CN220057108U - Flow guiding device for monocrystalline silicon production - Google Patents
Flow guiding device for monocrystalline silicon production Download PDFInfo
- Publication number
- CN220057108U CN220057108U CN202321490164.8U CN202321490164U CN220057108U CN 220057108 U CN220057108 U CN 220057108U CN 202321490164 U CN202321490164 U CN 202321490164U CN 220057108 U CN220057108 U CN 220057108U
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- CN
- China
- Prior art keywords
- ejection
- flow guiding
- monocrystalline silicon
- rotary drum
- guiding device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910021421 monocrystalline silicon Inorganic materials 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000011810 insulating material Substances 0.000 claims abstract 2
- 230000000903 blocking effect Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The utility model discloses a flow guiding device for monocrystalline silicon production, which relates to the field of monocrystalline silicon production and comprises a flow guiding cylinder body, wherein a fixed ring is arranged at the top end of the flow guiding cylinder body, an annular groove is formed in the inner ring of the fixed ring, a cylinder opening protecting device is clamped in the annular groove, a hollow cavity is formed in the flow guiding cylinder body, a heat insulating material is filled in the hollow cavity, in actual operation, a worker manually rotates a telescopic rod, a rotary cylinder is fixed at the bottom end of the telescopic rod and can drive the rotary cylinder to rotate on a base, at the moment, the rotary cylinder rotates to retract a wound pull rope, one end of an ejection block is pulled, the ejection block is retracted into the working cavity, a compression force is applied to a spring, at the moment, the telescopic rod is released, the rebound force of the spring drives the ejection block to rotate reversely through the pull rope, and when a plurality of ejection blocks extend out of the ejection opening, the telescopic rod is clamped in the annular groove, and the plurality of ejection blocks are arranged, so that the fixing strength can be improved.
Description
Technical Field
The utility model relates to the field of monocrystalline silicon production, in particular to a flow guiding device for monocrystalline silicon production.
Background
Monocrystalline silicon generally refers to a substance formed by an arrangement of silicon atoms, which is the most commonly used semiconductor material, and when molten elemental silicon solidifies, the silicon atoms are arranged in diamond lattices to form crystal nuclei, which grow into crystal grains with the same crystal face orientation, forming monocrystalline silicon, and molybdenum guide cylinders, also known as molybdenum heat shields. The shape is that the upper opening is big, the lower opening is small horn-shaped, and the upper opening has various styles due to different single crystal furnace manufacturers. The product which is used more and more widely in the working environment of the molybdenum guide cylinder single crystal furnace is placed in the traditional graphite guide cylinder when in use, so that the effect of improving the crystal pulling rate can be achieved.
When in actual use, the monocrystalline silicon is required to be matched with the guide device in production, the protection device is not generally arranged at the outlet of the guide cylinder, when the guide cylinder is not used, the guide cylinder is placed in the air, dust is easy to be stained, and when the guide cylinder is used, the monocrystalline silicon passing through can be stained with impurities.
Therefore, it is necessary to provide a flow guiding device for monocrystalline silicon production to solve the above problems.
Disclosure of Invention
The utility model aims to provide a flow guiding device for monocrystalline silicon production, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a guiding device for monocrystalline silicon production, includes the draft tube body, the top of draft tube body is provided with solid fixed ring, the annular has been seted up to solid fixed ring's inner circle, the block has nozzle protection device in the annular, the inside of draft tube body is provided with hollow chamber, hollow intracavity is filled with insulation material, nozzle protection device's top is provided with the top protection piece, the both sides of top protection piece are provided with the pulling handle.
Preferably, the nozzle protecting device comprises a round cover, a rotary drum, a pull rope, an ejecting block and a spring.
Preferably, a plurality of ejection outlets are formed in the outer ring of the round cover, the ejection outlets are distributed in an annular mode, a working cavity is formed in the round cover, the ejection blocks are arranged in the ejection outlets in a sliding mode, a base is arranged in the middle of the working cavity, and the rotary drum is arranged on the top end of the base in a threaded rotating fit mode.
Preferably, one side of the ejection block far away from the ejection port is provided with a blocking plate, the blocking plate is arranged at the top end of the working cavity, a telescopic piece is arranged between the blocking plate and the ejection block, and a spring is sleeved on the outer side of the telescopic piece.
Preferably, a pull rope is connected between the ejection block and the rotary drum, and one end of the pull rope is wound on the outer ring of the rotary drum.
Preferably, the top end of the rotary drum extends out of the round cover, the extending end is fixedly connected with a telescopic rod, and the top end of the telescopic rod is provided with a rotating handle.
Preferably, the top of the top protection block is provided with a groove, and two ends of the groove are provided with semicircular openings.
The utility model has the technical effects and advantages that:
1. in actual operation, the staff manually rotates the telescopic link, because the bottom mounting of telescopic link has the rotary drum, can drive the rotary drum and rotate on the base, and the rotary drum rotates and can make winding stay cord retract this moment, pulls the one end that pops out the piece, makes the piece that pops out retract to the inside of working chamber to give a compression force of spring. When placing the dome in the inside of annular, loosen the telescopic link this moment, the resilience force of spring drives and pops out the piece, makes the rotary drum carry out the reverse direction rotation through the stay cord, when a plurality of pieces of popping out stretch out outside the export, the block is in the inside of annular, the setting of a plurality of pieces of popping out can improve fixed strength.
2. Pulling handle can make things convenient for the staff to take the dome, and the telescopic link can stretch out and draw back in addition, and the rotation handle that the telescopic link top set up can follow the telescopic link and shrink the inside of recess, does not produce to block, and the semicircle mouth that the both ends of recess set up can make things convenient for personnel's finger to stretch into, draws to rotate the handle, is provided with hollow chamber in addition, and hollow intracavity is filled with insulation material, strengthens the heat preservation effect of guide cylinder body.
Drawings
FIG. 1 is a schematic diagram of a flow guiding device for producing monocrystalline silicon according to the present utility model.
FIG. 2 is a schematic view showing the connection relationship between the ejecting block and the drum and the blocking plate according to the present utility model.
FIG. 3 is a schematic top view of the flow guiding device for producing monocrystalline silicon according to the present utility model.
Fig. 4 is a schematic structural view of the hollow cavity of the present utility model.
In the figure: 1. a guide cylinder body; 2. a fixing ring; 3. a ring groove; 4. a nozzle protector; 5. a dome; 6. ejecting the block; 7. a top protection block; 8. a telescopic rod; 9. rotating the handle; 10. a groove; 11. pulling the handle; 12. a base; 13. a working chamber; 14. a pull rope; 15. a rotating drum; 16. a spring; 17. a blocking plate; 18. a hollow cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a flow guiding device for monocrystalline silicon production as shown in fig. 1-4, which comprises a flow guiding cylinder body 1, wherein a fixed ring 2 is arranged at the top end of the flow guiding cylinder body 1, an annular groove 3 is formed in the inner ring of the fixed ring 2, a cylinder opening protecting device 4 is clamped in the annular groove 3, the cylinder opening protecting device 4 comprises a circular cover 5, a rotary drum 15, a pull rope 14, an ejecting block 6 and a spring 16, and the cylinder opening protecting device 4 can be arranged in the annular groove 3 in the fixed ring 2 to form fixation for protecting a cylinder opening of the flow guiding cylinder body 1.
A plurality of bullet outlets have been seted up on the outer lane of dome 5, and a plurality of bullet outlets are annular distribution, and the inside of dome 5 is provided with working chamber 13, pops up in the piece 6 slip is provided with the bullet outlet, and the middle part of working chamber 13 is provided with base 12, and rotary drum 15 screw thread normal running fit sets up in the top of base 12, makes rotary drum 15 rotate, makes things convenient for follow-up operation.
One side of the ejection block 6 far away from the ejection port is provided with a blocking plate 17, the blocking plate 17 is arranged at the top end of the working cavity 13, a telescopic piece is arranged between the blocking plate 17 and the ejection block 6, and the outer side of the telescopic piece is sleeved with a spring 16. A pull rope 14 is connected between the ejecting block 6 and the rotary drum 15, and one end of the pull rope 14 is wound on the outer ring of the rotary drum 15. The top of rotary drum 15 stretches out dome 5, and stretches out end fixedly connected with telescopic link 8, and the top of telescopic link 8 is provided with rotation handle 9.
In the actual operation of the utility model, the staff manually rotates the telescopic rod 8, and because the bottom end of the telescopic rod 8 is fixed with the rotary drum 15, the rotary drum 15 can be driven to rotate on the base 12, at the moment, the rotary drum 15 rotates to retract the wound pull rope 14, one end of the pop-up block 6 is pulled, the pop-up block 6 is retracted into the working cavity 13, and a compression force is applied to the spring 16.
When placing the dome 5 in the inside of annular groove 3, unclamp telescopic link 8 at this moment, the resilience force of spring 16 drives and pops out piece 6, makes rotary drum 15 reverse direction rotation through stay cord 14, stretches out outside the export when a plurality of pieces 6 pop out, block in the inside of annular groove 3, and the setting of a plurality of pieces 6 pops out can improve fixed strength.
The top of top protection piece 7 has seted up recess 10, and the both ends of recess 10 are provided with the semicircle mouth. The inside of draft tube body 1 is provided with hollow chamber 18, and hollow chamber 18 intussuseption is filled with insulation material, strengthens the heat preservation effect of draft tube body 1.
The top of the nozzle protection device 4 is provided with a top protection block 7, and both sides of the top protection block 7 are provided with pulling handles 11.
Pulling handle 11 can make things convenient for the staff to take dome 5, and telescopic link 8 can stretch out and draw back in addition, and telescopic link 8 top setting's rotation handle 9 can follow telescopic link 8 shrink to recess 10's inside, does not produce to block, and the semicircle mouth that recess 10's both ends set up can make things convenient for personnel's finger to stretch into, draws and rotates handle 9.
Claims (7)
1. The utility model provides a guiding device for monocrystalline silicon production, includes draft tube body (1), its characterized in that: the novel water heater is characterized in that a fixed ring (2) is arranged at the top end of the guide cylinder body (1), an annular groove (3) is formed in an inner ring of the fixed ring (2), a cylinder opening protection device (4) is clamped in the annular groove (3), a hollow cavity (18) is formed in the guide cylinder body (1), heat-insulating materials are filled in the hollow cavity (18), a top end protection block (7) is arranged at the top end of the cylinder opening protection device (4), and pulling handles (11) are arranged on two sides of the top end protection block (7).
2. The flow guiding device for producing monocrystalline silicon according to claim 1, wherein: the nozzle protection device (4) comprises a round cover (5), a rotary drum (15), a pull rope (14), an ejection block (6) and a spring (16).
3. A flow guiding device for producing monocrystalline silicon according to claim 2, characterized in that: the novel rotary drum is characterized in that a plurality of ejection outlets are formed in the outer ring of the round cover (5), the ejection outlets are distributed in an annular mode, a working cavity (13) is formed in the round cover (5), the ejection blocks (6) are arranged in the ejection outlets in a sliding mode, a base (12) is arranged in the middle of the working cavity (13), and the rotary drum (15) is arranged at the top end of the base (12) in a threaded rotating fit mode.
4. A flow guide apparatus for single crystal silicon production according to claim 3, wherein: one side of the ejection block (6) far away from the ejection port is provided with a blocking plate (17), the blocking plate (17) is arranged at the top end of the working cavity (13), a telescopic piece is arranged between the blocking plate (17) and the ejection block (6), and a spring (16) is sleeved on the outer side of the telescopic piece.
5. A flow guiding device for producing monocrystalline silicon according to claim 2, characterized in that: a pull rope (14) is connected between the ejecting block (6) and the rotary drum (15), and one end of the pull rope (14) is wound on the outer ring of the rotary drum (15).
6. A flow guiding device for producing monocrystalline silicon according to claim 2, characterized in that: the top of rotary drum (15) stretches out dome (5), and stretches out end fixedly connected with telescopic link (8), the top of telescopic link (8) is provided with rotation handle (9).
7. The flow guiding device for producing monocrystalline silicon according to claim 1, wherein: the top of top protection piece (7) has seted up recess (10), the both ends of recess (10) are provided with the semicircle mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321490164.8U CN220057108U (en) | 2023-06-09 | 2023-06-09 | Flow guiding device for monocrystalline silicon production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321490164.8U CN220057108U (en) | 2023-06-09 | 2023-06-09 | Flow guiding device for monocrystalline silicon production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220057108U true CN220057108U (en) | 2023-11-21 |
Family
ID=88786083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321490164.8U Active CN220057108U (en) | 2023-06-09 | 2023-06-09 | Flow guiding device for monocrystalline silicon production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220057108U (en) |
-
2023
- 2023-06-09 CN CN202321490164.8U patent/CN220057108U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |