CN210394593U - Polycrystalline silicon ingot furnace vector air injection device - Google Patents
Polycrystalline silicon ingot furnace vector air injection device Download PDFInfo
- Publication number
- CN210394593U CN210394593U CN201921456637.6U CN201921456637U CN210394593U CN 210394593 U CN210394593 U CN 210394593U CN 201921456637 U CN201921456637 U CN 201921456637U CN 210394593 U CN210394593 U CN 210394593U
- Authority
- CN
- China
- Prior art keywords
- ingot furnace
- pipe
- argon
- polycrystalline silicon
- gas injection
- 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.)
- Active
Links
Images
Landscapes
- Silicon Compounds (AREA)
Abstract
The utility model discloses a polysilicon ingot furnace vector air injection device, which comprises an ingot furnace and an argon gas inlet pipe, wherein the top end of the ingot furnace is provided with a support frame, one side of the top end of the support frame is fixedly provided with a single-piston rod double-acting cylinder in the vertical direction, the argon gas inlet pipe is sleeved on an air injection pipe, one side of the air injection pipe is fixedly provided with a connecting rod in the horizontal direction, one end of the connecting rod away from the air injection pipe is connected with a telescopic rod of the single-piston rod double-acting cylinder, the bottom end of the air injection pipe is connected with a commuting box, the bottom end inside the commuting box is provided with a motor, the output shaft of the motor is connected with a rotating shaft through a coupler, the rotating shaft is sleeved with a first gear, the bottom end inside the commuting box is provided with a through hole, a bearing is, the bottom end of the connecting pipe is provided with an argon nozzle; so that the silicon melt in the ingot furnace can obtain uniform and good convection.
Description
Technical Field
The utility model relates to a solar cell production facility technical field, in particular to polycrystalline silicon ingot furnace vector air jet system.
Background
With the progress of society, the demand of people on energy is increasing day by day, the exhaustion speed of non-renewable resources such as petroleum, natural gas and the like is accelerated, and the energy crisis is aggravated. The search for new energy is a necessary way to solve the energy crisis, and in the exploration of numerous new energy, solar energy is clean, efficient, green and environment-friendly and becomes a hotspot of research of people due to inexhaustible solar energy.
In the aspect of solar energy utilization, the photovoltaic solar cell occupies a large proportion, and the ingot polycrystalline silicon is a main material of the photovoltaic solar cell due to high yield, low production cost, high product quality and the like. Therefore, people increase the research on the ingot polycrystalline silicon and improve the quality of the ingot polycrystalline silicon crystal in all aspects. Such as preparation of large-grain polycrystalline silicon, reduction of crystal defects, reduction of crystal impurities, improvement of crystal minority carrier life and the like, the research means are beneficial to improvement of ingot polycrystalline silicon crystal quality and improvement of ingot polycrystalline silicon battery conversion efficiency, and therefore development of photovoltaic solar energy is facilitated.
The polycrystalline silicon ingot furnace is special equipment for ingot casting polycrystalline silicon crystal growth, and argon gas needs to be sprayed to silicon melt in a cavity of the ingot furnace from the top of the ingot furnace in the process of polycrystalline silicon crystal growth, so that the silicon melt obtains good convection, and the high-quality crystal is convenient to produce. The convection of the silicon melt in the polysilicon ingot furnace is influenced by the argon injection condition of the ingot furnace, and an important effect is further generated on the quality of crystals.
The invention discloses a vector gas injection device of a polycrystalline silicon ingot furnace, aiming at the key link of argon injection of the polycrystalline silicon ingot furnace, and the vector gas injection device realizes the functions of arbitrary adjustment of the argon injection direction, arbitrary extension of the length of an injection pipe, ejection of argon gas flow with different geometric shapes by a nozzle, adjustment of the gas injection quantity and the like. The gas injection device can adjust parameters such as the argon gas injection direction, the argon gas injection flow and the like according to the preferred growth direction of the crystal in the crystal growth process, and the functions enable silicon melt in the cavity of the ingot furnace to obtain uniform and good convection and enable the crystal to grow towards the preferred growth direction, and finally ingot casting polycrystalline silicon with good performance is obtained.
The argon injection of the existing polycrystalline silicon ingot furnace mainly comprises an argon inlet pipe and an argon injection pipe, wherein the argon inlet pipe is introduced from the furnace top and is injected into the cavity of the ingot furnace, the argon inlet pipe and the injection pipe of the existing ingot furnace are fixed at the furnace top, the injection pipe is fixed in the vertical direction of silicon melt and cannot rotate freely, the length of the injection pipe is fixed and cannot stretch freely, and a nozzle can only inject argon flow with a single geometric shape.
Disclosure of Invention
The utility model aims to provide a: a vector air injection device of a polycrystalline silicon ingot furnace is provided to solve the problems in the prior art.
A vector air injection device of a polycrystalline silicon ingot furnace comprises an ingot furnace and an argon gas inlet pipe, wherein a support frame is arranged at the top end of the ingot furnace, a single-piston-rod double-acting cylinder is fixedly arranged in the vertical direction on one side of the top end of the support frame, the argon gas inlet pipe is sleeved on an air injection pipe, a connecting rod is fixedly arranged in the horizontal direction on one side of the air injection pipe, one end, away from the air injection pipe, of the connecting rod is connected with a telescopic rod of the single-piston-rod double-acting cylinder, the bottom end of the air injection pipe is connected with a switching box, a motor is arranged at the bottom end inside the switching box, a rotating shaft is connected with an output shaft of the motor through a coupler, a first gear is sleeved on the rotating shaft, a through hole is formed in the bottom end inside the switching, the top end of the ingot furnace is provided with a hole, the connecting pipe penetrates through the hole in the top end of the ingot furnace, and the bottom end of the connecting pipe is provided with an argon nozzle.
Further, rubber sealing rings are respectively arranged on the upper side and the lower side of the end hole of the ingot casting furnace top.
And further, an argon flowmeter is arranged on one side, away from the gas injection pipe, of the argon gas inlet pipe.
Furthermore, the argon nozzle is a fan-shaped argon nozzle.
Still further, the motor is a micro motor.
The beneficial effects of the utility model reside in that:
the utility model discloses a polycrystalline silicon ingot furnace vector jet-propelled device, establish with argon gas intake pipe cover through jet-propelled pipe and be connected, single piston rod double-acting cylinder telescopic link connects jet-propelled pipe, make the jet-propelled pipe freely adjust from top to bottom, make the height of adjustable argon gas shower nozzle and silicon melt at the in-process of ingot casting polycrystalline silicon crystal growth, through setting up the motor, first gear and second gear, make the argon gas shower nozzle can rotate, thereby make the argon gas shower nozzle can the different argon gas air current of blowout direction, realize the vector jet-propelled, make the silicon melt obtain good convection current, improve ingot casting polycrystalline silicon crystal quality.
Drawings
Fig. 1 is a front sectional view of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention.
Referring to fig. 1, a polysilicon ingot furnace vector air injection device comprises an ingot furnace 1 and an argon gas inlet pipe 2, wherein a support frame 3 is arranged at the top end of the ingot furnace 1, a single-piston rod double-acting cylinder 4 is fixedly arranged in the vertical direction at one side of the top end of the support frame 3, the argon gas inlet pipe 2 is sleeved on an air injection pipe 5 to enable the air injection pipe to slide and stretch up and down, a connecting rod 6 is fixedly arranged in the horizontal direction at one side of the air injection pipe 5, one end of the connecting rod 6 far away from the air injection pipe 5 is connected with a telescopic rod of the single-piston rod double-acting cylinder 4 to enable the air injection pipe 5 to slide and stretch up and down, the bottom end of the air injection pipe 5 is connected with an exchange box 7, a motor 8 is arranged at the bottom end inside the exchange box 7, an output, the connecting pipe 12 water jacket that is located commuting case 7 is equipped with the second gear, and the second gear meshing is in first gear, and 1 top of ingot furnace is seted up porosely, and connecting pipe 12 passes the hole on 1 top of ingot furnace, is equipped with argon gas shower nozzle 10 on the connecting pipe 12 bottom, and the setting of motor 8, first gear and second gear makes argon gas shower nozzle 10 can rotate to make the shower nozzle can erupt the argon gas stream that the direction is different, realize the vector jet-propelled.
Rubber seal rings are respectively arranged on the upper side and the lower side of the hole at the top end of the ingot furnace 1, so that argon gas cannot leak.
And an argon flowmeter 11 is arranged on one side of the argon inlet pipe 2 far away from the gas injection pipe 5, so that the flow of argon can be better controlled, and the function of the argon nozzle 10 is matched to achieve the purpose of controlling the flow and the direction of the argon flow.
Argon gas shower nozzle 10 is fan-shaped argon gas shower nozzle for argon gas shower nozzle 10 can spout the argon gas stream of different geometric shapes, makes the silicon melt in the ingot furnace can obtain even, good convection current.
The preferred motor 8 is a micro motor.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a polycrystalline silicon ingot furnace vector gas injection unit which characterized in that: the device comprises an ingot furnace (1) and an argon gas inlet pipe (2), wherein a support frame (3) is arranged at the top end of the ingot furnace (1), a single-piston rod double-acting cylinder (4) is fixedly arranged in the vertical direction of one side of the top end of the support frame (3), the argon gas inlet pipe (2) is sleeved on a gas injection pipe (5), a connecting rod (6) is fixedly arranged in the horizontal direction of one side of the gas injection pipe (5), one end, away from the gas injection pipe (5), of the connecting rod (6) is connected with a telescopic rod of the single-piston rod double-acting cylinder (4), an exchange box (7) is connected with the bottom end of the gas injection pipe (5), a motor (8) is arranged at the bottom end inside the exchange box (7), an output shaft of the motor (8) is connected with an output shaft through a coupler, a first gear, a connecting pipe (12) penetrates through a hole of the bearing (9), a second gear is sleeved on the connecting pipe (12) positioned in the exchange box (7), the second gear is meshed with the first gear, a hole is formed in the top end of the ingot furnace (1), the connecting pipe (12) penetrates through the hole in the top end of the ingot furnace (1), and an argon nozzle (10) is arranged at the bottom end of the connecting pipe (12).
2. The vector gas injection device of the polycrystalline silicon ingot furnace according to claim 1, characterized in that: and rubber sealing rings are respectively arranged on the upper side and the lower side of the top end hole of the ingot furnace (1).
3. The vector gas injection device of the polycrystalline silicon ingot furnace according to claim 1 or 2, is characterized in that: and an argon flowmeter (11) is arranged on one side of the argon inlet pipe (2) far away from the gas injection pipe (5).
4. The vector gas injection device of the polycrystalline silicon ingot furnace according to claim 3, characterized in that: the argon nozzle (10) is a fan-shaped argon nozzle.
5. The vector gas injection device of the polycrystalline silicon ingot furnace according to claim 4, characterized in that: the motor (8) is a micro motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921456637.6U CN210394593U (en) | 2019-09-04 | 2019-09-04 | Polycrystalline silicon ingot furnace vector air injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921456637.6U CN210394593U (en) | 2019-09-04 | 2019-09-04 | Polycrystalline silicon ingot furnace vector air injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210394593U true CN210394593U (en) | 2020-04-24 |
Family
ID=70339977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921456637.6U Active CN210394593U (en) | 2019-09-04 | 2019-09-04 | Polycrystalline silicon ingot furnace vector air injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210394593U (en) |
-
2019
- 2019-09-04 CN CN201921456637.6U patent/CN210394593U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204508949U (en) | A kind of ecological riverway vertical lift type aerating apparatus | |
| CN109329150A (en) | Moveable deep water mesh cage bearing device | |
| CN210394593U (en) | Polycrystalline silicon ingot furnace vector air injection device | |
| CN204811356U (en) | Automatic formula hydrant | |
| CN110884623A (en) | Floating type photovoltaic power station with floating barrels | |
| CN202297848U (en) | Silicon single crystal furnace with double upper furnace bodies | |
| CN215380479U (en) | Afforestation sprinkler for municipal works convenient to adjust | |
| CN206486622U (en) | A kind of device that G7 polycrystal silicon ingots are cast for GT polycrystalline furnaces | |
| CN202730297U (en) | Czochralski method single crystal furnace thermal field structure | |
| CN208884619U (en) | A kind of hydraulic engineering environment-friendly type rain collector | |
| CN203460331U (en) | Polycrystalline ingot cubing device | |
| CN215601916U (en) | Photovoltaic water lifting irrigation equipment | |
| CN202898592U (en) | Guide cylinder for single crystal furnaces | |
| CN215366059U (en) | Single crystal furnace with argon gas direction function | |
| CN213266778U (en) | Tellurium-zinc-cadmium crystal growth equipment | |
| CN204251760U (en) | Thermal field of czochralski silicon | |
| CN102140012B (en) | Float glass forming cooling water packet | |
| CN217752299U (en) | But quick replacement's sealing washer skeleton production mould | |
| CN201116314Y (en) | Polysilicon directional solidification down-drawing crystal growth barycenter driving transmission mechanism | |
| CN107513762B (en) | Directional solidification reactor of industrial silicon electric furnace and casting method | |
| CN108347790A (en) | A kind of adaptable intelligent communication base station with a self-generating function | |
| CN203529943U (en) | Polycrystalline silicon reduction furnace | |
| CN205692848U (en) | A kind of degumming spray equipment of polysilicon chip | |
| CN220814880U (en) | Adjustable concrete form of civil engineering | |
| CN109454785A (en) | A kind of plastic pipe vacuum shaping box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |