Ceramic internal cavity firing device

Abstract

The utility model discloses a ceramic internal cavity firing device which comprises a firing furnace, the firing furnace is composed of a furnace body and a furnace door, an outer shell is installed on the outer side of the furnace body and the outer side of the furnace door, a heat insulation plate is installed in the outer shell, a high-temperature-resistant ceramic layer is installed on the inner side of the heat insulation plate, and the high-temperature-resistant ceramic layer is installed on the furnace body. And refractory bricks are installed in the high-temperature-resistant ceramic layer, electric heating wires are installed between the refractory bricks, high-temperature-resistant metal clamping grooves are formed in the refractory bricks located in the furnace body, placing grilles are slidably installed in the high-temperature-resistant metal clamping grooves, and a circulating mechanism is installed on the outer side of the furnace body. Materials needing to be fired are placed in the placing grating, the materials can be conveniently placed in a separated mode, in the heating process, hot air is driven by the circulating mechanism to circularly flow, the temperature in the furnace body is kept uniform, and the phenomenon that the materials deform in the firing process due to the fact that the temperature difference in the furnace body is large is avoided.

Description

Technical Field

[0001] This utility model relates to the field of ceramic firing technology, specifically a ceramic internal cavity firing device. Background Technology

[0002] A ceramic firing furnace is a piece of equipment used to fire ceramic products. It features constant temperature, constant humidity, and heat insulation.

[0003] Chinese Patent No. CN202320564847.7 discloses a ceramic firing furnace, including a main body structure. A placement mechanism is fixedly installed on the upper part of the bottom surface of the main body structure. A closing mechanism is hinged to one side of the front end of the main body structure. A power mechanism is fixedly installed on one side of the main body structure. A control console is fixedly installed on the front side of the closing mechanism. The main body structure includes a first outer shell. An inner box is fixedly installed on the upper part of the bottom surface of the first outer shell. The closing mechanism includes a furnace door. A second ceramic heater is fixedly installed inside the furnace door. The placement mechanism includes a placement platform.

[0004] During use, the internal air is prone to uneven temperature, and the material is prone to tipping over during rotation. Utility Model Content

[0005] The purpose of this invention is to provide a ceramic internal cavity firing device to solve the problems raised in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a ceramic internal cavity firing device, comprising a firing furnace: the firing furnace consists of a furnace body and a furnace door, a handle is installed at the middle position of the outer side of the furnace door, the upper and lower ends of one side of the furnace body and the furnace door are connected by a fixing mechanism, an outer shell is installed on the outer side of the furnace body and the furnace door, a heat insulation plate is installed inside the outer shell, a high-temperature resistant ceramic layer is installed on the inner side of the heat insulation plate, refractory bricks are installed inside the high-temperature resistant ceramic layer, electric heating wires are installed between the refractory bricks, a high-temperature resistant metal slot is installed inside the refractory bricks of the furnace body, a grid is slidably installed inside the high-temperature resistant metal slot, and a circulation mechanism is installed on the outer side of the furnace body.

[0007] Preferably, the fixing mechanism consists of a threaded rod, a threaded cylinder, a slot, and a rotating seat. The rotating seat is installed at the upper and lower ends on one side of the furnace body. One end of the threaded rod is rotatably installed on the upper side of the rotating seat, and the other end of the threaded rod is locked inside the slot. The slot is installed on one side of the furnace door, and the threaded cylinder is rotatably installed on the upper side of the threaded rod via a thread.

[0008] Preferably, a turntable is provided on the outer side of the threaded cylinder, and the turntable is installed on the outer side of the threaded cylinder.

[0009] Preferably, the circulation mechanism consists of a high-temperature resistant tube, a turbine, and a power mechanism. The turbine is installed at the bottom of the outer side of the furnace body, and the power mechanism is installed on one side of the turbine. High-temperature resistant tubes are installed at the upper end and the front end of the turbine. The high-temperature resistant tube at the upper end of the turbine is installed on the upper outer side of the furnace body, and the high-temperature resistant tube at the front end of the turbine is located on one side of the bottom end of the furnace body.

[0010] Preferably, the power mechanism consists of an electric motor and a transmission shaft. The electric motor is installed on one side of the bottom of the furnace body, the transmission shaft is rotatably installed at the front end of the electric motor, and the other end of the transmission shaft is installed on one side of the turbine.

[0011] Preferably, a heat-insulating shaft is provided at the middle position of the drive shaft, and the heat-insulating shaft is installed at the middle position of the drive shaft.

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

[0013] 1. Place the material to be fired inside the grid to facilitate the separation of the material. During the heating process, the hot air is circulated through the circulation mechanism to keep the temperature inside the furnace uniform and avoid large temperature differences inside the furnace, which could cause the material to deform during firing.

[0014] 2. When using the fixing mechanism, rotate the threaded rod along the rotating seat to insert the threaded rod into the slot. By rotating the threaded rod, the furnace body and furnace door can be fixed together by the fixing mechanism.

[0015] 3. When in use, the circulation mechanism drives the turbine through the power mechanism. The turbine will draw air from the upper part of the furnace body through the high temperature and guide it to the lower part of the furnace body through the high temperature pipe, so that the air circulates inside the furnace body and the temperature inside the furnace body is uniform.

[0016] 4. The installation of a heat-insulating shaft can increase the heat insulation effect of the drive shaft, preventing the drive shaft from conducting heat to the motor during use, which would cause the motor temperature to rise and affect the service life of the motor. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a side view of the structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0021] Figure 4 This is a schematic diagram of the fixing mechanism of this utility model.

[0022] In the diagram: 1. Firing furnace; 2. Furnace body; 3. Refractory bricks; 4. Outer shell; 5. Placement grid; 6. Heat insulation board; 7. High-temperature resistant metal slot; 8. High-temperature resistant ceramic layer; 9. Electric heating wire; 10. Circulation mechanism; 11. High-temperature resistant tube; 12. Turbine; 13. Heat insulation shaft; 14. Drive shaft; 15. Electric motor; 16. Furnace door; 17. Handle; 18. Fixing mechanism; 19. Power mechanism; 20. Threaded rod; 21. Threaded cylinder; 22. Slot; 23. Turntable; 24. Rotating seat. Detailed Implementation

[0023] 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.

[0024] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 In this embodiment of the present invention, a ceramic internal cavity firing device includes a firing furnace 1: the firing furnace 1 consists of a furnace body 2 and a furnace door 16. A handle 17 is installed at the middle position of the outer side of the furnace door 16. The upper and lower ends of one side of the furnace body 2 and the furnace door 16 are connected by a fixing mechanism 18. An outer shell 4 is installed at the outer side of the furnace body 2 and the furnace door 16. A heat insulation plate 6 is installed inside the outer shell 4. A high-temperature resistant ceramic layer 8 is installed at the inner side of the heat insulation plate 6. Refractory bricks 3 are installed inside the high-temperature resistant ceramic layer 8. Electric heating wires 9 are installed between the refractory bricks 3. A high-temperature resistant metal slot 7 is installed inside the refractory bricks 3 of the furnace body 2. A placement grid 5 is slidably installed inside the high-temperature resistant metal slot 7. A circulation mechanism 10 is installed on the outer side of the furnace body 2.

[0025] The fixing mechanism 18 consists of a threaded rod 20, a threaded cylinder 21, a slot 22, and a rotating seat 24. The rotating seat 24 is installed at the upper and lower ends of one side of the furnace body 2. One end of the threaded rod 20 is rotatably installed on the upper side of the rotating seat 24, and the other end of the threaded rod 20 is locked inside the slot 22. The slot 22 is installed on one side of the furnace door 16. The threaded cylinder 21 is installed on the upper side of the threaded rod 20 by threaded rotation. When in use, the fixing mechanism 18 is used to rotate the threaded rod 20 along the rotating seat 24 to embed the threaded rod 20 into the slot 22. By rotating the threaded rod 20, the furnace body 2 and the furnace door 16 can be fixed together by the fixing mechanism 18. A turntable 23 is provided on the outer side of the threaded cylinder 21. The turntable 23 is installed on the outer side of the threaded cylinder 21. The turntable 23 facilitates the rotation of the threaded cylinder 21, thereby facilitating the fixing of the threaded rod 20.

[0026] The circulation mechanism 10 consists of a high-temperature resistant pipe 11, a turbine 12, and a power mechanism 19. The turbine 12 is installed at the bottom of the outer side of the furnace body 2, and the power mechanism 19 is installed on one side of the turbine 12. High-temperature resistant pipes 11 are installed at the upper end and the front end of the turbine 12. The upper end of the high-temperature resistant pipe 11 is installed on the outer side of the upper end of the furnace body 2, and the front end of the high-temperature resistant pipe 11 is located on one side of the bottom end of the furnace body 2. When the circulation mechanism 10 is in use, the power mechanism 19 drives the turbine 12 to run. The turbine 12 will draw air from the upper end of the furnace body 2 through the high-temperature resistant pipe 11 and guide it to the bottom end of the furnace body 2 through the high-temperature resistant pipe 11, so that the air circulates inside the furnace body 2, making the temperature inside the furnace body 2 uniform.

[0027] The power mechanism 19 consists of an electric motor 15 and a drive shaft 14. The electric motor 15 is installed on one side of the bottom of the furnace body 2, and the drive shaft 14 is rotatably installed at the front end of the electric motor 15. The other end of the drive shaft 14 is installed on one side of the turbine 12. When the power mechanism 19 is in use, the electric motor 15 is turned on by a switch, and the electric motor 15 will drive the drive shaft 14 to rotate, which in turn drives the turbine 12 to run. A heat insulation shaft 13 is provided in the middle of the drive shaft 14. The heat insulation shaft 13 is installed in the middle of the drive shaft 14 to increase the heat insulation effect of the drive shaft 14 and prevent the drive shaft 14 from conducting heat to the electric motor 15 during use, which would cause the temperature of the electric motor 15 to rise and affect the service life of the electric motor 15.

[0028] The working principle and usage process of this utility model are as follows: In use, the placement grid 5 is placed inside the high-temperature resistant metal slot 7, and the material to be fired is placed inside the placement grid 5 to facilitate the separation and placement of the material. The furnace door 16 is closed, and the furnace door 16 and the furnace body 2 are fixed together by the fixing mechanism 18. The electric heating wire 9 is turned on by the switch, and the electric heating wire 9 heats the inside of the furnace body 2. The setting of the heat insulation plate 6 can increase the heat insulation effect of the firing furnace 1. During the heating process, the hot air is circulated by the circulation mechanism 10 to keep the temperature inside the furnace body 2 uniform and avoid large temperature differences inside the furnace body 2, which could cause the material to deform during the firing process.

[0029] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are 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 ceramic internal cavity firing apparatus, comprising a firing furnace (1); characterized in that: The firing furnace (1) consists of a furnace body (2) and a furnace door (16). A handle (17) is installed in the middle of the outer side of the furnace door (16). The upper and lower ends of one side of the furnace body (2) and the furnace door (16) are connected by a fixing mechanism (18). An outer shell (4) is installed on the outer side of the furnace body (2) and the furnace door (16). A heat insulation plate (6) is installed inside the outer shell (4). A high-temperature resistant ceramic layer (8) is installed on the inner side of the heat insulation plate (6). A refractory brick (3) is installed inside the high-temperature resistant ceramic layer (8). An electric heating wire (9) is installed between the refractory bricks (3). A high-temperature resistant metal slot (7) is installed inside the refractory bricks (3) of the furnace body (2). A placement grid (5) is slidably installed inside the high-temperature resistant metal slot (7). A circulation mechanism (10) is installed on the outer side of the furnace body (2).

2. The ceramic internal cavity firing apparatus according to claim 1, characterized in that: The fixing mechanism (18) consists of a threaded rod (20), a threaded cylinder (21), a slot (22), and a rotating seat (24). The rotating seat (24) is installed at the upper and lower ends of one side of the furnace body (2). One end of the threaded rod (20) is rotatably installed on the upper side of the rotating seat (24), and the other end of the threaded rod (20) is locked inside the slot (22). The slot (22) is installed on one side of the furnace door (16), and the threaded cylinder (21) is rotatably installed on the upper side of the threaded rod (20) by thread.

3. The ceramic internal cavity firing device according to claim 2, characterized in that: A turntable (23) is provided on the outer side of the threaded cylinder (21). The turntable (23) is installed on the outer side of the threaded cylinder (21).

4. The ceramic internal cavity firing apparatus according to claim 1, characterized in that: The circulation mechanism (10) consists of a high-temperature resistant pipe (11), a turbine (12) and a power mechanism (19). The turbine (12) is installed at the bottom of the outer side of the furnace body (2). The power mechanism (19) is installed on one side of the turbine (12). High-temperature resistant pipes (11) are installed at the upper end and the front end of the turbine (12). The high-temperature resistant pipe (11) at the upper end of the turbine (12) is installed on the outer side of the upper end of the furnace body (2). The high-temperature resistant pipe (11) at the front end of the turbine (12) is located on one side of the bottom end of the furnace body (2).

5. The ceramic internal cavity firing apparatus according to claim 4, characterized in that: The power mechanism (19) consists of an electric motor (15) and a transmission shaft (14). The electric motor (15) is installed on one side of the bottom of the furnace body (2). The transmission shaft (14) is rotatably installed at the front end of the electric motor (15). The other end of the transmission shaft (14) is installed on one side of the turbine (12).

6. The ceramic internal cavity firing apparatus according to claim 5, characterized in that: A heat insulation shaft (13) is provided in the middle position of the drive shaft (14), and the heat insulation shaft (13) is installed in the middle position of the drive shaft (14).

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