Dustproof waste silicon powder collecting and storing device

By introducing a combined structure of sealing shutter plate and dust removal nozzle into the silicon powder storage device, the dust problem during silicon powder is solved and the environmental friendliness of the cleaning process is achieved.

CN223188114UActive Publication Date: 2025-08-05NINGXIA CRYSTAL NEW ENERGY MATERIALS CO LTD
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Patent Information

Application Number
CN202422556738.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-08-05
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

Existing silicon powder storage devices will generate a lot of dust when unloading, resulting in environmental pollution and difficulty in cleaning.

Method used

A dust-proof waste silicon powder collection and storage device is designed, and a combined structure of a sealing gate plate and a dust removal nozzle is adopted. The opening and closing of the sealing gate plate is controlled by driving motors, and a water pump is used to combine water atomization spray with dust to reduce dust generation.

Benefits of technology

It effectively reduces the dust generation during waste silicon powder unloading and improves the environmental friendliness of the storage and cleaning process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dustproof waste silicon powder collection and storage device, which relates to the technical field of silicon powder recovery and comprises a storage box body, a feed port is arranged at the upper end of the storage box body, a support is fixedly mounted on the storage box body, and a discharge chute is arranged at the bottom of the storage box body. The sealing device is characterized in that a sealing mechanism is arranged at the edge of the tail end of the discharging sliding groove, the sealing mechanism comprises a retainer fixedly installed at the upper end of the discharging sliding groove, a threaded lead screw is movably installed on the retainer, a lead screw nut is arranged on the threaded lead screw, a sealing gate plate is fixedly installed on the lead screw nut, and the sealing gate plate is fixedly connected with the discharging sliding groove. A transmission shaft is fixedly installed at the lower end of the threaded lead screw, a first clutch is arranged on the transmission shaft, and a dust removal mechanism is arranged on the discharging sliding groove. According to the dustproof waste silicon powder collecting and storing device, when waste silicon powder is discharged, water can be atomized and sprayed out through the dust removal mechanism, dust generated during discharging is combined with water, and dust is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of silicon powder recovery, in particular to a dust-proof waste silicon powder collecting and storing device. Background Art

[0002] Trichlorosilane is an important raw material for the preparation of silica gel and can be used in the production of silicone sealants, silicone capsules, and other silicone products. In organic synthesis, trichlorosilane is a crucial reagent used in silylation reactions and coupling reactions to synthesize organosilicon compounds such as silanes, silane coupling agents, and siloxanes. These compounds possess unique chemical properties and biological activities and are widely used in pharmaceuticals, pesticides, optoelectronic materials, cosmetics, and other fields. In the pharmaceutical field, trichlorosilane is used in the synthesis of organosilicon compounds, such as the preparation of medical silica gel. Trichlorosilane can be used in the preparation and surface treatment of semiconductor materials. Using it as a silicon source, it can react with hydrogen at high temperatures to produce high-purity polycrystalline or single-crystalline silicon, which is used in the manufacture of semiconductor devices such as integrated circuits and solar cells. Furthermore, it can be used as a specialized cleaning agent in microelectronics manufacturing to remove surface dirt and residues, ensuring the quality and performance of semiconductor devices.

[0003] During the production and use of trichlorosilane, waste silicon powder needs to be collected, stored, and processed. However, existing silicon powder storage devices often have some problems. After the storage device is filled with waste silicon powder, it needs to be discharged through the discharge port for cleaning. When the waste silicon powder is discharged through the discharge port, a large amount of dust is generated. Therefore, a dust-proof waste silicon powder collection and storage device is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a dust-proof waste silicon powder collecting and storing device to solve the problem in the prior art that a large amount of dust is generated when the waste silicon powder is discharged through a discharge port.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust-proof waste silicon powder collection and storage device, comprising a storage box body, a feed port is provided at the upper end of the storage box body, a support bracket is fixedly installed on the storage box body, and a discharge chute is provided at the bottom of the storage box body, characterized in that a sealing mechanism is provided at the end edge of the discharge chute, the sealing mechanism comprises a retaining frame fixedly installed at the upper end of the discharge chute, a threaded screw is movably installed on the retaining frame, a screw nut is provided on the threaded screw, a sealing gate is fixedly installed on the screw nut, a transmission shaft is fixedly installed at the lower end of the threaded screw, and the transmission shaft is provided with a A first clutch, a guide chute is fixedly installed in the unloading chute, a driving motor is fixedly installed on one side of the unloading chute, a driving shaft is provided at the output end of the driving motor, a dust removal mechanism is provided on the unloading chute, the dust removal mechanism includes a dust removal nozzle fixedly installed on the sealing gate plate and a water pump fixedly installed on the other side of the unloading chute, a water storage tank is fixedly installed on the supporting bracket, a connecting pipe is provided between the water storage tank and the water pump, a conveying pipe is provided between the water pump and the dust removal nozzle, and a second clutch is provided on the driving shaft. The first clutch can disconnect the power of the transmission shaft, and the second clutch can disconnect the power of the driving shaft.

[0006] Preferably, the driving shaft and the transmission shaft are both provided with first helical gears, and the two groups of first helical gears are meshed with each other, so that the driving shaft can drive the transmission shaft to rotate.

[0007] Preferably, the output end of the drive motor is provided with a coupling, and the drive shaft is fixed to the output end of the drive motor through the coupling, so that the drive motor can drive the drive shaft to rotate.

[0008] Preferably, the threaded screw is movably mounted at the upper end of the discharge chute through a retaining bracket, and the sealing gate is movably mounted in the discharge chute through a guide chute. A notch is provided at the upper end of the discharge chute, and the sealing gate extends into the discharge chute through the notch.

[0009] Preferably, second helical gears are provided on the end of the drive shaft and the input end of the water pump, and two groups of second helical gears are meshed with each other.

[0010] Preferably, a positioning groove is provided on the sealing gate plate, and the dust removal nozzle is installed on the sealing gate plate through the positioning groove.

[0011] Preferably, one end of the delivery pipeline is connected to the water storage tank, and the other end of the delivery pipeline is connected to the water pump.

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

[0013] 1. In this application, the driving motor can drive the driving shaft to rotate, and the rotating driving shaft will drive the transmission shaft to rotate. After the transmission shaft rotates, it will drive the threaded screw to rotate, thereby driving the screw nut to move up and down. During the up and down movement of the screw nut, the sealing gate can be driven to move up and down, thereby controlling the automatic opening of the sealing gate, so that the waste silicon powder in the storage box can be discharged through the unloading chute.

[0014] 2. In this application, the driving motor can drive the driving shaft to rotate, and after the driving shaft rotates, it will drive the water pump to operate. After the water pump operates, the water in the water storage tank will be pumped into the dust removal nozzle. The water pumped into the dust removal nozzle will be atomized and sprayed out, combining with the dust generated by unloading to reduce dust generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the sealing mechanism of the present utility model;

[0018] Figure 4 This is a schematic diagram of the dust removal mechanism of the present utility model.

[0019] Numbers in the figure: 1. Feed inlet; 2. Storage box; 3. Support bracket; 4. Discharge chute; 5. Sealing mechanism; 501. Retaining frame; 502. Threaded screw; 503. Screw nut; 504. Sealing gate; 505. Guide chute; 506. Drive motor; 507. Drive shaft; 508. Transmission shaft; 509. First clutch; 510. First bevel gear; 6. Dust removal mechanism; 601. Water storage tank; 602. Connecting pipe; 603. Second clutch; 604. Second bevel gear; 605. Water pump; 606. Delivery pipe; 607. Dust removal nozzle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] like Figure 1 and Figure 2As shown, the utility model provides a technical solution for a dust-proof waste silicon powder collection and storage device, including a storage box body 2, a feed port 1 is opened at the upper end of the storage box body 2, a support bracket 3 is fixedly installed on the storage box body 2, a discharge chute 4 is provided at the bottom of the storage box body 2, a sealing mechanism 5 is provided at the end edge of the discharge chute 4, a dust removal mechanism 6 is provided on the discharge chute 4, and the sealing gate 504 on the sealing mechanism 5 can be automatically opened to facilitate the discharge of waste silicon powder in the storage box body 2 through the discharge chute 4, and the dust removal mechanism 6 can atomize and spray out moisture when the waste silicon powder is discharged, so that the dust generated by the discharge is combined with water, thereby reducing the generation of dust.

[0022] like Figure 2 and Figure 3 As shown, the sealing mechanism 5 includes a retaining frame 501 fixedly mounted on the upper end of the discharge chute 4, a threaded screw 502 is movably mounted on the retaining frame 501, a screw nut 503 is provided on the threaded screw 502, a sealing gate 504 is fixedly mounted on the screw nut 503, a transmission shaft 508 is fixedly mounted on the lower end of the threaded screw 502, a first clutch 509 is provided on the transmission shaft 508, a guide chute 505 is fixedly mounted in the discharge chute 4, a drive motor 506 is fixedly mounted on one side of the discharge chute 4, a drive shaft 507 is provided at the output end of the drive motor 506, a first bevel gear 510 is provided on both the drive shaft 507 and the transmission shaft 508, and the two groups of first bevel gears 510 are meshed with each other.

[0023] Specifically, the driving motor 506 can drive the driving shaft 507 to rotate, and the rotating driving shaft 507 will drive the transmission shaft 508 to rotate. After the transmission shaft 508 rotates, it will drive the threaded screw 502 to rotate, thereby driving the screw nut 503 to move up and down. During the up and down movement of the screw nut 503, the sealing gate plate 504 can be driven to move up and down, thereby controlling the sealing gate plate 504 to automatically open, so that the waste silicon powder in the storage box 2 can be discharged through the unloading chute 4.

[0024] like Figure 2 and Figure 4 As shown, the dust removal mechanism 6 includes a dust removal nozzle 607 fixedly mounted on the sealing gate 504 and a water pump 605 fixedly mounted on the other side of the unloading chute 4, a water tank 601 is fixedly mounted on the support bracket 3, a connecting pipe 602 is provided between the water tank 601 and the water pump 605, a conveying pipe 606 is provided between the water pump 605 and the dust removal nozzle 607, a second clutch 603 is provided on the drive shaft 507, and a second bevel gear 604 is provided on the end of the drive shaft 507 and the input end of the water pump 605, and the two sets of second bevel gears 604 are meshed with each other.

[0025] Specifically, the driving motor 506 can drive the driving shaft 507 to rotate, and after the driving shaft 507 rotates, it will drive the water pump 605 to operate. After the water pump 605 operates, it will pump the water in the water tank 601 into the dust removal nozzle 607. The water pumped into the dust removal nozzle 607 will be atomized and sprayed out, combining with the dust generated by unloading, thereby reducing the generation of dust.

[0026] Working principle: When in use, waste silicon powder is transported to the storage box 2 through the feed port 1 for storage. After the storage box 2 is filled with waste silicon powder, it can be discharged through the discharge chute 4. When the waste silicon powder is discharged, the drive motor 506 can be started. After starting the drive motor 506, the first clutch 509 can be controlled to engage. After the first clutch 509 is engaged, the drive shaft 507 will drive the transmission shaft 508 to rotate. After the transmission shaft 508 rotates, it will drive the threaded screw 502 to rotate. After the threaded screw 502 rotates, it will drive the screw nut 503 to move up and down. The screw nut 503 moves up and down. During the process, the sealing gate plate 504 can be driven to move up and down, thereby controlling the sealing gate plate 504 to open automatically, so that the waste silicon powder in the storage box 2 can be discharged through the unloading chute 4, and after the sealing gate plate 504 is opened, the first clutch 509 can be disconnected and the second clutch 603 can be controlled to engage. After the second clutch 603 is engaged, the drive shaft 507 will drive the water pump 605 to operate. After the water pump 605 is running, the water in the water tank 601 will be pumped into the dust removal nozzle 607. The water pumped into the dust removal nozzle 607 will be atomized and sprayed out, combining with the dust generated by unloading to reduce dust generation.

[0027] It will be apparent 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 characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A dust-proof waste silicon powder collection and storage device, comprising a storage box (2), a feed port (1) being provided at the upper end of the storage box (2), a support bracket (3) being fixedly mounted on the storage box (2), and a discharge chute (4) being provided at the bottom of the storage box (2), characterized in that: A sealing mechanism (5) is provided at the end edge of the discharge chute (4), and the sealing mechanism (5) comprises a retaining frame (501) fixedly mounted on the upper end of the discharge chute (4), a threaded screw (502) being movably mounted on the retaining frame (501), a screw nut (503) being provided on the threaded screw (502), a sealing gate (504) being fixedly mounted on the screw nut (503), a transmission shaft (508) being fixedly mounted on the lower end of the threaded screw (502), a first clutch (509) being provided on the transmission shaft (508), a guide chute (505) being fixedly mounted in the discharge chute (4), and a drive shaft (506) being fixedly mounted on one side of the discharge chute (4). A motor (506) is provided, wherein the output end of the drive motor (506) is provided with a drive shaft (507); a dust removal mechanism (6) is provided on the discharge chute (4); the dust removal mechanism (6) comprises a dust removal nozzle (607) fixedly mounted on the sealing gate (504) and a water pump (605) fixedly mounted on the other side of the discharge chute (4); a water storage tank (601) is fixedly mounted on the support bracket (3); a connecting pipe (602) is provided between the water storage tank (601) and the water pump (605); a conveying pipe (606) is provided between the water pump (605) and the dust removal nozzle (607); and a second clutch (603) is provided on the drive shaft (507).

2. The dust-proof waste silicon powder collection and storage device according to claim 1, characterized in that: The driving shaft (507) and the transmission shaft (508) are both provided with first bevel gears (510), and the two groups of first bevel gears (510) are meshed with each other.

3. The dust-proof waste silicon powder collection and storage device according to claim 2, characterized in that: The output end of the drive motor (506) is provided with a coupling, and the drive shaft (507) is fixed to the output end of the drive motor (506) through the coupling.

4. The dust-proof waste silicon powder collection and storage device according to claim 3, characterized in that: The threaded screw (502) is movably mounted on the upper end of the discharge chute (4) through a retaining frame (501), and the sealing gate (504) is movably mounted in the discharge chute (4) through a guide chute (505). A notch is provided at the upper end of the discharge chute (4), and the sealing gate (504) extends into the discharge chute (4) through the notch.

5. The dust-proof waste silicon powder collection and storage device according to claim 4, characterized in that: The end of the drive shaft (507) and the input end of the water pump (605) are both provided with second helical gears (604), and the two sets of second helical gears (604) are meshed with each other.

6. The dust-proof waste silicon powder collection and storage device according to claim 1, characterized in that: A positioning groove is provided on the sealing gate plate (504), and the dust removal nozzle (607) is installed on the sealing gate plate (504) through the positioning groove.

7. The dust-proof waste silicon powder collection and storage device according to claim 1, characterized in that: One end of the delivery pipe (606) is connected to the water storage tank (601), and the other end of the delivery pipe (606) is connected to the water pump (605).