一种工业硅原料筛分压球再利用装置

Abstract

本实用新型公开了一种工业硅原料筛分压球再利用装置，包括用于存储原料的原料仓，以及连接于所述原料仓出料端的输送皮带；还包括筛分单元、混合单元、压球单元和返料单元；所述筛分单元包括筛分机，所述筛分机的进料端承接所述输送皮带输送的原料；本实用新型，原料从原料仓排出后，经输送皮带输送至筛分机，筛分机将细颗粒筛下物与符合入炉粒度的筛上物分离，筛上物进入输料仓为炉膛供给原料；细颗粒筛下物则经缓冲仓一暂存、定量给料机精准送料后，进入轮碾机，与粘合剂仓提供的粘合剂、定量给水组件输送的水充分混合，后续经压球、返料流程，使易损失的细颗粒原料以柱状颗粒物形式返回炉膛参与反应，避免了细颗粒原料的浪费。

Claims

1. An industrial silicon raw material screening ball reusing device, comprising a raw material bin (1) for storing raw material, and a conveying belt (2) connected to the discharge end of the raw material bin (1); characterized in that: It also includes a screening unit, a mixing unit, a briquetting unit, and a return unit; The screening unit includes a screening machine (3), the feed end of which receives the raw material conveyed by the conveyor belt (2), the undersize discharge end of the screening machine (3) is connected to a buffer bin (4), the lower end of the buffer bin (4) is provided with a quantitative feeder (5), the oversize discharge end of the screening machine (3) is connected to the conveying bin (14) of the industrial silicon furnace, and the conveying bin (14) is used to supply raw materials to the furnace (15). The mixing unit includes a roller mill (8), the discharge end of the metering feeder (5) is connected to the raw material feed end of the roller mill (8), the roller mill (8) is also connected to an adhesive bin (6) for providing adhesive, and a metering water supply assembly (7). The briquetting unit includes a pellet mill (11), and the discharge end of the roller mill (8) is connected to a buffer chamber two (9). The lower end of the buffer chamber two (9) is provided with a quantitative screw feeder (10), and the discharge end of the quantitative screw feeder (10) is connected to the feed end of the pellet mill (11). The return unit includes a buffer chamber three (12), the discharge end of the pellet mill (11) is connected to the feed end of the buffer chamber three (12), and the lower end of the buffer chamber three (12) is provided with a discharge valve (13), which is used to transport the material to the furnace chamber (15) of the industrial silicon furnace.

2. The industrial silicon raw material screening and ball reusing device according to claim 1, characterized in that: The quantitative water supply component (7) includes a water supply pipeline (71) connected to the roller mill (8), and a flow meter (72) is installed on the water supply pipeline (71).

3. The industrial silicon raw material screening and ball reusing device according to claim 1, characterized in that: The adhesive bin (6) is provided with a quantitative feeding structure (61) at the discharge end for controlling the amount of adhesive dispensed.

4. The industrial silicon raw material screening and ball reusing device according to claim 1, characterized in that: The pellet mill (11) extrudes the mixture into columnar particles, and the discharge end of the pellet mill (11) is connected to the buffer chamber three (12) through a buffer chute.

5. The industrial silicon raw material screening and ball reusing device according to claim 1, characterized in that: The buffer chamber 3 (12) is located on one side of the furnace door of the industrial silicon furnace, and a receiving cart (16) is provided below the discharge end of the discharge valve (13). The receiving cart (16) is used to transfer particulate matter to the furnace chamber (15).

6. The industrial silicon raw material screening and ball reusing device according to claim 1, characterized in that: The screen aperture size of the screening machine (3) is adapted to screen the fine particles undersize material to be used for subsequent mixing and briquetting.

7. The industrial silicon raw material screening and ball reusing device according to claim 1, characterized in that: The conveyor belt (2) is located below the discharge end of the raw material silo (1) and is used to transport the raw material to the feed end of the screening machine (3).

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