Kiln body curved sealing high-temperature prefabricated part for tunnel kiln

Abstract

The utility model discloses a kiln body curved sealing high-temperature prefabricated part for a tunnel kiln, and relates to the technical field of tunnel kilns. A kiln body curved sealing high-temperature prefabricated part for a tunnel kiln comprises a brick body, a positioning groove is formed in the upper end of the brick body, a positioning protruding block is fixedly connected to the lower end of the brick body, an inserting groove is formed in the front side of the brick body, an inserting column is fixedly connected to the rear side of the brick body, and a fireproof layer is arranged on the surface of the brick body. A heat insulation layer is arranged on the surface of the fireproof layer, a high-temperature-resistant layer is arranged on the surface of the heat insulation layer, the fireproof layer comprises a high-aluminum material layer, and a glass fiber layer is arranged on the surface of the high-aluminum material layer. The technical problems that an existing kiln body curved seal prefabricated part is poor in fireproof and heat insulation performance, when people use the kiln body curved seal prefabricated part, effective fireproof and heat insulation cannot be conducted, heat loss is likely to happen, heat unbalance in a kiln body is affected, and people cannot conveniently use the kiln body curved seal prefabricated part are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel kiln technical field especially relates to a tunnel kiln is with kiln body curve to seal high temperature prefabricated part. BACKGROUND

[0002] Tunnel kiln is by refractory material, heat preservation material and building material and is built in the inside loading with kiln car etc. carrying tool and is similar to the kiln of tunnel, is the modernization continuous type firing heat engineering equipment, and the tunnel kiln is widely used in the calcination production of ceramic products, and also has the application in the metallurgical industry such as abrasive, and in the building of tunnel kiln, need to use kiln body curve to seal prefabricated part, in order to seal the kiln body and pile up.

[0003] However, the prior art has some problems: the existing kiln body curve to seal prefabricated part, poor fire resistance and heat insulation, when people use kiln body curve to seal prefabricated part, can not effectively prevent fire and heat, easy to cause heat loss, affect the heat imbalance in the kiln body, inconvenient for people to use, therefore it is necessary to provide a kind of tunnel kiln is with kiln body curve to seal high temperature prefabricated part to solve the above technical problems. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of tunnel kiln is with kiln body curve to seal high temperature prefabricated part, solve the existing kiln body curve to seal prefabricated part, poor fire resistance and heat insulation, when people use kiln body curve to seal prefabricated part, can not effectively prevent fire and heat, easy to cause heat loss, affect the heat imbalance in the kiln body, inconvenient for people to use the technical problem.

[0005] To solve the above technical problems, the utility model provides a kind of tunnel kiln is with kiln body curve to seal high temperature prefabricated part, it includes:

[0006] Brick body, the upper end of the brick body is provided with a positioning slot, the lower end of the brick body is fixedly connected with a positioning lug, the front side of the brick body is provided with an insertion slot, the rear side of the brick body is fixedly connected with an insertion column, the surface of the brick body is provided with a fireproof layer, the surface of the fireproof layer is provided with a heat insulation layer, and the surface of the heat insulation layer is provided with a high-temperature-resistant layer.

[0007] Preferably, the fireproof layer includes a high-alumina material layer, the surface of the high-alumina material layer is provided with a glass fiber layer, and the thickness of the glass fiber layer is less than that of the high-alumina material layer.

[0008] Preferably, the heat insulation layer includes an aluminum hydroxide layer, the surface of the aluminum hydroxide layer is provided with an inorganic flame retardant layer, and the thickness of the inorganic flame retardant layer is less than that of the aluminum hydroxide layer.

[0009] Preferably, the high-temperature-resistant layer includes a magnesite layer, the surface of the magnesite layer is provided with a magnesia refractory material layer, and the thickness of the magnesite layer is the same as that of the magnesia refractory material layer.

[0010] Preferably, the thickness of the high-temperature resistant layer is greater than the thickness of the heat insulation layer and the thickness of the fireproof layer.

[0011] Compared with related technologies, the high-temperature prefabricated component for the curved seal of a tunnel kiln provided by this utility model has the following beneficial effects:

[0012] This utility model provides a high-temperature precast component for the curved seal of a tunnel kiln. By setting a fireproof layer, it plays a good role in improving the fire resistance of the bricks during use, thus solving the problem of poor fire resistance of the bricks during use.

[0013] This utility model provides a high-temperature precast component for the curved seal of a tunnel kiln, which adopts a heat insulation layer to provide good heat insulation performance for the brick body during use, thus solving the problem of poor heat insulation performance of the brick body during use.

[0014] This utility model provides a high-temperature precast component for the curved seal of a tunnel kiln. By setting a high-temperature resistant layer, the brick body has a good high-temperature resistance during use, thus solving the problem of poor high-temperature resistance of the brick body during use. Attached Figure Description

[0015] Figure 1 A schematic diagram of a preferred embodiment of a high-temperature prefabricated component for a tunnel kiln body curved seal provided by this utility model;

[0016] Figure 2 This is a side view of the brick structure of this utility model;

[0017] Figure 3 This is a partial sectional view of the fireproof layer structure of this utility model;

[0018] Figure 4 This is a partial cross-sectional view of the insulation layer structure of this utility model;

[0019] Figure 5 This is a partial cross-sectional view of the high-temperature resistant layer structure of this utility model.

[0020] The following are the labels in the diagram: 1. Brick body; 2. Positioning groove; 3. Positioning protrusion; 4. Insertion groove; 5. Insertion post; 6. Fireproof layer; 61. High alumina material layer; 62. Glass fiber layer; 7. Heat insulation layer; 71. Aluminum hydroxide layer; 72. Inorganic flame retardant layer; 8. High temperature resistant layer; 81. Magnesite layer; 82. Magnesia refractory material layer. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0022] Example 1:

[0023] Please see Figures 1-5 This utility model provides a technical solution: a high-temperature prefabricated component for a tunnel kiln body curved seal, comprising: a brick body 1, a positioning groove 2 at the upper end of the brick body 1, a positioning protrusion 3 fixedly connected to the lower end of the brick body 1, an insertion groove 4 at the front side of the brick body 1, an insertion post 5 fixedly connected to the rear side of the brick body 1, a fireproof layer 6 on the surface of the brick body 1, a heat insulation layer 7 on the surface of the fireproof layer 6, and a high-temperature resistant layer 8 on the surface of the heat insulation layer 7.

[0024] In this embodiment, a high-alumina material layer 61 is provided. This high-alumina material is a neutral refractory material with an alumina content of over 48%, formed and calcined from bauxite or other raw materials with high alumina content. It has high thermal stability, a refractoriness of over 1770℃, and good slag resistance. It is used for lining steelmaking electric furnaces, glass melting furnaces, cement rotary kilns, etc. An aluminum hydroxide layer 71 is also provided. Aluminum hydroxide is the most widely used and extensively applied inorganic flame retardant additive. As a flame retardant, aluminum hydroxide not only retards flames but also prevents smoke, dripping, and the production of toxic gases. Therefore, it has gained widespread application, and its usage is increasing year by year. Its applications include thermosetting plastics, thermoplastic plastics, synthetic rubber, coatings, and building materials industries. Furthermore, aluminum hydroxide is also a basic raw material for aluminum fluoride, which is essential in the electrolytic aluminum industry, where it is also widely used.

[0025] Example 2:

[0026] Please see Figures 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: the fireproof layer 6 includes a high-alumina material layer 61, and a glass fiber layer 62 is disposed on the surface of the high-alumina material layer 61. The thickness of the glass fiber layer 62 is less than the thickness of the high-alumina material layer 61. The heat insulation layer 7 includes an aluminum hydroxide layer 71, and an inorganic flame retardant layer 72 is disposed on the surface of the aluminum hydroxide layer 71. The thickness of the inorganic flame retardant layer 72 is less than the thickness of the aluminum hydroxide layer 71. The high-temperature resistant layer 8 includes a magnesite layer 81, and a magnesia refractory material layer 82 is disposed on the surface of the magnesite layer 81. The thickness of the magnesite layer 81 is the same as the thickness of the magnesia refractory material layer 82. The thickness of the high-temperature resistant layer 8 is greater than the thickness of the heat insulation layer 7 and the thickness of the fireproof layer 6.

[0027] In this embodiment: the inorganic flame retardant layer 72 is provided, wherein the inorganic flame retardant is composed of high-temperature resistant solution added to ultrafine inorganic metal oxides through fine processing. The inorganic flame retardant mainly adds inorganic elements with inherent flame retardancy in the form of elements or compounds to the substrate to be flame retarded, and mixes them thoroughly with polymers in a physically dispersed state. It plays a flame retardant role in the gas phase or condensed phase through chemical or physical changes. The magnesium refractory material layer 82 is provided, wherein the magnesium refractory material has become one of the widely used auxiliary materials in the metallurgical industry due to its high refractory performance, high high temperature strength and resistance to alkaline slag corrosion.

[0028] The working principle of the high-temperature prefabricated component for the curved seal of a tunnel kiln provided by this utility model is as follows:

[0029] Implementation steps for the first innovation point:

[0030] Step 1: By setting the high-alumina material layer 61, which is a neutral refractory material with an alumina content of more than 48%, it is made of bauxite or other raw materials with high alumina content through molding and calcination. It has high thermal stability, refractoriness of more than 1770℃, and good slag resistance. It is used for lining steelmaking electric furnaces, glass melting furnaces, cement rotary furnaces, etc.

[0031] Step 2: Through aluminum hydroxide layer 71, aluminum hydroxide is the most widely used and extensively applied inorganic flame retardant additive. As a flame retardant, aluminum hydroxide not only retards flames but also prevents smoke, dripping, and the production of toxic gases. Therefore, it has gained wide application and its usage is increasing year by year. Application scope: thermosetting plastics, thermoplastic plastics, synthetic rubber, coatings, and building materials industries. At the same time, aluminum hydroxide is also a basic raw material for aluminum fluoride, which is essential in the electrolytic aluminum industry, and aluminum hydroxide is also widely used in this industry.

[0032] Implementation steps for the second innovation point:

[0033] Step 1: By setting the inorganic flame retardant layer 72, the inorganic flame retardant is composed of high temperature resistant solution added to ultra-fine inorganic metal oxides through fine processing. The inorganic flame retardant mainly adds inorganic elements with inherent flame retardancy in the form of elements or compounds to the flame-retardant substrate, and mixes them fully with polymers in a physically dispersed state. It plays a flame-retardant role in the gas phase or condensed phase through chemical or physical changes.

[0034] Step 2: Pass through the magnesium refractory material layer 82. Magnesium refractory material has become one of the widely used auxiliary materials in the metallurgical industry due to its high refractory performance, high high temperature strength and resistance to alkaline slag corrosion.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-temperature prefabricated component for the curved seal of a tunnel kiln, characterized in that: include: A brick body (1) is provided with a positioning groove (2) at the upper end of the brick body (1), a positioning protrusion (3) is fixedly connected to the lower end of the brick body (1), an insertion groove (4) is provided on the front side of the brick body (1), an insertion post (5) is fixedly connected to the rear side of the brick body (1), a fireproof layer (6) is provided on the surface of the brick body (1), a heat insulation layer (7) is provided on the surface of the fireproof layer (6), and a high temperature resistant layer (8) is provided on the surface of the heat insulation layer (7).

2. The high-temperature prefabricated component for the curved seal of a tunnel kiln according to claim 1, characterized in that, The fireproof layer (6) includes a high-alumina material layer (61), and a glass fiber layer (62) is disposed on the surface of the high-alumina material layer (61), the thickness of the glass fiber layer (62) being less than the thickness of the high-alumina material layer (61).

3. A high-temperature prefabricated component for the curved seal of a tunnel kiln according to claim 1, characterized in that, The heat insulation layer (7) includes an aluminum hydroxide layer (71), and an inorganic flame retardant layer (72) is disposed on the surface of the aluminum hydroxide layer (71), the thickness of the inorganic flame retardant layer (72) being less than the thickness of the aluminum hydroxide layer (71).

4. A high-temperature prefabricated component for the curved seal of a tunnel kiln according to claim 1, characterized in that, The high-temperature resistant layer (8) includes a magnesite layer (81), and a magnesium refractory material layer (82) is disposed on the surface of the magnesite layer (81). The thickness of the magnesite layer (81) is the same as the thickness of the magnesium refractory material layer (82).

5. A high-temperature prefabricated component for the curved seal of a tunnel kiln according to claim 1, characterized in that, The thickness of the high-temperature resistant layer (8) is greater than the thickness of the heat insulation layer (7) and the thickness of the fireproof layer (6).

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