Pressure ring device for corrugated pipe of submerged arc furnace

Abstract

The utility model relates to the technical field of submerged arc furnace pressure rings, and discloses a submerged arc furnace corrugated pipe pressure ring device which comprises a pressure ring shell, corrugated pipes, copper tiles and a jacking assembly, the corrugated pipes are located on the two sides of the outer side of the pressure ring shell, the copper tiles are located on the inner side of the pressure ring shell, and the jacking assembly is located between the corrugated pipes on the two sides of the top and the bottom. The jacking assembly comprises mounting seats located on the two sides of the outer side of the pressure ring shell, a vertically-arranged rotating plate is arranged on the side, away from the pressure ring shell, of each mounting seat, a telescopic air cylinder is arranged at the other end of each mounting seat, a vertically-arranged swing rod is arranged at the other end of each telescopic air cylinder, and jacking shells are arranged on the two sides of the top and the two sides of the bottom of each swing rod. According to the pressure ring device for the corrugated pipe of the submerged arc furnace, the convenience and stability of operation of the device are improved through the use of the jacking assembly, and uniform holding of the copper tile to an electrode is ensured through control of the telescopic air cylinder in combination with vertical force application of the swing rod and buffering design of the reset spring.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure rings for submerged arc furnaces, in particular to a pressure ring device for a bellows of a submerged arc furnace. Background Art

[0002] The bellows pressure ring device of the submerged arc furnace is a device widely used in submerged arc furnaces. Its common structure includes pressure ring shell, bellows, copper tiles and tightening components.

[0003] At present, the tightening assembly of the existing submerged arc furnace bellows pressure ring device is often composed of multiple parts, which relies more on manual adjustment of the tightening force, making it difficult to achieve precise control. In addition, some devices lack an effective feedback mechanism when adjusting the tightening force, and the operator cannot intuitively understand the current tightening force state. Therefore, the utility model provides a submerged arc furnace bellows pressure ring device. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a bellows pressure ring device for an electric arc furnace, which has the advantages of stable fixation and good cooling effect, and solves the problems of unstable fixation and poor cooling effect.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of stable fixation and good cooling effect, the utility model provides the following technical solutions:

[0008] A bellows pressure ring device for an electric arc furnace comprises a pressure ring shell, a bellows, a copper tile, and a tightening assembly. The bellows are located on both sides of the outer side of the pressure ring shell, the copper tile is located on the inner side of the pressure ring shell, and the tightening assembly is located between the bellows on the top and bottom sides.

[0009] The tightening assembly includes mounting seats located on both sides of the outer side of the pressure ring shell, a vertically arranged rotating plate is provided on the side of the mounting seat away from the pressure ring shell, a telescopic cylinder is provided at the other end of the mounting seat, a vertically arranged swing rod is provided at the other end of the telescopic cylinder, and a tightening shell is provided on both sides of the top and bottom of the swing rod.

[0010] As a preferred technical solution of the utility model, a clamping rod is provided on the side of the clamping shell away from the pressure ring shell, a return spring is provided at the connection between the clamping rod and the clamping shell, symmetrically arranged sliding grooves are provided on both sides of the top and bottom of the clamping rod, a mounting frame is provided at the other end of the clamping rod, and a clamping block is provided inside the mounting frame.

[0011] As a preferred technical solution of the utility model, a movable plate is provided at the connection between the rotating plate and the outer side of the pressure ring shell. The movable plate is fixed to one side of the outer side of the pressure ring shell by bolts, and the rotating plate is hingedly connected to the movable plate.

[0012] As a preferred technical solution of the utility model, a plurality of lifting ears are distributed on the circumference of the top of the pressure ring shell, and a hanging ear is distributed on the circumference of the top of the copper shoe.

[0013] As an optimal technical solution of the utility model, a bellows expansion groove is provided on the side of the bellows away from the pressure ring shell, cooling pipes are provided on the top and bottom sides of the bellows, and the cooling pipe water inlet is located on one side of the bottom of the bellows.

[0014] As a preferred technical solution of the utility model, a cavity is provided in the pressure ring shell, the cavity is connected to the cooling pipe, and the cavity is divided into an upper cavity and a lower cavity, which are respectively located on the top and bottom sides of the pressure ring shell.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a submerged arc furnace bellows pressure ring device, which has the following beneficial effects:

[0017] The bellows pressure ring device of the submerged arc furnace improves the convenience and stability of the device operation through the use of the tightening assembly. Through the control of the telescopic cylinder, combined with the vertical force of the swing rod and the buffer design of the return spring, it ensures that the copper tile holds the electrode evenly. At the same time, the slide groove and the mounting frame improve the adaptability of the device to different electrodes and enhance the overall stability. In addition, the cooling pipe is connected to the cavity in the pressure ring shell, and the cooling effect is further enhanced through the upper cavity and the lower cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the top of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the bellows and the tightening assembly of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the tightening component of the utility model.

[0021] In the figure: 1. pressure ring housing; 2. bellows; 3. copper tile; 4. mounting seat; 5. rotating plate; 6. telescopic cylinder; 7. swing rod; 8. tightening housing; 9. tightening rod; 10. return spring; 11. slide groove; 12. mounting frame; 13. tightening block; 14. moving plate; 15. lifting ear; 16. hanging ear; 17. bellows telescopic groove; 18. cooling pipe; 19. cavity. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] See also Figure 1-3 ,

[0026] Embodiment 1: A bellows pressure ring device for a submerged arc furnace, comprising a pressure ring housing 1, a bellows 2, a copper tile 3, and a tightening assembly, wherein the bellows 2 are located on both sides of the outer side of the pressure ring housing 1, the copper tile 3 is located on the inner side of the pressure ring housing 1, and the tightening assembly is located between the bellows 2 on both sides of the top and bottom;

[0027] It should be noted that: the pressure ring shell 1, as the main structure of the entire device, bears and transmits the pressure from the electrode and the bellows, while protecting the internal components from the influence of the external environment; the bellows 2 has good elasticity and scalability, can adapt to the thermal expansion of the electrode during the heating process, and plays a role in sealing and heat insulation; the copper washer 3 is used to directly clamp the electrode, and maintains a uniform clamping force on the electrode through the tightening assembly to ensure the stable transmission of current.

[0028] The tightening assembly includes mounting seats 4 located on both sides of the outer side of the pressure ring shell 1. The mounting seats 4 provide an installation basis for the tightening assembly to ensure the stable connection of the various components. A vertically arranged rotating plate 5 is provided on the side of the mounting seat 4 away from the pressure ring shell 1. The movable plate 5 is connected to the mounting seat 4 to realize the direction adjustment of the tightening force. A telescopic cylinder 6 is provided at the other end of the mounting seat 4. The telescopic cylinder 6 serves as a power source. The magnitude of the tightening force is controlled through telescopic movement to realize the tightening and loosening of the copper washer 3 on the electrode. A vertically arranged swing rod 7 is provided at the other end of the telescopic cylinder 6. The swing rod 7 converts the linear motion of the telescopic cylinder 6 into a tightening force in a vertical direction to ensure that the tightening force acts vertically on the copper washer 3. Tightening shells 8 are provided on the top and bottom sides of the swing rod 7. The tightening shells 8 provide protection to ensure the smooth progress of the tightening process.

[0029] In this embodiment, a tightening rod 9 is provided on one side of the tightening shell 8 away from the pressure ring shell 1. The tightening rod 9 directly acts on the copper shoe 3 to achieve the clamping of the electrode through its telescopic movement. A reset spring 10 is provided at the connection between the tightening rod 9 and the tightening shell 8. The reset spring 10 provides a buffering effect to prevent damage to components caused by over-tightening and helps the tightening rod 9 to reset when loosened. A symmetrically arranged slide groove 11 is provided on both sides of the top and bottom of the tightening rod 9. A mounting frame 12 is provided at the other end of the tightening rod 9, and a tightening spring 10 is provided inside the mounting frame 12. The top clamping block 13 is provided with a movable plate 14 at the connection between the rotating plate 5 and the outer side of the pressure ring housing 1, and the movable plate 14 provides a hinge point for the rotating plate 5 to ensure that the direction of the clamping force is adjustable.

[0030] It should be noted that the moving plate 14 is fixed to one side of the outer side of the pressure ring housing 1 by bolts, and the rotating plate 5 is hingedly connected to the moving plate 14 .

[0031] In this embodiment, a plurality of lifting ears 15 are distributed circumferentially on the top of the pressure ring shell 1, and the lifting ears 15 are used to lift and fix the entire device. A plurality of hanging ears 16 are distributed circumferentially on the top of the copper washer 3, and the hanging ears 16 cooperate with the lifting ears 15 or other lifting equipment to assist the installation and removal of the copper washer 3.

[0032] Embodiment 2: The bellows 2 also includes a bellows expansion groove 17 on the side away from the pressure ring housing 1. The bellows expansion groove 17 provides additional expansion space for the bellows 2 to accommodate the thermal expansion of the electrode. Cooling pipes 18 are provided on both sides of the top and bottom of the bellows 2. The cooling pipes 18 reduce the temperature of the bellows 2 and its surrounding components by circulating cooling water to prevent overheating damage. The water inlet of the cooling pipe 18 is located on one side of the bottom of the bellows 2, and the water inlet provides a cooling water source for the cooling system.

[0033] In this embodiment, a cavity 19 is provided in the pressure ring housing 1, and the cavity 19 is connected to the cooling pipe 18 to form a cooling water circulation channel to enhance the cooling effect.

[0034] It should be noted that the cavity 19 is connected to the cooling pipe 18 , and the cavity 19 is divided into an upper cavity and a lower cavity, which are located at the top and bottom sides of the pressure ring housing 1 respectively.

[0035] Beneficial effects of the above embodiments:

[0036] The bellows pressure ring device of the electric arc furnace improves the convenience and stability of the device operation through the use of the jacking assembly. Through the control of the telescopic cylinder 6, combined with the vertical force of the swing rod 7 and the buffer design of the return spring 10, it ensures that the copper tile holds the electrode evenly. At the same time, the slide groove 11 and the mounting frame 12 improve the adaptability of the device to different electrodes and enhance the overall stability. In addition, the cooling pipe 18 is connected to the cavity 19 in the pressure ring housing 1, and the cooling effect is further enhanced through the upper cavity and the lower cavity.

[0037] Although 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 bellows pressure ring device for an electric arc furnace, comprising a pressure ring housing (1), a bellows (2), a copper tile (3), and a tightening assembly, wherein the bellows (2) is located on both sides of the outer side of the pressure ring housing (1), the copper tile (3) is located on the inner side of the pressure ring housing (1), and the tightening assembly is located between the bellows (2) on both sides of the top and bottom; Features: The clamping assembly comprises mounting seats (4) located on both sides of the outer side of the pressure ring shell (1); a vertically arranged rotating plate (5) is provided on the side of the mounting seat (4) away from the pressure ring shell (1); a telescopic cylinder (6) is provided at the other end of the mounting seat (4); a vertically arranged swing rod (7) is provided at the other end of the telescopic cylinder (6); and a clamping shell (8) is provided on both sides of the top and bottom of the swing rod (7).

2. The bellows pressure ring device for a submerged arc furnace according to claim 1, characterized in that: A clamping rod (9) is provided on the side of the clamping shell (8) away from the pressure ring shell (1), a return spring (10) is provided at the connection between the clamping rod (9) and the clamping shell (8), symmetrically arranged sliding grooves (11) are provided on both sides of the top and bottom of the clamping rod (9), a mounting frame (12) is provided at the other end of the clamping rod (9), and a clamping block (13) is provided inside the mounting frame (12).

3. The bellows pressure ring device for a submerged arc furnace according to claim 1, characterized in that: A movable plate (14) is provided at the connection between the rotating plate (5) and the outer side of the pressure ring housing (1); the movable plate (14) is fixed to one side of the outer side of the pressure ring housing (1) by bolts; and the rotating plate (5) is hingedly connected to the movable plate (14).

4. The bellows pressure ring device for a submerged arc furnace according to claim 1, characterized in that: A plurality of lifting ears (15) are distributed around the top circumference of the pressure ring shell (1), and a plurality of hanging ears (16) are distributed around the top circumference of the copper shoe (3).

5. The bellows pressure ring device for a submerged arc furnace according to claim 1, characterized in that: A bellows expansion groove (17) is provided on the side of the bellows (2) away from the pressure ring housing (1), cooling pipes (18) are provided on both sides of the top and bottom of the bellows (2), and a water inlet of the cooling pipe (18) is located on one side of the bottom of the bellows (2).

6. The bellows pressure ring device for a submerged arc furnace according to claim 5, characterized in that: A cavity (19) is provided in the pressure ring housing (1), and the cavity (19) is connected to the cooling pipe (18). The cavity (19) is divided into an upper cavity and a lower cavity, which are respectively located on the top and bottom sides of the pressure ring housing (1).

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