Silica ore screening device

Abstract

The utility model discloses a silicon ore screening device which is characterized in that at least two obliquely arranged screens are arranged in a screening device main body in parallel, meshes of the screens are sequentially reduced from top to bottom, a ventilation screen plate is arranged at one end, close to a feeding port, of the screening device main body, the ventilation screen plate is connected with an air inlet pipeline, and the air inlet pipeline is connected with the screening device main body. The air inlet pipeline is connected with an external hot air generator, discharging ports connected with the screen are formed in the end, away from the feeding port, of the screening device body, the directions of the discharging ports are different, a dust collection pipeline is arranged on the bottom face, close to the discharging ports, of the screening device body, and the bottom of the screening device body is connected with a spring set. According to the multi-stage screening device, conventional multi-stage screening is achieved, vibration screening is carried out on the whole device, the discharging and screening efficiency is improved, classification treatment is facilitated, adhesion of silicon powder can be reduced, and the maintenance frequency is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of silicon ore screening, and particularly relates to a silicon ore screening device. Background Technique

[0002] Silicon ore generally contains dust impurities and crushed stone impurities containing other metals. The weights of the dust impurities and the crushed stone impurities containing other metals vary greatly. When removing impurities, the two types of impurities cannot be removed simultaneously. To improve the quality of the smelted silicon, the impurities need to be removed completely. To remove various impurities completely, the silicon ore needs to be screened multiple times, which is time-consuming and laborious.

[0003] To improve the screening efficiency of silicon ore, a device for screening through multi-stage filtration and screening is proposed. At the same time, to reduce the adhesion of silicon powder inside, hot air is blown, which can effectively reduce the maintenance frequency and improve the screening efficiency of silicon ore. Content of the Utility Model

[0004] To solve the problems existing in the prior art, the utility model provides a silicon ore screening device that can achieve conventional multi-stage screening, and the whole device performs vibrating screening, improving the feeding and screening efficiency, facilitating classification treatment, reducing the adhesion of silicon powder, and reducing the maintenance frequency.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a silicon ore screening device, including a screening device main body. One end of the top of the screening device main body is provided with a feeding port. Inside the screening device main body, there is an inclined screen. The screens are arranged in parallel, and there are at least two screens. The mesh holes of the screens gradually decrease from top to bottom. One end of the screening device main body close to the feeding port is provided with a ventilation mesh plate. The ventilation mesh plate is connected to an air inlet pipe. The air inlet pipe is connected to an external hot air generator. One end of the screening device main body far from the feeding port is provided with a discharge port connected to the screen. The directions of the discharge ports are different. The bottom surface of the screening device main body close to the discharge port is provided with a dust suction pipe. The bottom of the screening device main body is connected to a spring group. The bottom surface of the screening device main body is connected to a vibration motor.

[0006] Preferably, the distance between adjacent spring groups is between 50 - 70 cm.

[0007] Preferably, the inclination angle of the screen does not exceed 12°.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] Inside the device, a screen with meshes decreasing successively from top to bottom and arranged in parallel is provided to achieve conventional multi-stage screening. The whole device performs vibrating screening, vibrating through a spring group and a vibrating motor to improve the feeding and screening efficiency. Moreover, the directions of the discharge ports are different, facilitating classification treatment. The external hot air generator blows hot air into the device through the air inlet pipe, which can reduce the adhesion of silicon powder and lower the maintenance frequency. Description of the Drawings

[0010] Figure 1 It is a schematic structural diagram of the present utility model.

[0011] Figure 2 It is a schematic top view structural diagram of the main body of the screening device and the discharge port of the present utility model.

[0012] In the figure: 1 main body of the screening device, 2 feed inlet, 3 discharge port, 4 air inlet pipe, 5 ventilation net plate, 6 spring group, 7 screen, 8 dust suction pipe, 9 vibrating motor. Detailed Implementation Manner

[0013] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0014] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. Embodiment

[0015] See the appendix Figure 1-2As shown in the figure, a silicon ore screening device includes a screening device main body 1. One end of the top of the screening device main body 1 is provided with a feed inlet 2. Inside the screening device main body 1, an inclined screen 7 is provided. The screens 7 are arranged in parallel, and there are at least two screens 7. The mesh holes of the screens 7 decrease sequentially from top to bottom. One end of the screening device main body 1 close to the feed inlet 2 is provided with a ventilation mesh plate 5. The ventilation mesh plate 5 is connected to an air inlet pipe 4. The air inlet pipe 4 is connected to an external hot air generator. One end of the screening device main body 1 away from the feed inlet 2 is provided with a discharge outlet 3 connected to the screen 7. The directions of the discharge outlets 3 are different. A dust suction pipe 8 is provided on the bottom surface of the screening device main body 1 close to the discharge outlet 3. The bottom of the screening device main body 1 is connected to a spring group 6. The bottom surface of the screening device main body 1 is connected to a vibration motor 9.

[0016] Preferably, the distance between adjacent spring groups 6 is between 50 - 70 cm.

[0017] Preferably, the inclination angle of the screen 7 does not exceed 12°.

[0018] Working principle: By arranging the screens 7 with mesh holes decreasing sequentially from top to bottom and arranged in parallel inside the device, conventional multi-stage screening is realized, and the whole device performs vibration screening. Vibration is carried out through the spring group 6 and the vibration motor 9 to improve the feeding and screening efficiency. Moreover, the directions of the discharge outlets 3 are different, which is convenient for classification processing. The external hot air generator sprays hot air into the equipment through the air inlet pipe 4, which can reduce the adhesion of silicon powder, reduce the maintenance frequency, further improve the production efficiency of the equipment, and improve the applicability of the device.

[0019] The above shows and describes the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention, and any reference signs in the claims should not be regarded as limiting the claims involved.

[0020] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard 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 ore screening device, comprising a screening device main body, one end of the top of the screening device main body is provided with a feed inlet, and it is characterized in that: Inside the main body of the screening device, there is an inclined screen. The screens are arranged in parallel, and there are at least two screens. The mesh holes of the screens gradually decrease from top to bottom. At one end of the main body of the screening device close to the feed inlet, there is a ventilation mesh plate. The ventilation mesh plate is connected to an air inlet pipe, and the air inlet pipe is connected to an external hot air generator. At one end of the main body of the screening device away from the feed inlet, there is a discharge port connected to the screen, and the directions of the discharge ports are different. At the bottom surface of the main body of the screening device close to the discharge port, there is a dust suction pipe. The bottom of the main body of the screening device is connected to a spring group, and the bottom surface of the main body of the screening device is connected to a vibration motor.

2. The screening device for silicon ore according to claim 1, wherein: The distance between adjacent spring groups is between 50 - 70 cm.

3. The silicon ore screening device according to claim 1, wherein: The inclination angle of the screen does not exceed 12°.

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