Silicon carbide micro-powder screening equipment
By using high-frequency vibration driven by a vibrating motor and a multi-layer screen design, combined with nozzle-injected gas, the problems of low efficiency, low precision, and adhesion and clogging in traditional silicon carbide micro powder screening equipment have been solved, achieving a highly efficient and stable screening process.
Patent Information
- Application Number
- CN202520327234.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Traditional silicon carbide micro powder screening equipment has low screening efficiency and insufficient precision, complex equipment structure, high maintenance costs, and is prone to micro powder adhesion and clogging problems during the screening process.
It adopts a high-frequency vibration driven by a vibration motor and a multi-layer screen design, combined with high-pressure gas injection from nozzles to achieve efficient screening and prevent adhesion. The screen material is stainless steel or polyester fiber, and the aperture is adjustable.
It improves screening efficiency and accuracy, prevents micro-powder adhesion and clogging, ensures the continuity and stability of the screening process, and adapts to the production needs of different particle sizes and scales.
Smart Images

Figure CN223931915U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of screening technology, and in particular relates to a silicon carbide micro powder screening device. Background Technology
[0002] Silicon carbide micro powder is an important industrial material widely used in abrasives, refractory materials, electronic devices, and other fields. Screening is a crucial step in the production of silicon carbide micro powder, used to remove impurities and classify particle sizes to meet the quality requirements of different applications.
[0003] Currently, traditional screening equipment faces numerous problems when processing silicon carbide micron powder. For example, screening efficiency is low, making it difficult to meet the needs of large-scale production; screening precision is insufficient, resulting in uneven particle size distribution; the equipment structure is complex, leading to high maintenance costs; and problems such as micron powder adhesion and screen clogging easily occur during the screening process, affecting screening results and the normal operation of the equipment. Therefore, there is an urgent need for a high-efficiency, precise, and stable silicon carbide micron powder screening device to improve production efficiency and product quality. Utility Model Content
[0004] To address the problems existing in the prior art, this utility model provides a silicon carbide micro powder screening device that is highly efficient in screening, prevents adhesion, has a simple structure, and is highly applicable.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a silicon carbide micro powder screening device, including a screening box, the bottom of the screening box is connected to a set of vibrating motors through an elastic support member, the top and bottom of the screening box are respectively provided with a feed inlet and a discharge outlet, the screening box is provided with a set of screens inside, and the sides of the screens are respectively connected to collection pipes.
[0006] Preferably, the screen comprises multiple layers of screens, with the aperture of each layer decreasing from top to bottom, and the screen material is stainless steel or polyester fiber.
[0007] Preferably, the screening box is equipped with a set of nozzles, and the nozzles are connected to the outside of the screening box through an air supply pipe.
[0008] Compared with the prior art, the beneficial effects of this utility model are:
[0009] 1. Through the high-frequency vibration generated by the vibration device and the multi-layer screen design of the screen assembly, silicon carbide micro powder can be quickly and accurately classified and screened, greatly improving the screening efficiency and accuracy.
[0010] 2. It effectively solves the problem of silicon carbide micro powder easily adhering to and clogging the screen during the screening process, ensuring the continuity and stability of the screening process.
[0011] 3. The aperture and number of layers of the screen can be flexibly adjusted according to different particle size requirements and production scale to meet various silicon carbide micro powder screening needs. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model.
[0013] In the diagram: 1. Screening box, 2. Feed inlet, 3. Discharge outlet, 4. Elastic support, 5. Vibrating motor, 6. Screen, 7. Collection pipe, 8. Air supply pipe, 9. Nozzle. Detailed Implementation
[0014] 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, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0015] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Example
[0016] See appendix Figure 1 As shown, a silicon carbide micro powder screening device includes a screening box 1. The bottom of the screening box 1 is connected to a set of vibration motors 5 through an elastic support member 4. The top and bottom of the screening box 1 are respectively provided with a feed inlet 2 and a discharge outlet 3. The screening box 1 is provided with a set of screens 6 inside, and the sides of the screens 6 are respectively connected to collection pipes 7.
[0017] Preferably, the screen 3 comprises multiple layers of screens, with the aperture of each layer decreasing from top to bottom, and the screen material being stainless steel or polyester fiber.
[0018] Preferably, the screening box 1 is provided with a set of nozzles 9 inside, and the nozzles 9 are connected to the outside of the screening box through the air supply pipe 8.
[0019] Working principle: The vibration motor 9 starts, causing the screening box 1 to vibrate at high frequency. The micro powder is screened on the screen 11. Through the high frequency vibration generated by the vibration motor and the multi-layer screen design of the screen assembly, silicon carbide micro powder can be quickly and accurately classified and screened, which greatly improves the screening efficiency and accuracy. The nozzle periodically sprays high-pressure gas downwards, which solves the problem of silicon carbide micro powder easily adhering to and clogging the screen during the screening process, ensuring the continuity and stability of the screening process. The screened micro powder is discharged from different discharge ports 8 according to the particle size. The aperture and number of layers of the screen can be flexibly adjusted to meet the screening needs of various silicon carbide micro powders.
[0020] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model, and no reference numerals in the claims should be construed as limiting the scope of the claims.
[0021] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A silicon carbide micro powder sieving device, comprising a sieving box, characterized in that: The bottom of the screening box is connected to a set of vibrating motors via an elastic support member. The top and bottom of the screening box are respectively provided with a feed inlet and a discharge outlet. Inside the screening box is a set of screens, and the sides of the screens are respectively connected to collection pipes.
2. The silicon carbide micro powder sieving equipment according to claim 1, characterized in that: The screen comprises multiple layers, with the aperture of each layer decreasing from top to bottom, and the screen material is stainless steel or polyester fiber.
3. The silicon carbide micro powder sieving equipment according to claim 1, characterized in that: The screening box is equipped with a set of nozzles, which are connected to the outside of the screening box through an air supply pipe.