Heat shield device of induction heating furnace
By setting up multi-layer heat insulation components on the induction heating furnace and using high-temperature resistant and low-thermal-conductivity materials, the problem of poor heat insulation effect of the induction heating furnace is solved, achieving more efficient heat retention and energy saving.
Patent Information
- Application Number
- CN202520742540.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-04-18
AI Technical Summary
The existing heat insulation cover device for induction heating furnace has poor heat insulation effect, resulting in serious heat loss, affecting the working environment and increasing energy consumption.
It adopts a multi-layer thermal insulation component design, including an upper thermal insulation component, a rear window thermal insulation component, a front window door thermal insulation component, and a bottom thermal insulation component. It uses high-temperature resistant, low thermal conductivity materials such as ceramic fiber and mica board, combined with quartz glass and stainless steel plate to form a multi-layer thermal insulation structure.
It effectively reduces heat loss, lowers energy consumption, improves insulation performance, and enhances user comfort and efficiency.
Smart Images

Figure CN223976457U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a heat insulation cover device for an induction heating furnace. Background Technology
[0002] An induction heating furnace is a device that uses the principle of electromagnetic induction to convert electrical energy into heat energy for heating metal materials. Its working principle is based on the phenomenon of electromagnetic induction. When an alternating current is passed through the induction coil, an alternating magnetic field is generated around it. The metal workpiece placed in this magnetic field will generate an induced electromotive force and an induced current within it due to electromagnetic induction. Because the metal workpiece itself has resistance, according to Joule's law Q=I²Rt, the induced current does work on the resistance, converting electrical energy into heat energy, thus rapidly heating the metal workpiece.
[0003] During the operation of induction heating furnaces, the heating process generates a large amount of heat. If this heat is not effectively insulated, it will lead to an increase in the working environment temperature, affecting the comfort and work efficiency of operators, and may even cause thermal damage to surrounding equipment. On the other hand, heat loss will also result in energy waste and increase production costs. Existing heat insulation covers have the problem of poor heat insulation effect and cannot meet the growing demand for high efficiency, energy saving and convenient use. Therefore, a heat insulation cover device for induction heating furnaces is proposed to address the above problems. Utility Model Content
[0004] The purpose of this utility model is to overcome the existing defects and provide a heat insulation cover device for an induction heating furnace with good heat insulation effect.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a heat insulation cover device for an induction heating furnace, comprising an upper heat insulation component, a rear window heat insulation component, a front window heat insulation component, and a bottom heat insulation component;
[0006] The upper heat insulation component is disposed on the upper side of the furnace body, the rear window heat insulation component is disposed at the rear of the furnace body, the front window heat insulation component is disposed at the front of the furnace body, and the bottom heat insulation component is disposed at the bottom of the furnace body;
[0007] The lower end of the upper heat insulation component is connected to the lower heat insulation cover.
[0008] Preferably, the upper thermal insulation component includes a first ceramic fiber thermal insulation layer, a first mica thermal insulation fixing plate, a second ceramic fiber thermal insulation layer, and a first mica plate;
[0009] The first ceramic fiber insulation layer is connected to the outside of the furnace body. The outside of the first ceramic fiber insulation layer is connected to the first mica insulation fixing plate. The outside of the first mica insulation fixing plate is connected to the second ceramic fiber insulation layer. The outside of the second ceramic fiber insulation layer is connected to the first mica plate.
[0010] Preferably, the rear window insulation assembly includes a first square mica plate, a second square mica plate, and a third square mica plate;
[0011] The square hole in the middle of the first square mica plate is aligned and fitted with the rear window of the upper heat insulation component. The second square mica plate is fitted with the first square mica plate. The square quartz glass is embedded in the square hole of the second square mica plate. The third square mica plate is fitted with the second square mica plate and presses down on the square quartz glass.
[0012] Preferably, the front window insulation assembly includes two second mica plates, quartz glass, and a stainless steel plate;
[0013] The quartz glass is connected between the two second mica plates, and the stainless steel plate is connected to the outer side of the two second mica plates.
[0014] Preferably, one end of the stainless steel plate is connected to a rotating connecting seat, and the other end is connected to a handle. A mounting seat is connected to the front window of the furnace body, and the rotating connecting seat is movably connected to the mounting seat.
[0015] Preferably, the bottom insulation assembly includes a ceramic fiber insulation layer, a mica insulation fixing plate, a vertical epoxy fixing plate, and a horizontal epoxy fixing plate;
[0016] The ceramic fiber insulation layer is connected to the bottom right angle of the furnace body. The outer side of the ceramic fiber insulation layer is connected to the mica insulation fixing plate. The outer side of the mica insulation fixing plate is vertically connected to the vertical epoxy fixing plate. The bottom of the mica insulation fixing plate is connected to the horizontal epoxy fixing plate.
[0017] Preferably, the third-shaped mica plate is located outside the second square mica plate.
[0018] Preferably, the first mica plate has ventilation holes; a reinforcing plate is connected to the outer side of the first mica plate.
[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: The heat insulation cover device of this induction heating furnace is equipped with an upper heat insulation component on the outside of the furnace body, a rear window heat insulation component at the rear window of the furnace body, a front window door heat insulation component at the front window of the furnace body, and a bottom heat insulation component at the bottom of the furnace body. By selecting appropriate heat insulation materials, the heat insulation performance is effectively improved, heat loss is reduced, energy consumption is reduced, and the overall performance is improved. Attached Figure Description
[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0021] Figure 1 This is an overall schematic diagram of the heat insulation cover device for the induction heating furnace of this utility model;
[0022] Figure 2 This is a cross-sectional view of the heat insulation cover device of the induction heating furnace of this utility model;
[0023] Figure 3 for Figure 2 Enlarged view at point Y;
[0024] Figure 4 for Figure 2 Enlarged view at point X;
[0025] Figure 5 This is a detailed drawing of the front window door thermal insulation component of this utility model;
[0026] Figure 6 for Figure 2 Enlarged view at point Z;
[0027] Figure 7 This is a detailed view of the connection of the reinforcing plate of this utility model;
[0028] Figure 8 This is a detailed drawing of the lower heat insulation cover of this utility model.
[0029] In the diagram: 1. Furnace body; 2. First ceramic fiber insulation layer; 3. First mica insulation fixing plate; 4. Second ceramic fiber insulation layer; 5. First mica plate; 6. First square mica plate; 7. Second square mica plate; 8. Third square mica plate; 9. Second mica plate; 10. Quartz glass; 11. Stainless steel plate; 12. Rotating connecting seat; 13. Handle; 14. Mounting seat; 15. Ceramic fiber insulation layer; 16. Mica insulation fixing plate; 17. Vertical epoxy fixing plate; 18. Horizontal epoxy fixing plate; 19. Vent hole; 20. Reinforcing plate; 21. Lower insulation cover. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0031] Please see Figure 1-8 A heat insulation cover device for an induction heating furnace includes an upper heat insulation component, a rear window heat insulation component, a front window heat insulation component, and a bottom heat insulation component. The upper heat insulation component is disposed on the upper side of the furnace body 1, the rear window heat insulation component is disposed at the rear of the furnace body 1, and the front window heat insulation component is disposed at the front of the furnace body 1. The bottom heat insulation component is disposed at the bottom of the furnace body 1. The lower end of the upper heat insulation component is connected to the lower heat insulation cover 21.
[0032] Specifically, the upper insulation component includes a first ceramic fiber insulation layer 2, a first mica insulation fixing plate 3, a second ceramic fiber insulation layer 4, and a first mica plate 5; the first ceramic fiber insulation layer 2 is connected to the outside of the furnace body 1, the outside of the first ceramic fiber insulation layer 2 is connected to the first mica insulation fixing plate 3, the outside of the first mica insulation fixing plate 3 is connected to the second ceramic fiber insulation layer 4, and the outside of the second ceramic fiber insulation layer 4 is connected to the first mica plate 5.
[0033] Specifically, the first ceramic fiber insulation layer 2 has the advantages of high temperature resistance and low thermal conductivity, allowing it to directly contact the surface of the high-temperature billet inside the induction heating furnace and effectively block heat transfer. The first mica insulation fixing plate 3 has good high temperature resistance, insulation, and mechanical properties. The second ceramic fiber insulation layer 4 further enhances the insulation effect, reducing heat conduction to the outside. The first mica plate 5 is a high-strength, aesthetically pleasing, and highly insulating epoxy board material that protects the internal insulation material, ensuring the stability, durability, and aesthetic appearance of the insulation cover.
[0034] Specifically, square windows are opened on the front and back sides of the first ceramic fiber insulation layer 2, the first mica insulation fixing plate 3, the second ceramic fiber insulation layer 4, and the first mica plate 5.
[0035] Specifically, the rear window insulation component includes a first square mica plate 6, a second square mica plate 7, and a third square mica plate 8;
[0036] The first square mica plate 6 has a square hole in the middle that is aligned and fitted with the rear window of the upper heat insulation component. The second square mica plate 7 is fitted with the first square mica plate 6. The square quartz glass is embedded in the square hole of the second square mica plate 7. The third square mica plate 8 is fitted with the second square mica plate 7 and presses down on the square quartz glass.
[0037] Specifically, the first square mica plate 6 and the second square mica plate 7 have the advantages of high temperature resistance and low thermal conductivity, allowing them to directly contact the surface of the high-temperature billet inside the induction heating furnace and effectively block heat transfer. The third square mica plate 8 has good high temperature resistance, insulation, and mechanical properties. The second square mica plate 7 has a square hole in the center, into which a square quartz glass is inlaid.
[0038] The first square mica plate 6 has a square hole in the middle that is aligned and fitted with the rear window of the upper heat insulation component. The second square mica plate 7 is fitted with the first square mica plate 6. The square quartz glass is embedded in the square hole of the second square mica plate 7. The third square mica plate 8 is fitted with the second square mica plate 7 and presses down on the square quartz glass.
[0039] Specifically, the front window insulation assembly includes two second mica plates 9, quartz glass 10, and a stainless steel plate 11; the quartz glass 10 is connected between the two second mica plates 9, and the stainless steel plate 11 is connected to the outer side of the two second mica plates 9. One end of the stainless steel plate 11 is connected to a rotating connecting seat 12, and the other end is connected to a handle 13. A mounting seat 14 is connected to the front window of the furnace body 1, and the rotating connecting seat 12 is movably connected to the mounting seat 14.
[0040] Specifically, the second mica plate 9 and quartz glass 10 have the advantages of high temperature resistance and low thermal conductivity, allowing them to directly contact the surface of the high-temperature billet in the induction heating furnace and effectively block heat transfer. Stainless steel plate 11 has good high temperature resistance, insulation, and mechanical properties.
[0041] Specifically, the bottom insulation assembly includes a ceramic fiber insulation layer 15, a mica insulation fixing plate 16, a vertical epoxy fixing plate 17, and a horizontal epoxy fixing plate 18. The ceramic fiber insulation layer 15 is connected to the bottom right angle of the furnace body 1. The outer side of the ceramic fiber insulation layer 15 is connected to the mica insulation fixing plate 16. The outer side of the mica insulation fixing plate 16 is vertically connected to the vertical epoxy fixing plate 17. The bottom of the mica insulation fixing plate 16 is connected to the horizontal epoxy fixing plate 18.
[0042] Specifically, the ceramic fiber insulation layer 15 is a U-shaped base made up of three boards. The mica insulation fixing plate 16 is a U-shaped insulation layer formed by three ceramic fiber blankets.
[0043] Specifically, the right-angle ceramic fiber insulation layer 15 has the advantages of high temperature resistance and low thermal conductivity, and can directly contact the surface of the high-temperature billet in the induction heating furnace, effectively blocking the transfer of heat.
[0044] Specifically, the right-angle mica heat insulation fixing plate 16 has good high temperature resistance, insulation and mechanical properties.
[0045] Specifically, the vertical epoxy fixing plate 17 and the horizontal epoxy fixing plate 18 are made of high-strength, aesthetically pleasing, and highly insulating epoxy board material, which can protect the internal insulation material and ensure the stability, durability, and aesthetic appearance of the insulation cover.
[0046] Specifically, a vent hole 19 is provided on the first mica plate 5; a reinforcing plate 20 is connected to the outside of the first mica plate 5. The vent hole 19 guides the gas to be discharged from the top, reducing the heat of the high-temperature and high-pressure gas on the coil copper plate.
[0047] The heat insulation cover device of this induction heating furnace includes an upper heat insulation component on the outside of the furnace body 1, a rear window heat insulation component at the rear window of the furnace body 1, a front window door heat insulation component at the front window of the furnace body 1, and a bottom heat insulation component at the bottom of the furnace body 1. By selecting appropriate heat insulation materials, the heat insulation performance is effectively improved, heat loss is reduced, energy consumption is reduced, and the overall performance is improved.
[0048] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. An insulation shield arrangement for an induction heating furnace, characterized in that The upper layer heat insulation assembly, the rear window heat insulation assembly, the front window door heat insulation assembly and the bottom heat insulation assembly are included. The upper layer heat insulation assembly is arranged on the upper side of the furnace body (1), the rear window heat insulation assembly is arranged at the rear of the furnace body (1), and the front window door heat insulation assembly is arranged at the front of the furnace body (1). The lower end of the upper layer heat insulation assembly is connected with a lower heat insulation cover (21).
2. The induction heating furnace's heat shield device according to claim 1, characterized in that, The upper layer heat insulation assembly includes a first ceramic fiber heat insulation layer (2), a first mica heat insulation fixed plate (3), a second ceramic fiber heat insulation layer (4) and a first mica plate (5). The first ceramic fiber heat insulation layer (2) is connected to the outer side of the furnace body (1), the first ceramic fiber heat insulation layer (2) is connected to the outer side of the first mica heat insulation fixed plate (3), the first mica heat insulation fixed plate (3) is connected to the outer side of the second ceramic fiber heat insulation layer (4), and the second ceramic fiber heat insulation layer (4) is connected to the outer side of the first mica plate (5).
3. The induction heating furnace's heat shield device according to claim 1, characterized in that, The rear window heat insulation assembly includes a first square mica plate (6), a second square mica plate (7) and a third square mica plate (8). The middle square hole of the first square mica plate (6) is aligned and fitted with the rear window of the upper heat insulation assembly, the second square mica plate (7) is fitted with the first square mica plate (6), the square quartz glass is inlaid in the square hole of the second square mica plate (7), and the third square mica plate (8) is fitted with the second square mica plate (7) and presses the square quartz glass.
4. The induction heating furnace's heat shield device according to claim 1, characterized in that, The front window door heat insulation assembly includes two second mica plates (9), quartz glass (10) and a stainless steel plate (11). The quartz glass (10) is connected between the two second mica plates (9), and the outer sides of the two second mica plates (9) are connected with the stainless steel plate (11).
5. The induction heating furnace's heat shield device according to claim 4, characterized in that, One end of the stainless steel plate (11) is connected with a rotating connecting seat (12), the other end is connected with a handle (13), the front window of the furnace body (1) is connected with a mounting seat (14), and the rotating connecting seat (12) is movably connected with the mounting seat (14).
6. The induction heating furnace's shield device according to claim 1, characterized in that, The bottom heat insulation assembly includes a ceramic fiber heat insulation layer (15), a mica heat insulation fixed plate (16), a vertical epoxy fixed plate (17) and a horizontal epoxy fixed plate (18). The ceramic fiber heat insulation layer (15) is connected at the bottom right angle of the furnace body (1), the outer side of the ceramic fiber heat insulation layer (15) is connected with the mica heat insulation fixed plate (16), the outer side of the mica heat insulation fixed plate (16) is connected with the vertical epoxy fixed plate (17) in the vertical direction, and the bottom of the mica heat insulation fixed plate (16) is connected with the horizontal epoxy fixed plate (18).
7. The induction heating furnace's shield device according to claim 3, characterized in that, The third square mica plate (8) is located on the outer side of the second square mica plate (7).
8. The induction heating furnace's shield device according to claim 2, characterized in that, Ventilation holes (19) are formed in the first mica plate (5), and a reinforcing plate (20) is connected to the outer side of the first mica plate (5).