CN105603523A - Raw material mixing device for single-crystal furnace - Google Patents
Raw material mixing device for single-crystal furnace Download PDFInfo
- Publication number
- CN105603523A CN105603523A CN201610151351.1A CN201610151351A CN105603523A CN 105603523 A CN105603523 A CN 105603523A CN 201610151351 A CN201610151351 A CN 201610151351A CN 105603523 A CN105603523 A CN 105603523A
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- casing
- raw material
- mixing
- valve
- single crystal
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Classifications
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- 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
-
- 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
- C30B35/00—Apparatus not otherwise provided for, specially adapted for the growth, production or after-treatment of single crystals or of a homogeneous polycrystalline material with defined structure
- C30B35/007—Apparatus for preparing, pre-treating the source material to be used for crystal growth
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The invention relates to a raw material mixing device for a single-crystal furnace. The raw material mixing device comprises a mixing tank body, a rotary spindle, stirring devices, a pressurizing valve and a pressure protection device, wherein the mixing tank body is of a cylinder shape; a feed port and a discharge port are formed at the left and right ends of the mixing tank body respectively; the mixing tank body is placed obliquely and inclines toward one end of the discharge port; the rotary spindle is movably connected in the mixing tank body; one end of the rotary spindle is connected with a motor; three stirring devices are provided and sequentially mounted on the rotary spindle; the pressurizing valve is arranged at the top of the mixing tank body; an overflow channel is formed at the top of the mixing tank body; and the pressure protection device is mounted in the overflow channel. The design has the advantages of simple structure, easiness in production, practicability and high efficiency.
Description
Technical field
Patent of the present invention relates to single crystal growing furnace technical field, and particularly a kind of raw material for single crystal growing furnace mixDevice.
Background technology.
Single crystal growing furnace is that polysilicon is converted into the necessary equipment in monocrystalline silicon technical process, and monocrystalline silicon is photovoltaicBasic material in generating and semicon industry. Monocrystalline silicon is as the critical support material of advanced information society,One of most important monocrystal material in the world at present, it be not only development computer and integrated circuit mainlyFunctional material is also the major function material that photovoltaic generation utilizes solar energy.
Utilizing single crystal growing furnace to need raw material to stir before preparing single crystal growing furnace, and the process stirring needTo under certain pressure, carry out, still in the time that pressure is excessive, be easy to cause the damage of ego structure, andExisting single crystal growing furnace agitating device does not possess the function of pressure protect, protects so design one has pressure oneselfThe single crystal growing furnace mixing arrangement of protective function just seems particularly important.
Summary of the invention
The object of the invention is to play by pressure protective device is set the effect of self-protection, prevent due toMix casing internal pressure excessive and cause the damage of self structure, reduced unnecessary loss; And inventedA kind of raw material mixing arrangement for single crystal growing furnace.
For solving above-mentioned technical problem, the invention provides a kind of raw material for single crystal growing furnace and mix dressPut, comprise
Mix casing, described mixing casing is that open respectively at the two ends, left and right of cylindric, described mixing casingBe provided with charging aperture and discharging opening, described mixing casing is slant setting, and described mixing casing is to discharging openingOne end tilts,
Rotary main shaft, described rotary main shaft is movably connected in and mixes in casing, one of described rotary main shaftEnd is connected with motor,
Agitating device, described agitating device is provided with three, and three described agitating devices are arranged on successivelyOn rotary main shaft,
Pressurization valve, described pressurization valve is opened in the top of mixing casing,
Pressure protective device, the top of described mixing casing offers overflow ducts, described pressure protectDevice is arranged in overflow ducts.
Further: described agitating device comprises three rotations fulcrum, colter and baffle plates, and described three revolveThe one end that turns fulcrum is fixedly connected on rotary main shaft, and the other end of three described rotation fulcrums is respectively connected withA baffle plate, is all connected with two colters on every described rotation fulcrum, and two described colters are staggered to be connectedBe connected on the both sides of corresponding rotation fulcrum.
Further again: between the adjacent two rotation fulcrums in described same agitating device, to be 120 ° of foldersAngle.
Further again: the height of described mixing casing upper feeding mouth is higher than the height of discharging opening.
Further again: the angle of inclination of described mixing casing is 10 ° to 15 °.
Further again: described pressure protective device comprises valve cylinder, valve gap, spool and spring, described valveCylinder is arranged in overflow ducts, and described spool is movably connected in one end of valve cylinder, and described spool is just rightThe inner space of mixing casing, described valve gap is arranged on the other end of valve cylinder, and described spool passes through bulletSpring is connected with valve gap, is also provided with baffle plate between described spring and valve gap, described baffle plate and valve gap activityConnect, on the sidewall of described valve cylinder, offer discharge orifice, described discharge orifice is by overflow ducts and the external worldAtmosphere is connected.
Further again: the arranged outside of described valve gap one end has external connection screw, described be connected with valve gapIn being provided with in one end of valve cylinder, connect screw thread, described external connection screw with in connect screw thread and match.
Adopt the effect of playing self-protection after said structure by pressure protective device is set, prevent due toMix casing internal pressure excessive and cause the damage of self structure, reduced unnecessary loss; And it alsoHave advantages of simple in structure, be easy to manufacture and practicality and high efficiency.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of pressure protective device.
Detailed description of the invention
A kind of raw material mixing arrangement for single crystal growing furnace as shown in Figure 1, comprises and mixes casing 1, rotationMain shaft 4, agitating device, pressurization valve 7 and pressure protective device, described mixing casing 1 is cylindric,The two ends, left and right of described mixing casing 1 offer respectively charging aperture 2 and discharging opening 3, described mixing casing1 is slant setting, and described mixing casing 1 tilts to discharging opening one end, described movable company of rotary main shaft 4Be connected on and mix in casing 1, one end of described rotary main shaft 4 is connected with motor, and described agitating device is establishedBe equipped with three, three described agitating devices are arranged on rotary main shaft 4 successively, described pressurization valve 7Be opened in the top of mixing casing 1, the top of described mixing casing 1 offers overflow ducts, describedPressure protective device is arranged in overflow ducts; The height of described mixing casing 1 upper feeding mouth 2 is higher than going outThe height of material mouth 3, the angle of inclination of described mixing casing 1 is 10 ° to 15 °. When work, needsThe raw material that mix are poured into and are mixed in casing 1 by charging aperture 2, then sealed feed inlet 2 and discharging opening 3,Starter motor makes it be rotated with rotary main shaft 4, and three agitating devices are under the drive of rotary main shaft 4Can together rotate, thereby utilize three agitating devices to be uniformly mixed raw material, meanwhile by addingPressure valve 7 pressurizes to mixing casing 1, is obliquely installed, so raw material owing to mixing casing 1In the process stirring, can move to discharging opening 3 along mixing casing 1, the present invention realizes by said structureStir process in raw material are transported, greatly improved its operating efficiency; And pass throughThe effect that pressure protective device plays self-protection is set, prevents owing to mixing excessive the making of casing internal pressureBecome the damage of self structure, reduced unnecessary loss.
Agitating device as shown in Figure 1 comprises three rotations fulcrum 5, colter 6 and baffle plates, and described three revolveThe one end that turns fulcrum 5 is fixedly connected on rotary main shaft 4, and the other end of three described rotation fulcrums 5 is eachBe connected with a baffle plate, on every described rotation fulcrum 5, be all connected with two colters 6, two described ploughsCutter 6 is cross-linked at the both sides of corresponding rotation fulcrum 5, adjacent two in described same agitating deviceBetween root rotation fulcrum 5, be 120 ° of angles. In the process that rotary main shaft 4 is rotated under the drive of motor,In three agitating devices, three rotation fulcrums 5 all can follow rotary main shaft 4 together to rotate, and utilization is crisscross arrangedColter 6 raw material are uniformly mixed, and the raw material of bulk under the effect of colter 6 can occurFragmentation, thus make the more fully complete of raw material mixing.
Pressure protective device as shown in Figure 2 comprises valve cylinder 8, valve gap 11, spool 9 and spring 10, described inValve cylinder 8 be arranged in overflow ducts, described spool 9 is movably connected in one end of valve cylinder 8, described inSpool 9 just to mixing the inner space of casing 1, described valve gap 11 is arranged on the other end of valve cylinder 8,Described spool 9 is connected with valve gap 11 by spring 10, between described spring 10 and valve gap 11, also establishesBe equipped with baffle plate 12, described baffle plate 12 is flexibly connected with valve gap 11, on the sidewall of described valve cylinder 8, offersHave discharge orifice 15, described discharge orifice 15 is connected with ambient atmosphere by overflow ducts; Described valve gapThe arranged outside of 11 one end has external connection screw, in one end of the described valve cylinder 8 being connected with valve gap 11, is provided withInside connect screw thread, described external connection screw with in connect screw thread and match. In the time that the pressure in mixing casing 1 is excessive,The high pressure gas of mixing in casing 1 is known from experience promotion spool 9 extrusion springs 10, when the motion earial drainage along with spool 9When hole 15 is connected with the inner space of mixing casing 1, the atmosphere mixing in casing 1 can be along discharge orifice 15Run out of with overflow ducts, thereby reduce the air pressure mixing in casing 1, when the reduction along with air pressure, pressurizedSpring 10 can stop up discharge orifice 15 by reverse push movable valve plug 9 again, and the air pressure now mixing in casing 1 will can notContinue to decline. The design plays the effect of self-protection by pressure protective device is set, prevent due to mixedMould assembling body internal pressure is excessive and cause the damage of self structure, has reduced unnecessary loss; And canBy external connection screw with in connect screw thread coordinate regulate valve gap 11 stretch into the length in valve cylinder 8, thereby to spring10 pretightning force regulates, its also have advantages of simple in structure, be easy to manufacture and practicality and high efficiency.
Claims (7)
1. for a raw material mixing arrangement for single crystal growing furnace, it is characterized in that: comprise
Mix casing (1), described mixing casing (1) is cylindric, described mixing casing (1)Two ends, left and right offer respectively charging aperture (2) and discharging opening (3), and described mixing casing (1) is inclinationPlace, described mixing casing (1) tilts to discharging opening one end,
Rotary main shaft (4), described rotary main shaft (4) is movably connected in and mixes in casing (1), described inOne end of rotary main shaft (4) be connected with motor,
Agitating device, described agitating device is provided with three, and three described agitating devices are arranged on successivelyRotary main shaft (4) is upper,
Pressurization valve (7), described pressurization valve (7) is opened in the top of mixing casing (1),
Pressure protective device, the top of described mixing casing (1) offers overflow ducts, described pressureProtective device is arranged in overflow ducts.
2. a kind of raw material mixing arrangement for single crystal growing furnace according to claim 1, its feature existsComprise three rotation fulcrums (5), colter (6) and baffle plate in: described agitating device, described threeIt is upper that one end of rotation fulcrum (5) is fixedly connected on rotary main shaft (4), and described three are rotated the another of fulcrums (5)One end is respectively connected with a baffle plate, on described every rotation fulcrum (5), is all connected with two colters (6),Described two colters (6) are cross-linked the both sides at corresponding rotation fulcrum (5).
3. a kind of raw material mixing arrangement for single crystal growing furnace according to claim 2, its feature existsIn: between the adjacent two rotation fulcrums (5) in described same agitating device, be 120 ° of angles.
4. a kind of raw material mixing arrangement for single crystal growing furnace according to claim 1, its feature existsIn: the height of described mixing casing (1) upper feeding mouth (2) is higher than the height of discharging opening (3).
5. mix dress according to a kind of raw material for single crystal growing furnace described in any one in claim 1 or 4Put, it is characterized in that: the angle of inclination of described mixing casing (1) is 10 ° to 15 °.
6. a kind of raw material mixing arrangement for single crystal growing furnace according to claim 1, its featureBe: described pressure protective device comprises valve cylinder (8), valve gap (11), spool (9) and spring (10),Described valve cylinder (8) is arranged in overflow ducts, and described spool (9) is movably connected in one end of valve cylinder (8)In, described spool (9) is just to mixing the inner space of casing (1), and described valve gap (11) is arranged on valveOn the other end of cylinder (8), described spool (9) is connected with valve gap (11) by spring (10), described bulletBetween spring (10) and valve gap (11), be also provided with baffle plate (12), described baffle plate (12) and valve gap (11) activityConnect, on the sidewall of described valve cylinder (8), offer discharge orifice (15), described discharge orifice (15) is by overflowingCirculation road is connected with ambient atmosphere.
7. a kind of raw material mixing arrangement for single crystal growing furnace according to claim 6, its feature existsIn: the arranged outside of described valve gap (11) one end has external connection screw, described and valve gap (11) phaseIn being provided with in the one end of valve cylinder (8) connecting, connect screw thread, described external connection screw with in connect screw thread and match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610151351.1A CN105603523A (en) | 2016-03-16 | 2016-03-16 | Raw material mixing device for single-crystal furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610151351.1A CN105603523A (en) | 2016-03-16 | 2016-03-16 | Raw material mixing device for single-crystal furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105603523A true CN105603523A (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610151351.1A Pending CN105603523A (en) | 2016-03-16 | 2016-03-16 | Raw material mixing device for single-crystal furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109208074A (en) * | 2018-10-12 | 2019-01-15 | 徐州华奥纺织有限公司 | A kind of single crystal growing furnace pressurizing device |
| CN109252222A (en) * | 2018-10-16 | 2019-01-22 | 徐州振丰原喷灌设备有限公司 | A kind of raw material mixing arrangement for single crystal growing furnace |
| CN111996588A (en) * | 2020-07-16 | 2020-11-27 | 大同新成新材料股份有限公司 | Pressure release type semiconductor graphite crucible |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07218139A (en) * | 1994-02-03 | 1995-08-18 | Tamagawa Mach Kk | Horizontal agitator |
| CN202169151U (en) * | 2011-07-06 | 2012-03-21 | 彭德权 | Mixing and stirring machine |
| CN203227487U (en) * | 2013-03-12 | 2013-10-09 | 李世祥 | Novel stirring reaction device |
| CN203370483U (en) * | 2013-07-12 | 2014-01-01 | 佛山市三水灏诚合成树脂有限公司 | Single-shaft high-speed dispersion machine |
| CN204051553U (en) * | 2014-08-07 | 2014-12-31 | 丹阳市佳美化工有限公司 | A kind of agricultural chemicals pressure mixed stirring device |
| CN204699781U (en) * | 2015-06-15 | 2015-10-14 | 四川省眉山益稷农业科技有限公司 | A kind of fertilizer cylinder granulation dispensing apparatus |
| CN204799143U (en) * | 2015-04-13 | 2015-11-25 | 林丽玲 | Mixed mixer of pressure with join in marriage liquid device |
-
2016
- 2016-03-16 CN CN201610151351.1A patent/CN105603523A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07218139A (en) * | 1994-02-03 | 1995-08-18 | Tamagawa Mach Kk | Horizontal agitator |
| CN202169151U (en) * | 2011-07-06 | 2012-03-21 | 彭德权 | Mixing and stirring machine |
| CN203227487U (en) * | 2013-03-12 | 2013-10-09 | 李世祥 | Novel stirring reaction device |
| CN203370483U (en) * | 2013-07-12 | 2014-01-01 | 佛山市三水灏诚合成树脂有限公司 | Single-shaft high-speed dispersion machine |
| CN204051553U (en) * | 2014-08-07 | 2014-12-31 | 丹阳市佳美化工有限公司 | A kind of agricultural chemicals pressure mixed stirring device |
| CN204799143U (en) * | 2015-04-13 | 2015-11-25 | 林丽玲 | Mixed mixer of pressure with join in marriage liquid device |
| CN204699781U (en) * | 2015-06-15 | 2015-10-14 | 四川省眉山益稷农业科技有限公司 | A kind of fertilizer cylinder granulation dispensing apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109208074A (en) * | 2018-10-12 | 2019-01-15 | 徐州华奥纺织有限公司 | A kind of single crystal growing furnace pressurizing device |
| CN109252222A (en) * | 2018-10-16 | 2019-01-22 | 徐州振丰原喷灌设备有限公司 | A kind of raw material mixing arrangement for single crystal growing furnace |
| CN111996588A (en) * | 2020-07-16 | 2020-11-27 | 大同新成新材料股份有限公司 | Pressure release type semiconductor graphite crucible |
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Application publication date: 20160525 |
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