CN217569622U

CN217569622U - Vibrating screening plant of silica flour processing

Info

Publication number: CN217569622U
Application number: CN202221488208.9U
Authority: CN
Inventors: 舒东
Original assignee: Sichuan Jinchen New Material Technology Co ltd
Current assignee: Sichuan Jinchen New Material Technology Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-10-14
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a vibrating screening device for silicon powder processing, which relates to the field of silicon powder impurity separation and comprises a screening cylinder, wherein a screening screen plate is arranged in a hollow cavity of the screening cylinder, a sliding table which is obliquely connected with the inner wall of the hollow cavity of the screening cylinder is arranged below the screening screen plate, a channel pipe for silicon powder falling from the screening screen plate to pass through is arranged at the side wall end of an oblique low point of the sliding table, and one end of the channel pipe, which is far away from the sliding table, passes through the screening cylinder; the bottom of screening otter board is connected with the connecting axle, the connecting axle is kept away from the mobilizable slip table that passes of one end of screening otter board, and the end is connected with vibrating motor. The device can separate the great adulterant of granule that dopes in the silica flour, improves the purity of silica flour, and the device design convenient to use simultaneously can also improve the efficiency of screening, economical and practical.

Description

Vibrating screening plant of silica flour processing

Technical Field

The utility model relates to a silica flour impurity separation field specifically is a vibrating screening plant of silica flour processing.

Background

Industrial silicon, also known as metalloid silicon, is a chemical raw material and is a trade name appearing in the mid-sixties of this century. The metallic silicon is a product smelted by silica and carbonaceous reducing agent in a submerged arc furnace, the content of a main component silicon element is about 98 percent (in recent years, the silicon containing 99.99 percent is also listed in the metallic silicon), and the rest impurities are iron, aluminum, calcium and the like. The applications of the products are classified into various specifications; the additional products of the quasi-metal silicon comprise micro silicon powder, edge skin silicon, black skin silicon, metal silicon slag and the like, wherein the micro silicon powder is also called as silica fume and is widely applied to the industries of refractory materials and concrete. The industrial silicon is used for producing organic silicon such as silicon rubber, silicon resin, silicon oil and the like in the chemical industry, and the silicon rubber has good elasticity and high temperature resistance and is used for manufacturing medical supplies, high temperature resistant gaskets and the like. The silicone resin is used for producing insulating paint, high-temperature coating and the like. The silicone oil is an oily matter, the viscosity of which is slightly influenced by temperature, and is used for producing high-grade lubricants, glazing agents, fluid springs, dielectric liquids and the like, and can also be processed into colorless and transparent liquid which is used as a high-grade waterproof agent to be sprayed on the surface of a building. The industrial silicon is purified by a series of processes to generate polycrystalline silicon and monocrystalline silicon for the photovoltaic industry and the electronic industry. The crystalline silicon battery is mainly applied to solar roof power stations, commercial power stations and urban power stations with high land cost, is the most mature and widely applied solar photovoltaic product in the prior art, occupies more than 80% of the world photovoltaic market, and has obvious demand acceleration on metallic silicon. Modern large scale integrated circuits are almost all made of high purity metalloid silicon, and the high purity metalloid silicon is also a main raw material for producing optical fibers, so that the metalloid silicon has become a fundamental industry of the information age. Because industrial silicon prepared by industrial processing is generally powdery and is doped with some impurities with larger particles, in order to separate the impurities with larger particles and improve the purity of the silicon powder, so as to be convenient for reprocessing the silicon powder, the vibrating screening device for separating the larger particles of the silicon powder is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vibrating screening plant of silica flour processing, the device can separate the great adulterant of the granule of doping in the silica flour, improves the purity of silica flour, and the device designs convenient to use simultaneously, can also improve the efficiency of screening, economical and practical.

The purpose of the utility model is realized through the following technical scheme:

a vibrating screening device for silicon powder processing comprises a screening barrel, wherein a screening screen plate is arranged in a hollow cavity of the screening barrel, a sliding table obliquely connected with the inner wall of the hollow cavity of the screening barrel is arranged below the screening screen plate, a channel pipe for silicon powder falling from the screening screen plate to pass through is arranged at the side wall end of an oblique low point of the sliding table, and one end, far away from the sliding table, of the channel pipe penetrates through the screening barrel;

the bottom of screening otter board is connected with the connecting axle, the connecting axle is kept away from the mobilizable slip table that passes of one end of screening otter board, and the end is connected with vibrating motor.

Preferably, the bottom end of the screening cylinder is connected with a bottom plate, a base is arranged below the screening cylinder, the base is arranged in a hollow manner, and the bottom plate is connected with the base through an elastic structure;

the vibrating motor is arranged in the hollow cavity of the base, one end of the connecting shaft is connected with an output shaft of the vibrating motor, the other end of the connecting shaft movably penetrates through the base and the bottom plate at the bottom end of the screening cylinder, and the movable sliding table penetrates through the base and is connected with the screening net plate.

Preferably, the elastic structures are uniformly distributed between the bottom plate and the base;

elastic structure all includes the loose axle, the one end and the bottom plate of loose axle are connected, the other end of loose axle is connected with the clamp, the activity hole has been seted up on the top of base, the clamp is used for the card on the activity hole, carries on spacingly to the loose axle.

Preferably, the movable shaft is respectively sleeved with a spring, one end of the spring is connected with the bottom plate, and the other end of the spring is connected with the base.

Preferably, the bottom end of the base is connected with a rotating platform for driving the base to rotate, and the other end of the rotating platform is used for being connected with the ground;

the outer wall connection of revolving stage has the backup pad, set up the equipartition all around of backup pad and be provided with a plurality of cylinders, the one end that the backup pad was kept away from to the cylinder is used for supporting the base.

Preferably, the upper part of the outer wall of the sieving barrel is provided with an inlet channel for silicon powder to pass through, one end of the inlet channel penetrates through the sieving barrel, and the outlet of the inlet channel is arranged above the sieving screen plate.

Preferably, a sleeve is arranged between the screening net plate and the sliding table, the sleeve is movably sleeved on the connecting shaft, and one end of the sleeve is connected with the sliding table.

Preferably, a movable cover which can be separated from the sieving cylinder and is used for preventing the silicon powder from spilling out of the sieving cylinder is arranged at the top end of the sieving cylinder.

The beneficial effects of the utility model are that: the device is used for separating out the adulterant with larger particles in the processed and prepared silicon powder, and improving the purity of the silicon powder so as to be convenient for reprocessing of the next procedure of the silicon powder. The device comprises a screening barrel, a screening screen plate is arranged in a hollow cavity of the screening barrel, a sliding table which is obliquely connected with the inner wall of the hollow cavity of the screening barrel is arranged below the screening screen plate, a channel pipe for silicon powder falling from the screening screen plate to pass through is arranged at the side wall end of an oblique low point of the sliding table, and one end of the channel pipe, far away from the sliding table, penetrates through the screening barrel; a screening otter board for separating silica flour that contains adulterant falls on the device's screening otter board, screening otter board bottom is connected with the connecting axle, the connecting axle is kept away from the mobilizable slip table that passes of one end of screening otter board, and the end is connected with vibrating motor, start through vibrating motor, drive the vibration of screening otter board in the hollow cavity of screening section of thick bamboo, and then let the less silica flour of granule fall into on the slip table from the screening otter board, and set up the channel pipe along the lateral wall end of slip table slope low point and fall out, collect in unison, so that carry out reprocessing to its silica flour, and the great adulterant of granule has then been left on the screening otter board in the silica flour, after treating this silica flour separation purification of batching, it can to sieve adulterant on the otter board. From the device on the whole, the device can separate the great adulterant of granule that mixes in the silica flour, improves the purity of silica flour, and the device designs convenient to use simultaneously, can also improve the efficiency of screening, economical and practical.

Drawings

Fig. 1 is a schematic structural view of a vibrating type screening device for processing silicon powder according to the present invention;

FIG. 2 is an exploded view of the vibrating type sieving device for processing silicon powder according to the present invention;

fig. 3 is a schematic view of a connection structure of a sieving cylinder of the vibrating sieving device for processing silicon powder of the present invention;

FIG. 4 is a schematic view showing the explosion of the connecting structure of the sieving cylinder of the vibrating sieving device for processing silicon powder according to the present invention;

fig. 5 is a schematic view of a base connection structure of the vibrating type screening device for processing silicon powder of the present invention;

fig. 6 is an exploded view of a portion of a base connection structure of a vibrating type screening device for silicon powder processing according to the present invention;

in the figure, 1-screening cylinder, 2-screening screen plate, 3-sliding table, 4-vibration motor, 5-base, 6-rotating table, 7-movable cover, 11-channel tube, 12-movable shaft, 13-inlet channel, 31-sleeve, 41-connecting shaft, 61-supporting plate, 62-cylinder, 121-clamp and 122-spring.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention. It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one of 8230, and" comprising "does not exclude the presence of additional like elements in a process, method, article, or apparatus comprising the element.

As shown in fig. 1 to 6, a vibrating type screening device for processing silicon powder comprises a screening cylinder 1, a screening mesh plate 2 is arranged in a hollow cavity of the screening cylinder 1, a sliding table 3 obliquely connected with the inner wall of the hollow cavity of the screening cylinder 1 is arranged below the screening mesh plate 2, a channel pipe 11 for passing silicon powder falling from the screening mesh plate 2 is arranged at the side wall end of an oblique low point of the sliding table 3, and one end of the channel pipe 11 far away from the sliding table 3 passes through the screening cylinder 1; the bottom of screening otter board 2 is connected with connecting axle 41, and the one end mobilizable slip table 3 that passes of screening otter board 2 is kept away from to connecting axle 41, and the end is connected with vibrating motor 4.

The device is used for separating out the adulterant with larger particles in the processed and prepared silicon powder, and improving the purity of the silicon powder so as to be convenient for reprocessing of the next procedure of the silicon powder. The device comprises a screening barrel 1 in design, a screening screen plate 2 is arranged in a hollow cavity of the screening barrel 1, a sliding table 3 which is obliquely connected with the inner wall of the hollow cavity of the screening barrel 1 is arranged below the screening screen plate 2, a channel pipe 11 for silicon powder falling from the screening screen plate 2 to pass through is arranged at the side wall end of an oblique low point of the sliding table 3, and one end, far away from the sliding table 3, of the channel pipe 11 penetrates through the screening barrel 1; a screening otter board 2 for separating silica flour that contains the adulterant on falling the device, 2 bottom ends of screening otter board are connected with connecting axle 41, connecting axle 41 keeps away from the mobilizable slip table 3 that passes of one end of screening otter board 2, and the end is connected with vibrating motor 4, start through vibrating motor 4, drive the vibration of screening otter board 2 in the hollow cavity of screening section of thick bamboo 1, and then let the less silica flour of granule fall into on the slip table 3 from screening otter board 2, and set up the passageway pipe 11 along the lateral wall end of 3 slope low points of slip table and fall out, collect in unison, so that carry out reprocessing to its silica flour, and the great adulterant of granule in the silica flour has then been left on screening otter board 2, after waiting to purify this batch silica flour separation, it can to take out the adulterant on the screening otter 2.

Further, when the device is used for separating and purifying larger particles in silicon powder, the silicon powder needing to be separated and purified, namely the silicon powder containing the dopant, is fed into the device for vibration screening. In order to realize that the silicon powder containing the dopant enters the sieving mesh plate 2 arranged in the sieving cylinder 1 of the device, an inlet channel 13 for the silicon powder containing the dopant to pass through is arranged at the upper part of the outer wall of the sieving cylinder 1 of the device, one end of the inlet channel 13 penetrates through the sieving cylinder 1, and the outlet of the inlet channel 13 is arranged above the sieving mesh plate 2; the silicon powder containing the dopant falls onto the sieving mesh plate 2 from the inlet channel 13 by communicating the inlet channel 13 with an external connecting pipeline into which the silicon powder containing the dopant is introduced; in addition, in order to prevent the silicon powder from spilling out of the screening cylinder 1, a movable cover 7 which can be separated from the screening cylinder 1 and is used for preventing the silicon powder from spilling out of the screening cylinder 1 is arranged at the top end of the screening cylinder 1; the movable cover 7 is used for preventing the silicon powder from being scattered, and when the adulterant with larger particles on the screening net plate 2 needs to be taken out, the movable cover 7 is moved to take out the adulterant on the screening net plate 2. In the implementation process, the amount of the silicon powder containing the dopant entering the screening mesh plate 2 is controlled, and meanwhile, the screening mesh plate 2 is started to vibrate, so that the dopant with larger particles and the silicon powder are separated and purified. In order to realize the vibration of the screening net plate 2, the bottom end of the screening net plate 2 is connected with a connecting shaft 41, one end, far away from the screening net plate 2, of the connecting shaft 41 movably penetrates through the sliding table 3, and the end head of the connecting shaft is connected with a vibration motor 4; meanwhile, the bottom end of the screening cylinder 1 is connected with a bottom plate, a base 5 is arranged below the screening cylinder 1, the base 5 is arranged in a hollow manner, and the bottom plate is connected with the base 5 through an elastic structure; the vibrating motor 4 is arranged in a hollow cavity of the base 5, one end of the connecting shaft 41 is connected with an output shaft of the vibrating motor 4, the other end of the connecting shaft 41 movably penetrates through the base 5 and a bottom plate at the bottom end of the screening cylinder 1, and the movable penetrating sliding table 3 is connected with the screening net plate 2; the vibrating motor 4 is controlled to be started through starting, the connecting shaft 41 connected with the output shaft of the vibrating motor 4 is driven by the vibrating motor 4 to drive the sieving screen plate 2 connected with the other end of the connecting shaft 41 to vibrate at a certain frequency, so that the small-particle silicon powder and the large-particle adulterant of the sieving screen plate 2 are separated, the small-particle silicon powder falls into the obliquely arranged sliding table 3 from the sieving screen plate 2, then the channel pipe 11 connected with the side wall of the inclined low point of the sliding table 3 falls down, the uniform collection is carried out, the silicon powder is processed again, the silicon powder is scattered in the gap of the channel through which the connecting shaft 41 and the sliding table 3 penetrate in order to reduce the silicon powder, a sleeve 31 is arranged between the sieving screen plate 2 and the sliding table 3, the sleeve 31 is movably sleeved on the connecting shaft 41, and one end of the sleeve 31 is connected with the sliding table 3. In this embodiment, the vibration motor 4 used is realized by the prior art, and is not described in detail herein.

Furthermore, when the silicon powder containing the dopant is subjected to vibration screening, in order to ensure that the device can be normally and smoothly implemented, a base 5 is arranged below a bottom plate connected with the bottom end of a screening cylinder 1 of the device and the screening cylinder 1, and the bottom plate and the screening cylinder are connected through an elastic structure, so that certain mobility of the bottom plate and the screening cylinder can be kept, and the service life is prolonged; in the specific design, a plurality of elastic structures are uniformly distributed between the bottom plate and the base 5; the elastic structures all comprise movable shafts 12, one ends of the movable shafts 12 are connected with the bottom plate, the other ends of the movable shafts 12 are connected with clamps 121, movable holes are formed in the top end of the base, and the clamps 121 are used for being clamped on the movable holes to limit the movable shafts 12; moreover, the movable shaft 12 is respectively sleeved with a spring 122, one end of the spring 122 is connected with the bottom plate, and the other end of the spring 122 is connected with the base 5. Like this, when vibrating motor 4 vibratory screening, can let base 5 and screening section of thick bamboo 1 keep certain activity, increase its life of using. Meanwhile, the bottom end of a base 5 of the device is connected with a rotating platform 6 for driving the base 5 to rotate, and the other end of the rotating platform 6 is connected with the ground; the outer wall of the rotating platform 6 is connected with a supporting plate 61, a plurality of columns 62 are uniformly distributed around the supporting plate 61, and one ends of the columns 62 far away from the supporting plate 61 are used for supporting the base 5; therefore, the angle position of the device can be adjusted according to actual needs, different external pipelines can be connected conveniently, the time for installing and connecting the adjusting device is saved, and the use efficiency of the adjusting device is improved. In practice, the rotary table 6 used is also realizable in the prior art and is not described in detail here. From the global design, from the device on the whole, the device can separate the great adulterant of granule that mixes in the silica flour, improves the purity of silica flour, and the device design convenient to use can also improve the efficiency of screening simultaneously, economical and practical.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the embodiments in the above description, and the technical concept of the present invention can be within the scope of the present invention, and can be modified to various simple modifications, and these simple modifications all belong to the protection scope of the present invention. It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features. In addition, the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the present invention should be included in the protection scope of the present invention, and simultaneously, the present invention can be combined arbitrarily between various different embodiments, as long as it does not violate the idea of the present invention, and it should be regarded as the content disclosed by the present invention.

Claims

1. The vibrating type screening device for silicon powder processing is characterized by comprising a screening barrel (1), wherein a screening screen plate (2) is arranged in a hollow cavity of the screening barrel (1), a sliding table (3) which is obliquely connected with the inner wall of the hollow cavity of the screening barrel (1) is arranged below the screening screen plate (2), a channel pipe (11) for silicon powder falling from the screening screen plate (2) to pass through is arranged at the side wall end of an oblique low point of the sliding table (3), and one end, far away from the sliding table (3), of the channel pipe (11) penetrates through the screening barrel (1);

the bottom of screening otter board (2) is connected with connecting axle (41), connecting axle (41) are kept away from the mobilizable slip table (3) of passing of one end of screening otter board (2), and the end is connected with vibrating motor (4).

2. The vibrating screening device for silicon powder processing according to claim 1, wherein a bottom plate is connected to the bottom end of the screening cylinder (1), a base (5) is arranged below the screening cylinder (1), the base (5) is arranged in a hollow manner, and the bottom plate is connected with the base (5) through an elastic structure;

vibrating motor (4) are laid in the hollow cavity of base (5), the one end of connecting axle (41) and the output shaft of vibrating motor (4), the bottom plate activity of the other end of connecting axle (41) from base (5) and the bottom of screening section of thick bamboo (1) is passed, and the activity pass slip table (3) and sieve otter board (2) and be connected.

3. The vibrating screening device for silicon powder processing according to claim 2, wherein a plurality of the elastic structures are uniformly arranged between the bottom plate and the base (5);

elastic structure all includes loose axle (12), the one end and the bottom plate of loose axle (12) are connected, the other end of loose axle (12) is connected with clamp (121), the activity hole has been seted up on the top of base, clamp (121) are used for the card on the activity hole, carry on spacingly to loose axle (12).

4. The vibrating screening device for silicon powder processing according to claim 3, wherein springs (122) are respectively sleeved on the movable shafts (12), one ends of the springs (122) are connected with the bottom plate, and the other ends of the springs (122) are connected with the base (5).

5. The vibrating type screening device for silicon powder processing according to claim 2, wherein a rotating platform (6) for driving the base (5) to rotate is connected to the bottom end of the base (5), and the other end of the rotating platform (6) is connected to the ground;

the outer wall connection of revolving stage (6) has backup pad (61), set up the equipartition all around of backup pad (61) and be provided with a plurality of cylinders (62), the one end that backup pad (61) were kept away from in cylinder (62) is used for supporting base (5).

6. The vibrating screening device for silicon powder processing according to claim 1, wherein an inlet channel (13) for containing silicon powder is arranged at the upper part of the outer wall of the screening cylinder (1), one end of the inlet channel (13) penetrates through the screening cylinder (1), and the outlet of the inlet channel (13) is arranged above the screening mesh plate (2).

7. The vibrating screening device for silicon powder processing according to claim 1, wherein a sleeve (31) is arranged between the screening mesh plate (2) and the sliding table (3), the sleeve (31) is movably sleeved on the connecting shaft (41), and one end of the sleeve (31) is connected with the sliding table (3).

8. A vibrating screening device for silicon powder processing according to claim 1, characterized in that the top end of the screening cylinder (1) is provided with a movable cover (7) which can be separated from the screening cylinder (1) and is used for preventing silicon powder from spilling out of the screening cylinder (1).