Aluminum alloy annealing furnace capable of recovering waste heat

By designing a sealing storage device and an exchange and recycling device in an aluminum alloy annealing furnace, the problem of heat waste during cooling of the annealing furnace is solved, efficient recycling and reuse of waste heat is achieved, and overall efficiency is improved.

CN222908018UActive Publication Date: 2025-05-27JIANGSU JINZHOU GENERAL MACHINERY CO LTD
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Patent Information

Application Number
CN202421463089.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-05-27
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

The existing aluminum alloy annealing furnace is dissipated in the air during cooling, resulting in waste of heat. The existing waste heat recovery device is not effective in use and cannot effectively collect and reuse waste heat.

Method used

An aluminum alloy annealing furnace including a sealing storage device and an exchange and recovery device is designed. The sealing and storage device forms a sealing frame through the combination of heat exchanger, sealing plate, insulation pad, butt plug and docking socket to avoid heat waste. The exchange and recovery device transmits the waste heat in the furnace body to the internal heat storage parts for storage through a heat recovery tube, a circulation conveying pipe and an inlet tube. The internal heat storage parts are easily disassembled and applied through magnetic suction connection.

Benefits of technology

It realizes efficient recycling and reuse of waste heat during cooling of aluminum alloy annealing furnace, avoids heat waste, and is designed for easy installation and use, improving overall efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of aluminum alloy annealing furnaces, and discloses an aluminum alloy annealing furnace capable of recovering waste heat, which comprises a furnace body, a furnace door is arranged on the front side of the furnace body, a sealing storage device is arranged at the top of the furnace body, an exchange recovery device is arranged in the furnace body, and a heating assembly is fixedly connected to the top of the furnace body. The sealing storage device comprises heat exchangers, sealing plates, heat preservation pads, butt joint inserting columns and butt joint sockets, and the heat exchangers are fixedly connected to the two sides of the top of the furnace body. According to the aluminum alloy annealing furnace capable of recovering the waste heat, the sealing storage device is arranged, heat energy is transmitted to the inner heat storage piece through the heat recovery pipe, the circulating conveying pipe and the ingress pipe to be stored, the heat energy is transmitted from the heat recovery pipe to the ingress pipe and from the circulating conveying pipe to the ingress pipe, and finally the heat energy enters the inner heat storage piece through the ingress pipe to be stored; and the inner heat storage piece is connected through magnetic attraction and can be conveniently detached for application, and waste heat recycling is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy annealing furnaces, in particular to an aluminum alloy annealing furnace capable of recovering waste heat. Background Technique

[0002] An aluminum alloy annealing furnace is a device used for the annealing process, which means slowly heating the aluminum alloy to a certain temperature, maintaining for a sufficient time, and then cooling at an appropriate speed. The purpose is to reduce hardness, improve machinability; reduce residual stress, stabilize dimensions, reduce deformation and crack tendency; refine grains, adjust the structure, and eliminate structural defects. When the aluminum alloy is cooled, a large amount of heat is dissipated into the air, resulting in a large amount of heat loss, which does not meet the requirements of energy conservation and environmental protection.

[0003] The prior art discloses an aluminum alloy annealing furnace capable of recovering waste heat with the publication number: CN220300801U, belonging to the technical field of aluminum alloy annealing; including legs, the legs are fixedly connected upward with a furnace body, and a heating device is arranged inside the furnace body; a feed hole is opened above the furnace body, and an end cover is arranged in the feed hole; a placement table is fixedly arranged inside the furnace body, and a groove is opened below the placement table; a sliding groove corresponding to the position of the groove is opened on the inner wall of the furnace body, and a heat conducting plate is slidably arranged in the sliding groove; the heat conducting plate is fixedly connected downward with a heat conducting column. This application can export and recover the waste heat in the furnace body during annealing and cooling by setting a heat conducting plate, and there is no need to use power devices such as blowers, which can solve the problem that the existing waste heat recovery devices will cause waste of other energy sources.

[0004] The above-mentioned aluminum alloy annealing furnace can export and recover the heat in the furnace body during annealing and cooling by setting a heat conducting plate, and there is no need to use power devices such as blowers, saving the power source. However, the above-mentioned device will have a storage device after recovery, but it cannot collect the heat during transmission, still causing waste, and the effect during use is not good, so it needs to be improved. Content of the Utility Model

[0005] The purpose of the utility model is to provide an aluminum alloy annealing furnace capable of recovering waste heat to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an aluminum alloy annealing furnace capable of recovering waste heat, including a furnace body, a furnace door is arranged on the front surface of the furnace body, a sealed storage device is arranged on the top of the furnace body, an exchange and recovery device is arranged inside the furnace body, and a heating component is fixedly connected to the top of the furnace body.

[0007] The sealed storage device includes a heat exchanger, a sealing plate, a heat insulation pad, a docking plug and a docking socket. The heat exchanger is fixedly connected to both sides of the top of the furnace body. The docking socket is fixedly connected to the top of the furnace body. The sealing plate is fixedly connected to the top of the docking plug. The heat insulation pad is fixedly connected to the top of the sealing plate.

[0008] Preferably, the exchange and recovery device includes a heat recovery pipe, a circulating delivery pipe, an internal heat storage member and an inlet pipe. The heat recovery pipe is fixedly connected to the top of the heat exchanger. The circulating delivery pipe is fixedly connected to the side of the heat exchanger. The internal heat storage member is magnetically connected to the bottom of the heat recovery pipe.

[0009] Preferably, the side of the circulating delivery pipe away from the heat exchanger extends through the interior of the furnace body. Heat energy is transmitted to the internal heat storage member through the heat recovery pipe, the circulating delivery pipe and the inlet pipe for storage. The transmission direction is from the heat recovery pipe to the inlet pipe and from the circulating delivery pipe to the inlet pipe. Finally, it enters the internal heat storage member through the inlet pipe for storage. The pipes in the exchange and recovery device all play a role in conveying.

[0010] Preferably, the heat recovery pipe penetrates through the top of the furnace body and extends to be connected to the interior of the furnace body.

[0011] Preferably, the inlet pipe is fixedly connected to the side of the circulating delivery pipe close to the furnace body. The side of the inlet pipe away from the circulating delivery pipe is connected to the side of the internal heat storage member.

[0012] Preferably, a docking jack is provided at the top of the docking socket, and the aperture of the docking jack is adapted to the diameter of the docking plug.

[0013] Preferably, the docking plug is inserted into the interior of the docking socket. The heat insulation pads are arranged at equal intervals on the top of the sealing plate. The docking plug is aligned with the docking jack inside the docking socket and inserted, which can facilitate the installation to form a rectangular frame, covering the heat recovery pipe to play a role of airtight protection and avoiding heat waste.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] 1. For this aluminum alloy annealing furnace capable of recovering waste heat, by providing a sealed storage device, heat energy is transmitted to the internal heat storage member through the heat recovery pipe, the circulating delivery pipe and the inlet pipe for storage. The transmission direction is from the heat recovery pipe to the inlet pipe and from the circulating delivery pipe to the inlet pipe. Finally, it enters the internal heat storage member through the inlet pipe for storage. And the internal heat storage member is magnetically connected, which can be conveniently disassembled for application, realizing the reuse of waste heat.

[0016] 2. The aluminum alloy annealing furnace capable of recovering waste heat is provided with an exchange and recovery device. Align the docking plug column at the bottom of the sealing plate member with the docking jack inside the docking socket, and then insert it. It can be pressed on the top of the docking socket to form a rectangular frame with the docking socket, playing a role in airtight protection and avoiding heat waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the whole utility model;

[0018] Figure 2 For the present utility model Figure 1 It is an enlarged structural schematic diagram at position A in the present utility model;

[0019] Figure 3 It is a bottom view structural schematic diagram of the whole utility model;

[0020] Figure 4 For the present utility model Figure 3 It is an enlarged structural schematic diagram at position B in the present utility model;

[0021] Figure 5 It is a bottom view structural schematic diagram of the interior of the furnace body of the present utility model.

[0022] In the figure: 1. Furnace body; 2. Furnace door; 3. Sealing and preservation device; 301. Heat exchanger; 302. Sealing plate member; 303. Heat preservation pad; 304. Docking plug column; 305. Docking socket; 4. Exchange and recovery device; 401. Heat recovery pipe; 402. Circulating conveying pipe; 403. Internal heat storage member; 404. Introduction pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-5 , the present utility model provides the following technical solutions:

[0025] An aluminum alloy annealing furnace capable of recovering waste heat includes a furnace body 1, a furnace door 2 is arranged on the front of the furnace body 1, a sealing and preservation device 3 is arranged on the top of the furnace body 1, an exchange and recovery device 4 is arranged inside the furnace body 1, and a heating component is fixedly connected to the top of the furnace body 1.

[0026] The sealed storage device 3 includes a heat exchanger 301, a sealing plate 302, a heat insulation pad 303, a docking plug 304 and a docking socket 305. The heat exchanger 301 is fixedly connected to both sides of the top of the furnace body 1. The docking socket 305 is fixedly connected to the top of the furnace body 1. The sealing plate 302 is fixedly connected to the top of the docking plug 304. The heat insulation pad 303 is fixedly connected to the top of the sealing plate 302. The docking plug 304 is inserted into the inside of the docking socket 305. The heat insulation pads 303 are arranged at equal intervals on the top of the sealing plate 302. The docking plug 304 aligns with the docking hole inside the docking socket 305 and is inserted, which can facilitate the installation to form a rectangular frame, covering the heat recovery pipe 401 to play a role of airtight protection, avoiding heat waste. The top of the docking socket 305 is provided with a docking hole, and the aperture of the docking hole is adapted to the diameter of the docking plug 304.

[0027] The heat exchange and recovery device 4 includes a heat recovery pipe 401, a circulating delivery pipe 402, an internal heat storage member 403 and an inlet pipe 404. The heat recovery pipe 401 is fixedly connected to the top of the heat exchanger 301. The circulating delivery pipe 402 is fixedly connected to the side of the heat exchanger 301. The internal heat storage member 403 is magnetically connected to the bottom of the heat recovery pipe 401. The side of the circulating delivery pipe 402 away from the heat exchanger 301 extends through the inside of the furnace body 1. The heat energy is transmitted to the internal heat storage member 403 for storage through the heat recovery pipe 401, the circulating delivery pipe 402 and the inlet pipe 404. The transmission direction is from the heat recovery pipe 401 to the inlet pipe 404 and from the circulating delivery pipe 402 to the inlet pipe 404, and finally enters the internal heat storage member 403 through the inlet pipe 404 for storage. The pipes in the heat exchange and recovery device 4 all play a role of conveying. The heat recovery pipe 401 penetrates the top of the furnace body 1 and extends and is connected to the inside of the furnace body 1. The inlet pipe 404 is fixedly connected to the side of the circulating delivery pipe 402 close to the furnace body 1. The side of the inlet pipe 404 away from the circulating delivery pipe 402 is connected to the side of the internal heat storage member 403.

[0028] In use, start the heating assembly at the top of the furnace body 1, including heating elements and a temperature controller. The heating elements are evenly distributed on the inner wall of the furnace body, and the temperature of the heating elements is controlled through the temperature controller to achieve uniform annealing of the aluminum alloy material. Then, it is necessary to recover and store the heat. The heat exchanger 301 is arranged at the top of the furnace body and is connected to the inside of the furnace body through the heat recovery pipe 401. During the annealing process, the heat exchanger 301 recovers the waste heat generated inside the furnace body 1 and transmits the thermal energy to the internal heat storage member 403 for storage through the heat recovery pipe 401, the circulation delivery pipe 402, and the introduction pipe 404. The transmission direction is from the heat recovery pipe 401 to the introduction pipe 404 and from the circulation delivery pipe 402 to the introduction pipe 404, and finally enters the internal heat storage member 403 through the introduction pipe 404 for storage. The internal heat storage member 403 is magnetically connected and can be conveniently disassembled for application, realizing the reuse of waste heat. And a sealing assembly is arranged above to prevent heat from leaking out from above. Align the docking plug post 304 at the bottom of the sealing plate member 302 with the docking jack inside the docking socket 305, and then insert it, which can be pressed on the top of the docking socket 305 to form a rectangular frame with the docking socket 305, playing a role of airtight protection and avoiding heat waste.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to the embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aluminum alloy annealing furnace capable of recovering waste heat, comprising a furnace body (1), characterized in that: The front of the furnace body (1) is provided with a furnace door (2), the top of the furnace body (1) is provided with a sealing storage device (3), the interior of the furnace body (1) is provided with an exchange recovery device (4), and the top of the furnace body (1) is fixedly connected with a heating component; The sealing and preservation device (3) comprises a heat exchanger (301), a sealing plate (302), a heat-insulating pad (303), a docking pin (304) and a docking socket (305); the heat exchanger (301) is fixedly connected to both sides of the top of the furnace body (1); the docking socket (305) is fixedly connected to the top of the furnace body (1); the sealing plate (302) is fixedly connected to the top of the docking pin (304); and the heat-insulating pad (303) is fixedly connected to the top of the sealing plate (302).

2. The aluminum alloy annealing furnace capable of recovering waste heat according to claim 1, characterized in that: The exchange recovery device (4) comprises a heat recovery pipe (401), a circulation delivery pipe (402), an internal heat storage component (403) and an introduction pipe (404); the heat recovery pipe (401) is fixedly connected to the top of the heat exchanger (301), the circulation delivery pipe (402) is fixedly connected to the side of the heat exchanger (301), and the internal heat storage component (403) is magnetically connected to the bottom of the heat recovery pipe (401).

3. The aluminum alloy annealing furnace capable of recovering waste heat according to claim 2, characterized in that: The circulating conveying pipe (402) extends through the interior of the furnace body (1) on the side away from the heat exchanger (301).

4. The aluminum alloy annealing furnace capable of recovering waste heat according to claim 2, characterized in that: The heat recovery pipe (401) passes through the top of the furnace body (1) and extends to be connected to the inside of the furnace body (1).

5. The aluminum alloy annealing furnace capable of recovering waste heat according to claim 2, characterized in that: The introduction pipe (404) is fixedly connected to the side of the circulation conveying pipe (402) close to the furnace body (1), and the side of the introduction pipe (404) away from the circulation conveying pipe (402) is connected to the side of the internal heat storage component (403).

6. The aluminum alloy annealing furnace capable of recovering waste heat according to claim 1, characterized in that: The top of the docking socket (305) is provided with a docking hole, the diameter of which matches the diameter of the docking post (304).

7. The aluminum alloy annealing furnace capable of recovering waste heat according to claim 1, characterized in that: The docking plug (304) is plugged into the interior of the docking socket (305), and the thermal insulation pads (303) are arranged at equal intervals on the top of the sealing plate (302).

Citation Information

Patent Citations

  • Aluminum alloy annealing furnace capable of recovering waste heat

    CN220300801U