CN209338699U - Polysilicon directional freezing set composite - Google Patents
Polysilicon directional freezing set composite Download PDFInfo
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- CN209338699U CN209338699U CN201821928233.8U CN201821928233U CN209338699U CN 209338699 U CN209338699 U CN 209338699U CN 201821928233 U CN201821928233 U CN 201821928233U CN 209338699 U CN209338699 U CN 209338699U
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Abstract
The utility model discloses polysilicon directional freezing set composite, including substrate, the substrate is equipped with complex protection sleeve, is used to accommodate in complex protection sleeve and places tubular graphite jig；The complex protection sleeve includes bottom plate, several curved surface side plates and stop collar; plate upper surface is circumferentially arranged with mounting groove; rubber gasket is equipped in mounting groove; it is fixed in the axial bottom end transition fit insertion mounting groove of several curved surface side plates; and the axial side of two curved surface side plates of arbitrary neighborhood seals against each other to agree with makes whole cylindrical structure, the columnar structured top side detachable that several curved surface side plates are constituted is arranged stop collar and is fixed；Bottom plate is equipped with cooler pan, and cooler pan with the bottom of graphite jig for contacting.Directional solidification set composite provided by the utility model easily easy disassembly complex protection sleeve, it is convenient that impurity, inspection operation are purged to complex protection sleeve.
Description
Technical field
The utility model relates to polycrystalline silicon purifying technical fields, and in particular to a kind of polysilicon directional freezing set composite.
Background technique
Solar energy has become green energy resource of greatest concern at present, and polysilicon is current most widely used solar-electricity
Pond material.Solar grade polycrystalline silicon material is the important source material of solar battery, and solar battery can convert solar energy into
Electric energy, in today that conventional energy resource is in short supply, solar energy has huge application value.Currently, preparing solar energy in world wide
Battery has formed large-scale production with polycrystalline silicon material, and current main technological route has:
The development of solar photovoltaic industry is dependent on the purification to silicon raw material.During being purified to silicon raw material,
There are a crucial, essential links, are exactly oriented solidification purification, used directional solidification skill to silicon raw material
Art is widely used in field of metallurgy purification.Using the segregation coefficient in silicon raw material between silicon and metal impurities, there are larger differences
Silica crucible is slowly pulled out the thermal field of induction coil using water cooling ingot pulling mechanism using Bridgman method by this feature, solidifying
Gu during, the silicon liquid of crucible bottom end is first begin to solidify, to reach fractional condensation balance, silicon of the small impurity of segregation coefficient from solidification
It is middle to be gathered in liquid out to the continuous diffusive separation of liquid, as solidification constantly carries out, concentration of the metal impurities in liquid
It is higher and higher, it is finally solidified on the top of ingot casting, heat preservation for a period of time, makes each ingredient at relatively high temperatures after the completion of solidification
Sufficiently diffusion is finally removed the higher one end of metals content impurity, the polycrystalline silicon ingot casting purified with reaching fractional condensation balance.
Currently, during directional solidification, needing to install protective plate additional to the graphite jig for holding silicon raw material, being to prevent from producing
In the process silicon liquid leakage current, it is unrestrained furnace body is damaged, but existing protective sleeve is frequently with integral structure, it is not easy to assemble,
Remove sundries operation.
Utility model content
The technical problem to be solved by the utility model is to the existing protective sleeve to graphite jig protective effect is often adopted
With integral structure, not easy to assemble, removing sundries operation, it is solidifying that the utility model provides the polysilicon orientation to solve the above problems
Gu set composite.
The utility model is achieved through the following technical solutions:
Polysilicon directional freezing set composite, including substrate, the substrate are equipped with complex protection sleeve, complex protection set
Tubular graphite jig is placed for accommodating in cylinder；The complex protection sleeve includes bottom plate, several curved surface side plates and stop collar, bottom
Plate upper surface is circumferentially arranged with mounting groove, and mounting groove is interior to be equipped with rubber gasket, and the axial bottom end transition of several curved surface side plates is matched
Close it is fixed in insertion mounting groove, and the axial side of two curved surface side plates of arbitrary neighborhood seal against each other agree with make it is whole in cylinder
Shape structure, the columnar structured top side detachable that several curved surface side plates are constituted are arranged stop collar and are fixed；Bottom plate is equipped with cold
But disk, cooler pan with the bottom of graphite jig for contacting.
Utility model works principle are as follows: first graphite jig is put into complex protection sleeve, graphite is added in silicon raw material
In mold, then complex protection sleeve and substrate are placed in burner hearth and are oriented Hirschfeld-Klinger reaction；Wherein complex protection sleeve master
Body is made of bottom plate, several curved surface side plates and stop collar, and bottom plate is the bottom of complex protection sleeve, the side wall of complex protection sleeve
It is spliced to form by several curved surface side plates, it is fixed in the mounting groove after splicing on curved surface side plate bottom cylindrical in shape insertion bottom plate, lead to
It crosses the setting rubber gasket in mounting groove and fastening effect on the one hand is played, simultaneously to curved surface side plate and bottom to multiple curved surface side plates
Plate junction seals, and top sets fixed multiple curved surface side plates by stop collar card, multiple curved surfaces after agreeing with splicing
Side plate is in firm integral structure.Easily easy disassembly complex protection sleeve, convenience carry out complex protection sleeve clear in this way
Except impurity, inspection operation.
Preferably, several curved surface side plates are equipped with the card slot and flange being mutually adapted, and adjacent two along axial side
Curved surface side plate agrees with place in card slot and flange and passes through rubber seal.
By being arranged card slot or flange on the side of each curved surface side plate, two adjacent curved surface side plane contact sides it
Between by card slot and flange splicing adaptation, increase contact cotton knot, and good sealing function played by rubber gasket.
Preferably, the end face of the stop collar towards bottom plate circumferentially offers positioning ring groove, the insertion positioning of curved surface side plate
In annular groove, the positioning ring groove is for blocking the top for setting curved surface side plate.
By opening up positioning ring groove on the bottom face of stop collar, on the one hand multiple curved surface side plates can be played good solid
It is set for using, stop collar is on the other hand also made to be fixed on the top of curved surface side plate, preventing axial movement influences overall stability.
Preferably, symmetrical limiting slot there are two being opened up on the inner wall of the stop collar, the extending direction of limiting slot
It is parallel with the axis direction of stop collar；Two are symmetrically arranged in the top sidewall of the graphite jig to be adapted to the limiting slot
Limited block, the limited block have been equipped with elevator groove.
It is embedded in limiting slot by opening up limiting slot on stop collar inner wall, and by the limited block on graphite jig, to stone
Black mold plays certain fixation, position-limiting action, prevents graphite jig from rotating, moving relative to protection sleeve, influences to heat
Effect.
Preferably, circumferentially arranged with fixed ring on the bottom surface of the cooler pan, the upper face of bottom plate be recessed with it is described solid
Determine the fixation annular groove of ring adaptation, the side wall of the fixed ring is equipped with sealing rubber pad, the sealing rubber pad transition fit pressure
Tightly between fixed ring and fixed annular groove.
Cooler pan is adapted to by fixed ring with fixed annular groove transition fit, realizes that cooler pan is detachable close on bottom plate
Envelope installation.
Preferably, the cooler pan includes discoid shell, and water inlet pipe is protruded into shell and protruded into through the bottom of shell
Partial free end and shell inner top surface are in sealing contact.Water inlet pipe protrudes on the intracorporal pipeline section side wall of shell and opens up several through-holes；Shell
In vivo using water inlet pipe as several heat conduction baffles of center of circle radial distribution, the board direction and shell axis direction of heat conduction baffle are hung down
Directly, the both sides up and down of heat conduction baffle are connected with shell inner bottom surface and top surface respectively；Length of the heat conduction baffle along radiation direction
Less than water inlet pipe outer wall to the linear distance between case inside wall；Several rows are offered along the bottom of sidewall edge in shell
Water hole；The output end of several drainage holes is connected to main sewer.
In use, cooling water is imported by water inlet pipe input terminal, cooling water, which flows into, is located at the intracorporal water inlet pipe pipeline section of shell, leads to
The through-hole crossed on water inlet pipe side wall enters in shell, due to shell by it is multiple radiation arrangement heat conduction baffles be divided into it is multiple
The cooling water flowing lumen of even radiation arrangement, is uniformly distributed into corresponding cooling water flowing lumen, simultaneously after the outflow of cooling water via through holes
It is discharged to the edge flowing of shell finally by drainage hole；Multiple heat conduction baffles considerably increase heat exchange area, and are arranged multiple
Cooling water flowing lumen is also conducive to increase the perturbation action of cooling water flow, improves heat exchange efficiency, therefore cooler pan provided by the present application
Heat transfer effect is good, cooling uniform.
Preferably, the bottom of the shell is equipped with collecting chamber, and the output end of the drainage hole and the input terminal of collecting chamber are led
Logical, the output end of collecting chamber is connected with main sewer.
By the way that collecting chamber is arranged, cooling water is directly entered collecting chamber after the heat exchange being discharged in each drainage hole, ensures water flow
It recycles unimpeded.
Preferably, several traveling wheels are equipped with below the substrate.
Setting traveling wheel is moved easily overall structure disengaging burner hearth.
Preferably, the complex protection sleeve is made of high-temperature steel material, corundum or ceramics.
Preferably, heat conducting cover plate is equipped at the top of the complex protection sleeve, the heat conducting cover plate is equipped with air inlet pipe.
The utility model has the following advantages and benefits:
1, utility model works principle are as follows: first graphite jig is put into complex protection sleeve, stone is added in silicon raw material
In black mold, then complex protection sleeve and substrate are placed in burner hearth and are oriented Hirschfeld-Klinger reaction；Wherein complex protection sleeve
Main body is made of bottom plate, several curved surface side plates and stop collar, and bottom plate is the bottom of complex protection sleeve, the side of complex protection sleeve
Wall is spliced to form by several curved surface side plates, fixed in the mounting groove after splicing on curved surface side plate bottom cylindrical in shape insertion bottom plate,
Fastening effect on the one hand is played to multiple curved surface side plates by the way that rubber gasket is arranged in mounting groove, simultaneously to curved surface side plate and
Back plate connections seal, and top sets fixed multiple curved surface side plates by stop collar card, multiple songs after agreeing with splicing
Surface side plate is in firm integral structure.Easily easy disassembly complex protection sleeve, convenience carry out complex protection sleeve in this way
Remove impurity, inspection operation；
2, the utility model on the side of each curved surface side plate by being arranged card slot or flange, two adjacent curved sides
Plate contacts between side through card slot and flange splicing adaptation, increases contact cotton knot, and play by rubber gasket good
Sealing function.By opening up positioning ring groove on the bottom face of stop collar, on the one hand multiple curved surface side plates can be played good
On the other hand fixed function also makes stop collar be fixed on the top of curved surface side plate, preventing axial movement influences monolithic stability
Property；
3, when the utility model is used, cooling water is imported by water inlet pipe input terminal, cooling water flows into intracorporal positioned at shell
Water inlet pipe pipeline section is entered in shell by the through-hole on water inlet pipe side wall, due to shell by it is multiple radiation arrangement it is thermally conductive every
Plate is divided into the cooling water flowing lumen of multiple homogeneous radiation arrangements, is uniformly distributed after the outflow of cooling water via through holes into corresponding cold
But it water flow cavity and is discharged to the edge flowing of shell finally by drainage hole；Multiple heat conduction baffles considerably increase heat-transfer surface
Product, and multiple cooling water flowing lumens are set and are also conducive to increase the perturbation action of cooling water flow, improve heat exchange efficiency, therefore the application
The cooler pan heat transfer effect of offer is good, cooling uniform.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is that the entirety of the utility model faces cross section structure schematic diagram；
Fig. 2 is the bottom plate overlooking structure diagram of the utility model；
Fig. 3 is that several curved surface side plates of the utility model are connected state radial section structural schematic diagram；
Fig. 4 is the stop collar schematic perspective view of the utility model；
Fig. 5 is that the cooler pan of the utility model faces cross section structure schematic diagram；
Fig. 6 is the shell radial section structural schematic diagram of the utility model cooler pan.
Label and corresponding parts title in attached drawing: 1- substrate, 2- complex protection sleeve, 3- graphite jig, 4- are cooling
Disk, 5- limited block, 6- play elevator groove, 7- fixed ring, the fixed annular groove of 8-, 9- shell, 10- water inlet pipe, 11- heat conduction baffle, 12-
Drainage hole, 13- main sewer, 14- collecting chamber, 15- traveling wheel, 201- bottom plate, 202- curved surface side plate, 203- stop collar, 204-
Mounting groove, 205- card slot, 206- flange, 207- positioning ring groove, 208- limiting slot.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
A kind of polysilicon directional freezing set composite, including substrate 1 are present embodiments provided, the substrate 1 is equipped with multiple
Protection sleeve 2 is closed, is used to accommodate in complex protection sleeve 2 and places tubular graphite jig 3；The complex protection sleeve 2 includes bottom
Plate 201, several curved surface side plates 202 and stop collar 203,201 upper surface of bottom plate is circumferentially arranged with mounting groove 204, mounting groove 204
It is interior to be equipped with rubber gasket, it is fixed in the axial bottom end transition fit insertion mounting groove 204 of several curved surface side plates 202, and any
The axial side of two adjacent curved surface side plates 202, which seals against each other to agree with, makes whole cylindrical structure, several curved surface side plates 202
The columnar structured top side detachable constituted is arranged stop collar 203 and is fixed；Bottom plate 201 is equipped with cooler pan 4, cooler pan 4
For being contacted with the bottom of graphite jig 3.
Embodiment 2
Based on being further improved on the basis of embodiment 1, several curved surface side plates 202 are equipped with along axial side and are mutually adapted
Card slot 205 and flange 206, and two adjacent curved surface side plates 202 agree with place in card slot 205 and flange 206 and pass through rubber pad
Sealing.The stop collar 203 circumferentially offers positioning ring groove 207 towards the end face of bottom plate 201, and the positioning ring groove 207 is used
The top of Yu Kashe curved surface side plate 202；Symmetrical limiting slot 208 there are two being opened up on the inner wall of stop collar 203, limiting slot
208 extending direction is parallel with the axis direction of stop collar 203；Two are symmetrically arranged in the top sidewall of the graphite jig 3
The limited block 5 being adapted to the limiting slot 208, the limited block 5 have been equipped with elevator groove 6.
Embodiment 3
Based on being further improved on the basis of embodiment 2, circumferentially arranged with fixed ring 7, bottom on the bottom surface of the cooler pan 4
The upper face of plate 201 is recessed with the fixation annular groove 8 being adapted to the fixed ring 7, and the side wall of the fixed ring 7 is equipped with sealing
Rubber pad, the sealing rubber pad transition fit are pressed between fixed ring 7 and fixed annular groove 8.
Embodiment 4
Based on being further improved on the basis of embodiment 3, the cooler pan 4 includes discoid shell 9, and water inlet pipe 10 runs through
The free end in shell 9 and protruding into part is protruded into the bottom of shell 9 and 9 inner top surface of shell is in sealing contact.Water inlet pipe 10 protrudes into shell
Several through-holes are opened up on pipeline section side wall in body 9；With water inlet pipe 10 for several heat conduction baffles of center of circle radial distribution in shell 9
11, the board direction of heat conduction baffle 11 is vertical with 9 axis direction of shell, and the both sides up and down of heat conduction baffle 11 are respectively and in shell 9
Bottom surface and top surface connect；Heat conduction baffle 11 is less than the outer wall of water inlet pipe 10 to 9 inner sidewall of shell along the length of radiation direction
Between linear distance；Several drainage holes 12 are offered along the bottom of sidewall edge in shell 9；The output end of several drainage holes 12
It is connected to main sewer 13.The bottom of the shell 9 is equipped with collecting chamber 14, output end and the collecting chamber 14 of the drainage hole 12
Input terminal conducting, the output end and main sewer 13 of collecting chamber 14 are connected.
Embodiment 5
Based on being further improved on the basis of embodiment 1, several traveling wheels 15 are equipped with below the substrate 1；Complex protection
Sleeve 2 is made of high-temperature steel material, corundum or ceramics；Heat conducting cover plate is equipped at the top of complex protection sleeve 2, it is described thermally conductive
Cover board is equipped with air inlet pipe.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (10)
1. polysilicon directional freezing set composite, including substrate (1), which is characterized in that the substrate (1) is equipped with complex protection
Sleeve (2), complex protection sleeve (2) is interior to place tubular graphite jig (3) for accommodating；The complex protection sleeve (2) includes
Bottom plate (201), several curved surface side plates (202) and stop collar (203), bottom plate (201) upper surface is circumferentially arranged with mounting groove
(204), rubber gasket is equipped in mounting groove (204), the axial bottom end transition fit of several curved surface side plates (202) is embedded in installation
It is fixed in slot (204), and the axial side of two curved surface side plates (202) of arbitrary neighborhood seal against each other agree with make it is whole in cylinder
Shape structure, the columnar structured top side detachable that several curved surface side plates (202) are constituted are arranged stop collar (203) and are fixed；Bottom
Plate (201) is equipped with cooler pan (4), and cooler pan (4) with the bottom of graphite jig (3) for contacting.
2. polysilicon directional freezing set composite according to claim 1, which is characterized in that several curved surface side plates (202)
The card slot (205) and flange (206) being mutually adapted are equipped with along axial side, and two adjacent curved surface side plates (202) are in card
Slot (205) and flange (206) agree with place and pass through rubber seal.
3. polysilicon directional freezing set composite according to claim 1, which is characterized in that stop collar (203) court
It is circumferentially offered positioning ring groove (207) to the end face of bottom plate (201), the positioning ring groove (207) sets curved surface side plate for blocking
(202) top.
4. polysilicon directional freezing set composite according to claim 3, which is characterized in that the stop collar (203)
Symmetrical limiting slot (208) there are two being opened up on inner wall, the extending direction of limiting slot (208) and the axis of stop collar (203)
Line direction is parallel；Two limits being adapted to the limiting slot (208) are symmetrically arranged in the top sidewall of the graphite jig (3)
Block (5), the limited block (5) have been equipped with elevator groove (6).
5. polysilicon directional freezing set composite according to claim 1, which is characterized in that the bottom of the cooler pan (4)
Circumferentially arranged with fixed ring (7) on face, the upper face of bottom plate (201) is recessed with the fixation annular groove being adapted to the fixed ring (7)
(8), the side wall of the fixed ring (7) is equipped with sealing rubber pad, and the sealing rubber pad transition fit is pressed on fixed ring (7)
Between fixed annular groove (8).
6. polysilicon directional freezing set composite according to claim 1, which is characterized in that the cooler pan (4) includes
Discoid shell (9), water inlet pipe (10) protrude into shell (9) through the bottom of shell (9) and protrude into free end and the shell of part
Body (9) inner top surface is in sealing contact；Several through-holes are opened up on the pipeline section side wall that water inlet pipe (10) protrudes into shell (9)；In shell (9)
With water inlet pipe (10) for several heat conduction baffles of center of circle radial distribution (11), the board direction of heat conduction baffle (11) and shell (9)
Axis direction is vertical, and the both sides up and down of heat conduction baffle (11) are connected with shell (9) inner bottom surface and top surface respectively；Heat conduction baffle
(11) it is less than the outer wall of water inlet pipe (10) to the linear distance between shell (9) inner sidewall along the length of radiation direction；Shell (9)
The interior bottom along sidewall edge offers several drainage holes (12)；The output end of several drainage holes (12) and main sewer (13) are even
It is logical.
7. polysilicon directional freezing set composite according to claim 6, which is characterized in that the bottom of the shell (9)
Equipped with collecting chamber (14), the output end of the drainage hole (12) is connected with the input terminal of collecting chamber (14), collecting chamber (14) it is defeated
Outlet and main sewer (13) are connected.
8. polysilicon directional freezing set composite according to claim 1, which is characterized in that set below the substrate (1)
There are several traveling wheels (15).
9. polysilicon directional freezing set composite according to claim 1, which is characterized in that the complex protection sleeve
(2) it is made of high-temperature steel material, corundum or ceramics.
10. polysilicon directional freezing set composite according to claim 1, which is characterized in that the complex protection sleeve
(2) top is equipped with heat conducting cover plate, and the heat conducting cover plate is equipped with air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821928233.8U CN209338699U (en) | 2018-11-19 | 2018-11-19 | Polysilicon directional freezing set composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821928233.8U CN209338699U (en) | 2018-11-19 | 2018-11-19 | Polysilicon directional freezing set composite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209338699U true CN209338699U (en) | 2019-09-03 |
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ID=67748962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821928233.8U Active CN209338699U (en) | 2018-11-19 | 2018-11-19 | Polysilicon directional freezing set composite |
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| Country | Link |
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| CN (1) | CN209338699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371464A (en) * | 2018-11-19 | 2019-02-22 | 江苏斯力康科技有限公司 | Produce solar energy polycrystalline silicon device for directionally solidifying |
-
2018
- 2018-11-19 CN CN201821928233.8U patent/CN209338699U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371464A (en) * | 2018-11-19 | 2019-02-22 | 江苏斯力康科技有限公司 | Produce solar energy polycrystalline silicon device for directionally solidifying |
| CN109371464B (en) * | 2018-11-19 | 2023-08-11 | 江苏斯力康科技有限公司 | Directional solidification device for producing solar polycrystalline silicon |
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