CN203284496U - Silicon ingot furnace and leakage detection device thereof - Google Patents
Silicon ingot furnace and leakage detection device thereof Download PDFInfo
- Publication number
- CN203284496U CN203284496U CN2013203257827U CN201320325782U CN203284496U CN 203284496 U CN203284496 U CN 203284496U CN 2013203257827 U CN2013203257827 U CN 2013203257827U CN 201320325782 U CN201320325782 U CN 201320325782U CN 203284496 U CN203284496 U CN 203284496U
- Authority
- CN
- China
- Prior art keywords
- ingot furnace
- silicon ingot
- molten silicon
- pallet
- detecting device
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a silicon ingot furnace and a leakage detection device thereof. The leakage detection device comprises a tray, detection lines and a detection unit. The tray comprises a body region and a molten silicon receiving region arranged along the circumferential direction of the body region, and the molten silicon receiving region is provided with a plurality of through holes; the detection lines are arranged on the upper surface of the molten silicon receiving region of the tray and extend along a path formed by the plurality of through holes, and each pin of the detection lines passes through one through hole; the detection unit is electrically connected with the pins and is used for detecting resistances of the detection lines. The tray of the leakage detection device provided by the utility model is arranged below a crucible; when leakage occurs, molten silicon flows into the molten silicon receiving region of the tray to fuse the detection lines, as a result that the resistances of the detection lines become infinite; the resistances of the detecting lines are monitored by the detection unit, when the resistance between two pins of one detection line is detected to be greater than a preset value, and then an alarm signal is sent out to remind a worker that a molten silicon leakage accident happens in the silicon ingot furnace.
Description
Technical field
The utility model relates to photovoltaic material processing units field, more specifically, relates to a kind of silicon ingot furnace and leak detecting device thereof.
Background technology
In the polycrystalline silicon ingot casting production process, the molten silicon leakage accident that may cause danger.Be provided with crucible in ingot furnace, the process from liquid state to solid state transformation, in crucible, the temperature distributing disproportionation of silicon material is even due to silicon, easily cause the crucible cracking, and then cause molten silicon leakage accident, in addition, also have other reasons also can cause molten silicon to leak, will not enumerate here.Can be up to 1500 degrees centigrade due to the molten silicon temperature of liquid state, leak occur after not only the silicon material scrap, and also easily melt down miscellaneous part in ingot furnace of high temperature melting silicon, cause serious loss.
Lack in existing ingot furnace directly molten silicon is carried out the device of leak detection,, even the detection alarm device is arranged, also just indirectly molten silicon is detected, molten silicon can not be detected the very first time and leak.And existing proofing unit often lost efficacy in actual use, and namely molten silicon leakage has occurred reality, but proofing unit is not reported to the police, and can make like this abnormally dangerous of leakage situation change, and for example molten silicon burns furnace wall, and with water coolant, contact, can cause vapor explosion when serious.
The utility model content
The utility model aims to provide a kind of silicon ingot furnace and leak detecting device thereof, to solve the problem that can not effectively to molten silicon leakage situation, detect of prior art.
For solving the problems of the technologies described above, according to an aspect of the present utility model, a kind of leak detecting device of silicon ingot furnace is provided, comprising: pallet, pallet comprises body regions and around the molten silicon of the circumferential setting of body regions, accepts zone, and molten silicon is accepted on zone and is provided with a plurality of through holes; Detection line, the molten silicon that is arranged at pallet is accepted the upper surface in zone, and detection line extends along the path that a plurality of through holes form, and the pin of detection line passes a through hole; And detecting unit, be electrically connected to pin, for detection of the resistance of detection line.
Further, molten silicon is accepted the upper surface of the upper surface in zone lower than body regions.
Further, leak detecting device also comprises insulation division, and insulation division is arranged between detection line and pallet.
Further, molten silicon is accepted on zone and is provided with groove, and insulation division is arranged in groove, and detection line is arranged on insulation division.
Further, insulation division comprises the ceramic tile of a plurality of arcs, and ceramic tile is arranged in groove.
According to another aspect of the present utility model, a kind of silicon ingot furnace also is provided, comprising: body of heater; Crucible, be arranged in body of heater; The silicon ingot furnace also comprises above-mentioned leak detecting device, and the pallet of leak detecting device is arranged in body of heater, and pallet is positioned at the below of crucible.
Further, the silicon ingot furnace also comprises heat-insulation cage, and heat-insulation cage is arranged between body of heater and crucible, and the bottom of heat-insulation cage has opening, and the pallet of leak detecting device is arranged on opening part.
Further, the silicon ingot furnace also comprises graphite cake, and graphite cake covers the outside of sidewall and the diapire of crucible.
Further, the silicon ingot furnace also comprises heat exchange platform, and heat exchange platform is arranged on the downside of graphite cake.
Further, the silicon ingot furnace also comprises cooling duct, and an end of cooling duct is arranged on the outside of body of heater, and the other end of cooling duct is arranged on the inside of body of heater.
The pallet of leak detecting device of the present utility model is arranged on the below of crucible, when occurring to leak, molten silicon flows to the molten silicon of pallet and accepts on zone, with detection line fusing, cause the resistance of detection line to become infinity, detecting unit is monitored the resistance of detection line, resistance value between two pins that detection line detected is greater than preset value, for example 70 ohm, this moment, detecting unit sent guard signal, to remind in staff's silicon ingot furnace, molten silicon leakage accident had occurred.Molten silicon flows on the pallet of leak detecting device from crucible, and then the fusing detection line, can guarantee that like this leak detecting device can produce reaction to leakage accident rapidly and accurately, sends guard signal, the staff known the very first time and processed leakage accident, avoiding the generation of hazardous condition.
Description of drawings
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the vertical view of the leak detecting device in the utility model;
Fig. 2 has schematically shown the side cutaway view of the leak detecting device in the utility model;
Fig. 3 has schematically shown the partial view of pin of the detection line of the leak detecting device in the utility model;
Fig. 4 has schematically shown the detection line of the leak detecting device in the utility model and the partial view of insulation division; And
Fig. 5 has schematically shown the sectional view of the silicon ingot furnace in the utility model.
Reference numeral in figure: 10, pallet; 11, through hole; 12, molten silicon is accepted zone; 13, groove; 14, body regions; 20, detection line; 21, pin; 30, insulation division; 31, ceramic tile; 1, body of heater; 2, heat-insulation cage; 3, heat exchange platform; 4, crucible; 5, cooling duct; 6, asbestos substrate; 7, the first carbon bar; 8, the second carbon bar; 9, graphite cake.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
According to an aspect of the present utility model, a kind of leak detecting device of silicon ingot furnace is provided, as shown in Figures 1 to 4, this leak detecting device comprises pallet 10, pallet 10 comprises body regions 14 and around the molten silicon of the circumferential setting of body regions 14, accepts zone 12, and molten silicon is accepted on zone 12 and is provided with a plurality of through holes 11; Detection line 20, the molten silicon that is arranged at pallet 10 is accepted the upper surface in zone 12, and detection line extends along the path that a plurality of through holes 11 form, and the pin 21 of detection line 20 passes a through hole 11; And detecting unit, be electrically connected to pin 21, for detection of the resistance of detection line 20.
The pallet 10 of leak detecting device of the present utility model is arranged on the below of crucible 4, when occurring to leak, molten silicon flows to the molten silicon of pallet 10 and accepts on zone 12, with detection line 20 fusing, cause the resistance of detection line 20 to become infinity, detecting unit is monitored the resistance of detection line 20, resistance value between two pins 21 that detection line 20 detected is greater than preset value, for example 70 ohm, this moment, detecting unit sent guard signal, to remind in staff's silicon ingot furnace, molten silicon leakage accident had occurred.Molten silicon flows on the pallet 10 of leak detecting device from crucible 4, and then fusing detection line 20, can guarantee that like this leak detecting device can produce reaction to leakage accident rapidly and accurately, send guard signal, the staff known the very first time and processed leakage accident, avoiding the generation of hazardous condition.
Preferably, molten silicon is accepted the upper surface of the upper surface in zone 12 lower than body regions 14.Molten silicon can flow to molten silicon and accept zone 12, makes that molten silicon is easier with detection line 20, contacts.
Preferably, pallet 10 is made by graphite material.Preferably, as shown in Figure 3 and Figure 4, leak detecting device also comprises insulation division 30, and insulation division 30 is arranged between detection line 20 and pallet 10.Due to graphite material conduction, so the pallet 10 of graphite-made can conduct two pins 21 of detection line 20, even detection line 20 is fused like this, the resistance value between two pins 21 may still can be higher than the preset resistance value of detecting unit.So,, if pallet 10 is made by graphite material, just need between detection line 20 and pallet 10, insulating material be set, form insulation division 30,, to guarantee that detection line 20 can directly not contact with pallet 10, guarantee that two pins 21 can not conducted by pallet 10.
Preferably, molten silicon is accepted on zone 12 and is provided with groove 13, and insulation division 30 is arranged in groove 13, and detection line 20 is arranged on insulation division 30.Preferably, insulation division 30 comprises the ceramic tile 31 of a plurality of arcs, and ceramic tile 31 is arranged in groove 13.Insulation division 30 must have high thermal resistance, when insulation division 30 touches molten silicon up to 1500 degrees centigrade, can not lose insulativity, like this accuracy of the resistance value that detects of guarantee detecting unit.Ceramic tile 31 is high temperature resistant, even with molten silicon, contact also and can not lose insulativity, so be suitable as the material of insulation division 30.Replacedly, insulation division 30 can also be made by other materials, needs only the material that at high temperature still guarantees form stable and keep insulativity, all can make insulation division 30.
According to another aspect of the present utility model, a kind of silicon ingot furnace also is provided, as shown in Figure 5, this silicon ingot furnace comprises: body of heater 1; Crucible 4, be arranged in body of heater 1; The silicon ingot furnace also comprises above-mentioned leak detecting device, and the pallet 10 of leak detecting device is arranged in body of heater 1, and pallet 10 is positioned at the below of crucible 4.
Molten silicon is contained in crucible 4, and in crucible 4 cooled and solidified, form silicon ingot.Because molten silicon temperature distributing disproportionation in process of setting is even,, so the temperature distribution of crucible 4 is also inhomogeneous, so just easily cause crucible 4 crackings, especially the sidewall of crucible 4 cracking, melt silicon and flow out from breach, and molten silicon leakage accident occurs.The pallet 10 of leak detecting device is arranged on the below of crucible 4, molten silicon flows out from crucible 4, will flow on pallet 10, and then fusing detection line 20, cause leak detecting device and send guard signal, make the staff can find and process leakage accident the very first time, will endanger and the damage control at minimum extent, guarantee the efficient and safety that silicon ingot is produced.
Preferably, the molten silicon of pallet 10 is accepted zone 12 and is arranged on accordingly the below of the junction of the sidewall of crucible 4 and diapire; The detection line 20 of leak detecting device is arranged on pallet 10 on the surface of crucible 4.Because the sidewall of crucible 4 easily ftractures, molten silicon is many to be leaked downwards from the sidewall of crucible 4 and the junction of diapire, be arranged on accordingly the below of the junction of the sidewall of crucible 4 and diapire so the molten silicon of pallet 10 is accepted zone 12, guarantee that the molten silicon that the molten silicon that leaks flows directly into pallet 10 accepts zone 12.
Preferably, the silicon ingot furnace also comprises heat-insulation cage 2, and heat-insulation cage 2 is arranged between body of heater 1 and crucible 4, and the bottom of heat-insulation cage 2 has opening, and the pallet 10 of leak detecting device is arranged on opening part.Pallet 10, as the bottom of heat-insulation cage 2, has formed closed heat-insulation and heat-preservation chamber jointly with heat-insulation cage 2.In addition, pallet 10 and heat-insulation cage 2 can also prevent that molten silicon from leaking into other parts of body of heater 1.
Preferably, the silicon ingot furnace also comprises graphite cake 9, and graphite cake 9 covers the outside of sidewall and the diapire of crucible 4.Graphite cake 9 can provide external bracing for crucible 4,, so that crucible 4 is not easy cracking, also can be used as the first protective layer after molten silicon leaks, and molten silicon is successfully flow on the pallet 10 that is positioned at crucible 4 belows.
Preferably, the silicon ingot furnace also comprises heat exchange platform 3, and heat exchange platform 3 is arranged on the downside of graphite cake 9.Heat exchange platform 3 contacts with the graphite cake 9 of the bottom wall outer that is arranged on crucible 4, and the heat of molten silicon is delivered on heat exchange platform 3, then by heat exchange platform 3, is dispersed into the below of heat exchange platform 3 by thermal-radiating form.
Preferably, the silicon ingot furnace also comprises that the first carbon bar 7 and the second carbon bar 8, the first carbon bars 7 are arranged on the edge of the below of heat exchange platform 3; The second carbon bar 8 is arranged on the edge of heat exchange platform 3, and is arranged between heat exchange platform 3 and crucible 4.The first carbon bar 7 and the second carbon bar 8 play heat insulation effect, stop heat exchange platform 3 to the surrounding radiations heat energy, only allow downward radiations heat energy of heat exchange platform 3, guarantee that radiating efficiency maximizes.
Preferably, the silicon ingot furnace also comprises cooling duct 5, and an end of cooling duct 5 is arranged on the outside of body of heater 1, and the other end of cooling duct 5 is arranged on the inside of body of heater 1.In the silicon ingot process of cooling, the silicon ingot furnace, to the interior logical cooling gas of body of heater 1, helps silicon ingot cooling by cooling duct 5.Cooling gas directly passes into the top of the interior crucible 4 of heat-insulation cage 2, and by the through hole 11 of pallet 10, discharges heat-insulation cage 2, takes away the heat in heat-insulation cage 2.
Preferably, cooling gas is at high temperature in stable condition, and not with body of heater 1 in the gas that reacts of all parts, such as rare gas elementes such as argon gas.
Preferably, the silicon ingot furnace also comprises asbestos substrate 6, and asbestos substrate 6 is arranged on the bottom of body of heater 1.When molten silicon leaks seriously, while even flowing to heat-insulation cage 2 outside, for fear of molten silicon, directly with body of heater 1, contact, even burn body of heater 1, thus in the bottom of body of heater 1, asbestos substrate 6 is set, to protect body of heater 1.
Preferably, water coolant has also circulated in body of heater 1 inside.Water coolant is used to the internal cooling of body of heater 1, and can form thermodynamic barrier, guarantees that the temperature in body of heater 1 outside can be not too high, guarantees the operation silicon ingot furnace that the staff can be safe.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. the leak detecting device of a silicon ingot furnace, is characterized in that, comprising:
Pallet (10), described pallet (10) comprise body regions (14) and around the molten silicon of the circumferential setting of described body regions (14), accept zone (12), and described molten silicon is accepted on zone (12) and is provided with a plurality of through holes (11);
Detection line (20), the described molten silicon that is arranged at described pallet (10) is accepted the upper surface of zone (12), and described detection line extends along the path that described a plurality of through holes (11) form, and the pin (21) of described detection line (20) passes a described through hole (11); And
Detecting unit, be electrically connected to described pin (21), for detection of the resistance of described detection line (20).
2. leak detecting device according to claim 1, is characterized in that, described molten silicon is accepted the upper surface of the upper surface in zone (12) lower than described body regions (14).
3. leak detecting device according to claim 1, is characterized in that, described leak detecting device also comprises insulation division (30), and described insulation division (30) is arranged between described detection line (20) and described pallet (10).
4. leak detecting device according to claim 3, it is characterized in that, described molten silicon is accepted on zone (12) and is provided with groove (13), and described insulation division (30) is arranged in described groove (13), and described detection line (20) is arranged on described insulation division (30).
5. leak detecting device according to claim 4, is characterized in that, described insulation division (30) comprises the ceramic tile (31) of a plurality of arcs, and described ceramic tile (31) is arranged in described groove (13).
6. silicon ingot furnace comprises:
Body of heater (1);
Crucible (4), be arranged in described body of heater (1);
It is characterized in that,
Described silicon ingot furnace also comprises the described leak detecting device of any one in claim 1 to 5, and the pallet of described leak detecting device (10) is arranged in described body of heater (1), and described pallet (10) is positioned at the below of described crucible (4).
7. silicon ingot furnace according to claim 6, it is characterized in that, described silicon ingot furnace also comprises heat-insulation cage (2), described heat-insulation cage (2) is arranged between described body of heater (1) and described crucible (4), the bottom of described heat-insulation cage (2) has opening, and the pallet of described leak detecting device (10) is arranged on described opening part.
8. silicon ingot furnace according to claim 6, is characterized in that, described silicon ingot furnace also comprises graphite cake (9), and described graphite cake (9) covers the sidewall of described crucible (4) and the outside of diapire.
9. silicon ingot furnace according to claim 8, is characterized in that, described silicon ingot furnace also comprises heat exchange platform (3), and described heat exchange platform (3) is arranged on the downside of described graphite cake (9).
10. silicon ingot furnace according to claim 6, it is characterized in that, described silicon ingot furnace also comprises cooling duct (5), and an end of described cooling duct (5) is arranged on the outside of described body of heater (1), and the other end of described cooling duct (5) is arranged on the inside of described body of heater (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203257827U CN203284496U (en) | 2013-06-06 | 2013-06-06 | Silicon ingot furnace and leakage detection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203257827U CN203284496U (en) | 2013-06-06 | 2013-06-06 | Silicon ingot furnace and leakage detection device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203284496U true CN203284496U (en) | 2013-11-13 |
Family
ID=49540869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203257827U Expired - Fee Related CN203284496U (en) | 2013-06-06 | 2013-06-06 | Silicon ingot furnace and leakage detection device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203284496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255470A (en) * | 2013-06-06 | 2013-08-21 | 英利集团有限公司 | Silicon ingot furnace and leakage detection device thereof |
| CN103866384A (en) * | 2014-03-23 | 2014-06-18 | 山西中电科新能源技术有限公司 | Polycrystalline silicon ingot furnace with overflow protection function |
-
2013
- 2013-06-06 CN CN2013203257827U patent/CN203284496U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255470A (en) * | 2013-06-06 | 2013-08-21 | 英利集团有限公司 | Silicon ingot furnace and leakage detection device thereof |
| CN103255470B (en) * | 2013-06-06 | 2016-02-10 | 英利集团有限公司 | Silicon ingot furnace and leak detecting device thereof |
| CN103866384A (en) * | 2014-03-23 | 2014-06-18 | 山西中电科新能源技术有限公司 | Polycrystalline silicon ingot furnace with overflow protection function |
| CN103866384B (en) * | 2014-03-23 | 2016-01-13 | 山西中电科新能源技术有限公司 | There is the polycrystalline silicon ingot or purifying furnace of flood protection feature |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102383183B (en) | Crystalline silicon ingot casting furnace | |
| CN203284496U (en) | Silicon ingot furnace and leakage detection device thereof | |
| CN103866384B (en) | There is the polycrystalline silicon ingot or purifying furnace of flood protection feature | |
| CN104981672B (en) | Induction furnace and the method for processing scrap metal to be stored | |
| CN202717879U (en) | Novel polysilicon ingot casting furnace overflow protection device | |
| CN103255470B (en) | Silicon ingot furnace and leak detecting device thereof | |
| CN212634307U (en) | Fusing type early warning air brick | |
| CN206916252U (en) | A kind of overflow monitoring device | |
| KR101244320B1 (en) | Apparatus for measuring temperature and method for measuring temperature using it | |
| CN203782274U (en) | Polycrystalline silicon ingot furnace with overflow protection function | |
| CN212720839U (en) | Leakage alarm device for runner brick | |
| CN207552495U (en) | A kind of polycrystalline ingot furnace of overflow early warning | |
| CN204111918U (en) | Silicon leakage of polycrystalline silicon ingot furnace monitoring and safety guard | |
| JP5274347B2 (en) | Molten metal leak detection method and detection apparatus | |
| KR101276453B1 (en) | Electric Furnace | |
| CN105509475B (en) | A kind of high leakproofness high temperature resistant gate and its application method | |
| CN103130224A (en) | Polysilicon ingot casting furnace silicon leakage detection holding apparatus | |
| CN103979780B (en) | A kind of device and method protecting molybdenum electrode to prevent electrode block from bursting | |
| CN102220636A (en) | Combined type crucible | |
| CN201626839U (en) | Fire-proof electrode seal ring for zirconia electric arc furnace | |
| CN206281343U (en) | Vacuum drying oven crucible bleed-out emergency set | |
| CN103173856A (en) | Device for detecting silicon leakage of ingot furnace | |
| CN103663925A (en) | Water jacket of glass-melting electrode for electric glass melting furnace | |
| CN203834050U (en) | Single crystal furnace thermal field graphite electrode and single crystal furnace | |
| US10145615B2 (en) | Structures of composite crucibles and high temperature adiabatic method in arc heating process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20160606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |