Box-type furnace for fluorescent ceramic production

Abstract

The utility model discloses a box-type furnace for producing fluorescent ceramics. The box-type furnace mainly comprises a base, a machine body, an atmosphere control mechanism and a rotating mechanism, an airflow bin is formed in the rotating mechanism, the machine body is used for firing a ceramic material in a heating mode, the atmosphere control mechanism drives the rotating mechanism to rotate while conveying inert gas into the machine body, and the rotating mechanism rotates to drive the ceramic material to rotate slowly; according to the utility model, the problem that the fluorescent effect is not uniform in the fluorescent ceramic firing process is solved; and the fluorescent ceramic firing effect can be improved, and operators can observe ceramic materials more conveniently in the firing process.

Description

Technical Field

[0001] This application relates to the field of ceramic production furnace technology, specifically to a box furnace for producing fluorescent ceramics. Background Technology

[0002] Fluorescent ceramics are ceramic materials with fluorescent properties. When irradiated by ultraviolet light or other high-energy light sources, they emit visible light or light of other wavelengths. They can be used in various fields such as lighting, displays, lasers, and medical imaging, and are widely used ceramic materials in scientific research, industry, and daily life technology equipment. Compared with ordinary ceramic materials, the preparation of fluorescent ceramics involves adding specific activators, such as various rare earth elements, to the raw materials to enable the fluorescent ceramics to produce a fluorescent effect. At the same time, due to the addition of activators, it is necessary to carefully control the firing atmosphere during the firing process of fluorescent ceramics. Inert gases are added to the sintering furnace to reduce the concentration of gases such as oxygen, preventing oxidation or chemical reactions of the activators during firing. Furthermore, it is necessary to ensure heating uniformity during firing to ensure the consistency of the fluorescent effect. Currently, most box furnaces used for fluorescent ceramics are traditional box furnaces, which are not convenient for the input of inert gases, have poor heating uniformity, and make it difficult to observe and judge the firing status of the ceramic material from all directions outside the furnace.

[0003] For example, a novel box-type furnace for producing fluorescent glass ceramics, disclosed in CN215413176U, includes a device body. Four casters are symmetrically fixedly connected to the bottom of the device body. A control plate is fixedly connected to the bottom right side of the device body. First fixing blocks are symmetrically fixedly connected to the front and rear ends of the top right side of the device body. A second slot is formed in the middle of the first fixing block. A sealing door is provided at the right end of the device body. First grooves are symmetrically formed on the front and rear sides of the right end of the device body. A first roller is fixedly connected to the middle of the inner cavity of the first groove. While the aforementioned box-type furnace facilitates the opening and closing of the sealing door through the cooperation of the first groove, first roller, support rod, second roller, and first fixing plate, it fails to address the inconvenience of outputting the inert gas required for firing fluorescent ceramics, nor does it solve the problem of enhancing the uniformity of fluorescent ceramic firing.

[0004] Therefore, this application designs a box furnace for producing fluorescent ceramics that simultaneously delivers inert gas into the machine body and drives the ceramic material to rotate, thereby achieving more uniform heating. Utility Model Content

[0005] The purpose of this invention is to provide a box furnace for the production of fluorescent ceramics, thereby solving the aforementioned problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a box furnace for producing fluorescent ceramics, comprising a base, a body, an atmosphere control mechanism, and a rotating mechanism that drives the ceramic material to rotate under the influence of the atmosphere control mechanism; the base is bolted to the ground, the lower end of the body is bolted to the upper end of the base, the atmosphere control mechanism is detachably connected to the side of the body, and the rotating mechanism is bolted to the upper end of the inner wall of the body; an airflow chamber is provided inside the rotating mechanism, which is connected to the atmosphere control mechanism; the body fires the ceramic material by heating, and the atmosphere control mechanism delivers inert gas into the body while driving the rotating mechanism to rotate, causing the ceramic material to rotate slowly.

[0007] An inert gas is mixed, heated, and then delivered into the machine body through an atmosphere control mechanism. During the delivery process, the airflow chamber drives the rotating mechanism to rotate, causing the ceramic material to rotate slowly inside the machine body. This results in more uniform heating of the ceramic material, and the slow rotation of the ceramic material makes it easier for operators to observe it from outside the machine body and judge the firing status. This can effectively improve the firing quality of fluorescent ceramics and enhance the uniformity of the fluorescence effect.

[0008] Furthermore, the base houses a controller and a display screen for electrical signal control and numerical display of the atmosphere control mechanism and the heating status of the machine body. The front of the machine body has an openable, closable, sealed cover with a handle, a rotating shaft, and an observation window. An air vent is located at the rear of the machine body, and heating plates are installed at both the upper and lower ends of the inner wall of the machine body.

[0009] Furthermore, the atmosphere control mechanism includes an array of inlet pipes, a mixing chamber, a heating wire, and an outlet pipe. The side of the mixing chamber is inserted into the side of the machine body. One end of the inlet pipe is connected to the mixing chamber, and the mixing chamber is connected to the gas generator through the inlet pipe. The heating wire is located inside the mixing chamber. One end of the outlet pipe is connected to the mixing chamber, and the other end passes through the machine body and is connected to the airflow chamber. An air pump is installed at the connection between the outlet pipe and the mixing chamber.

[0010] Furthermore, the rotating mechanism includes an L-shaped support platform, a support handle, a rotating disk, and a rotating impeller. The upper part of the L-shaped support platform is bolted to the upper part of the inner wall of the machine body. The airflow chamber is located inside the L-shaped support platform. The lower end of the support handle is welded to the upper part of the L-shaped support platform. The lower end of the rotating disk is rotatably connected to the upper end of the support handle. The rotating impeller is located inside the airflow chamber. The lower end of the rotating impeller is rotatably connected to the inner wall of the L-shaped support platform. The middle part of the upper end of the rotating impeller passes through the L-shaped support platform and the support handle and is inserted into the rotating disk. An air outlet groove is also provided on the side of the L-shaped support platform away from the air outlet pipe. The air outlet groove communicates with the airflow chamber. The rotational connection between the rotating impeller and the L-shaped support platform has a certain degree of damping.

[0011] Compared with existing technologies, it has the following beneficial effects:

[0012] This utility model provides a box furnace for producing fluorescent ceramics. An atmosphere control mechanism mixes and heats inert gas before delivering it into the furnace body. During the delivery process, an airflow chamber drives a rotating mechanism to rotate, causing the ceramic material to rotate slowly within the furnace body. This results in more uniform heating of the ceramic material, and the slow rotation of the ceramic material makes it easier for operators to observe it from outside the furnace body and judge the firing status. This effectively improves the firing quality of fluorescent ceramics and enhances the uniformity of the fluorescence effect. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of a box furnace for producing fluorescent ceramics according to this utility model;

[0014] Figure 2 This is a cross-sectional view of a box furnace for producing fluorescent ceramics according to this utility model;

[0015] Figure 3 This is a plan view of the atmosphere control mechanism of a box furnace for producing fluorescent ceramics according to this utility model.

[0016] Figure 4 This is a cross-sectional view of the rotating mechanism of a box furnace for producing fluorescent ceramics according to this utility model.

[0017] In the diagram: 1-Base; 2-Main body; 21-Sealing cover; 22-Handle; 23-Rotating shaft; 24-Observation window; 25-Air outlet; 26-Heating plate; 3-Atmosphere control mechanism; 31-Air inlet pipe; 32-Gas mixing chamber; 33-Heating wire; 34-Air outlet pipe; 35-Air pump; 4-Rotating mechanism; 41-L-shaped support platform; 411-Air outlet groove; 42-Support handle; 43-Rotating disk; 44-Rotating impeller; 5-Airflow chamber. Detailed Implementation

[0018] 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.

[0019] Please see Figures 1 to 4As shown, this utility model provides the following technical solution: a box furnace for producing fluorescent ceramics, including a base 1, a body 2, an atmosphere control mechanism 3, and a rotating mechanism 4 driven by the atmosphere control mechanism 3 to rotate the ceramic material; the base 1 is bolted to the ground, the lower end of the body 2 is bolted to the upper end of the base 1, the atmosphere control mechanism 3 is detachably connected to the side of the body 2, and the rotating mechanism 4 is bolted to the upper end of the inner wall of the body 2; an airflow chamber 5 is provided inside the rotating mechanism 4, and the airflow chamber 5 is connected to the atmosphere control mechanism 3. The body 2 fires the ceramic material by heating, and the atmosphere control mechanism 3 delivers inert gas into the body 2 while driving the rotating mechanism 4 to rotate, and the rotation of the rotating mechanism 4 causes the ceramic material to rotate slowly.

[0020] The base 1 is equipped with a controller and a display screen to electrically control and display the heating status of the atmosphere control mechanism 3 and the body 2. The controller can control indicators such as the inert gas filling amount of the atmosphere control mechanism 3 and the heating degree of the body 2, and display the values ​​on the display screen to achieve automated operation.

[0021] See Figure 1 The front end of the machine body 2 is equipped with an openable and closable sealing cover 21, which has a handle 22, a rotating shaft 23, and an observation window 24. The sealing cover 21 is snapped into the machine body 2. By pulling the handle 22, the sealing cover 21 can be rotated open to place or remove ceramic material onto the rotating mechanism 4. The observation window 24 is made of fire-resistant glass, which allows observation of the ceramic material being fired inside the machine body 2 to adjust the firing parameters in real time.

[0022] See Figure 2 The machine body 2 has an air vent 25 at the rear end, and heating plates 26 are provided at both the upper and lower ends of the inner wall of the machine body 2. After the ceramic material is placed into the rotating mechanism 4, the sealing cover 21 is closed, and the heating plates 26 can be controlled by the controller to start adding the material and firing the ceramic material.

[0023] As another embodiment, such as Figure 1 and Figure 3 As shown, the atmosphere control mechanism 3 includes an array of inlet pipes 31, a mixing chamber 32, a heating wire 33, and an outlet pipe 34. The side of the mixing chamber 32 is inserted into the side of the body 2. One end of the inlet pipe 31 is connected to the mixing chamber 32, and the mixing chamber 32 is connected to the gas generator through the inlet pipe 31. The heating wire 33 is disposed inside the mixing chamber 32. One end of the outlet pipe 34 is connected to the mixing chamber 32, and the other end of the outlet pipe 34 passes through the body 2 and is connected to the airflow chamber 5. The gas generator connected to the inlet pipe 31 is a common inert gas generator in the prior art. By filling the inlet pipe 31 with inert gas, various inert gases enter the mixing chamber 32 through the inlet pipe 31.

[0024] When it is necessary to reduce the oxygen content inside the body 2, inert gas is introduced through the inlet pipe 31 into the mixing chamber 32. Different inert gases are mixed in the mixing chamber 32. The heating wire 33 heats up the inert gas in the mixing chamber 32 to prevent it from affecting the internal temperature of the body 2 after entering the body 2, thus affecting the firing effect. The mixed and heated inert gas enters the airflow chamber 5 through the outlet pipe 34 and drives the rotating mechanism 4 to slowly rotate the ceramic material. The inert gas passes through the rotating mechanism 4 and is released into the body 2, causing the air inside the body 2 to be compressed and discharged from the outlet 25, thereby reducing the oxygen content inside the body 2.

[0025] The machine body 2 is also equipped with gas sensors, temperature sensors, etc., to monitor the content of various gases and the temperature inside the machine body 2 in real time, so that the operators can judge the firing status.

[0026] See Figure 3 An air pump 35 is installed at the connection between the air outlet pipe 34 and the mixing chamber 32. The air pump 35 allows the inert gas in the mixing chamber 32 to enter the air flow chamber 5 through the air outlet pipe 34.

[0027] As another embodiment, such as Figure 2 and Figure 4 As shown, the rotating mechanism 4 includes an L-shaped support platform 41, a support handle 42, a rotating disk 43, and a rotating impeller 44. The upper end of the L-shaped support platform 41 is bolted to the upper part of the inner wall of the machine body 2. The airflow chamber 5 is opened inside the L-shaped support platform 41. The lower end of the support handle 42 is welded to the upper part of the L-shaped support platform 41. The lower end of the rotating disk 43 is rotatably connected to the upper end of the support handle 42. The rotating impeller 44 is set inside the airflow chamber 5. The lower end of the rotating impeller 44 is rotatably connected to the inner wall of the L-shaped support platform 41. The middle part of the upper end of the rotating impeller 44 passes through the L-shaped support platform 41 and the support handle 42 and is inserted into the rotating disk 43.

[0028] When the inert gas enters the airflow chamber 5 through the outlet pipe 34, the inert gas drives the rotating impeller 44 to rotate. The rotation of the rotating impeller 44 drives the rotating disk 43 to rotate, which in turn causes the ceramic material placed on the rotating disk 43 to rotate. This makes the ceramic material heated more evenly and allows the operator to observe the firing status of the ceramic material through the observation window 24.

[0029] See Figure 4An outlet groove 411 is provided on the side of the L-shaped support platform 41 away from the outlet pipe 34. The outlet groove 411 is connected to the airflow chamber 5. The rotational connection between the rotating impeller 44 and the L-shaped support platform 41 has a certain degree of damping. After the inert gas drives the rotating impeller 44 to rotate, it is finally discharged from the airflow chamber 5 through the outlet groove 411 and enters the interior of the machine body 2. The damped rotational connection between the rotating impeller 44 and the L-shaped support platform 41 prevents the rotating disk 43 from rotating too fast, allowing it to drive the ceramic material to rotate slowly. There is a certain gap between the blades of the rotating impeller 44 and the inner wall of the gas chamber, so that the inert gas is not blocked in the gas chamber. Furthermore, a damping adjustment device can be set to adjust its friction to change the rotational speed of the rotating disk 43.

[0030] Working principle: When in use, open the sealing cover 21 through the handle 22, place the fluorescent ceramic material to be fired on the rotating disk 43, and close the sealing cover 21 to start the firing process. The air inside the machine body 2 is heated by the heating plate 26, and then inert gas is introduced into the mixing chamber 32 through the air inlet pipe 31. The inert gas is heated by the heating wire 33 and then enters the air flow chamber 5 through the air outlet pipe 34, which drives the rotating impeller 44 to rotate, thereby driving the rotating disk 43 to rotate and causing the ceramic material to rotate slowly. The inert gas is discharged into the machine body 2 through the air outlet groove 411, which reduces the oxygen content inside the machine body 2. After firing is completed, open the sealing cover 21 and take out the fired ceramic material.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A box furnace for producing fluorescent ceramics, characterized in that... The device includes a base (1), a body (2), an atmosphere control mechanism (3), and a rotating mechanism (4) that drives the ceramic material to rotate, which is driven by the atmosphere control mechanism (3). The base (1) is bolted to the ground, the lower end of the body (2) is bolted to the upper end of the base (1), the atmosphere control mechanism (3) is detachably connected to the side of the body (2), and the rotating mechanism (4) is bolted to the upper end of the inner wall of the body (2). An airflow chamber (5) is provided inside the rotating mechanism (4), and the airflow chamber (5) is connected to the atmosphere control mechanism (3). The body (2) fires the ceramic material by heating. The atmosphere control mechanism (3) delivers inert gas into the body (2) while driving the rotating mechanism (4) to rotate. The rotation of the rotating mechanism (4) causes the ceramic material to rotate slowly.

2. The box furnace for producing fluorescent ceramics according to claim 1, characterized in that, The base (1) is equipped with a controller and a display screen to control the heating status of the atmosphere control mechanism (3) and the body (2) with electrical signals and display numerical values.

3. The box furnace for producing fluorescent ceramics according to claim 1, characterized in that, The front end of the body (2) is provided with an openable and closable sealing cover (21), and the sealing cover (21) is provided with a handle (22), a rotating shaft (23) and an observation window (24).

4. The box furnace for producing fluorescent ceramics according to claim 1, characterized in that, The rear end of the body (2) is provided with an air vent (25), and heating plates (26) are provided at both the upper and lower ends of the inner wall of the body (2).

5. The box furnace for producing fluorescent ceramics according to claim 1, characterized in that, The atmosphere control mechanism (3) includes an array of air inlet pipes (31), a mixing chamber (32), a heating wire (33), and an air outlet pipe (34). The side of the mixing chamber (32) is inserted into the side of the body (2). One end of the air inlet pipe (31) is connected to the mixing chamber (32). The mixing chamber (32) is connected to the gas generator through the air inlet pipe (31). The heating wire (33) is located inside the mixing chamber (32). One end of the air outlet pipe (34) is connected to the mixing chamber (32). The other end of the air outlet pipe (34) passes through the body (2) and is connected to the airflow chamber (5).

6. The box furnace for producing fluorescent ceramics according to claim 5, characterized in that, An air pump (35) is provided at the connection between the air outlet pipe (34) and the mixing chamber (32).

7. The box furnace for producing fluorescent ceramics according to claim 5, characterized in that, The rotating mechanism (4) includes an L-shaped support platform (41), a support handle (42), a rotating disk (43), and a rotating impeller (44). The upper end of the L-shaped support platform (41) is bolted to the upper part of the inner wall of the machine body (2). The airflow chamber (5) is opened inside the L-shaped support platform (41). The lower end of the support handle (42) is welded to the upper part of the L-shaped support platform (41). The lower end of the rotating disk (43) is rotatably connected to the upper end of the support handle (42). The rotating impeller (44) is set inside the airflow chamber (5). The lower end of the rotating impeller (44) is rotatably connected to the inner wall of the L-shaped support platform (41). The middle part of the upper end of the rotating impeller (44) passes through the L-shaped support platform (41) and the support handle (42) and is inserted into the rotating disk (43).

8. The box furnace for producing fluorescent ceramics according to claim 7, characterized in that, The L-shaped support platform (41) is provided with an air outlet groove (411) on the side away from the air outlet pipe (34). The air outlet groove (411) is connected to the airflow chamber (5). The rotational connection between the rotating impeller (44) and the L-shaped support platform (41) has a certain damping.

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