CN217473746U

CN217473746U - Bar-shaped polycrystalline silicon material crushing and separating device

Info

Publication number: CN217473746U
Application number: CN202221555651.3U
Authority: CN
Inventors: 丁华伟; 马世刚; 王苏俊; 季建波; 马红鸣; 任杰; 任娟
Original assignee: Xinjiang Xixixin New Energy Material Technology Co ltd
Current assignee: Xinjiang Xixixin New Energy Material Technology Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-09-23
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a bar-shaped polycrystalline silicon material crushing and separating device, which comprises a crushing table component, a crushing table component and a separating device, wherein the crushing table component is used for crushing bar-shaped polycrystalline silicon and separating blocky polycrystalline silicon and polycrystalline silicon particles; the vibrating screen assembly is connected with the crushing table assembly and is used for screening the polycrystalline silicon particles separated in the crushing process of the crushing table assembly to obtain polycrystalline silicon particles with different particle sizes; the dust collection assembly is respectively connected with the crushing table assembly and the vibrating screen assembly through pipelines and is used for collecting silicon powder generated in the crushing process and the vibrating screen process. The device can produce integral type, many specifications, pollution-free, high-purity polycrystalline silicon material, cuts rodlike polycrystalline silicon and places on the broken mesa, and the operation personnel use the quartering hammer to carry out the breakage, and the normal bagging-off of silicon material more than phi 10mm after the breakage carries out vibration screening after 0-10mm silicon granule material passes through the circle and shakes the sieve equipment, and the screen cloth according to different specifications carries out the discharge of classifying, and the dust gets into dust pelletizing system during, avoids personnel to inhale the dust.

Description

Bar-shaped polycrystalline silicon material crushing and separating device

Technical Field

The utility model belongs to polycrystalline silicon preparation field, concretely relates to broken separator of bar polycrystalline silicon material.

Background

The rod-shaped polycrystalline silicon produced by the improved Siemens method cannot meet the direct use of downstream customers, and can meet the requirements of the customers only by being crushed into blocky or granular polycrystalline silicon. At present, the method is widely applied to a polysilicon factory and is a rimless guard plate crushing table, operators pick and sort lump materials with the diameter of more than 10mm as normal materials after crushing, the operators take silicon particles with the diameter of 3-10mm as graphite-free silicon particles by visual inspection on the crushing table, and the rest 0-3mm is sold as silicon powder. The silicon slag splashes and the dust is easy to raise in the crushing process, and the silicon slag splashes and falls on the ground to form a non-washing-free material in the crushing process, so that personal injury is caused to operators, the washing-free rate of the polycrystalline silicon of a company is reduced, and the overall benefit of the company is influenced. In addition, a large amount of dust generated in the crushing process is easy to raise, and occupational diseases such as pneumoconiosis and the like are formed after the dust is inhaled by operating personnel for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, provide an integral type, many specifications, pollution-free bar-shaped polycrystalline silicon material broken separation device.

In order to realize the purpose, the utility model discloses the technical scheme who takes as follows:

the utility model provides a broken separator of bar polycrystalline silicon material, includes broken platform subassembly, reciprocating sieve subassembly and dirt subassembly, the below of broken platform subassembly sets up the reciprocating sieve subassembly, the dirt subassembly passes through the pipe connection with broken platform subassembly and reciprocating sieve subassembly respectively.

Specifically, the crushing table assembly is provided with a crushing table, and frame type polyurethane baffles are further arranged on the periphery of the crushing table.

Furthermore, a polyurethane box body is further arranged on the crushing table, and sieve holes with the diameter of 10mm are reserved in the inner lining of the polyurethane box body.

Furthermore, a polyurethane box which is obliquely arranged is arranged below the polyurethane box body, and a silicon material collecting hopper is arranged below the polyurethane box.

Further, the polyurethane box lateral wall is equipped with a plurality of dust absorption mouths, the dust absorption mouth is connected each other through the main pipe that sets up in broken platform, the main pipe is connected to dust collection assembly through the auxiliary pipe.

Specifically, the top of reciprocating sieve subassembly is equipped with DN50 dust removal interface, the bottom of reciprocating sieve subassembly is equipped with silicon material discharge gate, silicon material discharge gate is equipped with polyurethane material receiving box, polyurethane material receiving box top is equipped with bottom dust removal interface, DN50 dust removal interface and dust removal interface pass through the pipe connection to dust collection component.

Further, the reciprocating sieve component comprises at least two layers of screens, and a dust removal opening is formed between the screens.

Specifically, the dust collection assembly comprises a cyclone funnel filter, a silicon powder collector and an EPC dust removal unit; the cyclone funnel filter is respectively connected with the DN50 dust removal interface and the dust removal interface through a dust collection system feed inlet; an air outlet at the top of the cyclone funnel filter is connected to an EPC dust removal unit through a pipeline, and fine powder enters the EPC dust removal unit through the air outlet and is further filtered by a cloth bag.

Specifically, the auxiliary pipe is connected to the EPC dust removal unit, and a valve is arranged on the auxiliary pipe; the EPC dust removal unit is provided with a cloth bag dust removal device.

Further, still include the dust arrester support, the whirlwind funnel filter is located the dust arrester support top, and the silicon powder collector is located the dust arrester support bottom.

Has the advantages that:

after the three-in-one baffle is adopted by the crushing table of the device, most of silicon materials crushed by operating personnel can not splash to the ground, and the injury of personnel is reduced; meanwhile, the floor material is reduced, and the washing-free rate is improved; a dust removal system is arranged on the side surface of the polyurethane frame of the crushing table, so that a large amount of dust is prevented from being sucked by an operator in the operation process; the silicon particles are sieved by adopting circular vibration sieving echelons according to different specifications, large silicon particles with the diameter of 0-10mm in the polyurethane box pass through a silicon material collecting hopper and enter a first-floor circular vibrating sieve from a pipeline through the gravity and the suction force of a dust removal unit, and an integrated full-automatic mode is realized.

Drawings

These and/or other advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings and the following detailed description.

FIG. 1 is a schematic view of the overall structure of the rod-shaped polycrystalline silicon material crushing and separating device.

Wherein each reference numeral represents:

1, a silicon material feeding hole; 2, a first discharge hole; a 3 phi 8mm screen mesh; 4, a second discharge hole; a 5 phi 3mm screen; 6 a third discharge hole; 7 phi 2mm screen mesh; 8, a fourth discharge hole; a 9 phi 1mm screen; 10 a spring support; 11DN50 dust removal interface; 12 bottom dust removal interface; 13 a dust collection system inlet; 14 air outlet; 15 a cyclone funnel filter; 16 a dust collector holder; 17, a silicon powder collector; 18 a shaker base; 19 a polyurethane receiver; 20 wheels; 21 a crushing table; 22 a main tube; 23 dust suction ports; 24 phi 10mm sieve pores; 25 polyurethane boxes; 26 a polyurethane tank; 27 frame polyurethane baffles; 28, a silicon material collecting hopper; 29EPC dust removal unit; 30 pairs of tubes.

Detailed Description

The invention will be better understood from the following examples.

The drawings in the specification show the structure, ratio, size, etc. only for the purpose of matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and not for the purpose of limiting the present invention, so the present invention does not have the essential meaning in the art, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "front", "rear", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

As shown in fig. 1, the rod-like polycrystalline silicon material crushing and separating device includes: the crushing table component is used for crushing the rod-shaped polycrystalline silicon and separating blocky polycrystalline silicon and polycrystalline silicon particles; the vibrating screen assembly is connected with the crushing table assembly and is used for screening the polycrystalline silicon particles separated in the crushing process of the crushing table assembly to obtain polycrystalline silicon particles with different particle sizes; the dust collection assembly is respectively connected with the crushing table assembly and the vibrating screen assembly through pipelines and is used for collecting silicon powder generated in the crushing process and the vibrating screen process.

Wherein the crushing table assembly comprises a crushing table 21, a polyurethane box 26 and a polyurethane box 25. Three sides of the crushing table 21 are isolated by frame type polyurethane baffles 27, so that splashing of silicon materials during the crushing process of an operator is effectively reduced; the bottom is provided with wheels 20 which can be moved as required. A polyurethane box 26 is located within the crushing table 21 and lined with a 10mm mesh 24. A polyurethane box 25 is located at the bottom of the polyurethane box 26 for receiving polysilicon particles falling from the phi 10mm sieve 24. The operator works on the surface of the polyurethane box body, the rod-shaped polycrystalline silicon material is crushed, the washing-free material with the diameter larger than 10mm is filled into a packaging bag, and silicon grains with the diameter smaller than or equal to 10mm fall into the polyurethane box 25 from the sieve pores. The polyurethane box 25 is arranged obliquely, and a silicon material collecting hopper 28 is arranged below the polyurethane box 25 and used for receiving polycrystalline silicon particles rolled down from the polyurethane box 25. The bottom discharge port of the silicon material collecting hopper 28 is connected to the vibrating screen assembly, and the collected polysilicon particles are fed into the vibrating screen assembly for screening.

The side wall of the polyurethane box 25 is provided with a dust suction port 23, the dust suction ports 23 are connected with each other through a main pipe 22 arranged in the crushing table 21, the main pipe 22 is connected to a dust collecting component through an auxiliary pipe 30, and suspended silicon powder dust in the polyurethane box 25 is sent into the dust collecting component.

The shaker assembly is a closed box structure including an internally disposed screen, shaker base 18, and spring support 10. The screen mesh sequentially comprises a phi 8mm screen mesh 3, a phi 3mm screen mesh 5, a phi 2mm screen mesh 7 and a phi 1mm screen mesh 9 from top to bottom. The side of each layer of screen cloth is provided with a corresponding silicon material discharge port which is a first discharge port 2, a second discharge port 4, a third discharge port 6 and a fourth discharge port 8 from top to bottom in sequence. The top of the vibrating screen component is connected with a discharge hole at the bottom of the crushing table component through a silicon material feed inlet 1.

The top one side of reciprocating sieve subassembly is equipped with DN50 dust removal interface 11, and the silicon material discharge gate department of lower floor is equipped with polyurethane material receiving box 19, and polyurethane material receiving box 19 top is equipped with bottom dust removal interface 12, and DN50 dust removal interface 11 and bottom dust removal interface 12 together are connected to the dust collection component through the pipeline, send into the dust collection component with the silica flour dust of suspension in the reciprocating sieve subassembly in. In addition, the discharge port of each layer may be connected to the EPC dust collector set 29 through a dust removal pipe for further filtration.

The dust collection assembly includes a cyclone funnel filter 15, a dust collector holder 16, a silicon powder collector 17, and an EPC dust collector group 29. The cyclone funnel filter 15 is positioned at the top of the dust collector bracket 16, and the silicon powder collector 17 is positioned at the bottom of the dust collector bracket 16; cyclone funnel filter 15 is connected with DN50 dust removal interface 11 and dust removal interface 12 respectively through dust collecting system feed inlet 13, inhales the silica powder dust in broken platform subassembly and the reciprocating sieve subassembly into cyclone funnel filter 15 and separates, and the coarse particle falls into silica powder collector 17, and the farine is further the sack filtration through connecting the EPC dust removal unit 29 on cyclone funnel filter 15 top air outlet 14. The auxiliary pipe 30 and the air outlet 14 are connected in parallel and then connected to the EPC dust removal unit 29, and valves for adjusting suction force are respectively arranged on the feeding port 13 and the auxiliary pipe 30 of the dust collection system. A large amount of suspended silicon powder enters the unit and is filtered through the cloth bag type, gas reaching the standard is directly emptied, the filtered silicon powder enters the silicon powder collector, an operator regularly cleans the dust removal system three times a day, the cleaned silicon powder is sold according to graphite-containing silicon powder with the diameter of 0-1mm, the silicon material is separated to the maximum degree, and the company benefit is increased.

The device can produce the integral type, many specifications, it is pollution-free, high-purity polycrystalline silicon material, cut rod-like polycrystalline silicon and place on the broken mesa, the operation personnel use the quartering hammer to carry out the breakage, the normal bagging-off of silicon material more than the broken back phi 10mm, 0-10mm silicon grain material is vibrated and is sieved after sieving the equipment through the circle, the screen cloth according to different specifications carries out the categorised ejection of compact, satisfy different customers to the demand of silicon material size, the dust gets into dust pelletizing system during, avoid personnel to inhale the dust.

The utility model provides a thought and method of stick polycrystalline silicon material crushing and separating device, the method and the way that specifically realize this technical scheme are many, above only the preferred embodiment of the utility model discloses, it should point out, to the ordinary technical personnel of this technical field, do not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as with moist decorations the utility model discloses a scope of protection. All the components not specified in the present embodiment can be realized by the prior art.

Claims

1. The utility model provides a broken separator of bar polycrystalline silicon material which characterized in that, includes broken platform subassembly, reciprocating sieve subassembly and collection dirt subassembly, the below of broken platform subassembly sets up the reciprocating sieve subassembly, the collection dirt subassembly passes through the pipe connection with broken platform subassembly and reciprocating sieve subassembly respectively.

2. The rod-shaped polycrystalline silicon material crushing and separating device according to claim 1, wherein the crushing table assembly is provided with a crushing table (21), and a frame type polyurethane baffle plate (27) is further arranged on the periphery of the crushing table (21).

3. The rod-shaped polycrystalline silicon material crushing and separating device according to claim 2, wherein a polyurethane box body (26) is further arranged on the crushing table (21), and the inside of the polyurethane box body (26) is provided with a sieve hole (24) with the diameter of 10 mm.

4. The rod-shaped polycrystalline silicon material crushing and separating device according to claim 3, wherein a polyurethane box (25) is obliquely arranged below the polyurethane box body (26), and a silicon material collecting hopper (28) is arranged below the polyurethane box (25).

5. The rod-shaped polysilicon material crushing and separating device according to claim 4, wherein the side wall of the polyurethane box (25) is provided with a plurality of dust suction ports (23), the dust suction ports (23) are connected with each other through a main pipe (22) provided in the crushing table (21), and the main pipe (22) is connected to a dust collecting assembly through a sub pipe (30).

6. The crushing and separating device of rod-shaped polycrystalline silicon materials as claimed in claim 5, wherein the top of the vibrating screen component is provided with a DN50 dust removing interface (11), the bottom of the vibrating screen component is provided with a silicon material discharging port, the silicon material discharging port is provided with a polyurethane material receiving box (19), the top of the polyurethane material receiving box (19) is provided with a bottom dust removing interface (12), and the DN50 dust removing interface (11) and the bottom dust removing interface (12) are connected to the dust collecting component through pipelines.

7. The rod-shaped polycrystalline silicon material crushing and separating device according to claim 6, wherein the vibrating screen assembly comprises at least two layers of screens arranged inside, and a dust removing opening is formed between the screens.

8. The apparatus for breaking and separating the polycrystalline silicon rod-shaped material according to claim 7, wherein the dust collecting assembly comprises a cyclone funnel filter (15), a silicon powder collector (17) and an EPC dust removing unit (29); the cyclone funnel filter (15) is respectively connected with the DN50 dust removal interface (11) and the bottom dust removal interface (12) through a dust collection system feed inlet (13); and the air outlet (14) at the top of the cyclone funnel filter (15) is connected to an EPC dust removal unit (29) through a pipeline.

9. The crushing and separating device for the rod-shaped polycrystalline silicon material according to claim 8, wherein the auxiliary pipe (30) is connected to an EPC dust removal unit (29), and a valve is arranged on the auxiliary pipe (30); the EPC dust removal unit (29) is provided with a bag dust removal device.

10. The rod-shaped polysilicon material crushing and separating device according to claim 8, further comprising a dust collector holder (16), wherein the cyclone funnel filter (15) is positioned at the top of the dust collector holder (16), and the silicon powder collector (17) is positioned at the bottom of the dust collector holder (16).