CN212713839U - Secondary charging and discharging protection device of single crystal furnace - Google Patents
Secondary charging and discharging protection device of single crystal furnace Download PDFInfo
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- CN212713839U CN212713839U CN201921839865.1U CN201921839865U CN212713839U CN 212713839 U CN212713839 U CN 212713839U CN 201921839865 U CN201921839865 U CN 201921839865U CN 212713839 U CN212713839 U CN 212713839U
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Abstract
The utility model discloses a single crystal growing furnace secondary feeding falls material protection device, including feed cylinder, fixed support bowl and rings, first flange is installed to the top of feed cylinder, and the top of first flange is connected with second flange to be connected through connecting bolt between first flange and the second flange, be connected through the tetrafluoro piece between the connecting bolt, rings are installed on the outer wall of connecting rod, and the bottom of connecting rod is provided with the second fixture block, be provided with the second sealing washer between fixed support bowl and the activity support bowl. This single crystal growing furnace secondary is loaded and is expected protection device down is provided with fixed bowl and the activity and holds in the palm the bowl, and the centre of fixed bowl and the activity of holding in the palm the bowl is provided with the connecting rod to the activity holds in the palm the bowl and can rotate along curved tetrafluoro piece, thereby when reinforced, can be convenient with the activity hold in the palm bowl rotatory 180 to fixed bowl one side, be convenient for increase charge door, thereby conveniently reinforced.
Description
Technical Field
The utility model relates to a monocrystalline silicon production technical field specifically is a single crystal growing furnace secondary feeding falls material protection device.
Background
With the continuous improvement of the production capacity of the photovoltaic single crystal, RCZ repeated charging is currently the mainstream of the production of a photovoltaic single crystal workshop, and in order to reduce the production cost of the single crystal silicon, the increase of the charging amount and the output become the effective path for cost reduction and efficiency improvement of enterprises, so that the secondary charging device plays an important role in the production process of the single crystal silicon.
However, the existing charging mode still has some disadvantages when in use, for example, when the charging barrel is inclined to pour raw materials, due to the shielding of the guide walking beam at the upper part of the charging barrel, the raw materials are difficult to pour, even the raw materials are polluted due to the scattered silicon raw materials, when the raw materials to be charged are fed into the furnace area, silicon powder is volatilized and attached to the inner surface of stainless steel in the furnace, the silicon powder drops on the silicon liquid surface in the crystal growth process to cause the crystal bulge and break lines, and the crystal growth environment is seriously influenced, so that a secondary charging and discharging protection device of the single crystal furnace is provided, and the problems provided in the prior art are solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single crystal growing furnace secondary feeding falls material protection device, because sheltering from of feed cylinder upper portion direction walking beam when the raw materials is poured into in the slope to the feed cylinder on the present market that the solution above-mentioned background art provided, it is difficult when pouring the raw materials, unrestrained silicon raw materials causes the raw materials pollution even, when treating that the raw materials of dress is sent to the furnace zone and is added, because open the joining of feed cylinder upper shed, silica flour can volatilize and attach to on the stainless steel internal surface in the stove, drop at the long brilliant in-process and cause the crystal to swell the broken string at the silicon liquid level, the problem of long brilliant environment has seriously been influenced.
In order to achieve the above object, the utility model provides a following technical scheme: a secondary charging and discharging protection device of a single crystal furnace comprises a charging barrel, a fixed supporting bowl and a lifting ring, wherein a first connecting flange is installed above the charging barrel, a second connecting flange is connected above the first connecting flange, the first connecting flange and the second connecting flange are connected through a connecting bolt, the connecting bolts are connected through a tetrafluoro block, the bottom of the fixed supporting bowl is connected with the second connecting flange, a movable supporting bowl is arranged on the right side of the fixed supporting bowl, a first clamping block is arranged on the outer wall of the movable supporting bowl, the first clamping block is connected with the tetrafluoro block through a groove, the groove is formed in the tetrafluoro block, a first sealing ring is arranged in the groove, fixing holes are formed in the middle of the inner parts of the fixed supporting bowl and the movable supporting bowl, a connecting rod is connected with the inner part of the fixing holes, the lifting ring is installed on the outer wall of the connecting rod, and a second clamping block is arranged at the bottom of the connecting rod, and a second sealing ring is arranged between the fixed support bowl and the movable support bowl.
Preferably, the second connecting flange and the fixed support bowl are of an integrated structure, and the fixed support bowl and the movable support bowl are connected in a fitting manner.
Preferably, four tetrafluoro blocks are arranged, 4 tetrafluoro blocks are all arc-shaped, and the tetrafluoro blocks and the connecting bolts are connected in an adhesion mode.
Preferably, activity support bowl and first fixture block formula structure as an organic whole, and first fixture block passes through the recess and constitutes revolution mechanic with the tetrafluoro piece to first fixture block is "T" font, and recess and first sealing washer are adhesive connection simultaneously.
Preferably, the connection mode of connecting rod and rings is the welding, and there is the interval between rings and the activity support bowl to the activity support bowl is connected for the laminating with the second sealing washer, and the second sealing washer is fixed bonding with fixed support bowl simultaneously.
Preferably, the second clamping block and the connecting rod are connected through bolts, and the diameter of the second clamping block is larger than that of the fixing hole.
Compared with the prior art, the beneficial effects of the utility model are that: the secondary charging and discharging protection device of the single crystal furnace,
(1) the movable supporting bowl can rotate 180 degrees to one side of the fixed supporting bowl when feeding, so that a feeding port is conveniently enlarged, and feeding is convenient;
(2) an interval is formed between the movable supporting bowl and the hanging ring at the top of the connecting rod, a second clamping block is arranged at the bottom of the connecting rod, and the diameter of the second clamping block is larger than that of the fixing hole, so that the connecting rod can be pulled upwards during feeding, the connecting rod is effectively prevented from obstructing the sight, and meanwhile, under the action of the second clamping block, the connecting rod can be effectively prevented from moving out of the fixing hole, and the normal use of the device is ensured;
(3) the second sealing ring is arranged between the fixed supporting bowl and the movable supporting bowl, so that when the movable supporting bowl seals the feed inlet, the sealing effect can be increased, the phenomenon that silicon materials are scattered is effectively prevented, volatilization of silicon powder can be effectively reduced, and introduction of impurities is avoided.
Drawings
FIG. 1 is a schematic view of the overall main sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;
fig. 4 is a schematic view of the connection overlooking structure of the fixed supporting bowl and the movable supporting bowl of the present invention.
In the figure: 1. a charging barrel; 2. a first connecting flange; 3. a second connecting flange; 4. a connecting bolt; 5. a tetrafluoro block; 6. fixing a supporting bowl; 7. a movable bowl; 8. a first clamping block; 9. a groove; 10. a first seal ring; 11. a fixing hole; 12. a connecting rod; 13. a hoisting ring; 14. a second fixture block; 15. and a second seal ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a secondary charging and discharging protection device of a single crystal furnace comprises a charging barrel 1, a first connecting flange 2, a second connecting flange 3, a connecting bolt 4, a PTFE block 5, a fixed supporting bowl 6, a movable supporting bowl 7, a first clamping block 8, a groove 9, a first sealing ring 10, a fixing hole 11, a connecting rod 12, a lifting ring 13, a second clamping block 14 and a second sealing ring 15, wherein the first connecting flange 2 is installed above the charging barrel 1, the second connecting flange 3 is connected above the first connecting flange 2, the first connecting flange 2 and the second connecting flange 3 are connected through the connecting bolt 4, the connecting bolts 4 are connected through the PTFE block 5, the bottom of the fixed supporting bowl 6 is connected with the second connecting flange 3, the movable supporting bowl 7 is arranged on the right side of the fixed supporting bowl 6, the first clamping block 8 is arranged on the outer wall of the movable supporting bowl 7, and the first clamping block 8 is connected with the PTFE block 5 through the groove 9, a groove 9 is formed in the tetrafluoro block 5, a first sealing ring 10 is arranged in the groove 9, fixing holes 11 are formed in the middle of the inner portions of the fixed support bowl 6 and the movable support bowl 7, a connecting rod 12 is connected to the inner portion of each fixing hole 11, a hanging ring 13 is installed on the outer wall of each connecting rod 12, a second clamping block 14 is arranged at the bottom of each connecting rod 12, and a second sealing ring 15 is arranged between the fixed support bowl 6 and the movable support bowl 7;
the second connecting flange 3 and the fixed support bowl 6 are of an integrated structure, and the fixed support bowl 6 and the movable support bowl 7 are in fit connection, so that the stability of the fixed support bowl 6 is ensured, and the movable support bowl 7 can normally rotate;
four tetrafluoro blocks 5 are arranged, 4 tetrafluoro blocks 5 are all arc-shaped, and the tetrafluoro blocks 5 and the connecting bolts 4 are connected in a bonding mode, so that when the movable supporting bowl 7 rotates, the movable supporting bowl 7 can be guided;
the movable supporting bowl 7 and the first clamping block 8 are of an integrated structure, the first clamping block 8 and the PTFE block 5 form a rotating structure through the groove 9, the first clamping block 8 is T-shaped, meanwhile, the groove 9 and the first sealing ring 10 are connected in a bonding mode, and the movable supporting bowl 7 can rotate more stably through rotation of the first clamping block 8, so that stable use of the device is further ensured;
the connecting mode of the connecting rod 12 and the hanging ring 13 is welding, a gap exists between the hanging ring 13 and the movable supporting bowl 7, the movable supporting bowl 7 is in fit connection with the second sealing ring 15, and the second sealing ring 15 is fixedly bonded with the fixed supporting bowl 6, so that the connecting rod 12 can be conveniently moved upwards during feeding, a feeding port is completely opened, feeding is facilitated, meanwhile, the sealing performance of the device is improved, and the phenomenon of silicon material scattering is reduced;
the connection mode of the second fixture block 14 and the connecting rod 12 is bolt connection, and the diameter of the second fixture block 14 is larger than that of the fixing hole 11, so that when the connecting rod 12 ascends, the phenomenon that the connecting rod 12 moves out of the fixed support bowl 6 and the movable support bowl 7 can be effectively prevented, and the service efficiency of the device is ensured.
The working principle is as follows: when the secondary charging and discharging protection device for the single crystal furnace is used, as shown in fig. 1 and 4, firstly, a worker inclines the charging barrel 1 for 60 degrees, then the movable support bowl 7 rotates along the tetrafluoro block 5, and the tetrafluoro block 5 is arc-shaped, so that the movable support bowl 7 can be guided, as shown in fig. 2, as the first fixture block 8 is arranged on the outer wall of the bottom of the movable support bowl 7, the first fixture block 8 and the groove 9 form a rotating structure, and the first fixture block 8 is T-shaped, when the movable support bowl 7 rotates, the movable support bowl 7 can rotate more stably through the first fixture block 8, and the normal operation of charging is ensured;
when the movable bowl 7 rotates 180 degrees and is overlapped with the fixed bowl 6, a worker pulls the hanging ring 13 to enable the hanging ring 13 to drive the connecting rod 12 and the second fixture block 14 to ascend together, because the diameter of the second fixture block 14 is larger than that of the fixed hole 11, the second fixture block 14 stops when rising to the position of the fixed hole 11, the phenomenon that the connecting rod 12 moves out of the fixed bowl 6 and the movable bowl 7 can be effectively prevented, at the moment, the material pouring port is completely opened, then the worker pours silicon materials into the material barrel 1 along the fixed bowl 6, when the silicon materials are accumulated on the upper portion of the material barrel 1, the material barrel 1 is erected, then the material pouring is continued, the material is poured into the material barrel 1 until the material pouring is full, after the material barrel 1 is filled with the material, the worker descends the connecting rod 12 and rotates the movable bowl 7 by taking the connecting rod 12 as an axis to enable the movable bowl 7 to return to an initial position to close the material feeding port, as shown in, because the second sealing ring 15 is arranged between the fixed supporting bowl 6 and the movable supporting bowl 7, and the first sealing ring 10 is arranged in the groove 9, when the movable supporting bowl 7 rotates to seal the feeding port, the sealing performance of the whole device can be improved, silicon material scattering can be effectively reduced, and meanwhile the volatilization probability of the silicon material can be reduced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a single crystal growing furnace secondary feeding protection device that falls material, includes feed cylinder (1), fixed support bowl (6) and rings (13), its characterized in that: a first connecting flange (2) is installed above the charging barrel (1), a second connecting flange (3) is connected above the first connecting flange (2), the first connecting flange (2) and the second connecting flange (3) are connected through a connecting bolt (4), the connecting bolts (4) are connected through a tetrafluoro block (5), the bottom of the fixed supporting bowl (6) is connected with the second connecting flange (3), a movable supporting bowl (7) is arranged on the right side of the fixed supporting bowl (6), a first clamping block (8) is arranged on the outer wall of the movable supporting bowl (7), the first clamping block (8) is connected with the tetrafluoro block (5) through a groove (9), the groove (9) is formed in the tetrafluoro block (5), a first sealing ring (10) is arranged in the groove (9), fixing holes (11) are formed in the middle of the fixed supporting bowl (6) and the movable supporting bowl (7), and the inside of the fixed hole (11) is connected with a connecting rod (12), the lifting ring (13) is installed on the outer wall of the connecting rod (12), a second clamping block (14) is arranged at the bottom of the connecting rod (12), and a second sealing ring (15) is arranged between the fixed support bowl (6) and the movable support bowl (7).
2. The secondary charging and discharging protection device of the single crystal furnace as claimed in claim 1, wherein: the second connecting flange (3) and the fixed supporting bowl (6) are of an integrated structure, and the fixed supporting bowl (6) and the movable supporting bowl (7) are connected in a fitting mode.
3. The secondary charging and discharging protection device of the single crystal furnace as claimed in claim 1, wherein: the four-layer polytetrafluoroethylene block (5) is provided with four, 4-layer polytetrafluoroethylene blocks (5) are all arc-shaped, and the connection mode of the four-layer polytetrafluoroethylene blocks (5) and the connection bolt (4) is bonding.
4. The secondary charging and discharging protection device of the single crystal furnace as claimed in claim 1, wherein: activity tray (7) and first fixture block (8) formula structure as an organic whole, and first fixture block (8) constitute rotating-structure through recess (9) and tetrafluoro piece (5) to first fixture block (8) are "T" font, and recess (9) and first sealing washer (10) are bonding connection simultaneously.
5. The secondary charging and discharging protection device of the single crystal furnace as claimed in claim 1, wherein: the connecting mode of connecting rod (12) and rings (13) is the welding, and there is the interval between rings (13) and the activity support bowl (7) to the activity supports bowl (7) and second sealing washer (15) and is connected for the laminating, and second sealing washer (15) and fixed support bowl (6) are fixed bonding simultaneously.
6. The secondary charging and discharging protection device of the single crystal furnace as claimed in claim 1, wherein: the second clamping block (14) is connected with the connecting rod (12) through bolts, and the diameter of the second clamping block (14) is larger than that of the fixing hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839865.1U CN212713839U (en) | 2019-10-30 | 2019-10-30 | Secondary charging and discharging protection device of single crystal furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839865.1U CN212713839U (en) | 2019-10-30 | 2019-10-30 | Secondary charging and discharging protection device of single crystal furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212713839U true CN212713839U (en) | 2021-03-16 |
Family
ID=74903959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921839865.1U Active CN212713839U (en) | 2019-10-30 | 2019-10-30 | Secondary charging and discharging protection device of single crystal furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212713839U (en) |
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2019
- 2019-10-30 CN CN201921839865.1U patent/CN212713839U/en active Active
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