CN108996890A - The device and method of ultra-thin glass are prepared using glass fibre melting furnaces discharge material - Google Patents
The device and method of ultra-thin glass are prepared using glass fibre melting furnaces discharge material Download PDFInfo
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- CN108996890A CN108996890A CN201710436900.4A CN201710436900A CN108996890A CN 108996890 A CN108996890 A CN 108996890A CN 201710436900 A CN201710436900 A CN 201710436900A CN 108996890 A CN108996890 A CN 108996890A
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- 239000011521 glass Substances 0.000 title claims abstract description 175
- 239000000463 material Substances 0.000 title claims abstract description 57
- 239000003365 glass fiber Substances 0.000 title claims abstract description 43
- 238000002844 melting Methods 0.000 title claims abstract description 43
- 230000008018 melting Effects 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims description 19
- 238000007496 glass forming Methods 0.000 claims abstract description 30
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 238000007514 turning Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 49
- 238000010438 heat treatment Methods 0.000 claims description 36
- 238000000137 annealing Methods 0.000 claims description 30
- 238000005485 electric heating Methods 0.000 claims description 18
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims description 12
- 239000011733 molybdenum Substances 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- 229910052593 corundum Inorganic materials 0.000 claims description 7
- 239000005350 fused silica glass Substances 0.000 claims description 7
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 7
- 239000000292 calcium oxide Substances 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000006124 Pilkington process Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003280 down draw process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003283 slot draw process Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B15/00—Drawing glass upwardly from the melt
- C03B15/02—Drawing glass sheets
-
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Glass Compositions (AREA)
Abstract
By using glass fibre melting furnaces discharge material as the raw material for preparing ultrathin flexible glass, the comprehensive utilization ratio of glass fibre melting furnaces discharge material is improved, the waste of frit is not only reduced, additionally it is possible to produce the ultra-thin glass product with high utility value；Adjuster is adjusted, keep the gap of glass forming tank controllable, it can be adjusted according to the heat shrinkability characteristic of glass, can also cooperate draw it is lower with the first roller, draw thin second roller to adjust glass once to draw thin molding thickness, vertical edge machine determines the width for preparing glass, it also can be used to the fixed two sides for pulling down thin glass, reduce contraction when glass pulls down thin；Rotating cylinder will draw thin glass turning after, horizontality is become from plumbness, easily facilitates production, the glass fibre protective layer on the outside of rotating cylinder can effective protection glass surface, improve the quality of ultra-thin glass；The device structure simple designs are reasonable, and transformation degree is low, and investment operating cost is low, produce effect significantly, are beneficial to promote and apply.
Description
Technical field
The present invention relates to a kind of device and method that ultrathin flexible glass is prepared using glass fibre melting furnaces discharge material, belong to
Ultra-thin glass equipment technical field.
Background technique
With the rapid development of flexible display technologies and electronic technology, the demand to flexible base board is also more more and more urgent, glass
Glass shows preferable flexibility when thickness is thinned to certain limit, is one of ideal flexible substrate material.
Flexible glass refers to the ultra-thin glass of thickness≤100 μm, forms mainly common soda lime glass and alkali-free glass,
Production method mainly has float glass process, overflow downdraw, slot draw hair and secondary glass tube down-drawing etc..Although float glass process pull amount is big, plate is wide,
Its Technical comparing is mature, does not need secondary operation, still, lower glass surface easily tin sticky in manufacturing process, it is difficult to remove, increase
The technological process of production causes to invest huge；Though overflow downdraw can continuous production, the flatness of glass is good, defect is few,
Molding control is difficult, it is difficult to effectively control；Slot draw method small investment, can continuous production, but poor flatness, hauling speed
The glass plate drawn when slow is also easy to produce striped and plethora；Secondary glass tube down-drawing glass flatness is good, can high-efficiency and continuous production precision height
Sheet glass, it can be difficult to producing large-sized sheet glass.
At present using the production line of direct melting process production alkali-free glass fibre, in order to guarantee the stabilization wire drawing of fiber, often
It, which needs to release certain glass metal by glazing channel position, is generally 2-5 ton per day, this segment glass liquid is just wasted
, cannot function as raw material and rejoin in tank furnace, not only increase production cost, greatly pollution can be also generated to environment.
Therefore, one kind can either using glass fibre melting furnaces discharge material, and be able to produce ultrathin flexible glass equipment and
Method is that this field needs.
Summary of the invention
A kind of discharge using glass fibre melting furnaces is provided the purpose of the present invention is to solve the above problem expects preparation
The device and method of ultrathin flexible glass；By using glass fibre melting furnaces discharge material as the original for preparing ultrathin flexible glass
Material improves the comprehensive utilization ratio of glass fibre melting furnaces discharge material, not only reduces the waste of frit, additionally it is possible to production tool
There is the ultra-thin glass product of high utility value；Moreover, keep the gap of glass forming tank controllable by the way that adjuster is adjusted,
It can be not only adjusted according to the heat shrinkability characteristic of glass, additionally it is possible to which lower first roller, the thin second roller adjusting glass of drawing are drawn in cooperation
Glass once draws thin molding thickness, meanwhile, vertical edge machine determines the width for preparing glass, also can be used to fixation and pulls down thin glass
Contraction when glass pulls down thin is reduced in the two sides of glass；Meanwhile after rotating cylinder will draw thin glass turning, become from plumbness
Horizontality easily facilitates production, moreover, the glass fibre protective layer on the outside of rotating cylinder can effective protection glass surface, improve
The quality of ultra-thin glass；In addition, the device structure simple designs are reasonable, not only to the transformation degree of alkali-free glass fibre tank furnace
Low, investment operating cost is low, it is significant to produce effect, additionally it is possible to which the application requirement for meeting flexible glass can be widely applied to organic film
On the fields such as solar battery, Flexible Displays, telecommunications, more economic and social benefits are generated, are beneficial to promote and apply.
In order to achieve the above object, the present invention is realized by following technological means:
A kind of equipment preparing ultrathin flexible glass using glass fibre melting furnaces discharge material, it is by melting furnaces discharge material pond, tune
Section device, electric heating system, glass forming tank, vertical edge machine, draws lower first roller, thin second roller of drawing, heating at glass liquid bath
Furnace draws thin third roller, rotating cylinder, glass fibre protective layer, annealing kiln, winding roller segment composition, it is characterized in that: melting furnaces discharge material pond
Lower end is provided with discharge gate, and melting furnaces discharge material pond is connected by glass liquid bath with glass forming tank, glass liquid bath upper end side
It is provided with adjuster, two sides are provided with electric heating system on glass liquid bath, and glass forming tank two sides are disposed with vertically respectively
Edge machine draws lower first roller, thin second roller of drawing, and the glass forming tank other end passes through heating furnace, is provided in heating furnace several
A Elema, heating furnace lower end two sides, which are respectively arranged with, draws thin third roller, and thin third roller lower end is drawn to be provided with rotating cylinder, rotating cylinder outside
It is provided with glass fibre protective layer, rotating cylinder side is provided with annealing kiln, and annealing kiln side is provided with winding roller.
The width adjusting range of the glass forming tank is 350-950 μm, and the gap of glass forming tank is 0.3-1mm.
The material of thin second roller of drawing is fused quartz, and diameter is Φ 10-18mm, and drawing the material of thin third roller is molten stone
English, diameter are Φ 8-15mm, and the material of rotating cylinder 13 is fused quartz, and the material of vertical edge machine is that 06Cr25Ni20 is heat-resisting stainless
Steel, drawing the lower material with the first roller is alpha-beta Al2O3, alpha-beta Al2O3With good heat-resisting quantity and stability, to glass
Pollute and scratch it is small, draw thin roller diameter be Φ 12-20mm.
The electric heating system is heated using molybdenum electrode, and the configuration of electrical heating power 10-20kw, molybdenum electrode are into
Type groove two sides are symmetrical.
The annealing kiln electrical heating power 5-15kw, the heating method of annealing kiln are that resistance wire is heated.
A method of ultrathin flexible glass is prepared using glass fibre melting furnaces discharge material, characterized in that including following step
It is rapid:
Glass fibre melting furnaces are discharged and expect that progress clarifying and homogenizing is uniform, melten glass is made by the first step, starting device switch
Liquid flows into melting furnaces discharge material pond, and the calcium oxide content in melten glass liquid is high, within the scope of 13.6%-26.8%；
Second step, the melten glass liquid that melting furnaces discharge in material pond enter in glass liquid bath through discharge gate, molten glass level
At the 30-50cm above electric heating system, electric heating system heats melten glass liquid, guarantees melten glass liquid temperature
It is 1250-1430 DEG C, the electric heating system of glass liquid bath two sides is heated using molybdenum electrode, electrical heating power 10-20kw, molybdenum
The configuration of electrode is that glass liquid bath two sides are symmetrical；
Third step, the melten glass liquid stream in glass liquid bath enter in glass forming tank, and glass plate is made, by adjuster into
Row is adjusted, and makes the gap 0.3-1mm of glass forming tank；
4th step, glass plate control the maximum width of formed glass by vertical edge machine；
5th step, glass plate by draw it is lower with the first roller, draw thin second roller to adjust thickness, be made primary and draw thin glass,
Make the thickness of the primary drawing thin glass in glass forming tank in 350-950 μ m, draw it is lower with the first roller, draw thin second roller
Pull speed is 700-1100m/h；
6th step, it is primary that thin glass is drawn to enter heating furnace, it is heated by the Elema in heating furnace, heating power 8-
16kw, temperature are 1060-1370 DEG C, are made after once thin glass being drawn to be heated to softening point, through the thin third roller of drawing to once drawing thin glass
Glass carries out thin, the pull speed 1200-1800m/h of secondary drawing, realizes flexible glass molding, secondary drawing thin glass is made, secondary
Draw thin glass with a thickness of 50-100 μm；
7th step, it is secondary to draw thin glass by horizontally entering into after being surrounded by 90 ° of turnings of rotating cylinder progress of glass fibre protective layer
Annealing kiln, annealing kiln anneal to secondary drawing thin glass, annealing kiln electrical heating power 5-15kw, and the heating method of annealing kiln is
Resistance wire is heated；
8th step is wound into tubular by winding roller by the secondary drawing thin glass of annealing, into using the glass later period
Processing program.
The present invention mainly has the advantages that
1, glass fibre melting furnaces are improved as the raw material for preparing ultrathin flexible glass using glass fibre melting furnaces discharge material
The comprehensive utilization ratio for discharging material, not only reduces the waste of frit, additionally it is possible to produce the ultra-thin glass with high utility value
Glass product.
2, by the way that adjuster is adjusted, keep the gap of glass forming tank controllable, can not only be received according to the heat of glass
Contracting characteristic is adjusted, additionally it is possible to cooperation draw it is lower with the first roller, draw thin second roller adjusting glass once to draw thin molding thickness, together
When, vertical edge machine determines the width for preparing glass, also can be used to the fixed two sides for pulling down thin glass, reduces glass and pulls down
Contraction when thin.
3, after rotating cylinder will draw thin glass turning, horizontality is become from plumbness, easily facilitates production, moreover, rotating cylinder
The glass fibre protective layer in outside can effective protection glass surface, improve the quality of ultra-thin glass.
4, the device structure simple designs are reasonable, not only low to the transformation degree of alkali-free glass fibre tank furnace, investment operation
It is at low cost, it is significant to produce effect, additionally it is possible to the application requirement for meeting flexible glass, can be widely applied to organic thin film solar cell,
On the fields such as Flexible Displays, telecommunications, more economic and social benefits are generated, are beneficial to promote and apply.
Detailed description of the invention
Detailed description of the invention
Attached drawing 1 is the side view for the device and method that the present invention prepares ultrathin flexible glass using glass fibre melting furnaces discharge material
Structural schematic diagram；
Attached drawing 2 is the vertical view for the device and method that the present invention prepares ultrathin flexible glass using glass fibre melting furnaces discharge material
Structural schematic diagram；
As shown in Figs. 1-2, the above-mentioned device and method that ultrathin flexible glass is prepared using glass fibre melting furnaces discharge material
Each component part is indicated by following Arabic numerals:
Melting furnaces discharge material pond -1, adjuster -2, discharge gate -3, glass liquid bath -4, electric heating system -5, forming tank -6, hang down
Straight edge machine -7, draw it is lower with the first roller -8, draw thin second roller -9, heating furnace -10, Elema -11, draw thin third roller -12, turn
Cylinder -13, glass fibre protective layer -14, annealing kiln -15, winding roller -16.
Below with reference to embodiment and Figure of description, the present invention is described in further detail:
Specific embodiment
Embodiment
As shown in Figs. 1-2, a kind of equipment preparing ultrathin flexible glass using glass fibre melting furnaces discharge material, it is by melting furnaces
Discharge material pond 1, glass liquid bath 4, electric heating system 5, glass forming tank 6, vertical edge machine 7, draws lower first roller at adjuster 2
8, it draws thin second roller 9, heating furnace 10, draw thin third roller 12, rotating cylinder 13, glass fibre protective layer 14, annealing kiln 15, winding roller 16
Part forms.
As shown in Figs. 1-2, melting furnaces discharge 1 lower end of material pond is provided with discharge gate 3, and melting furnaces discharge material pond 1 and pass through glass liquid bath 4
It is connected with glass forming tank 6,4 upper end side of glass liquid bath is provided with adjuster 2, and two sides are provided with electricity and add on glass liquid bath 4
Hot systems 5,6 two sides of glass forming tank are disposed with vertical edge machine 7 respectively, draw lower first roller 8, thin second roller 9 of drawing, glass
6 other end of glass forming tank passes through heating furnace 10, several Elemas 11,10 lower end two sides of heating furnace point are provided in heating furnace 10
It is not provided with and draws thin third roller 12, draw thin 12 lower end of third roller to be provided with rotating cylinder 13, glass fibers maintenance is provided on the outside of rotating cylinder 13
Sheath 14,13 side of rotating cylinder are provided with annealing kiln 15, and 15 side of annealing kiln is provided with winding roller 16.
The width adjusting range of the glass forming tank 6 is 350-950 μm, and the gap of glass forming tank 6 is 0.3-
1mm。
The material of described thin second roller 9 of drawing is fused quartz, and diameter is Φ 10-18mm, draws the material of thin third roller 12 to be
Fused quartz, diameter are Φ 8-15mm, and the material of rotating cylinder 13 is fused quartz, and the material of vertical edge machine 7 is that 06Cr25Ni20 is resistance to
Hot stainless steel, drawing the lower material with the first roller 8 is alpha-beta Al2O3, α-β Al2O3With good heat-resisting quantity and stability,
Pollution and scuffing to glass is small, and drawing the diameter of thin roller is Φ 12-20mm.
The electric heating system 5 is heated using molybdenum electrode, and the configuration of electrical heating power 10-20kw, molybdenum electrode are
Forming tank two sides are symmetrical, and 15 electrical heating power 5-15kw of annealing kiln, the heating method of annealing kiln 15 is that resistance wire is added
Heat.
A method of ultrathin flexible glass is prepared using glass fibre melting furnaces discharge material, characterized in that including following step
It is rapid:
Glass fibre melting furnaces are discharged and expect that progress clarifying and homogenizing is uniform, melten glass is made by the first step, starting device switch
Liquid flows into melting furnaces discharge material pond 1, and the calcium oxide content in melten glass liquid is high, within the scope of 13.6%-26.8%；
Second step, melting furnaces discharge the melten glass liquid in material pond 1 and enter in glass liquid bath 4 through discharge gate 3, melten glass liquid
At the 30-50cm above electric heating system 5, electric heating system 5 heats melten glass liquid in face, guarantees melten glass liquid
Temperature is 1250-1430 DEG C, and the electric heating system 5 of 4 two sides of glass liquid bath is heated using molybdenum electrode, electrical heating power 10-
20kw, the configuration of molybdenum electrode are that 4 two sides of glass liquid bath are symmetrical；
Third step, the melten glass liquid stream in glass liquid bath 4 enter in glass forming tank 6, and glass plate is made, passes through adjuster
2 are adjusted, and make the gap 0.3-1mm of glass forming tank 6；
4th step, glass plate control the maximum width of formed glass by vertical edge machine 7；
5th step, glass plate by draw it is lower with the first roller 8, draw thin second roller 9 to adjust thickness, be made and once draw thin glass
Glass makes the thickness of the primary drawing thin glass in glass forming tank 6 in 350-950 μ m, draw it is lower with the first roller 8, draw it is thin by the
The pull speed of two rollers 9 is 700-1100m/h；
6th step, it is primary that thin glass is drawn to enter heating furnace 10, it is heated, is heated by the Elema 11 in heating furnace 10
Power 8-16kw, temperature are 1060-1370 DEG C, are made after once thin glass being drawn to be heated to softening point, through drawing thin third roller 12 to one
Secondary drawing thin glass carries out thin, the pull speed 1200-1800m/h of secondary drawing, realizes flexible glass molding, is made secondary and draws thin glass
Glass, it is secondary draw thin glass with a thickness of 50-100 μm；
7th step, it is horizontal after secondary 90 ° of turnings of the progress of rotating cylinder 13 for drawing thin glass by being surrounded by glass fibre protective layer 14
Into annealing kiln 15, annealing kiln 15 anneals to secondary drawing thin glass, 15 electrical heating power 5-15kw of annealing kiln, annealing kiln 15
Heating method be that resistance wire is heated；
8th step is wound into tubular by winding roller 16 by the secondary drawing thin glass of annealing, into after application glass
Phase processing program.
The compositing range of general alkali-free glass fibre: SiO2: 50-62%, Al2O3: 11-17%, CaO:19-26%,
MgO:0.3-2.2%, Fe2O3: 0.05-0.2%, B2O3: 4-9%, BaO:0.4-1.9%.And this glass composition also can be wide
It is general to be applied on the fields such as organic thin film solar cell, Flexible Displays, telecommunications.It is fine with the alkali-free glass for producing 80000 tons per year
For tieing up tank furnace, daily each channel blowing amount at 2-5 tons, main purpose be by defect that may be present in melten glass liquid,
The wire drawing of glass is influenced such as the defects of calculus, bubble, striped, while the ferriferous oxide contained in melten glass liquid can also sink to glass
The bottom of glass liquid is all released this part material by blowing, this part material is all burden to resource and environment, it should raising pair
This partial discharge material can be converted to the flexible glass plate with high utility value by its application, the present invention.
The above description is only an embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (5)
1. a kind of equipment for preparing ultrathin flexible glass using glass fibre melting furnaces discharge material, it is by melting furnaces discharge material pond (1), tune
Section device (2), electric heating system (5), glass forming tank (6), vertical edge machine (7), draws lower first roller at glass liquid bath (4)
(8), thin second roller (9), heating furnace (10) are drawn, draws thin third roller (12), rotating cylinder (13), glass fibre protective layer (14), annealing
Kiln (15), winding roller (16) part form, it is characterized in that: melting furnaces discharge material pond (1) lower end is provided with discharge gate (3), melting furnaces row
Running-out pit (1) is connected by glass liquid bath (4) with glass forming tank (6), and glass liquid bath (4) upper end side is provided with adjuster
(2), two sides are provided with electric heating system (5) on glass liquid bath (4), and glass forming tank (6) two sides are disposed with vertically respectively
Edge machine (7) draws lower first roller (8), thin second roller (9) of drawing, and glass forming tank (6) other end passes through heating furnace (10), adds
Several Elemas (11) are provided in hot stove (10), heating furnace (10) lower end two sides, which are respectively arranged with, draws thin third roller (12),
It draws thin third roller (12) lower end to be provided with rotating cylinder (13), is provided with glass fibre protective layer (14), rotating cylinder on the outside of rotating cylinder (13)
(13) side is provided with annealing kiln (15), and annealing kiln (15) side is provided with winding roller (16).
2. a kind of equipment for preparing ultrathin flexible glass using glass fibre melting furnaces discharge material according to claim 1,
Be characterized in: the width adjusting range of glass forming tank (6) is 350-950 μm, and the gap of glass forming tank (6) is 0.3-1mm.
3. a kind of equipment for preparing ultrathin flexible glass using glass fibre melting furnaces discharge material according to claim 1,
Be characterized in: the material for drawing thin second roller (9) is fused quartz, and diameter is Φ 10-18mm, and drawing the material of thin third roller (12) is molten stone
English, diameter are Φ 8-15mm, and the material of rotating cylinder (13) is fused quartz, and the material of vertical edge machine (7) is that 06Cr25Ni20 is resistance to
Hot stainless steel, drawing the lower material with the first roller (8) is alpha-beta Al2O3, and alpha-beta Al2O3 has good heat-resisting quantity and stabilization
Property, the pollution and scuffing to glass are small, and drawing the diameter of thin roller is Φ 12-20mm.
4. a kind of equipment for preparing ultrathin flexible glass using glass fibre melting furnaces discharge material according to claim 1,
Be characterized in: electric heating system (5) is heated using molybdenum electrode, and electrical heating power 10-20kw, the configuration of molybdenum electrode is forming tank
Two sides are symmetrical, and annealing kiln (15) electrical heating power 5-15kw, the heating method of annealing kiln (15) is that resistance wire is heated.
5. a kind of method for preparing ultrathin flexible glass using glass fibre melting furnaces discharge material, characterized in that the following steps are included:
Glass fibre melting furnaces are discharged and expect that progress clarifying and homogenizing is uniform, melten glass liquid is made by the first step, starting device switch,
It flows into melting furnaces discharge material pond (1), the calcium oxide content in melten glass liquid is high, within the scope of 13.6%-26.8%；
Second step, melting furnaces discharge the melten glass liquid in material pond (1) and enter in glass liquid bath (4) through discharge gate (3), melten glass
For liquid level at the 30-50cm above electric heating system (5), electric heating system (5) heats melten glass liquid, guarantees melting
Temperature of glass liquid is 1250-1430 DEG C, and the electric heating system (5) of glass liquid bath (4) two sides is heated using molybdenum electrode, and electricity adds
Thermal power 10-20kw, the configuration of molybdenum electrode are that glass liquid bath (4) two sides are symmetrical；
Third step, the melten glass liquid stream in glass liquid bath (4) enter in glass forming tank (6), and glass plate is made, passes through adjuster
(2) it is adjusted, makes the gap 0.3-1mm of glass forming tank (6)；
4th step, glass plate control the maximum width of formed glass by vertical edge machine (7)；
5th step, glass plate by draw it is lower with the first roller (8), draw thin second roller (9) to adjust thickness, be made and once draw thin glass
Glass makes the thickness of the primary drawing thin glass in glass forming tank (6) in 350-950 μ m, draws lower first roller (8), drawing
The pull speed of thin second roller (9) is 700-1100m/h；
6th step, it is primary that thin glass is drawn to enter heating furnace (10), it is heated, is added by the Elema (11) in heating furnace (10)
Thermal power 8-16kw, temperature are 1060-1370 DEG C, are made after once thin glass being drawn to be heated to softening point, through drawing thin third roller (12)
It draws thin glass to carry out thin, the pull speed 1200-1800m/h of secondary drawing to primary, realizes flexible glass molding, secondary drawing is made
Thin glass, it is secondary draw thin glass with a thickness of 50-100 μm；
7th step, it is horizontal after secondary 90 ° of turnings of rotating cylinder (13) progress for drawing thin glass by being surrounded by glass fibre protective layer (14)
Into annealing kiln (15), annealing kiln (15) anneals to secondary drawing thin glass, and annealing kiln (15) electrical heating power 5-15kw is moved back
The heating method of fiery kiln (15) is that resistance wire is heated；
8th step is wound into tubular by winding roller (16) by the secondary drawing thin glass of annealing, into using the glass later period
Processing program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110204180A (en) * | 2019-05-09 | 2019-09-06 | 山东乐和家日用品有限公司 | For producing the narrow slit device and technique of high alumina cell phone rear cover glass sheet |
| CN110467336A (en) * | 2019-09-02 | 2019-11-19 | 重庆春江镀膜玻璃有限公司 | A kind of sheet glass manufacturing apparatus |
| CN112321137A (en) * | 2020-11-19 | 2021-02-05 | 河北省沙河玻璃技术研究院 | Pressure-stabilizing and temperature-regulating device for preparing flexible glass by slit method and control method |
| CN113698079A (en) * | 2021-08-24 | 2021-11-26 | 河北光兴半导体技术有限公司 | Manufacturing equipment and manufacturing method of ultrathin flexible glass |
| CN114014015A (en) * | 2021-11-16 | 2022-02-08 | 秦皇岛玻璃工业研究设计院有限公司 | Conveying line and conveying method for sheet glass cold end production |
| CN115304253A (en) * | 2022-06-20 | 2022-11-08 | 杭州乾智坤达新材料科技有限公司 | Flexible glass production equipment and production process thereof |
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| CN110204180A (en) * | 2019-05-09 | 2019-09-06 | 山东乐和家日用品有限公司 | For producing the narrow slit device and technique of high alumina cell phone rear cover glass sheet |
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| CN114014015B (en) * | 2021-11-16 | 2022-09-06 | 秦皇岛玻璃工业研究设计院有限公司 | Conveying line and conveying method for sheet glass cold end production |
| CN115304253A (en) * | 2022-06-20 | 2022-11-08 | 杭州乾智坤达新材料科技有限公司 | Flexible glass production equipment and production process thereof |
| CN115304253B (en) * | 2022-06-20 | 2024-03-29 | 杭州乾智坤达新材料科技有限公司 | Flexible glass production equipment and production process thereof |
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