is a structural schematic view of the connecting assembly of the utility model.

[0018] In the figure: 1, silicon-mullite brick main body; 2, sealing assembly; 3, connecting assembly; 4, hexagonal slot; 5, communication anti-drop groove; 6, first trapezoidal block; 7, second trapezoidal block; 8, first trapezoidal groove; 9, second trapezoidal groove; 10, connecting anti-drop plate; 11, hexagonal outer cylinder; 12, hexagonal inner cylinder. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown in the figure, a kiln mouth special silicon-mullite brick, comprising a silicon-mullite brick main body 1, two sealing assemblies 2 are symmetrically fixedly installed at the lower end of the silicon-mullite brick main body 1, the sealing assembly 2 is composed of a first trapezoidal block 6 and a second trapezoidal block 7, the second trapezoidal block 7 is two and symmetrically arranged at the lower end of the first trapezoidal block 6, two connecting assemblies 3 are movably installed in the silicon-mullite brick main body 1, the connecting assembly 3 is composed of a connecting anti-drop plate 10, a hexagonal outer cylinder 11 and a hexagonal inner cylinder 12, the hexagonal outer cylinder 11 is two and respectively installed at the two ends of the connecting anti-drop plate 10, the hexagonal inner cylinder 12 is two and respectively installed on the inner walls of the two hexagonal outer cylinders 11, four hexagonal slots 4 are symmetrically provided in the silicon-mullite brick main body 1, the four hexagonal slots 4 all penetrate the silicon-mullite brick main body 1 from top to bottom, two communication anti-drop grooves 5 are symmetrically provided in the silicon-mullite brick main body 1, the communication anti-drop grooves 5 communicate the adjacent two hexagonal slots 4, two first trapezoidal grooves 8 are symmetrically provided at the upper end of the silicon-mullite brick main body 1, and the two first trapezoidal grooves 8 are respectively located at the two sides of the four hexagonal slots 4, two second trapezoidal grooves 9 are symmetrically provided on the bottom wall of the first trapezoidal groove 8, when the silicon-mullite brick main body 1 is used to build, the silicon-mullite brick main body 1 can be staggered to build, that is, the upper silicon-mullite brick main body 1 is pressed at the gap between the lower two silicon-mullite brick main bodies 1, at the same time, the sealing assembly 2 on the upper silicon-mullite brick main body 1 is inserted into the first trapezoidal groove 8 and the second trapezoidal groove 9 provided on the lower silicon-mullite brick main body 1, so that the first trapezoidal block 6 is in the first trapezoidal groove 8, and the second trapezoidal block 7 is in the second trapezoidal groove 9, finally, the two connecting assemblies 3 on the upper silicon-mullite brick main body 1 are respectively inserted into the hexagonal slots 4 provided on the lower two silicon-mullite brick main bodies 1, at this time, the building of the silicon-mullite brick main body 1 is completed.

[0021] Therefore, by arranging the sealing assembly 2 on the silicon-mullite brick body 1, when the silicon-mullite brick body 1 is built, the sealing assembly 2 on the upper silicon-mullite brick body 1 can be inserted into the first trapezoidal groove 8 and the second trapezoidal groove 9 arranged on the lower silicon-mullite brick body 1, so that the sealing between the two adjacent silicon-mullite brick bodies 1 is better, and the sealing and heat insulation of the built silicon-mullite brick body 1 is better; by movably arranging the two connecting assemblies 3 in the silicon-mullite brick body 1, when the silicon-mullite brick body 1 is built, the two connecting assemblies 3 on the upper silicon-mullite brick body 1 can be inserted into the hexagonal insertion slot 4 arranged on the lower silicon-mullite brick body 1, so that the stability of the connection between the adjacent silicon-mullite brick bodies 1 is better, and the built silicon-mullite brick body 1 is not easy to collapse and fall after being subjected to external force or long-term use; meanwhile, the connecting assembly 3 can be retracted into the silicon-mullite brick body 1 when not in use, so as not to increase the storage and transportation space.

[0022] Further, the first trapezoidal block 6 on the sealing assembly 2 is arranged at the lower end of the silicon-mullite brick body 1, and the first trapezoidal block 6 and the second trapezoidal block 7 are integrally formed with the silicon-mullite brick body 1; when the silicon-mullite brick body 1 is stored and transported, the sealing assembly 2 can also be inserted into the first trapezoidal groove 8 and the second trapezoidal groove 9 arranged on the lower silicon-mullite brick body 1, so that the stability of the silicon-mullite brick body 1 is better; the connecting anti-disengagement plate 10 on the connecting assembly 3 is slidably arranged in the communication anti-disengagement groove 5 arranged in the silicon-mullite brick body 1, the connecting anti-disengagement plate 10 is slidably arranged in the hexagonal insertion slot 4 arranged in the silicon-mullite brick body 1, the connecting anti-disengagement plate 10 on the connecting assembly 3 is fixedly connected with the hexagonal outer cylinder 11, the hexagonal outer cylinder 11 is fixedly connected with the hexagonal inner cylinder 12, and the connecting assembly 3 can be completely retracted into the silicon-mullite brick body 1 when the silicon-mullite brick body 1 is transported and stored; when the silicon-mullite brick body 1 is built, the hexagonal outer cylinder 11 and the hexagonal inner cylinder 12 on the connecting assembly 3 need to be inserted into the hexagonal insertion slot 4 arranged on the lower silicon-mullite brick body 1.

[0023] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. The protection scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A special silicamagnesia brick for kiln port comprising a silicamagnesia brick body (1), characterized in that: The lower end of the silicon mullite brick body (1) is symmetrically fixedly installed with two sealing assemblies (2), the sealing assembly (2) is composed of a first trapezoidal block (6) and a second trapezoidal block (7), the second trapezoidal block (7) is two and is symmetrically arranged at the lower end of the first trapezoidal block (6), two connecting assemblies (3) are movably installed in the silicon mullite brick body (1), the connecting assembly (3) is composed of a connecting anti-off plate (10), a hexagonal outer cylinder (11) and a hexagonal inner cylinder (12), the hexagonal outer cylinder (11) is two and is respectively installed at the two ends of the connecting anti-off plate (10), and the hexagonal inner cylinder (12) is two and is respectively installed on the inner walls of the two hexagonal outer cylinders (11).

2. A special shaped siliceous-mullite brick for kiln port according to claim 1, characterized in that: The silicon mullite brick body (1) is symmetrically provided with four hexagonal insertion grooves (4), the four hexagonal insertion grooves (4) all penetrate the silicon mullite brick body (1) from top to bottom, and two communication anti-off grooves (5) are symmetrically formed in the silicon mullite brick body (1), the communication anti-off grooves (5) communicate the adjacent two hexagonal insertion grooves (4).

3. A special shaped silicean-mullite brick for kiln port according to claim 2, characterized in that: The upper end of the silicon mullite brick body (1) is symmetrically provided with two first trapezoidal grooves (8), and the two first trapezoidal grooves (8) are respectively located on the two sides of the four hexagonal insertion grooves (4), and two second trapezoidal grooves (9) are symmetrically formed in the bottom wall of the first trapezoidal groove (8).

4. A special shaped siliceous-mullite brick for kiln port according to claim 3, characterized in that: The first trapezoidal block (6) on the sealing assembly (2) is installed at the lower end of the silicon mullite brick body (1), and the first trapezoidal block (6), the second trapezoidal block (7) and the silicon mullite brick body (1) are an integral molding structure.

5. A special shaped siliceous-mullite brick for kiln opening according to claim 4, characterized in that: The connecting anti-off plate (10) on the connecting assembly (3) is slidably installed in the communication anti-off groove (5) formed in the silicon mullite brick body (1), and the connecting anti-off plate (10) is slidably installed in the hexagonal insertion groove (4) formed in the silicon mullite brick body (1).

6. A special shaped silicean-mullite brick for kiln port according to claim 5, characterized in that: The connecting anti-off plate (10) and the hexagonal outer cylinder (11) on the connecting assembly (3) are fixedly connected, and the hexagonal outer cylinder (11) and the hexagonal inner cylinder (12) are fixedly connected.

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