CN111731876B - A feeding device and feeding method for filling silicon material - Google Patents
A feeding device and feeding method for filling silicon material Download PDFInfo
- Publication number
- CN111731876B CN111731876B CN202010741031.8A CN202010741031A CN111731876B CN 111731876 B CN111731876 B CN 111731876B CN 202010741031 A CN202010741031 A CN 202010741031A CN 111731876 B CN111731876 B CN 111731876B
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- charging
- blanking
- funnel
- silicon material
- stub bar
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- 239000002210 silicon-based material Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 abstract description 15
- 230000000903 blocking effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Silicon Compounds (AREA)
Abstract
The invention provides a blanking device for filling silicon materials, which is used for filling silicon materials into a charging barrel and comprises a charging part and a plurality of blanking parts which are arranged below the charging part and are communicated with the charging barrel, wherein the charging part can slide along the length direction and continuously charge the blanking parts at intervals. The invention also provides a blanking method using the blanking device. The invention has the advantages that the silicon material can accurately fall into the charging barrel, the charging efficiency is high, the charging quality is good, the engagement and the matching between the lower end surface of the charging part and the inner side of the discharging part are good, the risk of material falling can be effectively reduced, and the probability of silicon material pollution is also reduced.
Description
Technical Field
The invention belongs to the technical field of auxiliary parts of single crystal drawing and charging equipment, and particularly relates to a blanking device and a blanking method for filling silicon materials.
Background
The single crystal is charged before being pulled, and manual charging is adopted in the past, but the manual charging has low working efficiency, environmental pollution, dust emission and leakage, low silicon material utilization rate and poor operation safety. The existing design automatic filling machine is unreasonable in structural design between the filling hopper and the discharging hopper, so that the material is easy to clamp during discharging, the silicon material entering the hopper overflows and falls off, the production efficiency is low, external impurities are easy to introduce, and the production progress is severely restricted.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, materials are easy to block and overflow due to unreasonable structural design by providing a blanking device and a blanking method for filling silicon materials and a transitional connection structure of an automatic filling machine and a charging barrel.
In order to solve the technical problems, the invention adopts the following technical scheme:
The utility model provides a unloader for filling silicon material for to loading section of thick bamboo filling silicon material, includes loading portion and a plurality of locate loading portion below and with loading section of thick bamboo intercommunication, loading portion can follow its length direction slip and continuously interval to each the unloading portion is loaded.
Further, the automatic feeding device comprises two symmetrical discharging portions which are arranged at intervals, wherein the discharging portions are arranged side by side along the length direction of the charging portion, and each discharging portion is respectively and independently connected with the charging barrel.
Further, the blanking part comprises a funnel and a tray which is arranged on the lower end face of the funnel and communicated with the funnel, wherein the cross section area of the upper end of the funnel is larger than the cross section area of the lower end of the funnel, the tray is matched with the upper end face of the charging barrel, and the upper end face of the funnel is inclined and is obliquely arranged towards one side of the adjacent blanking part.
Further, the lower end face of the funnel is arranged in any semicircle of the tray, the lower end face of the funnel is in a semicircular structure with a falling hole communicated with the tray, and the diameter of the falling hole is parallel to the diameter of the tray and is close to one side of the circle center of the tray.
Furthermore, both side surfaces of the funnel in the length direction are arc-shaped surface structures protruding towards the center of the funnel.
Further, the charging portion comprises a charging shell and a charging head which is communicated with the charging shell, wherein the charging head is an inverted cone-shaped shell, the large end face of the charging head is close to one end of the charging shell, and the charging head moves along the length direction of the charging shell.
Furthermore, the stub bar is arranged in the upper end face of the blanking portion, and the lower end face of the stub bar is obliquely arranged relative to the blanking portion towards the outer side face of the blanking portion in the length direction.
The blanking method of the filling machine adopts the blanking device according to any one of the above steps, and the method comprises the steps that when in operation, the charging parts continuously charge the charging barrels corresponding to the blanking parts at intervals within a set time, until all the charging barrels are filled with the silicon material, and the blanking is stopped.
Further, each time the silicon material is filled, the charging portion charges only two adjacent charging barrels.
Further, the weight of the silicon material filled each time accounts for 8-15% of the weight of the silicon material in the whole charging barrel.
Compared with the prior art, by adopting the technical scheme, the silicon material can accurately fall into the charging barrel, the filling efficiency is high, the filling quality is good, the engagement between the lower end surface of the charging part and the inner side of the discharging part is good, the risk of material falling can be effectively reduced, and the probability of pollution of the silicon material is also reduced.
Drawings
FIG. 1 is a schematic structural diagram of a blanking apparatus according to an embodiment of the present invention;
FIG. 2 is a side view of a blanking portion of an embodiment of the present invention;
FIG. 3 is a top view of a blanking portion according to an embodiment of the present invention;
Fig. 4 is a bottom view of the blanking portion according to an embodiment of the present invention.
In the figure:
100. Charging section 110, charging shell 120, and stub bar
200. Blanking portion 210, hopper 220, tray
230. Extension pipe 240, blanking hole 300 and charging barrel
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples.
The present embodiment proposes a discharging device for filling silicon material, as shown in fig. 1, which is used for filling silicon material into charging barrels 300, and comprises a charging portion 100 and a plurality of discharging portions 200 disposed under the charging portion 100 and communicated with the charging barrels 300, wherein the charging portion 100 can slide along the length direction and continuously charge each discharging portion 200 at intervals, so that each charging barrel 300 is filled with silicon material.
In this embodiment, the present discharging device includes a charging portion 100 and two symmetrically and alternately arranged discharging portions 200, the discharging portions 200 are arranged side by side along the length direction of the charging portion 100, and each discharging portion 200 is separately connected with the charging barrel 300. The two discharging parts 200 are corresponding to one charging part 100, and the head 120 of the silicon discharging material in the charging part 100 can swing left and right along the length direction of the charging part 100 and continuously charge the two groups of discharging parts 200 at intervals, so that each group of discharging parts 200 has enough buffering discharging time, the overflow is avoided, and the charging efficiency and the utilization rate of the filling machine equipment can be improved.
Further, the loading part 100 includes a loading shell 110 and a stub bar 120 which is disposed in communication with the loading shell 110, and continuously conveys silicon material into the loading shell 110 by a conveyor belt, and the silicon material is poured into a hopper 210 in the discharging part 200 through the stub bar 120 and then into the loading drum 300. The charging shell 110 is in a cuboid structure, in order to ensure that enough silicon material is stored in the charging shell 110, the length of the charging shell 110 is not less than the distance between the outer side surfaces of adjacent hoppers 210, the stub bar 120 is an inverted cone-shaped shell, the large end surface of the stub bar 120 is arranged close to one end of the charging shell 110, the stub bar 120 can move left and right along the length direction of the charging shell 110, namely, a matching mode that a sliding rail matched with the stub bar 120 is arranged on the inner side surface of the charging shell 110 is a common structure in the art, and the drawing is omitted.
Further, in order to ensure that the silicon material removed from the stub bar 120 is not splashed out of the hopper 210 and is completely filled into the charging barrel 300, it is required that the lower end surface of the stub bar 120 is placed in the upper end surface of the hopper 210 in the blanking portion 200, and that the lower end surface of the stub bar 120 is inclined with respect to the hopper 210 toward the outer side surface in the longitudinal direction of the blanking portion 200. That is, when the charging is performed to the charging barrel 300 at the left side, the lower opening end of the stub bar 120 is inclined toward the outer side surface of the funnel 210, and the height of the outer side wall surface of the funnel 210 is greater than that of the inner side wall surface of the funnel, so that the lower opening of the stub bar 120 can approach the high side surface of the funnel 210, not only can the silicon powder dust and the silicon material be prevented from splashing, but also the distance of the silicon material flowing through the funnel 210 can be indirectly increased, the down buffering time of the silicon material can be increased, the silicon material can be completely charged into the charging barrel, and the silicon material filling effect can be improved.
As shown in fig. 2, the blanking portion 200 includes a funnel 210, a tray 220 disposed on a lower end surface of the funnel 210 and communicated with the funnel 210, and an extension tube 230 disposed below the tray 220, where the extension tube 230 is communicated with the lower end surface of the funnel 210, that is, the lower end surface of the funnel 210 is communicated with a blanking hole 240 disposed on the tray 220, and the lower end surface of the funnel 210 is matched with the dropping hole 240, and the tray 220 is matched with an upper end surface of the charging barrel 300.
Further, in order to ensure that the stub bar 120 can continuously swing left and right without blocking and perform filling on the adjacent hopper 210, the upper end surface of the hopper 210 is inclined and is inclined towards one side of the adjacent blanking portion 200. In this embodiment, the upper end surface of the funnel 210 is circular or quadrilateral, and the lower end surface is circular or quadrilateral, that is, the upper end surface and the lower end surface of the funnel 210 may be both circular or quadrilateral, or the upper end surface of the funnel 210 is circular and the lower end surface thereof is quadrilateral, or the upper end surface of the funnel 210 is quadrilateral and the lower end surface thereof is circular. No matter the upper end surface and the lower end surface of the funnel 210 are of any shape, but the cross-sectional area of the upper end surface is ensured to be larger than that of the lower end surface, and the two funnels 210 are of an inverted frustum-shaped structure which is adjacently and symmetrically arranged. Meanwhile, in order to ensure that the lower end surface of the funnel 210 is matched with the drop hole 240, it is necessary to trim the inner side of the lower end surface of the funnel 210 so that the lower end surface of the funnel 210 is completely in contact connection with the drop hole 240, and the silicon material slides into the charging barrel 300 completely freely and unobstructed.
Preferably, both sides of the funnel 210 in the length direction have arc-shaped structures protruding toward the center of the funnel 210, which is more beneficial to the falling of the silicon material and accelerates the falling of the silicon material. The circular tray 220 matched with the upper port of the charging barrel 300 not only can support the placement of the funnel 210, but also can adjust the position of the funnel 210 according to the placement condition of the silicon material in the charging barrel 300 so as to adjust the position of the silicon material falling into the charging barrel 300, and the adjustment is convenient and does not affect the filling and discharging.
As shown in fig. 3-4, the lower end surface of the funnel 210 is disposed in any semicircle of the tray 220, and the dropping hole 240 communicating the lower end surface of the funnel 210 with the tray 220 is of a semicircular structure, and the diameter of the dropping hole 240 is parallel to the diameter of the tray 220 and is disposed near one side of the center of the tray 220. Since the charging barrel 300 is a re-feeding device, the center of the charging barrel 300 is provided with the pull shaft, so the center of the tray 220 is provided with the through hole which is penetrated by the pull shaft on the charging barrel 300, the position of the funnel 210 must avoid the pull shaft, namely, the charging barrel 300 is filled in the semicircular ring of the tray 220, and the lower end surface of the funnel 210 is arranged in any semicircular ring of the tray 220.
The blanking method of the filling machine adopts the blanking device, and comprises the following steps:
in operation, the charging unit 100 continuously charges the corresponding charging barrel 300 of each blanking unit 200 at intervals within a set time until the charging barrel 300 is filled with silicon material, and then stops charging.
Specifically, each time the silicon material is filled, the charging section 100 charges only two adjacent charging barrels 300. Two charging barrels 300 with the same specification are selected to be placed at intervals in parallel, meanwhile, a blanking part 200 is arranged on each charging barrel 300, and funnels 210 in two adjacent blanking parts 200 are oppositely arranged, namely, inclined plane bottom parts in the funnels 210 are adjacently aligned, and inclined plane high parts in the funnels 210 are arranged on one side of the outer side wall.
And S2, during blanking, the hopper 210 corresponding to the charging barrel 300 at one end of the left side is firstly moved to be in butt joint by the stub bar 120, the lower port of the stub bar 120 is arranged towards one side of the long side surface of the left side hopper 210, and silicon materials in the charging shell 110 are controlled to be charged into the charging barrel 300 at the left side through the hopper 210 by the stub bar 120 within a set time.
And S3, after the material is completely filled, controlling the material head 120 to slide to the right-side charging barrel 300, enabling the material head 120 to be in butt joint with the funnel 210 corresponding to the right-side charging barrel 300, enabling the lower port of the material head 120 to face one side of the long side of the funnel 210 on the right side, continuously storing the material into the charging shell 110 by the material filling machine during the interval transferring period, and opening the charging shell 110 after the position of the material head 120 is stable, enabling the silicon material to fall into the funnel 210 through the material head 120 and flow into the right-side charging barrel 300.
And S4, readjusting the stub bar 120 and returning the stub bar to the position of the left charging barrel 300, repeating the step S2 and continuously charging the left charging barrel 300, readjusting the stub bar 120 and moving the stub bar to the position of the right charging barrel 300, repeating the step S3 and continuously charging the right charging barrel 300.
Steps S2 and S3 are repeated until the loading work of the two loading cartridges 300 is completed.
The weight of the silicon material and the filling time are the same each time, and the weight of the silicon material in each time accounts for 8-15% of the weight of the whole silicon material of the charging barrel 300 due to the limitation of the size of the discharging hole 240 in the hopper 210. This is because, if the weight of the silicon material per time is less than 8% of the weight of the entire silicon material of the charging barrel 300, the number of the silicon materials per time is small, and more reciprocating intervals are required for discharging, so that the utilization rate of the discharging device is low, the discharging time is required to be prolonged, and the charging cost is indirectly increased, and if the weight of the silicon material per time is more than 15% of the weight of the entire silicon material of the charging barrel 300, the carrying capacity of the hopper 210 matched with the charging barrel 300 is exceeded, and meanwhile, the size of the discharging hole 240 is limited due to the limited area of the tray 220 matched with the diameter of the charging barrel 300, and excessive silicon material accumulation can cause the blocking of the discharging hole 240, which is unfavorable for the falling of the silicon material, thereby affecting the charging efficiency. Preferably, the weight of the silicon material filled each time accounts for 8-15% of the weight of the whole silicon material of the charging barrel 300, so that the problem of material clamping is solved, the utilization rate of the hopper 210 can be utilized to the maximum extent, and the charging time is saved.
In this embodiment, the loading time can be set by itself while considering the descending height and weight of the silicon material, which is not particularly limited herein.
1. The blanking device and the blanking method provided by the invention can accurately drop the silicon material into the charging barrel, have high filling efficiency and good filling quality, are good in connection and fit between the lower end surface of the charging part and the inner side of the blanking part, can effectively reduce the risk of blanking, and also reduce the probability of pollution of the silicon material.
2. The hopper comprises two discharging parts which are symmetrically arranged adjacently and reversely, wherein the upper end face of the hopper is of an inclined structure and is inclined towards an adjacent side face, the structure is favorable for charging left and right of the charging part and continuously swinging without blocking, and meanwhile, two side faces of the hopper in the length direction are of arc-shaped face structures protruding towards one side of the center of the hopper, so that the hopper is more favorable for falling of silicon materials, and the falling of the silicon materials is accelerated.
3. The lower end face of the funnel is also provided with a circular tray matched with the port of the charging barrel, so that the funnel can be supported for placement, the position of the funnel can be adjusted according to the placement condition of the silicon material in the charging barrel, the position of the silicon material in the charging barrel can be adjusted, and the silicon material can be conveniently adjusted without influencing filling and discharging.
4. Meanwhile, the stub bar of the charging part can slide left and right along the length direction of the charging shell, namely the length direction of the adjacent discharging part, the lower end part of the stub bar is of an inverted frustum-shaped structure, the stub bar can be completely embedded into the inner side of the hopper, the silicon material is prevented from being scattered or splashed out, and the silicon material is ensured to be completely filled into the charging barrel.
5. One charging part corresponds to two discharging parts, and the charging parts can swing left and right and continuously charge materials to two groups of discharging parts at intervals, so that each group of discharging parts has enough buffering discharging time, flash is avoided, and the charging efficiency and the utilization rate of the filling machine equipment can be improved.
The foregoing detailed description of the embodiments of the invention has been presented only to illustrate the preferred embodiments of the invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (3)
1. The blanking device for filling the silicon material is used for filling the silicon material into a charging barrel and is characterized by comprising a charging part and a plurality of blanking parts which are arranged below the charging part and are communicated with the charging barrel, wherein the charging part can slide along the length direction and continuously charge the blanking parts at intervals;
The blanking part comprises a funnel and a tray which is arranged on the lower end face of the funnel and communicated with the funnel, wherein the cross section area of the upper end of the funnel is larger than that of the lower end of the funnel;
The lower end face of the funnel is arranged in any semicircle of the tray, and a falling hole communicated with the tray is of a semicircular structure;
The charging part comprises a charging shell and a stub bar which is communicated with the charging shell, wherein the stub bar is an inverted cone-shaped shell, the large end face of the stub bar is close to one end of the charging shell, a sliding rail which is matched with the stub bar is arranged on the inner side face of the charging shell, and the stub bar moves along the length direction of the charging shell;
the upper end face of the funnel is an inclined plane and is obliquely arranged towards one side adjacent to the discharging part;
the diameter of the falling hole is parallel to the diameter of the tray and is arranged close to one side of the circle center of the tray;
Both sides of the funnel in the length direction are arc-shaped structures protruding towards the center of the funnel.
2. The blanking device for filling silicon materials according to claim 1, comprising two symmetrically and alternately arranged blanking portions, wherein the blanking portions are arranged side by side along the length direction of the charging portion, and each blanking portion is independently connected with the charging barrel.
3. A blanking device for filling silicon materials according to any one of claims 1-2, wherein the stub bar is built in the upper end face of the blanking portion, and the lower end face of the stub bar is arranged obliquely to the outer side face of the blanking portion in the length direction of the blanking portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010741031.8A CN111731876B (en) | 2020-07-29 | 2020-07-29 | A feeding device and feeding method for filling silicon material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010741031.8A CN111731876B (en) | 2020-07-29 | 2020-07-29 | A feeding device and feeding method for filling silicon material |
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| Publication Number | Publication Date |
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| CN111731876A CN111731876A (en) | 2020-10-02 |
| CN111731876B true CN111731876B (en) | 2025-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010741031.8A Active CN111731876B (en) | 2020-07-29 | 2020-07-29 | A feeding device and feeding method for filling silicon material |
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| Country | Link |
|---|---|
| CN (1) | CN111731876B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201249998Y (en) * | 2008-07-23 | 2009-06-03 | 广州珠江钢铁有限责任公司 | Swing pipe type two-way feeding device |
| CN212581011U (en) * | 2020-07-29 | 2021-02-23 | 内蒙古中环协鑫光伏材料有限公司 | Unloader is used to filling silicon material |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2411998Y (en) * | 1999-09-14 | 2000-12-27 | 訾吉 | Carbon black diverter |
| DK176326B1 (en) * | 2003-05-14 | 2007-08-13 | Smidth As F L | Device for dividing a stream of particulate or powdered material into partial streams |
| CN201390509Y (en) * | 2009-04-30 | 2010-01-27 | 江苏牧羊集团有限公司 | Rotating distributor |
| FI124335B (en) * | 2012-09-26 | 2014-07-15 | Maricap Oy | Device for changing flow path and material collection and transport system |
| CN202912348U (en) * | 2012-11-07 | 2013-05-01 | 衡阳运输机械有限公司 | Movable chute |
| DE102018117351B4 (en) * | 2018-07-18 | 2020-11-05 | Fette Compacting Gmbh | Soft of a tablet drain of a tablet press |
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2020
- 2020-07-29 CN CN202010741031.8A patent/CN111731876B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201249998Y (en) * | 2008-07-23 | 2009-06-03 | 广州珠江钢铁有限责任公司 | Swing pipe type two-way feeding device |
| CN212581011U (en) * | 2020-07-29 | 2021-02-23 | 内蒙古中环协鑫光伏材料有限公司 | Unloader is used to filling silicon material |
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| CN111731876A (en) | 2020-10-02 |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: No.19, Amur South Street, Saihan District, Hohhot, Inner Mongolia Autonomous Region Applicant after: Inner Mongolia Zhonghuan Crystal Materials Co.,Ltd. Address before: No.19, Amur South Street, Saihan District, Hohhot, Inner Mongolia Autonomous Region Applicant before: INNER MONGOLIA ZHONGHUAN XIEXIN PHOTOVOLTAIC MATERIAL Co.,Ltd. Country or region before: China |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |