CN105948532A - High-speed pull float glass and online LOW-E coating production preparation method thereof - Google Patents
High-speed pull float glass and online LOW-E coating production preparation method thereof Download PDFInfo
- Publication number
- CN105948532A CN105948532A CN201610279329.5A CN201610279329A CN105948532A CN 105948532 A CN105948532 A CN 105948532A CN 201610279329 A CN201610279329 A CN 201610279329A CN 105948532 A CN105948532 A CN 105948532A
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- Prior art keywords
- molar concentration
- pull
- film layer
- float glass
- high speed
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
- C03C17/3417—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials all coatings being oxide coatings
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/15—Deposition methods from the vapour phase
- C03C2218/152—Deposition methods from the vapour phase by cvd
Abstract
The invention discloses high-speed pull float glass and an online LOW-E coating production preparation method thereof. The method comprises the steps of: mixing a coating raw material into a pre-evaporator through a pipeline in proportion; performing heating to form premixed gas liquid; introducing the premixed gas liquid into a tin bath by taking air as a carrier gas and applying a coating reactor; and performing thermolysis on the premixed gas liquid for a chemical reaction, wherein the pressure in the tin bath is controlled to be more than 20Pa, the temperature in a reaction region is set to be 670-680 DEG C, and a moving glass substrate passes through the lower side of the coating reactor at a pull speed of 450-550m/h so as to sequentially coat an anti-reflecting film layer and a functional film layer on the surface of the glass. According to the production preparation method of the high-speed pull float glass, the pull speed of low-E coated glass is increased without influencing the coating quality of the low-E coated glass, and the flow rate of a coating process is controlled to cooperate with the pull speed of high-speed glass, so that a coated film stable production technology with a high pull speed (506m/h or above) is realized.
Description
Technical field
The method that the present invention relates to float glass process online production coated glass, especially a kind of pull float glass at a high speed and online
LOW-E plated film preparation method.
Background technology
Online low-E glass is the novel energy-conserving glass that centering far infrared radiation has high reflectance, it has also become people are daily
Construction material.In daily float glass, although online low-E coating technique can with stable operation, but have to
Just can complete under the pull speed less than day fusing amount.For the stable operation of online low-E coating process, float glass
The daily output produced is decreased obviously, and wants to obtain bigger economic benefit, it is necessary to improves pull speed, and then improves daily output
Amount.But under high pull speed, online low-E glass but there is problems in that (1) coated glass pane face often occurs
Normal society and secret tunnel, directly make glass become waste product；(2) there is thickness difference in film layer；(3) film layer is uneven causes serious color
Difference, such as number of patent application is a kind of method of float glass process online production coated glass disclosed in 94118301.7, and the method is
Under the conditions of tin liquor temperature 620-640 DEG C, glass tape pull speed 160-430m/h, application response device will mainly include
The hot glass tape upper surface that silane, borine and the plated film mixed gas as the nitrogen of diluent gas are advanced in molten tin bath forms one
Plant boracic polysilicon film, it is seen that the pull speed produced for on-line coating stabilization in prior art is all to use low pull
Speed.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention provides can be with steady production under a kind of high pull speed
Pull float glass and preparation method thereof at a high speed.
The technical scheme that the present invention provides is as follows: a kind of pull float glass online LOW-E plated film preparation method at a high speed,
Comprise the following steps:
1) by coating raw material proportionally in pipeline is mixed into preevaporator, by being thermally formed premixed gas liquid,
Preevaporator temperature is arranged on 165～185 DEG C；
2) with air as carrier gas, gaseous mixture liquid is passed through in molten tin bath by application plated film reactor so that it is thermal decomposition carries out chemistry
Reaction, molten tin bath internal pressure controls more than 20Pa, and conversion zone temperature is arranged on 670-680 DEG C；
3) glass substrate moved passes through the lower section of plated film reactor with the pull speed of 450-550m/h, thus at glass table
Plating antireflection film layer and functional film layer on face successively, antireflection film layer is SnSiOx, and functional film layer is SnO2:F.
In the preferred embodiment, in step 2) in, reduce the height in molten tin bath internal-response region, by glass base
Plate and plated film device spacing are set to 4～6mm, thus control air-flow supply and the balance of waste discharge at coating process, in order to stannum
Oxide discharge and reduce assemble, thus effectively control molten tin bath pollute.
In the preferred embodiment, in step 2) in, increase the setting of molten tin bath gear bank and increase at tin bath outlet
Linear electric motors, thus reduce the vertical and horizontal convection current of tin liquor, stablize the tin liquor temperature in each interval thus reduce transverse temperature difference,
Transverse temperature difference is made to control at ± 10 DEG C.
In the preferred embodiment, in step 3) in, glass substrate passes through plated film with the pull speed of 506m/h
The lower section of reactor.
In the preferred embodiment, in step 1) in, the ratio setting of coating raw material is H2O:Sn=3.4～5.8,
F:Sn=0.31～0.49.
In the preferred embodiment, in step 1) in, the ratio setting of coating raw material is H2O:Sn=3.42, F:
Sn=49.
A kind of pull float glass at a high speed, including being coated with antireflection film layer and functional film layer the most successively, described
Antireflection film layer is SnSiOx, and described functional film layer is SnO2:F, and described high speed pull float glass is by above-mentioned any one
Item preparation method prepares.
In the preferred embodiment, described antireflection film layer is 0.15～0.35% tetraethyl orthosilicate by molar concentration
It is 0.10 with molar concentration～the NSC 5284 of 0.21% and monobutyl-tin-trichloride that molar concentration is 0.11～0.25%
With the H that molar concentration is 0.12～0.24%2O and molar concentration be 88.2～99.4% air make.
In the preferred embodiment, described functional film layer is by the monobutyl tri-chlorination that molar concentration is 1.24～1.67%
Stannum and molar concentration are 0.31～the trifluoroacetic acid of 0.97% and H that molar concentration is 5.21～8.92%2O and molar concentration are
7.23～92.51% air make.
In the preferred embodiment, described antireflection film layer by the tetraethyl orthosilicate that molar concentration is 0.33% and rubs
Your concentration be 0.18% NSC 5284 and monobutyl-tin-trichloride and the molar concentration that molar concentration is 0.18% be
The H of 0.24%2O and the air that molar concentration is 89.8% are made, and described functional film layer is the monobutyl of 1.34% by molar concentration
Tin trichloride and trifluoroacetic acid and molar concentration that molar concentration is 0.42% are the H of 7.9%2O and molar concentration are 90.3%
Air is made.
What the present invention produced has the beneficial effect that:
1. the present invention is by allocating low-E coated glass technique, it is achieved steady production low-E glass under high pull speed,
Embody the yield heterosis of online low-E glass.
2. the present invention is by improving the daily output of low-E coated glass, improves the Appropriate application of resource, can produce plating simultaneously
Film original plate width 3900mm, on-gauge plate width 3660mm.
3. the present invention reduces the waste discharge amount in coating process, optimizing materials proportioning and molten tin bath substrate temperature by optimizing coating process
Degree, reaches film layer optimum deposition efficiency, and waste discharge amount can be made to reduce 15～25kg/h.
4. the present invention is by optimizing the high speed pull technique of low-E coated glass, solves the lower low-E plated film glass of pull at a high speed
Glass exist film layer is uneven, aberration, film thickness difference and the quality problems such as secret tunnel, normal society.
Accompanying drawing explanation
Fig. 1 is color difference index L, a, b value and electricity in the high speed pull float glass optical characteristics in the embodiment of the present invention one
Resistance R adopts Value Data table；
Fig. 2 is A/B curve chart in the high speed pull float glass optical characteristics in the embodiment of the present invention one；
Fig. 3 is R square resistance curve chart in the high speed pull float glass optical characteristics in the embodiment of the present invention one；
Fig. 4 is T light transmittance curve figure in the high speed pull float glass optical characteristics in the embodiment of the present invention one；
Fig. 5 is difference index L, a, b value and electricity in the high speed pull float glass optical characteristics color in the embodiment of the present invention two
Resistance R adopts Value Data table；
Fig. 6 is A/B curve chart in the high speed pull float glass optical characteristics in the embodiment of the present invention two；
Fig. 7 is R square resistance curve chart in the high speed pull float glass optical characteristics in the embodiment of the present invention two；
Fig. 8 is T light transmittance curve figure in the high speed pull float glass optical characteristics in the embodiment of the present invention two.
Detailed description of the invention
In embodiment 1,
A kind of pull float glass at a high speed, including being coated with antireflection film layer and functional film layer, anti-reflection the most successively
Penetrating film layer is SnSiOx, and functional film layer is SnO2:F, and antireflection film layer SnSiOx is to rub with tetraethyl orthosilicate (TEOS)
That concentration 0.15%, NSC 5284 (TEP) molar concentration 0.11%, monobutyl-tin-trichloride (MBTC) molar concentration
0.12%, H2O molar concentration 0.19%, air molar concentration 99.4%, raw material is proportionally mixed into prevapourising through pipeline
In device, by being thermally formed premixed gas liquid, with air as carrier gas, react in gaseous mixture liquid is transported to reactor.
Functional film layer SnO2: F is that trifluoroacetic acid (TFA) mole is dense with monobutyl-tin-trichloride (MBTC) molar concentration 1.58%
Degree 0.78%, H2O molar concentration 5.39%, air molar concentration 92.26%.Described raw material proportionally mixes through pipeline
In preevaporator, by being thermally formed premixed gas liquid, with air as carrier gas, gaseous mixture liquid is transported to reactor
Interior reaction.Wherein H2O:Sn=3.42, F:Sn=49, to obtain SnO2: F functional film layer.
For the process for producing in this embodiment it is: float-glass substrate passes through at a high speed with the pull speed of 506m/h
Below plated film reactor, obtain uniform and stable film layer structure.Film layer dispensing enter promote evaporator temperature to 165～185 DEG C,
Make mixed gas atomization more abundant so that its reactive deposition more fully in reaction zone.The row stable for controlling coating process
Useless amount, for ensureing that gas stably depositing, in glass surface, controls the feed gas that waste discharge gas is 1.2～1.5 times, reduces
The height of reaction zone keeps glass substrate and plated film device spacing to be 5～6mm, reduces waste discharge amount, stable row in coating process
Gas system, reduces and assembles, thus effectively controls molten tin bath and pollute.Molten tin bath internal pressure controls more than 20Pa, conversion zone temperature
Degree is between 670-680 DEG C.Increase molten tin bath gear bank and increase linear electric motors at tin bath outlet, reducing the longitudinal direction of longitudinal tin liquor
And transverse convection, stablize the tin liquor temperature in each interval thus reduce transverse temperature difference, make transverse temperature difference control at ± 10 DEG C
The optical characteristics of low-E coated glass is obtained by shown in Fig. 1 to Fig. 4 by above-mentioned formula and processing step.
In embodiment 2,
SnSiOx antireflection layer is with tetraethyl orthosilicate (TEOS) molar concentration 0.33%, and NSC 5284 (TEP) is rubbed
That concentration 0.18%, monobutyl-tin-trichloride (MBTC) molar concentration 0.18%, H2O molar concentration 0.24%, air mole
Concentration 89.8%, described raw material is proportionally in pipeline is mixed into preevaporator, by being thermally formed premixing gas-liquid
Body, with air as carrier gas, reacts in gaseous mixture liquid is transported to reactor., with the SnSiOx extinction layer obtained.
SnO2:F functional film layer is that trifluoroacetic acid (TFA) mole is dense with monobutyl-tin-trichloride (MBTC) molar concentration 1.34%
Degree 0.42%, H2O molar concentration 7.9%, air molar concentration 90.3%.Described raw material is proportionally mixed into through pipeline
In preevaporator, by being thermally formed premixed gas liquid, with air as carrier gas, gaseous mixture liquid is transported in reactor
Reaction.To obtain SnO2:F functional film layer.
For the process for producing in this embodiment it is: float glass by below plated film reactor, obtains uniformly at a high speed
Stable film layer structure.Film layer dispensing entrance lifting evaporator temperature, to 165～185 DEG C, makes mixed gas atomization more abundant,
Make its reactive deposition more fully in reaction zone.Control the waste discharge amount that coating process is stable, for ensureing gas stably depositing
In glass surface, control the feed gas that waste discharge gas is 1.2～1.5 times.The height reducing reaction zone keeps glass substrate
It is 5～6mm with plated film device spacing, coating process reduces waste discharge amount, stablizes gas extraction system, reduce and assemble, thus have
Effect controls molten tin bath and pollutes.Molten tin bath internal pressure controls more than 20Pa, and conversion zone temperature is between 670-680 DEG C.Increase stannum
Groove keeps off bank and increases linear electric motors at tin bath outlet, reduces the vertical and horizontal convection current of longitudinal tin liquor, stablizes the stannum in each interval
Liquid temp thus reduce transverse temperature difference, make transverse temperature difference control at ± 10 DEG C.
The optical characteristics of low-E coated glass is obtained by shown in Fig. 5 to Fig. 8 by above-mentioned formula and processing step.
What the present invention produced has the beneficial effect that:
1. the present invention is by allocating low-E coated glass technique, it is achieved steady production low-E glass under high pull speed,
Embody the yield heterosis of online low-E glass.
2. the present invention is by improving the daily output of low-E coated glass, improves the Appropriate application of resource, can produce plating simultaneously
Film original plate width 3900mm, on-gauge plate width 3660mm.
3. the present invention reduces the waste discharge amount in coating process, optimizing materials proportioning and molten tin bath substrate temperature by optimizing coating process
Degree, reaches film layer optimum deposition efficiency, and waste discharge amount can be made to reduce 15～25kg/h.
4. the present invention is by optimizing the high speed pull technique of low-E coated glass, solves the lower low-E plated film glass of pull at a high speed
Glass exist film layer is uneven, aberration, film thickness difference and the quality problems such as secret tunnel, normal society.
Above are only a specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, all utilize this structure
Think the present invention is carried out the change of unsubstantiality, the behavior invading scope all should be belonged to.
Claims (10)
1. one kind pulls at a high speed float glass online LOW-E plated film preparation method, it is characterised in that: comprise the following steps:
1) by coating raw material proportionally in pipeline is mixed into preevaporator, by being thermally formed premixed gas liquid, preevaporator temperature is arranged on 165～185 DEG C；
2) with air as carrier gas, gaseous mixture liquid is passed through in molten tin bath by application plated film reactor so that it is thermal decomposition carries out chemical reaction, and molten tin bath internal pressure controls more than 20Pa, and conversion zone temperature is arranged on 670-680 DEG C；
3) glass substrate moved passes through the lower section of plated film reactor with the pull speed of 450-550m/h, thus plates antireflection film layer and functional film layer the most successively, and antireflection film layer is SnSiOx, and functional film layer is SnO2:F.
A kind of pull float glass online LOW-E plated film preparation method at a high speed the most according to claim 1, it is characterized in that: in step 2) in, reduce the height in molten tin bath internal-response region, glass substrate and plated film device spacing are set to 4～6mm, thus control air-flow supply and the balance of waste discharge at coating process, assemble so that the oxide of stannum is discharged and reduced, thus effectively control molten tin bath and pollute.
A kind of pull float glass online LOW-E plated film preparation method at a high speed the most according to claim 1, it is characterized in that: in step 2) in, increase the setting of molten tin bath gear bank and increase linear electric motors at tin bath outlet, thus reduce the vertical and horizontal convection current of tin liquor, stablize the tin liquor temperature in each interval thus reduce transverse temperature difference, make transverse temperature difference control at ± 10 DEG C.
A kind of pull float glass online LOW-E plated film preparation method at a high speed the most according to claim 1, it is characterised in that: in step 3) in, glass substrate passes through the lower section of plated film reactor with the pull speed of 506m/h.
A kind of pull float glass online LOW-E plated film preparation method at a high speed the most according to claim 1, it is characterised in that: in step 1) in, the ratio setting of coating raw material is H2O:Sn=3.4～5.8, F:Sn=0.31～0.49.
A kind of pull float glass online LOW-E plated film preparation method at a high speed the most according to claim 1, it is characterised in that: in step 1) in, the ratio setting of coating raw material is H2O:Sn=3.42, F:Sn=49.
7. one kind pulls at a high speed float glass, it is characterized in that: include being coated with antireflection film layer and functional film layer the most successively, described antireflection film layer is SnSiOx, described functional film layer is SnO2:F, and described high speed pull float glass is prepared by any one preparation method in claim 1-6.
A kind of pull float glass at a high speed the most according to claim 7, it is characterised in that: described antireflection film layer by molar concentration be 0.15～0.35% tetraethyl orthosilicate and molar concentration be 0.10～the NSC 5284 of 0.21% and molar concentration are 0.11～the monobutyl-tin-trichloride of 0.25% and H that molar concentration is 0.12～0.24%2O and molar concentration be 88.2～99.4% air make.
A kind of pull float glass at a high speed the most according to claim 7, it is characterised in that: described functional film layer is 1.24 by molar concentration～the monobutyl-tin-trichloride of 1.67% and molar concentration are 0.31～the trifluoroacetic acid of 0.97% and H that molar concentration is 5.21～8.92%2O and molar concentration be 7.23～92.51% air make.
A kind of pull float glass at a high speed the most according to claim 7, it is characterised in that: described antireflection film layer is the H of 0.24% by the tetraethyl orthosilicate that molar concentration is 0.33% and NSC 5284 and monobutyl-tin-trichloride and the molar concentration that molar concentration is 0.18% that molar concentration is 0.18%2O and the air that molar concentration is 89.8% are made, and described functional film layer is the H of 7.9% by the monobutyl-tin-trichloride that molar concentration is 1.34% and trifluoroacetic acid and the molar concentration that molar concentration is 0.42%2O and the air that molar concentration is 90.3% are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279329.5A CN105948532A (en) | 2016-04-29 | 2016-04-29 | High-speed pull float glass and online LOW-E coating production preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279329.5A CN105948532A (en) | 2016-04-29 | 2016-04-29 | High-speed pull float glass and online LOW-E coating production preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112851141A (en) * | 2020-12-30 | 2021-05-28 | 漳州旗滨玻璃有限公司 | Preparation method of silicon-based nano composite film sunlight glass |
| CN113277712A (en) * | 2021-04-19 | 2021-08-20 | 信义节能玻璃（芜湖）有限公司 | Online system based on float process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003017377A1 (en) * | 2001-08-10 | 2003-02-27 | Nippon Sheet Glass Company, Limited | Glass plate having electroconductive film formed thereon |
| CN203284326U (en) * | 2013-06-04 | 2013-11-13 | 漳州旗滨玻璃有限公司 | Film plating device of on-line transparent conducting film glass |
| CN103508679A (en) * | 2013-06-04 | 2014-01-15 | 漳州旗滨玻璃有限公司 | Production method and film coating device of transparent conductive oxidation film glass |
-
2016
- 2016-04-29 CN CN201610279329.5A patent/CN105948532A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003017377A1 (en) * | 2001-08-10 | 2003-02-27 | Nippon Sheet Glass Company, Limited | Glass plate having electroconductive film formed thereon |
| CN203284326U (en) * | 2013-06-04 | 2013-11-13 | 漳州旗滨玻璃有限公司 | Film plating device of on-line transparent conducting film glass |
| CN103508679A (en) * | 2013-06-04 | 2014-01-15 | 漳州旗滨玻璃有限公司 | Production method and film coating device of transparent conductive oxidation film glass |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112851141A (en) * | 2020-12-30 | 2021-05-28 | 漳州旗滨玻璃有限公司 | Preparation method of silicon-based nano composite film sunlight glass |
| CN112851141B (en) * | 2020-12-30 | 2023-03-31 | 漳州旗滨玻璃有限公司 | Preparation method of silicon-based nano composite film sunlight glass |
| CN113277712A (en) * | 2021-04-19 | 2021-08-20 | 信义节能玻璃（芜湖）有限公司 | Online system based on float process |
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Application publication date: 20160921 |