CN111940114A - Polycrystalline silicon lump material crusher - Google Patents
Polycrystalline silicon lump material crusher Download PDFInfo
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- CN111940114A CN111940114A CN202010969472.3A CN202010969472A CN111940114A CN 111940114 A CN111940114 A CN 111940114A CN 202010969472 A CN202010969472 A CN 202010969472A CN 111940114 A CN111940114 A CN 111940114A
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- polycrystalline silicon
- box body
- packaging bag
- screen
- silicon lump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/06—Methods of, or means for, filling the material into the containers or receptacles by gravity flow
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Silicon Compounds (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a polycrystalline silicon lump material crusher, which belongs to the field of polycrystalline silicon production and comprises a box body and a screen arranged in the box body, wherein a fine material collecting hopper positioned at the lower end of the screen and a coarse material collecting hopper butted with the output end of the screen are also arranged in the box body; and packaging mechanisms are arranged below the fine aggregate hopper and the coarse aggregate. The method not only improves the crushing efficiency of the polycrystalline silicon finished product, but also reduces the use of equipment, so that the whole crushing process is simpler, the time of exposing the silicon material to the outside is shortened, the silicon material is effectively prevented from being polluted in the crushing process, and the purity of the final polycrystalline silicon lump material is greatly improved.
Description
Technical Field
The invention belongs to the field of polycrystalline silicon production, and particularly relates to a polycrystalline silicon lump material crusher.
Background
The polycrystalline silicon finished product is a cylindrical product, is crushed into bars and lump materials with different specifications and sizes according to the requirements of customers, is packaged into bags, is finally boxed and stacked for the customers to use, and has extremely high requirement on the purity of the product in the process.
At present, a polycrystalline silicon finished product is generally broken by manual breaking or manually assisted mechanical breaking, non-silicon impurities and micro silicon powder can be introduced in the process, some materials can splash in the breaking process and fall on the ground, the polycrystalline silicon finished product needs to be sorted, blown or cleaned manually again after being broken, the breaking process of the polycrystalline silicon finished product is more complicated, the equipment cost is increased, and the breaking efficiency is reduced.
Therefore, in the process of crushing the polycrystalline silicon finished product, the key points of crushing the polycrystalline silicon finished product are how to improve the crushing speed, reduce the use of equipment, shorten the time of exposing a silicon material in the air and the like.
Disclosure of Invention
The invention aims to provide a polycrystalline silicon lump material crusher, which not only improves the crushing efficiency of a polycrystalline silicon finished product, but also reduces the use of equipment, so that the whole crushing process is simpler, the time of exposing a silicon material to the outside is shortened, the silicon material is effectively prevented from being polluted in the crushing process, and the purity of the final polycrystalline silicon lump material is greatly improved.
In order to realize the purpose of the invention, the technical scheme is as follows: a polycrystalline silicon lump material crusher comprises a box body and a screen arranged in the box body, wherein a fine material collecting hopper positioned at the lower end of the screen and a coarse material collecting hopper butted with the output end of the screen are also arranged in the box body; and packaging mechanisms are arranged below the fine aggregate hopper and the coarse aggregate.
Furthermore, the screen cloth slope sets up, and the low side butt joint of ejection of compact collecting hopper and screen cloth.
Furthermore, two sides of the screen are also provided with protective plates.
Furthermore, a blowing mechanism capable of moving at will is arranged in the box body.
Further, the blowing mechanism comprises a mounting plate, a blowing air knife is fixedly mounted on the lower surface of the mounting plate, and electric magnetic strips are further mounted on two sides of the mounting plate.
Further, the length of mounting panel and the width cooperation of screen cloth, and the mounting panel is the arc, sweeps the length cooperation of air knife, electromagnetism strip all with the length of mounting panel.
Further, packagine machine constructs including being located the wrapping bag support bar of thin material collection fill, thick material collection fill below respectively and installing the capper on the box.
Further, the wrapping bag guardrail is the L type, and the extension end and the box of wrapping bag guardrail horizontal part rotate to be connected.
Further, rotatable pivot is installed to the box inner wall, and the extension end of wrapping bag guardrail horizontal part is fixed in the pivot, still fix in the pivot and around being equipped with the acting as go-between, install the balancing weight on the acting as go-between.
Further, still install two platform weighers on the box, and two platform weighers are located two wrapping bag support column below respectively.
Furthermore, a support table is further installed on the platform scale, and the support table comprises a plurality of support frames which are uniformly arranged at intervals; the wrapping bag support fence includes the pole of buckling that a plurality of even intervals were arranged, and every is buckled the space correspondence between the pole all and two adjacent support frames, and the length of wrapping bag support fence horizontal part is greater than the distance between brace table upper surface and the wrapping bag support fence horizontal part.
Furthermore, a dust suction device is further installed on the box body, and a dust suction port of the dust suction device is communicated with the interior of the box body.
Further, still install the light in the box, and the box inner wall still installs the bounce-back board.
The beneficial effect of the invention is that,
according to the invention, after the polycrystalline silicon finished product is fed onto the screen, the polycrystalline silicon finished product is manually crushed, fine materials generated by crushing fall into a fine material collecting hopper through the screen for collection, coarse materials generated by crushing fall into a coarse material collecting hopper through the output end of the screen for collection, and finally the coarse materials collected by the coarse material collecting hopper and the fine materials collected by the fine material collecting hopper directly enter a packaging mechanism for packaging.
The crushing device is simple in structure, the whole crushing process of the polycrystalline silicon finished product is carried out in the box body, the polycrystalline silicon finished product is prevented from splashing in the crushing process, the time of exposing the polycrystalline silicon lump material to the outside is shortened, and the polycrystalline silicon finished product is effectively prevented from being polluted in the crushing process; meanwhile, the finished polycrystalline silicon product is crushed, screened, collected and packaged into a whole, so that the polycrystalline silicon finished product is screened, collected and packaged in the crushing process, the crushing efficiency of the polycrystalline silicon finished product is greatly improved, the use of equipment is reduced, and the equipment cost is reduced.
Drawings
FIG. 1 is a block diagram of a polysilicon lump crusher provided by the present invention;
FIG. 2 is a block diagram of the screen of FIG. 1;
FIG. 3 is a block diagram of the purge mechanism of FIG. 1;
FIG. 4 is a view showing the construction of the mounting of the bag support rail of FIG. 1;
FIG. 5 is a block diagram of the bag support rail of FIG. 1 in an overturned condition;
fig. 6 is a structural view of the packaging support rail of fig. 1 in an inverted state.
Reference numbers and corresponding part names in the drawings:
1. the device comprises a box body, 2, a screen, 3, a fine material collecting hopper, 4, a coarse material collecting hopper, 5, a packaging mechanism, 6, a protection plate, 7, a blowing mechanism, 8, a platform scale, 9, a supporting table, 10, a dust collecting device, 11, a rebound plate, 12 and a material receiving barrel;
51. a packaging bag supporting fence 52, a sealing machine 53, a rotating shaft 54, a pull wire 55 and a balancing weight;
511. a bending rod;
71. mounting plate, 72, blowing air knife, 73 and electromagnetic strip;
91. a support frame.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
As shown in fig. 1, the polycrystalline silicon lump material crusher provided by the invention comprises a box body 1 and a screen 2 installed in the box body 1, wherein the box body 1 is further provided with an opening corresponding to the screen 2, so that a polycrystalline silicon finished product can be fed onto the screen 2 through the opening, and when the polycrystalline silicon finished product needs to be crushed, a worker can hold a crushing tool to crush the polycrystalline silicon finished product on the screen 2 through the opening.
The polycrystalline silicon lump material crushing box is characterized in that a fine material collecting hopper 3 positioned at the lower end of the screen 2 and a coarse material collecting hopper 4 butted with the output end of the screen 2 are further installed in the box body 1, the fine material collecting hopper 3 and the coarse material collecting hopper 4 are funnel-shaped, the outlet of the fine material collecting hopper 3 and the outlet of the coarse material collecting hopper 4 are provided with funnel-shaped material receiving barrels 12, the diameter of the material receiving barrels 12 can be designed according to the opening size of a packaging bag, a packaging table can be sleeved on the material receiving barrels 12 before a polycrystalline silicon finished product is crushed, the polycrystalline silicon lump material can directly fall into the packaging bag through the material receiving barrels 12 after being collected through the coarse material collecting hopper 4 or the fine material collecting hopper 3, the polycrystalline silicon finished product can be bagged into the polycrystalline silicon lump material while being crushed, the crushed polycrystalline silicon cannot be exposed to the outside, and the polycrystalline silicon lump material is effectively.
The packaging mechanisms 5 are installed below the fine aggregate hopper and the coarse aggregate, and the two packaging mechanisms 5 are respectively used for packaging the collected fine polycrystalline silicon lump materials and the collected coarse polycrystalline silicon lump materials, so that the polycrystalline silicon lump materials can be packaged after being collected, the polycrystalline silicon lump materials are not required to be exposed outside, the polycrystalline silicon lump materials are purer, and the quality of the polycrystalline silicon lump materials is higher.
The crushing, screening, collecting and packaging of the polycrystalline silicon finished product are integrated, so that the equipment is simpler, the polycrystalline silicon finished product can be screened, collected and packaged in the crushing process, the crushing efficiency of the polycrystalline silicon finished product is greatly improved, the use of the equipment is reduced, and the equipment cost is reduced; meanwhile, the whole crushing process of the polycrystalline silicon finished product is carried out in the box body 1, so that the polycrystalline silicon finished product is prevented from splashing in the crushing process, the time of exposing the polycrystalline silicon lump material to the outside is shortened, and the polycrystalline silicon finished product is effectively prevented from being polluted in the crushing process.
The aperture of the screen 2 can be adjusted according to the actual situation, and the screen 2 is detachably connected with the box body 1, so that the screen 2 is more convenient to install and replace, the screen 2 has the characteristics of friction resistance and scratch resistance, and particularly, the screen 2 is a stainless steel disc wrapped by PU materials and other plastic materials; the screen 2 is obliquely arranged, and the discharge aggregate bin is butted with the lower end of the screen 2, so that when polycrystalline silicon finished products are crushed on the screen 2, coarse polycrystalline silicon lump materials which are screened and positioned on the screen 2 can roll along the screen 2 according to self weight and fall into the coarse material collecting hopper 4 from the lower end of the screen 2, the polycrystalline silicon finished products are not required to be manually collected in the crushing process, and the collection of the coarse polycrystalline silicon lump materials is more convenient.
As shown in fig. 2, two sides of the screen 2 are further provided with a protection plate 6, and the protection plate 6 can effectively prevent the polysilicon finished product on the screen 2 from splashing and leaking from the periphery of the screen 2 when the polysilicon finished product is crushed; the protection plate 6 material is the same with screen cloth 2 material, and the height of protection plate 6 reduces along with screen cloth 2's output direction gradually, makes the polycrystalline silicon lump material on the screen cloth 2 can be smooth drop to thick material collecting hopper 4 in from screen cloth 2 output, and the collection of thick polycrystalline silicon lump material is more convenient.
The box body 1 is also internally provided with a blowing mechanism 7 capable of moving randomly, namely the blowing mechanism 7 can be directly blown by hands, a mechanical arm can be arranged on the inner wall of the box body 1, the blowing mechanism 7 is driven by the mechanical arm to blow, and the blowing mechanism 7 is mainly used for blowing dust on the polycrystalline silicon lump material completely, so that the obtained polycrystalline silicon lump material is purer, and the finally collected fine polycrystalline silicon lump material and the coarse polycrystalline silicon lump material have better quality.
As shown in fig. 3, the purging mechanism 7 includes a mounting plate 71, a purging air knife 72 is fixedly mounted on a lower surface of the mounting plate 71, the purging air knife 72 is in an inverted hollow trapezoid shape, an air outlet of the purging air knife 72 is located on the lower surface of the purging air knife 72, so that compressed air for purging the polycrystalline silicon lump material uniformly enters the purging air knife 72 first, and the compressed air uniformly acts on the polycrystalline silicon lump material through the purging air knife 72, and the purging effect of the polycrystalline silicon lump material is better. In the invention, the compression fan is used for providing an air source for the blowing air knife 72, the compression fan is connected with the blowing air knife 72 through the air supply hose, and the compression fan can be directly arranged on one side of the box body 1 or the top of the box body 1 and acts through the compression fan, so that the air source is provided for the blowing air knife 72. The gas source for purging the polycrystalline silicon lump material is clean nitrogen or air, and the gas source has certain pressure, so that the purging effect of the polycrystalline silicon lump material can be ensured.
Electric magnetic stripe 73 is still installed to the both sides of mounting panel 71, electromagnetism strip 73 fixed mounting is on mounting panel 71, electromagnetism strip 73 is connected with the power consumption power on the box 1 electricity, when electric magnetic stripe 73 circular telegram, electromagnetism strip 73 has magnetism, can effectively with magnetic powder and magnetic substance suction, when needs drive the magnetic powder or the magnetic substance of absorption on the electromagnetism strip 73, connect a material receiving box in the below butt joint of electromagnetism strip 73, make electric magnetic stripe 73 outage, magnetic powder and the magnetic substance of absorption then drop in the material receiving box automatically on the electromagnetism strip 73, at this in-process, can install a permanent magnet on the material receiving box, avoid magnetic powder or magnetic substance to drop to splash or produce the raise dust when connecing the material box.
The length of the mounting plate 71 is matched with the width of the screen 2, but the mounting plate 71 can move along the length direction of the screen 2, so that when the blowing air knife 72 blows the polycrystalline silicon lump materials on the screen 2, the mounting plate 71 only needs to move towards the conveying direction of the screen 2, thereby not only facilitating the blowing of the polycrystalline silicon lump materials, but also enabling the polycrystalline silicon lump materials to be blown cleanly and uniformly; the mounting plate 71 is arc-shaped, the blowing air knife 72 is positioned in the middle of the mounting plate 71, the electromagnetic strips 73 are positioned on two sides of the mounting plate 71, so that the blowing air knife 72 and the electromagnetic strips 73 are arranged in an inverted 'mountain' -shaped manner, blown dust is blown up from two sides of the polycrystalline silicon lump material after blowing air acts on the polycrystalline silicon lump material, and at the moment, the two electric magnetic strips 73 can quickly adsorb magnetic powder and magnetic substances in the blown dust, so that the demagnetizing effect of the polycrystalline silicon lump material is better; the length of the blowing air knife 72 and the length of the electromagnetic strip 73 are matched with the length of the mounting plate 71, so that polycrystalline silicon lump materials in the width direction of the drying net can be blown, magnetic dust and magnetic substances in the flying dust can be more thoroughly adsorbed, and the demagnetizing effect of the polycrystalline silicon lump materials is greatly improved.
As shown in fig. 4, 5 and 6, the packing mechanism 5 includes two packing bag support columns 51 respectively located below the fine material collecting hopper 3 and the coarse material collecting hopper 4, and the packing bag support columns 51 are mainly used for supporting the packing bags when the coarse polycrystalline silicon block and the fine polycrystalline silicon block are packed, so that the packing bags are always kept stable, the polycrystalline silicon blocks can accurately drop into the packing bags, and the polycrystalline silicon blocks are effectively prevented from splashing. The packaging mechanism 5 further comprises a sealing machine 52 installed on the box body 1, wherein the sealing machine 52 is directly used by the existing sealing machine 52 and is mainly used for sealing the packaging bag after the polycrystalline silicon lump material is packaged.
The packaging bag supporting rail 51 is L-shaped, the extending end of the horizontal part of the packaging bag supporting rail 51 is rotatably connected with the box body 1, when polycrystalline silicon blocks are not packaged in the packaging bag, the horizontal part of the packaging bag supporting rail 51 is horizontal, at the moment, the packaging bag supporting rail 51 is at the highest position, the packaging bag is completely sleeved on the material receiving barrel 12, as the polycrystalline silicon blocks enter the packaging bag, the weight in the packaging bag is gradually increased, the packaging bag supporting rail 51 is gradually turned downwards, as the packaging bag supporting rail 51 is turned over, the packaging bag positioned on the horizontal part of the packaging bag supporting rail 51 gradually transits to the vertical part of the packaging bag supporting rail 51, and the part of the packaging bag sleeved on the material receiving barrel 12 is gradually reduced, so that the polycrystalline silicon blocks are completely packaged in the packaging bag, the structure not only can support the packaging bag, but also can ensure that, the upper end of the packaging bag is always sleeved on the material receiving barrel 12, so that the packaging bag is always in a closed state, the polycrystalline silicon lump material is effectively prevented from being exposed outside, the polycrystalline silicon lump material is effectively prevented from being secondarily polluted during bagging, and the quality of the bagged polycrystalline silicon lump material is better.
The inner wall of the box body 1 is provided with a rotatable rotating shaft 53, the rotating shaft 53 is rotatably arranged on the inner wall of the box body 1 through a bearing seat, and the extending end of the horizontal part of the packaging bag supporting rail 51 is fixedly arranged on the rotating shaft 53 through a screw, so that the rotating shaft 53 drives the packaging bag supporting rail 51 to synchronously rotate when rotating; the rotating shaft 53 is further fixedly wound with a pulling wire 54, the pulling wire 54 penetrates through the box body 1 and extends outwards, the rotating direction of the pulling wire 54 for pulling the rotating shaft 53 is opposite to the overturning direction of the packaging bag supporting rail 51, and when the rotating shaft 53 is pulled by the pulling wire 54, the horizontal part of the packaging bag supporting rail 51 is kept in a horizontal state. The pull wire 54 is provided with a balancing weight 55, the balancing weight 55 is mainly used for tensioning the rotating shaft 53 through the pull wire 54 when the polycrystalline silicon block material is not filled in the packaging bag, so that the horizontal part of the packaging bag supporting column 51 is kept horizontal, or when the packaging bag filled with the polycrystalline silicon block material is taken down from the packaging bag supporting column 51, the rotating shaft 53 is pulled to rotate through the gravity of the assembling block, so that the packaging bag supporting column 51 is reset; when the polycrystalline silicon blocks are filled into the packaging bags gradually, the gravity borne by the packaging bag supporting column 51 is gradually increased, so that the gravity borne by the packaging bag supporting column 51 is gradually larger than the gravity borne by the balancing weight 55, the packaging bag supporting column 51 is gradually turned over, the height of the packaging bag is gradually reduced, the packaging bag gradually moves downwards relative to the material receiving barrel 12, and the polycrystalline silicon blocks can be completely sent into the packaging bags for bagging.
Still install two platform weighers 8 on the box 1, and two platform weighers 8 are located two wrapping bag support column 51 below respectively, make the polycrystalline silicon lump material in the packaging process, after wrapping bag support column 51 overturns completely, the wrapping bag directly supports on platform weigher 8, and at this moment, platform weigher 8 can weigh the polycrystalline silicon lump material in the wrapping bag, makes the weight of the polycrystalline silicon lump material of packing keep unanimous.
The platform scale 8 is also provided with a supporting platform 9, and the supporting platform 9 is mainly used for supporting a packaging bag filled with polycrystalline silicon lump materials; the support platform 9 comprises a plurality of support frames 91 which are uniformly distributed at intervals, and each support frame 91 is n-shaped, so that a certain gap is formed between the upper surface of each support frame 91 and the upper surface of the platform balance 8; the packaging bag supporting column 51 comprises a plurality of bending rods 511 which are uniformly arranged at intervals, the bending rods 511 are L-shaped, two ends of each bending rod 511 are fixed together, the distance between every two adjacent bending rods 511 is equal to the distance between every two adjacent supporting frames 91, each bending rod 511 corresponds to a gap between every two adjacent supporting frames 91, the length of the horizontal part of each packaging bag supporting column 51 is larger than the distance between the upper surface of the supporting table 9 and the horizontal part of each packaging bag supporting column 51 and is smaller than the distance between the upper surface of the platform balance 8 and the horizontal part of each packaging bag supporting column 51, after the packaging bag supporting column 51 is turned over, the vertical part of each bending rod 511 penetrates through the space between every two adjacent supporting frames 91 and is positioned below the corresponding supporting frame 91, at the moment, the packaging bags positioned on the packaging bag supporting columns 51 are transited to the supporting table 9, the weight of the packaging bags is completely acted on the supporting table 9, the platform scale 8 can accurately weigh the packaging bag, so that the weight of the packaging bag packaged with the polycrystalline silicon block material is more standard.
In order to estimate the weight of the polycrystalline silicon lump material in the packaging bag, scale marks can be arranged on the material receiving barrel 12, along with the increase of the polycrystalline silicon lump material in the packaging bag, the overturning angle of the packaging bag supporting rail 51 is gradually increased, the height of the packaging bag is gradually reduced, the length of the upper end of the packaging bag, which is sleeved on the upper end of the material receiving barrel 12, is gradually reduced, and at the moment, the weight of the polycrystalline silicon lump material filled in the packaging bag can be known through the scale marks on the material receiving barrel 12.
The box body 1 is further provided with a dust suction device 10, a dust suction port of the dust suction device 10 is communicated with the interior of the box body 1, the dust suction device 10 is directly used by the existing dust suction device 10, and the dust suction device 10 can collect and treat dust in the box body 1 in a centralized manner, so that secondary pollution of the dust in the box body 1 to the polycrystalline silicon lump material is effectively prevented, and the quality of the polycrystalline silicon lump material is guaranteed.
The box body 1 is also internally provided with a lighting lamp, so that the crushing of the polycrystalline silicon finished product in the box body 1 can be conveniently observed; the inner wall of the box body 1 is further provided with 4 rebound plates 11, the four rebound plates 11 are arranged on four surfaces of the box body 1, the rebound plates 11 are obliquely arranged, one end, fixed on the inner wall of the box body 1, of each rebound plate 11 is higher than one end, far away from the inner wall of the box body 1, of each rebound plate 11, so that a polycrystalline silicon finished product is in the crushing process, and after the polycrystalline silicon lump material splashes to the rebound plates 11, the rebound plates 11 can enable the polycrystalline silicon lump material to rebound to the middle of the screen mesh 2 from the new position, and therefore the polycrystalline silicon finished product is effectively prevented from splashing to the outside of the box body 1 in the crushing process.
In the crushing process, the invention can also be used in combination with a transfer trolley, so that the packaged polycrystalline silicon lump material can be carried by the transfer trolley and is subjected to inspection; meanwhile, a tool table and a packaging bag containing box can be arranged on one side of the machine, so that the workshop can be kept clean.
When the polycrystalline silicon finished product needs to be crushed, the two packaging bags are respectively sleeved on the material receiving barrel 12 on the coarse material collecting hopper 4 and the fine material collecting hopper 3, the polycrystalline silicon finished product is put on the screen 2, a clean crushing tool is manually held by hand, the polysilicon lump materials on the screen 2 are crushed, the fine polysilicon lump materials generated in the crushing process are screened by the screen 2 and enter a fine material collecting hopper 3, the generated coarse polysilicon lump materials are positioned on the screen 2, after the crushing is finished, the compression fan is started, the mounting plate 71 is manually moved, the blowing air knife 72 on the mounting plate 71 blows the polycrystalline silicon lump material on the screen 2, in the purging process, the electromagnetic strips 73 adsorb the magnetic dust and the magnetic substance to complete the demagnetization of the polysilicon, after the demagnetization is finished, the polycrystalline silicon is manually stirred to drop into the coarse material collecting hopper 4 from the output end of the screen 2; meanwhile, after the blowing air knife 72 blows the polycrystalline silicon lump material, the compression fan stops operating, and the blowing air knife 72 stops blowing.
After the screened fine polycrystalline silicon lump materials enter the fine material collecting hopper 3, the screened fine polycrystalline silicon lump materials enter a packaging bag through the material receiving barrel 12 on the fine material collecting hopper 3, the weight of the packaging bag is increased while the packaging bag enters the packaging bag, the gravity borne by the packaging bag supporting column 51 is increased, so that the packaging bag supporting column 51 drives the rotating shaft 53 to gradually turn over, the bottom of the packaging bag gradually transits from the horizontal part of the packaging bag supporting column 51 to the vertical part of the packaging bag supporting column 51 while the packaging bag supporting column 51 turns over, and the height of the packaging bag is gradually reduced; when the weight of the fine polysilicon block in the packaging belt reaches a certain amount, the vertical part of the bending rod 511 in the packaging bag supporting column 51 passes through the gap between two adjacent supporting frames 91 and enters the lower part of the supporting frames 91, so that the packaging bag positioned on the packaging bag supporting column 51 is transited onto the supporting frames 91, the weight of the packaging bag is completely transferred onto the platform balance 8, and at the moment, the platform balance 8 weighs the weight of the fine polysilicon block in the packaging bag; when the fine polysilicon block material in the packaging bag reaches the standard, the packaging bag is taken down from the support table 9 to the sealing machine 52 for sealing; at the same time of sealing the packaging bag, because the packaging bag support rail 51 is not limited by the packaging bag, at this time, the pull wire 54 is pulled by the counterweight 55 through the self weight, so that the rotating shaft 53 rotates reversely, and the rotating shaft 53 drives the packaging bag support rail 51 to rotate synchronously when rotating reversely, so that the packaging bag support rail 51 is reset.
When the screened coarse polysilicon lump material enters the fine material collecting hopper 3, the screened coarse polysilicon lump material enters a packaging bag through the material receiving barrel 12 on the coarse material collecting hopper 4, the weight of the packaging bag is increased, the gravity borne by the packaging bag supporting rail 51 is increased, so that the packaging bag supporting rail 51 drives the rotating shaft 53 to gradually turn over, the bottom of the packaging bag gradually transits from the horizontal part of the packaging bag supporting rail 51 to the vertical part of the packaging bag supporting rail 51 while the packaging bag supporting rail 51 turns over, and the height of the packaging bag is gradually reduced; when the weight of the coarse polysilicon block in the packaging belt reaches a certain amount, the vertical part of the bending rod 511 in the packaging bag supporting column 51 passes through the gap between two adjacent supporting frames 91 and enters the lower part of the supporting frames 91, so that the packaging bag positioned on the packaging bag supporting column 51 is transited onto the supporting frames 91, the weight of the packaging bag is completely transferred onto the platform balance 8, and at the moment, the platform balance 8 weighs the weight of the coarse polysilicon block in the packaging bag; when the coarse polysilicon blocks in the packaging bag reach the standard, the packaging bag is taken down from the support table 9 to the sealing machine 52 for sealing; at the same time of sealing the packaging bag, because the packaging bag support rail 51 is not limited by the packaging bag, at this time, the pull wire 54 is pulled by the counterweight 55 through the self weight, so that the rotating shaft 53 rotates reversely, and the rotating shaft 53 drives the packaging bag support rail 51 to rotate synchronously when rotating reversely, so that the packaging bag support rail 51 is reset.
In the process of crushing, screening, purging, demagnetizing and bagging the polycrystalline silicon finished product on the screen 2, the dust removal device is started, so that the polycrystalline silicon finished product is removed in the crushing process, secondary pollution of dust generated in the crushing process of the polycrystalline silicon finished product to the polycrystalline silicon lump material is prevented, and the quality of the polycrystalline silicon lump material is ensured.
When the device is used, the fine material collecting hopper can be communicated with the dust removal device, so that polycrystalline silicon dust in the fine material collecting hopper is collected and removed, the quality of the packaged fine polycrystalline silicon lump material is better, and the purity of the fine polycrystalline silicon lump material is kept.
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, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The polycrystalline silicon lump material crusher is characterized by comprising a box body (1) and a screen (2) arranged in the box body (1), wherein a fine material collecting hopper (3) positioned at the lower end of the screen (2) and a coarse material collecting hopper (4) butted with the output end of the screen (2) are also arranged in the box body (1); and packaging mechanisms (5) are arranged below the fine aggregate hopper and the coarse aggregate.
2. The polycrystalline silicon lump crusher according to claim 1, characterized in that the screen (2) is arranged obliquely, and the discharging collection hopper is butted with the lower end of the screen (2); furthermore, the periphery of the screen (2) is also provided with a protection plate (6).
3. The polycrystalline silicon lump crusher according to claim 1, characterized in that a freely movable purging mechanism (7) is further arranged in the box body (1); furthermore, the blowing mechanism (7) comprises an installation plate (71), a blowing air knife (72) is fixedly installed on the lower surface of the installation plate (71), and electric magnetic strips (73) are further installed on two sides of the installation plate (71).
4. The polysilicon lump crusher as claimed in claim 5, wherein the length of the mounting plate (71) is matched with the width of the screen (2), the mounting plate (71) is arc-shaped, and the lengths of the blowing air knife (72) and the electromagnetic strip (73) are matched with the length of the mounting plate (71).
5. Polycrystalline silicon lump-breaker according to claim 1, characterized in that the packing mechanism (5) comprises a bag support rail (51) and a capper (52) mounted on the box (1) respectively under the fine material hopper (3) and the coarse material hopper (4).
6. The polycrystalline silicon lump crusher according to claim 7, wherein the bag support rail (51) has an L-shape, and an extended end of a horizontal portion of the bag support rail (51) is rotatably connected to the housing (1).
7. The polycrystalline silicon lump material crusher as claimed in claim 8, wherein the inner wall of the box body (1) is provided with a rotatable rotating shaft (53), the extending end of the horizontal part of the packaging bag supporting rail (51) is fixed on the rotating shaft (53), the rotating shaft (53) is further fixedly wound with a pull wire (54), and the pull wire (54) is provided with a balancing weight (55).
8. The polycrystalline silicon lump crusher according to claim 9, wherein two platform scales (8) are further installed on the box body (1), and the two platform scales (8) are respectively positioned below the two bag supporting rails (51).
9. The polycrystalline silicon lump material crusher as claimed in claim 10, wherein the platform scale (8) is further provided with a supporting platform (9), and the supporting platform (9) comprises a plurality of supporting frames (91) which are uniformly arranged at intervals; the packaging bag supporting fence (51) comprises a plurality of bending rods (511) which are uniformly arranged at intervals, each bending rod (511) corresponds to a gap between two adjacent supporting frames (91), and the length of the horizontal part of the packaging bag supporting fence (51) is greater than the distance between the upper surface of the supporting table (9) and the horizontal part of the packaging bag supporting fence (51).
10. The polycrystalline silicon lump material crusher according to claim 1, characterized in that a dust suction device (10) is further installed on the box body (1), and a dust suction port of the dust suction device (10) is communicated with the interior of the box body (1); furthermore, a lighting lamp is further installed in the box body (1), and a rebound plate (11) is further installed on the inner wall of the box body (1).
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