High-purity crystal material storage device

Abstract

The utility model discloses a high-purity crystal material storage device which comprises a storage tank, a feeding pipe is arranged on the side wall of the storage tank, a discharging pipe is arranged on one side of the bottom end of the storage tank, supporting legs are arranged at the bottom end of the storage tank at equal intervals, an auxiliary mixing assembly is arranged in the storage tank, and a ventilation assembly is arranged at the top end of the storage tank. Exhaust assemblies are arranged on the peripheral side face of the storage tank at equal intervals, and plugging mechanisms are arranged in the exhaust assemblies. When drying and ventilation are not carried out, the inside of the vent pipe can be automatically blocked, so that the sealing performance of the vent pipe can be ensured, external moisture, dust and other impurities are prevented from entering the inside of the storage tank along the vent pipe, and the internal dryness, cleanliness, packaging and storage effects and product purity can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of storage devices, in particular to a high-purity crystal material storage device. Background Art

[0002] High-purity silicon material is a high-purity silicon material obtained by special purification processes such as chlorine refining, distillation, and hydrogen reduction of crystalline silicon material (also known as industrial silicon or metallic silicon). The material is smelted to obtain high-purity crystalline silicon. High-purity silicon material is the material for making semiconductors, integrated circuits, and photovoltaic cells. In the past, high-purity silicon materials were mainly used to produce semiconductor components. With the development of semiconductor integrated circuit technology, the integration of circuits has become higher and higher, so the demand for high-purity silicon materials has also increased. At the same time, the production of high-purity silicon requires not only large production volume, but also strict control of cost, production quality, and safety. When high-purity silicon materials are not in use, they need to be stored.

[0003] After searching, a Chinese patent publication number CN219636005U discloses a high-purity silicon crystal material storage device, including: a support plate; a support leg fixedly installed at the bottom of the support plate; a baffle fixedly installed at the top of the support plate; a discharge pipe connected to the bottom of the support plate; a closing valve rotatably connected to the bottom of the discharge pipe; and an operating component arranged on the top of the support plate, the operating component includes a storage part arranged on the top of the support plate, a stirring part fixedly installed inside the storage part, and the stirring part is connected to a ventilation part.

[0004] However, the above device has certain defects in actual use. Although it can perform drying and ventilation operations during storage, its air diffusion holes are in direct contact with the outside world, which can easily cause external moisture or impurities to enter the tank through the air diffusion holes, which can easily cause moisture and affect the purity of the product. Utility Model Content

[0005] The purpose of the utility model is to provide a high-purity crystal material storage device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-purity crystal material storage device, comprising a storage tank, a feed pipe is provided on the side wall of the storage tank, a discharge pipe is provided on one side of the bottom end of the storage tank, and feet are equidistantly provided at the bottom end of the storage tank, an auxiliary mixing assembly is provided inside the storage tank, a ventilation assembly is provided at the top of the storage tank, exhaust assemblies are equidistantly provided on the side surfaces of the storage tank, and a sealing mechanism is provided inside the exhaust assembly.

[0007] Preferably, in order to slowly and regularly stir the interior to avoid sticking and to assist ventilation and drying, the auxiliary mixing assembly includes a motor arranged in the middle of the top end of the storage tank, a rotating shaft is fixedly provided at the output end of the motor, the rotating shaft passes through the storage tank and extends to the interior, horizontal plates are equidistantly provided on the side surfaces of the rotating shaft, and stirring plates are symmetrically provided on the horizontal plates at the top and bottom ends.

[0008] Preferably, in order to periodically and slowly stir the interior to avoid sticking and to assist ventilation and drying, the auxiliary mixing assembly also includes a vertical plate arranged at the end of the same end horizontal plate, and a scraper matching the inner wall of the storage tank is provided on the vertical plate.

[0009] Preferably, in order to regularly introduce dry gas into the interior to dry it and ensure the dryness of the storage, the ventilation assembly includes ventilation pipes symmetrically arranged on the storage tank, and a support plate is provided at the top of the interior of the storage tank, and air holes are equidistantly opened on the support plate.

[0010] Preferably, in order to discharge the gas together with moisture and block the crystal material at the same time, the exhaust assembly includes air vents equidistantly arranged on the sides of the storage tank, and filters are provided inside the air vents.

[0011] Preferably, in order to be able to be opened for ventilation and facilitate ventilation and drying, and automatically reset and close after use to prevent external moisture and impurities from entering the interior, the sealing mechanism includes a mounting plate fixedly arranged in the air vent, the mounting plate is provided with a movable plate through a sliding assembly, a sealing ring is provided on the outside of the movable plate, and an annular groove is also provided in the air vent above the movable plate.

[0012] Preferably, in order to be able to open for ventilation and facilitate ventilation and drying, and automatically reset and close after use to prevent external moisture and impurities from entering the interior, the sliding assembly includes a sliding rod symmetrically slidably arranged on the mounting plate, one end of the sliding rod is fixedly provided with a limit plate, and the other end is fixedly connected to the movable plate, and the sliding rod is located between the mounting plate and the movable plate. The outer sleeve is provided with a spring.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The sealing mechanism provided in the air vent can automatically seal the inside of the air vent when drying and ventilation are not performed, thereby ensuring its sealing and preventing external moisture, dust and other impurities from entering the storage tank through the air vent, thereby ensuring the internal dryness, cleanliness, packaging storage effect and product purity;

[0015] (2) Through the ventilation assembly, exhaust assembly and auxiliary mixing assembly, the interior of the storage tank can be ventilated and stirred regularly after storage, and the interior can be ventilated and dried to ensure a dry storage environment and avoid adhesion. During ventilation, the sealing mechanism in the air vent is in an open state, which facilitates the discharge of gas. After ventilation is completed, the seal can be automatically closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a high-purity crystal material storage device proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of a storage tank in a high-purity crystal material storage device proposed by the utility model;

[0018] Figure 3 This is a structural schematic diagram of an auxiliary mixing component in a high-purity crystal material storage device proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of a gas permeable tube in a high-purity crystal material storage device proposed by the utility model;

[0020] Figure 5 The present invention is a partial structural schematic diagram of a blocking mechanism in a high-purity crystal material storage device proposed by the present invention.

[0021] In the figure: 1. storage tank; 2. feed pipe; 3. discharge pipe; 4. ventilation pipe; 5. support foot; 6. motor; 7. ventilation pipe; 8. filter screen; 9. support plate; 10. ventilation hole; 11. rotating shaft; 12. horizontal plate; 13. toggle plate; 14. vertical plate; 15. scraper; 16. mounting plate; 17. annular groove; 18. moving plate; 19. sealing ring; 20. sliding rod; 21. spring; 22. limit plate. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-Figure 5The utility model provides an embodiment: a high-purity crystal material storage device, including a storage tank 1 for storing crystal materials (the crystal material can be high-purity silicon crystals), and a feed pipe 2 for convenient loading of the crystal material is arranged on the side wall of the storage tank 1, and a discharge pipe 3 for convenient discharge of the material is arranged on the bottom side, and the feed pipe 2 and the discharge pipe 3 are both provided with electric control valves, which can be conveniently controlled to open and close, facilitate loading and unloading, and ensure sealing during storage. In order to ensure the overall stability, three sets of legs 5 are vertically welded at the bottom of the storage tank 1 to provide stable support for the device.

[0024] See also Figure 1-Figure 5 In order to periodically and slowly stir the crystal material during storage to avoid adhesion and the like, and to assist ventilation to ensure internal dryness, a motor 6 of an auxiliary mixing assembly is installed in the middle of the top of the storage tank 1. A rotating shaft 11 is fixedly installed at the output end of the motor 6 through a coupling, and the rotating shaft 11 penetrates the storage tank 1 and extends to the inside, where horizontal plates 12 are welded equidistantly. The horizontal plates 12 at the top and bottom are symmetrically provided with toggle plates 13, which can facilitate scraping the bottom of the interior and the bottom of the support plate 9, and the ends of the horizontal plates 12 at the same end are welded with vertical plates 14, and the side walls of the vertical plates 14 are bonded with scrapers 1 for scraping the inner wall. 5. A ventilation pipe 7 of a ventilation assembly is symmetrically arranged at the top of the storage tank 1 (it can be connected to an air pump to allow air or inert gas to be introduced, wherein a drying treatment is performed before the introduction to ensure the dryness of the introduced gas, which is a relatively mature technology and is not described in detail here), so that the dry gas can be easily introduced into the storage tank 1, and a support plate 9 is welded at the top of the interior (located above the feed pipe 2), and air holes 10 connected to the ventilation pipe 7 are equidistantly opened on the support plate 9, and ventilation pipes 4 of an exhaust assembly are equidistantly installed on the side surfaces of the storage tank 1 (the number can be four groups), and a filter screen 8 is installed inside the ventilation pipe 4 to prevent the discharge of high-purity silicon crystal materials.

[0025] See also Figure 1-Figure 5 In order to ensure the purity of the crystal material stored inside and prevent external dust and other impurities from entering the storage tank 1 through the air vent 4, causing contamination of the crystal material, a mounting plate 16 of a blocking mechanism is welded inside the air vent 4, and a slide rod 20 with two sets of sliding components is slidably provided on the mounting plate 16. A limiting plate 22 is welded at one end close to the filter screen 8 to prevent it from falling off, and a moving plate 18 is welded together at the other end. A sealing ring 19 is bonded to the outer wall of the moving plate 18, and an annular groove 17 (which is located at the end away from the filter screen 8) adapted to the moving plate 18 is provided in the air vent 4, which can be opened for exhaust when ventilating and drying, and closed for reset when stopping. In order to achieve automatic reset, a spring 21 is sleeved on the outside of the slide rod 20 (located between the moving plate 18 and the mounting plate 16).

[0026] Working principle: When the utility model is in use, the high-purity silicon crystal material to be stored is introduced into the storage tank 1 through the feed pipe 2 for storage. During storage, the motor 6 can be rotated to slowly rotate the shaft 11 and the horizontal plate 12, and then the internal crystal material can be slowly moved through the toggle plate 13, the vertical plate 14 and the scraper 15 to avoid adhesion and the like. At the same time, dry gas is introduced through the vent pipe 7 and blown out through the vent hole 10 to dry the stored crystal material. At this time, the vent pipe 4 is in a closed state. As the gas is slowly introduced, the internal pressure continues to increase, and the toggle plate 13, the vertical plate 14 and the scraper 15 can be moved slowly to avoid adhesion and the like. The movable plate 18 generates thrust, and slides the slide bar 20 on the mounting plate 16. The spring 21 is stretched by force to store potential energy. After the movable plate 18 moves to the annular groove 17, the internal gas is discharged, and the internal pressure gradually decreases. Under the action of the potential energy of the spring 21, the slide bar 20 and the movable plate 18 are reset and leave the annular groove 17. The sealing effect can be ensured by cooperating with the sealing ring 19, and then the sealing operation can be performed after ventilation and drying, which can prevent external moisture, impurities, etc. from entering the storage tank 1 through the air vent 4, thereby affecting the storage effect and the purity of the crystal. When it needs to be discharged, it can be discharged and collected through the discharge pipe 3.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A high-purity crystal material storage device, comprising a storage tank (1), characterized in that: The storage tank (1) is provided with a feed pipe (2) on the side wall, a discharge pipe (3) is provided on one side of the bottom end of the storage tank (1), and legs (5) are equidistantly provided at the bottom end of the storage tank (1), an auxiliary mixing component is provided inside the storage tank (1), a ventilation component is provided at the top end of the storage tank (1), exhaust components are equidistantly provided on the side surfaces of the storage tank (1), and a sealing mechanism is provided inside the exhaust component.

2. A high-purity crystal material storage device according to claim 1, characterized in that: The auxiliary mixing assembly comprises a motor (6) arranged at the middle of the top end of the storage tank (1); a rotating shaft (11) is fixedly provided at the output end of the motor (6); the rotating shaft (11) passes through the storage tank (1) and extends to the inside; transverse plates (12) are equidistantly provided on the circumferential side of the rotating shaft (11); and toggling plates (13) are symmetrically provided on the transverse plates (12) at the top and bottom ends.

3. A high-purity crystal material storage device according to claim 2, characterized in that: The auxiliary mixing assembly further comprises a vertical plate (14) arranged at the end of the same end horizontal plate (12), and a scraper (15) matching the inner wall of the storage tank (1) is provided on the vertical plate (14).

4. A high-purity crystal material storage device according to claim 3, characterized in that: The ventilation assembly comprises a ventilation pipe (7) symmetrically arranged on the storage tank (1); a support plate (9) is provided at the top end of the storage tank (1); and ventilation holes (10) are equidistantly provided on the support plate (9).

5. A high-purity crystal material storage device according to claim 4, characterized in that: The exhaust assembly comprises air vents (4) which are arranged at equal distances on the sides of the storage tank (1), and filter screens (8) are arranged inside the air vents (4).

6. A high-purity crystal material storage device according to claim 5, characterized in that: The blocking mechanism comprises a mounting plate (16) fixedly arranged in the air vent tube (4); the mounting plate (16) is provided with a movable plate (18) via a sliding assembly; the movable plate (18) is provided with a sealing ring (19) on the outside thereof which is interference fit with the inner wall of the air vent tube (4); and an annular groove (17) is also provided in the air vent tube (4) above the movable plate (18).

7. A high-purity crystal material storage device according to claim 6, characterized in that: The sliding assembly comprises a sliding rod (20) symmetrically slidably arranged on a mounting plate (16), one end of the sliding rod (20) being fixedly provided with a limit plate (22), and the other end being fixedly connected to the movable plate (18), and the sliding rod (20) being located between the mounting plate (16) and the movable plate (18) and having an outer sleeve provided with a spring (21).

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