Protection device for pressure ring of corrugated pipe of submerged arc furnace
By introducing a multi-level buffer structure into the pressure ring of the bellows pipe of the mineral hot furnace, the problem of poor impact buffering of the bellows pipe pressure ring is solved, and effective impact energy absorption and equipment stability are achieved.
Patent Information
- Application Number
- CN202421788985.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The existing bellows pressure rings of mineral hot furnaces lack impact-resistant buffer structure, resulting in direct transmission of external impact force, affecting the stability and service life of the equipment.
A protective device for pressure ring of bellows of mineral furnace is designed, adopting a double-layer structure of pressure outer ring and inner ring, the inner ring is equipped with a buffer cavity and a mounting groove, and the reinforcement components include a positioning shaft and a buffer shaft to form a multi-level buffering and shock absorption system.
Through the multi-level buffer structure, the impact energy is effectively absorbed, and the bellows are protected from damage, which improves the stability and service life of the equipment.
Smart Images
Figure CN223063477U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of submerged arc furnaces, and particularly relates to a protection device for a bellows pressure ring of a submerged arc furnace. Background Technique
[0002] A submerged arc furnace is a commonly used device in ferroalloy production. It produces various ferroalloys by reducing ore with carbon as a reducing agent. During the smelting process of the submerged arc furnace, the electrodes are inserted into the furnace charge, and submerged arc and reduction smelting are carried out by relying on the arc and the resistance arc heat generated after the electric furnace passes through the furnace charge. In this environment, the bellows pressure ring, as an important component, works based on the working principle of oil supply through the bellows to tighten and the bellows retracting when discharging oil. The multi-wave bellows is assembled in a circular or polygonal shell body, made of stainless steel material, and has a water-cooling structure.
[0003] The outer wall of the existing bellows pressure ring of the submerged arc furnace does not have an impact-resistant and buffer structure. Once the outer wall is collided, the impact force is directly transmitted to the bellows pressure ring, which may cause the loosening of its internal structure, affecting the stability and service life of the equipment. Therefore, a protection device for a bellows pressure ring of a submerged arc furnace is proposed. Content of the Utility Model
[0004] (1) Technical Problems to be Solved
[0005] Aiming at the deficiencies of the prior art, the utility model provides a protection device for a bellows pressure ring of a submerged arc furnace, which has the advantages of strong impact resistance and buffering, and solves the problem of poor impact resistance and buffering.
[0006] (2) Technical Solutions
[0007] To achieve the above-mentioned purposes such as strong impact resistance and buffering, the utility model provides the following technical solution: A protection device for a bellows pressure ring of a submerged arc furnace includes a pressure outer ring and a strengthening component, and the strengthening component is arranged inside the pressure outer ring;
[0008] A pressure inner ring is arranged inside the pressure outer ring, an installation groove for installing the bellows is arranged inside the pressure inner ring, and a circle of buffer shafts is arranged at the connection between the pressure outer ring and the pressure inner ring;
[0009] The strengthening component includes a positioning shaft, and the positioning shaft is arranged outside the buffer shaft.
[0010] As a preferred technical solution of the utility model, the pressure outer ring is divided into upper and lower parts, both the upper and lower pressure outer rings are in a circular ring structure, engaging bolts are fixedly installed at the connections of the two pressure outer rings, sealing strips are arranged at the tops of the two pressure outer rings, and sealing thread grooves are arranged on the outer surfaces of the sealing strips.
[0011] As a preferred technical solution of the present utility model, five buffer cavities arranged in a circumferential array are provided on the inner side of the pressure inner ring, and fixing bolts are arranged on both the left and right sides of the five buffer cavities.
[0012] The beneficial effects of the above preferred technical solution are as follows: The design of the buffer cavity not only increases the structural level of the pressure inner ring, but also enhances the overall strength and stiffness through the internal cavity structure. The setting of the fixing bolts ensures the stability of the buffer cavity, prevents it from shifting or deforming during operation, and further improves the reliability and durability of the pressure ring.
[0013] As a preferred technical solution of the present utility model, inner embedding grooves located on both the left and right sides of the buffer cavity are provided on the outer surface of the inner side of the pressure inner ring, and the inner embedding grooves are communicated with the buffer cavity.
[0014] The beneficial effects of the above preferred technical solution are as follows: Through the guidance of the inner embedding grooves, the stress can be better distributed inside the material, reducing the occurrence of stress concentration phenomena and improving the anti-fatigue performance of the material.
[0015] As a preferred technical solution of the present utility model, ten buffer shafts arranged in a circumferential array are provided at the connection between the pressure outer ring and the pressure inner ring, and spring shafts are arranged on the inner sides of the ten buffer shafts.
[0016] The beneficial effects of the above preferred technical solution are as follows: By enhancing the buffering and shock absorption effects, the vibration and impact load during the operation of the pressure ring can be reduced.
[0017] As a preferred technical solution of the present utility model, positioning shafts are fixedly installed on both the left and right sides of the buffer shaft, a telescopic shaft is drivingly installed on the inner side of the positioning shaft, and the telescopic shaft is located on both sides of the buffer shaft.
[0018] The beneficial effects of the above preferred technical solution are as follows: The driving installation of the telescopic shaft helps to balance and disperse the forces in different directions and magnitudes when the pressure ring is subjected to forces, thereby protecting the bellows and other key components from damage.
[0019] (III) Beneficial effects
[0020] Compared with the prior art, the present utility model provides a protection device for the bellows pressure ring of a submerged arc furnace, and has the following beneficial effects:
[0021] In the protection device for the bellows pressure ring of the submerged arc furnace, a multi-level buffer structure is provided in the device, including buffer shafts, buffer cavities, spring shafts and telescopic shafts. These buffer elements cooperate with each other to form an efficient buffering and shock absorption system. When an external impact or internal pressure fluctuation acts on the protection device, these buffer elements can quickly respond and absorb the impact energy to protect the bellows from damage. Brief Description of the Drawings
[0022] Figure 1 is a schematic plan view of the present utility model;
[0023] Figure 2 is a schematic view of the pressure inner ring structure of the present utility model;
[0024] Figure 3 is a schematic view of the positioning shaft structure of the present utility model.
[0025] In the figure: 1, pressure outer ring; 2, pressure inner ring; 3, installation groove; 4, sealing strip; 5, buffer cavity; 6, buffer shaft; 7, positioning shaft; 8, engaging bolt; 9, sealing thread groove; 10, embedded groove; 11, fixing bolt; 12, spring shaft; 13, telescopic shaft. Detailed Description of the Preferred Embodiment
[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0027] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.
[0028] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0029] Please refer to Figures 1-3 , a protection device for the bellows pressure ring of a submerged arc furnace, comprising a pressure outer ring 1 and a reinforcing member, and the reinforcing member is arranged inside the pressure outer ring 1.
[0030] Inside the outer pressure ring 1, there is an inner pressure ring 2. Inside the inner pressure ring 2, there is an installation groove 3 for installing the corrugated pipe. At the connection between the outer pressure ring 1 and the inner pressure ring 2, there is a circle of buffer shafts 6.
[0031] It should be noted that this protection device adopts a double-layer structure design of the outer pressure ring 1 and the inner pressure ring 2, which enhances the overall bearing capacity and stability. This design helps to disperse the pressure, reduce the stress on a single component, and thus extend the service life of the entire device.
[0032] In this embodiment, the outer pressure ring 1 is divided into upper and lower parts. Both the upper and lower outer pressure rings 1 are in a circular ring structure. At the connection of the two outer pressure rings 1, there are fixed engaging bolts 8 installed. On the top of both outer pressure rings 1, there is a sealing strip 4. On the outer surface of the sealing strip 4, there are sealing thread grooves 9.
[0033] It should be noted that by setting the sealing strip 4 on the top of the outer pressure ring 1 and opening the sealing thread grooves 9 on its outer surface, this design improves the sealing performance of the device, effectively prevents the leakage of gas or liquid, and ensures the stability of the internal environment of the submerged arc furnace.
[0034] The outer pressure ring 1 is divided into upper and lower parts and is fixedly installed through the engaging bolts 8. This split design not only facilitates installation and maintenance but also further enhances the sealing effect through the fastening action of the engaging bolts.
[0035] In this embodiment, on the inner side of the inner pressure ring 2, there are five buffer cavities 5 arranged in a circumferential array. On the left and right sides of the five buffer cavities 5, there are fixed bolts 11.
[0036] It should be noted that when the pressure ring is subjected to external impact or internal pressure fluctuation, the five buffer cavities 5 can act as independent buffer units, effectively dispersing and absorbing the impact energy, reducing the direct impact on the pressure ring and the corrugated pipe. The circumferential array distribution of the buffer cavities 5 enables the impact force to be evenly dispersed in multiple directions, thereby improving the stability of the entire pressure ring.
[0037] In this embodiment, on the outer surface of the inner side of the inner pressure ring 2, there are embedded grooves 10 located on the left and right sides of the buffer cavities 5. The embedded grooves 10 are connected to the buffer cavities 5.
[0038] It should be noted that the existence of the embedded grooves 10 increases the contact area between the buffer cavities 5 and the outside world, enabling more materials to participate in the buffer process when subjected to impact, thereby improving the overall buffer effect.
[0039] When an external impact acts on the pressure ring, the impact force can be better dispersed into the buffer cavities 5 through the embedded grooves 10, avoiding the impact force being concentrated on a certain point and causing local damage.
[0040] The reinforcing component includes a positioning shaft 7 , which is arranged on the outside of the buffer shaft 6 .
[0041] In this embodiment, ten buffer shafts 6 in a circular array are arranged at the connection between the pressure outer ring 1 and the pressure inner ring 2 , and spring shafts 12 are arranged inside the ten buffer shafts 6 .
[0042] It should be noted that the buffer shaft 6 and the inner spring shaft 12 cooperate with each other to form a more effective buffering and shock absorption system. When the pressure ring is subjected to external impact or internal pressure fluctuations, the buffer shaft 6 first plays a preliminary buffering role, and then the spring shaft 12 further absorbs and disperses the impact energy through its elastic deformation, thereby protecting the bellows and other key components from damage.
[0043] In this embodiment, positioning shafts are fixedly installed on both the left and right sides of the buffer shaft, and a telescopic shaft 13 is transmission-installed on the inner side of the positioning shaft 7 . The telescopic shaft 13 is located on both sides of the buffer shaft 6 .
[0044] It should be noted that the positioning shaft 7 is arranged on the outside of the buffer shaft 6, forming a multiple support structure for the pressure ring. This design not only enhances the overall stability of the pressure ring, but also can better disperse the stress when subjected to external force to prevent local overload.
[0045] The beneficial effects of the above embodiment are:
[0046] By setting up a multi-level buffer structure in the device, including a buffer shaft 6, a buffer chamber 5, a spring shaft 12 and a telescopic shaft 13, these buffer elements cooperate with each other to form a highly efficient buffer and shock absorption system. When external impact or internal pressure fluctuation acts on the protection device, these buffer elements can respond quickly and absorb the impact energy to protect the bellows from damage.
[0047] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A protection device for the bellows pressure ring of a submerged arc furnace, comprising a pressure outer ring (1) and a strengthening component, the strengthening component being arranged inside the pressure outer ring (1); It is characterized in that: A pressure inner ring (2) is arranged inside the pressure outer ring (1), an installation groove (3) for installing the bellows is arranged inside the pressure inner ring (2), and a circle of buffer shafts (6) is arranged at the connection between the pressure outer ring (1) and the pressure inner ring (2); The strengthening component includes a positioning shaft (7), and the positioning shaft (7) is arranged outside the buffer shaft (6).
2. The protection device for the bellows pressure ring of a submerged arc furnace according to claim 1, wherein: The pressure outer ring (1) is divided into upper and lower parts, both the upper and lower pressure outer rings (1) are in a circular ring structure, engaging bolts (8) are fixedly installed at the connections of the two pressure outer rings (1), sealing strips (4) are arranged at the tops of the two pressure outer rings (1), and sealing thread grooves (9) are formed on the outer surfaces of the sealing strips (4).
3. The protection device for the bellows pressure ring of a submerged arc furnace according to claim 1, characterized in that: Five buffer cavities (5) arranged in a circumferential array are formed inside the pressure inner ring (2), and fixing bolts (11) are arranged on the left and right sides of the five buffer cavities (5).
4. The protection device for the bellows pressure ring of a submerged arc furnace according to claim 3, characterized in that: Inner embedding grooves (10) located on the left and right sides of the buffer cavities (5) are formed on the outer surface of the inner side of the pressure inner ring (2), and the inner embedding grooves (10) communicate with the buffer cavities (5).
5. The protection device for the bellows pressure ring of a submerged arc furnace according to claim 1, wherein: Ten buffer shafts (6) arranged in a circumferential array are arranged at the connection between the pressure outer ring (1) and the pressure inner ring (2), and a spring shaft (12) is arranged inside the ten buffer shafts (6).
6. The protection device for the bellows pressure ring of a submerged arc furnace according to claim 1, wherein: Positioning shafts (7) are fixedly installed on the left and right sides of the buffer shaft (6), a telescopic shaft (13) is drivingly installed inside the positioning shaft (7), and the telescopic shaft (13) is located on both sides of the buffer shaft (6).