CN109437532A - A kind of glass tempering furnace and its application method modified for surface - Google Patents
A kind of glass tempering furnace and its application method modified for surface Download PDFInfo
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- CN109437532A CN109437532A CN201811617501.9A CN201811617501A CN109437532A CN 109437532 A CN109437532 A CN 109437532A CN 201811617501 A CN201811617501 A CN 201811617501A CN 109437532 A CN109437532 A CN 109437532A
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- heating furnace
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- valve
- glass
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- 239000011521 glass Substances 0.000 title claims abstract description 68
- 238000005496 tempering Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 87
- 230000004048 modification Effects 0.000 claims abstract description 5
- 238000012986 modification Methods 0.000 claims abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 151
- 229910052757 nitrogen Inorganic materials 0.000 claims description 75
- 238000007599 discharging Methods 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 15
- 230000003667 anti-reflective effect Effects 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 13
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 claims description 10
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 claims description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 6
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 claims description 3
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 3
- MASNVFNHVJIXLL-UHFFFAOYSA-N ethenyl(ethoxy)silicon Chemical compound CCO[Si]C=C MASNVFNHVJIXLL-UHFFFAOYSA-N 0.000 claims description 3
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- -1 vinylsiloxane Chemical class 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 2
- 238000005660 chlorination reaction Methods 0.000 claims description 2
- 229910000077 silane Inorganic materials 0.000 claims description 2
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 230000032258 transport Effects 0.000 claims 1
- 230000004913 activation Effects 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/012—Tempering or quenching glass products by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Photovoltaic Devices (AREA)
Abstract
The present invention provides a kind of glass tempering furnace and its application method for surface modification, it includes upper piece platform (1), the first heating furnace (2) are equipped with upper platform (1) side, it is characterized by: being equipped with the second heating furnace (3) in the first heating furnace (2) side, air grid (4) are equipped in the second heating furnace (3) side, are equipped with bottom sheet platform (5) in air grid (4) side.Photovoltaic glass successively after the activation modification of the first and second heating furnace, is waiting until modified photovoltaic glass in bottom sheet platform into hot wind grid chilling.It is the configuration of the present invention is simple, easy to operate, the problem of effectively avoiding the generated output decaying of photovoltaic glass in the prior art after a period of use.
Description
Technical field:
The present invention relates to glass tempering technology fields, specifically exactly a kind of glass tempering furnace modified for surface and its make
Use method.
Background technique:
In order to improve the generating efficiency of photovoltaic cell, people coat antireflective film in photovoltaic glass surface, and antireflective film can increase too
Sunlight transmittance rate, to improve the generating efficiency of photovoltaic cell.Now widely used antireflective film is a kind of
The film of main component, in order to meet the requirement of photovoltaic glass high intensity and film adhesion, the prior art is first to plate silicon substrate
Film liquid is coated in photovoltaic glass surface, then utilizes annealing furnace, the heat treatment of the tempering of glass and film layer is carried out simultaneously, tempering
Furnace is mainly made of heating furnace and air grid, and the photovoltaic glass after film is heated to close to after softening temperature in heating furnace, into
Enter air grid by chilling, obtain tempered glass, meets the requirement of photovoltaic glass high intensity, while the high temperature of heating furnace is also by silicon substrate
Antireflective film sintering makes film layer have high adhesive force in glass surface.
But this antireflective film just will appear transmitance reduction after coming into operation 1 ~ 2 year, and photovoltaic power is caused to decay.
There are many reason of causing transmitance to reduce, and one of major reason is: there are great amount of hydroxy group, hydroxyl poles for silicon substrate anti-reflection film surface
Water and dirt easily in absorption environment, scatter incident sunlight, by the accumulation of certain time, will seriously reduce photovoltaic electric
The generating efficiency in pond.The annealing furnace of the prior art can only carry out glass tempering and film layer sintering, can not eliminate surface hydroxyl.Also have
It by the modified method to reduce hydroxyl in surface, but carries out heating and modification again to the anti-reflection film glass after tempering, is
It is time-consuming, laborious, uneconomic, it is done so currently without manufacturer, also without the suitable equipment for handling again.
Summary of the invention:
The present invention is exactly in order to overcome the shortcomings in the prior art, to provide a kind of glass tempering furnace modified for surface and its make
Use method.
The present invention the following technical schemes are provided:
A kind of glass tempering furnace modified for surface, it includes upper piece platform, is equipped with the first heating furnace upper platform side, special
Sign is: being equipped with the second heating furnace in the first heating furnace side, is equipped with air grid in the second heating furnace side, is equipped in air grid side
Bottom sheet platform；The first nitrogen inlet duct, the second nitrogen inlet duct and exhaust pipe are communicated on the second heating furnace, the first nitrogen into
Tracheae be equipped with the first valve, on the second nitrogen inlet duct be equipped with the second valve, on exhaust pipe be equipped with exhaust valve, first
It is additionally provided with branch pipe on nitrogen inlet duct, manifold valve, first nitrogen inlet duct one end and the first source nitrogen are equipped on branch pipe
Connection, second nitrogen inlet duct one end are connected to the second source nitrogen, input modifying agent in described branch pipe one end.
Based on the above technical solution, there can also be technical solution further below:
First source nitrogen provides the low-pressure nitrogen that pressure is 0.03 ~ 0.04Mp.
Second source nitrogen provides the high pressure nitrogen that pressure is 0.4 ~ 0.6Mp.
The temperature for the nitrogen that first source nitrogen and the second gas source provide is 580 ~ 680 DEG C.
The branch pipe is connected on the tube body of the first nitrogen inlet duct between the first valve and the second heating furnace.
The modifying agent is trim,ethylchlorosilane or dimethyldichlorosilane or hexamethyldisiloxane or hexamethyl second
Alkenyl siloxane or vinylethoxysilane or phenyl tri-chlorination silane or butanol or amylalcohol or polyvinyl alcohol or n-octyl alcohol or
Straight chain lauryl alcohol or hexamethyldisilazane etc..
A kind of application method of the glass tempering furnace modified for surface, it is characterised in that it the following steps are included:
1, nitrogen charging: opening the first valve, low-pressure nitrogen be passed through the second heating furnace, makes the second heating furnace nitrogen atmosphere, adjusts
The aperture of first valve makes the second heating nitrogen pressure in furnace be maintained at 50 ~ 1000Pa；
2, it activates: the photovoltaic glass after film being placed on the rollgang of upper piece platform, then open the first heating furnace close to upper
Photovoltaic glass is sent into the first heating furnace by rollgang, glass is heated to 300 by the first feeding furnace door of piece platform side
~ 450 DEG C, the impurity such as moisture for activating antireflective film surface hydroxyl sufficiently, while removing adsorption；
3, it is protected into furnace gas: opening the first discharging door of the first heating furnace other side and the second feed furnace of the second heating furnace side
Photovoltaic glass in first heating furnace, is then input in the second heating furnace by rollgang, in the second feeding furnace door by door
While opening, opening the second valve so that high pressure nitrogen is quickly passed through the second heating furnace, to maintain positive pressure in furnace, prevents sky
Gas enters, and after photovoltaic glass enters the second heating furnace, the second feeding furnace door and the second valve is closed, to guarantee the second heating furnace
Nitrogen pressure is stablized；
4, modified: after photovoltaic glass enters the second heating furnace, to open manifold valve and modifying agent is made to enter the first nitrogen inlet duct, change
Property agent gasified by high-temperature low-pressure nitrogen, and be entrained into the second heating furnace of people, then modifying agent and antireflective film surface hydroxyl occur
Chemical reaction achievees the purpose that reduce surface hydroxyl, opens exhaust valve and reaction end gas is discharged, when glass is heated to approach softening temperature
After degree, manifold valve and exhaust valve are closed, photovoltaic glass preparation is come out of the stove；
5, go out furnace gas to protect；Second discharging door of the second heating furnace other side is opened, and the photovoltaic glass in furnace passes through rollgang
Be transported into the air grid of the second heating furnace other side, the second discharging door open while open the second valve so that
High pressure nitrogen, which enters, is quickly passed through the second heating furnace, to maintain positive pressure in furnace, prevents air from entering, is turned completely to photovoltaic glass
After transporting the second heating furnace, the second discharging door and the second valve are closed, to guarantee that the second heating furnace nitrogen pressure is stablized；
6, it quenching: after photovoltaic glass is transported into air grid by rollgang, is transported into down by rapid cooling, then by rollgang
Piece platform, to obtain the modified antireflective film photovoltaic glass in surface.
Invention advantage:
Annealing furnace of the invention can carry out surface modification treatment to antireflective film in photovoltaic glass tempering process, directly come out
Be exactly surface modified version product, treatment effeciency is high, and equipment is simple, and operation is easy, at low cost.
Detailed description of the invention:
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment:
As shown in Figure 1, a kind of glass tempering furnace modified for surface, it includes upper piece platform 1, is equipped with the upper 1 side of platform
One heating furnace 2 is equipped with the first feeding furnace door 2a, on the furnace body of upper 1 other side of platform on the furnace body close to upper piece 1 side of platform
Equipped with the first discharging door 2b.
It is equipped with the second heating furnace 3 in the first side discharging door 2b, is added close to the second of the first side discharging door 2b
The furnace body of hot stove 3 is equipped with the second feeding furnace door 3a, and the second discharging door is equipped on the furnace body of 3 other side of the second heating furnace
3b。
It is equipped with air grid 4 in the second side discharging door 3b, is equipped with bottom sheet platform 5, upper piece platform 1, first in 4 side of air grid
Rollgang on heating furnace 2, the second heating furnace 3, air grid 4 and bottom sheet platform 5, in same level, and upper piece platform 1,
It is additionally provided with excessive roller-way between one heating furnace 2, the second heating furnace 3, air grid 4 and bottom sheet platform 5, so that glass plate can be from upper piece platform
Rollgang be moved on the rollgang of bottom sheet platform.Described upper piece platform, the first and second heating furnace, air grid, bottom sheet platform are
Existing equipment, wherein included rollgang, specific structure is no longer superfluous here to be chatted, and excessive roller-way is also existing equipment, therefore
Here also no longer superfluous to chat.
The first nitrogen inlet duct 6, the second nitrogen inlet duct 7 and exhaust pipe 8 are communicated on the furnace roof of the second heating furnace 3,
The vertical distribution of first nitrogen inlet duct 6, the second nitrogen inlet duct 7 and exhaust pipe 8, and be separated between being gone back between each pipe certain
Spacing.
It is equipped with the first valve 6a on the first nitrogen inlet duct 6, the second valve 7a is equipped on the second nitrogen inlet duct 7,
Exhaust valve 8a is equipped on exhaust pipe 8.Described first nitrogen inlet duct, 6 one end is connected to the first source nitrogen, second nitrogen
7 one end of air inlet pipe is connected to the second source nitrogen.First source nitrogen provides the low-pressure nitrogen that pressure is 0.03 ~ 0.04Mp, the
Two source nitrogens provide the high pressure nitrogen that pressure is 0.4 ~ 0.6Mp.The nitrogen that first source nitrogen and the second gas source provide
Temperature be 580 ~ 680 DEG C.
It is additionally provided with branch pipe 9 on the first nitrogen inlet duct 6 between the first valve 6a and the furnace roof of the second heating furnace 3,
On branch pipe 9 be equipped with manifold valve 9a, described 9 one end of branch pipe input modifying agent, the modifying agent be trim,ethylchlorosilane or
Dimethyldichlorosilane or hexamethyldisiloxane or hexamethyl vinylsiloxane or vinylethoxysilane or phenyl three
Chlorinated silane or butanol or amylalcohol or polyvinyl alcohol or n-octyl alcohol or straight chain lauryl alcohol or hexamethyldisilazane etc..
A kind of application method of the glass tempering furnace modified for surface, it is characterised in that it the following steps are included:
1, nitrogen charging: opening the first valve, low-pressure nitrogen be passed through the second heating furnace, makes the second heating furnace nitrogen atmosphere, adjusts
The aperture of first valve makes the second heating nitrogen pressure in furnace be maintained at 50 ~ 1000Pa；
2, it activates: the photovoltaic glass after film being placed on the rollgang of upper piece platform, then open the first heating furnace close to upper
Photovoltaic glass is sent into the first heating furnace by rollgang, glass is heated to 300 by the first feeding furnace door of piece platform side
~ 450 DEG C, the impurity such as moisture for activating antireflective film surface hydroxyl sufficiently, while removing adsorption；
3, it is protected into furnace gas: opening the first discharging door of the first heating furnace other side and the second feed furnace of the second heating furnace side
Photovoltaic glass in first heating furnace, is then input in the second heating furnace by rollgang, in the second feeding furnace door by door
While opening, opening the second valve so that high pressure nitrogen is quickly passed through the second heating furnace, to maintain positive pressure in furnace, prevents sky
Gas enters, and after photovoltaic glass enters the second heating furnace, the second feeding furnace door and the second valve is closed, to guarantee the second heating furnace
Nitrogen pressure is stablized；
4, modified: after photovoltaic glass enters the second heating furnace, to open manifold valve and make the hexamethyldisilazane as modifying agent
Into the first nitrogen inlet duct, hexamethyldisilazane is gasified by high-temperature low-pressure nitrogen, and is entrained into the second heating furnace of people, and
Modifying agent is chemically reacted with antireflective film surface hydroxyl afterwards, achievees the purpose that reduce surface hydroxyl, and it is anti-to open exhaust valve discharge
Tail gas is answered, after glass is heated to close to softening temperature, closes manifold valve and exhaust valve, photovoltaic glass preparation is come out of the stove；
5, go out furnace gas to protect；Second discharging door of the second heating furnace other side is opened, and the photovoltaic glass in furnace passes through rollgang
Be transported into the air grid of the second heating furnace other side, the second discharging door open while open the second valve so that
High pressure nitrogen, which enters, is quickly passed through the second heating furnace, to maintain positive pressure in furnace, prevents air from entering, is turned completely to photovoltaic glass
After transporting the second heating furnace, the second discharging door and the second valve are closed, to guarantee that the second heating furnace nitrogen pressure is stablized；
6, it quenching: after photovoltaic glass is transported into air grid by rollgang, is transported into down by rapid cooling, then by rollgang
Piece platform, to obtain the modified antireflective film photovoltaic glass in surface.
Claims (7)
1. a kind of glass tempering furnace modified for surface, it includes upper piece platform (1), upper platform (1) side be equipped with first plus
Hot stove (2), it is characterised in that: be equipped with the second heating furnace (3) in the first heating furnace (2) side, set in the second heating furnace (3) side
There are air grid (4), is equipped with bottom sheet platform (5) in air grid (4) side；The first nitrogen inlet duct is communicated on the second heating furnace (3)
(6), the second nitrogen inlet duct (7) and exhaust pipe (8) are equipped with the first valve (6a) on the first nitrogen inlet duct (6), second
Nitrogen inlet duct (7) is equipped with the second valve (7a), is equipped with exhaust valve (8a) on exhaust pipe (8), the first nitrogen inlet duct
(6) it is additionally provided with branch pipe (9) on, is equipped with manifold valve (9a) on branch pipe (9), described first nitrogen inlet duct (6) one end and first
Source nitrogen connection, described second nitrogen inlet duct (7) one end are connected to the second source nitrogen, and in the branch pipe (9) one end, input changes
Property agent.
2. a kind of glass tempering furnace modified for surface according to claim 1, it is characterised in that: described first
Source nitrogen provides the low-pressure nitrogen that pressure is 0.03 ~ 0.04Mp.
3. a kind of glass tempering furnace modified for surface according to claim 1, it is characterised in that: described second
Source nitrogen provides the high pressure nitrogen that pressure is 0.4 ~ 0.6Mp.
4. a kind of glass tempering furnace modified for surface according to claim 1, it is characterised in that: first nitrogen
The temperature for the nitrogen that gas source and the second gas source provide is 580 ~ 680 DEG C.
5. a kind of glass tempering furnace modified for surface according to claim 1, it is characterised in that: the branch pipe
(9) it is connected on the tube body of the first nitrogen inlet duct (6) between the first valve (6a) and the second heating furnace (3).
6. a kind of glass tempering furnace modified for surface according to claim 1, it is characterised in that: the modification
Agent is trim,ethylchlorosilane or dimethyldichlorosilane or hexamethyldisiloxane or hexamethyl vinylsiloxane or vinyl
Ethoxysilane or phenyl tri-chlorination silane or butanol or amylalcohol or polyvinyl alcohol or n-octyl alcohol or straight chain lauryl alcohol or hexamethyl
Disilazane etc..
7. a kind of application method of the glass tempering furnace modified for surface, it is characterised in that it the following steps are included:
1, it nitrogen charging: opens the first valve (6a), low-pressure nitrogen is passed through the second heating furnace (3), makes the second heating furnace nitrogen gas
Atmosphere adjusts the aperture of the first valve (6a), the second heating nitrogen pressure in furnace is made to be maintained at 50 ~ 1000Pa；
2, it activates: the photovoltaic glass (10) after film being placed on the rollgang of upper piece platform (1), then open the first heating furnace
Photovoltaic glass (10) are sent into the first heating furnace by rollgang by the first feeding furnace door (2a) close to upper piece platform (1) side
(2) in, glass is heated to 300 ~ 450 DEG C, activates antireflective film surface hydroxyl sufficiently, while removing the moisture etc. of adsorption
Impurity；
3, it is protected into furnace gas: opening the first discharging door (2b) and the second heating furnace (3) side of the first heating furnace (2) other side
Photovoltaic glass (10) in first heating furnace (2) is then input to second by rollgang and added by the second feeding furnace door (3a)
In hot stove, while the second feeding furnace door (3a) is opened, open the second valve (7a), so that high pressure nitrogen is quickly passed through second
Heating furnace prevents air from entering to maintain positive pressure in furnace, after photovoltaic glass (10) enter the second heating furnace (3), closes second
Feeding furnace door (3a) and the second valve (7a), to guarantee that the second heating furnace (3) nitrogen pressure is stablized；
4, modified: after photovoltaic glass (10) enters the second heating furnace, to open manifold valve (9a) and modifying agent is made to enter the first nitrogen
Air inlet pipe (6), modifying agent is gasified by high-temperature low-pressure nitrogen, and is entrained into the second heating furnace of people (3), then modifying agent and anti-reflection
Film surface hydroxyl chemically reacts, and achievees the purpose that reduce surface hydroxyl, opens exhaust valve (8a) and reaction end gas is discharged, work as glass
Glass is heated to close to after softening temperature, closes manifold valve (9a) and exhaust valve (8a), and photovoltaic glass (10) preparation is come out of the stove；
5, go out furnace gas to protect；Second discharging door (3b) of the second heating furnace (3) other side is opened, and the photovoltaic glass (10) in furnace is logical
It crosses in the air grid (4) for being transported into the second heating furnace (3) other side of rollgang, is opened at the second discharging door (3b) same
When open the second valve (7a) so that high pressure nitrogen is quickly passed through the second heating furnace, to maintain positive pressure in furnace, prevent air into
Enter, after photovoltaic glass (10) is transported out the second heating furnace (3) completely, closes the second discharging door (3b) and the second valve
(7a), to guarantee that the second heating furnace (3) nitrogen pressure is stablized；
6, quenching: after photovoltaic glass (10) is transported into air grid (4) by rollgang, turn by rapid cooling, then by rollgang
It transports into bottom sheet platform (5), to obtain the modified antireflective film photovoltaic glass in surface.
Priority Applications (1)
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| CN201811617501.9A CN109437532A (en) | 2018-12-28 | 2018-12-28 | A kind of glass tempering furnace and its application method modified for surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617501.9A CN109437532A (en) | 2018-12-28 | 2018-12-28 | A kind of glass tempering furnace and its application method modified for surface |
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Family
ID=65538618
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981210A (en) * | 2019-12-25 | 2020-04-10 | 中建材蚌埠玻璃工业设计研究院有限公司 | Photovoltaic glass anti-reflection strengthening continuous production device and method |
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| CN209352776U (en) * | 2018-12-28 | 2019-09-06 | 中建材蚌埠玻璃工业设计研究院有限公司 | A kind of glass tempering furnace modified for surface |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110981210A (en) * | 2019-12-25 | 2020-04-10 | 中建材蚌埠玻璃工业设计研究院有限公司 | Photovoltaic glass anti-reflection strengthening continuous production device and method |
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Application publication date: 20190308 |