Granular polycrystalline silicon sorting and recycling equipment

By adopting a vibrating screen bed structure with a double-layer folding design in the granular polycrystalline silicon sorting equipment, the problem of uneven particle size caused by single-stage screening is solved, and efficient sorting and recycling of granular polycrystalline silicon is achieved.

CN223571267UActive Publication Date: 2025-11-21INTELLIGENT MFG INST OF HFUT +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422910384.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-11-21
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Existing granular polycrystalline silicon sorting equipment uses a single-stage vibrating screen structure, resulting in uneven particle size and affecting the sorting and recycling effect.

Method used

The vibrating screen bed structure with a double-layer folding design performs multiple screenings through the first and second screening components, and uses the first and second inclined plates to send the material out from different discharge ports, thereby improving the separation efficiency.

Benefits of technology

It achieves full separation of materials with different particle sizes, improves the sorting and recycling effect of granular polycrystalline silicon, and increases material separation efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223571267U_ABST
    Figure CN223571267U_ABST
Patent Text Reader

Abstract

The utility model provides granular polycrystalline silicon sorting and recycling equipment, which comprises a treatment bin, a separation bin, a first separation bin, a second separation bin, a third separation bin and a third separation bin, and is characterized in that the treatment bin comprises a main shell which is provided with a first discharge port, a second discharge port and a third discharge port; the first screening part and the second screening part are arranged in the treatment bin in a folded mode; the first inclined plate and the second inclined plate are arranged below the first screening piece and the second screening piece respectively, and materials slide to the second screening piece from the first screening piece and reach the third discharging port through the second screening piece; materials sorted out in the screening process of the first screening piece and the second screening piece are sent out from the first discharging opening and the second discharging opening correspondingly. According to the utility model, the material accumulation condition is reduced through the blanking area between the first screening part and the second screening part, the material separation efficiency is improved, material particles with different particle sizes can be fully separated, and the material screening requirement is met in a matched manner.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of silicon material crushing treatment, especially relates to a granular polycrystalline silicon sorting and recovery equipment. BACKGROUND

[0002] Granular polycrystalline silicon is uneven in diameter distribution in the crushing process due to the extrusion of equipment, and the sorting treatment of granular polycrystalline silicon is needed according to different subsequent processing, so that different particle size materials can be dispersed and effectively utilized.

[0003] The granular polycrystalline silicon sorting equipment in the prior art mostly adopts a single-stage vibrating screen structure, and the ordinary single-stage vibrating screen cannot well separate granular polycrystalline silicon of different particle sizes due to reasons such as material accumulation when the granular material is put in and short vibrating screening time, resulting in uneven particle size of granular polycrystalline silicon and poor quality, thereby affecting the sorting and recovery effect of granular polycrystalline silicon. UTILITY MODEL CONTENT

[0004] The utility model provides a granular polycrystalline silicon sorting and recovery equipment, which aims to solve the problem that the ordinary single-stage vibrating screen cannot well separate granular polycrystalline silicon of different particle sizes, resulting in uneven particle size of granular polycrystalline silicon and poor quality, thereby affecting the sorting and recovery effect of granular polycrystalline silicon.

[0005] The utility model is implemented in the following manner, a granular polycrystalline silicon sorting and recovery equipment, comprising:

[0006] A treatment bin, the treatment bin comprises a main shell, and the main shell is provided with a first discharge port, a second discharge port and a third discharge port;

[0007] A first screening member and a second screening member are arranged in the treatment bin in a folded manner;

[0008] A first inclined plate and a second inclined plate are arranged below the first screening member and the second screening member, respectively, the material to be treated falls from the first screening member to the second screening member, and then reaches the third discharge port via the second screening member; the first inclined plate and the second inclined plate respectively send the sorted material from the first screening member and the second screening member during the screening process out of the first discharge port and the second discharge port, respectively.

[0009] Preferably, the first discharge port and the second discharge port are located on the same end face of the treatment bin.

[0010] Preferably, the first screening member comprises a first screening surface, a first frame and a first guide plate, the first frame is arranged on the end face of the first guide plate away from the first inclined plate, and the first screening surface is arranged on the first guide plate.

[0011] Preferably, one end of the first inclined plate is connected with the main shell, and the other end is spaced from the main shell to form a material falling area, the end of the first guide plate extends to the material falling area, and the end of the second screening member away from the third discharge port also extends to the material falling area.

[0012] Preferably, a first discharge conveying belt is arranged below the third discharge port.

[0013] Preferably, the second screening member comprises a second screening surface, a second frame and a second guide plate; the second frame is arranged on the end surface of the second guide plate away from the second inclined plate, and the second screening surface is arranged on the second guide plate.

[0014] Preferably, the first inclined plate and the second inclined plate are arranged to be inclined to the horizontal plane.

[0015] Preferably, a baffle plate is arranged on the side of the first inclined plate close to the material falling area.

[0016] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0017] The granular polysilicon sorting and recycling equipment provided by the utility model adopts the structural principle of the vibrating type sieve bed for screening materials through the first screening member and the second screening member, and the folding design mode is used to construct the material falling area between the first screening member and the second screening member, so that the accumulation condition is reduced, the multiple screening treatment effect of the first screening member and the second screening member on the materials is improved, the separation efficiency of the materials is improved, different particle size materials can be fully separated, and the material screening requirement is met. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of a granular polysilicon sorting and recycling equipment provided by the utility model.

[0019] Figure 2 is a structural schematic view of a granular polysilicon sorting and recycling equipment provided by the utility model.

[0020] Figure 3 is a structural schematic view of a granular polysilicon sorting and recycling equipment provided by the utility model.

[0021] Figure 4 is a structural schematic view of a granular polysilicon sorting and recycling equipment provided by the utility model.

[0022] Figure 5 is a structural schematic view of a granular polysilicon sorting and recycling equipment provided by the utility model.

[0023] Figure 6 Figure 2 is a second screening member and second inclined plate structure schematic view of the granular polycrystalline silicon sorting and recycling equipment provided by the present application.

[0024] Mark explanation:

[0025] 100, processing bin; 101, main shell; 102, support; 110, first discharge conveyor; 120, second discharge conveyor; 130, first discharge port; 140, second discharge port; 150, feed port; 160, third discharge port;

[0026] 210, first inclined plate; 220, second inclined plate;

[0027] 310, first screening member; 311, first screening surface; 312, first frame; 313, first guide plate; 320, second screening member; 321, second screening surface; 322, second frame; 323, second guide plate. DETAILED DESCRIPTION

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the description and the drawings are to be regarded as illustrative in nature and are not intended to limit the application; the terminology used in the description and the claims of the present application, as well as the above-listed appended drawings, is intended to be interpreted in accordance with the broadest possible interpretation of the terms in order to encompass the claimed subject matter without limiting the present application; the terms "comprising," "having," "including," and "containing" used in the present description and the claims are used to mean including but not limited to, and are not intended to exclude or to otherwise be construed as being synonymous to the term "consisting only of."

[0029] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiment, or to a single alternative embodiment. It is explicitly contemplated that embodiments described herein can be combined with each other.

[0030] The embodiments of the present application provide a granular polycrystalline silicon sorting and recycling equipment, as shown in Figures 1-6 The granular polycrystalline silicon sorting and recycling equipment comprises:

[0031] The processing bin 100 comprises a main shell 101, wherein a first discharge port 130, a second discharge port 140, a feeding port 150 and a third discharge port 160 are arranged on the main shell 101; a first discharge conveying belt 110 is arranged below the third discharge port 160; the first discharge port 130 and the second discharge port 140 are located on the same end face of the processing bin 100; a second discharge conveying belt 120 is arranged below the first discharge port 130 and the second discharge port 140;

[0032] The first screening member 310 and the second screening member 320 are folded and arranged in the processing bin 100; a first inclined plate 210 is arranged below the first screening member 310; a second inclined plate 220 is arranged below the second screening member 320; the first inclined plate 210 is in communication with the first discharge port 130; the second inclined plate 220 is in communication with the second discharge port 140;

[0033] After the material to be processed enters the processing bin 100 from the feeding port 150, the material falls from the first screening member 310 to the second screening member 320, and then reaches the third discharge port 160 via the second screening member 320; the first inclined plate 210 and the second inclined plate 220 respectively send the materials separated during the screening of the first screening member 310 and the second screening member 320 from the first discharge port 130 and the second discharge port 140 out of the processing bin 100; the second discharge conveying belt 120 collects and outputs the materials sent out from the first discharge port 130 and the second discharge port 140; and the first discharge conveying belt 110 collects and processes the materials subjected to twice screening;

[0034] In the embodiment, the first screening member 310 and the second screening member 320 adopt the structural principle of a vibrating sieve bed to screen the materials; the first screening member 310 and the second screening member 320 are designed to be folded to screen the materials multiple times; a material falling area is arranged between the first screening member 310 and the second screening member 320 to allow the materials subjected to once screening to fall naturally again, so that the materials can be distributed again on the second screening member 320, and then subjected to twice screening by the second screening member 320, thereby improving the separation efficiency of the materials and allowing the materials with different particle sizes to be separated sufficiently to meet the requirements of material screening;

[0035] As a preferred embodiment in the embodiment, the first screening member 310 comprises a first screening surface 311, a first frame 312 and a first guide plate 313; the first frame 312 is arranged on the end face of the first guide plate 313 away from the first inclined plate 210; and the first screening surface 311 is arranged on the first guide plate 313;

[0036] The first inclined plate 210 is connected to the main shell 101 at one end and spaced from the main shell 101 at the other end to form a material falling area, the end of the first material guide plate 313 extends to the material falling area, the second screening member 320 extends to the material falling area away from the one end of the third discharge port 160, and the material on the first material guide plate 313 falls from the material falling area to the second screening member 320; the side of the first inclined plate 210 close to the material falling area is provided with a baffle to prevent the material on the first inclined plate 210 from sliding to the material falling area.

[0037] The second screening member 320 comprises a second screening surface 321, a second frame 322 and a second material guide plate 323; the second frame 322 is arranged on the end surface of the second material guide plate 323 away from the second inclined plate 220, and the second screening surface 321 is arranged on the second material guide plate 323.

[0038] In the embodiment, the first inclined plate 210 and the second inclined plate 220 are arranged to be inclined to the horizontal plane, and the material passing through the first screening surface 311 and the second screening surface 321 flows along the first inclined plate 210 and the second inclined plate 220 to the first discharge port 130 and the second discharge port 140 respectively to complete the separation of the material;

[0039] As a preferred embodiment in the embodiment, the hole diameters of the screen holes on the first screening surface 311 and the second screening surface 321 are the same, and the first screening surface 311 and the second screening surface 321 can be used for multiple screening to allow the small particle material in the material to be output from the first discharge port 130 and the second discharge port 140 and sent out by the second discharge conveyor belt 120;

[0040] As a preferred embodiment in the embodiment, the hole diameter of the screen hole on the first screening surface 311 is smaller than the hole diameter of the screen hole on the second screening surface 321, and the first screening member 310 and the second screening member 320 can separate the materials with different diameters;

[0041] Meanwhile, different conveyor belts are arranged below the first discharge port 130 and the second discharge port 140 to receive and collect, and the different materials screened by the first screening member 310 and the second screening member 320 are sent out from the first discharge port 130 and the second discharge port 140 and sorted by the different conveyor belts;

[0042] It should be noted that, for the foregoing embodiments, in order to simply describe, they are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited by the described action sequence, because according to the present application, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the present application.

[0043] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Obviously, the described examples are only some of the embodiments of the present application, but not all the embodiments. Based on these examples, all other embodiments obtained by those skilled in the art without creative work belong to the scope to be protected by the present application. Although the present application has been described in detail with reference to the above examples, those skilled in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative work, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope to be protected by the present application.

Claims

1. A granular polycrystalline silicon sorting and recycling device, characterized in that, include: The processing chamber (100) includes a main shell (101), which is provided with a first discharge port (130), a second discharge port (140) and a third discharge port (160). The first screening component (310) and the second screening component (320) are folded and arranged inside the processing chamber (100); The first inclined plate (210) and the second inclined plate (220) are respectively located below the first screening component (310) and the second screening component (320). The material to be processed slides from the first screening component (310) to the second screening component (320) and reaches the third discharge port (160) through the second screening component (320). The first inclined plate (210) and the second inclined plate (220) respectively send the material separated by the screening process of the first screening component (310) and the second screening component (320) out from the first discharge port (130) and the second discharge port (140).

2. The granular polycrystalline silicon sorting and recycling equipment as described in claim 1, characterized in that, The first discharge port (130) and the second discharge port (140) are located on the same end face of the processing chamber (100).

3. The granular polycrystalline silicon sorting and recycling equipment as described in claim 2, characterized in that, The first screening component (310) includes a first screening surface (311), a first frame (312) and a first guide plate (313). The first frame (312) is disposed on the end face of the first guide plate (313) away from the first inclined plate (210), and the first screening surface (311) is disposed on the first guide plate (313).

4. The granular polycrystalline silicon sorting and recycling equipment as described in claim 3, characterized in that, One end of the first inclined plate (210) is connected to the main shell (101), and the other end is distributed with the main shell (101) at intervals to form a material dropping area. The end of the first guide plate (313) extends to the material dropping area. The end of the second screening component (320) away from the third discharge port (160) also extends to the material dropping area. The material on the first guide plate (313) falls from the material dropping area onto the second screening component (320).

5. The granular polycrystalline silicon sorting and recycling equipment as described in claim 4, characterized in that, The first discharge conveyor belt (110) is provided below the third discharge port (160).

6. The granular polycrystalline silicon sorting and recycling equipment as described in claim 5, characterized in that, The second screening component (320) includes a second screening surface (321), a second frame (322), and a second guide plate (323); the second frame (322) is disposed on the end face of the second guide plate (323) away from the second inclined plate (220), and the second screening surface (321) is disposed on the second guide plate (323).

7. The granular polycrystalline silicon sorting and recycling equipment as described in claim 6, characterized in that, The first inclined plate (210) and the second inclined plate (220) are arranged at an angle to the horizontal plane.

8. The granular polycrystalline silicon sorting and recycling equipment as described in claim 7, characterized in that, The first inclined plate (210) has a baffle on the side near the material dropping area.