Safety protection device for aluminum electrolysis intermediate frequency furnace

Abstract

The utility model discloses a safety protection device for an aluminum electrolysis intermediate frequency furnace, which belongs to the technical field of safety protection and comprises a protection box and a protection component, the protection box is sleeved outside the intermediate frequency furnace, a top opening and a side operation opening are respectively formed at the top and on the side surface of the protection box, and the top opening and a top furnace mouth of the intermediate frequency furnace are correspondingly arranged up and down; a protection assembly is installed on the top opening and comprises an electric push rod and movable baffles, and the two movable baffles cover the top opening. The intermediate frequency furnace protection device has the advantages that the intermediate frequency furnace is sleeved with the protection box of the intermediate frequency furnace protection device so that safety protection can be achieved, workers can be prevented from making direct contact with the surface of the intermediate frequency furnace, and the workers can normally operate and control the intermediate frequency furnace through the side operation opening and the top opening of the protection box; the movable baffle can be controlled by the electric push rod to seal the top opening, molten steel in the intermediate frequency furnace is prevented from splashing, and safety is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of safety protection, and in particular to a safety protection device for an aluminum electrolysis medium-frequency furnace. Background Art

[0002] A medium frequency furnace is a power supply device that converts 50Hz AC power into medium frequency (300Hz to 1000Hz). It rectifies the three-phase AC power into DC power, and then converts the DC power into an adjustable medium frequency current. It supplies the medium frequency alternating current flowing through the capacitor and induction coil, generating high-density magnetic lines in the induction coil, cutting the metal material contained in the induction coil, and generating large eddy currents in the metal material.

[0003] During the daily operation of the medium-frequency furnace for aluminum electrolysis, there are safety risks around the medium-frequency furnace. The molten steel inside the furnace is easily splashed to the outside. There is a lack of temperature safety warning structure and high-temperature protection structure. Its safety and practicality need to be further improved. At the same time, the utility model patent with announcement number CN215832455U discloses a medium-frequency furnace top protection device, including a frame and a medium-frequency furnace body vertically rotatably mounted on the frame. Two protective covers for covering the open end of the medium-frequency furnace body are symmetrically and vertically rotatably mounted on the medium-frequency furnace body. One side of the two protective covers is provided with a through groove for the outflow of molten steel. One side of the protective cover is hinged with a hinged rod, and a sliding block is vertically slidably mounted on one side of the medium-frequency furnace body. There is a lack of temperature safety warning structure and high-temperature protection structure. Its safety and practicality need to be further improved. Utility Model Content

[0004] In order to overcome the safety risks around the medium frequency furnace in the prior art, the molten steel inside the furnace is easily splashed to the outside, there is a lack of temperature safety warning structure and high-temperature protection structure, and its safety and practicality need to be further improved. The utility model provides a safety protection device for an aluminum electrolysis medium frequency furnace, including a protection box and a protection component. The protection box is mounted on the outside of the medium frequency furnace, and the top and side of the protection box are respectively formed with a top opening and a side operation port. The top opening is arranged correspondingly to the top furnace port of the medium frequency furnace, and the protection component is installed on the top opening. The protection component includes an electric push rod and a movable baffle. Two electric push rods are symmetrically installed on both sides of the top opening, and the movable ends of the two electric push rods are respectively connected to two movable baffles, and the two movable baffles are covered on the top opening.

[0005] The protective box of the device can be placed on the outside of the medium frequency furnace for safety protection, which can prevent workers from directly contacting the surface of the medium frequency furnace. Workers can perform normal operation and control of the medium frequency furnace through the side operation ports and top opening of the protective box. The protective component set at the top opening can control the movable baffle through the electric push rod to close the top opening, avoiding splashing of molten steel in the medium frequency furnace and further improving safety.

[0006] Preferably, the protection box is made of stainless steel, and a protection reinforcement plate is provided on the outside of the protection box.

[0007] Preferably, a temperature safety warning component is installed on the protective box, and the temperature safety warning component includes a temperature detector and an alarm. A control box is installed on one side of the protective box, and an alarm is installed on the top of the control box. A temperature detector is installed on the inner wall of the protective box at a position corresponding to the control box, and the temperature detector is electrically connected to the alarm.

[0008] Through the temperature safety warning component installed on the protective box, the temperature from the inside of the protective box to the surface of the medium frequency furnace can be monitored by a temperature detector. In abnormal conditions, an alarm can be sounded through the alarm to remind the staff to deal with it in time, further improving the safety warning effect of the device.

[0009] Preferably, the area of ​​the two movable baffles after being spliced ​​together is larger than the area of ​​the top opening, and tracks are provided on both sides of the top opening to facilitate the movement of the two movable baffles.

[0010] Preferably, the movable baffle is made of a high-temperature resistant material, and a buffer plate is provided on opposite sides of the two movable baffles.

[0011] Preferably, the inner wall of the protective box is provided with a flame retardant layer, and the outer surface of the flame retardant layer is provided with a high temperature resistant coating.

[0012] By setting a protective reinforcement plate on the outside of the protective box, the strength of the protective box can be improved, making it less prone to damage. By setting a high-temperature resistant coating on the inside of the protective box, the high-temperature resistance performance can be improved to avoid damage by the high temperature of the medium-frequency furnace.

[0013] Preferably, a heat insulating pad is provided on the outer surface of the protective box.

[0014] Preferably, warning lights are respectively provided at the four corners of the top of the protective box.

[0015] Preferably, a detachable inspection panel is provided on the back of the protection box and on the side away from the control box respectively.

[0016] The detachable inspection panel can be opened to facilitate comprehensive inspection and maintenance of the intermediate frequency furnace.

[0017] Beneficial effects:

[0018] The beneficial effects produced by adopting the technical solution of this utility model are as follows:

[0019] (1) The protective box of the device can be placed outside the medium frequency furnace for safety protection, which can prevent the staff from directly contacting the surface of the medium frequency furnace. The staff can perform normal operation and control of the medium frequency furnace through the side operation port and the top opening of the protective box. The protective component set through the top opening can control the movable baffle to close the top opening through the electric push rod to avoid the splash of molten steel in the medium frequency furnace, thereby further improving safety.

[0020] (2) Through the temperature safety warning component installed on the protective box, the temperature from the inside of the protective box to the surface of the medium frequency furnace can be monitored by a temperature detector. In abnormal conditions, an alarm can be sounded through the alarm to remind the staff to deal with it in time, further improving the safety warning effect of the device.

[0021] (3) By setting a protective reinforcement plate on the outside of the protective box, the strength of the protective box can be improved, making it less prone to damage. By setting a high-temperature resistant coating on the inside of the protective box, the high-temperature resistance performance can be improved to avoid damage by the high temperature of the medium frequency furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model's safety protection device for aluminum electrolysis medium-frequency furnace;

[0024] Figure 2 This is a schematic diagram of the connection structure of the safety protection device for the aluminum electrolysis medium frequency furnace of the utility model;

[0025] Figure 3 This is a top view of the structural diagram of the safety protection device for the aluminum electrolysis medium frequency furnace of the utility model;

[0026] Figure 4 This is a schematic diagram of the connection structure of the movable baffle on the safety protection device of the aluminum electrolysis medium frequency furnace of the utility model;

[0027] Figure 5 The utility model is a schematic diagram of the internal structure of the upper protection box of the safety protection device of the aluminum electrolysis medium frequency furnace.

[0028] In the figure: 1. Medium frequency furnace; 2. Protection box; 3. Side operation port; 4. Protection component; 5. Temperature detector; 6. Warning light; 7. Control box; 8. Alarm; 9. Electric push rod; 10. Movable baffle; 11. Top opening; 12. Protection reinforcement plate; 13. Insulation pad; 14. Flame retardant layer; 15. High temperature resistant coating; 16. Buffer plate; 17. Track. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] This embodiment provides safety protection by placing the protective box of the device on the outside of the medium frequency furnace, which can prevent workers from directly contacting the surface of the medium frequency furnace. Workers can perform normal operation and control of the medium frequency furnace through the side operation port and top opening of the protective box. The protective component set at the top opening can control the movable baffle to close the top opening through the electric push rod to prevent molten steel from splashing in the medium frequency furnace, further improving safety. The specific implementation is as follows:

[0031] like Figures 1 to 5 As shown, a safety protection device for an aluminum electrolysis medium frequency furnace includes a protection box 2 and a protection assembly 4. The protection box 2 is sleeved on the outside of the medium frequency furnace 1. The top and side of the protection box 2 are respectively formed with a top opening 11 and a side operation port 3. The top opening 11 is arranged correspondingly to the top furnace port of the medium frequency furnace 1. The protection assembly 4 is installed on the top opening 11. The protection assembly 4 includes an electric push rod 9 and a movable baffle 10. Two electric push rods 9 are symmetrically installed on both sides of the top opening 11. The movable ends of the two electric push rods 9 are respectively connected to two movable baffles 10, and the two movable baffles 10 are covered on the top opening 11. The protection box 2 of the device is sleeved on the outside of the medium frequency furnace 1 to provide safety protection, which can prevent staff from directly contacting the surface of the medium frequency furnace 1. The staff can perform normal operation and control of the medium frequency furnace 1 through the side operation port 3 and the top opening 11 of the protection box 2. The protection assembly 4 set through the top opening 11 can control the movable baffle 10 through the electric push rod 9 to close the top opening 11, thereby preventing molten steel from splashing in the medium frequency furnace 1 and further improving safety.

[0032] The material of the protection box 2 is stainless steel, and a protection reinforcement plate 12 is provided on the outside of the protection box 2. The protection reinforcement plate 12 provided on the outside of the protection box 2 can improve the strength of the protection box 2 and make it less prone to damage.

[0033] The protective box 2 is equipped with a temperature safety warning component, which includes a temperature detector 5 and an alarm 8. A control box 7 is installed on one side of the protective box 2, and an alarm 8 is installed on the top of the control box 7. The temperature detector 5 is installed at the corresponding position of the inner wall of the protective box 2 and the control box 7. The temperature detector 5 is electrically connected to the alarm 8. Through the temperature safety warning component set on the protective box 2, the temperature from the inside of the protective box 2 to the surface of the medium frequency furnace 1 can be monitored by the temperature detector 5. In an abnormal state, an alarm can be sounded by the alarm 8 to remind the staff to deal with it in time, which further improves the safety warning effect of the device. The monitoring end of the temperature detector 5 is set between the inside of the protective box 2 and the medium frequency furnace 1. The control box 7 is also provided with a display connected to the temperature detector 5, which can display temperature data.

[0034] The area of ​​the two movable baffles 10 after splicing is larger than the area of ​​the top opening 11, and tracks 17 are provided on both sides of the top opening 11 to facilitate the movement of the two movable baffles 10. The provision of the tracks 17 can improve the stability of the movement of the two movable baffles 10 and make it easy to control.

[0035] The material of the movable baffle 10 is a high temperature resistant material, and a buffer plate 16 is respectively provided on the opposite side of the two movable baffles 10. The buffer plate 16 can reduce the extrusion force generated when the two movable baffles 10 move relative to each other and are connected together, thereby preventing the movable baffle 10 from being damaged.

[0036] The inner wall of the protective box 2 is provided with a flame retardant layer 14, and the outer surface of the flame retardant layer 14 is provided with a high-temperature resistant coating 15. By arranging the high-temperature resistant coating 15 inside the protective box 2, the high-temperature resistance can be improved to avoid being damaged by the high temperature of the medium frequency furnace 1. By setting the flame retardant layer 14, the flame retardant and fireproof performance can be improved.

[0037] The outer surface of the protective box 2 is provided with a heat insulation pad 13. The heat insulation pad 13 can improve the heat insulation performance of the outer surface of the protective box 2 and prevent burns.

[0038] The four corners on the top of the protection box 2 are respectively provided with warning lights 6. Through the warning lights 6, it can light up when the intermediate frequency furnace 1 is running to serve as a warning.

[0039] The back of the protection box 2 and the side away from the control box 7 are respectively provided with a detachable inspection panel. Through the provision of the detachable inspection panel, it is convenient to open the intermediate frequency furnace 1 for comprehensive inspection and maintenance.

[0040] Working principle: The protective box of the device is placed on the outside of the medium frequency furnace for safety protection, which can prevent staff from directly contacting the surface of the medium frequency furnace. Staff can perform normal operation and control of the medium frequency furnace through the side operation port and top opening of the protective box. The protective component set through the top opening can control the movable baffle to close the top opening through the electric push rod to avoid splashing of molten steel in the medium frequency furnace, further improving safety. The temperature safety warning component set on the protective box can monitor the temperature from the inside of the protective box to the surface of the medium frequency furnace through the temperature detector. Under abnormal conditions, the alarm can be sounded through the alarm to remind staff to deal with it in time, further improving the safety warning effect of the device. The protective reinforcement plate set on the outside of the protective box can improve the strength of the protective box and make it not easy to be damaged. The high-temperature resistant coating set inside the protective box can improve the high-temperature resistance to avoid damage by the high temperature of the medium frequency furnace.

[0041] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A safety protection device for an aluminum electrolysis medium frequency furnace, characterized in that: The utility model comprises a protection box (2) and a protection component (4), wherein the protection box (2) is sleeved on the outside of the medium frequency furnace (1), and a top opening (11) and a side operation port (3) are formed on the top and side of the protection box (2), respectively. The top opening (11) is arranged correspondingly to the top furnace port of the medium frequency furnace (1) above and below, and the protection component (4) is installed on the top opening (11). The protection component (4) comprises an electric push rod (9) and a movable baffle (10), and two electric push rods (9) are symmetrically installed on both sides of the top opening (11), and the movable ends of the two electric push rods (9) are respectively connected to two movable baffles (10), and the two movable baffles (10) are covered on the top opening (11).

2. The safety protection device for an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: The material of the protection box (2) is stainless steel, and a protection reinforcement plate (12) is provided on the outside of the protection box (2).

3. The safety protection device for an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: A temperature safety warning component is installed on the protection box (2), and the temperature safety warning component includes a temperature detector (5) and an alarm (8). A control box (7) is installed on one side of the protection box (2), and the alarm (8) is installed on the top of the control box (7). The temperature detector (5) is installed at a position corresponding to the inner wall of the protection box (2) and the control box (7), and the temperature detector (5) is electrically connected to the alarm (8).

4. The safety protection device for an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: The area of ​​the two movable baffles (10) after being spliced ​​is larger than the area of ​​the top opening (11), and tracks (17) are provided on both sides of the top opening (11) to facilitate the movement of the two movable baffles (10).

5. The safety protection device for an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: The movable baffle (10) is made of a high-temperature resistant material, and a buffer plate (16) is provided on each of the two opposite sides of the movable baffle (10).

6. The safety protection device for an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: The inner wall of the protection box (2) is provided with a flame retardant layer (14), and the outer surface of the flame retardant layer (14) is provided with a high-temperature resistant coating (15).

7. The safety protection device for an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: The outer surface of the protection box (2) is provided with a heat insulation pad (13).

8. The safety protection device for an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: Warning lights (6) are respectively provided at the four corners of the top of the protection box (2).

9. The safety protection device for an aluminum electrolysis medium frequency furnace according to claim 3, characterized in that: The back of the protection box (2) and the side away from the control box (7) are respectively provided with detachable inspection panels.

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