CN213700227U - Silicon material production and processing system - Google Patents
Silicon material production and processing system Download PDFInfo
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- CN213700227U CN213700227U CN202120835344.XU CN202120835344U CN213700227U CN 213700227 U CN213700227 U CN 213700227U CN 202120835344 U CN202120835344 U CN 202120835344U CN 213700227 U CN213700227 U CN 213700227U
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Abstract
The utility model discloses a silicon material production and processing system relates to silicon material processing equipment technical field, and the main objective provides one kind can reduce intensity of labour to a silicon material production and processing system that can the environmental protection. The utility model discloses a main technical scheme does: a silicon material production processing system, comprising: a first crushing member; a first sorting section; a second crushing member; a second sorting means; the grading component is arranged between the cyclone separator and the storage box and comprises a supporting box, a first filtering layer and a second filtering layer, the first filtering layer and the second filtering layer are arranged inside the supporting box, the first filtering layer is arranged on the upper portion of the second filtering layer, and the mesh number of the first filtering layer is larger than that of the second filtering layer; and the dust removal component is connected to the top of the cyclone separator. The utility model discloses mainly used silicon material processing.
Description
Technical Field
The utility model relates to a silicon material processing equipment technical field especially relates to a silicon material production and processing system.
Background
With the rapid development of society, silicon has become one of the important metal materials in modern industry. The silicon processing process usually comprises the steps of mining silicon blocks from mountains, then processing the silicon blocks into silicon powder through the steps of crushing, screening and the like, then conveying the silicon ingot to downstream to be processed into a silicon rod, wherein the existing silicon ingot processing system mainly comprises a crushing device, a magnetic separation device, a jet mill device and a cyclone separator, the crushing device is used for crushing the silicon ingot in advance, then the silicon briquette is separated from other non-metals by a magnetic separation device, and then the silicon briquette is further crushed by a jet mill device, then conveying the crushed silicon powder into a cyclone separator, but the cyclone separator can only separate part of the silicon powder from air, the air discharged from the cyclone separator still contains part of the silicon powder, which not only pollutes the environment, but also causes waste of raw materials, moreover, the silicon powder discharged from the cyclone separator needs to be screened again by manpower, which increases labor intensity and labor cost.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a silicon material production and processing system, the main objective is to provide a silicon material production and processing system that can reduce intensity of labour to can the environmental protection.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a silicon material production and processing system, this system includes:
the first crushing component comprises a bin, a crusher and a lifting component, the bin is connected to the crusher, and one end of the lifting component is connected to the crusher;
the first sorting part comprises a conveying belt, a motor, a storage bin, a conveying roller shaft and a magnetic separation roller shaft, the other end of the lifting part is arranged at the upper part of the conveying belt, the conveying belt is arranged between the conveying roller shaft and the magnetic separation roller shaft, the motor is connected with the magnetic separation roller shaft, and the storage bin is arranged at the lower part of the magnetic separation roller shaft;
the second crushing component comprises a jet mill, a first material pumping machine and a second material pumping machine, the storage bin is connected to a first material conveying pipe of the jet mill, the first material pumping machine is arranged at the top of the jet mill, the second material pumping machine is arranged at the bottom of the jet mill, and the second material pumping machine is connected to the storage bin;
the second sorting part comprises a cyclone separator and a storage box, the storage box comprises a first storage box and a second storage box, a first feeding pipe of the cyclone separator is connected with the first material extractor, and the first storage box and the second storage box are arranged at the lower part of the cyclone separator;
the classifying component is arranged between the cyclone separator and the storage box and comprises a support box, a first filter layer and a second filter layer, the first filter layer and the second filter layer are arranged inside the support box, the first filter layer is arranged on the upper part of the second filter layer, and the mesh number of the first filter layer is larger than that of the second filter layer;
and the dust removal component is connected to the top of the cyclone separator.
Furthermore, the dust removal part comprises a dust removal support, an induced duct and a plurality of dust removal bags, the dust removal bags are arranged on the dust removal support, one end of the induced duct is connected with the cyclone separator, and the other end of the induced duct is connected with the dust removal bags.
Furthermore, the feed back component comprises a feed back pipe and a spiral shaft, the feed back pipe is arranged between the second material pumping machine and the storage bin, and the spiral shaft is arranged in the feed back pipe.
Further, defeated material part includes exhaust column and air exhauster, the exhaust column sets up dust removal part with between the cyclone, the air exhauster setting is in on the exhaust column.
Further, the lifting member includes a first rotating shaft, a second rotating shaft, a conveyor belt, and a plurality of buckets, the plurality of buckets being disposed on the conveyor belt, the conveyor belt being disposed between the first rotating shaft and the second rotating shaft.
Further, the first filter layer is provided with a first discharge hole, the first storage box is arranged at the lower part of the first discharge hole, the second filter layer is provided with a second discharge hole, and the second storage box is arranged at the lower part of the second discharge hole.
Furthermore, a first included angle is formed between the first filter layer and the second filter layer.
Furthermore, the grading component also comprises a blocking plate, and two ends of the blocking plate are respectively connected with the first filtering layer and the second filtering layer.
Further, a packing member disposed at a lower portion of the first storage box and/or the second storage box.
Compared with the prior art, the utility model discloses following technological effect has:
in the technical scheme provided by the embodiment of the utility model, the first crushing part is used for pre-crushing the silicon block, the first crushing part comprises a stock bin, a crusher and a lifting part, the stock bin is connected with the crusher, and one end of the lifting part is connected with the crusher; the first sorting part is used for screening out the non-metal materials in the silicon briquette and comprises a conveying belt, a motor, a storage bin, a conveying roller shaft and a magnetic separation roller shaft, the other end of the lifting part is arranged at the upper part of the conveying belt, the conveying belt is arranged between the conveying roller shaft and the magnetic separation roller shaft, the motor is connected with the magnetic separation roller shaft, and the storage bin is arranged at the lower part of the magnetic separation roller shaft; the second crushing component is used for crushing the silicon blocks to generate silicon powder, the second crushing component comprises a jet mill, a first material pumping machine and a second material pumping machine, the storage bin is connected to a first material conveying pipe of the jet mill, the first material pumping machine is arranged at the top of the jet mill, the second material pumping machine is arranged at the bottom of the jet mill, and the second material pumping machine is connected to the storage bin; the second separation part is used for filtering the silicon powder and comprises a cyclone separator and a storage box, the storage box comprises a first storage box and a second storage box, a first feeding pipe of the cyclone separator is connected with the first material pumping machine, and the first storage box and the second storage box are arranged at the lower part of the cyclone separator; the classifying component is arranged between the cyclone separator and the storage box and comprises a supporting box, a first filtering layer and a second filtering layer, the first filtering layer and the second filtering layer are arranged in the supporting box, the first filtering layer is arranged on the upper portion of the second filtering layer, and the mesh number of the first filtering layer is larger than that of the second filtering layer; the dust removal part is used for filtering gas discharged by the cyclone separator and is connected to the top of the cyclone separator, compared with the prior art, the crushing device crushes silicon blocks in advance, then the silicon blocks are separated from other non-metals by the magnetic separation device, then the silicon blocks are further crushed by the jet mill device, and then the crushed silicon powder is conveyed into the cyclone separator, but the cyclone separator can only separate partial silicon powder from air, the air discharged from the cyclone separator still contains partial silicon powder, which not only pollutes the environment and wastes raw materials, but also needs to be manually screened again, thereby increasing labor intensity and labor cost, in the technical scheme, the classifying part is arranged at the lower part of the cyclone separator to classify the crushed silicon powder according to different diameters, thereby reach the technological effect who reduces personnel's intensity of labour to, set up dust removal part at cyclone's air exit, filter the cyclone combustion gas, make the silica flour in the gas can stop in dust removal part, not only can retrieve silica flour, can also reach environmental protection's technological effect.
Drawings
Fig. 1 is a schematic structural diagram of a silicon material production and processing system provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a grading component according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and fig. 2, the embodiment of the present invention provides a silicon material production and processing system, which includes:
the crushing device comprises a first crushing component and a second crushing component, wherein the first crushing component comprises a bin 11, a crusher 12 and a lifting component, the bin 11 is connected to the crusher 12, and one end of the lifting component is connected to the crusher 12;
the first sorting part comprises a conveying belt 21, a motor, a storage bin 23, a conveying roller shaft 24 and a magnetic separation roller shaft 25, the other end of the lifting part is arranged at the upper part of the conveying belt 21, the conveying belt 21 is arranged between the conveying roller shaft 24 and the magnetic separation roller shaft 25, the motor is connected with the magnetic separation roller shaft 25, and the storage bin 23 is arranged at the lower part of the magnetic separation roller shaft 25;
the second crushing component comprises a jet mill 31, a first material extractor 32 and a second material extractor 33, the storage bin 23 is connected to a first material conveying pipe 311 of the jet mill 31, the first material extractor 32 is arranged at the top of the jet mill 31, the second material extractor 33 is arranged at the bottom of the jet mill 31, and the second material extractor 33 is connected to the storage bin 23;
a second sorting part including a cyclone 41 and storage tanks including a first storage tank 421 and a second storage tank 422, the first feed pipe of the cyclone 41 being connected to the first extractor 32, the first storage tank 421 and the second storage tank 422 being disposed at a lower portion of the cyclone 41;
a classifying part disposed between the cyclone 41 and the storage tank, the classifying part including a support tank 51, a first filter layer 52 and a second filter layer 53, the first filter layer 52 and the second filter layer 53 being disposed inside the support tank 51, the first filter layer 52 being disposed on an upper portion of the second filter layer 53, wherein the mesh number of the first filter layer 52 is greater than that of the second filter layer 53;
and a dust removing part connected to the top of the cyclone 41.
In the technical scheme provided by the embodiment of the utility model, the first crushing part is used for pre-crushing the silicon briquette, the first crushing part comprises a stock bin 11, a crusher 12 and a lifting part, the stock bin 11 is connected with the crusher 12, and one end of the lifting part is connected with the crusher 12; the first sorting part is used for screening out the non-metal materials in the silicon briquette and comprises a conveying belt 21, a motor, a storage bin 23, a conveying roller shaft 24 and a magnetic separation roller shaft 25, the other end of the lifting part is arranged at the upper part of the conveying belt 21, the conveying belt 21 is arranged between the conveying roller shaft 24 and the magnetic separation roller shaft 25, the motor is connected with the magnetic separation roller shaft 25, and the storage bin 23 is arranged at the lower part of the magnetic separation roller shaft 25; the second crushing component is used for crushing the silicon blocks to generate silicon powder, the second crushing component comprises a jet mill 31, a first material pumping machine 32 and a second material pumping machine 33, the storage bin 23 is connected to a first material conveying pipe 311 of the jet mill 31, the first material pumping machine 32 is arranged at the top of the jet mill 31, the second material pumping machine 33 is arranged at the bottom of the jet mill 31, and the second material pumping machine 33 is connected to the storage bin 23; the second separation part is used for filtering the silicon powder and comprises a cyclone separator 41 and a storage box, the storage box comprises a first storage box 421 and a second storage box 422, a first feeding pipe of the cyclone separator 41 is connected to the first material pumping machine 32, and the first storage box 421 and the second storage box 422 are arranged at the lower part of the cyclone separator 41; the classifying component is used for classifying the silicon powder, is arranged between the cyclone separator 41 and the storage box and comprises a support box 51, a first filter layer 52 and a second filter layer 53, the first filter layer 52 and the second filter layer 53 are arranged inside the support box 51, the first filter layer 52 is arranged at the upper part of the second filter layer 53, wherein the mesh number of the first filter layer 52 is larger than that of the second filter layer 53; the dust removing part is used for filtering the gas discharged from the cyclone separator 41, the dust removing part is connected to the top of the cyclone separator 41, compared with the prior art, the crushing device crushes the silicon block in advance, then the silicon block is separated from other non-metals by the magnetic separation device, then the silicon block is further crushed by the jet mill device, and then the crushed silicon powder is conveyed into the cyclone separator 41, however, the cyclone separator 41 can only separate part of the silicon powder from air, the air discharged from the cyclone separator 41 still contains part of the silicon powder, which not only pollutes the environment, but also causes waste of raw materials, and the silicon powder discharged from the cyclone separator 41 needs to be screened again by manpower, thus increasing the labor intensity and the labor cost, in the technical scheme, the classifying part is arranged at the lower part of the cyclone separator 41, silica flour after will breaking is graded according to the diameter of difference to reach the technological effect that reduces personnel's intensity of labour, and, set up dust removal part at cyclone 41's air exit, filter cyclone 41 combustion gas, make silica flour in the gas can stop in dust removal part, not only can retrieve silica flour, can also reach the technological effect of environmental protection.
The first crushing part is used for crushing silicon blocks in advance, the first crushing part comprises a bin 11, a crusher 12 and a lifting part, the bin 11 is connected to the crusher 12, one end of the lifting part is connected to the crusher 12, the bin 11 is usually made of steel materials, a wear-resistant layer is arranged on the inner wall of the bin 11, the service life of the bin 11 can be prolonged, the crusher 12 adopts the existing crushing equipment, such as a horizontal hammer crusher 12, as long as the silicon blocks can be crushed, the lifting part is used for lifting the silicon blocks to the upper part of a magnetic separator, optionally, the lifting part comprises a first rotating shaft, a second rotating shaft, a transmission belt and a plurality of buckets, the buckets are arranged on the transmission belt, the transmission belt is arranged between the first rotating shaft and the second rotating shaft, the driving part drives the first rotating shaft or the second rotating shaft to rotate, the buckets are arranged on the transmission belt, the crusher 12 pours the silicon blocks on the bucket, the transmission belt drives the bucket to move to the upper part of the magnetic separator, then the silicon blocks are poured, the silicon blocks are screened under the action of the magnetic separator, and non-magnetic impurities are removed; the first sorting part is used for screening out nonmetal materials in the silicon briquette, the first sorting part comprises a conveying belt 21, a motor, a storage bin 23, a conveying roller shaft 24 and a magnetic separation roller shaft 25, the other end of a lifting part is arranged at the upper part of the conveying belt 21, the conveying belt 21 is arranged between the conveying roller shaft 24 and the magnetic separation roller shaft 25, the motor is connected to the magnetic separation roller shaft 25, the storage bin 23 is arranged at the lower part of the magnetic separation roller shaft 25, the conveying roller shaft 24 is a driven shaft, the motor drives the magnetic separation roller shaft 25 to rotate, when the silicon briquette is close to the magnetic separation roller shaft 25 in the moving process of the conveying belt 21, the silicon briquette can be sucked by the magnetic separation roller shaft 25, nonmetal impurities can fall out of the conveying belt 21, and the silicon briquette is continuously sucked by the magnetic separation roller shaft 25 until the silicon briquette is separated from; the second crushing component is used for crushing the silicon blocks to generate silicon powder, the second crushing component comprises a jet mill 31, a first material pumping machine 32 and a second material pumping machine 33, the storage bin 23 is connected to a first material conveying pipe 311 of the jet mill 31, the first material pumping machine 32 is arranged at the top of the jet mill 31, the second material pumping machine 33 is arranged at the bottom of the jet mill 31, the second material pumping machine 33 is connected to the storage bin 23, the jet mill 31 is used for enabling the silicon blocks to collide with each other to form the silicon powder, then the silicon powder is pumped out of the jet mill 31 through the first material pumping machine 32, the second material pumping machine 33 is arranged at the bottom of the jet mill 31, the dropped silicon blocks can be conveyed into the storage bin 23 again, and the circulation is repeated; the second separation part is used for filtering the silicon powder, the second separation part comprises a cyclone separator 41 and a storage box, the storage box comprises a first storage box 421 and a second storage box 422, a first feeding pipe of the cyclone separator 41 is connected with the first extractor 32, the first storage box 421 and the second storage box 422 are arranged at the lower part of the cyclone separator 41, the cyclone separator 41 is used for separating the silicon powder from air, but because the particles of the silicon powder are smaller, partial silicon powder is easy to appear in the gas content separated by the cyclone separator 41, a classification part is arranged between the cyclone separator 41 and the storage box, the classification part is used for classifying the silicon powder, the classification part is arranged between the cyclone separator 41 and the storage box, the classification part comprises a support box 51, a first filter layer 52 and a second filter layer 53, the first filter layer 52 and the second filter layer 53 are arranged inside the support box 51, the first filter layer 52 is arranged on the upper part of the second filter layer 53, wherein the mesh number of the first filter layer 52 is larger than that of the second filter layer 53, the first filter layer 52 firstly filters the silicon powder, so that the silicon powder with larger particles stays on the first filter layer 52, and the silicon powder with smaller particles falls on the second filter layer 53, thereby the silicon powder can be rapidly classified, and the technical effect of convenient classification is achieved; the dust removal part is used for filtering gas discharged from the cyclone separator 41, the dust removal part is connected to the top of the cyclone separator 41, and is optional and comprises a dust removal support, an air induction pipe and a plurality of dust removal bags, the dust removal bags are arranged on the dust removal support, one end of the air induction pipe is connected to the cyclone separator 41, the other end of the air induction pipe is connected to the dust removal bags, the gas carrying silicon powder is discharged from the cyclone separator 41 and enters the air induction pipe and then enters the dust removal bags through the air induction pipe, the dust removal bags can penetrate through the air, however, silicon powder impurities stay in the dust removal bags, the effect of recovering the silicon powder is achieved, and the technical effect of protecting the environment can be achieved; optionally, increase defeated material part, defeated material part includes exhaust column and air exhauster, and the exhaust column setting is between dust removal part and cyclone 41, and the air exhauster setting is on the exhaust column to reach the technological effect of accelerating the gaseous transmission rate of silica flour.
Further, the feed back component 7 comprises a feed back pipe and a screw shaft, the feed back pipe is arranged between the second material pumping machine 33 and the storage bin 23, and the screw shaft is arranged in the feed back pipe. In this embodiment, the material returning component 7 is added, and the material returning component 7 is used for conveying the silicon briquette pumped by the second material pumping machine 33 to the storage bin 23 in a spiral rotation mode of the spiral shaft, so as to prevent the silicon briquette from being exposed to the external environment, thereby achieving the technical effect of preventing dust.
Further, first filtration layer 52 has first discharge port 54, first storage tank 421 is provided at a lower portion of first discharge port 54, second filtration layer 53 has second discharge port 55, and second storage tank 422 is provided at a lower portion of second discharge port 55. In this embodiment, a first filtering layer 52 and a second filtering layer 53 are further defined, a first discharge port 54 is disposed at a connecting position of first filtering layer 52 and support box 51, so that silicon powder can enter into first storage box 421, optionally, a vibration member 57 can be disposed between first filtering layer 52 and support box 51, vibration member 57 can make first filtering layer 52 vibrate in a reciprocating manner, so as to accelerate the screening speed of silicon powder, second filtering layer 53 has the same structure as first filtering layer 52, but the direction is opposite, that is, first discharge port 54 is disposed on one side of the inner wall of support box 51, and second discharge port 55 is disposed on the other side of the inner wall of support box 51, so that silicon powder filtered by second filtering layer 53 can fall into second storage box 422 through second discharge port 55, thereby achieving the technical effect of rapid classification; optionally, a first included angle is formed between first filter layer 52 and second filter layer 53, that is, first filter layer 52 and second filter layer 53 form intersection of different position surfaces, so that positions of first storage box 421 and second storage box 422 can be staggered, thereby achieving a technical effect of conveniently loading silicon powders with different mesh numbers, and a third storage box 423 can be added, wherein third storage box 423 is arranged between first storage box 421 and second storage box 422, and can store filtered silicon powders; optionally, the classifying component further includes a blocking plate 56, two ends of the blocking plate 56 are respectively connected to the first filter layer 52 and the second filter layer 53, the blocking plate 56 is disposed between the first filter layer 52 and the second filter layer 53, and can play a role of blocking, the blocking plate 56 can be a flexible plate, in the process of vibration of the vibrating component 57, the blocking plate 56 can still block the silicon powder, of course, the outer portions of the first filter layer 52 and the second filter layer 53 are provided with an outer frame, and the vibrating component 57 can be disposed between the outer frame and the filter layers, thereby achieving the technical effect of facilitating the vibration of the filter layers.
Further, a packing member, which is disposed at a lower portion of the first storage box 421 and/or the second storage box 422. In this embodiment, increased packing part, packing part's effect is weighed and is packed the silica flour of production, can adopt current packing plant to reach the technological effect of convenient packing.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A silicon material production and processing system is characterized by comprising:
the first crushing component comprises a bin, a crusher and a lifting component, the bin is connected to the crusher, and one end of the lifting component is connected to the crusher;
the first sorting part comprises a conveying belt, a motor, a storage bin, a conveying roller shaft and a magnetic separation roller shaft, the other end of the lifting part is arranged at the upper part of the conveying belt, the conveying belt is arranged between the conveying roller shaft and the magnetic separation roller shaft, the motor is connected with the magnetic separation roller shaft, and the storage bin is arranged at the lower part of the magnetic separation roller shaft;
the second crushing component comprises a jet mill, a first material pumping machine and a second material pumping machine, the storage bin is connected to a first material conveying pipe of the jet mill, the first material pumping machine is arranged at the top of the jet mill, the second material pumping machine is arranged at the bottom of the jet mill, and the second material pumping machine is connected to the storage bin;
the second sorting part comprises a cyclone separator and a storage box, the storage box comprises a first storage box and a second storage box, a first feeding pipe of the cyclone separator is connected with the first material extractor, and the first storage box and the second storage box are arranged at the lower part of the cyclone separator;
the classifying component is arranged between the cyclone separator and the storage box and comprises a support box, a first filter layer and a second filter layer, the first filter layer and the second filter layer are arranged inside the support box, the first filter layer is arranged on the upper part of the second filter layer, and the mesh number of the first filter layer is larger than that of the second filter layer;
and the dust removal component is connected to the top of the cyclone separator.
2. The silicon material production and processing system as claimed in claim 1,
the dust removal part comprises a dust removal support, an induced duct and a plurality of dust removal bags, the dust removal bags are arranged on the dust removal support, one end of the induced duct is connected to the cyclone separator, and the other end of the induced duct is connected to the dust removal bags.
3. The silicon material production and processing system of claim 1, further comprising:
and the feed back component comprises a feed back pipe and a spiral shaft, the feed back pipe is arranged between the second material pumping machine and the storage bin, and the spiral shaft is arranged in the feed back pipe.
4. The silicon material production and processing system of claim 1, further comprising:
the material conveying component comprises an exhaust pipe and an exhaust fan, the exhaust pipe is arranged between the dust removing component and the cyclone separator, and the exhaust fan is arranged on the exhaust pipe.
5. The silicon material production and processing system as claimed in claim 1,
the lifting member includes a first rotating shaft, a second rotating shaft, a conveyor belt, and a plurality of buckets, and the plurality of buckets are disposed on the conveyor belt, and the conveyor belt is disposed between the first rotating shaft and the second rotating shaft.
6. The silicon material production and processing system as claimed in claim 1,
the first filter layer is provided with a first discharge hole, the first storage box is arranged at the lower part of the first discharge hole, the second filter layer is provided with a second discharge hole, and the second storage box is arranged at the lower part of the second discharge hole.
7. The silicon material production and processing system as claimed in claim 6,
a first included angle is formed between the first filter layer and the second filter layer.
8. The silicon material production and processing system as claimed in claim 7,
the grading component further comprises a blocking plate, and two ends of the blocking plate are connected to the first filtering layer and the second filtering layer respectively.
9. The silicon material production and processing system according to any one of claims 1 to 8, further comprising:
a packing member disposed at a lower portion of the first storage box and/or the second storage box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120835344.XU CN213700227U (en) | 2021-04-22 | 2021-04-22 | Silicon material production and processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120835344.XU CN213700227U (en) | 2021-04-22 | 2021-04-22 | Silicon material production and processing system |
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| Publication Number | Publication Date |
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| CN213700227U true CN213700227U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120835344.XU Active CN213700227U (en) | 2021-04-22 | 2021-04-22 | Silicon material production and processing system |
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| CN (1) | CN213700227U (en) |
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2021
- 2021-04-22 CN CN202120835344.XU patent/CN213700227U/en active Active
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