Trolley type tempering furnace for tempering tank body

Abstract

The utility model discloses a trolley type tempering furnace for tank tempering treatment, which comprises a protective cover, a cover plate, an air blower and a tempering furnace main body, the protective cover is fixed at the lower part of the tempering furnace main body, the air blower is arranged inside the protective cover, an access door is arranged on the protective cover, and two ends of the air blower are respectively connected with an air conveying pipe and an air return pipe. A tuyere is arranged at the lower end in the tempering furnace body and fixedly connected with an air conveying pipe and an air return pipe, a first heat preservation layer is arranged on the inner wall of the tempering furnace body, an electric heating wire is arranged in the tempering furnace body, a connecting frame is arranged in the middle of the electric heating wire, and an air separation layer is fixed between the lower end of the connecting frame and the lower end in the tempering furnace body. The cover plate is arranged on the upper portion of the tempering furnace body. The heat treatment device is good in heat treatment effect, easy to cool slowly and easy to take and place materials.

Description

Technical Field

[0001] The utility model relates to the technical field of tempering furnaces, in particular to a trolley-type tempering furnace for tank tempering treatment. Background Art

[0002] Trolley type tempering furnace, full name all-fiber large trolley type tempering furnace (hereinafter referred to as electric furnace), there are many types of trolley type tempering furnace, including trolley type strong hot air circulation tempering furnace, which can be tank-shaped. The tempering furnace is mainly used for heat treatment of metal or alloy parts at rated temperature.

[0003] The existing trolley-type tempering furnace for tank tempering has some disadvantages. First, the hot air has a short flow path in the tempering furnace and flows too fast, which has a poor heat treatment effect on the material. Second, it is not easy to cool the material slowly, and the material cannot be taken out after the slow cooling, which is not practical. Third, it is not easy to take and put the material, which increases extra manpower. Utility Model Content

[0004] The utility model aims to provide a trolley type tempering furnace for tempering a tank body, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a trolley-type tempering furnace for tank tempering treatment, comprising a protective cover, a cover plate, a blower and a tempering furnace body, the protective cover is fixed at the lower part of the tempering furnace body, the blower is arranged inside the protective cover, the protective cover is provided with an inspection door, the two ends of the blower are respectively connected to an air supply pipe and a return air pipe, the lower end of the interior of the tempering furnace body is provided with a wind nozzle, and the wind nozzle is respectively fixedly connected to the air supply pipe and the return air pipe, the inner wall of the tempering furnace body is provided with a heat preservation layer, the interior of the tempering furnace body is provided with an electric heating wire, and a connecting frame is provided in the middle of the electric heating wire, and a wind barrier layer is fixed between the lower end of the connecting frame and the lower end of the interior of the tempering furnace body.

[0006] Preferably, the cover plate is arranged on the upper part of the tempering furnace body, and a second insulation layer is arranged at the lower end of the cover plate.

[0007] Preferably, a support plate is fixed to the upper end of the cover plate, and a cylinder is fixed between the lower end of the support plate and the lower part of the tempering furnace body.

[0008] Preferably, a connection cover is connected to the upper end of the cover plate, and a support cover is fixed to the upper end of the connection cover.

[0009] Preferably, an electric push rod is fixed to the upper end of the support cover, a pressure plate is slidably connected in the connection cover, and the upper end of the pressure plate is fixedly connected to the lower end of the electric push rod, and a sealing plate is provided at the lower end of the pressure plate.

[0010] Preferably, a side portion of the connection cover is provided with a clearance groove, and an air outlet is provided on an upper portion of the clearance groove.

[0011] Preferably, a connecting rod is connected to the lower end of the cover plate, and a accommodating bin is provided at the lower end of the connecting rod, and an air exchange port is provided at the lower end of the accommodating bin.

[0012] Compared with the prior art, the utility model has the following beneficial effects: good heat treatment effect, easy and slow cooling, and easy to take and put materials;

[0013] (1) Under the action of the blower, the air flow is transported to the interior of the tempering furnace through the air duct and the air nozzle. Under the action of the electric heating wire, the air flow forms a high-temperature air flow, which can heat treat the material. The hot air flow passes through the air nozzle and then flows into the blower through the return air duct for hot air circulation. The second insulation layer can cooperate with the first insulation layer to avoid the high temperature loss in the tempering furnace body, which is beneficial to saving and reducing emissions. The wind isolation layer can increase the flow path of the air flow between the two air nozzles, improve the heat treatment effect, and achieve good heat treatment effect.

[0014] (2) The electric push rod is extended and retracted, driving the pressure plate to rise and fall, and then driving the sealing plate to rise and fall. When the sealing plate moves to a position higher than the clearance slot, the air outlet and the tempering furnace body can exchange heat, which can facilitate the cooling of the tempering furnace body after the heat treatment of the material is completed. In this way, the purpose of slowly cooling the material can be achieved, and the uneven temperature gradient in the steel during air cooling, cracks and deformation, can be avoided, and slow cooling can be facilitated.

[0015] (3) The storage bin can be used to place materials, and the air exchange port allows the bottom of the materials to contact the hot air, which is beneficial to uniform heat treatment. The cylinder can be extended and retracted to drive the cover plate to rise and fall, which is beneficial to the placement and removal of materials before and after heat treatment, avoiding hot air from hurting people and making it easy to place and take materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the cover plate and the storage bin structure of the utility model;

[0019] Figure 4 For the utility model Figure 3 The enlarged structural diagram at A in the middle;

[0020] Figure 5 This is a schematic diagram of the protective cover and blower structure of the utility model;

[0021] In the figure: 1. Support plate; 2. Inspection door; 3. Insulation layer 1; 4. Heating wire; 5. Air nozzle; 6. Connecting frame; 7. Tempering furnace body; 8. Cylinder; 9. Support cover; 10. Connecting cover; 11. Air exchange port; 12. Storage bin; 13. Connecting rod; 14. Insulation layer 2; 15. Cover plate; 16. Electric push rod; 17. Air outlet; 18. Make way slot; 19. Press plate; 20. Sealing plate; 21. Air duct; 22. Protective cover; 23. Blower; 24. Return air duct; 25. Wind barrier.

[0022] Detailed description of the invention Barrel

[0023] 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. 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.

[0024] See also Figure 1-5 The utility model provides an embodiment: a trolley-type tempering furnace for tank tempering treatment, comprising a protective cover 22, a cover plate 15, a blower 23 and a tempering furnace body 7, the protective cover 22 is fixed to the lower part of the tempering furnace body 7, the blower 23 is arranged inside the protective cover 22, and an inspection door 2 is arranged on the protective cover 22, the two ends of the blower 23 are respectively connected to an air supply pipe 21 and a return air pipe 24, a tuyere 5 is arranged at the lower end of the interior of the tempering furnace body 7, and the tuyere 5 is respectively fixedly connected to the air supply pipe 21 and the return air pipe 24, the inner wall of the tempering furnace body 7 is provided with a heat preservation layer 3, and the interior of the tempering furnace body 7 is provided with an electric heating wire 4;

[0025] When in use, under the action of the blower 23, the air flow is transported to the interior of the tempering furnace body 7 through the air delivery pipe 21 and the air nozzle 5. Under the action of the electric heating wire 4, the air flow forms a high-temperature air flow, which can heat-treat the material. The hot air flow passes through the air nozzle 5 and then flows into the blower 23 through the return air pipe 24 to perform hot air circulation, which is beneficial to saving and reducing emissions.

[0026] A connecting frame 6 is provided in the middle of the electric heating wire 4, and a wind-proof layer 25 is fixed between the lower end of the connecting frame 6 and the lower end of the interior of the tempering furnace body 7;

[0027] When in use, the wind-blocking layer 25 can increase the flow path of the airflow between the two air nozzles 5, thereby improving the heat treatment effect;

[0028] A support plate 1 is fixed to the upper end of the cover plate 15, and a cylinder 8 is fixed between the lower end of the support plate 1 and the lower part of the tempering furnace body 7;

[0029] When in use, the cylinder 8 is extended and retracted, which can drive the cover plate 15 to rise and fall, which is beneficial to the taking and placing of materials before and after heat treatment, and avoids hot air from hurting people;

[0030] The cover plate 15 is arranged on the upper part of the tempering furnace body 7, and the lower end of the cover plate 15 is provided with a second insulation layer 14;

[0031] When in use, the second insulation layer 14 can cooperate with the first insulation layer 3 to prevent the high temperature in the tempering furnace body 7 from being lost;

[0032] The upper end of the cover plate 15 is connected to a connection cover 10, and a support cover 9 is fixed to the upper end of the connection cover 10, an electric push rod 16 is fixed to the upper end of the support cover 9, a pressing plate 19 is slidably connected in the connection cover 10, and the upper end of the pressing plate 19 is fixedly connected to the lower end of the electric push rod 16, and a sealing plate 20 is provided at the lower end of the pressing plate 19;

[0033] When in use, the electric push rod 16 is extended and retracted, driving the pressing plate 19 to rise and fall, thereby driving the sealing plate 20 to rise and fall;

[0034] A clearance groove 18 is provided on the side of the connection cover 10, and an air outlet 17 is provided on the upper part of the clearance groove 18;

[0035] When in use, when the sealing plate 20 moves to a position higher than the clearance groove 18, the air outlet 17 and the tempering furnace body 7 can exchange heat, which can facilitate the cooling of the tempering furnace body 7 after the heat treatment of the material is completed, thereby achieving the purpose of slowly cooling the material, and avoiding uneven temperature gradient in the steel during air cooling, resulting in cracks and deformation;

[0036] The lower end of the cover plate 15 is connected to a connecting rod 13, and the lower end of the connecting rod 13 is provided with a receiving chamber 12, and the lower end of the receiving chamber 12 is provided with an air exchange port 11;

[0037] When in use, the containing bin 12 can be used to place materials, and the air exchange port 11 can allow the bottom of the materials to contact with the hot air, which is conducive to uniform heat treatment;

[0038] When the embodiment of the present application is in use: first, the cylinder 8 is extended and retracted to drive the cover plate 15 to rise and fall, which is beneficial to the taking and placing of the materials before and after the heat treatment, and avoids the hot air from hurting people. The storage bin 12 can place the materials, and the air exchange port 11 can make the bottom of the materials also contact with the hot air, which is beneficial to the uniform heat treatment. Moreover, under the action of the blower 23, the air flow is transported to the inside of the tempering furnace body 7 through the air delivery pipe 21 and then through the air nozzle 5. Under the action of the electric heating wire 4, the air flow forms a high-temperature airflow, which can heat treat the materials. The hot air flow after the action passes through the air nozzle 5 and then flows into the blower 23 through the return air pipe 24 to circulate the hot air. The insulation layer 2 14 can cooperate with the insulation layer 1 3 to avoid the tempering furnace body The high temperature in the body 7 is lost, which is beneficial to energy conservation and emission reduction. The wind isolation layer 25 can increase the flow path of the airflow between the two air nozzles 5 and improve the heat treatment effect. In addition, the electric push rod 16 is extended and retracted to drive the pressure plate 19 to rise and fall, and then drive the sealing plate 20 to rise and fall. When the sealing plate 20 moves to a position higher than the give way slot 18, the air outlet 17 and the tempering furnace body 7 can exchange heat, which can be beneficial to the cooling of the tempering furnace body 7 after the heat treatment of the material is completed. In this way, the purpose of slowly cooling the material can be achieved, and the uneven temperature gradient in the steel during air cooling can be avoided, which can avoid cracks and deformation. In addition, in summary, the tempering furnace has good heat treatment effect, is easy to cool slowly, and is easy to take and put materials.

Claims

1. The trolley type tempering furnace for tank tempering treatment is characterized by: The invention comprises a protective cover (22), a cover plate (15), a blower (23) and a tempering furnace body (7), wherein the protective cover (22) is fixed at the lower part of the tempering furnace body (7), the blower (23) is arranged inside the protective cover (22), an inspection door (2) is arranged on the protective cover (22), two ends of the blower (23) are respectively connected to an air supply pipe (21) and a return air pipe (24), a tuyere (5) is arranged at the lower end inside the tempering furnace body (7), and the tuyere (5) is respectively fixedly connected to the air supply pipe (21) and the return air pipe (24), an inner wall of the tempering furnace body (7) is provided with a heat-insulating layer (3), an electric heating wire (4) is arranged inside the tempering furnace body (7), and a connecting frame (6) is arranged in the middle of the electric heating wire (4), and a wind-proof layer (25) is fixed between the lower end of the connecting frame (6) and the lower end inside the tempering furnace body (7).

2. The trolley type tempering furnace for tank tempering treatment according to claim 1, characterized in that: The cover plate (15) is arranged on the upper part of the tempering furnace body (7), and a second heat-insulating layer (14) is arranged at the lower end of the cover plate (15).

3. The trolley type tempering furnace for tank tempering treatment according to claim 2, characterized in that: A support plate (1) is fixed to the upper end of the cover plate (15), and a cylinder (8) is fixed between the lower end of the support plate (1) and the lower part of the tempering furnace body (7).

4. The trolley type tempering furnace for tank tempering treatment according to claim 3 is characterized in that: The upper end of the cover plate (15) is connected to a connection cover (10), and the upper end of the connection cover (10) is fixed to a support cover (9).

5. The trolley type tempering furnace for tank tempering treatment according to claim 4, characterized in that: An electric push rod (16) is fixed to the upper end of the support cover (9), a pressure plate (19) is slidably connected to the connection cover (10), and the upper end of the pressure plate (19) is fixedly connected to the lower end of the electric push rod (16), and a sealing plate (20) is provided at the lower end of the pressure plate (19).

6. The trolley type tempering furnace for tank tempering treatment according to claim 5, characterized in that: A clearance groove (18) is provided on the side of the connection cover (10), and an air outlet (17) is provided on the upper part of the clearance groove (18).

7. The trolley type tempering furnace for tank tempering treatment according to claim 4, characterized in that: The lower end of the cover plate (15) is connected to a connecting rod (13), and the lower end of the connecting rod (13) is provided with a accommodating bin (12), and the lower end of the accommodating bin (12) is provided with an air exchange port (11).

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