High-temperature-resistant heat-insulating furnace wall structure for trolley heating furnace
By using thermal insulation furnace wall structures such as silicon calcium plates, thermal insulation nanoplates and aluminum silicate fiber blankets in the trolley heating furnace, combined with the design of exhaust fans, smoke exhaust pipes and electric valves, the existing trolley has been solved. The heating furnace device lacks high-temperature insulation and pressure-relieving functions, which achieves more efficient heating and smoke exhaust effects and extends the service life of the device.
Patent Information
- Application Number
- CN202420509805.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-03-15
AI Technical Summary
The existing trolley heating furnace devices lack high temperature resistance and heat insulation during use, resulting in damage to the furnace wall, reduced service life, and unable to quickly pressurize or reduce pressure, affecting heating efficiency and smoke exhaust effect.
A high-temperature insulation furnace wall structure for trolley heating furnaces was designed, using materials such as silicon calcium plates, thermal insulation nanoplates and aluminum silicate fiber blankets to enhance thermal insulation, insulation and fire resistance, and through exhaust air The combination of the machine, smoke exhaust pipe and electric valve realizes pressure and pressure reduction control in the heating furnace.
It effectively improves the heat insulation, insulation and fire resistance of the device, extends the service life, reduces maintenance frequency, reduces costs, and improves the heating efficiency and smoke exhaust effect of large carbon steel or alloy steel parts.
Smart Images
Figure CN222504891U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of furnace walls of heating furnaces, in particular to a high-temperature resistant heat-insulating furnace wall structure for a trolley heating furnace. Background Art
[0002] In people's daily life, a trolley heating furnace is a large heating furnace that uses a trolley to feed large carbon steel and alloy steel parts, and can perform heat treatment processes such as heating, annealing, normalizing, tempering, surface quenching, and tempering on the parts.
[0003] The existing trolley heating furnace device has the main problem of not being able to provide high-temperature resistant and heat-insulating performance for the furnace wall in the heating furnace during use, which easily leads to damage to the furnace wall during the heating process of large carbon steel and alloy steel parts, reducing the service life of the device, resulting in the need for regular maintenance of the device in the later stage, resulting in increased enterprise costs. Secondly, the existing trolley heating furnace device also has the problem of not being able to pressurize or depressurize the heating furnace during use, which makes it impossible to quickly achieve the purpose of heating or depressurizing and exhausting large carbon steel and alloy steel parts. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a high-temperature resistant and heat-insulating furnace wall structure for a trolley heating furnace, which has the advantages of being easy to pressurize or depressurize the furnace and protect the furnace wall in the heating furnace, thereby solving the problems raised by the above-mentioned background technology.
[0005] The utility model provides the following technical solution: a high-temperature resistant heat-insulating furnace wall structure for a trolley heating furnace, comprising a heating furnace body, an exhaust fan is fixedly installed on the top of the heating furnace body, an air suction port is fixedly installed on the outer end of the exhaust fan, an air delivery port is penetrated through the inner wall of the heating furnace body, one end of the air delivery port is fixedly installed on the outer side of the exhaust fan, a circular groove is opened on the outer edge of the air delivery port, a smoke exhaust pipe is arranged on the inner wall of the heating furnace body, a refractory layer is fixedly installed on the inner wall of the heating furnace body, a slide rail is fixedly installed on the bottom of the heating furnace body, and the The outer edge of the slide rail is rotatably connected to a pulley, a sliding plate is fixedly installed on the top of the pulley, a strip groove is opened on the outer side of the heating furnace body, a round rod is fixedly installed on the inner wall of the strip groove, the outer edge of the round rod is slidably connected to a slider, a sliding door frame is fixedly installed on the inner side of the slider, a motor is fixedly installed on the top of the heating furnace body, a winding frame 1 is fixedly installed on the power output shaft of the motor, a strip plate is fixedly installed on the top of the heating furnace body, a winding frame 2 is rotatably connected to the inner wall of the strip plate, and a suspension rope is wound around the outer edge of the winding frame 1.
[0006] As a preferred technical solution of the utility model, the shape of the smoke exhaust duct is Y-shaped, and two electric valves 1 are arranged in the inner wall of the smoke exhaust duct, and the inner wall of the air intake port is provided with an electric valve 2.
[0007] As a preferred technical solution of the utility model, one end of the suspension rope is rotatably connected to the outer edge of the winding frame, and the other end is fixedly installed on the top of the sliding door frame.
[0008] As an optimal technical solution of the utility model, a layer of calcium silicate board is fixedly installed on the outer wall of the fire-resistant layer and the inner side of the sliding door frame, and a layer of thermal insulation nanoboard is fixedly installed on the outer wall of the calcium silicate board, and a layer of aluminum silicate fiber blanket is fixedly installed on the outer side of the thermal insulation nanoboard.
[0009] As a preferred technical solution of the utility model, the exhaust fan and the motor as well as the electric valve 1 and the electric valve 2 are all electrically connected to an external controller of the device.
[0010] As a preferred technical solution of the utility model, a circular hole is penetrated through the inner wall of the sliding block, and the diameter of the circular hole is the same as the diameter of the round rod, and the number of the sliding blocks is two.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1. The high-temperature resistant heat-insulating furnace wall structure for the trolley heating furnace is used in combination with a layer of calcium silicate board fixedly installed on the outer wall of the refractory layer and the inner side of the sliding door frame, and a layer of heat-insulating nano-board is fixedly installed on the outer wall of the calcium silicate board, and a layer of aluminum silicate fiber blanket is fixedly installed on the outer side of the heat-insulating nano-board. Through the above structure, the heat insulation, thermal insulation and fire resistance of the device are improved, thereby increasing the service life of the device, avoiding the need for frequent maintenance of the device in the later stage, and thus reducing costs.
[0013] 2. The high-temperature resistant and heat-insulating furnace wall structure used for the trolley heating furnace uses an exhaust fan and a smoke exhaust duct in coordination. The exhaust fan is controlled by an external controller of the device to work, and the electric valve 2 is opened and closed. At this time, the exhaust fan draws external air into the inner wall of the heating furnace body through the air intake port through the air supply port, and the inhaled air is input into the heating furnace body through the circular groove, thereby pressurizing the inner wall of the heating furnace body, thereby accelerating the heating efficiency of carbon steel or alloy steel parts. Secondly, through the setting of the smoke exhaust duct and the coordinated use of two electric valves, the two electric valves are controlled to open and close by the external controller of the device, thereby reducing the pressure in the heating furnace body and exhausting smoke. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from another angle;
[0016] Figure 3 This is a schematic diagram of the structure of the sliding door frame of the utility model;
[0017] Figure 4 This is a schematic diagram of the fire-resistant layer structure of the utility model;
[0018] Figure 5 This is a schematic diagram of the gas delivery port structure of the utility model.
[0019] In the figure: 1. Heating furnace body; 2. Exhaust fan; 3. Air inlet; 4. Gas outlet; 5. Smoke exhaust duct; 6. Circular groove; 7. Motor; 8. Winding frame 1; 9. Strip plate; 10. Winding frame 2; 11. Suspension rope; 12. Slide rail; 13. Sliding plate; 14. Pulley; 15. Strip groove; 16. Sliding door frame; 17. Sliding block; 18. Round rod; 19. Refractory layer. DETAILED DESCRIPTION
[0020] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.
[0021] See also Figure 1-5 The high temperature resistant heat insulation furnace wall structure for the trolley heating furnace comprises a heating furnace body 1, an exhaust fan 2 is fixedly installed on the top of the heating furnace body 1, an air inlet 3 is fixedly installed on the outer end of the exhaust fan 2, a gas delivery port 4 is penetrated through the inner wall of the heating furnace body 1, one end of the gas delivery port 4 is fixedly installed with the outer side of the exhaust fan 2, a circular groove 6 is opened on the outer edge of the gas delivery port 4, a smoke exhaust pipe 5 is arranged on the inner wall of the heating furnace body 1, a refractory layer 19 is fixedly installed on the inner wall of the heating furnace body 1, a slide rail 12 is fixedly installed on the bottom of the heating furnace body 1, and a slide rail 12 is rotatably connected to the outer edge of the slide rail 12. Wheel 14, a sliding plate 13 is fixedly installed on the top of the pulley 14, a strip groove 15 is opened on the outside of the heating furnace body 1, a round rod 18 is fixedly installed on the inner wall of the strip groove 15, a slider 17 is slidably connected to the outer edge of the round rod 18, a sliding door frame 16 is fixedly installed on the inner side of the slider 17, a motor 7 is fixedly installed on the top of the heating furnace body 1, a winding frame 8 is fixedly installed on the power output shaft of the motor 7, a strip plate 9 is fixedly installed on the top of the heating furnace body 1, a winding frame 2 10 is rotatably connected to the inner wall of the strip plate 9, and a suspension rope 11 is wound around the outer edge of the winding frame 8.
[0022] In a preferred embodiment, the shape of the smoke exhaust duct 5 is Y-shaped, and two electric valves 1 are arranged on the inner wall of the smoke exhaust duct 5, and an electric valve 2 is arranged on the inner wall of the air intake port 3. Through the above structure, the setting of the two electric valves 1 is utilized, and when there is no need to reduce the smoke pressure, the electric valve 1 can be closed, and the high pressure state is always maintained in the furnace wall. When it is necessary to reduce the smoke pressure, it is only necessary to control the opening and closing of the electric valve 1 through the controller outside the device to perform the smoke exhaust pressure reduction operation.
[0023] In a preferred embodiment, one end of the suspension rope 11 is rotatably connected to the outer edge of the winding frame 8, and the other end is fixedly installed on the top of the sliding door frame 16. Through the above structure, the suspension rope 11 is fixedly installed with the sliding door frame 16, so that when the winding frame 8 is driven by the motor 7 to rotate clockwise or counterclockwise, the sliding door frame 16 can be driven to rise and fall by using it in conjunction with the winding frame 2 10.
[0024] In a preferred embodiment, a layer of calcium silicate board is fixedly installed on the outer wall of the fire-resistant layer 19 and the inner side of the sliding door frame 16, and a layer of thermal insulation nanoboard is fixedly installed on the outer wall of the calcium silicate board, and a layer of aluminum silicate fiber blanket is fixedly installed on the outer side of the thermal insulation nanoboard. Through the above structure, the thermal insulation, heat preservation and fire resistance performance of the device are improved.
[0025] In a preferred embodiment, the exhaust fan 2, the motor 7, and the electric valve 1 and the electric valve 2 are all electrically connected to a controller external to the device. Through the above structure, the exhaust fan 2, the motor 7, and the electric valve 1 and the electric valve 2 can be controlled by the controller external to the device to start or stop working.
[0026] In a preferred embodiment, a circular hole is passed through the inner wall of the slider 17, and the diameter of the circular hole is the same as the diameter of the round rod 18. There are two sliders 17. Through the above structure, the sliding door frame 16 can be driven to rise and fall more stably by utilizing the cooperation of the two sliders 17.
[0027] Working principle: when the device is needed, first, when large carbon steel or alloy steel parts are to be heated, annealed, normalized or surface quenched and tempered, the carbon steel or alloy steel parts can be directly placed on the top of the sliding plate 13, and then the sliding rail 12 and the pulley 14 are connected by rotation, so that the carbon steel or alloy steel parts can be sent into the furnace in the heating furnace body 1, and then the motor 7 is controlled by the external controller of the device to work, and the power output shaft of the motor 7 drives the winding frame 1 8 to rotate clockwise or counterclockwise, so that the winding frame 2 10 is used in conjunction with the sliding door frame 16, so that the inner cavity of the heating furnace body 1 is sealed, and then the carbon steel or alloy steel parts are heated. When it is necessary to pressurize the heating furnace body 1, only The exhaust fan 2 is controlled to work by a controller external to the device, and the electric valve 2 is controlled to open and close by a controller external to the device. At this time, the exhaust fan 2 draws external air into the inner wall of the heating furnace body 1 through the air inlet 3 through the air inlet 4, and the inhaled air is input into the heating furnace body 1 by the circular groove 6, thereby pressurizing the inner wall of the heating furnace body 1, so as to accelerate the heating efficiency of carbon steel or alloy steel parts. Secondly, through the setting of the smoke exhaust duct 5 and the coordinated use of the two electric valves 1, the two electric valves 1 are controlled to open and close by the controller external to the device, thereby reducing the pressure in the heating furnace body 1 and exhausting smoke. At the same time, the calcium silicate board, the thermal insulation nanoboard, the aluminum silicate fiber blanket and the refractory layer 19 are set, so that the thermal insulation, heat preservation and fire resistance of the device are improved.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A high temperature resistant heat insulating furnace wall structure for a trolley heating furnace, comprising a heating furnace body (1), characterized in that: The top of the heating furnace body (1) is fixedly mounted with an exhaust fan (2), the outer end of the exhaust fan (2) is fixedly mounted with an air suction port (3), the inner wall of the heating furnace body (1) is penetrated with an air delivery port (4), one end of the air delivery port (4) is fixedly mounted with the outer side of the exhaust fan (2), the outer edge of the air delivery port (4) is provided with a circular groove (6), the inner wall of the heating furnace body (1) is provided with a smoke exhaust pipe (5), the inner wall of the heating furnace body (1) is fixedly mounted with a fireproof layer (19), the bottom of the heating furnace body (1) is fixedly mounted with a slide rail (12), the outer edge of the slide rail (12) is rotatably connected with a pulley (14), the top of the pulley (14) is fixedly mounted with a pulley (14) A sliding plate (13) is installed, a strip groove (15) is opened on the outer side of the heating furnace body (1), a round rod (18) is fixedly installed on the inner wall of the strip groove (15), the outer edge of the round rod (18) is slidably connected with a slider (17), a sliding door frame (16) is fixedly arranged on the inner side of the slider (17), a motor (7) is fixedly installed on the top of the heating furnace body (1), a winding frame (8) is fixedly installed on the power output shaft of the motor (7), a strip plate (9) is fixedly installed on the top of the heating furnace body (1), a winding frame (10) is rotatably connected to the inner wall of the strip plate (9), and a suspension rope (11) is wound around the outer edge of the winding frame (8).
2. The high temperature resistant heat insulating furnace wall structure for a trolley heating furnace according to claim 1, characterized in that: The shape of the smoke exhaust pipe (5) is Y-shaped, and two electric valves 1 are arranged on the inner wall of the smoke exhaust pipe (5), and an electric valve 2 is arranged on the inner wall of the air suction port (3).
3. The high temperature resistant heat insulating furnace wall structure for a trolley heating furnace according to claim 1, characterized in that: One end of the suspension rope (11) is rotatably connected to the outer edge of the winding frame (8), and the other end is fixedly mounted on the top of the sliding door frame (16).
4. The high temperature resistant heat insulating furnace wall structure for a trolley heating furnace according to claim 1, characterized in that: A layer of calcium silicate board is fixedly installed on the outer wall of the fire-resistant layer (19) and the inner side of the sliding door frame (16), and a layer of heat-insulating nano-board is fixedly installed on the outer wall of the calcium silicate board, and a layer of aluminum silicate fiber blanket is fixedly installed on the outer side of the heat-insulating nano-board.
5. The high temperature resistant heat insulating furnace wall structure for a trolley heating furnace according to claim 1, characterized in that: The exhaust fan (2), the motor (7), the electric valve 1 and the electric valve 2 are all electrically connected to an external controller.
6. The high temperature resistant heat insulating furnace wall structure for a trolley heating furnace according to claim 1, characterized in that: A circular hole is passed through the inner wall of the slider (17), and the diameter of the inner wall of the circular hole matches the diameter of the outer edge of the round rod (18). The number of the sliders (17) is two.