A spheroidizing annealing furnace cover

Abstract

The utility model belongs to iron material processing equipment technical field, a kind of spheroidizing annealing furnace cover, including furnace cover, sealing strip is embedded on furnace cover side, sealing strip includes high-temperature resistance layer, adhesive layer and elastic buffer layer, by adopting multilayer composite sealing strip design, high-temperature resistance layer prevents sealing strip aging, elastic buffer layer can buffer the pressure between furnace cover and furnace body, adhesive layer then ensures sealing strip and furnace cover firm connection, the synergistic effect of this multilayer structure, reduce the possibility of gas leakage in furnace, improve sealing effect;Through the setting of first buffer layer surface and second buffer layer surface, and the staggered distribution of first extrusion column, first extrusion groove, second extrusion column and second extrusion groove, when in high temperature and high pressure environment, first extrusion column and second extrusion column can produce elastic deformation in first extrusion groove and second extrusion groove, to further enhance the durability of sealing strip;Compared with prior art, the utility model improves sealing performance.

Description

Technical Field

[0001] This utility model relates to the field of iron material processing equipment technology, and more specifically, it relates to a spheroidizing annealing furnace cover. Background Technology

[0002] In the field of ferrous metal processing, spheroidizing annealing furnaces are crucial heat treatment equipment. The spheroidizing annealing process, through precise control of parameters such as temperature, atmosphere, and time within the furnace, promotes the spheroidization transformation of carbides in ferrous materials, thereby significantly improving the material's machinability and enhancing its toughness and other mechanical properties.

[0003] For example, the spheroidizing annealing furnace cover disclosed in authorization announcement number CN209144219U includes... The furnace cover comprises an upper body, a middle body, and a lower body, all with circular outer edges. The upper body has a furnace cover edge and a motor inlet in the center. The middle body includes a bottom plate and side plates surrounding the bottom plate. The side plates are connected to the bottom plate via an arc surface and are welded to the upper body. A blower inlet is located in the center of the bottom plate. The lower body is shaped like an inverted disc and has downward and outward curved air guide edges. Several air guide plates are arranged in a ring around the blower inlet between the middle body and the lower body. The upper end of the air guide plates is welded to the bottom plate, and the lower end is welded to the lower body. Each air guide plate has a head end facing the blower inlet and a tail end facing away from the blower inlet.

[0004] As mentioned above, a sealing strip is embedded on the edge of the furnace cover at the bottom. Under extreme working conditions such as high temperature and high pressure, the sealing strip structure will expose its limitations. Under prolonged high temperature, the sealing strip material may age and deform, resulting in insufficient sealing performance and reduced sealing effect, which in turn leads to gas leakage inside the furnace. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a spheroidizing annealing furnace cover with improved sealing performance.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A spheroidizing annealing furnace cover includes a furnace cover with a sealing strip embedded at the bottom of the edge of the furnace cover. The sealing strip includes a high-temperature resistant layer, an adhesive layer, and an elastic buffer layer. The elastic buffer layer is placed between the high-temperature resistant layer and the adhesive layer. The elastic buffer layer is bonded and fixed to the high-temperature resistant layer and the adhesive layer, respectively. The elastic buffer layer includes a first buffer layer and a second buffer layer. The first and second buffer layers are bonded and fixed together. The first buffer layer has several evenly distributed first extrusion grooves, and adjacent first extrusion grooves are connected. Each of the first extrusion grooves is provided with a first extrusion column, one end of which is bonded and fixed to the first extrusion groove. The second buffer layer has several evenly distributed second extrusion grooves, and adjacent second extrusion grooves are connected. Each of the second extrusion grooves is provided with a second extrusion column, which is staggered with the first extrusion column. One end of the second extrusion column is bonded and fixed to the second extrusion groove. Both the second extrusion column and the first extrusion column are elastic.

[0007] The present invention is further configured such that: an installation groove is provided on the furnace cover, and the adhesive layer, the first buffer layer and the second buffer layer are all bonded and fixed to the inner wall of the installation groove.

[0008] The present invention is further configured such that the high-temperature resistant layer is made of ceramic fiber.

[0009] The present invention is further configured such that: the length of the first extrusion column is longer than the depth of the first extrusion groove, and the length of the second extrusion column is longer than the depth of the second extrusion groove.

[0010] By adopting the above technical solution, the beneficial effects of this utility model are as follows: By adopting a multi-layer composite sealing strip design, including a high-temperature resistant layer, an elastic buffer layer, and an adhesive layer, this multi-layer structure works synergistically to reduce the possibility of gas leakage inside the furnace, improve the sealing effect, and thus effectively enhance the sealing performance. Through the arrangement of the first and second buffer layers, and the staggered distribution of the first extrusion column, the first extrusion groove, the second extrusion column, and the second extrusion groove, this multi-layered buffer structure... Under high temperature and high pressure conditions, the first extrusion column and the second extrusion column can undergo elastic deformation within the first extrusion groove and the second extrusion groove. This reduces the risk of seal failure due to aging or deformation of the sealing strip, thereby enhancing the durability of the sealing strip. Attached Figure Description

[0011] Figure 1 This is a partial schematic diagram of an embodiment of the present utility model; Figure 2 This is a structural schematic diagram of an embodiment of the present utility model.

[0012] Furnace cover 1, sealing strip 2, high temperature resistant layer 3, adhesive layer 4, elastic buffer layer 5, first extrusion groove 6, first extrusion column 7, second extrusion groove 8, second extrusion column 9, mounting groove 10, first buffer layer 501, second buffer layer 502. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0015] like Figures 1 to 2 As shown, it includes a furnace cover 1, and a sealing strip 2 is embedded on the side of the furnace cover 1 at the bottom of the side. The sealing strip 2 adopts a multi-layer composite structure, including a high-temperature resistant layer 3, an adhesive layer 4 and an elastic buffer layer 5.

[0016] The elastic buffer layer 5 is placed between the high-temperature resistant layer 3 and the adhesive layer 4, and the elastic buffer layer 5 is bonded and fixed to the high-temperature resistant layer 3 and the adhesive layer 4 respectively by a high-temperature resistant adhesive. This structure makes the sealing strip 2 have both good high-temperature resistance and elastic buffering capacity, and can adapt to various changes between the furnace cover 1 and the furnace body.

[0017] The high-temperature resistant layer 3 is made of ceramic fiber, which has excellent high-temperature resistance and can maintain stable physical and chemical properties in high-temperature environments, effectively preventing the sealing strip 2 from aging and deforming due to high temperature.

[0018] The elastic buffer layer 5 further includes a first buffer layer 501 and a second buffer layer 502. The first buffer layer 501 and the second buffer layer 502 are bonded and fixed by a high-temperature resistant adhesive. Five evenly arranged first extrusion grooves 6 are opened in the first buffer layer 501. The adjacent first extrusion grooves 6 are connected. A first extrusion column 7 is installed in each first extrusion groove 6. One end of the first extrusion column 7 is bonded and fixed to the first extrusion groove 6 by a high-temperature resistant adhesive.

[0019] The second buffer layer 502 has four evenly arranged second extrusion grooves 8, and adjacent second extrusion grooves 8 are connected. Each second extrusion groove 8 has a second extrusion column 9. The second extrusion column 9 and the first extrusion column 7 are staggered. One end of the second extrusion column 9 is bonded and fixed to the second extrusion groove 8 by a high-temperature resistant adhesive. Both the second extrusion column 9 and the first extrusion column 7 are made of elastic materials, such as rubber, which can produce elastic deformation when squeezed.

[0020] An installation groove 10 is provided on the side of the furnace cover 1. The adhesive layer 4, the first buffer layer 501 and the second buffer layer 502 are all bonded and fixed to the inner wall of the installation groove 10 with a high temperature resistant adhesive, ensuring that the sealing strip 2 can be tightly installed in the installation groove 10. This installation method can ensure that the sealing strip 2 is firmly connected to the furnace cover 1, improve the sealing effect, and facilitate the installation and replacement of the sealing strip 2.

[0021] The length of the first extrusion column 7 is longer than the depth of the first extrusion groove 6, and the length of the second extrusion column 9 is longer than the depth of the second extrusion groove 8. This design allows the first extrusion column 7 and the second extrusion column 9 to generate greater elastic deformation when subjected to extrusion, further enhancing the sealing performance.

[0022] Working principle: When the spheroidizing annealing furnace is working, the furnace is in a high temperature and high pressure environment. The high temperature resistant layer 3 can effectively resist the high temperature and prevent the sealing strip 2 from aging and deforming. The elastic buffer layer 5 can buffer the pressure between the furnace cover 1 and the furnace body, ensuring that the sealing strip 2 is always in close contact with both. When there is a slight deformation and displacement between the furnace cover 1 and the furnace body, the first extrusion column 7 and the second extrusion column 9 can generate elastic deformation in the first extrusion groove 6 and the second extrusion groove 8 to adapt to this deformation and displacement, thereby maintaining the stability of the sealing performance, ensuring the stability of the temperature and atmosphere environment inside the furnace, and improving the annealing quality of iron materials.

[0023] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any ordinary changes and substitutions made by those skilled in the art within the scope of the technical solution of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A spheroidizing annealing furnace cover, comprising a furnace cover (1), wherein a sealing strip (2) is embedded on the side of the furnace cover (1) at the bottom of the side, characterized in that, The sealing strip (2) includes a high-temperature resistant layer (3), an adhesive layer (4), and an elastic buffer layer (5). An elastic buffer layer (5) is placed between the high-temperature resistant layer (3) and the adhesive layer (4). The elastic buffer layer (5) is bonded and fixed to the high-temperature resistant layer (3) and the adhesive layer (4) respectively. The elastic buffer layer (5) includes a first buffer layer (501) and a second buffer layer (502). The first buffer layer (501) and the second buffer layer (502) are bonded and fixed together. Several evenly distributed first extrusion grooves (6) are provided in the first buffer layer (501). The adjacent first extrusion grooves (6) are connected. Each of the first extrusion grooves (6) is provided with a first extrusion column (7), one end of which is bonded and fixed to the first extrusion groove (6). The second buffer layer (502) has several evenly distributed second extrusion grooves (8). The adjacent second extrusion grooves (8) are connected. Each of the second extrusion grooves (8) is provided with a second extrusion column (9). The second extrusion column (9) and the first extrusion column (7) are staggered. One end of the second extrusion column (9) is bonded and fixed to the second extrusion groove (8). Both the second extrusion column (9) and the first extrusion column (7) are elastic.

2. The furnace cover for a spheroidizing annealing furnace according to claim 1, characterized in that, The furnace cover (1) is provided with an installation groove (10), and the adhesive layer (4), the first buffer layer (501) and the second buffer layer (502) are all bonded and fixed to the inner wall of the installation groove (10).

3. The furnace cover for a spheroidizing annealing furnace according to claim 1, characterized in that, The high-temperature resistant layer (3) is made of ceramic fiber.

4. The furnace cover for a spheroidizing annealing furnace according to claim 1, characterized in that, The length of the first extrusion column (7) is longer than the depth of the first extrusion groove (6), and the length of the second extrusion column (9) is longer than the depth of the second extrusion groove (8).

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