Storage device for production of silicon single crystal rods

Abstract

The utility model relates to the technical field of single crystal silicon rods, and discloses a storage device for production of single crystal silicon rods, which comprises a tank body, support legs and an end cover. Through the arrangement of the tank body, the supporting legs, the end cover, the control box, the discharging device, the stirring mechanism, the heating structure and the thermometer, the internal temperature value is firstly set through the control box, the stirring mechanism is started, the first motor drives the stirring frame to rotate, then liquid silicon materials are injected from the top of the end cover, and the liquid silicon materials are heated through the heating structure; when the liquid silicon material needs to be discharged, the material pumping mechanism is started, the second motor drives the fan blades to rotate, the fan blades rotate to generate suction force, and therefore the liquid silicon material is pumped, and the problems that in the prior art, most material storage devices are only single tanks, and when the liquid silicon material is stored, the liquid silicon material cannot be discharged easily are solved. The liquid silicon material and the tank body can be solidified together, so that the liquid silicon material cannot be processed in the next step.

Description

Technical Field

[0001] The utility model belongs to the technical field of single crystal silicon rods, and in particular relates to a storage device for the production of single crystal silicon rods. Background Art

[0002] Single crystal silicon rods are one of the key raw materials for the photovoltaic industry. They are made of pure silicon crystals and are usually produced through a crystal pulling process. During the crystal pulling process, molten silicon is dropped onto a rotating rod, and the silicon liquid gradually solidifies to form a single crystal silicon rod. This rod-shaped object is characterized by a consistent crystal structure and excellent electrical properties, and is an important material for manufacturing photovoltaic cells.

[0003] During the manufacturing process of single crystal silicon rods, the silicon material needs to be heated to a liquid state through a melting device. In order to ensure the quality and continuous production of the single crystal silicon rods, a storage device is required to store the liquid silicon material. The problem with the above technology is that in the existing technology, most storage devices are just single tanks. When storing liquid silicon material, the liquid silicon material may solidify together with the tank, and the liquid silicon material cannot be processed further. Utility Model Content

[0004] In view of the problems existing in the prior art, the present invention provides a storage device for the production of single crystal silicon rods that can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is implemented as follows: a storage device for the production of single crystal silicon rods includes a tank body, support legs and end covers, and is characterized in that: the surface of the tank body is fixedly installed on the top of the support legs, the bottom of the end cover is installed on the top of the tank body, a control box is installed on the surface of the tank body, a feeding device is installed on the surface of the tank body, a stirring mechanism is installed in the inner cavity of the tank body, a heating structure is installed in the inner cavity of the tank body, and a thermometer is installed in the inner cavity of the tank body.

[0006] In order to improve the discharge of liquid silicon material, preferably, the discharge device includes a first pipe, a second pipe and a pumping mechanism, the pumping mechanism is installed on the surface of the tank body, the bottom of the pumping mechanism is fixedly connected to the surface of the tank body through the first pipe, one end of the second pipe is fixedly installed on the left side of the pumping mechanism, and a support frame is installed on the right side of the pumping mechanism, which can be driven by the pumping mechanism, and the liquid is discharged from the second pipe through the first pipe and the pumping mechanism.

[0007] In order to improve the stirring of the liquid silicon material, preferably, the stirring mechanism includes a stirring frame and a first motor, the stirring frame is installed in the inner cavity of the tank body, the stirring frame is fixedly installed at the output end of the first motor, the first motor is installed at the bottom of the tank body, and a mounting frame is installed on the top of the first motor, which can be rotated by the first motor. The first motor drives the stirring frame to rotate, and the stirring frame stirs the hydraulic silicon material.

[0008] In order to improve the heating of the liquid silicon material, preferably, the heating structure includes a heating ring and a fixed plate, the heating ring is installed in the inner cavity of the tank body, the surface of the fixed plate is fixedly installed on the inner wall of the tank body, and the surface of the heating ring is fixedly installed in the middle of the fixed plate. The liquid can be heated by the heating tube to prevent the liquid silicon material from solidifying in the tank body.

[0009] In order to improve the extraction of liquid silicon material, preferably, the extraction mechanism includes a second motor, fan blades and a box body, the bottom of the box body is fixedly installed on one end of the first pipe, the fan blades are installed in the inner cavity of the box body, the fan blades are fixedly installed on the output end of the second motor, and the top of the second motor is fixedly installed on the top of the box body. The second motor can be rotated, and the second motor drives the fan blades to rotate. The rotation of the fan blades generates suction, thereby sucking up the liquid silicon material.

[0010] In order to improve the installation of the box, preferably, the left side of the support frame is fixedly installed on the right side of the box, and the right side of the support frame is fixedly installed on the surface of the tank. The box can be installed on the support frame, and the support frame is installed on the tank, so that the box can be installed.

[0011] In order to improve the installation of the first motor, preferably, the mounting frame includes a top plate, a bottom plate and a connecting plate. The top of the top plate is fixedly installed on the bottom of the tank body, and the bottom of the bottom plate is fixedly installed on the output end of the first motor. The bottom of the top plate is fixedly connected to the top of the bottom plate through the connecting plate. The first motor can be installed on the mounting frame, and the mounting frame is installed on the bottom of the tank body, thereby installing the first motor.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] The utility model is provided with a tank body, supporting legs, end covers, a control box, a feeding device, a stirring mechanism, a heating structure and a temperature controller. First, the internal temperature value is set through the control box, the stirring mechanism is turned on, the first motor rotates, and the first motor drives the stirring frame to rotate. Then, liquid silicon material is injected from the top of the end cover, and the liquid silicon material is heated by the heating structure to prevent the liquid silicon material from solidifying. When the liquid silicon material needs to be discharged, the extraction mechanism is turned on, the second motor rotates, and the second motor drives the fan blades to rotate. The rotation of the fan blades generates suction, thereby extracting the liquid silicon material. This solves the problem in the prior art that most storage devices are only a single tank body. When storing liquid silicon material, the liquid silicon material may solidify together with the tank body, and the liquid silicon material cannot be processed in the next step. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure provided by an embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the mounting frame and the stirring mechanism provided in an embodiment of the utility model;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the heating structure provided by an embodiment of the utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the material extraction mechanism provided in an embodiment of the utility model.

[0018] In the figure: 1. Tank body; 2. Support legs; 3. End cover; 4. Control box; 5. Unloading device; 501. First pipe; 502. Second pipe; 503. Extraction mechanism; 5031. Second motor; 5032. Fan blade; 5033. Box body; 6. Stirring mechanism; 601. Stirring frame; 602. First motor; 7. Heating structure; 701. Heating coil; 702. Fixed plate; 8. Temperature controller; 9. Support frame; 10. Mounting frame; 1001. Top plate; 1002. Bottom plate; 1003. Connecting plate. DETAILED DESCRIPTION

[0019] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0020] The structure of the present utility model is described in detail below with reference to the accompanying drawings.

[0021] like Figures 1 to 4As shown, an embodiment of the present invention provides a storage device for producing single crystal silicon rods, comprising a tank body 1, a support leg 2 and an end cover 3. The surface of the tank body 1 is fixedly mounted on the top of the support leg 2, and the bottom of the end cover 3 is mounted on the top of the tank body 1. A control box 4 is mounted on the surface of the tank body 1, a feeding device 5 is mounted on the surface of the tank body 1, a stirring mechanism 6 is mounted in the inner cavity of the tank body 1, a heating structure 7 is mounted in the inner cavity of the tank body 1, and a thermometer 8 is mounted in the inner cavity of the tank body 1. In order to improve the feeding of liquid silicon material, the feeding device 5 comprises a first pipe 501, a second pipe 502 and a feeding mechanism 503. The feeding mechanism 503 is mounted on the surface of the tank body 1, and the bottom of the feeding mechanism 503 is fixedly connected to the surface of the tank body 1 through the first pipe 501, and the second pipe One end of 502 is fixedly mounted on the left side of the extraction mechanism 503, and a support frame 9 is installed on the right side of the extraction mechanism 503, which can be driven by the extraction mechanism 503. The liquid passes through the first pipe 501 and the extraction mechanism 503 and is discharged from the second pipe 502. In order to improve the stirring of the liquid silicon material, the stirring mechanism 6 includes a stirring frame 601 and a first motor 602. The stirring frame 601 is installed in the inner cavity of the tank body 1. The stirring frame 601 is fixedly mounted on the output end of the first motor 602. The first motor 602 is installed at the bottom of the tank body 1. A mounting frame 10 is installed on the top of the first motor 602, which can be rotated by the first motor 602. The first motor 602 drives the stirring frame 601 to rotate, and the stirring frame 601 stirs the hydraulic silicon material. In order to improve the heating of the liquid silicon material, the heating structure 7 includes a heating coil 701 and a fixed plate 702. The heating coil 701 is installed in the inner cavity of the tank body 1, and the surface of the fixed plate 702 is fixedly installed on the inner wall of the tank body 1. The surface of the heating coil 701 is fixedly installed in the middle of the fixed plate 702. The liquid can be heated by the heating tube to prevent the liquid silicon material from solidifying in the tank body 1. In order to improve the extraction of the liquid silicon material, the extraction mechanism 503 includes a second motor 5031, a fan blade 5032 and a box body 5033. The bottom of the box body 5033 is fixedly installed at one end of the first pipe 501, the fan blade 5032 is installed in the inner cavity of the box body 5033, and the fan blade 5032 is fixedly installed at the output end of the second motor 5031. The second motor 503 The top of 1 is fixedly mounted on the top of the box body 5033 and can be rotated by the second motor 5031. The second motor 5031 drives the fan blades 5032 to rotate. The rotation of the fan blades 5032 generates suction, thereby sucking the liquid silicon material. In order to improve the installation of the box body 5033, the left side of the support frame 9 is fixedly mounted on the right side of the box body 5033, and the right side of the support frame 9 is fixedly mounted on the surface of the tank body 1. The box body 5033 can be installed on the support frame 9. The support frame 9 is installed on the tank body 1, so that the box body 5033 can be installed. In order to improve the installation of the first motor 602, the mounting frame 10 includes a top plate 1001, a bottom plate 1002 and a connecting plate 1003. The top of the top plate 1001 is fixedly mounted on the bottom of the tank body 1.The bottom of the bottom plate 1002 is fixedly mounted on the output end of the first motor 602. The bottom of the top plate 1001 is fixedly connected to the top of the bottom plate 1002 via the connecting plate 1003. The first motor 602 can be mounted on the mounting bracket 10, which is then mounted on the bottom of the tank 1, thereby mounting the first motor 602.

[0022] The working principle of this utility model:

[0023] During use, first set the internal temperature of the tank body 1 through the control box 4, then turn on the stirring mechanism 6, the first motor 602 rotates, the first motor 602 drives the stirring frame 601 to rotate, and then inject the liquid silicon material from the top of the end cover 3. When the temperature of the inner cavity of the tank body 1 is lower than the set value, the thermometer 8 sends a signal to the control box 4, the control box 4 receives the signal and controls the heating coil 701 to heat. When the liquid silicon material needs to be discharged, turn on the extraction mechanism 503, the second motor 5031 rotates, the second motor 5031 drives the fan blade 5032 to rotate, the fan blade 5032 rotates to generate suction, and the liquid silicon material passes through the first pipe 501 and the box 5033 and is discharged from the second pipe 502.

[0024] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0025] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent will not depart from the scope of the technical solution of the present invention.

Claims

1. A storage device for producing single crystal silicon rods, comprising a tank body (1), supporting legs (2) and end covers (3), characterized in that: The surface of the tank body (1) is fixedly mounted on the top of the support leg (2), the bottom of the end cover (3) is mounted on the top of the tank body (1), a control box (4) is mounted on the surface of the tank body (1), a feeding device (5) is mounted on the surface of the tank body (1), a stirring mechanism (6) is mounted in the inner cavity of the tank body (1), a heating structure (7) is mounted in the inner cavity of the tank body (1), and a thermometer (8) is mounted in the inner cavity of the tank body (1).

2. The storage device for producing single crystal silicon rods according to claim 1, characterized in that: The unloading device (5) comprises a first pipe (501), a second pipe (502) and a material extraction mechanism (503); the material extraction mechanism (503) is installed on the surface of the tank body (1); the bottom of the material extraction mechanism (503) is fixedly connected to the surface of the tank body (1) through the first pipe (501); one end of the second pipe (502) is fixedly installed on the left side of the material extraction mechanism (503); and a support frame (9) is installed on the right side of the material extraction mechanism (503).

3. The storage device for producing single crystal silicon rods according to claim 1, characterized in that: The stirring mechanism (6) comprises a stirring frame (601) and a first motor (602), wherein the stirring frame (601) is installed in the inner cavity of the tank body (1), the stirring frame (601) is fixedly installed on the output end of the first motor (602), the first motor (602) is installed at the bottom of the tank body (1), and a mounting frame (10) is installed on the top of the first motor (602).

4. The storage device for producing single crystal silicon rods according to claim 1, wherein: The heating structure (7) comprises a heating coil (701) and a fixing plate (702), wherein the heating coil (701) is installed in the inner cavity of the tank body (1), the surface of the fixing plate (702) is fixedly installed on the inner wall of the tank body (1), and the surface of the heating coil (701) is fixedly installed in the middle of the fixing plate (702).

5. The storage device for producing single crystal silicon rods according to claim 2, characterized in that: The material extraction mechanism (503) comprises a second motor (5031), a fan blade (5032) and a box (5033), wherein the bottom of the box (5033) is fixedly mounted on one end of the first pipe (501), the fan blade (5032) is mounted in the inner cavity of the box (5033), the fan blade (5032) is fixedly mounted on the output end of the second motor (5031), and the top of the second motor (5031) is fixedly mounted on the top of the box (5033).

6. The storage device for producing single crystal silicon rods according to claim 5, characterized in that: The left side of the support frame (9) is fixedly mounted on the right side of the box body (5033), and the right side of the support frame (9) is fixedly mounted on the surface of the tank body (1).

7. The storage device for producing single crystal silicon rods according to claim 3, characterized in that: The mounting frame (10) comprises a top plate (1001), a bottom plate (1002) and a connecting plate (1003); the top of the top plate (1001) is fixedly mounted on the bottom of the tank body (1); the bottom of the bottom plate (1002) is fixedly mounted on the output end of the first motor (602); and the bottom of the top plate (1001) and the top of the bottom plate (1002) are fixedly connected via the connecting plate (1003).

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