CN209352776U - A kind of glass tempering furnace modified for surface - Google Patents
A kind of glass tempering furnace modified for surface Download PDFInfo
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- CN209352776U CN209352776U CN201822224209.2U CN201822224209U CN209352776U CN 209352776 U CN209352776 U CN 209352776U CN 201822224209 U CN201822224209 U CN 201822224209U CN 209352776 U CN209352776 U CN 209352776U
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- nitrogen
- heating furnace
- inlet duct
- nitrogen inlet
- furnace
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Abstract
The utility model provides a kind of glass tempering furnace modified for surface, 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.The utility model structure is simple and convenient to operate, and effectively avoids the problem of generated output of photovoltaic glass after a period of use is decayed in the prior art.
Description
Technical field:
The utility model relates to glass tempering technology fields, are specifically exactly a kind of glass tempering modified for surface
Furnace.
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
Add sun light transmission rate, to improve the generating efficiency of photovoltaic cell.Now widely used antireflective film is one kind with titanium dioxide
Silicon film as main component, in order to meet the requirement of photovoltaic glass high intensity and film adhesion, the prior art is first by silicon
Based plating 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,
Annealing furnace is mainly made of heating furnace and air grid, and the photovoltaic glass after film is heated in heating furnace close to softening temperature
Afterwards, tempered glass is obtained by chilling into air grid, meets the requirement of photovoltaic glass high intensity, while the high temperature of heating furnace
By the sintering of silicon substrate antireflective film in glass surface, make film layer that there is high adhesive force.
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.
Utility model content:
The utility model is exactly in order to overcome the shortcomings in the prior art, to provide a kind of glass tempering modified for surface
Furnace.
The utility model 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,
It is characterized by: being equipped with the second heating furnace in the first heating furnace side, it is equipped with air grid in the second heating furnace side, in air grid side
Equipped with bottom sheet platform；The first nitrogen inlet duct, the second nitrogen inlet duct and exhaust pipe are communicated on the second heating furnace, in the first nitrogen
Gas air inlet pipe is equipped with the first valve, and the second valve is equipped on the second nitrogen inlet duct, and exhaust valve is equipped on exhaust pipe,
It is additionally provided with branch pipe on first nitrogen inlet duct, manifold valve, first nitrogen inlet duct one end and the first nitrogen are equipped on branch pipe
Gas source 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..
Utility model advantage:
The annealing furnace of the utility model can carry out surface modification treatment to antireflective film in photovoltaic glass tempering process,
What is directly come out is exactly surface modified version product, and treatment effeciency is high, and equipment is simple, and operation is easy, at low cost.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment:
As shown in Figure 1, a kind of glass tempering furnace modified for surface, it includes upper piece platform 1, is set upper 1 side of platform
There is the first heating furnace 2, the first feeding furnace door 2a, the furnace upper 1 other side of platform are equipped on the furnace body close to upper piece 1 side of platform
Body is 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..
Application method:
1, nitrogen charging: opening the first valve, low-pressure nitrogen be passed through the second heating furnace, makes the second heating furnace nitrogen atmosphere,
The aperture for adjusting the 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 and lean on
Photovoltaic glass, is sent into the first heating furnace by rollgang, glass is heated by the first feeding furnace door of nearly upper piece platform side
To 300 ~ 450 DEG C, the impurity such as the moisture for activating antireflective film surface hydroxyl sufficiently, while removing adsorption；
3, into furnace gas protect: open the first heating furnace other side the first discharging door and the second heating furnace side second into
Expect fire door, then the photovoltaic glass in the first heating furnace is input in the second heating furnace by rollgang, in the second charging
While oven door opening, the second valve is opened, so that high pressure nitrogen is quickly passed through the second heating furnace, to maintain positive pressure in furnace, is prevented
Only air enters, and after photovoltaic glass enters the second heating furnace, closes the second feeding furnace door and the second valve, to guarantee that second adds
Hot stove nitrogen pressure is stablized；
4, modified: after photovoltaic glass enters the second heating furnace, to open manifold valve and make two silicon of hexamethyl as modifying agent
Amine alkane enters the first nitrogen inlet duct, and hexamethyldisilazane is gasified by high-temperature low-pressure nitrogen, and is entrained into the heating of people second
Furnace, then modifying agent is chemically reacted with antireflective film surface hydroxyl, achievees the purpose that reduce surface hydroxyl, opens exhaust valve row
Reaction end gas out closes manifold valve and exhaust valve after glass is heated to close to softening temperature, and 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 conveying
Roller-way is transported into the air grid of the second heating furnace other side, opens the second valve while the second discharging door is opened,
So that high pressure nitrogen, which enters, is quickly passed through the second heating furnace, to maintain positive pressure in furnace, prevent air from entering, it is complete to photovoltaic glass
After transporting out the second heating furnace entirely, the second discharging door and the second valve are closed, to guarantee that the second heating furnace nitrogen pressure is stablized；
6, quenching: after photovoltaic glass is transported into air grid by rollgang, by rapid cooling, then by rollgang transport into
Enter bottom sheet platform, to obtain the modified antireflective film photovoltaic glass in surface.
Claims (6)
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..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822224209.2U CN209352776U (en) | 2018-12-28 | 2018-12-28 | A kind of glass tempering furnace modified for surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822224209.2U CN209352776U (en) | 2018-12-28 | 2018-12-28 | A kind of glass tempering furnace modified for surface |
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| Publication Number | Publication Date |
|---|---|
| CN209352776U true CN209352776U (en) | 2019-09-06 |
Family
ID=67799997
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822224209.2U Active CN209352776U (en) | 2018-12-28 | 2018-12-28 | A kind of glass tempering furnace modified for surface |
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| CN (1) | CN209352776U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437532A (en) * | 2018-12-28 | 2019-03-08 | 中建材蚌埠玻璃工业设计研究院有限公司 | A kind of glass tempering furnace and its application method modified for surface |
| CN112366251A (en) * | 2020-11-25 | 2021-02-12 | 河南安彩高科股份有限公司 | Preparation method of solar cell antireflection film |
-
2018
- 2018-12-28 CN CN201822224209.2U patent/CN209352776U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437532A (en) * | 2018-12-28 | 2019-03-08 | 中建材蚌埠玻璃工业设计研究院有限公司 | A kind of glass tempering furnace and its application method modified for surface |
| CN112366251A (en) * | 2020-11-25 | 2021-02-12 | 河南安彩高科股份有限公司 | Preparation method of solar cell antireflection film |
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