A heating furnace for high-strength wear-resistant forgings

Abstract

This utility model relates to the field of forging processing technology and discloses a heating furnace for high-strength wear-resistant forgings. The furnace includes a furnace body with an internal cavity. The inner layer of the furnace body is made of aluminum alloy, with an insulation layer on the outer layer and a high-temperature resistant layer on the inner layer. The insulation layer is made of lightweight refractory fiber material, and the high-temperature resistant layer is constructed of high-alumina refractory bricks. In this utility model, multiple heating elements are activated by operation on the control box to heat the wear-resistant forgings. Temperature sensors monitor the temperature inside the furnace body to achieve temperature control, resulting in a more uniform temperature within the furnace. Nitrogen gas is supplied to the furnace body through a nitrogen supply pipe, and a flow regulating valve adjusts the nitrogen flow rate to maintain a stable inert atmosphere inside the furnace, preventing oxidation of the wear-resistant forgings during heating. This improves heating efficiency, reduces energy consumption, and ensures stable furnace atmosphere control.

Description

Technical Field

[0001] This utility model relates to the field of forging processing technology, specifically a heating furnace for high-strength wear-resistant forgings. Background Technology

[0002] In the production of high-strength wear-resistant forgings, the heating furnace is one of the key pieces of equipment. Traditional heating furnaces are designed with only one heating element, which leads to problems such as poor temperature uniformity, low heating efficiency, high energy consumption, and unstable furnace atmosphere control. These problems can easily cause uneven heating of the forgings, resulting in internal defects and affecting the mechanical and wear-resistant properties of the forgings. They cannot meet the production requirements of high-quality, high-strength wear-resistant forgings. Furthermore, heating furnaces for forgings are made of carbon steel, which is heavy, costly, and has insufficient heat retention capacity. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a heating furnace for high-strength wear-resistant forgings, which has advantages such as uniform heating and solves the problems mentioned in the background technology.

[0004] To achieve the above-mentioned goal of uniform heating, this utility model provides the following technical solution: a heating furnace for high-strength wear-resistant forgings, including a heating furnace body, an inner cavity inside the heating furnace body, a control box installed on the front of the left side wall of the heating furnace body, and three heating elements on each of the two inner side walls of the inner cavity;

[0005] The inner layer of the heating furnace body is made of aluminum alloy, the outer layer of the aluminum alloy is provided with a heat insulation layer, the inner layer of the aluminum alloy is provided with a high temperature resistant layer, the heat insulation layer is made of lightweight refractory fiber material, and the high temperature resistant layer is constructed of high alumina refractory bricks.

[0006] As a further improvement of this utility model: conveyor belts are provided at both the front and rear ends of the heating furnace body, and supports are installed at the lower ends of the conveyor belts. The conveyor belts facilitate the entry and exit of wear-resistant forgings, bringing convenience.

[0007] As a further improvement of this utility model: a bottom box is installed at the lower end of the heating furnace body, and a storage chamber is provided on the rear left side wall of the bottom box. Both side walls of the storage chamber are hinged with doors, and two placement plates are provided inside the storage chamber. By opening the two doors, items can be stored in the storage chamber.

[0008] As a further improvement of this utility model: a nitrogen tank is installed at the rear of the control box, a support plate is installed at the bottom of the nitrogen tank, and a gas supply pipe is installed at the front end of the nitrogen tank through a pipeline. The gas supply pipe is connected to the interior of the heating furnace body through multiple small pipes. A flow regulating valve is installed in the middle of each small pipe. Nitrogen gas is introduced into the heating furnace body through the nitrogen tank via the gas supply pipe. The flow regulating valve can adjust the nitrogen flow rate to maintain a stable inert atmosphere inside the furnace and prevent the wear-resistant forgings from oxidizing during the heating process.

[0009] As a further improvement of this utility model: a moisture-proof layer is provided at the connection of the heating furnace body. The moisture-proof layer is a galvanized steel plate. The galvanized steel plate can perform moisture-proof work at the connection of the heating furnace body and can effectively block the penetration of water vapor.

[0010] As a further improvement of this utility model, mounting blocks are provided on the upper part of both sides of the heating furnace body, and locking bolts are provided on the mounting blocks, which realizes the quick disassembly of the heating furnace body and facilitates internal cleaning.

[0011] As a further improvement of this utility model: a temperature sensor is installed in the middle of the upper part of the heating furnace body, and the lower end of the temperature sensor is connected to the interior of the heating furnace body. The temperature sensor monitors the temperature inside the heating furnace body to achieve temperature control and make the temperature inside the heating furnace body more uniform.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. In this utility model, multiple heating elements start working by operating the control box to heat the wear-resistant forgings. The temperature sensor monitors the temperature inside the heating furnace body to achieve temperature control, making the temperature inside the heating furnace body more uniform. The nitrogen tank introduces nitrogen into the heating furnace body through the gas supply pipe. The flow regulating valve can adjust the nitrogen flow rate to maintain a stable inert atmosphere inside the furnace, preventing the wear-resistant forgings from oxidizing during the heating process, improving heating efficiency, reducing energy consumption, and ensuring stable control of the atmosphere inside the furnace.

[0014] 2. In this utility model, the insulation layer is made of lightweight refractory fiber material to achieve insulation and reduce heat loss. The high-temperature resistant layer is made of high-alumina refractory bricks, which can withstand high temperatures and have good thermal stability. It replaces carbon steel, is heavy, low in cost, and has sufficient insulation capacity. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the appearance of the present utility model;

[0016] Figure 2 This is a schematic diagram of the structure of this utility model;

[0017] Figure 3In this utility model Figure 1 Enlarged schematic diagram of point A;

[0018] Figure 4 This is a schematic diagram of the material structure of the heating furnace body in this utility model.

[0019] In the diagram: 1. Heating furnace body; 2. Temperature sensor; 3. Conveyor belt; 4. Support frame; 5. Base box; 6. Storage chamber; 7. Box door; 8. Control box; 9. Gas supply pipe; 10. Insulation layer; 11. Aluminum alloy layer; 12. High temperature resistant layer; 13. Heating element; 14. Moisture-proof layer; 15. Mounting block; 16. Locking bolt; 17. Nitrogen box. Detailed Implementation

[0020] 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.

[0021] It should be noted that the heating element 13 and the temperature sensor 2 are both existing technologies and are common knowledge to those skilled in the art, and will not be described in detail here.

[0022] Please see Figures 1-4 In this embodiment of the present invention, a heating furnace for high-strength wear-resistant forgings includes a heating furnace body 1, an inner cavity is provided inside the heating furnace body 1, a control box 8 is installed on the front of the left side wall of the heating furnace body 1, and three heating elements 13 are provided on both inner side walls of the inner cavity.

[0023] The inner layer of the heating furnace body 1 is an aluminum alloy layer 11, the outer layer of the aluminum alloy layer 11 is an insulation layer 10, and the inner layer of the aluminum alloy layer 11 is a high-temperature resistant layer 12. The insulation layer 10 is made of lightweight refractory fiber material, and the high-temperature resistant layer 12 is constructed of high-alumina refractory bricks.

[0024] The heating furnace body 1 is equipped with conveyor belts 3 at both its front and rear ends, and supports 4 are installed at the lower ends of each conveyor belt 3. The conveyor belts 3 facilitate the entry and exit of wear-resistant forgings, providing convenience. A bottom box 5 is installed at the lower end of the heating furnace body 1. A storage chamber 6 is located on the rear left side wall of the bottom box 5. Both side walls of the storage chamber 6 are hinged with doors 7. The storage chamber 6 has two placement plates inside. By opening the two doors 7, items can be stored in the storage chamber 6. A nitrogen tank 17 is installed at the rear of the control box 8. A support plate is installed at the bottom of the nitrogen tank 17. A gas supply pipe 9 is installed at the front end of the nitrogen tank 17 through a pipeline. The gas supply pipe 9 is connected to the interior of the heating furnace body 1 through multiple small pipes. A flow regulating valve is installed in the middle of each small pipe. Nitrogen gas is introduced into the heating furnace body 1 from the nitrogen tank 17 through the gas supply pipe 9. The flow rate is controlled by the gas supply pipe 9. The regulating valve can adjust the nitrogen flow rate to maintain a stable inert atmosphere inside the furnace, preventing oxidation of the wear-resistant forgings during heating. A moisture-proof layer 14 is provided at the connection of the heating furnace body 1. The moisture-proof layer 14 is made of galvanized steel plate, which can prevent moisture at the connection of the heating furnace body 1 and effectively block water vapor penetration. Mounting blocks 15 are provided on the upper part of both side walls of the heating furnace body 1. Locking bolts 16 are provided on the mounting blocks 15, which can realize quick disassembly of the heating furnace body 1 and facilitate internal cleaning. A temperature sensor 2 is installed in the middle of the upper end of the heating furnace body 1. The lower end of the temperature sensor 2 is connected to the inside of the heating furnace body 1. The temperature sensor 2 monitors the temperature inside the heating furnace body 1 and realizes temperature control, making the temperature inside the heating furnace body 1 more uniform.

[0025] The working principle of this utility model is as follows: Connect the device to a power source to ensure it is energized. Start the two conveyor belts 3, placing the high-strength wear-resistant forging on the front conveyor belt 3, which will then carry it into the heating furnace body 1. Operate via the control box 8; multiple heating elements 13 will begin working to heat the wear-resistant forging. The temperature sensor 2 monitors the temperature inside the heating furnace body 1, achieving temperature control and ensuring a more uniform temperature within the furnace body 1. Nitrogen gas is introduced into the heating furnace body 1 through the nitrogen supply pipe 9. The flow regulating valve can adjust the nitrogen flow rate, ensuring the furnace... The interior maintains a stable inert atmosphere to prevent the wear-resistant forgings from oxidizing during heating. After the operation is completed, the wear-resistant forgings are removed with clamps and placed on the rear conveyor belt 3 for subsequent forging processes. The two boxes 7 are opened, and items can be stored in the storage room 6. The insulation layer 10 is made of lightweight refractory fiber material to achieve insulation and reduce heat loss. The high-temperature resistant layer 12 is made of high-alumina refractory bricks, which can withstand high temperatures and have good thermal stability. The moisture-proof layer 14 can prevent moisture at the connection of the heating furnace body 1 and effectively block water vapor penetration.

[0026] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A heating furnace for high-strength wear-resistant forgings, comprising a heating furnace body (1), wherein an inner cavity is provided inside the heating furnace body (1), a control box (8) is installed on the front of the left side wall of the heating furnace body (1), and three heating elements (13) are provided on both inner side walls of the inner cavity. Its features are: The inner layer of the heating furnace body (1) is an aluminum alloy layer (11), the outer layer of the aluminum alloy layer (11) is provided with a heat insulation layer (10), the inner layer of the aluminum alloy layer (11) is provided with a high temperature resistant layer (12), the heat insulation layer (10) is made of lightweight refractory fiber material, and the high temperature resistant layer (12) is constructed of high alumina refractory bricks.

2. The heating furnace for high-strength wear-resistant forgings according to claim 1, characterized in that: The heating furnace body (1) is equipped with conveyor belts (3) at both the front and rear ends, and the lower ends of the conveyor belts (3) are equipped with brackets (4).

3. The heating furnace for high-strength wear-resistant forgings according to claim 1, characterized in that: The lower end of the heating furnace body (1) is equipped with a bottom box (5), and a storage room (6) is provided on the rear side of the left side wall of the bottom box (5). Both sides of the storage room (6) are hinged with boxes (7), and two placement plates are provided inside the storage room (6).

4. The heating furnace for high-strength wear-resistant forgings according to claim 1, characterized in that: A nitrogen tank (17) is installed at the rear of the control box (8). A support plate is installed at the bottom of the nitrogen tank (17). A gas supply pipe (9) is installed at the front end of the nitrogen tank (17) through a pipeline. The gas supply pipe (9) is connected to the interior of the heating furnace body (1) through multiple small pipes. A flow regulating valve is provided in the middle of each small pipe.

5. A heating furnace for high-strength wear-resistant forgings according to claim 1, characterized in that: A moisture-proof layer (14) is provided at the connection of the heating furnace body (1), and the moisture-proof layer (14) is a galvanized steel plate.

6. A heating furnace for high-strength wear-resistant forgings according to claim 1, characterized in that: Mounting blocks (15) are provided on the upper part of both sides of the heating furnace body (1), and locking bolts (16) are provided on the mounting blocks (15).

7. A heating furnace for high-strength wear-resistant forgings according to claim 1, characterized in that: A temperature sensor (2) is installed in the middle of the upper part of the heating furnace body (1), and the lower end of the temperature sensor (2) is connected to the interior of the heating furnace body (1).

Images