Explosion-proof device for closed electric furnace
By designing explosion-proof devices on the closed electric furnace, using the cylinder to push the sealing cover away from the inner wall, releasing pressure, preventing explosions, and quickly releasing harmful gases, the problems of explosion risks and environmental pollution during the use of the closed electric furnace are solved, and safety and environmental protection are improved.
Patent Information
- Application Number
- CN202421409642.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-06-19
AI Technical Summary
During use, the closed electric furnace has high internal temperature, which poses a safety hazard of explosion, and it is difficult to quickly release harmful gases in an accident, resulting in environmental pollution.
An explosion-proof device for sealed electric furnace is designed, including a fixed connection of the cylinder on the upper surface of the sealed furnace body, a connecting block with the output end of the cylinder, a rotating connection of the sealing cover plate, a fixed connection of the bottom of the sealing cover plate, and a rotating connection of the rotating ring on the surface of the fixed shaft. Through the push of the cylinder, the pressure is released, the explosion is prevented, and harmful gases are quickly released in the event of an accident.
Effectively prevent explosions or fires inside sealed electric furnaces, protect the safety of operators and equipment, and quickly release harmful gases in unexpected situations, reduce environmental pollution, and meet environmental protection requirements.
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Figure CN222865622U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of explosion-proof devices, in particular to an explosion-proof device for a closed electric furnace. Background Art
[0002] A sealed electric furnace is a special type of electric furnace, which is characterized by a closed furnace chamber and is usually used in specific experimental and production environments. The design of this type of electric furnace allows it to effectively control the heating environment, prevent heat loss, and also avoid the leakage of harmful gases or dust generated during the experiment.
[0003] In the existing technology, since the closed electric furnace has a high internal temperature during use, it may explode during use, and there will be certain safety hazards during long-term use. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides an explosion-proof device for a closed electric furnace.
[0005] The utility model is implemented by the following technical scheme: an explosion-proof device for a closed electric furnace, comprising a closed furnace body, the upper surface of the closed furnace body is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a connecting block, the surface of the connecting block is rotatably connected to a sealing cover plate, the bottom of the sealing cover plate is fixedly connected to a fixed shaft, and the surface of the fixed shaft is rotatably connected to a rotating ring.
[0006] As a further improvement of the above solution, the number of the cylinders is two, and the two cylinders are located at the left and right ends of the upper surface of the closed furnace body.
[0007] As a further improvement of the above solution, the surface of the sealing cover plate is matched with the inner wall of the closed furnace body, the inner side of the rotating ring is fixedly connected to one end of the closed furnace body, and the connecting block is located above the rotating ring.
[0008] Through the above technical solution, by setting up a cylinder and pushing the cylinder, the pressure can be released more quickly to prevent explosion and protect the safety of operators and equipment. It can also quickly release harmful gases in the event of an accident, reduce pollution to the environment, and meet environmental protection requirements.
[0009] As a further improvement of the above scheme, an exhaust pipe is opened on the upper surface of the closed furnace body, a valve is arranged on the surface of the exhaust pipe, a lower fixed plate is fixedly connected to the upper surface of the closed furnace body, an upper fixed plate is fixedly connected to the upper surface of the lower fixed plate, a threaded rod is rotatably connected to the inner wall of the upper fixed plate, a rotating handle is fixedly connected to the upper surface of the threaded rod, a spring is rotatably connected to the upper surface of the lower fixed plate, and a sealing rubber ring is fixedly connected to the bottom of the threaded rod.
[0010] As a further improvement of the above solution, the threaded rod passes through the inner walls of the upper fixing plate and the lower fixing plate, the spring is located below the upper fixing plate, and the sealing rubber ring is rotatably connected to the inner wall of the closed furnace body.
[0011] As a further improvement of the above solution, the bottom of the enclosed furnace body is fixedly connected to a base, the inner wall of the enclosed furnace body is slidably connected to a sealing plate, and one end of the sealing plate is fixedly connected to a handle.
[0012] As a further improvement of the above solution, the handle is located above the base.
[0013] Through the above technical solution, by setting the sealing plate and by the sliding setting of the sealing plate and the sealing furnace body, the sealing plate can be slid better and the sealing furnace body can be opened and closed more conveniently.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] The utility model is provided with a pulling handle, and the user can pull the handle to make the sealing plate connected with the handle slide on the inner wall of the closed furnace body, so as to open the inside of the closed furnace body. When closing, just pull the handle in the opposite direction. An exhaust pipe is arranged above it, and the gas inside can be discharged through the valve. It is simpler to use and easy to operate. During use, the inside of the closed furnace body will have a higher temperature, and there will be a risk of explosion during use. Cylinders are symmetrically arranged above the closed furnace body, and the front connecting blocks are pushed by the cylinders, and the surface of the connecting blocks will make the sealing cover plate rotate on its surface. Since a fixed shaft is arranged below the sealing cover plate, and the fixed shaft rotates inside the rotating ring connected to the closed furnace body, it is formed that the sealing cover plate can be pushed by the cylinder and away from the inner wall of the closed furnace body, so that when the internal temperature is too high, the two sides of the closed furnace body can be opened to release the pressure, prevent explosion, and protect the safety of operators and equipment. It can also quickly release harmful gases in the event of an accident, reduce pollution to the environment, and meet environmental protection requirements.
[0016] The utility model provides a rotating handle, and a rotating handle is provided on the top. By rotating the rotating handle, the threaded rod is rotated on the inner walls of the upper fixed plate and the lower fixed plate, so that the sealing rubber ring is rotated on the inner wall of the closed furnace body, and the closed furnace body can be sealed or the internal gas can be discharged. Manual intervention can be performed. The device can effectively prevent explosions or fires generated inside the electric furnace and protect the safety of users and the surrounding environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the closed furnace body of the utility model;
[0019] Figure 3 This is a schematic diagram of the sealing plate structure of the utility model;
[0020] Figure 4 This is an exploded schematic diagram of the sealing cover structure of the utility model;
[0021] Figure 5 This is a schematic diagram of the spring structure of the utility model.
[0022] Description of main symbols:
[0023] 1. Sealed furnace body; 2. Sealing plate; 3. Base; 4. Handle; 5. Exhaust pipe; 6. Valve; 7. Cylinder; 8. Connecting block; 9. Sealing cover plate; 10. Fixed shaft; 11. Rotating ring; 12. Rotating handle; 13. Upper fixed plate; 14. Threaded rod; 15. Spring; 16. Sealing rubber ring; 17. Lower fixed plate. DETAILED DESCRIPTION
[0024] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.
[0025] Example:
[0026] Please combine Figure 1-5 The explosion-proof device for a closed electric furnace in this embodiment includes a closed furnace body 1, a cylinder 7 is fixedly connected to the upper surface of the closed furnace body 1, a connecting block 8 is fixedly connected to the output end of the cylinder 7, a sealing cover plate 9 is rotatably connected to the surface of the connecting block 8, a fixed shaft 10 is fixedly connected to the bottom of the sealing cover plate 9, and a rotating ring 11 is rotatably connected to the surface of the fixed shaft 10.
[0027] There are two cylinders 7 , which are located at left and right ends of the upper surface of the closed furnace body 1 .
[0028] The surface of the sealing cover plate 9 is matched with the inner wall of the closed furnace body 1 , the inner side of the rotating ring 11 is fixedly connected to one end of the closed furnace body 1 , and the connecting block 8 is located above the rotating ring 11 .
[0029] An exhaust pipe 5 is provided on the upper surface of the closed furnace body 1, and a valve 6 is provided on the surface of the exhaust pipe 5. A lower fixed plate 17 is fixedly connected to the upper surface of the closed furnace body 1, and an upper fixed plate 13 is fixedly connected to the upper surface of the lower fixed plate 17. A threaded rod 14 is rotatably connected to the inner wall of the upper fixed plate 13, and a rotating handle 12 is fixedly connected to the upper surface of the threaded rod 14. A spring 15 is rotatably connected to the upper surface of the lower fixed plate 17, and a sealing rubber ring 16 is fixedly connected to the bottom of the threaded rod 14.
[0030] The threaded rod 14 passes through the inner walls of the upper fixing plate 13 and the lower fixing plate 17 , the spring 15 is located below the upper fixing plate 13 , and the sealing rubber ring 16 is rotatably connected to the inner wall of the closed furnace body 1 .
[0031] The bottom of the sealed furnace body 1 is fixedly connected with a base 3 , the inner wall of the sealed furnace body 1 is slidably connected with a sealing plate 2 , and one end of the sealing plate 2 is fixedly connected with a handle 4 .
[0032] The handle 4 is located above the base 3 .
[0033] The implementation principle of an explosion-proof device for a closed electric furnace in the embodiment of the present application is as follows: the user can pull the handle 4 to make the sealing plate 2 connected to the handle 4 slide on the inner wall of the closed furnace body 1, thereby opening the inside of the closed furnace body 1. When closing, just pull the handle 4 in the opposite direction. An exhaust pipe 5 is arranged above it, and the internal gas can be discharged through the valve 6. It is simpler to use and easy to operate. During use, the inside of the closed furnace body 1 will have a higher temperature, and there will be a risk of explosion during use. Cylinders 7 are symmetrically arranged above the closed furnace body 1, and the front connecting block 8 is pushed by the cylinder 7, and the surface of the connecting block 8 will cause the sealing cover plate 9 to rotate on its surface. Since a fixed shaft 10 is arranged below the sealing cover plate 9, and the fixed shaft 10 is connected to the closed furnace body 1 The connected rotating ring 11 rotates internally, so that the sealing cover plate 9 can be pushed away from the inner wall of the closed furnace body 1 by the cylinder 7, so that when the internal temperature is too high, the two sides of the closed furnace body 1 can be opened to release the pressure, prevent explosion, and protect the safety of operators and equipment. It can also quickly release harmful gases in the event of an accident to reduce pollution to the environment, meeting environmental protection requirements. A rotating handle 12 is provided on the top. By rotating the rotating handle 12, the threaded rod 14 rotates on the inner walls of the upper fixed plate 13 and the lower fixed plate 17, so that the sealing rubber ring 16 rotates on the inner wall of the closed furnace body 1, and the closed furnace body 1 can be sealed or the internal gas can be discharged. Manual intervention can be performed. The device can effectively prevent explosions or fires inside the electric furnace and protect the safety of users and the surrounding environment.
[0034] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.
Claims
1. An explosion-proof device for a closed electric furnace, characterized in that: The invention comprises a sealed furnace body (1), wherein the upper surface of the sealed furnace body (1) is fixedly connected to a cylinder (7), the output end of the cylinder (7) is fixedly connected to a connection block (8), the surface of the connection block (8) is rotatably connected to a sealing cover plate (9), the bottom of the sealing cover plate (9) is fixedly connected to a fixed shaft (10), and the surface of the fixed shaft (10) is rotatably connected to a rotating ring (11).
2. An explosion-proof device for a closed electric furnace as claimed in claim 1, characterized in that: The number of the cylinders (7) is two, and the two cylinders (7) are located at the left and right ends of the upper surface of the closed furnace body (1).
3. The explosion-proof device for a closed electric furnace according to claim 1, characterized in that: The surface of the sealing cover plate (9) is matched with the inner wall of the sealed furnace body (1), the inner side of the rotating ring (11) is fixedly connected to one end of the sealed furnace body (1), and the connecting block (8) is located above the rotating ring (11).
4. The explosion-proof device for a closed electric furnace according to claim 1, characterized in that: An exhaust pipe (5) is provided on the upper surface of the sealed furnace body (1), a valve (6) is provided on the surface of the exhaust pipe (5), a lower fixing plate (17) is fixedly connected to the upper surface of the sealed furnace body (1), an upper fixing plate (13) is fixedly connected to the upper surface of the lower fixing plate (17), a threaded rod (14) is rotatably connected to the inner wall of the upper fixing plate (13), a rotating handle (12) is fixedly connected to the upper surface of the threaded rod (14), a spring (15) is rotatably connected to the upper surface of the lower fixing plate (17), and a sealing rubber ring (16) is fixedly connected to the bottom of the threaded rod (14).
5. An explosion-proof device for a closed electric furnace as claimed in claim 4, characterized in that: The threaded rod (14) passes through the inner walls of the upper fixing plate (13) and the lower fixing plate (17), the spring (15) is located below the upper fixing plate (13), and the sealing rubber ring (16) is rotatably connected to the inner wall of the closed furnace body (1).
6. The explosion-proof device for a closed electric furnace according to claim 1, characterized in that: The bottom of the sealed furnace body (1) is fixedly connected to a base (3), the inner wall of the sealed furnace body (1) is slidably connected to a sealing plate (2), and one end of the sealing plate (2) is fixedly connected to a handle (4).
7. An explosion-proof device for a closed electric furnace as claimed in claim 6, characterized in that: The handle (4) is located above the base (3).