CN208485606U - A kind of plug-in silicon core assembly - Google Patents
A kind of plug-in silicon core assembly Download PDFInfo
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- CN208485606U CN208485606U CN201821020887.0U CN201821020887U CN208485606U CN 208485606 U CN208485606 U CN 208485606U CN 201821020887 U CN201821020887 U CN 201821020887U CN 208485606 U CN208485606 U CN 208485606U
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Abstract
The utility model discloses a kind of plug-in silicon core assemblies, it includes the two vertical silicon cores and a horizontally arranged silicon core crossbeam of vertical direction parallel interval setting, the silicon core crossbeam is overlapped between the top of described two vertical silicon cores, inverse u shape structure is integrally formed, the silicon core crossbeam uses that whole silicon materials cutting forms and " ten " font structure is in its cross section, the vertical silicon core includes two silicon core monomers of separate structure, the silicon core monomer uses that whole silicon materials cutting forms and " ∟ is in its cross section " type structure, and it is spaced apart and sets there are two card slot on the side of bottom on the silicon core crossbeam, the bending part of two silicon core monomers is caught in card slot and connects vertical silicon core with silicon core crossbeam.Above-mentioned plug-in silicon core assembly intensity is high, and shove charge is convenient, is not easily broken, the probability of falling furnace is small.Whole silicon core assembly made of clamping is light-weight, and surface area is big, and difficulty of processing is small and at low cost.
Description
Technical field
The utility model belongs to polycrystalline silicon raw material processing technology, more particularly, to a kind of plug-in silicon core assembly.
Background technique
Due to the fast development of photovoltaic industry, the demand growth of high-purity polycrystalline silicon raw material is swift and violent, and production is more both at home and abroad at present
It is all the hydrogen reduction of trichlorosilane that the technique of crystal silicon raw material is most of, i.e. improved Siemens, improved Siemens or other classes
Capital equipment like method production major diameter polysilicon is polycrystalline silicon reducing furnace, by three circles first in polycrystalline silicon reducing furnace
Or rectangular silicon core is overlapped to form inverted U, is electrified on elongated silicon core, keeps the heating of silicon core rubescent, until surface temperature reaches
To 1050-1100 degrees Celsius, it is passed through high-purity trichlorosilane and hydrogen, makes it that hydrogen reduction reaction occur at high temperature, makes trichlorine
Silicon packing of molecules in hydrogen silicon increases its diameter constantly on silicon core, in general, the diameter of silicon core is at 7-15 millimeters, it can
To be that circle is also possible to square or other shapes, diameter is set constantly to increase to 120-200 eventually by hydrogen reduction reaction
Millimeter, produces the polycrystalline silicon raw material stick of high-purity solar level 6N or electron level 11N, recycles CZ czochralski crystal growing furnace to draw after being crushed
Monocrystal rod is made, or casts polysilicon silicon ingot using polycrystalline silicon ingot or purifying furnace.
The preparation method of existing silicon core has two kinds, and traditional method is to use CZ method (melting czochralski method in area), and production efficiency is low, electric power
Consumption is big, and equipment investment is big.Another kind is to use diamond tool patterning method, using the numerical-control polysilicon silicon for using diamond fretsaw
Multiline cutting machine or similar devices, the preparation for silicon core.By being existed using the finer wire line that upper diamond particle is electroplated
It is moved back and forth at high speed on workpiece to be machined or unidirectional mobile, diameter 100-300mm silicon rod is pressed in the lathe diamond wire
On the rectangular gauze for intersecting composition, so that the silicon rod to be cut into elongated rectangular silicon core, power consumption is small, high in machining efficiency.
This inverted U for being used for polysilicon CVD polycrystalline silicon reducing furnace overlapped silicon core assembly is usually referred to as " silicon core
Component ".The prior art is when overlapping silicon core assembly, the round silicon core for being 8-10mm usually using diameter, or use 7*7~
The rectangular silicon core of 15*15mm.During CVD reduction reaction, the silicon materials for reacting generation are constantly deposited on silicon wicking surface, silicon core
Surface area can be increasing, reaction gas can also increase with it the collision opportunity and quantity of silicon wicking surface.Work as unit area
Deposition rate it is constant when, silicon wicking surface product it is bigger, the unit time production polysilicon weight it is also more.So more to improve
The yield of crystal silicon unit time improves the surface area of initial silicon core assembly, the yield of polysilicon not only can be improved, meanwhile, by
In the shortening in reaction time, production cost can also be greatly reduced.But use usually used solid circles silicon core or side
Shape silicon core, the application of large-diameter circular or rectangular silicon core, although the production cost of polysilicon can be significantly reduced, silicon core
The production cost is very high, and since the weight of silicon core increases, the increasing of the weight of silicon core causes silicon core weight in polysilicon product
In weight accounting it is increasing, seriously affect the purity of silicon materials.
So the technical staff of every country is being dedicated to researching and developing the big and light-weight polycrystalline silicon core of surface area more,
But the disadvantage that the generally existing difficulty of processing of silicon core assembly in the prior art is big and at high cost.
Utility model content
The purpose of this utility model is to provide a kind of plug-in silicon core assemblies, are deposited with solving silicon core assembly in the prior art
Difficulty of processing greatly and problem at high cost.
For this purpose, the utility model uses following technical scheme:
A kind of plug-in silicon core assembly comprising the two vertical silicon cores and a level of vertical direction parallel interval setting
The silicon core crossbeam of direction setting, the silicon core crossbeam are overlapped between the top of described two vertical silicon cores, and inverted " u " is integrally formed
Type structure, wherein the silicon core crossbeam uses that whole silicon materials cutting forms and " ten " font structure is in its cross section, including
Mutually perpendicular four sides, the vertical silicon core include two silicon core monomers of separate structure, and the silicon core monomer is using whole
The silicon materials cutting of body forms and its cross section Wei " ∟ " type structure, including mutually perpendicular two sides, and the silicon core is horizontal
It is spaced apart and sets there are two card slot on the side of bottom on beam, the bending part of two silicon core monomers is caught in vertical silicon in card slot
Core is connected with silicon core crossbeam.
Particularly, described two card slots are using the center of the side as symmetric points symmetry arrangement.
Particularly, the side wall of described two card slots is the straight of the vertical bending part setting of cooperation two sides of silicon core monomer
Corner structure.
Particularly, the outer right angle alignment of the bending part of the two silicon core monomer becomes placed against, and being formed whole is in " ten " word
The structure of type, cooperating the bottom end of every vertical silicon core in setting on electrode for reduction furnace, there are four spiral shells in graphite clamping petal, a graphite
Line tapered sleeve and a graphite external screw thread tapered sleeve, four graphite clamping petals are located in the graphite internal screw thread tapered sleeve, two silicon core monomers
Alignment and its bottom end are inserted into four graphite clamping petals that graphite external screw thread tapered sleeve is tightened against graphite internal screw thread tapered sleeve internal locking is vertical
The bottom end of silicon core.
Particularly, the inside of the graphite clamping petal includes two mutually perpendicular vertical planes, and lateral surface is up-small and down-big
Tapered surface, two adjacent sides of the vertical silicon core are bonded with two vertical planes limits graphite clamping petal.
It particularly, include two big graphite clamping petal and two small graphite clamping petals, the great Shi in four graphite clamping petals
The size of black card valve is greater than the size of two small graphite clamping petals, and two big graphite clamping petal is diagonally positioned, two small graphite clampings
Valve is diagonally positioned.
Particularly, 20~100mm of width range of the cross section of the silicon core crossbeam and vertical silicon core, 1~8mm of thickness it
Between, the length range of silicon core crossbeam is 100-500mm, and the length range of vertical silicon core is 1500-4000mm.
The beneficial effects of the utility model are that the plug-in silicon core assembly is cut using whole compared with prior art
It cuts, intensity is high, and shove charge is convenient, is not easily broken, the probability of falling furnace is small.Whole silicon core assembly made of clamping is light-weight,
Surface area is big, and difficulty of processing is small and at low cost.
Detailed description of the invention
Fig. 1 is the explosive view for the plug-in silicon core assembly that specific embodiment of the present invention provides；
Fig. 2 is the assembling schematic diagram for the plug-in silicon core assembly that specific embodiment of the present invention provides；
Fig. 3 is the front view for the plug-in silicon core assembly that specific embodiment of the present invention provides；
Fig. 4 is the sectional view in Fig. 3 at A-A.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
Shown in please referring to Fig.1 to Fig.4, it includes between vertical direction is parallel that a kind of plug-in silicon core assembly is provided in the present embodiment
Two vertical silicon are overlapped in every the two vertical silicon cores 1 and a horizontally arranged silicon core crossbeam 2, silicon core crossbeam 2 of setting
Between the top of core 1, it is integrally formed inverse u shape structure, the width range 20 of the cross section of silicon core crossbeam 2 and vertical silicon core 1~
Between 100mm, 1~8mm of thickness, the length range of silicon core crossbeam 2 is 100-500mm, and the length range of vertical silicon core 1 is
1500-4000mm。
Silicon core crossbeam 2 uses that whole silicon materials cutting forms and " ten " font structure is in its cross section, including hangs down mutually
Four straight sides, the width and thickness of four sides is all the same, with its center on the side of bottom on silicon core crossbeam 2
Offer two card slots 3 for symmetrical point symmetry, card slot 3 to open up depth equal with the width of the side.
Vertical silicon core 1 includes two silicon core monomers 4 of separate structure, silicon core monomer 4 using whole silicon materials cutting and
At and its cross section Wei " ∟ " type structure, including mutually perpendicular two sides, the width and thickness of two side is all the same,
The outer right angle alignment of the bending part of two silicon core monomers 4, which is adjacent to be caught in card slot 3, connects vertical silicon core 1 and silicon core crossbeam 2, i.e.,
Two silicon core monomers 4 are in setting back-to-back, and the outer right-angle side alignment of the two sticks together, and final two root cutting enters card slot 3
Silicon core monomer 4 forms the whole structure in " ten " font.
In order to improve the reliability that vertical silicon core 1 and silicon core crossbeam 2 are clamped, the side wall of two card slots 3 is cooperation
The right-angle structure of the joint setting of the two neighboring side of vertical silicon core 1, can make two sides adjacents of vertical silicon core 1 in this way
The root on side is fitted closely with card slot 3.
Cooperating the bottom end of every vertical silicon core 1 in setting on electrode for reduction furnace, there are four spiral shells in graphite clamping petal, a graphite
Line tapered sleeve 5 and a graphite external screw thread tapered sleeve 6 include two big graphite clamping petal 7 and two small graphite clampings in four graphite clamping petals
Valve 8, the size of the big graphite clamping petal 7 is greater than the size of two small graphite clamping petal 8, and two big graphite clamping petal 7 is in diagonally to set
It sets, two small graphite clamping petal 8 is diagonally positioned.Four graphite clamping petals are located in the graphite internal screw thread tapered sleeve 5, vertical silicon core 1
Bottom end be inserted into four graphite clamping petals graphite external screw thread tapered sleeve 6 be tightened against the vertical silicon core 1 of 5 internal locking of graphite internal screw thread tapered sleeve
Bottom end.The inside of big graphite clamping petal 7 and two small graphite clamping petal 8 includes two mutually perpendicular vertical planes 9, and lateral surface is
Up-small and down-big tapered surface 10, two adjacent sides of vertical silicon core 1 are bonded with two vertical planes 9 limits graphite clamping petal
Position.
The clamping structure of above-mentioned plug-in silicon core assembly is relatively easy, under the premise of guaranteeing connection reliability, reduces
Difficulty of processing and processing cost.
Above embodiments only elaborate the basic principles and features of the present invention, and the utility model is not by above-mentioned example
Limitation, on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes, these changes
Change and change is fallen within the scope of the claimed invention.The utility model requires protection scope is wanted by appended right
Ask book and its equivalent thereof.
Claims (7)
1. a kind of plug-in silicon core assembly comprising two vertical silicon cores of vertical direction parallel interval setting and a level side
To the silicon core crossbeam of setting, the silicon core crossbeam is overlapped between the top of described two vertical silicon cores, and inverse u shape is integrally formed
Structure, which is characterized in that the silicon core crossbeam uses that whole silicon materials cutting forms and " ten " font structure is in its cross section,
Including mutually perpendicular four sides, the vertical silicon core includes two silicon core monomers of separate structure, and the silicon core monomer is adopted
Formed with whole silicon materials cutting and its cross section Wei " ∟ " type structure, including mutually perpendicular two sides, and the silicon
It is spaced apart and sets there are two card slot on the side of bottom on core crossbeam, the bending part of two silicon core monomers is caught in card slot and will erect
Straight silicon core is connected with silicon core crossbeam.
2. plug-in silicon core assembly according to claim 1, which is characterized in that described two card slots are with the center of the side
For symmetric points symmetry arrangement.
3. plug-in silicon core assembly according to claim 1, which is characterized in that the side wall of described two card slots is cooperation
The right-angle structure of the vertical bending part setting of two sides of silicon core monomer.
4. plug-in silicon core assembly according to claim 1-3, which is characterized in that the two silicon core monomer
The outer right angle alignment of bending part becomes placed against, formed it is whole be in " ten " font structure, cooperate the bottom end of every vertical silicon core in
There are four graphite clamping petal, a graphite internal screw thread tapered sleeve and a graphite external screw thread tapered sleeve, four stones for setting on electrode for reduction furnace
Black card valve is located in the graphite internal screw thread tapered sleeve, by stone in four graphite clamping petals of two silicon core monomer alignment and the insertion of its bottom end
Black external screw thread tapered sleeve is tightened against the bottom end of the vertical silicon core of graphite internal screw thread tapered sleeve internal locking.
5. plug-in silicon core assembly according to claim 4, which is characterized in that the inside of the graphite clamping petal includes two
Mutually perpendicular vertical plane, lateral surface are up-small and down-big tapered surface, and two adjacent sides of the vertical silicon core are perpendicular with two
Fitting is faced directly to limit graphite clamping petal.
6. plug-in silicon core assembly according to claim 4, which is characterized in that include two in four graphite clamping petals
Big graphite clamping petal and two small graphite clamping petals, the size of the big graphite clamping petal are greater than the size of two small graphite clamping petals, and two
A big graphite clamping petal is diagonally positioned, and two small graphite clamping petals are diagonally positioned.
7. plug-in silicon core assembly according to claim 1, which is characterized in that the cross of the silicon core crossbeam and vertical silicon core
Between the 20~100mm of width range in section, 1~8mm of thickness, the length range of silicon core crossbeam is 100-500mm, vertical silicon core
Length range be 1500-4000mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821020887.0U CN208485606U (en) | 2018-06-28 | 2018-06-28 | A kind of plug-in silicon core assembly |
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| CN201821020887.0U CN208485606U (en) | 2018-06-28 | 2018-06-28 | A kind of plug-in silicon core assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545747A (en) * | 2018-06-28 | 2018-09-18 | 江阴兰雷新能源科技有限公司 | A kind of plug-in silicon core assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545747A (en) * | 2018-06-28 | 2018-09-18 | 江阴兰雷新能源科技有限公司 | A kind of plug-in silicon core assembly |
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