CN203462173U - Continuous feeding device for single crystal furnace - Google Patents

Continuous feeding device for single crystal furnace Download PDF

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Publication number
CN203462173U
CN203462173U CN201320531636.XU CN201320531636U CN203462173U CN 203462173 U CN203462173 U CN 203462173U CN 201320531636 U CN201320531636 U CN 201320531636U CN 203462173 U CN203462173 U CN 203462173U
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CN
China
Prior art keywords
carrier pipe
pipe
feeding
feed bin
lifting
Prior art date
Application number
CN201320531636.XU
Other languages
Chinese (zh)
Inventor
边志坚
马辉东
赵京通
武建刚
杜彦玲
宋金宏
李润飞
王瑞贤
侯颖
Original Assignee
河北晶龙阳光设备有限公司
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Publication date
Application filed by 河北晶龙阳光设备有限公司 filed Critical 河北晶龙阳光设备有限公司
Priority to CN201320531636.XU priority Critical patent/CN203462173U/en
Application granted granted Critical
Publication of CN203462173U publication Critical patent/CN203462173U/en

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Abstract

The utility model relates to a continuous feeding device for a single crystal furnace. The continuous feeding device comprises a bunker device and a conveying device and is characterized by further comprising a bunker lifting device, wherein the bunker device is fixed on the bunker lifting device, the conveying device is fixed on a furnace cover in a manner of forming an acute angle with a vertical direction, a discharging hole of the conveying device is arranged in a furnace body, a feeding hole of the conveying device is arranged outside the furnace body, a discharging hole of the bunker device is provided with a bunker conveying pipe, and is communicated with the feeding hole of the conveying device through a vacuum isolating valve. The continuous feeding device has the beneficial effects that because the bunker device, the conveying device and the bunker lifting device are arranged, the storage, weighing and conveying of a silicon material can be independently realized without secondarily opening the furnace, silicon materials of different weights can be accurately fed, and can be circularly fed for multiple times, thus the work efficiency is greatly increased, and the production cost is lowered.

Description

A kind of single crystal growing furnace continuous feeding
Technical field
The utility model relates to the inner feeding device of single crystal growing furnace, especially a kind of single crystal growing furnace continuous feeding.
Background technology
At present, aggravation along with silica-based battery product market competition, the production cost of silicon single crystal must continue to reduce and could in market competition, occupy a tiny space, increase single charging capacity and be and reduce costs one of the most maneuverable method, this just need to again feed in raw material to improve single stove charging capacity and production efficiency after melting by silicon material in crucible.The feed way again adopting at present generally feeds in raw material in 20Kg, needs secondary to open furnace chamber and realizes, and exists silicon material to pollute and operational risk, and reinforced weight can only disposablely all complete, and there is no metered charge function, and production efficiency is reduced.
Utility model content
The purpose of this utility model is to provide and a kind ofly without secondary blow-on, can independently realizes the single crystal growing furnace continuous feeding that silicon material is stored, weighed, carries.
In order to complete above-mentioned purpose, the technical solution adopted in the utility model is:
A kind of single crystal growing furnace continuous feeding, comprise bin device and feeding device, also comprise feed bin lifting device, described bin device is fixed on feed bin lifting device, described feeding device and vertical direction are acute angle and are fixed on bell, the discharge port of feeding device is arranged in body of heater, and the feeding mouth of feeding device is arranged on outside body of heater, and the discharge port of bin device is provided with feed bin carrier pipe and is connected by vacuum separation valve with the feeding mouth of feeding device.
Described bin device comprises feed bin guard shield, feed bin and Weighing device, Weighing device be arranged on feed bin under, feed bin and Weighing device are sleeved in feed bin guard shield, the bottom discharge mouth place of feed bin is provided with the feed bin carrier pipe of vertical direction, in described feed bin carrier pipe, interlocks and is provided with a plurality of downward-sloping buffering catch successively from top to bottom.
Described feeding device comprises carrier pipe in stove, carrier pipe lifting device and material pipe protective cover, in described stove, carrier pipe and carrier pipe lifting device are sleeved in material pipe protective cover, the carrier pipe that in described stove, carrier pipe is closed at both ends, the opening that in stove, carrier pipe is provided with side discharge method on sidewall is as discharge port, the feed-pipe that the sidewall of described material pipe protective cover is provided with vertical direction is as feeding mouth, the upper end of feed-pipe is connected with vacuum separation valve, the lower end of feed-pipe is connected with the discharge port of carrier pipe in stove, in described feed-pipe, interlock and be provided with a plurality of downward-sloping buffering catch successively from top to bottom, carrier pipe lifting device be fixed on material pipe protective cover top and with stove in the upper end of carrier pipe be connected, in described stove, carrier pipe can move up and down under the traction of carrier pipe lifting device in material pipe protective cover.
Described carrier pipe lifting device comprises the winder that is fixed on material pipe protective cover top and the wireline that connects carrier pipe in stove, and in one end of wireline and stove, the upper end of carrier pipe fixes, and the other end and winder fix.
The sidewall of described feed bin and feed bin carrier pipe is bilayer structure, and internal layer is high purity quartz or silicon single crystal lining.
Described feed bin lifting device is electronic screw rod transmission.
The beneficial effects of the utility model are: owing to being provided with bin device, feeding device and feed bin lifting device, without secondary blow-on can independently realize silicon material storage, weigh, carry, also can realize the accurately reinforced of Different Weight, can repeatedly circulate and feed intake, greatly improve working efficiency, reduced production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of bin device in Fig. 1.
Fig. 3 is the structural representation of feeding device in Fig. 1.
In figure, 1, bin device, 2, feeding device, 3, feed bin lifting device, 4, feed bin carrier pipe, 5, vacuum separation valve, 6, feed bin guard shield, 7, feed bin, 8, Weighing device, 9, buffering catch, 10, carrier pipe in stove, 11, carrier pipe lifting device, 12, material pipe protective cover, 13, feed-pipe.
Embodiment
The utility model is a kind of single crystal growing furnace continuous feeding, owing to being provided with bin device, feeding device and feed bin lifting device, without secondary blow-on can independently realize silicon material storage, weigh, carry, also can realize the accurately reinforced of Different Weight, can repeatedly circulate and feed intake, greatly improve working efficiency, reduced production cost.
Below in conjunction with accompanying drawing, the utility model is described further.
Specific embodiment, as shown in Figure 1 to Figure 3, a kind of single crystal growing furnace continuous feeding, comprise bin device 1 and feeding device 2, also comprise feed bin lifting device 3, described bin device 1 is fixed on feed bin lifting device 3, thereby it is convenient reinforced that bin device 1 can be moved up and down on feed bin lifting device 3, described feeding device 2 is acute angle with vertical direction and is fixed on bell, the discharge port of feeding device 2 is arranged in body of heater, the feeding mouth of feeding device 2 is arranged on outside body of heater, the discharge port of bin device 1 is provided with feed bin carrier pipe 4 and is connected by vacuum separation valve 5 with the feeding mouth of feeding device 2, silicon materials can be entered in feeding device 2 through feed bin carrier pipe 4 from bin device 1 is interior under action of gravity, in feeding device 2, enter the interpolation that completes material in body of heater again.
Described bin device 1 comprises feed bin guard shield 6, feed bin 7 and Weighing device 8, Weighing device 8 be arranged on feed bin 7 under, can realize the on-line measurement of material to reach the object of accurate control amount, feed bin 7 and Weighing device 8 are sleeved in feed bin guard shield 6, the bottom discharge mouth place of feed bin 7 is provided with the feed bin carrier pipe 4 of vertical direction, in described feed bin carrier pipe 4, interlock and be provided with a plurality of downward-sloping buffering catch 9 successively from top to bottom, can make silicon materials be cushioned when feed bin 7 falls, the sidewall of feed bin 7 and feed bin carrier pipe 4 is bilayer structure, internal layer is high purity quartz or silicon single crystal lining, avoided the pollution causing of other materials.
Described feeding device 2 comprises carrier pipe 10 in stove, carrier pipe lifting device 11 and material pipe protective cover 12, in described stove, carrier pipe 10 and carrier pipe lifting device 11 are sleeved in material pipe protective cover 12, the carrier pipe that in described stove, carrier pipe 10 is closed at both ends, the opening that in stove, carrier pipe 10 is provided with side discharge method on sidewall is as discharge port, the sidewall of described material pipe protective cover 12 is provided with the feed-pipe 13 of vertical direction as feeding mouth, the upper end of feed-pipe 13 is connected with vacuum separation valve 5, the lower end of feed-pipe 13 is connected with the discharge port of carrier pipe 10 in stove, in described feed-pipe 13, interlock and be provided with a plurality of downward-sloping buffering catch 9 successively from top to bottom, carrier pipe lifting device 11 be fixed on material pipe protective cover 12 top and with stove in the upper end of carrier pipe 10 be connected, described carrier pipe lifting device 11 comprises the winder that is fixed on material pipe protective cover 12 tops and the wireline that connects carrier pipe 10 in stove, in one end of wireline and stove, the upper end of carrier pipe 10 fixes, the other end and winder fix, when winder folding and unfolding wireline, can make carrier pipe 10 in stove move up and down in material pipe protective cover 12.
During single crystal growing furnace work, when needs add material in to stove, can bin device 1 be reduced with feed bin lifting device 3, then open feed bin guard shield 6, material is added in feeding warehouse 7, close storehouse guard shield 6, and then with feed bin lifting device 3, bin device 1 is promoted, feed bin carrier pipe 4 is connected by vacuum separation valve 5 with the feeding mouth of feeding device 2, adjust the air pressure in bin device 1, make the air pressure of bin device 1 consistent with in body of heater, open vacuum separation valve 5, material is under the effect of gravity, from feed bin 7, fall, enter in feed bin carrier pipe 4, through vacuum separation valve 5, enter in feed-pipe 13, from feed-pipe 13, enter again the side discharge port of carrier pipe 10 in stove, carrier pipe lifting device 11 is controlled carrier pipe 10 in stove and is declined, arrive behind crucible top, material falls into the interpolation work that completes material in crucible, after Material Addition, carrier pipe lifting device 11 is controlled carrier pipe 10 in stove and is risen to after upper limit, close vacuum separation valve 5, single crystal growing furnace can be realized continuous processing work, while making work, without secondary blow-on, can independently realize the storage of silicon material, weigh, carry, also can realize the accurately reinforced of Different Weight, can repeatedly circulate and feed intake, greatly improved working efficiency, reduced production cost.

Claims (6)

1. a single crystal growing furnace continuous feeding, comprise bin device (1) and feeding device (2), it is characterized in that: also comprise feed bin lifting device (3), described bin device (1) is fixed on feed bin lifting device (3), described feeding device (2) is acute angle with vertical direction and is fixed on bell, the discharge port of feeding device (2) is arranged in body of heater, the feeding mouth of feeding device (2) is arranged on outside body of heater, the discharge port of bin device (1) is provided with feed bin carrier pipe (4) and is connected by vacuum separation valve (5) with the feeding mouth of feeding device (2).
2. a kind of single crystal growing furnace continuous feeding according to claim 1, it is characterized in that: described bin device (1) comprises feed bin guard shield (6), feed bin (7) and Weighing device (8), Weighing device (8) be arranged on feed bin (7) under, feed bin (7) and Weighing device (8) are sleeved in feed bin guard shield (6), the bottom discharge mouth place of feed bin (7) is provided with the feed bin carrier pipe (4) of vertical direction, in described feed bin carrier pipe (4), interlocks and is provided with a plurality of downward-sloping buffering catch (9) successively from top to bottom.
3. a kind of single crystal growing furnace continuous feeding according to claim 1, it is characterized in that: described feeding device (2) comprises carrier pipe (10) in stove, carrier pipe lifting device (11) and material pipe protective cover (12), in described stove, carrier pipe (10) and carrier pipe lifting device (11) are sleeved in material pipe protective cover (12), the carrier pipe that in described stove, carrier pipe (10) is closed at both ends, the opening that in stove, carrier pipe (10) is provided with side discharge method on sidewall is as discharge port, the sidewall of described material pipe protective cover (12) is provided with the feed-pipe (13) of vertical direction as feeding mouth, the upper end of feed-pipe (13) is connected with vacuum separation valve (5), the lower end of feed-pipe (13) is connected with the discharge port of carrier pipe (10) in stove, in described feed-pipe (13), interlock and be provided with a plurality of downward-sloping buffering catch (9) successively from top to bottom, carrier pipe lifting device (11) be fixed on material pipe protective cover (12) top and with stove in the upper end of carrier pipe (10) be connected, in described stove, carrier pipe (10) can move up and down under the traction of carrier pipe lifting device (11) in material pipe protective cover (12).
4. a kind of single crystal growing furnace continuous feeding according to claim 3, it is characterized in that: described carrier pipe lifting device (11) comprises the winder that is fixed on material pipe protective cover (12) top and the wireline that connects carrier pipe (10) in stove, in one end of wireline and stove, the upper end of carrier pipe (10) fixes, and the other end and winder fix.
5. a kind of single crystal growing furnace continuous feeding according to claim 2, is characterized in that: the sidewall of described feed bin (7) and feed bin carrier pipe (4) is bilayer structure, and internal layer is high purity quartz or silicon single crystal lining.
6. a kind of single crystal growing furnace continuous feeding according to claim 1, is characterized in that: described feed bin lifting device (3) is electronic screw rod transmission.
CN201320531636.XU 2013-08-29 2013-08-29 Continuous feeding device for single crystal furnace CN203462173U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320531636.XU CN203462173U (en) 2013-08-29 2013-08-29 Continuous feeding device for single crystal furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320531636.XU CN203462173U (en) 2013-08-29 2013-08-29 Continuous feeding device for single crystal furnace

Publications (1)

Publication Number Publication Date
CN203462173U true CN203462173U (en) 2014-03-05

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CN201320531636.XU CN203462173U (en) 2013-08-29 2013-08-29 Continuous feeding device for single crystal furnace

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CN (1) CN203462173U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104264229A (en) * 2014-10-09 2015-01-07 河北晶龙阳光设备有限公司 Online doping device for single crystal furnace
CN105951180A (en) * 2016-06-01 2016-09-21 江苏协鑫硅材料科技发展有限公司 Secondary feeding device for polysilicon ingot furnace and polycrystalline ingot casting system
CN108884588A (en) * 2016-02-25 2018-11-23 各星有限公司 Feed system for crystal pulling system
CN109306513A (en) * 2017-07-27 2019-02-05 隆基绿能科技股份有限公司 Material delivery system and crystal growth system
CN109306514A (en) * 2017-07-27 2019-02-05 隆基绿能科技股份有限公司 Material delivery system and crystal growth system
CN109306515A (en) * 2017-07-27 2019-02-05 隆基绿能科技股份有限公司 Material delivery system and crystal growth system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104264229A (en) * 2014-10-09 2015-01-07 河北晶龙阳光设备有限公司 Online doping device for single crystal furnace
CN108884588A (en) * 2016-02-25 2018-11-23 各星有限公司 Feed system for crystal pulling system
CN105951180A (en) * 2016-06-01 2016-09-21 江苏协鑫硅材料科技发展有限公司 Secondary feeding device for polysilicon ingot furnace and polycrystalline ingot casting system
CN105951180B (en) * 2016-06-01 2019-03-15 江苏协鑫硅材料科技发展有限公司 Polycrystalline silicon ingot or purifying furnace secondary charging device and polycrystalline cast ingot system
CN109306513A (en) * 2017-07-27 2019-02-05 隆基绿能科技股份有限公司 Material delivery system and crystal growth system
CN109306514A (en) * 2017-07-27 2019-02-05 隆基绿能科技股份有限公司 Material delivery system and crystal growth system
CN109306515A (en) * 2017-07-27 2019-02-05 隆基绿能科技股份有限公司 Material delivery system and crystal growth system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140305

Termination date: 20150829

EXPY Termination of patent right or utility model