Sealing structure of pre-oxidation furnace body

Abstract

The utility model provides a sealing structure of a pre-oxidation furnace body, which relates to the technical field of pre-oxidation furnaces, and comprises an oxidation furnace body, one side of the outer wall of the oxidation furnace body is provided with two mounting grooves, one side of the inner wall of each mounting groove is fixedly provided with four springs, and the inner surface wall of each mounting groove is provided with four moving grooves. According to the sealing device, the connecting strips are installed on one sides of the four springs, the four moving blocks are all movably embedded in the four moving grooves, and the other sides of the two sealing strips make close contact with the two strip-shaped plates, so that the two expanded sealing strips extrude the two connecting strips and the four springs at the same time and cannot extrude one sides of the two strip-shaped plates; according to the furnace body sealing structure of the pre-oxidation furnace, close contact between the two sealing strips and the two strip-shaped plates is guaranteed, no gap is generated, then the situation that the sealing effect is poor when the two sealing strips are subjected to thermal expansion is avoided, and the using effect of the furnace body sealing structure of the pre-oxidation furnace is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pre-oxidation furnaces, in particular to a sealing structure of a furnace body of a pre-oxidation furnace. Background Art

[0002] The pre-oxidation furnace body is a device used for pre-oxidation treatment, usually composed of a furnace shell, a furnace chamber and heating elements. The furnace shell is used to fix and protect the furnace chamber and heating elements to avoid thermal damage and provide good insulation performance. The furnace chamber is the space for pre-oxidation reaction and is used to accommodate the materials or workpieces to be processed. The heating elements provide the required heating energy to heat the furnace chamber to the predetermined pre-oxidation temperature.

[0003] In the prior art, in order to ensure that the reaction inside the pre-oxidation furnace is carried out effectively and to prevent external air and impurities from entering the furnace and to keep the furnace environment pure, it is generally necessary to seal the furnace door side. Since the internal reaction needs to be carried out through heating, and the sealing strip will expand when exposed to heat, gaps will be generated between the door panels, thereby reducing the sealing effect. Therefore, a sealing structure for the furnace body of the pre-oxidation furnace is needed. Utility Model Content

[0004] The utility model aims to solve the problem that when the existing equipment is in use, the sealing strip will expand itself when it encounters heat, resulting in gaps between door seams and reducing the sealing effect, and proposes a sealing structure for the furnace body of a pre-oxidation furnace.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sealing structure of a pre-oxidation furnace body, including an oxidation furnace body, two installation grooves are provided on one side of the outer wall of the oxidation furnace body, four springs are fixedly installed on one side of the inner wall of the two installation grooves, four movable grooves are provided on the inner surface walls of the two installation grooves, and movable blocks are movably embedded in the inner surface walls of the eight movable grooves, four springs form a group, connecting strips are fixedly installed between one side of the outer walls of the two groups of springs, and the outer walls of the two connecting strips are fixedly connected to one side of the outer walls of the eight movable blocks, one side of the outer walls of the two connecting strips are in contact with a sealing strip, and one side of the outer walls of the two sealing strips are in contact with a strip plate.

[0006] Preferably, a T-shaped insert is fixedly mounted on one side of the outer wall of the two strip-shaped plates, and two fixing strips are fixedly mounted on the inner surface wall of the oxidation furnace body.

[0007] Preferably, a strip-shaped slot is provided on one side of the outer wall of the two fixing strips, and the outer walls of the two T-shaped inserting strips are movably inserted in the two strip-shaped slots.

[0008] Preferably, a placement plate is fixedly mounted on the inner surface wall of the oxidation furnace body, and a heating element is arranged at the bottom of the inner wall of the oxidation furnace body.

[0009] Preferably, four fixing blocks are fixedly mounted on one side of the outer wall of the oxidation furnace body, and a sleeve block with holes is fixedly mounted on one side of the outer walls of the two strip plates, and the four fixing blocks are movably inserted inside the four sleeve blocks with holes.

[0010] Preferably, the inner walls of the four fixed blocks are threadedly connected with bolts, the outer walls of the four bolts are movably sleeved with locking strips, and the bottoms of the four locking strips are in contact with the tops of the four fixed blocks, and the bottoms of the four locking strips are in contact with the tops of the four holed sleeve blocks.

[0011] Preferably, a visual door is provided between one side of the outer walls of the two strip plates.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] In the utility model, two sealing strips are tightly attached between two connecting strips and two strip plates. When the temperature is generated by the heating element in the oxidation furnace and the sealing strips are expanded, eight moving blocks move in eight moving grooves, causing the two expanded sealing strips to drive the two connecting strips to squeeze the eight springs, and the two sealing strips will not be squeezed and expanded too much toward one side of the two strip plates, so that no gap will be generated between the two strip plates and the oxidation furnace body, and the sealing effect is still maintained, thereby improving the use effect of the sealing structure of the pre-oxidation furnace body.

[0014] In the utility model, two strip plates are sleeved on two fixed blocks through two hole sleeve blocks. At the same time, two T-shaped inserts are just inserted into the inside of the two strip slots. Then, the two strip plates are fixed to the oxidation furnace body through the action of four bolts and four locking strips. The disassembly and assembly are simple, which makes it convenient for the staff to replace the internal sealing strips, further improving the use effect of the sealing structure of the pre-oxidation furnace body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A subjective structural stereogram of a sealing structure of a pre-oxidation furnace body is proposed for the utility model;

[0016] Figure 2 The utility model provides a disassembled diagram of the sealing structure of the pre-oxidation furnace body;

[0017] Figure 3 A partial exploded view of a sealing structure of a pre-oxidation furnace body proposed by the utility model;

[0018] Figure 4 A partial top view of a sealing structure of a pre-oxidation furnace body provided by the utility model;

[0019] Figure 5For this utility model Figure 2 A enlarged view of .

[0020] Legend:

[0021] Oxidation furnace body; 2. Installation groove; 3. Spring; 4. Moving groove; 5. Moving block; 6. Connecting strip; 7. Sealing strip; 8. Strip plate; 9. T-shaped insert strip; 10. Fixing strip; 11. Strip slot; 12. Placement plate; 13. Heating element; 14. Fixing block; 15. Hole sleeve block; 16. Bolt; 17. Locking strip; 18. Visual door. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1, as Figure 1-Figure 5 As shown, the utility model provides a sealing structure of a pre-oxidation furnace body, including an oxidation furnace body 1, two installation grooves 2 are provided on one side of the outer wall of the oxidation furnace body 1, four springs 3 are fixedly installed on one side of the inner wall of the two installation grooves 2, four movable grooves 4 are provided on the inner surface walls of the two installation grooves 2, and movable blocks 5 are movably embedded in the inner surface walls of the eight movable grooves 4, four springs 3 form a group, connecting strips 6 are fixedly installed between one side of the outer walls of the two groups of springs 3, and the outer walls of the two connecting strips 6 are fixedly connected to one side of the outer wall of the eight movable blocks 5, one side of the outer wall of the two connecting strips 6 is in contact with a sealing strip 7, and one side of the outer wall of the two sealing strips 7 is in contact with a strip plate 8.

[0025] The effect achieved by the entire embodiment 1 is that the material on the placement plate 12 is oxidized by the heating element 13. When the temperature in the furnace rises, the two sealing strips 7 that are in close contact with one side of the two connecting strips 6 will expand. Since each connecting strip 6 is installed on one side of the four springs 3, and the four moving blocks 5 installed on both sides of each connecting strip 6 are movably embedded in the four moving grooves 4, and because the other sides of the two sealing strips 7 are in close contact with the two strip plates 8, the two expanded sealing strips 7 squeeze the two connecting strips 6 and the eight springs 3 at the same time, and will not be squeezed too much toward one side of the two strip plates 8, thereby ensuring close contact between the two strip plates 8 and the oxidation furnace body 1, and no gap is generated. Furthermore, when the two sealing strips 7 expand due to heat, there will be no poor sealing effect, thereby improving the use effect of the sealing structure of the pre-oxidation furnace body.

[0026] Embodiment 2, as Figure 2-Figure 5 As shown, a T-shaped inserting strip 9 is fixedly installed on one side of the outer wall of the two strip plates 8, two fixing strips 10 are fixedly installed on the inner surface wall of the oxidation furnace body 1, a strip slot 11 is opened on one side of the outer wall of the two fixing strips 10, and the outer walls of the two T-shaped inserting strips 9 are movably inserted in the two strip slots 11, a placement plate 12 is fixedly installed on the inner surface wall of the oxidation furnace body 1, a heating element 13 is arranged at the bottom of the inner wall of the oxidation furnace body 1, and four fixing blocks 14 are fixedly installed on one side of the outer wall of the oxidation furnace body 1 A hole-covering block 15 is fixedly installed on one side of the outer wall of the two strip plates 8, and the four fixing blocks 14 are movably inserted into the inside of the four hole-covering blocks 15, the inner walls of the four fixing blocks 14 are threadedly connected with bolts 16, and the outer walls of the four bolts 16 are movably covered with locking strips 17, and the bottoms of the four locking strips 17 are in contact with the tops of the four fixing blocks 14, and the bottoms of the four locking strips 17 are in contact with the tops of the four hole-covering blocks 15, and a visual door 18 is arranged between one side of the outer wall of the two strip plates 8.

[0027] The effect achieved by the entire embodiment 2 is that the two sealing strips 7 are placed on one side of the two connecting strips 6. Since four fixing blocks 14 are installed on one side of the outer wall of the oxidation furnace body 1, two sleeve blocks 15 with holes installed on one side of the outer wall of the two strip plates 8 are sleeved on the four fixing blocks 14, and T-shaped inserts 9 are installed on the other side of the outer wall of the strip plates 8. The two T-shaped inserts 9 are just inserted into the strip slots 11 opened on one side of the outer wall of the two fixing strips 10. At this time, the two sealing strips 7 are between the two connecting strips 6 and the two strip plates 8, and then they are threadedly connected to the four fixing blocks 14 by four bolts 16. Inside, since locking strips 17 are movably sleeved on the four bolts 16, when the four locking strips 17 are completely between the four nuts and the four fixing blocks 14 and the holed sleeve blocks 15, and the four locking strips 17 are just stuck on the outside of the four holed sleeve blocks 15, the two strip plates 8 are fixed to one side of the outer wall of the oxidation furnace body 1. When the two sealing strips 7 expand, the two strip plates 8 will not be excessively squeezed, thereby ensuring the sealing between the two strip plates 8 and the oxidation furnace body 1. In addition, the two strip plates 8 are easy to disassemble and assemble, which is convenient for workers to replace the two sealing strips 7, further improving the use effect of the sealing structure of the pre-oxidation furnace body.

[0028] Working principle: First, when the heating element 13 in the oxidation furnace body 1 performs an oxidation reaction on the material in the furnace and generates heat, the sealing strip 7 that contacts one side of the two connecting strips 6 will expand due to the heat. Since the two strip plates 8 are mounted on the four fixing blocks 14 through four hole sleeves 15, and under the action of four bolts 16 and four locking strips 17, the two strip plates 8 are fixed to one side of the oxidation furnace body 1 and are in close contact with the two sealing strips 7. In addition, because the two connecting strips 6 that contact the other side of the two sealing strips 7 are installed on one side of the eight springs 3, and the two connecting strips The eight moving blocks 5 installed on the outer wall all move inside the eight moving grooves 4, so that when the two sealing strips 7 expand, they will not overly squeeze the two strip plates 8, but squeeze the eight springs 3, and the elastic deformation of the eight springs 3 is within the expansion range of the two sealing strips 7, thereby ensuring that no gap is generated between the two strip plates 8 and the oxidation furnace body 1. Generally speaking, when the two sealing strips 7 expand thermally, the sealing effect is still maintained, and the two strip plates 8 are easy to disassemble and assemble, which is convenient for replacing the sealing strips 7, thereby improving the use effect of the sealing structure of the pre-oxidation furnace body.

[0029] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A sealing structure for a pre-oxidation furnace body, characterized in that: The invention comprises an oxidation furnace body (1), wherein one side of the outer wall of the oxidation furnace body (1) is provided with two installation grooves (2), one side of the inner wall of each of the two installation grooves (2) is fixedly provided with four springs (3), the inner surface wall of each of the two installation grooves (2) is provided with four movable grooves (4), the inner surface wall of each of the eight movable grooves (4) is movably embedded with a movable block (5), the four springs (3) form a group, a connecting strip (6) is fixedly provided between one side of the outer wall of each of the two groups of springs (3), and the outer surface walls of the two connecting strips (6) are fixedly connected to one side of the outer wall of each of the eight movable blocks (5), one side of the outer wall of each of the two connecting strips (6) is in contact with a sealing strip (7), and one side of the outer wall of each of the two sealing strips (7) is in contact with a strip plate (8).

2. The sealing structure of a pre-oxidation furnace body according to claim 1, characterized in that: A T-shaped insert strip (9) is fixedly mounted on one side of the outer wall of the two strip plates (8), and two fixing strips (10) are fixedly mounted on the inner surface wall of the oxidation furnace body (1).

3. The sealing structure of a pre-oxidation furnace body according to claim 2, characterized in that: One side of the outer wall of the two fixing strips (10) is provided with a strip-shaped slot (11), and the outer walls of the two T-shaped inserting strips (9) are movably inserted into the two strip-shaped slots (11).

4. The sealing structure of a pre-oxidation furnace body according to claim 3, characterized in that: A placement plate (12) is fixedly mounted on the inner surface wall of the oxidation furnace body (1), and a heating element (13) is arranged at the bottom of the inner wall of the oxidation furnace body (1).

5. The sealing structure of a pre-oxidation furnace body according to claim 4, characterized in that: Four fixing blocks (14) are fixedly mounted on one side of the outer wall of the oxidation furnace body (1), and a sleeve block with a hole (15) is fixedly mounted on one side of the outer wall of the two strip plates (8), and the four fixing blocks (14) are movably inserted inside the four sleeve blocks with a hole (15).

6. The sealing structure of a pre-oxidation furnace body according to claim 5, characterized in that: The inner walls of the four fixed blocks (14) are all threadedly connected with bolts (16), the outer walls of the four bolts (16) are all movably sleeved with locking strips (17), and the bottoms of the four locking strips (17) are in contact with the tops of the four fixed blocks (14), and the bottoms of the four locking strips (17) are in contact with the tops of the four hole-covered sleeve blocks (15).

7. The sealing structure of a pre-oxidation furnace body according to claim 6, characterized in that: A visual door (18) is provided between one side of the outer walls of the two strip plates (8).

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