Intermediate frequency furnace heating device

By combining the electromagnetic field superimposed heating of high-frequency and medium-frequency induction coils in the intermediate-frequency furnace heating device, the problems of inconsistent smelting power and high-temperature spillover of different metal materials are solved, and the effects of strong smelting and safe sealing are achieved.

CN222279295UActive Publication Date: 2024-12-31KUNMING LIANYA ELECTRODE MATERIAL MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421124510.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2024-12-31
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

When the existing intermediate-frequency furnace heating devices smel different metal materials, the output power is inconsistent, especially when processing metals that are difficult to smel, temperature dissipation needs to be considered, and high temperatures are prone to overflow.

Method used

An intermediate frequency furnace heating device is designed, using a combination of high-frequency induction coil and medium frequency induction coil to achieve strong thermal smelting through electromagnetic field superposition, and the top opening of the melting furnace body is closed by the cooperation of the fixer, actuator and refractory casting layer. Prevent high temperature spillover.

Benefits of technology

It realizes efficient smelting of different metal materials, especially the strong hot smelting effect of difficult metals, while preventing high temperature spillage and ensuring the safety and efficiency of the smelting process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222279295U_ABST
    Figure CN222279295U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of intermediate frequency furnaces, and discloses an intermediate frequency furnace heating device which comprises a heating furnace, a furnace bottom is fixedly installed at the bottom of the heating furnace, a base is installed in an inner cavity of the heating furnace, a connecting structure is arranged on the outer wall of the furnace bottom, and a support structure is fixedly installed at the top of the base. A high-frequency induction coil is fixedly connected to the outer wall of the support structure, a medium-frequency induction coil is arranged on the top of the high-frequency induction coil, and when the device is used for smelting different metal materials, the high-frequency induction coil and the medium-frequency induction coil which are different in thickness are used for conducting high-frequency electromagnetic heating and starting independently to complete smelting work. And when metal difficult to smelt needs to be machined, the high-frequency induction coil and the medium-frequency induction coil on the device can be started at the same time, and then the high-frequency induction coil and the medium-frequency induction coil conduct more powerful hot smelting work according to the electromagnetic field superposition principle.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of medium frequency furnaces, in particular to a medium frequency furnace heating device. Background Art

[0002] Medium frequency furnaces have many advantages in metal smelting and processing, but their operation and maintenance also require professional knowledge and experience. Therefore, attention should be paid to safety and norms when using them. They have good heat permeability and uniform temperature, which can eliminate internal defects of blanks, improve or eliminate component segregation, etc., and obtain uniform and fine structures.

[0003] When the existing device is in use, it usually adopts the induction coil to perform medium and high frequency heating to perform electromagnetic field heating and melting work inside the furnace body. However, the output power required by the existing device is not the same when melting different metal materials. When processing metals that are difficult to melt, the melting work is carried out using the principle that electromagnetic fields can be superimposed, and the problem of temperature dissipation needs to be considered during the melting process. Therefore, a medium frequency furnace heating device that solves the above problems is needed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a medium frequency furnace heating device, which has the advantages of strong practicality, superimposed electromagnetic field, and blocking overflow temperature, and solves the problems raised by the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: a medium frequency furnace heating device comprises a heating furnace, a furnace bottom is fixedly installed at the bottom of the heating furnace, a base is installed in the inner cavity of the heating furnace, the outer wall of the furnace bottom is provided with a connecting structure, a bracket structure is fixedly installed at the top of the base, a high-frequency induction coil is fixedly connected to the outer wall of the bracket structure, a medium-frequency induction coil is arranged on the top of the high-frequency induction coil, a fixing frame is sleeved on the inner wall of the high-frequency induction coil, a smelting furnace body is fixedly connected to the inner wall of the fixing frame, a plane layer is fixedly installed at the top of the heating furnace, a fixture is fixedly installed on the outer wall of the plane layer, a movable device is movably connected to the inner wall of the fixture, a top cover is movably connected to a refractory pouring layer at the bottom of the top cover, and a hand-controlled lever is fixedly connected to the outer wall of the top cover.

[0006] As a preferred technical solution of the utility model, the outer wall of the base is adapted to the inner wall diameter of the heating furnace, and the base is arranged at the bottom of the inner cavity of the heating furnace.

[0007] As a preferred technical solution of the utility model, the number of the connecting structures is two, and the two connecting structures are respectively arranged on the furnace bottom and the outer wall of the heating furnace.

[0008] As a preferred technical solution of the utility model, a connecting nail runs through the inner cavity of the support structure, and the support structure is connected to the outer wall of the high-frequency induction coil through the connecting nail.

[0009] As a preferred technical solution of the utility model, there are several support structures and high-frequency induction coils, and the several support structures and high-frequency induction coils are arranged in the inner cavity of the heating furnace.

[0010] As a preferred technical solution of the utility model, the opening of the smelting furnace body is upward, and the top of the smelting furnace body is connected to a U-shaped groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The medium frequency furnace heating device uses the high-frequency induction coil and the medium frequency induction coil on the device in coordination with each other. The diameters of the high-frequency induction coil and the medium frequency induction coil on the device are different. When the device melts different metal materials, high-frequency induction coils and medium frequency induction coils of different thicknesses are used to perform high-frequency electromagnetic heating and start the melting work separately. When it is necessary to process the metal that is difficult to melt, the high-frequency induction coil and the medium frequency induction coil on the device can be turned on at the same time, so that the high-frequency induction coil and the medium frequency induction coil can perform more powerful heat melting work by using the principle of electromagnetic field superposition.

[0013] 2. The medium frequency furnace heating device, through the mutual cooperation of the fixer, the movable device and the top cover and the refractory casting layer on the device, makes the fixer on the device realize the movably connection with the top cover by the movable device, and controls the top cover by the hand control lever, so that the top cover covers the top of the smelting furnace body, and makes the refractory casting layer fit the notch of the U-shaped groove, so that when the smelting work is carried out in the inner cavity of the smelting furnace body on the device, the top cover and the refractory casting layer are used to seal the opening on the top of the smelting furnace body, so that the high temperature in the inner cavity of the smelting furnace body will not overflow or dissipate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the left three-dimensional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the left side cross-sectional structure of the utility model;

[0017] Figure 4 For this utility model Figure 3 A schematic diagram of the structure enlargement in the middle;

[0018] Figure 5 For this utility model Figure 3 Enlarged schematic diagram of the structure at point B in the middle.

[0019] In the figure: 1. Heating furnace; 2. Furnace bottom; 3. Base; 4. Connection structure; 5. Support structure; 6. High-frequency induction coil; 7. Medium-frequency induction coil; 8. Fixed frame; 9. Melting furnace body; 10. Plane layer; 11. Fixer; 12. Movable device; 13. Top cover; 14. Refractory pouring layer; 15. Hand control lever. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-5 A medium frequency furnace heating device comprises a heating furnace 1, a furnace bottom 2 is fixedly installed at the bottom of the heating furnace 1, a base 3 is installed in the inner cavity of the heating furnace 1, a connecting structure 4 is provided on the outer wall of the furnace bottom 2, a bracket structure 5 is fixedly installed on the top of the base 3, a high-frequency induction coil 6 is fixedly connected to the outer wall of the bracket structure 5, a medium-frequency induction coil 7 is arranged on the top of the high-frequency induction coil 6, a fixing frame 8 is sleeved on the inner wall of the high-frequency induction coil 6, a smelting furnace body 9 is fixedly connected to the inner wall of the fixing frame 8, a plane layer 10 is fixedly installed on the top of the heating furnace 1, a fixture 11 is fixedly installed on the outer wall of the plane layer 10, a movable device 12 is movably connected to the inner wall of the fixture 11, a top cover 13 is movably connected to the outer wall of the movable device 12, and a top cover 13 is movably connected to the top wall of the top cover 13. A refractory casting layer 14 is fixedly connected to the bottom of the cover 13, and a manual lever 15 is fixedly connected to the outer wall of the top cover 13. Through the coordinated use of the fixture 11, the movable device 12 and the top cover 13 and the refractory casting layer 14 on the device, the fixture 11 on the device is movably connected with the top cover 13 by the movable device 12, and the top cover 13 is controlled by the manual lever 15, so that the top cover 13 covers the top of the smelting furnace body 9, and the refractory casting layer 14 fits the notch of the U-shaped groove, so that when the inner cavity of the smelting furnace body 9 on the device is smelting, the top cover 13 and the refractory casting layer 14 are used to seal the opening at the top of the smelting furnace body 9, so that the high temperature in the inner cavity of the smelting furnace body 9 does not overflow or dissipate.

[0022] In a preferred embodiment, the outer wall of the base 3 is adapted to the diameter of the inner wall of the heating furnace 1, and the base 3 is arranged at the bottom of the inner cavity of the heating furnace 1. By adapting the outer wall of the base 3 on the device to the diameter of the inner wall of the heating furnace 1, the base 3 on the device is first placed in the inner cavity of the heating furnace 1, and adapted and fixed to the inner wall of the heating furnace 1. When the base 3 on the device is stably installed in the inner cavity of the heating furnace 1, the components installed based on the base 3 can be stable.

[0023] In a preferred embodiment, the number of connecting structures 4 is two, and the two connecting structures 4 are respectively arranged on the outer wall of the furnace bottom 2 and the heating furnace 1. Through the two connecting structures 4 on the device, the two connecting structures 4 on the device play the role of closing and fixing the two sides on the outer walls of the heating furnace 1 and the furnace bottom 2, and the connecting structures 4 can be disassembled when necessary, so that the staff can operate other components inside the device.

[0024] In a preferred embodiment, connecting nails are passed through the inner cavity of the support structure 5, and the support structure 5 is connected to the outer wall of the high-frequency induction coil 6 through the connecting nails. By passing the connecting nails through the inner cavity of the support structure 5 on the device, the support structure 5 on the device is connected to the high-frequency induction coil 6 by the connecting nails, so that the high-frequency induction coils 6 on the device are installed on the outer wall of the support structure 5.

[0025] In a preferred embodiment, there are several medium frequency induction coils 7 and high frequency induction coils 6, and the several medium frequency induction coils 7 and high frequency induction coils 6 are arranged in the inner cavity of the heating furnace 1. Through the several medium frequency induction coils 7 and high frequency induction coils 6 on the device, each high frequency induction coil 6 on the device is fixed on the outer wall of the support structure 5, and each medium frequency induction coil 7 is fixed on the top of the high frequency induction coil 6. The high frequency induction coils 6 and medium frequency induction coils 7 can work individually or simultaneously, so that the high frequency induction coils 6 and medium frequency induction coils 7 on the device can perform high frequency electromagnetic field heating on the inner cavity of the smelting furnace body 9.

[0026] In a preferred embodiment, the opening of the smelting furnace body 9 is upward, and the top of the smelting furnace body 9 is connected to a U-shaped groove. By facing the opening of the smelting furnace body 9 on the device upward, the smelting furnace body 9 on the device cooperates with the U-shaped groove to work, and the high-temperature molten metal in the inner cavity of the smelting furnace body 9 can be poured through the opening of the smelting furnace body 9 and the U-shaped groove, thereby unloading the molten metal.

[0027] Working principle: First, the high-frequency induction coil 6 and the medium-frequency induction coil 7 on the device are used in coordination with each other. The diameters of the high-frequency induction coil 6 and the medium-frequency induction coil 7 on the device are different. When the device is smelting different metal materials, high-frequency induction coils 6 and medium-frequency induction coils 7 of different thicknesses are used to perform high-frequency electromagnetic heating and start the smelting work separately. When it is necessary to process metals that are difficult to melt, the high-frequency induction coil 6 and the medium-frequency induction coil 7 on the device can be turned on at the same time, so that the high-frequency induction coil 6 and the medium-frequency induction coil 7 can perform more powerful electromagnetic heating by using the principle of electromagnetic field superposition. During hot smelting, the fixture 11, the movable device 12, the top cover 13 and the refractory casting layer 14 on the device are used in coordination with each other, so that the fixture 11 on the device is movably connected with the top cover 13 by the movable device 12, and the top cover 13 is controlled by the hand-operated lever 15, so that the top cover 13 covers the top of the smelting furnace body 9, and the refractory casting layer 14 fits the notch of the U-shaped groove, so that when the smelting work is carried out in the inner cavity of the smelting furnace body 9 on the device, the top cover 13 and the refractory casting layer 14 are used to seal the opening on the top of the smelting furnace body 9, so that the high temperature in the inner cavity of the smelting furnace body 9 does not overflow or dissipate.

[0028] 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 medium frequency furnace heating device, comprising a heating furnace (1), characterized in that: A furnace bottom (2) is fixedly mounted on the bottom of the heating furnace (1), a base (3) is mounted in the inner cavity of the heating furnace (1), a connecting structure (4) is provided on the outer wall of the furnace bottom (2), a bracket structure (5) is fixedly mounted on the top of the base (3), a high-frequency induction coil (6) is fixedly connected to the outer wall of the bracket structure (5), a medium-frequency induction coil (7) is provided on the top of the high-frequency induction coil (6), a fixing frame (8) is sleeved on the inner wall of the high-frequency induction coil (6), and the fixing frame (8) is provided on the inner wall of the high-frequency induction coil (6). The inner wall of the frame (8) is fixedly connected to a smelting furnace body (9), the top of the heating furnace (1) is fixedly installed with a plane layer (10), the outer wall of the plane layer (10) is fixedly installed with a fixture (11), the inner wall of the fixture (11) is movably connected to a movable device (12), the outer wall of the movable device (12) is movably connected to a top cover (13), the bottom of the top cover (13) is fixedly connected to a refractory pouring layer (14), and the outer wall of the top cover (13) is fixedly connected to a hand control lever (15).

2. A medium frequency furnace heating device according to claim 1, characterized in that: The outer wall of the base (3) is matched to the inner wall diameter of the heating furnace (1), and the base (3) is arranged at the bottom of the inner cavity of the heating furnace (1).

3. The medium frequency furnace heating device according to claim 1, characterized in that: The number of the connecting structures (4) is two, and the two connecting structures (4) are respectively arranged on the furnace bottom (2) and the outer wall of the heating furnace (1).

4. The medium frequency furnace heating device according to claim 1, characterized in that: A connecting nail runs through the inner cavity of the support structure (5), and the support structure (5) is connected to the outer wall of the high-frequency induction coil (6) via the connecting nail.

5. The medium frequency furnace heating device according to claim 1, characterized in that: The number of the support structures (5) and the high-frequency induction coils (6) is several, and the several support structures (5) and the high-frequency induction coils (6) are arranged in an inner cavity of the heating furnace (1).

6. The medium frequency furnace heating device according to claim 1, characterized in that: The opening of the smelting furnace body (9) faces upward, and the top of the smelting furnace body (9) is connected to a U-shaped groove.