Silicon material anti-escape device for particle silicon surface dust removal equipment
By designing a guide cylinder and sieve plate structure in the dust removal equipment for particulate silicon, the problem of particulate silicon escape was solved, thereby improving product yield and reducing economic losses.
Patent Information
- Application Number
- CN202423057358.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing dust removal equipment for particulate silicon surfaces lacks escape devices, resulting in the removal of fine silicon particles, causing economic losses and reduced product yield.
Design a silicon material escape prevention device including a guide cylinder, flange, sieve plate and retaining ring. The sieve plate is provided with annular sieve holes and through holes to reduce the escape of silicon particles during dust removal.
It effectively reduces the number of fine silicon particles escaping during the production of granular silicon, increases product yield, reduces downstream processing load, lowers the risk of blockage, and improves production line stability and economic benefits.
Smart Images
Figure CN223555696U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of polysilicon, specifically is a silicon material anti-escape device for granular silicon surface dust removal equipment. BACKGROUND
[0002] With the vigorous development of photovoltaic solar energy, the demand for polysilicon raw materials has increased sharply, and granular silicon is favored by the market due to its low cost and high quality, and the technical route has obvious advantages compared with the traditional Siemens process route. In order to further reduce the cost of granular silicon, it is crucial to greatly improve the granular silicon product yield of the dust removal equipment while dust removal, which can not only greatly improve the product yield but also greatly reduce the production cost. At the same time, granular silicon surface dust removal is a very important process in granular silicon production process, and is also a key process to ensure the downstream application of granular silicon, which cannot be replaced.
[0003] However, the existing granular silicon surface dust removal equipment does not add the escape device, and the fine granular silicon carried away by the silicon-containing waste gas can only be downgraded and taken away in the form of by-product. Every production of 1 ton of granular silicon, the escaped granular silicon reaches 1.5%-3%, totaling 45kg-90kg. According to the calculation of a silicon material factory with an annual output of 100,000 tons of granular silicon, the downgraded granular silicon is 1500t-3000t per year, resulting in an economic loss of more than 30 million yuan. No solution has been proposed for the related technical problems. SUMMARY
[0004] In view of the problems in the related art, the utility model provides a silicon material anti-escape device for granular silicon surface dust removal equipment to overcome the above technical problems existing in the prior art. The purpose of the utility model is to reduce the number of silicon particles escaping with waste gas during the dust removal process of polysilicon particles, reduce the loss, greatly increase the product yield, and achieve obvious economic benefits.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a silicon material anti-escape device for granular silicon surface dust removal equipment, including a guide cylinder, a flange is installed on one side of the guide cylinder, a sieve plate is installed on the other side of the guide cylinder, a snap ring is connected to one side of the sieve plate close to the guide cylinder, a clamping groove matched with the snap ring is arranged on one side of the guide cylinder close to the sieve plate, a plurality of sieve holes are formed in the sieve plate, the plurality of sieve holes are arranged in an annular structure, and a through hole is formed in the center of the sieve hole.
[0006] Preferably, a groove is opened on the outer surface of one end of the guide cylinder, and a sand blocking ring is arranged in the groove.
[0007] Preferably, the sieve holes are arranged in a fan-shaped structure.
[0008] Preferably, the sieve holes are arranged in a rectangular structure.
[0009] Preferably, the outer surface of the screen plate is also provided with V-shaped grooves.
[0010] Preferably, the guide cylinder, flange, screen plate and snap ring are all made of metal material.
[0011] Preferably, the screen plate and the snap ring are integrated.
[0012] Compared with the prior art, the beneficial effects of the present application are:
[0013] The utility model discloses a kind of silicon material anti-escape devices for granular silicon surface dust removal equipment, effectively reduce the number of small silicon particles escape in the production process of granular silicon, can greatly increase the yield of granular silicon product, increase economic value and reduce the load of downstream silicon-containing tail gas treatment, reduce the risk of blockage, improve the stability of production line, reduce operation and maintenance cost. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the overall structural schematic diagram of the utility model;
[0015] Figure 2 It is the A part enlarged structural schematic diagram of Figure 1
[0016] Figure 3 It is the structural schematic diagram of screen plate of the utility model;
[0017] Figure 4 It is the structural schematic diagram of side view of the utility model.
[0018] Signs in drawing: 1, guide cylinder;2, flange;3, screen plate;4, snap ring;5, clamping groove;6, screen hole;7, through hole;8, sand blocking ring;9, V-shaped groove. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.
[0020] Embodiment
[0021] Please refer to Figures 1-4 The utility model provides a technical scheme of silicon material anti-escape device for granular silicon surface dust removal equipment, a silicon material anti-escape device for granular silicon surface dust removal equipment, including guide cylinder 1, the one side of guide cylinder 1 is installed with flange 2, specifically, flange 2 plays the role of installation, the other side of guide cylinder 1 is installed with sieve plate 3, specifically, sieve plate 3 can reduce the number of silicon particles escaping with waste gas in the dust removal process of polysilicon particles, reduces the loss, and greatly increases product yield, the one side of sieve plate 3 close to guide cylinder 1 is connected with snap ring 4, the one side of guide cylinder 1 close to sieve plate 3 is provided with the clamping groove 5 matched with snap ring 4, specifically, snap ring 4 and clamping groove 5 cooperate, realize that sieve plate 3 and guide cylinder 1 installation is convenient to disassemble, a plurality of sieve holes 6 are set up on sieve plate 3, specifically, the shape of sieve hole 6 is diversified, a plurality of sieve holes 6 are arranged in annular structure, and through hole 7 is set up at the center of sieve hole 6.
[0022] In the embodiment, the flange 2 is fixed to the outlet end of the dust removal equipment containing silicon gas, and the sieve plate 3 is located at the outlet end cover of the dust removal equipment.
[0023] Please refer to Figure 2 Further, the outer surface of one end of the guide cylinder 1 is provided with a groove, and the inner part of the groove is provided with a sand blocking ring 8.
[0024] In the embodiment, the sand blocking ring 8 is used to prevent the outward flow of sand, soil and other particulate matters.
[0025] Please refer to Figure 3 Further, the sieve hole 6 is arranged in a fan-shaped structure.
[0026] In the embodiment, the sieve hole 6 is arranged in five and arranged in an annular structure.
[0027] Please refer to Figure 4 Further, the sieve hole 6 is arranged in a rectangular structure.
[0028] Please refer to Figure 2 Further, the outer surface of the sieve plate 3 is also provided with a V-shaped groove 9.
[0029] In the embodiment, the V-shaped groove 9 is deep into the barrel, which is convenient for installation.
[0030] Further, the guide cylinder 1, the flange 2, the sieve plate 3 and the snap ring 4 are all made of metal materials.
[0031] Please refer to Figure 2 Further, the sieve plate 3 and the snap ring 4 are in an integrated structure.
[0032] The utility model discloses in actual use process, can effectively reduce the quantity of fine silicon particle escape in the production process of granular silicon, can greatly increase the yield of granular silicon product, increase economic value and reduce the load of downstream silicon-containing tail gas treatment, reduce the risk of blockage, improve the stability of production line, reduce the operation and maintenance cost.
[0033] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0034] In the utility model, unless otherwise expressly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication or interaction relationship of two elements inside, unless otherwise expressly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning in the utility model by the ordinary skill in the art according to the specific situation.
[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A device for preventing silicon material escape in a dust removal equipment for particulate silicon surfaces, characterized in that, Includes a guide cylinder (1), a flange (2) is installed on one side of the guide cylinder (1), a sieve plate (3) is installed on the other side of the guide cylinder (1), a retaining ring (4) is connected to the side of the sieve plate (3) near the guide cylinder (1), a retaining groove (5) matching the retaining ring (4) is provided on the side of the guide cylinder (1) near the sieve plate (3), a plurality of sieve holes (6) are provided on the sieve plate (3), the plurality of sieve holes (6) are arranged in a ring structure, and a through hole (7) is provided at the center of the sieve hole (6).
2. The silicon material escape prevention device for a dust removal equipment on the surface of particulate silicon according to claim 1, characterized in that: The outer surface of one end of the guide cylinder (1) has a groove, and a sand-blocking ring (8) is provided inside the groove.
3. The silicon material escape prevention device for a dust removal equipment on the surface of particulate silicon according to claim 1, characterized in that: The sieve holes (6) are arranged in a fan-shaped structure.
4. The silicon material escape prevention device for a dust removal equipment on the surface of particulate silicon according to claim 1, characterized in that: The sieve holes (6) are arranged in a rectangular structure.
5. The silicon material escape prevention device for a dust removal equipment on the surface of particulate silicon according to claim 1, characterized in that: The outer surface of the sieve plate (3) is also provided with a V-shaped groove (9).
6. The silicon material escape prevention device for a dust removal equipment for particulate silicon surfaces according to claim 1, characterized in that: The guide cylinder (1), flange (2), sieve plate (3) and retaining ring (4) are all made of metal.
7. The silicon material escape prevention device for a dust removal equipment for particulate silicon surfaces according to claim 1, characterized in that: The sieve plate (3) and the retaining ring (4) are an integrated structure.