A high-temperature vacuum atmosphere medium-frequency induction heating furnace

CN224707305UActive Publication Date: 2026-09-01SHANGHAI DENGSHENG INSTR MFG CO LTD
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Patent Information

Application Number
CN202521835772.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-27
Publication Date
2026-09-01
Estimated Expiration
2035-08-27

AI Technical Summary

Technical Problem

[0004]本实用新型提供一种高温真空气氛中频感应加热炉,旨在解决目前加热炉冷却效果不佳的问题

Benefits of technology

[0012]该冷却装置通过设置若干换热管来对炉体各个方向进行均匀换热,从相对于传统采用单根管道换热来说散热更加均匀,不会因管道两端温度不一致而导致炉体各个位置温度不同的问题发生,降低了加热炉电器元件的故障率,分流槽可将回流的冷却水进行分流,以此可提高冷却水与空气的接触面,从而提高散热效果,引流杆可对回流水进行引流,在有限的空间内提高水流与空气的接触时间,从而进一步提高冷却水的散热效果。

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Abstract

This utility model relates to the field of heating furnace technology and provides a high-temperature vacuum atmosphere medium-frequency induction heating furnace, including a furnace body; a heat-conducting plate is installed on the outer wall of the furnace body, and the heat-conducting plate is arranged in a ring and attached to the outer wall of the furnace body. The high-temperature vacuum atmosphere medium-frequency induction heating furnace provided by this utility model uses a cooling device with several heat exchange tubes to uniformly exchange heat in all directions of the furnace body. Compared with the traditional method of using a single pipe for heat exchange, the heat dissipation is more uniform, and the problem of different temperatures at different locations in the furnace body due to inconsistent temperatures at both ends of the pipe is avoided, reducing the failure rate of electrical components in the heating furnace. The diversion channel can divert the return cooling water, thereby increasing the contact area between the cooling water and air, thus improving the heat dissipation effect. The guide rod can guide the return water, increasing the contact time between the water flow and air within a limited space, thereby further improving the heat dissipation effect of the cooling water.
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Description

Technical Field

[0001] This utility model belongs to the field of heating furnace technology, and in particular relates to a high-temperature vacuum atmosphere medium-frequency induction heating furnace. Background Technology

[0002] The high-temperature vacuum atmosphere medium-frequency induction heating furnace is a special metallurgical equipment that converts industrial frequency alternating current into medium-frequency alternating current. It heats the metal material by generating eddy currents through electromagnetic induction. This heating method does not require an external heat source; heat is generated directly inside the material, resulting in fast heating and low oxidation loss. The high-temperature vacuum atmosphere medium-frequency induction heating furnace requires a cooling device during operation. The cooling device is mainly used for efficient heat dissipation and equipment protection, ensuring that the components are not damaged by overheating during the induction heating process.

[0003] However, the cooling effect of high-temperature vacuum atmosphere medium-frequency induction heating furnaces is not ideal during operation. Currently, cooling devices generally use water cooling, which involves water flowing close to the furnace surface in a pipeline distribution path to remove heat from the furnace. However, the water absorbs heat and heats up immediately when it first flows into the furnace. Therefore, the temperature at the end of the pipeline is much higher than that at the beginning, resulting in uneven cooling of the furnace and different temperatures at different locations, thus causing poor cooling effect of the heating furnace. Utility Model Content

[0004] This invention provides a high-temperature vacuum atmosphere medium-frequency induction heating furnace, which aims to solve the problem of poor cooling effect in current heating furnaces.

[0005] This utility model is implemented as follows: a high-temperature vacuum atmosphere medium-frequency induction heating furnace includes a furnace body; a heat-conducting plate is installed on the outer wall of the furnace body, the heat-conducting plate is annular and fits against the outer wall of the furnace body, a diverter pipe is installed on the upper outer wall of the heat-conducting plate, a collector pipe is installed on the lower outer wall of the heat-conducting plate, a heat exchange pipe is connected between the diverter pipe and the collector pipe, the inner diameter of the diverter pipe and the collector pipe is much larger than the heat exchange pipe, the heat exchange pipe is fitted against the outer wall of the heat-conducting plate, several groups of heat exchange pipes are arranged in a circumferential array around the center of the heat-conducting plate, a water inlet pipe is connected to the side of the diverter pipe, a return pipe is connected to the side of the collector pipe, the other end of the water inlet pipe is connected to a water tank, a water pump is installed inside the water tank, the outlet of the water pump is connected to the water inlet pipe, a heat dissipation frame is installed on the top of the water tank, the return pipe is connected to the top of the heat dissipation frame, and a fan is installed on the rear side of the heat dissipation frame.

[0006] Preferably, a diversion groove is installed at the top of the interior of the heat sink, and return holes are equidistantly opened at the bottom of the diversion groove.

[0007] Preferably, a guide rod is installed on the lower side of the diversion channel, and the guide rod is fixed to the inner wall of the return hole.

[0008] Preferably, the diversion rods are fixed to the inner sidewalls of each return hole, and the diversion rods are configured as S-shaped.

[0009] Preferably, the rear side wall of the heat sink is provided with a slot, and a dustproof net is installed at the slot. The air outlet of the fan faces the dustproof net. An air outlet slot is provided on the front side of the heat sink, and the air outlet slot is inclined upward from the inside to the outside.

[0010] Preferably, the inlet pipe is connected to the right side of the branch pipe, and the return pipe is connected to the left side of the collector pipe.

[0011] Compared with the prior art, the embodiments of this application have the following main advantages:

[0012] This cooling device uses several heat exchange tubes to uniformly exchange heat in all directions of the furnace body. Compared with the traditional method of using a single pipe for heat exchange, the heat dissipation is more uniform, and the problem of different temperatures in different parts of the furnace body due to inconsistent temperatures at both ends of the pipe will not occur. This reduces the failure rate of electrical components in the heating furnace. The diversion channel can divert the return cooling water, thereby increasing the contact area between the cooling water and the air, thus improving the heat dissipation effect. The guide rod can guide the return water, increasing the contact time between the water flow and the air in a limited space, thereby further improving the heat dissipation effect of the cooling water. Attached Figure Description

[0013] Figure 1 This is a front view cross-sectional structural diagram of the present invention;

[0014] Figure 2 This is a top view cross-sectional structural diagram of the heat-conducting plate of this utility model;

[0015] Figure 3 This is a cross-sectional structural diagram of the water tank and heat dissipation frame of this utility model;

[0016] Figure 4 This is a side view sectional view of the heat sink structure of this utility model;

[0017] In the diagram: 1. Furnace body; 2. Heat-conducting plate; 3. Diverter pipe; 4. Collector pipe; 5. Heat exchanger pipe; 6. Water inlet pipe; 7. Return pipe; 8. Water tank; 9. Water pump; 10. Heat dissipation frame; 11. Fan; 12. Diverter groove; 13. Return hole; 14. Guide rod; 15. Dustproof net; 16. Air outlet groove. Detailed Implementation

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0019] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0020] This utility model embodiment provides a high-temperature vacuum atmosphere medium-frequency induction heating furnace, such as... Figure 1-4As shown, the furnace includes a furnace body 1. A heat-conducting plate 2 is installed on the outer wall of the furnace body 1. The heat-conducting plate 2 is annular and fits against the outer wall of the furnace body 1. A diversion pipe 3 is installed on the upper outer wall of the heat-conducting plate 2, and a manifold 4 is installed on the lower outer wall of the heat-conducting plate 2. A heat exchange pipe 5 is connected between the diversion pipe 3 and the manifold 4. The inner diameter of the diversion pipe 3 and the manifold 4 is much larger than that of the heat exchange pipe 5. The heat exchange pipe 5 is fitted against the outer wall of the heat-conducting plate 2. Several groups of heat exchange pipes 5 are arranged in a circular array around the center of the heat-conducting plate 2. The side of the diversion pipe 3 is connected to... A water inlet pipe 6 is connected to the water inlet pipe 4, and a return pipe 7 is connected to the side of the manifold pipe 4. The other end of the water inlet pipe 6 is connected to the water tank 8. A water pump 9 is installed inside the water tank 8, and the outlet of the water pump 9 is connected to the water inlet pipe 6. A heat dissipation rack 10 is installed on the top of the water tank 8, and the return pipe 7 is connected to the top of the heat dissipation rack 10. A fan 11 is installed on the rear side of the heat dissipation rack 10. When the cooling mechanism of this heating furnace is in use, the heat conduction plate 2 absorbs the heat generated by the furnace body 1 during operation, which can start the water pump 9 in the water tank 8. The water pump 9 dissipates the heat from the water in the water tank 8. Water is input into the distribution pipe 3 through the inlet pipe 6. Since the inner diameter of the distribution pipe 3 is much larger than that of the heat exchange pipe 5, the water in the distribution pipe 3 is evenly distributed into each heat exchange pipe 5. The water in the heat exchange pipe 5 exchanges heat with the heat conduction plate 2 to cool the heat conduction plate 2. The cooled heat conduction plate 2 continues to conduct heat out of the furnace body 1 to achieve heat dissipation of the furnace body 1, thereby removing the heat generated by the induction coil, power module and other components to prevent the equipment from overheating. The water after heat exchange passes through the heat dissipation frame 10. The fan 11 on the back of the heat dissipation frame 10 accelerates the airflow speed near the heat dissipation frame 10, thereby rapidly cooling the water after heat exchange. The cooled water flows back to the water tank 8 to achieve circulating water cooling. This cooling device uses several heat exchange pipes 5 to uniformly exchange heat in all directions of the furnace body 1. Compared with the traditional use of a single pipe for heat exchange, the heat dissipation is more uniform and will not cause the problem of different temperatures in different parts of the furnace body 1 due to inconsistent temperatures at both ends of the pipe, thus reducing the failure rate of the electrical components of the heating furnace.

[0021] The top of the heat sink 10 is equipped with a diversion channel 12, and the bottom of the diversion channel 12 is provided with return holes 13 at equal intervals. By setting the diversion channel 12, the return cooling water can be diverted and returned through several return holes 13, thereby increasing the contact area between the cooling water and the air and thus improving the heat dissipation effect.

[0022] A diversion rod 14 is installed on the lower side of the diversion channel 12. The diversion rod 14 is fixed to the inner wall of the return hole 13. By setting the diversion rod 14, the water flow can be made to flow in a constant trajectory, preventing the water flow from leaving the blowing range of the fan 11.

[0023] The guide rods 14 are fixed to the inner sidewalls of each return hole 13. The guide rods 14 are S-shaped. By setting the guide rods 14 to S-shape, this setting can increase the contact time between water flow and air in a limited space, thereby further improving the heat dissipation effect of cooling water.

[0024] The rear side wall of the heat sink 10 has a slot, and a dustproof net 15 is installed at the slot. The air outlet of the fan 11 faces the dustproof net 15. The front side of the heat sink 10 has an air outlet slot 16, which is opened at an upward angle from the inside to the outside. By setting the dustproof net 15, the dustproof net 15 can prevent the fan 11 from bringing external dust into the heat sink 10 and into the water, which would cause the pipe to become blocked. The inclined opening of the air outlet slot 16 can prevent water from leaking out from the front side of the heat sink 10 under the action of airflow.

[0025] The inlet pipe 6 is connected to the right side of the branch pipe 3, and the return pipe 7 is connected to the left side of the collector pipe 4. This arrangement allows the cooling water in each heat exchange pipe 5 to flow effectively, ensuring uniform heat dissipation at all locations of the furnace body 1.

[0026] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0027] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units described above may be implemented in other ways in practice. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0028] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0029] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A high-temperature vacuum atmosphere medium-frequency induction heating furnace, characterized in that, The furnace body (1) includes a heat-conducting plate (2) installed on the outer wall of the furnace body (1). The heat-conducting plate (2) is annular and fits against the outer wall of the furnace body (1). A diversion pipe (3) is installed on the upper outer wall of the heat-conducting plate (2), and a collector pipe (4) is installed on the lower outer wall of the heat-conducting plate (2). A heat exchange pipe (5) is connected between the diversion pipe (3) and the collector pipe (4). The inner diameter of the diversion pipe (3) and the collector pipe (4) is much larger than that of the heat exchange pipe (5). The heat exchange pipe (5) fits against the outer wall of the heat-conducting plate (2) and is equipped with... Several groups are arranged in a circular array around the center of the heat-conducting plate (2). The side of the diversion pipe (3) is connected to the inlet pipe (6), and the side of the collection pipe (4) is connected to the return pipe (7). The other end of the inlet pipe (6) is connected to the water tank (8). A water pump (9) is installed inside the water tank (8). The outlet of the water pump (9) is connected to the inlet pipe (6). A heat dissipation rack (10) is installed on the top of the water tank (8). The return pipe (7) is connected to the top of the heat dissipation rack (10). A fan (11) is installed on the rear side of the heat dissipation rack (10).

2. The high-temperature vacuum atmosphere medium-frequency induction heating furnace as described in claim 1, characterized in that, The heat sink (10) has a diversion groove (12) installed at the top inside, and the bottom of the diversion groove (12) has equidistant return holes (13).

3. The high-temperature vacuum atmosphere medium-frequency induction heating furnace as described in claim 2, characterized in that, A diversion rod (14) is installed on the lower side of the diversion channel (12), and the diversion rod (14) is fixed to the inner wall of the return hole (13).

4. A high-temperature vacuum atmosphere medium-frequency induction heating furnace as described in claim 3, characterized in that, The diversion rod (14) is fixed to the inner wall of each return hole (13), and the diversion rod (14) is S-shaped.

5. A high-temperature vacuum atmosphere medium-frequency induction heating furnace as described in claim 1, characterized in that, The rear side wall of the heat sink (10) has a slot, and a dustproof net (15) is installed at the slot. The air outlet of the fan (11) faces the dustproof net (15). The front side of the heat sink (10) has an air outlet slot (16), which is opened at an upward angle from the inside to the outside.

6. A high-temperature vacuum atmosphere medium-frequency induction heating furnace as described in claim 1, characterized in that, The inlet pipe (6) is connected to the right side of the branch pipe (3), and the return pipe (7) is connected to the left side of the collector pipe (4).