Air-cooled electromagnetic stirrer inductor for aluminum melting furnace

Through the design of the air-cooled electromagnetic stirrer inductor, the problems of excessive housing, poor cooling effect and lack of monitoring in the prior art are solved, and the effects of simplified structure, energy saving and consumption reduction and effective cooling are achieved.

CN223296618UActive Publication Date: 2025-09-02HUNAN KEMEIDA ELECTRIC
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Patent Information

Application Number
CN202422671685.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-09-02
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

The existing electromagnetic stirrer for melting aluminum furnaces has problems such as excessive shell, large space, chaotic air paths, poor cooling effect and lack of monitoring and protection measures.

Method used

An air-cooled electromagnetic stirrer sensor was designed, using air duct assembly one and air duct assembly two to independently provide cooling air by two fans. The air volume is monitored in real time with a temperature sensor. A heat insulation plate is installed on the top of the frame to block radiant heat, simplifying the cooling water system.

Benefits of technology

The cooling effect of simple structure, energy saving and consumption reduction is achieved, the coil cooling is clear and easy to control, and the sensor is protected by the temperature sensor, reducing the heat loss of the coil.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an air-cooled electromagnetic stirrer inductor for an aluminum melting furnace, which comprises an inductor body, an air duct device is arranged at the bottom of the inductor body, and the inductor body is covered by a ventilated frame; the inductor body comprises a pressing plate and N ring-shaped coils, and all the coils are regularly arranged in a line; each coil encloses a corresponding silicon steel sheet unit; each silicon steel sheet unit comprises a plurality of silicon steel sheets which are arranged at intervals and arranged in a row, and a partition plate is arranged between every two adjacent silicon steel sheets. The silicon steel sheet units and the pressing plates are connected through a plurality of screw rods which transversely penetrate through the silicon steel sheet units and the pressing plates; ngt; = 2. The product is simple in structure and convenient to operate, does not need a cooling water system, cools the inductor body through blowing of the fan, omits a complex cooling water system, and is energy-saving and consumption-reducing.
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Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic metallurgy process, in particular to an air-cooled electromagnetic stirrer inductor used in an aluminum melting furnace. Background Art

[0002] The electromagnetic stirrer for aluminum melting furnace is installed below or on the side of the aluminum melting furnace. It has a good electromagnetic metallurgical effect and is used to accelerate the aluminum melting speed and improve the uniformity of the alloy composition and temperature of the aluminum melt.

[0003] Among existing patents and technologies, CN203572253U, an air-cooled electromagnetic stirrer inductor for aluminum smelting furnaces, discloses an air-cooled electromagnetic stirrer for aluminum smelting furnaces. This system primarily uses fans at one or both ends to draw cooling air into a ventilated housing. Ventilation ports are located above the housing, cooling the coils. However, this solution suffers from an overly large housing, making it difficult to place, occupying a large space, and creating a chaotic and difficult-to-control airflow path, which in turn provides poor cooling for the coils. Furthermore, this solution lacks other monitoring and protection measures, such as coil monitoring and fan volume adjustment.

[0004] Therefore, developing an electromagnetic stirrer sensor with simple structure, energy saving and consumption reduction, and monitoring capability has become an urgent problem that both manufacturers and users of electromagnetic stirrers for aluminum melting furnaces need to solve. Utility Model Content

[0005] In view of the above problems, the present invention proposes an air-cooled electromagnetic stirrer sensor for an aluminum melting furnace, which can overcome the above shortcomings of the prior art.

[0006] In order to achieve the above technical objectives, the technical solution of the present utility model is implemented as follows:

[0007] An air-cooled electromagnetic stirrer inductor for an aluminum melting furnace comprises an inductor body, an air duct device is provided at the bottom of the inductor body, and the inductor body is covered by a ventilated frame;

[0008] The inductor body includes a pressure plate and N ring-shaped coils, all of which are regularly arranged in a row; each coil encloses a corresponding silicon steel sheet unit; the silicon steel sheet unit includes a number of silicon steel sheets arranged at intervals and arranged in a row, and a partition is provided between each two adjacent silicon steel sheets;

[0009] The upper portion of the pressure plate is in close contact with the front and rear sides of each silicon steel sheet unit, and the silicon steel sheet unit and the pressure plate are connected by a plurality of screws that pass through the two laterally;

[0010] N>=2.

[0011] Preferably, a heat insulation board is provided on the top of the frame, and a plurality of windows for ventilation are provided on the side of the frame. Cooling air is blown into the air-cooled electromagnetic stirrer inductor from two fans to cool the inductor body and is finally discharged from the windows.

[0012] Preferably, in each silicon steel sheet unit, all silicon steel sheets and partitions are penetrated by corresponding screws respectively.

[0013] Preferably, a mounting seat is provided at the bottom of the pressing plate.

[0014] Preferably, the air duct device includes an air duct component 1 and an air duct component 2;

[0015] The air duct assembly 1 includes a fan 1, the right end of which is connected to two front-to-back symmetrical air duct branches, each of which is provided with N air outlets;

[0016] The air duct assembly 2 includes a fan 2, the left end of which is connected to the main air duct, and the main air duct is provided with N+ air duct openings;

[0017] The main air duct is located between the two branch air ducts, and both the branch air ducts and the main air duct are located at the bottom of the sensor body.

[0018] Preferably, the first fan and the second fan are respectively located on the left and right sides of the air-cooled electromagnetic stirrer inductor body, and the air duct branch and the air duct main are both surrounded by the pressure plate;

[0019] The pressing plate and the frame are respectively provided with notches corresponding to the first fan and the second fan at the lower parts of their left and right sides, so that the first fan and the second fan are both located outside the pressing plate and the frame.

[0020] Preferably, the coil is provided with a plurality of spacers and a plurality of temperature sensors.

[0021] Preferably, the temperature sensor is in communication with the fan 1 and the fan 2. The temperature sensor monitors the temperature and adjusts the speed of the fan to control the air volume and protect the sensor body.

[0022] Preferably, a mounting plate 2 is provided at each of the four corners of the bottom of the main air duct, and a mounting plate 1 corresponding to the mounting plate 2 on the same side is provided at the bottom of each branch air duct. The corresponding mounting plates 1 and 2 are detachably connected by bolts or bolts and nuts.

[0023] Preferably, the number N of coils depends on actual needs. Preferably, the value range of N is 2-6.

[0024] Preferably, the upper part of the pressure plate is provided with a pressure plate extension portion corresponding to the front and rear sides of the silicon steel sheet unit respectively. The pressure plate extension portion is close to the corresponding silicon steel sheet unit and is surrounded by the corresponding coil. The pressure plate extension portion and the silicon steel sheet unit are connected by a number of screws that pass through the two laterally.

[0025] This product achieves beneficial effects: It features a simple structure, easy operation, and requires no cooling water system. This eliminates the need for a complex cooling water system, resulting in a simple structure, easy operation, and energy savings. The inductor coil is cooled using side cooling and intermediate cooling, separated into duct assembly 1 and duct assembly 2. Two fans independently provide cooling air, creating clear and easy-to-control cooling ducts. The inductor temperature sensor monitors the air volume in real time to protect the inductor. A heat shield on the top of the frame effectively blocks radiant heat from the aluminum melting furnace, reducing heat transfer to the coil and protecting it. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The utility model is described in further detail below with reference to the accompanying drawings.

[0027] Figure 1 It is an exploded view of the air-cooled electromagnetic stirrer sensor according to the utility model.

[0028] Figure 2 This is a sectional view from the main perspective of the air-cooled electromagnetic stirrer sensor according to the utility model.

[0029] Figure 3 yes Figure 2 Cross-sectional view in the BB direction.

[0030] Figure 4 It is a structural schematic diagram of the sensor body according to the utility model.

[0031] Figure 5 It is a structural schematic diagram of the air duct assembly 1 according to the utility model.

[0032] Figure 6 It is a structural schematic diagram of the air duct assembly 2 according to the utility model.

[0033] In the figure: 1. Frame; 11. Window; 12. Insulation board; 2. Sensor body; 21. Coil; 22. Spacer; 23. Temperature sensor; 24. Silicon steel sheet; 25. Partition; 26. Screw; 27. Pressure plate; 271. Upper extension of pressure plate; 28. Mounting seat; 3. Duct assembly 1; 31. Fan 1; 32. Duct branch; 33. Air outlet; 34. Mounting plate 1; 4. Duct assembly 2; 41. Fan 2; 42. Duct main line; 43. Duct outlet; 44. Mounting plate 2. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0035] like Figure 1-6As shown, in order to facilitate understanding of the above technical solutions of the present invention, the above technical solutions of the present invention are described in detail below through specific usage methods.

[0036] When in use, the air-cooled electromagnetic stirrer sensor of the utility model includes.

[0037] An air-cooled electromagnetic stirrer inductor for an aluminum melting furnace comprises an inductor body 2, an air duct device is provided at the bottom of the inductor body 2, and the inductor body 2 is covered by a ventilated frame 1;

[0038] The inductor body 2 includes a pressure plate 27 and N ring-shaped coils 21, all of which are regularly arranged in a row; each coil 21 encloses a corresponding silicon steel sheet unit; the silicon steel sheet unit includes a plurality of silicon steel sheets 24 spaced apart and arranged in a row, and a partition 25 is provided between each two adjacent silicon steel sheets 24;

[0039] The upper portion of the pressure plate 27 is in close contact with the front and rear sides of each silicon steel sheet unit, and the silicon steel sheet unit and the pressure plate 27 are connected by a plurality of screws 26 that pass through the two laterally;

[0040] N>=2. The frame 1 provides ventilation and protection for the sensor body 2.

[0041] In one embodiment, a heat shield 12 is provided on the top of the frame 1, and a plurality of ventilation windows 11 are provided on the side of the frame 1. Cooling air is blown into the air-cooled electromagnetic stirrer inductor from two fans, cooling the inductor body 2, and finally discharged through the windows 11.

[0042] In one embodiment, in each silicon steel sheet unit, all silicon steel sheets 24 and partitions 25 are respectively penetrated by corresponding screws 26 .

[0043] In one embodiment, a mounting seat 28 is provided at the bottom of the pressing plate 27 .

[0044] In one embodiment, the air duct device includes an air duct component 1 3 and an air duct component 2 4;

[0045] The air duct assembly 1 3 includes a fan 1 31 , the right end of which is connected to two front-to-back symmetrical air duct branches 32 , each of which is provided with N air outlets 33 ;

[0046] The air duct assembly 2 4 includes a second fan 41 , the left end of which is connected to a main air duct 42 , and the main air duct 42 is provided with N+1 air duct openings 43 ;

[0047] The main air duct 42 is located between the two branch air ducts 32 , and both the branch air ducts 32 and the main air duct 42 are located at the bottom of the sensor body 2 .

[0048] In one embodiment, fan 1 31 and fan 2 41 are respectively located on the left and right sides of the air-cooled electromagnetic stirrer sensor, and the air duct branch 32 and the air duct main 42 are both enclosed by the pressure plate 27;

[0049] The pressing plate 27 and the frame 1 are respectively provided with notches corresponding to the fan 1 31 and the fan 2 41 at the lower part of their left and right sides, so that the fan 1 31 and the fan 2 41 are both located outside the pressing plate 27 and the frame 1.

[0050] In one embodiment, the coil 21 is provided with a plurality of spacers 22 and a plurality of temperature sensors 23 .

[0051] In one embodiment, the temperature sensor 23 is in communication with the fan 1 31 and the fan 2 41. By monitoring the temperature of the temperature sensor 23, the speed of the fan 31 is adjusted to control the air volume and protect the sensor body 2.

[0052] In a certain embodiment, a mounting plate 2 44 is provided at each of the four corners of the bottom of the main air duct 42, and a mounting plate 1 34 corresponding to the mounting plate 2 44 on the same side is provided at the bottom of each branch air duct 32. The corresponding mounting plates 1 34 and 2 44 are detachably connected by bolts or bolts and nuts.

[0053] In one embodiment, the number N of coils 21 is determined according to actual needs. Preferably, the value range of N is 2-6.

[0054] In a certain embodiment, a pressure plate extension portion 271 corresponding to the front and rear sides of the silicon steel sheet unit is provided on the upper portion of the pressure plate 27. The pressure plate extension portion 271 is tightly attached to the corresponding silicon steel sheet unit and is surrounded by the corresponding coil 21. The pressure plate extension portion 271 and the silicon steel sheet unit are connected by a plurality of screws 26 that pass through the two transversely.

[0055] In summary, this unique design offers a simple structure, easy operation, and the absence of a cooling water system. Air from a fan cools the sensor body, eliminating the need for a complex cooling water system. This results in a simple structure, easy operation, and energy savings. The sensor coil is cooled using side cooling and intermediate cooling, separated into duct assembly 1 and duct assembly 2. Two fans independently provide cooling air, creating clear and easy-to-control cooling ducts. The sensor's temperature sensor monitors the air flow in real time, protecting the sensor. A heat shield on top of the frame effectively blocks radiant heat from the aluminum melting furnace, reducing heat transfer to the coil and protecting it.

[0056] In the description of the present invention, it should be understood that the indicated orientations or positional relationships are based on the orientations 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 orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

Claims

1. An air-cooled electromagnetic stirrer inductor for an aluminum melting furnace, characterized in that: It comprises a sensor body (2), an air duct device is provided at the bottom of the sensor body (2), and the sensor body (2) is covered by a ventilated frame (1); The inductor body (2) includes a pressure plate (27) and N ring-shaped coils (21), all of which are regularly arranged in a row; each coil (21) encloses a corresponding silicon steel sheet unit; the silicon steel sheet unit includes a plurality of silicon steel sheets (24) arranged at intervals and arranged in a row, and a partition (25) is provided between each two adjacent silicon steel sheets (24); The upper portion of the pressure plate (27) is in close contact with the front and rear side surfaces of each silicon steel sheet unit, and the silicon steel sheet unit and the pressure plate (27) are connected by a plurality of screws (26) that pass through the two laterally; Said N>=2.

2. The air-cooled electromagnetic stirrer sensor according to claim 1, characterized in that: A heat insulation board (12) is provided on the top of the frame (1), and a plurality of windows (11) for ventilation are provided on the side of the frame (1).

3. The air-cooled electromagnetic stirrer inductor according to claim 1, characterized in that: In each silicon steel sheet unit, all the silicon steel sheets (24) and partitions (25) are respectively penetrated by the corresponding screw rods (26).

4. The air-cooled electromagnetic stirrer inductor according to claim 1, wherein: A mounting seat (28) is provided at the bottom of the pressing plate (27).

5. The air-cooled electromagnetic stirrer inductor according to claim 1, wherein: The air duct device comprises an air duct component 1 (3) and an air duct component 2 (4); The air duct assembly (3) includes a fan (31), the right end of which is connected to two front-to-back symmetrical air duct branches (32), and the air duct branches (32) are provided with N air outlets (33); The air duct assembly 2 (4) includes a second fan (41), the left end of the second fan (41) is connected to a main air duct path (42), and the main air duct path (42) is provided with N+1 air duct openings (43); The main air duct path (42) is located between the two branch air duct paths (32), and both the branch air duct paths (32) and the main air duct path (42) are located at the bottom of the sensor body (2).

6. The air-cooled electromagnetic stirrer inductor according to claim 5, characterized in that: The fan 1 (31) and the fan 2 (41) are respectively located on the left and right sides of the air-cooled electromagnetic stirrer sensor, and the air duct branch (32) and the air duct main (42) are both surrounded by the pressure plate (27); The pressure plate (27) and the frame (1) are provided with notches corresponding to the fan 1 (31) and the fan 2 (41) at the lower parts of their respective left and right sides, so that the fan 1 (31) and the fan 2 (41) are both located outside the pressure plate (27) and the frame (1).

7. The air-cooled electromagnetic stirrer inductor according to claim 5, characterized in that: The coil (21) is provided with a plurality of spacers (22) and a plurality of temperature sensors (23); The temperature sensor (23) is in communication connection with the fan 1 (31) and the fan 2 (41).

8. The air-cooled electromagnetic stirrer inductor according to claim 5, wherein: The four corners of the bottom of the main air duct (42) are respectively provided with mounting plates 2 (44), and the bottom of each branch air duct (32) is provided with a mounting plate 1 (34) corresponding to the mounting plate 2 (44) on the same side, and the corresponding mounting plates 1 (34) and 2 (44) are detachably connected by bolts or bolts and nuts.

9. The air-cooled electromagnetic stirrer inductor according to claim 1, wherein: The value range of N is 2-6.

10. The air-cooled electromagnetic stirrer inductor according to claim 1, wherein: The upper portion of the pressure plate (27) is provided with a pressure plate extension portion (271) corresponding to the front and rear sides of the silicon steel sheet unit respectively. The pressure plate extension portion (271) is in close contact with the corresponding silicon steel sheet unit and is surrounded by the corresponding coil (21). The pressure plate extension portion (271) and the silicon steel sheet unit are connected by a plurality of screws (26) that pass through the two transversely.

Citation Information

Patent Citations

  • Electromagnetic stirrer sensor of air cooling type aluminum smelter

    CN203572253U