CN213357352U - Kiln multi-line photovoltaic glass production line - Google Patents
Kiln multi-line photovoltaic glass production line Download PDFInfo
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- CN213357352U CN213357352U CN202021912491.4U CN202021912491U CN213357352U CN 213357352 U CN213357352 U CN 213357352U CN 202021912491 U CN202021912491 U CN 202021912491U CN 213357352 U CN213357352 U CN 213357352U
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- 239000011521 glass Substances 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 54
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- 230000008018 melting Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 16
- 238000007650 screen-printing Methods 0.000 claims description 14
- 238000000137 annealing Methods 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000009501 film coating Methods 0.000 claims description 9
- 239000007888 film coating Substances 0.000 claims description 9
- 238000007688 edging Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 description 18
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
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- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
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- 239000006060 molten glass Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000007761 roller coating Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model discloses a kiln multi-line photovoltaic glass production line, which comprises a melting kiln, two branch passages and a plurality of branch lines, wherein the branch passages are symmetrically arranged at two sides of the rear end of the melting kiln and are parallel to the central line of the melting kiln, and one end of each branch passage, which is far away from the melting kiln, is vertically provided with the plurality of branch lines; each branch line comprises a raw sheet production working section and a raw sheet processing working section, a conveying roller way is arranged between the raw sheet production working section and the raw sheet processing working section, the conveying roller way is perpendicular to the raw sheet production working section and the raw sheet processing working section, the raw sheet production working section and the raw sheet processing working section are arranged in an anti-parallel mode, and glass on each raw sheet production working section is conveyed to the corresponding raw sheet processing working section through the conveying roller way. The utility model discloses the production line is arranged compactly, can effectively reduce factory building length, and the factory building high-usage utilizes the utilization ratio of continuity and equipment that the piece device can guarantee production about utilizing when overhaul of the equipments shut down.
Description
Technical Field
The utility model belongs to the technical field of glass production, in particular to multi-thread photovoltaic glass production line of a kiln.
Background
The traditional photovoltaic glass production line has two processes of off-line and on-line. The off-line process refers to the processes of putting the glass subjected to melting, forming, annealing and cutting on a rack, transferring the glass to a processing line for edging, cleaning, coating/silk-screen printing, toughening and the like. The process scheme has low requirements on plants, is flexible in arrangement, increases the transfer process, has low production efficiency and increased production cost, and increases the risk of glass damage in the transfer process.
The connection process is that the glass after melting, forming, annealing and cutting is directly connected to a processing line through a roller conveyor without transferring for edging, cleaning, coating/silk-screen printing, toughening and the like. The technical scheme has the advantages of high production continuity, high automation degree, high production efficiency and relatively low cost, but the technical scheme requires centralized factory buildings and large area, and equipment failure in any process can stop the whole production line, so that the equipment utilization rate is low.
With the development trend of thinning photovoltaic glass and large-scale melting furnace, the large-tonnage one-furnace multi-line process technology is gradually applied. In the application process of a melting furnace with the melting capacity of more than 1000 tons per day and a photovoltaic glass production line with more than 6 lines in one furnace, the defects of the traditional off-line and on-line process schemes become barriers for high-efficiency production.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned defect, provide a arrange the multi-thread photovoltaic glass production line of a kiln that compactness, equipment utilization are high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a multi-thread photovoltaic glass production line of a kiln, includes melting furnace, two branch passageways and a plurality of branch lines, a passageway symmetry set up in melting furnace rear end and with the central line of melting furnace is parallel, every the branch passageway is kept away from the one end of melting furnace sets up many perpendicularly the branch line.
Each branch line comprises a raw sheet production working section and a raw sheet processing working section, a conveying roller way is arranged between the raw sheet production working section and the raw sheet processing working section, the conveying roller way is perpendicular to the raw sheet production working section and the raw sheet processing working section, the raw sheet production working section and the raw sheet processing working section are arranged in an anti-parallel mode, and glass on each raw sheet production working section is conveyed to the corresponding raw sheet processing working section through the conveying roller way.
Furthermore, the original sheet production section of each branch line comprises a calender set, an annealing kiln and a cutting device which are connected in sequence; the original sheet processing section of each branch line comprises an edging device, a cleaning device, a film coating/silk screen printing device, a toughening device and a stacking and sheet discharging device which are connected in sequence.
Furthermore, an upper sheet feeding device and a lower sheet feeding device are arranged on the conveying roller way.
Further, each branch line can produce photovoltaic glass with the same or different specification sizes according to requirements.
Furthermore, the number of the branch lines arranged on each branch channel is 3-5.
The beneficial effects of the utility model reside in that:
1. the raw materials are melted into uniform molten glass at high temperature by a melting furnace, and the uniform molten glass is formed, annealed and cut by an original sheet production section, then is conveyed in a turning way by a conveying roller way, and is subjected to edge grinding, punching, cleaning, film coating/silk screen printing, toughening, stacking, sheet discharging and other processes along a direction parallel to the forming, annealing and cutting process. The production line is compactly arranged, the length of a factory building can be effectively reduced, and the utilization rate of the factory building is high.
2. The cut glass on each original sheet production section is respectively conveyed to different original sheet processing sections through the turning of a conveying roller way; the original sheet processing working section can be respectively provided with film coating or silk screen printing equipment according to requirements to respectively produce the photovoltaic cover plate and the photovoltaic back plate glass, and the product scheme is flexible and various.
3. Each branch line is provided with an upper sheet loading device and a lower sheet loading device after the cutting process, and when the front end calender set, the annealing kiln and the cutting device are overhauled and stopped, semi-finished glass can be conveyed to a rear end processing line through the sheet loading devices; when the rear end processing line equipment (the edge grinding device, the cleaning device, the film coating/silk screen printing device, the toughening device and the stacking and unloading device) is overhauled and stopped, the stacking and the shelving can be carried out on the unloading device, and the production continuity and the equipment utilization rate are ensured.
Drawings
FIG. 1 is a schematic view of the production line structure of the present invention;
wherein: 1-melting furnace, 2-channel, 3-calender set, 4-annealing furnace, 5-cutting device, 6-loading and unloading device, 7-conveying roller table, 8-edging device, 9-cleaning device, 10-coating/silk-screen printing device, 11-toughening device and 12-stacking and unloading device.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific embodiments. The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art, and the present invention will only be defined by the appended claims.
As shown in figure 1, the production line for the photovoltaic glass with one kiln and multiple lines comprises a melting furnace 1, two branch channels 2 and multiple branch lines, wherein the branch channels 2 are symmetrically arranged on two sides of the rear end of the melting furnace 1 and are parallel to the central line of the melting furnace 1. The melting furnace 1 is connected with each branch channel 2 through a neck, and the neck is vertical to the central line of the melting furnace 1.
And a plurality of branch lines are vertically arranged at one end of each branch channel 2 far away from the melting furnace 1. The number of the branch lines connected on each branch channel 2 can be 3-5, and can be more according to the size of the plant area and the production requirement.
Each branch line comprises a raw sheet production working section and a raw sheet processing working section, a conveying roller way 7 is arranged between the raw sheet production working section and the raw sheet processing working section, the conveying roller way 7 is perpendicular to the raw sheet production working section and the raw sheet processing working section, the raw sheet production working section and the raw sheet processing working section are arranged in an anti-parallel mode, and glass on each raw sheet production working section is conveyed to the corresponding raw sheet processing working section through the conveying roller way 7.
Furthermore, the original sheet production section of each branch line comprises a calender set 3, an annealing kiln 4 and a cutting device 5 which are connected in sequence; the original sheet processing section of each branch line comprises an edging device 8, a cleaning device 9, a film coating/silk screen printing device 10, a toughening device 11 and a stacking and sheet discharging device 12 which are connected in sequence.
The technical process and the device are all general terms and equipment in the glass industry.
The annealing kiln 4 generally comprises a shell, a conveying roller way (including a transmission station), an electric heating fan, a cooling fan, an automatic control system and the like. The temperature of the formed glass ribbon is about 750 ℃, and the formed glass ribbon continuously enters an annealing kiln to control the temperature reduction speed to be below 150 ℃ so as to eliminate the internal stress of the glass.
The cutting device 5 is divided into transverse cutting and longitudinal cutting, and comprises mechanisms such as a conveying roller way, a speed measuring wheel, a transverse cutting machine, a transverse breaking machine, a longitudinal cutting machine, an edge breaking, a longitudinal breaking and splitting machine, detection, acceleration, plate falling, an automatic control system and the like. And according to the requirements of glass specifications, transversely and longitudinally cutting the annealed continuous glass ribbon, transversely and longitudinally breaking the annealed continuous glass ribbon, removing edges, and conveying the annealed continuous glass ribbon to a lower sheet area after quality detection.
The edge grinding device 8 mainly comprises a conveying roller way, an edge grinding wheel, a water spraying, positioning/fixing device, an automatic control system and other mechanisms. The glass plate is positioned on a roller conveyor, moves forwards while contacting with an edge grinding wheel through a positioning/fixing device, and the edges of the glass plate are ground into a C shape or a semi-circle shape and subjected to chamfering treatment.
The cleaning device 9 comprises components such as a roller brush, a high-pressure water spray system and a control system, the glass plate enters the cleaning machine through the conveying roller way, and dirt such as dust, roller marks, glass scraps and the like attached to the surface of the glass plate is cleaned through the roller brush and the high-pressure washing.
Generally, photovoltaic glass cover plate glass needs to be coated with an antireflection film in a roller coating mode so as to improve the transmittance of the glass and increase the photoelectric conversion efficiency of a photovoltaic module. The coating device 10 mainly comprises a conveying roller way, a preheating part, a roller coating part, a drying part, a control part and the like. Preheating the cleaned glass plate, uniformly coating the film coating liquid on the surface of the glass, and drying to form a layer of antireflection film.
Generally, the photovoltaic glass back plate glass needs to be printed with a white or black glaze layer in a screen printing mode to cover the positions of a lead and the like on the back of a photovoltaic module. The screen printing device 10 mainly comprises preheating, screen printing, coating mechanism, drying and controlling parts. The cleaned glass plate is preheated, silk-screen printed (screen plates are manufactured according to different shape requirements) and dried to form a white or black glaze layer on the surface of the glass.
In order to improve the impact resistance, wind pressure resistance and other strength of the photovoltaic module in the using process, the photovoltaic glass generally needs to be subjected to glass strengthening treatment. The tempering device 11 generally adopts a physical tempering process, continuously conveys the glass plate to a horizontal tempering furnace, heats the glass to over 600 ℃, and rapidly cools the glass to room temperature, so that a pressure stress layer is formed on the surface structure of the glass, thereby improving the strength of the glass.
Furthermore, an upper and lower plate device 6 is arranged on the conveying roller way 7. When the front end calender set, the annealing kiln and the cutting device are overhauled and stopped, the semi-finished glass can be conveyed to a processing line at the rear end through the sheet feeding device; when the rear end processing line equipment (the edge grinding device, the cleaning device, the film coating/silk screen printing device, the toughening device and the stacking and unloading device) is overhauled and stopped, the stacking and the shelving can be carried out on the unloading device, and the production continuity and the equipment utilization rate are ensured.
The upper and lower sheet devices 6 are divided into horizontal stacking and vertical stacking and comprise a sucking disc, a manipulator/stacker, an automatic control system and the like. The blanking process is that the cut and inspected glass is transferred to a glass packaging frame by a sucker through a manipulator/a stacker. And the upper piece is the reverse process of the lower piece process, and the glass plate on the packaging frame is transferred onto the conveying roller way through the sucking disc.
Further, each branch produces photovoltaic glass of the same or different gauge size as desired.
The cut glass on each original sheet production section is respectively conveyed to different original sheet processing sections through the turning of the conveying roller way 7; each original sheet processing section can be respectively provided with a film coating or silk screen printing device according to requirements to respectively produce the photovoltaic cover plate and the photovoltaic back plate glass, and the product scheme is flexible and various.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (5)
1. The production line for the photovoltaic glass with one kiln and multiple wires comprises a melting kiln (1), two branch channels (2) and multiple branch wires, wherein the branch channels (2) are symmetrically arranged on two sides of the rear end of the melting kiln (1) and are parallel to the central line of the melting kiln (1), and the multiple branch wires are vertically arranged at one end, far away from the melting kiln (1), of each branch channel (2);
the method is characterized in that: each branch line comprises a raw sheet production working section and a raw sheet processing working section, a conveying roller way (7) is arranged between the raw sheet production working section and the raw sheet processing working section, the conveying roller way (7) is perpendicular to the raw sheet production working section and the raw sheet processing working section, the raw sheet production working section and the raw sheet processing working section are arranged in an anti-parallel mode, and glass on each raw sheet production working section is conveyed to the corresponding raw sheet processing working section through the conveying roller way (7).
2. The production line of one-kiln multi-line photovoltaic glass as recited in claim 1, wherein: the original sheet production section of each branch line comprises a calender set (3), an annealing kiln (4) and a cutting device (5) which are connected in sequence; the original sheet processing section of each branch line comprises an edging device (8), a cleaning device (9), a film coating/silk screen printing device (10), a toughening device (11) and a stacking and sheet discharging device (12) which are connected in sequence.
3. The production line of one-kiln multi-line photovoltaic glass as recited in claim 1, wherein: an upper sheet feeding device and a lower sheet feeding device (6) are arranged on the conveying roller way (7).
4. The production line of one-kiln multi-line photovoltaic glass as recited in claim 1, wherein: each branch line can be used for producing photovoltaic glass with the same or different specifications and sizes according to the requirements.
5. The production line of one-kiln multi-line photovoltaic glass as recited in claim 1, wherein: the number of the branch lines arranged on each branch channel (2) is 3-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021912491.4U CN213357352U (en) | 2020-09-04 | 2020-09-04 | Kiln multi-line photovoltaic glass production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021912491.4U CN213357352U (en) | 2020-09-04 | 2020-09-04 | Kiln multi-line photovoltaic glass production line |
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| CN213357352U true CN213357352U (en) | 2021-06-04 |
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| CN202021912491.4U Active CN213357352U (en) | 2020-09-04 | 2020-09-04 | Kiln multi-line photovoltaic glass production line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114213006A (en) * | 2021-12-28 | 2022-03-22 | 秦皇岛弘华特种玻璃有限公司 | Production method and device of borosilicate 2.5 high-performance single-sheet fireproof thin glass |
| CN114477744A (en) * | 2022-02-10 | 2022-05-13 | 国玻新创(北京)科技发展有限公司 | Process for tempering glass in a production line for producing rolled glass |
-
2020
- 2020-09-04 CN CN202021912491.4U patent/CN213357352U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114213006A (en) * | 2021-12-28 | 2022-03-22 | 秦皇岛弘华特种玻璃有限公司 | Production method and device of borosilicate 2.5 high-performance single-sheet fireproof thin glass |
| CN114477744A (en) * | 2022-02-10 | 2022-05-13 | 国玻新创(北京)科技发展有限公司 | Process for tempering glass in a production line for producing rolled glass |
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