Heat treatment tempering furnace capable of recycling waste heat

Abstract

The utility model discloses a tempering furnace for heat treatment capable of recycling waste heat, which relates to the technical field and comprises a furnace body, a secondary transduction plate is arranged at the top end of the furnace body, a plurality of heat-conducting fins are arranged on the inner side of the secondary transduction plate, and air blowers are arranged on two sides of the secondary transduction plate. An air outlet of the air blower is sleeved with a connecting pipe, a transverse pipe penetrates through the bottom end of the connecting pipe, a plurality of capillary pipes are connected to one side wall of the transverse pipe in a penetrating mode, a first-stage transduction plate is arranged at the top end of a second-stage transduction plate, two through pipes penetrate through the back face of the first-stage transduction plate, and one end of each through pipe is sleeved with a coiled pipe; and a base is arranged at the bottom end of the furnace body. By arranging a series of structures, multi-stage utilization of waste heat in the furnace is realized, so that the utilization efficiency of the waste heat of the tempering furnace is favorably improved, the state that the furnace door is not completely lifted and opened is not easy to occur, and the trolley can slide out of the furnace opening more favorably.

Description

Technical Field

[0001] This utility model relates to the technical field of metal heat treatment equipment, specifically a tempering furnace for heat treatment that can recycle waste heat. Background Technology

[0002] Tempering furnaces are used for tempering metal parts in air, as well as for quenching, annealing, or aging heat treatment of light alloy parts such as aluminum alloy die castings, pistons, and aluminum plates. They can eliminate residual stress after metal quenching and improve the toughness, plasticity, and dimensional stability of materials.

[0003] However, existing tempering furnaces generate a lot of waste heat during operation because they need to reheat the quenched metal. This waste heat is usually only circulated within the furnace through a circulation mechanism. When a large amount of waste heat is generated, it cannot be used immediately through circulation, making it difficult to utilize the waste heat efficiently. In addition, existing tempering furnaces typically use a sand trough and sand knife structure to seal the furnace opening. Therefore, the furnace door is opened or closed by being hoisted by a gantry frame. Before the trolley slides out, the furnace door needs to be hoisted and opened first. If the furnace door is not fully hoisted and opened, it may affect the normal sliding out of the trolley. Utility Model Content

[0004] The purpose of this invention is to provide a tempering furnace for heat treatment that can recycle waste heat, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a heat treatment tempering furnace for recyclable waste heat, comprising a furnace body, a secondary energy transducer plate at the top of the furnace body, a plurality of heat-conducting fins on the inner side of the secondary energy transducer plate, blowers on both sides of the secondary energy transducer plate, a connecting pipe sleeved at the air outlet of the blower, a horizontal pipe penetrating through the bottom end of the connecting pipe, a plurality of capillary tubes penetrating through one side wall of the horizontal pipe, a primary energy transducer plate at the top of the secondary energy transducer plate, two through pipes penetrating through the back of the primary energy transducer plate, a serpentine tube sleeved at one end of the through pipes, and a base at the bottom of the furnace body;

[0006] The base has a guide rail at its top, and a trolley is slidably connected to the top of the guide rail. A horizontal plate is provided in the middle of the front of the trolley, and a forward and reverse motor is installed on the front of the horizontal plate. A spur gear is engaged at the output end of the forward and reverse motor. Inserts are provided at the top and bottom of the spur gear. Side blocks are provided on both sides of the front of the furnace body, and a heating system is provided on the inner side of the furnace body.

[0007] Preferably, the interior of the through pipe is connected to the interior of the serpentine tube, and the interior of the serpentine tube is filled with a heat transfer medium.

[0008] Preferably, the air inlet of the blower is connected to the interior of the secondary transducer plate, and the bottom end of the secondary transducer plate is attached to the top end of the furnace body.

[0009] Preferably, both outer walls of the furnace body are provided with insulation boards, and the capillary tube is connected through the insulation board located at the bottom of the side wall of the furnace body.

[0010] Preferably, the side wall of the side block has an insertion port, and the insertion post is connected to the side block through the insertion port.

[0011] Preferably, the horizontal plate has two sliding tracks inside, and the two inserts are slidably connected to the horizontal plate through the two sliding tracks respectively.

[0012] Preferably, the bottom end of one of the inserts and the top end of the other insert are each provided with multiple gear teeth, and both inserts are connected to the spur gear through the gear teeth.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This heat treatment tempering furnace that can recycle waste heat, through a primary energy transducer plate, a through pipe, a secondary energy transducer plate, and a connecting pipe, allows the waste heat generated in the tempering furnace to be directly transferred back into the furnace for recycling through the heat-conducting plate in the secondary energy transducer plate and the connecting pipe. It can also allow excess waste heat to rise to the primary energy transducer plate to heat and transport the cold water in the through pipe, realizing multi-stage utilization of waste heat in the furnace, thereby improving the utilization efficiency of waste heat in the tempering furnace.

[0015] 2. This heat treatment tempering furnace that can recycle waste heat uses a horizontal plate, a forward and reverse motor, inserts, gears, and side blocks to ensure that the sealing plate on the trolley can be locked in place by the inserts and side blocks on both sides when it closes with the furnace body. When the trolley slides out from the furnace opening, the horizontal plate moves synchronously with the trolley, and the side blocks do not interfere with the movement of the trolley, making it less likely that the furnace door will not be fully opened, thus facilitating the sliding of the trolley out of the furnace opening. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the forward and reverse reversing motor and the horizontal plate structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the insert and spur gear structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the primary transducer plate and conduit structure of this utility model.

[0020] In the diagram: 1. Primary transducer plate; 2. Through pipe; 3. Secondary transducer plate; 4. Blower; 5. Furnace body; 6. Connecting pipe; 7. Insulation board; 8. Horizontal pipe; 9. Trolley; 10. Side block; 11. Insert column; 12. Horizontal plate; 13. Forward and reverse motor; 14. Base; 15. Guide rail; 16. Spur gear; 17. Heating system; 18. Heat-conducting plate; 19. Serpentine tube; 20. Capillary tube; 21. Gear tooth; 22. Slide rail. Detailed Implementation

[0021] 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.

[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] like Figures 1 to 4As shown, the heat treatment tempering furnace for recycling waste heat in this embodiment includes a furnace body 5. A secondary energy transducer plate 3 is provided at the top of the furnace body 5. Several heat-conducting plates 18 are provided on the inner side of the secondary energy transducer plate 3. Blowers 4 are provided on both sides of the secondary energy transducer plate 3. A connecting pipe 6 is sleeved on the air outlet of the blower 4. A horizontal pipe 8 passes through the bottom end of the connecting pipe 6. A plurality of capillary tubes 20 are connected through one side wall of the horizontal pipe 8. A primary energy transducer plate 1 is provided at the top of the secondary energy transducer plate 3. Two through pipes 2 pass through the back of the primary energy transducer plate 1. A serpentine tube 19 is sleeved on one end of the through pipe 2. A base 14 is provided at the bottom of the furnace body 5.

[0025] The top of the base 14 is provided with a guide rail 15, and the top of the guide rail 15 is slidably connected to a trolley 9. A horizontal plate 12 is provided in the middle of the front of the trolley 9. A forward and reverse motor 13 is installed on the front of the horizontal plate 12. A spur gear 16 is engaged at the output end of the forward and reverse motor 13. Inserts 11 are provided at the top and bottom of the spur gear 16. Side blocks 10 are provided on both sides of the front of the furnace body 5. A heating system 17 is provided on the inner side of the furnace body 5.

[0026] Specifically, the furnace body 5 has a furnace opening on its front, allowing the trolley 9 to slide in or out of the furnace body 5 along the guide rail 15. The secondary transducer plate 3 is used to recycle the waste heat inside the furnace body 5. The heat-conducting sheet 18 is a solid heat-conducting material with excellent thermal conductivity, allowing waste heat to be quickly conducted through the top of the furnace body 5 to the secondary transducer plate 3. The blower 4 accelerates the flow of air from the secondary transducer plate 3 into the connecting pipe 6. The connecting pipe 6 is covered with insulation material, which can effectively reduce heat loss. To minimize heat loss, a vent is provided at the junction of the secondary transducer plate 3 and the furnace body 5, allowing the waste heat accumulated at the top of the furnace body 5 to be more quickly drawn into the blower 4 for recycling. The horizontal pipe 8 redirects the airflow from the blower 4, enabling the airflow to carry waste heat and disperse into the capillary tube 20. The capillary tube 20 further disperses the waste-heated airflow to the bottom of the furnace body 5, making the airflow more uniform when entering the furnace body 5, reducing disturbance to the heat inside the furnace body 5, and thus facilitating heat recovery. Heating occurs inside the furnace body 5. The primary heat exchanger plate 1 can reuse the residual heat that was not extracted from the secondary heat exchanger plate 3, allowing the heat transfer within the primary heat exchanger plate 1 to absorb and reuse excess heat. Two pipes 2, one for the heat transfer medium and the other for its outlet, allow the heat transfer medium to flow within the primary heat exchanger plate 1, thus enabling the heat transfer medium to be output and reused after heat absorption. The serpentine tube 19 ensures smooth flow of the heat transfer medium within the primary heat exchanger plate 1. The front of the trolley 9 is equipped with a furnace door sealing plate, which can close the furnace opening after the trolley 9 slides into the furnace body 5, and at the same time limit the sliding of the trolley 9. The forward and reverse motor 13 is controlled by an editable program in the controller to rotate in the forward or reverse direction. The spur gear 16 can drive the two inserts 11 to slide out from both ends of the horizontal plate 12 through the meshing of the gear teeth 21, so that the inserts 11 can be inserted into the side block 10. The heating system 17 is an electric heating system 17 in the prior art, which can heat the material in the tempering furnace.

[0027] Furthermore, the interior of the through pipe 2 is connected to the interior of the serpentine pipe 19, and the interior of the serpentine pipe 19 is filled with a heat transfer medium, so that the heat transfer medium can flow continuously within the first-stage transducer plate 1, thereby facilitating the absorption and utilization of waste heat by the heat transfer medium continuously entering the first-stage transducer plate 1.

[0028] Furthermore, the air inlet of the blower 4 is connected to the interior of the secondary transducer plate 3, and the bottom end of the secondary transducer plate 3 is attached to the top end of the furnace body 5, so that the heat inside the secondary transducer plate 3 can be quickly transferred to the bottom of the inner side of the furnace body 5, thereby realizing the recycling of the waste heat at the top of the furnace body 5.

[0029] Furthermore, insulation boards 7 are provided on both outer walls of the furnace body 5. The capillary tube 20 is connected through the insulation board 7 located at the bottom of the side wall of the furnace body 5. The function of the insulation board 7 is to enhance the insulation effect of the furnace body 5 and reduce unnecessary heat loss.

[0030] Furthermore, the side wall of the side block 10 is provided with an insertion port, and the insertion post 11 is connected to the side block 10 through the insertion port. The function of the insertion port is to allow the insertion post 11 to be smoothly inserted into the side block 10, thereby realizing the interlocking and fixing of the insertion post 11 and the side block 10, so that the trolley 9 can be fixed to the outer shell of the furnace body 5.

[0031] Furthermore, two slide rails 22 are provided inside the horizontal plate 12, and two inserts 11 are slidably connected to the horizontal plate 12 through the two slide rails 22 respectively. The inserts 11 can extend or retract from both ends of the horizontal plate 12, thereby realizing the locking and unlocking of the trolley 9 and the outer shell of the furnace body 5.

[0032] Furthermore, the bottom end of one insertion post 11 and the top end of the other insertion post 11 are provided with multiple gear teeth 21. Both insertion posts 11 are connected to the spur gear 16 through the gear teeth 21. Through the meshing of the gear teeth 21, the insertion post 11 can slide along the horizontal plate 12, thereby realizing the engagement of the insertion post 11 with the side block 10.

[0033] The usage method of this embodiment is as follows: When using this heat treatment tempering furnace that can recycle waste heat, first connect the tempering furnace to an external power supply, and then send the quenched material into the furnace body 5 through the trolley 9. When the furnace door sealing plate on the front of the trolley 9 slides to be close to the furnace opening, the forward and reverse motor 13 will drive the spur gear 16 to rotate clockwise under the control of the controller. At this time, the spur gear 16 will rotate the gear teeth 21 on the meshing insert 11, so that the two inserts 11 slide out from both ends of the horizontal plate 12 along the slide 22 and insert into the opening of the side block 10, so that the trolley 9 is locked and fixed to the outer shell of the furnace body 5. Then the furnace body 5 will start heating the material. After the tempering furnace has been running for a period of time Afterwards, the residual heat in the tempering furnace will rise and move into the secondary transducer plate 3, where it will be absorbed by the heat-conducting plate. Then, the blower 4 can be turned on to blow the heat in the secondary transducer plate 3 into the connecting pipe 6. The airflow heated by the residual heat in the secondary transducer plate 3 will enter the horizontal pipe 8 and then be blown into the bottom of the inner side of the furnace body 5 from the capillary tube 20 at the end of the horizontal pipe 8, so that the residual heat will return to the furnace body 5 for recycling. The excess residual heat in the secondary transducer plate 3 will continue to rise and be absorbed by the heat transfer medium flowing in the serpentine tube 19 of the primary transducer plate 1, so that the primary transducer plate 1 will continue to reuse the unused residual heat in the secondary transducer plate 3.

[0034] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is 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. A tempering furnace for heat treatment that can recycle waste heat, comprising a furnace body (5), characterized in that: The furnace body (5) is provided with a secondary energy transducer plate (3) at the top. Several heat-conducting plates (18) are provided on the inner side of the secondary energy transducer plate (3). Blowers (4) are provided on both sides of the secondary energy transducer plate (3). A connecting pipe (6) is sleeved on the air outlet of the blower (4). A horizontal pipe (8) passes through the bottom end of the connecting pipe (6). Multiple capillary tubes (20) are connected through one side wall of the horizontal pipe (8). A primary energy transducer plate (1) is provided at the top of the secondary energy transducer plate (3). Two through pipes (2) pass through the back of the primary energy transducer plate (1). A serpentine tube (19) is sleeved on one end of the through pipe (2). A base (14) is provided at the bottom end of the furnace body (5). The top of the base (14) is provided with a guide rail (15), and a trolley (9) is slidably connected to the top of the guide rail (15). A horizontal plate (12) is provided in the middle of the front of the trolley (9). A forward and reverse motor (13) is installed on the front of the horizontal plate (12). A spur gear (16) is engaged at the output end of the forward and reverse motor (13). Inserts (11) are provided at the top and bottom of the spur gear (16). Side blocks (10) are provided on both sides of the front of the furnace body (5). A heating system (17) is provided on the inner side of the furnace body (5).

2. The tempering furnace for heat treatment with recyclable waste heat according to claim 1, characterized in that: The interior of the through pipe (2) is connected to the interior of the serpentine pipe (19), and the interior of the serpentine pipe (19) is filled with a heat transfer medium.

3. A tempering furnace for heat treatment with recyclable waste heat according to claim 1, characterized in that: The air inlet of the blower (4) is connected to the interior of the secondary energy transducer plate (3), and the bottom end of the secondary energy transducer plate (3) is attached to the top end of the furnace body (5).

4. A tempering furnace for heat treatment with recyclable waste heat according to claim 1, characterized in that: The furnace body (5) is provided with insulation plates (7) on both sides of the outer wall, and the capillary tube (20) is connected through the insulation plate (7) located at the bottom of the side wall of the furnace body (5).

5. A tempering furnace for heat treatment with recyclable waste heat according to claim 1, characterized in that: The side wall of the side block (10) is provided with an insertion port, and the insertion post (11) is connected to the side block (10) through the insertion port.

6. A tempering furnace for heat treatment with recyclable waste heat according to claim 1, characterized in that: The inside of the horizontal plate (12) has two slides (22), and the two inserts (11) are slidably connected to the horizontal plate (12) through the two slides (22).

7. A tempering furnace for heat treatment with recyclable waste heat according to claim 1, characterized in that: The bottom end of one of the inserts (11) and the top end of the other insert (11) are provided with multiple gear teeth (21), and both inserts (11) are connected to the spur gear (16) through the gear teeth (21).

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