CN114562866B - Solar cell drying furnace - Google Patents
Solar cell drying furnace Download PDFInfo
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- CN114562866B CN114562866B CN202210145181.1A CN202210145181A CN114562866B CN 114562866 B CN114562866 B CN 114562866B CN 202210145181 A CN202210145181 A CN 202210145181A CN 114562866 B CN114562866 B CN 114562866B
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- 238000001035 drying Methods 0.000 title claims abstract description 80
- 238000010438 heat treatment Methods 0.000 claims abstract description 65
- 230000032258 transport Effects 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 239000002912 waste gas Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims 3
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 210000004027 cell Anatomy 0.000 description 76
- 239000003381 stabilizer Substances 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/122—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of material being carried by transversely moving rollers or rods which may rotate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/003—Handling, e.g. loading or unloading arrangements for articles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a solar cell drying furnace, comprising: the device comprises a heating module, a transmission module and a cooling module; the transmission module transports the solar cell to the heating module to be heated and dried, and then transports the dried solar cell to the cooling module to be cooled. When the solar cell drying furnace provided by the invention is used for drying and heating the solar cell, the solar cell is transported by adopting the fixing of the transmission module, so that the transmission module does not move relative to the heating module when the solar cell is transported, and therefore, the transmission module does not take out heat in the heating module when the solar cell is transported, the heat loss of the heating module is further reduced, the drying efficiency of the solar cell is improved, and the energy consumption of the heating module is reduced.
Description
Technical Field
The invention relates to the technical field of solar cell production, in particular to a solar cell drying furnace.
Background
In the production of solar cells, after the solar cells are printed, the solar cells with the paste need to be dried. The solar cell is transmitted into the drying equipment through the transmission network chain to be heated and dried. Among the prior art, solar cell passes through the transmission of transmission network chain, and in the transmission course, the transmission network chain can be transported along with solar cell piece removes together, and transmission network chain both ends are outside at the drying oven equipment, can take the drying oven with the heat in the drying oven out of in equipment operation, and for keeping the interior temperature of stove decide, heating mechanism needs to increase heat output, leads to the drying oven energy consumption height. Therefore, there is a need for a solar cell drying oven that at least partially solves the problems of the prior art.
Disclosure of Invention
A series of concepts in a simplified form are introduced in the summary section, which is described in further detail in the detailed description section. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a solar cell drying oven including: the device comprises a heating module, a transmission module and a cooling module;
the transmission module transports the solar cell to the heating module to be heated and dried, and then transports the dried solar cell to the cooling module to be cooled.
Preferably, the transfer module comprises a drying transport line; the drying and transporting line is arranged in the heating module and can transport the solar cells in the heating module, a plurality of support rings are arranged on the drying and transporting line, and the solar cells are supported on the drying and transporting line through the support rings.
Preferably, the drying and transporting line is composed of a plurality of conveying rollers, the supporting rings are arranged on the conveying rollers, and the solar cells are supported on the conveying rollers through the supporting rings.
Preferably, the support ring is made of ceramic.
Preferably, the conveying module further comprises a feeding line and a discharging line; the feeding line is located in front of the drying conveying line and used for conveying the solar cells to the drying conveying line, and the discharging line is arranged behind the drying conveying line and located in the cooling module and used for conveying the dried solar cells from the heating module to the cooling module for cooling.
Preferably, the drying and transporting line is formed by assembling a motor, two tensioning mechanisms, two chains and a plurality of connecting rods, the two ends of each connecting rod are respectively connected with the two chains, the two tensioning mechanisms are respectively arranged on the two chains, the motor drives the two chains to rotate through a transmission mechanism, the supporting ring is arranged on the connecting rod, and the solar cell is supported on the connecting rod through the supporting ring.
Preferably, the top of the heating module is provided with a blowing device, the bottom of the heating module is provided with an air exhaust device, and the heating module is internally provided with a preheating module and a constant temperature module; the constant temperature module comprises a plurality of constant temperature cavities, heating pipes are arranged in the preheating module and the constant temperature cavities, and two thermocouple sensors are arranged in the constant temperature cavities; and the two thermocouple sensors are respectively connected with the temperature control module and the controller.
Preferably, the support ring comprises a material injection ring, a bearing ring, two runner baffles, two sealing baffles and a sealing ring; all be provided with a plurality of axial runner on the inner wall of bearing ring and the outer wall, be provided with a plurality of runner hole on the runner baffle, the length in runner hole can be with two adjacent axial runner intercommunications, two the runner baffle is located respectively the both sides of bearing ring, and two on the runner baffle the crisscross setting of runner hole, sealing baffle is located the outside of runner baffle, the sealing ring cover is established on the outer wall of bearing ring, annotate the material ring and set up on the inner wall of bearing ring, be provided with the runner hole with the axial runner intercommunication of the axial runner of outer wall and inner wall on the bearing ring, annotate the inner wall of material ring with stoving supply line swing joint.
Preferably, the air exhaust device is provided with a circulating system, and the circulating system comprises a filtering assembly and two air conveying pipes; the filter assembly with air exhaust device connects, and two gas-supply pipes all set up on the filter assembly to two gas-supply pipes pass through current stabilizer respectively with preheat the module with constant temperature cavity intercommunication, current stabilizer includes gas core and inner cup, current stabilizer passes through the gas core run through to preheat the module with inside the constant temperature cavity, the inner cup with the outer wall joint of gas core, be provided with the horn pipe through the pterygoid lamina in the gas core, the great one end of horn pipe diameter is located the outside of gas core.
Preferably, the filter assembly comprises an inner conduit and an outer conduit; the inner pipeline is communicated with the constant-temperature cavity through the gas conveying pipe, the outer pipeline is communicated with the preheating module through the other gas conveying pipe, the inner pipeline is communicated with the air exhaust device, the outer pipeline is communicated with the inner pipeline, and a temperature rise device and a filter cylinder are arranged inside the inner pipeline; the filter cartridge is arranged between the communication position of the outer pipeline and the inner pipeline and the communication position of the air exhaust device and the inner pipeline, and the temperature rising device is arranged in the inner pipeline and is positioned outside the filter cartridge.
Compared with the prior art, the invention at least comprises the following beneficial effects:
when the solar cell drying furnace provided by the invention is used for drying and heating the solar cell, the solar cell is transported by adopting the fixing of the transmission module, so that the transmission module does not move relative to the heating module when the solar cell is transported, and therefore, the transmission module does not take out heat in the heating module when the solar cell is transported, the heat loss of the heating module is further reduced, the drying efficiency of the solar cell is improved, and the energy consumption of the heating module is reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of an internal structure of a solar cell drying oven according to the present invention.
Fig. 2 is a schematic structural view of a solar cell drying oven according to the present invention.
Fig. 3 is a schematic structural view of a solar cell drying oven according to a first embodiment of the present invention.
Fig. 4 is a schematic structural view of a second embodiment of a solar cell drying oven according to the present invention.
Fig. 5 is a schematic structural view of a solar cell drying oven according to a third embodiment of the present invention.
Fig. 6 is a partial enlarged view of the motor of fig. 5.
Fig. 7 is an enlarged view of a portion of the tensioning mechanism of fig. 5.
Fig. 8 is an exploded cross-sectional view of a support ring in a solar cell drying oven according to the present invention.
Fig. 9 is a schematic cross-sectional view of a support ring in a solar cell drying furnace according to the present invention.
Fig. 10 is a schematic view illustrating the flow of the heat transfer fluid in the support ring of the solar cell drying oven according to the present invention.
Fig. 11 is a schematic structural view of a circulation system in a solar cell drying oven according to the present invention.
Fig. 12 is a schematic structural view of a current stabilizer in a solar cell drying oven according to the present invention.
Fig. 13 is a schematic structural view of a filter assembly in a solar cell drying oven according to the present invention.
In the figure: 1 heating module, 2 transmission module, 21 drying transportation line, 211 transmission roller, 212 motor, 213 tensioning mechanism, 214 chain, 215 connecting rod, 22 feeding line, 23 discharging line, 3 cooling module, 4 supporting ring, 41 injection ring, 42 bearing ring, 421 axial flow channel, 43 flow channel baffle, 431 flow channel hole, 44 sealing baffle, 45 sealing ring, 5 filtering component, 51 inner pipeline, 511 warming device, 512 filtering cylinder, 52 outer pipeline, 6 flow stabilizer, 61 gas core, 62 inner cover, 63 horn tube.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 13, the present invention provides a solar cell drying oven, including: a heating module 1, a transmission module 2 and a cooling module 3;
the transmission module 2 transports the solar cell to the heating module 1 for heating and drying, and then transports the dried solar cell to the cooling module 3 for cooling.
The working principle and the beneficial effects of the technical scheme are as follows: through the design of above-mentioned structure, this drying furnace is when drying and heating solar cell, adopt transmission module 2 immobilization to transport solar cell, both in solar cell transportation, relative motion can not appear in relative heating module 1 for transmission module 2 to make when transporting solar cell, transmission module 2 can not take out the heat in the heating module 1, and then reduce the heat loss that heats module 1, improve solar cell's drying efficiency, reduce the energy resource consumption that heats module 1.
The transmission module 2 comprises a drying transport line 21; the drying and transporting line 21 is arranged in the heating module 1, the solar cell can be transported in the heating module 1, the drying and transporting line 21 is provided with a plurality of support rings 4, and the solar cell is supported on the drying and transporting line 21 through the support rings 4.
The working principle and the beneficial effects of the technical scheme are as follows: through the design of above-mentioned structure, stoving transport line 21 among the transmission module 2 sets up in heating module 1, can make solar cell dry the transportation in heating module 1 to be provided with support ring 4 on stoving transport line 21, support solar cell's surface through support ring 4, can reduce the area of contact of stoving transport line 21 with solar cell, change the face contact among the prior art into the point contact, with this pollution that reduces stoving transport line 21 to solar cell surface. The support ring 4 is usually made of non-metal high temperature resistant material.
In the first embodiment, the drying transport line 21 is composed of a plurality of transport rollers 211, the support rings 4 are disposed on the transport rollers 211, and the solar cells are supported on the transport rollers 211 by the support rings 4. In a second embodiment, the support ring 4 is made of ceramic.
The working principle and the beneficial effects of the technical scheme are as follows: in the first embodiment, the drying transport line 21 is assembled by using the transport rollers 211, the support rings 4 are arranged on the transport rollers 211, and the transport rollers 211 are driven by the driving device to rotate, so as to transport the solar cells thereon, and by the above structural design, the solar cells can translate relative to the drying transport line 21, and the drying transport line 21 does not translate relative to the heating module 1, so as to ensure that the drying transport line 21 is always located in the heating module 1 and does not form heat exchange with the outside, thereby reducing the heat loss of the heating module 1 on the transport module 2, and further reducing the energy consumption of the heating module 1; in the second embodiment, the conveying roller 211 is also used as a conveying mode of the drying conveying line 21, and the support ring 4 is made of ceramic, and the ceramic has the characteristics of high temperature resistance and high specific heat, so that the service life of the support ring 4 can be prolonged.
In a third embodiment, the transport module 2 further comprises an infeed line 22 and an outfeed line 23; the feeding line 22 is located in front of the drying transportation line 21 and used for transporting the solar cells to the drying transportation line 21, and the discharging line 23 is located behind the drying transportation line 21 and located in the cooling module 3 and used for transporting the dried solar cells from the heating module 1 to the cooling module 3 for cooling. The drying and transporting line 21 is formed by assembling a motor 212, two tensioning mechanisms 213, two chains 214 and a plurality of connecting rods 215, two ends of each connecting rod 215 are respectively connected with the two chains 214, the two tensioning mechanisms 213 are respectively arranged on the two chains 214, the motor 212 drives the two chains 214 to rotate through a transmission mechanism, the support ring 4 is arranged on the connecting rod 215, and a solar cell is supported on the connecting rod 215 through the support ring 4. The top of the heating module 1 is provided with a blowing device, the bottom of the heating module 1 is provided with an air exhaust device, and the heating module 1 is internally provided with a preheating module and a constant temperature module; the constant temperature module comprises a plurality of constant temperature cavities, heating pipes are arranged in the preheating module and the constant temperature cavities, and two thermocouple sensors are arranged in the constant temperature cavities; and the two thermocouple sensors are respectively connected with the temperature control module and the controller.
The working principle and the beneficial effects of the technical scheme are as follows: in this embodiment, a transmission mode that the solar cell does not move relative to the drying transport line 21 is adopted, so that the feeding line 22 and the discharging line 23 are arranged at two ends of the drying transport line 21 to facilitate the solar cell to enter and exit the heating module 1, a part of the feeding line 22 is located in the preheating module in the heating module 1, the drying transport line 21 is located in the thermostatic cavity, the solar cell is firstly transported to the drying transport line 21 through the feeding line 22, then transported on the drying transport line 21 along with the connecting rod 215, and finally leaves the heating module 1 to enter the cooling module 3 through the discharging line 23, two ends of the connecting rod 215 are connected with the chain 214, the chain 214 drives the connecting rod 215 to move under the driving of the motor 212, so that the solar cell on the connecting rod 215 moves, the tensioning mechanism 213 can adjust the tensioning degree of the chain 214, prevent the chain 214 from being loosened, knotted and influencing the transportation of the solar cell after being heated, the solar cell can be stationary relative to the connecting rod 215 in the transportation process, and prevent the solar cell from sliding relative between the solar cell and the supporting ring 1 from being damaged by blowing air, and the air exhaust device can exhaust the drying module and exhaust the heating module from the lower part of the drying module.
In one embodiment, the support ring 4 comprises a filler ring 41, a bearing ring 42, two flow passage baffles 43, two sealing baffles 44 and a sealing ring 45; the inner wall and the outer wall of the bearing ring 42 are both provided with a plurality of axial flow channels 421, the flow channel baffle 43 is provided with a plurality of flow channel holes 431, the length of each flow channel hole 431 can communicate two adjacent axial flow channels 421, the two flow channel baffles 43 are respectively positioned at two sides of the bearing ring 42, the flow channel holes 431 on the two flow channel baffles 43 are arranged in a staggered manner, the sealing baffle 44 is positioned at the outer side of the flow channel baffle 43, the sealing ring 45 is sleeved on the outer wall of the bearing ring 42, the material injection ring 41 is arranged on the inner wall of the bearing ring 42, the bearing ring 42 is provided with flow holes for communicating the axial flow channels 421 of the outer wall with the axial flow channels 421 of the inner wall, and the inner wall of the material injection ring 41 is movably connected with the drying and conveying line 21.
The working principle and the beneficial effects of the technical scheme are as follows: through the design of the above structure, the support ring 4 can play a role of supporting and simultaneously playing a role of heat equalization, thereby preventing the solar cell from being incapable of drying at the supporting part of the support ring 4, when the support ring 4 is installed, a medium for heat transfer needs to be injected into the support ring 4 through the material injection ring 41, the axial flow channel 421 and the flow channel hole 431 can be filled with the medium, the sealing baffle 44 and the sealing ring 45 can prevent the medium from scattering to pollute the solar cell, when the solar cell is transported, the temperature of the part of the support ring 4 in contact with the solar cell is relatively low, after the part not in contact absorbs heat in the constant temperature cavity, heat transfer is carried out through the medium, the heat of the medium in the two adjacent axial flow channels 421 can be transferred through the communicated flow channel hole 431, as shown in fig. 10, thereby ensuring that the contact position of the support ring 4 and the solar cell can also be dried and heated, the material injection hole is arranged on the material injection ring 41, and ensuring that the inner wall of the material injection ring 41 can not flow out from the material injection hole under the effect of medium, and simultaneously, the surface of the solar cell can be prevented from being damaged when the solar cell is transported, thereby preventing the solar cell from being scratched when the surface of the solar cell 4 from being damaged.
In one embodiment, the air extraction device is provided with a circulating system, and the circulating system comprises a filtering assembly 5 and two air conveying pipes; filtration component 5 with air exhaust device connects, and two gas-supply pipes all set up filtration component 5 is last to two gas-supply pipes pass through current stabilizer 6 respectively with preheat the module with constant temperature cavity intercommunication, current stabilizer 6 includes gas core 61 and inner cup 62, current stabilizer 6 passes through gas core 61 runs through extremely preheat the module with inside the constant temperature cavity, inner cup 62 with the outer wall joint of gas core 61, be provided with horn tube 63 through the pterygoid lamina in the gas core 61, the great one end of horn tube 63 diameter is located the outside of gas core 61. The filter assembly 5 comprises an inner conduit 51 and an outer conduit 52; the inner pipeline 51 is communicated with the constant-temperature cavity through the air conveying pipe, the outer pipeline 52 is communicated with the preheating module through the other air conveying pipe, the inner pipeline 51 is communicated with the air exhaust device, the outer pipeline 52 is communicated with the inner pipeline 51, and a temperature rise device 511 and a filter cylinder 512 are arranged inside the inner pipeline 51; the filter cartridge 512 is disposed between the connection between the outer pipeline 52 and the inner pipeline 51 and the connection between the air-extracting device and the inner pipeline 51, and the temperature-increasing device 511 is disposed in the inner pipeline 51 and outside the filter cartridge 512.
The working principle and the beneficial effects of the technical scheme are as follows: through the design of the structure, the air extractor extracts the organic matters in the heating module 1 and then the organic matters enter the filtering assembly 5, the waste gas can be divided into two paths in the filtering assembly 5 to be recycled, one part of the waste gas enters the inner pipeline 51 after being filtered by the filter cartridge 512, then the waste gas is conveyed into the constant-temperature cavity through the air pipe after being heated by the heating device 511 to be dried, the preheating module only plays a role of preheating, the heat of the waste gas directly flows back to the preheating module without being filtered by the organic matters to preheat the solar cell, the current stabilizer 6 finishes the fixation of the air pipe, the preheating module and the constant-temperature cavity through the clamping of the inner cover 62 and the air core 61, the horn pipe 63 is arranged on the air core 61, the hot gas flowing back through the air pipe can be subjected to current stabilization and diffusion, the coverage area of the hot gas flowing back is increased, the waste gas extracted by the air extractor can be recycled as secondary hot air through the design of the structure, the energy consumption of the heating module 1 is reduced, and the heat loss is reduced.
Because the filter cartridge 512 is made of a uniform porous medium, it is necessary to first apply the exhaust gas to the preheating module according to a formula so as to filter the gas without affecting the transmission speed of the exhaust gas and to allow the exhaust gas to be directly applied to the preheating module without heating
Calculating the speed V when the waste gas directly flows to the preheating module under the condition of no heat loss, namely the lowest speed value provided by the air extraction device; wherein Q is the heat value of the waste gas pumped by the air pumping device; ρ is the density of the exhaust gas; c is the specific heat capacity of the waste gas; t is the current real-time temperature.
The corresponding air extractor can be selected by calculating the flow speed of the waste gas, and the calculated numerical value is substituted into the formula
Wherein the content of the first and second substances,
porosity of the filter element of the filter cartridge 512; τ is the kinematic viscosity of the exhaust gas; v. of i I-direction velocity, i.e., x-direction, y-direction, and z-direction velocity, of the exhaust gas entering the filter element of the filter cartridge 512; s i The momentum source items in the i direction, namely the momentum source items in the x direction, the y direction and the z direction; σ is the inertial resistance factor.
The porosity of the filter element of the filter cartridge 512 required to be selected by the current air extractor can be calculated by the above formula. Select the filter core that suits through cartridge filter 512, can be so that this solar cell drying furnace is when drying the operation, the secondary that gets into preheating the module can have sufficient heat to heat solar cell, reduce the required heating's of heating pipe difference in preheating the module, thereby reduce the energy consumption of heating pipe in preheating the module, with reduction in production cost, cartridge filter 512 can reduce the heat loss when guaranteeing the filter effect simultaneously, thereby make the hot-blast and the difference in temperature in the constant temperature cavity of backward flow to constant temperature cavity reduce, and then reduce the energy consumption of heating pipe in the constant temperature cavity, so as to improve the heating efficiency who heats module 1 with this, reduce the energy consumption.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the invention.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (4)
1. A solar cell drying oven, characterized by comprising: a heating module (1), a transport module (2) and a cooling module (3);
the transmission module (2) transports the solar cell to the heating module (1) for heating and drying, and then transports the dried solar cell to the cooling module (3) for cooling;
the transmission module (2) comprises a drying transport line (21); the drying and conveying line (21) is arranged in the heating module (1) and can convey the solar cells in the heating module (1), the drying and conveying line (21) is composed of a plurality of conveying rollers (211), a plurality of support rings (4) are arranged on the conveying rollers (211), and the solar cells are supported on the conveying rollers (211) through the support rings (4);
the support ring (4) comprises a material injection ring (41), a bearing ring (42), two flow passage baffles (43), two sealing baffles (44) and a sealing ring (45); a plurality of axial flow channels (421) are arranged on the inner wall and the outer wall of the bearing ring (42), a plurality of flow channel holes (431) are arranged on the flow channel baffle plates (43), the length of each flow channel hole (431) can communicate two adjacent axial flow channels (421), the two flow channel baffle plates (43) are respectively positioned on two sides of the bearing ring (42), the flow channel holes (431) on the two flow channel baffle plates (43) are arranged in a staggered manner, the sealing baffle plates (44) are positioned on the outer sides of the flow channel baffle plates (43), the sealing rings (45) are sleeved on the outer wall of the bearing ring (42), the material injection rings (41) are arranged on the inner wall of the bearing ring (42), the bearing ring (42) is provided with circulation holes for communicating the axial flow channels (421) of the outer wall with the axial flow channels (421) of the inner wall, and the inner walls of the material injection rings (41) are movably connected with the drying and conveying line (21);
the top of the heating module (1) is provided with a blowing device, the bottom of the heating module (1) is provided with an air exhaust device, and a preheating module and a constant temperature module are arranged in the heating module (1); the constant temperature module comprises a plurality of constant temperature cavities, heating pipes are arranged in the preheating module and the constant temperature cavities, and two thermocouple sensors are arranged in the constant temperature cavities; the two thermocouple sensors are respectively connected with the temperature control module and the controller;
the air extraction device is provided with a circulating system, and the circulating system comprises a filtering component (5) and two air conveying pipes; the filter assembly (5) is connected with the air extracting device, the two air conveying pipes are arranged on the filter assembly (5) and are respectively communicated with the preheating module and the constant-temperature cavity through a flow stabilizing device (6), the flow stabilizing device (6) comprises an air core (61) and an inner cover (62), the flow stabilizing device (6) penetrates through the air core (61) to the preheating module and the constant-temperature cavity, the inner cover (62) is clamped with the outer wall of the air core (61), a horn tube (63) is arranged in the air core (61) through a wing plate, and the end, with the larger diameter, of the horn tube (63) is located on the outer side of the air core (61);
the filter assembly (5) comprises an inner pipe (51) and an outer pipe (52); the inner pipeline (51) is communicated with the constant-temperature cavity through the air conveying pipe, the outer pipeline (52) is communicated with the preheating module through the other air conveying pipe, the inner pipeline (51) is communicated with the air extraction device, the outer pipeline (52) is communicated with the inner pipeline (51), and a temperature rise device (511) and a filter cylinder (512) are arranged inside the inner pipeline (51); the filter cartridge (512) is arranged between the communication between the outer pipeline (52) and the inner pipeline (51) and the communication between the air exhaust device and the inner pipeline (51), and the temperature increasing device (511) is arranged in the inner pipeline (51) and is positioned outside the filter cartridge (512);
the filter cartridge (512) is made of a uniform porous medium, and is required to be firstly applied to the preheating module according to a formula in order to filter gas and not influence the transmission speed of waste gas, and simultaneously ensure that the waste gas can be directly applied to the preheating module without being heated
Calculating the speed V when the waste gas directly flows to the preheating module under the condition of no heat loss, namely the lowest speed value provided by the air extraction device; wherein
The heat value of the waste gas pumped by the air pumping device;
is the density of the exhaust gas;
is the specific heat capacity of the exhaust gas;
is the current real-time temperature of the air conditioner,
through calculating the flow speed of the waste gas, the corresponding air extractor can be selected, and the calculated numerical value is substituted into the formula
Wherein, the first and the second end of the pipe are connected with each other,
porosity of the filter element being the filter cartridge 512;
is the kinetic viscosity of the exhaust gas;
i-direction velocity, i.e., x-direction, y-direction, and z-direction velocity, of the exhaust gas entering the filter element of the filter cartridge 512;
the momentum source items in the i direction, namely the momentum source items in the x direction, the y direction and the z direction;
the porosity of the filter element of the filter cartridge (512) required to be selected by the current air extractor can be calculated through the formula as the inertial resistance factor.
2. The solar cell drying oven according to claim 1, characterized in that the support ring (4) is made of ceramic material.
3. Solar cell oven according to claim 1, wherein the transport module (2) further comprises a feed line (22) and a discharge line (23); the feeding line (22) is located in front of the drying conveying line (21) and used for conveying the solar cells to the drying conveying line (21), and the discharging line (23) is arranged behind the drying conveying line (21) and located in the cooling module (3) and used for conveying the dried solar cells from the heating module (1) to the cooling module (3) for cooling.
4. The solar battery drying oven according to claim 3, characterized in that the drying transport line (21) is assembled by a motor (212), two tensioning mechanisms (213), two chains (214) and a plurality of connecting rods (215), wherein two ends of the connecting rods (215) are respectively connected with the two chains (214), the two tensioning mechanisms (213) are respectively arranged on the two chains (214), the motor (212) drives the two chains (214) to rotate through a transmission mechanism, the support ring (4) is arranged on the connecting rods (215), and the solar battery is supported on the connecting rods (215) through the support ring (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210145181.1A CN114562866B (en) | 2022-02-17 | 2022-02-17 | Solar cell drying furnace |
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| CN202210145181.1A CN114562866B (en) | 2022-02-17 | 2022-02-17 | Solar cell drying furnace |
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| CN114562866B true CN114562866B (en) | 2023-03-24 |
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