Silicon carbide powder synthesis device

Abstract

The utility model discloses a silicon carbide powder synthesis device in the technical field of silicon carbide powder synthesis, which comprises a furnace body, a bottom plate is mounted at the bottom end in the furnace body, crucibles are mounted on two sides of the top of the bottom plate, and the silicon carbide powder synthesis device is reasonable in structure. According to the present invention, the silicon carbide powder is subjected to the synthesis treatment in the four groups of the crucibles, such that the multi-batch operation of the silicon carbide powder can be achieved during the synthesis process of the same batch so as to reduce a certain cost, and the two or four groups of the rotating rods are correspondingly arranged on the top of the mounting rack on the base in the rotating connection manner so as to achieve the multi-batch operation; the two or four groups of stirring paddles on the outer walls of the rotating rods are correspondingly arranged in the crucible, and the synchronous wheel A on the rotating shaft is correspondingly connected to the synchronous wheel B on the outer walls of the rotating rods by adopting the synchronous belt, so that the motor can synchronously drive the rotating rods to rotate forwards or backwards, and the stirring paddles are used for mixing and stirring silicon carbide powder in the crucible.

Description

Technical Field

[0001] This utility model relates to the field of silicon carbide powder synthesis technology, specifically to a silicon carbide powder synthesis device. Background Technology

[0002] Silicon carbide (SiC) is an important semiconductor material widely used in high-temperature, high-frequency, and high-power electronic and optoelectronic devices. Currently, in the synthesis of silicon carbide powder, a set of crucibles is typically used. Only after a batch of silicon carbide powder has been synthesized can the next batch be synthesized, resulting in relatively low efficiency. To meet the needs of synthesizing multiple batches of silicon carbide powder, more crucibles are required, increasing costs. Furthermore, during the synthesis process in the crucible, the uniformity of the silicon carbide powder cannot be guaranteed, leading to a certain degree of quality degradation or substandard quality of the synthesized silicon carbide powder. This reduces the effectiveness of the silicon carbide powder synthesis equipment and directly affects the synthesis efficiency.

[0003] Therefore, it is necessary to develop a silicon carbide powder synthesis device. Utility Model Content

[0004] The purpose of this invention is to provide a silicon carbide powder synthesis apparatus to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a silicon carbide powder synthesis device, comprising a furnace body, a bottom plate installed at the bottom of the furnace body, crucibles installed on both sides of the top of the bottom plate, a base installed below the furnace body, and a mounting bracket installed on the top of the base;

[0006] Rotating rods are rotatably connected to both sides of the top of the mounting bracket.

[0007] Preferably, a furnace cover is slidably connected to the top of the furnace body, and heat-insulating hot fields are installed on both sides of the interior of the furnace body, with induction coils provided on the outer wall of the heat-insulating hot fields.

[0008] Preferably, a lid is installed on the top of the crucible, and the lower outer wall of the lid is slidably connected to the outer wall of the crucible.

[0009] Preferably, a motor is installed at the center of the top of the mounting bracket, and the output shaft of the motor is fixedly connected to the bottom of the rotating shaft via a coupling.

[0010] Preferably, the top end of the rotating shaft is rotatably connected to the bottom center of the furnace body, and synchronous pulleys A are provided on both the upper and lower sides of the outer wall of the rotating shaft.

[0011] Preferably, a synchronizing wheel B is provided on the lower part of the outer wall of the rotating rod, and the synchronizing wheel B is located outside the furnace body.

[0012] Preferably, stirring paddles are provided on both sides of the upper outer wall of the rotating rod, and the stirring paddles are located inside the crucible.

[0013] Preferably, a gas supply pipe is installed inside the rotating rod, and an exhaust head is provided at the top of the gas supply pipe. The exhaust head is located inside and above the crucible, and a valve is provided on the outer wall of the gas supply pipe.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] By placing two or four sets of crucibles inside the furnace used for silicon carbide powder synthesis, and processing the silicon carbide powder in each of the four crucibles, multiple batches of silicon carbide powder can be synthesized in the same batch, reducing costs. Simultaneously, two or four sets of rotating rods are rotatably connected and mounted on the top of the mounting frame on the base. Stirring paddles on the outer walls of the two or four sets of rotating rods are correspondingly positioned inside the crucibles. Synchronous pulley A on the rotating shaft is connected to synchronous pulley B on the outer wall of the rotating rod using a synchronous belt, allowing the motor to synchronously drive the rotating rods to rotate forward or backward. This ensures that the stirring paddles mix and stir the silicon carbide powder in the crucibles, guaranteeing uniformity during the synthesis process and minimizing the possibility of quality degradation or substandard results after synthesis. This effectively improves the performance of the silicon carbide powder synthesis device and directly increases the synthesis efficiency. Attached Figure Description

[0016] Figure 1 A front sectional view provided for this utility model;

[0017] Figure 2 A front view provided for this utility model;

[0018] Figure 3 Provided by this utility model Figure 1 Enlarged view of the structure at point A in the image;

[0019] Figure 4 This is a partial three-dimensional structural schematic diagram of the present invention.

[0020] In the diagram: 1. Furnace body; 101. Bottom plate; 102. Furnace cover; 103. Insulation field; 104. Induction coil; 2. Crucible; 201. Crucible cover; 3. Base; 301. Mounting bracket; 302. Motor; 303. Rotating shaft; 304. Synchronous pulley A; 4. Rotating rod; 401. Synchronous pulley B; 402. Stirring paddle; 403. Gas supply pipe; 404. Exhaust head; 405. Valve. Detailed Implementation

[0021] 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.

[0022] This utility model provides the following technical solution: a silicon carbide powder synthesis apparatus, please refer to... Figures 1-4 The furnace includes a furnace body 1, with a bottom plate 101 installed at the bottom of the furnace body 1. A furnace cover 102 is slidably connected to the top of the furnace body 1. Insulating heating fields 103 are installed on both sides of the furnace body 1. Induction coils 104 are installed on the outer wall of the insulating heating fields 103. The interior of the furnace body 1 is designed according to the internal structure of existing synthesis devices. The insulating heating fields 103 and the induction coils 104 ensure effective heat transfer and maintain a stable heating temperature during the induction heating process. The function of the insulating heating fields 103 is to reduce heat loss, improve the energy efficiency of the equipment, and ensure that the heated object receives uniform heating within the induction coils 104, promoting the heating and phase change processes of the material. Furthermore, the insulating heating fields can reduce energy consumption, extend the service life of the equipment, and improve production efficiency. When setting up an induction heating system, reasonable design of insulation measures is key to achieving optimal heating effect and economy. The induction coils 104 generate an alternating magnetic field through current, which in turn... The heating process induces an electric current inside the object. The heat retention and transfer during this process depend on good insulation measures to achieve efficient and stable heating. Crucibles 2 are installed on both sides of the top of the base plate 101. A lid 201 is installed on the top of the crucible 2. The lower outer wall of the lid 201 is slidably connected to the outer wall of the crucible 2. Two or four sets of crucibles 2 are placed in the furnace body 1 used for silicon carbide powder synthesis. According to the synthesis process of silicon carbide powder in four sets of crucibles 2, multiple batches of silicon carbide powder can be processed in the same batch synthesis process, which reduces certain costs. A base 3 is installed below the furnace body 1. A mounting frame 301 is installed on the top of the base 3. A motor 302 is installed at the center of the top of the mounting frame 301. The output shaft of the motor 302 is fixedly connected to the bottom end of the rotating shaft 303 through a coupling. The top of the rotating shaft 303 is rotatably connected to the center of the bottom of the furnace body 1. Synchronous wheels A304 are provided on the upper and lower sides of the outer wall of the rotating shaft 303.

[0023] Rotary rods 4 are rotatably connected to both sides of the top of the mounting bracket 301. Synchronous pulleys B401 are installed on the lower outer wall of the rotating rods 4, located outside the furnace body 1. Stirring paddles 402 are installed on both sides of the upper outer wall of the rotating rods 4, located inside the crucible 2. Two or four sets of rotating rods 4 are rotatably connected and correspondingly mounted on the top of the mounting bracket 301 on the base 3. The stirring paddles 402 on the outer walls of the two or four sets of rotating rods 4 are correspondingly positioned inside the crucible 2. Synchronous pulleys A304 on the rotating shaft 303 are connected to synchronous pulleys B401 on the outer wall of the rotating rods 4 via a synchronous belt, causing the motor 302 to drive the rotating shaft 303 to rotate forward or backward, synchronously driving the rotating rods 4 to rotate forward or backward, thereby achieving the stirring paddles 402 stirring the carbon inside the crucible 2. The silicon carbide powder is mixed and stirred to ensure uniformity during the synthesis process and minimize the risk of quality degradation or substandard results. Four sets of crucibles 2 require four sets of rotating rods 4, each equipped with two sets of motors 302. Each motor 302 controls two sets of rotating rods 4. A gas supply pipe 403 is installed inside the rotating rod 4, with an exhaust head 404 at its top. The exhaust head 404 is located inside the crucible 2. A valve 405 is installed on the outer wall of the gas supply pipe 403. By placing the gas supply pipe 403 inside the rotating rod 4 and connecting it to an external gas supply device, the gas supply pipe 403 remains inside the rotating rod 4 without affecting its rotation, while simultaneously allowing gas to be supplied to the crucible 2.

[0024] Working Principle: When using this invention, the interior of the furnace body 1 is set according to the internal structure of the synthesis device in the prior art. The heat-insulating hot field 103 and the induction coil 104 ensure effective heat transfer and maintain a stable heating temperature during the induction heating process. The function of the heat-insulating hot field 103 is to reduce heat loss, improve the energy efficiency of the equipment, and ensure that the heated object receives uniform heating within the induction coil 104, promoting the heating and phase change processes of the material. Furthermore, the heat-insulating hot field can reduce energy consumption, extend the service life of the equipment, and improve production efficiency. When setting up the induction heating system, reasonable design of insulation measures is key to achieving optimal heating effect and economy. The induction coil 104 generates an alternating magnetic field through current, thereby inducing current inside the heated object. The retention and transfer of heat in this process depends on good insulation measures, thus achieving efficient and stable heating. By placing two or four sets of crucibles 2 inside the furnace body 1 used for silicon carbide powder synthesis, and synthesizing silicon carbide powder in four sets of crucibles 2, the heat is uniformly transferred and the heat transfer is maintained within the crucibles. The batch synthesis process enables multi-batch operation of silicon carbide powder, reducing costs. Two or four sets of rotating rods 4 are rotatably connected and mounted on the top of the mounting bracket 301 on the base 3. Stirring paddles 402 on the outer walls of the two or four sets of rotating rods 4 are correspondingly positioned inside the crucible 2. A synchronous belt connects the synchronous pulley A304 on the rotating shaft 303 to the synchronous pulley B401 on the outer wall of the rotating rod 4, allowing the motor 302 to drive the rotating shaft 303 to rotate forward or backward, synchronously driving the rotating rods 4 to rotate forward or backward. The mixing and stirring of silicon carbide powder in crucible 2 by the stirring paddle 402 is reversed, ensuring the uniformity of silicon carbide powder synthesis and minimizing the possibility of quality degradation or substandard results after synthesis. Simultaneously, four sets of crucibles 2 require four sets of rotating rods 4, and each set of rotating rods 4 requires two sets of motors 302, with each motor 302 controlling one set of rotating rods 4. This effectively improves the performance of the silicon carbide powder synthesis device and directly enhances the synthesis efficiency of silicon carbide powder.

[0025] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A silicon carbide powder synthesis device comprising a furnace body (1), the inside bottom end of the furnace body (1) is provided with a bottom plate (101), characterized in that: The top of the bottom plate (101) is provided with a crucible (2) on both sides, the bottom of the furnace body (1) is provided with a base (3), the top of the base (3) is provided with a mounting frame (301); The top of the mounting frame (301) is rotatably connected with a rotating rod (4) on both sides.

2. A device for synthesizing silicon carbide powder according to claim 1, characterized in that: The top of the furnace body (1) is slidably connected with a furnace cover (102), both sides of the inside of the furnace body (1) is provided with a heat preservation hot field (103), the outer wall of the heat preservation hot field (103) is provided with an induction coil (104).

3. A device for synthesizing silicon carbide powder as claimed in claim 1, wherein: The top of the crucible (2) is provided with a lid (201), the lower outer wall of the lid (201) is slidably connected with the outer wall of the crucible (2).

4. The apparatus of claim 1, wherein: The inside of the mounting frame (301) is provided with a motor (302) at the top center position, the output shaft of the motor (302) is fixedly connected with the bottom end of the rotating shaft (303) through a shaft coupling.

5. A device for synthesizing silicon carbide powder as claimed in claim 4, wherein: The top end of the rotating shaft (303) is rotatably connected with the bottom center position of the furnace body (1), the outer wall of the rotating shaft (303) is provided with a synchronous wheel A (304) above and below.

6. A device for synthesizing silicon carbide powder as defined in claim 1, wherein: The outer wall of the rotating rod (4) is provided with a synchronous wheel B (401) below, the synchronous wheel B (401) is located outside the furnace body (1).

7. The apparatus of claim 1, wherein: The outer wall of the rotating rod (4) is provided with a stirring paddle (402) on both sides above, the stirring paddle (402) is located inside the crucible (2).

8. A device for synthesizing silicon carbide powder according to claim 7, wherein: The inside of the rotating rod (4) is provided with a gas pipe (403), the top end of the gas pipe (403) is provided with an exhaust head (404), the exhaust head (404) is located above the inside of the crucible (2), the outer wall of the gas pipe (403) is provided with a valve (405).

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