CN107879601A - The preparation method of float glass - Google Patents
The preparation method of float glass Download PDFInfo
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- CN107879601A CN107879601A CN201711357041.6A CN201711357041A CN107879601A CN 107879601 A CN107879601 A CN 107879601A CN 201711357041 A CN201711357041 A CN 201711357041A CN 107879601 A CN107879601 A CN 107879601A
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- Prior art keywords
- glass
- preparation
- float glass
- account
- cooling
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B18/00—Shaping glass in contact with the surface of a liquid
- C03B18/02—Forming 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
-
- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
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- 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
Include present invention is disclosed a kind of preparation method of float glass, the step of the preparation method of the float glass：（1）Dispensing,（2）Found,（3）Shaping,（4）Cooling,（5）Cut and store, the preparation method of float glass of the invention has and reduces glass melting temperature, and heat endurance is high, good heat-insulation effect, and safety coefficient is high, the advantages that energy-conserving and environment-protective.
Description
Technical field
The present invention relates to a kind of preparation method of float glass.
Background technology
Glass production enterprise always " double height " enterprise, high energy consumption, high pollution.This is complete not to the utmost mainly due to glass ingredient
It is kind, caused by causing glass melting temperature higher.It is temperature corresponding to 10PaS that fusing clarifying temp, which refers to viscosity, is glass
An important indicator in manufacturing process.Higher fusing clarifying temp (such as 1440 DEG C) can cause it is a series of it is unfavorable after
Fruit, such as erosion of the glass metal to pool wall refractory material are serious, make the service life reduction of cell furnace, form huge waste, together
When influence glass quality, make glass produce calculus, striped the defects of, glass defect rate rise, reduce the production of glass
Efficiency.Secondly, under higher glass melting temperature, glass batch flies material seriously, can take away substantial amounts of heat, cause the wave of the energy
Take；Glass metal volatilization is serious, makes the composition transfer of glass metal larger.Simultaneously higher forming temperature (such as 980 DEG C), makes
The rise of molten tin bath temperature is obtained, causes tin liquor volatilization serious, larger difficulty is brought to production.Chemically toughened glass be a kind of purposes very
Extensive glass.Chemical tempering is by the bearing stress of ion exchange formation glass, the simple principle of ion-exchange process
To make in surface layer of glass the larger ion exchange of radius in the less ion of radius and solution, for example, the lithium ion in glass with it is molten
Potassium ion in liquid exchanges, and the sodium ion in glass exchanges with the potassium ion in solution, is produced using the difference in basic ion volume
Raw top layer compression.Chemically toughened glass have it is high without warpage, surface smoothness, and the advantages of can suitably make cutting processing.I
State is rare earth big country, reserves very abundant, but rare earth is associated minerals, due to the limitation of technical conditions, separating-purifying rare earth
Element difficulty is big, and cost is high, therefore very uneconomical using pure rare earth compound.And the remaining rare-earth tailing after rare earth purification
In usually contain certain amount composition fixation rare earth element, the reasonable utilization of these rare-earth tailings, it will avoid the wasting of resources,
Actively impact is produced to building a conservation-minded society.
The content of the invention
It is an object of the invention to provide with glass melting temperature is reduced, heat endurance is high, good heat-insulation effect, safety
Coefficient is high, a kind of preparation method of float glass the advantages that energy-conserving and environment-protective.
The technical scheme is that：A kind of preparation method of float glass, the step of the preparation method of the float glass
Suddenly include：
（1）Dispensing：According to the material Fang Dan of regulation, various raw materials are well mixed in batch mixer according to certain ratio；
（2）Found：Deployed raw material is entered back into a kiln for there are 5 warehouses after a mixing bunker and heated, shape
Into glass melts；
（3）Shaping：Glass melts flow into molten tin bath and floated on molten metal tin liquor, and the glass melts in tin liquor form width
3.66 meters, thick 3-19mm glass tape；
（4）Cooling：After certain temperature is kept, glass tape leaves molten tin bath, afterwards into annealing chamber or continous way slow cooling kiln, by glass
The temperature of glass is down to certain temperature gradually；
（5）Cut and store：Cooling a period of time, glass pass through the quality inspection in number stage, cut into different chis again afterwards
It is very little, carry out packaging and storage.
In a preferred embodiment of the present invention, the step（1）Middle raw material include silica, sodium carbonate, calcium oxide,
Magnesium and cullet.
In a preferred embodiment of the present invention, the material quality percentage accounts for 73%, sodium carbonate for silica and accounted for
13%th, calcium oxide account for 9%, magnesium account for 4% and cullet account for 1%.
In a preferred embodiment of the present invention, the step（4）Middle holding certain temperature is 600 DEG C.
In a preferred embodiment of the present invention, the step（4）In be down to certain temperature as 50 DEG C.
In a preferred embodiment of the present invention, the step（5）Middle cooling a period of time is 24 hours.
A kind of preparation method of float glass of the present invention, having reduces glass melting temperature, and heat endurance is high, heat-insulated
Effect is good, and safety coefficient is high, the advantages that energy-conserving and environment-protective.
Embodiment
It is described in detail with reference to presently preferred embodiments of the present invention, so that advantages and features of the invention can be more easy to
In being readily appreciated by one skilled in the art, apparent clearly defined so as to be made to protection scope of the present invention.
In one embodiment, a kind of preparation method of float glass, include the step of the preparation method of the float glass：
（1）Dispensing：According to the material Fang Dan of regulation, various raw materials are well mixed in batch mixer according to certain ratio；
（2）Found：Deployed raw material is entered back into a kiln for there are 5 warehouses after a mixing bunker and heated, shape
Into glass melts；
（3）Shaping：Glass melts flow into molten tin bath and floated on molten metal tin liquor, and the glass melts in tin liquor form width
3.66 meters, thick 3-19mm glass tape；
（4）Cooling：After certain temperature is kept, glass tape leaves molten tin bath, afterwards into annealing chamber or continous way slow cooling kiln, by glass
The temperature of glass is down to certain temperature gradually；
（5）Cut and store：Cooling a period of time, glass pass through the quality inspection in number stage, cut into different chis again afterwards
It is very little, carry out packaging and storage.
Further illustrate, the step（1）Middle raw material includes silica, sodium carbonate, calcium oxide, magnesium and cullet, institute
State material quality percentage for silica account for 73%, sodium carbonate account for 13%, calcium oxide account for 9%, magnesium account for 4% and cullet account for 1%, institute
State step（4）Middle holding certain temperature is 600 DEG C, the step（4）In be down to certain temperature as 50 DEG C, the step（5）
Middle cooling a period of time is 24 hours.
Further illustrating,.The technological process of production of float glass is, according to the glass ingredient of design, to select glass life
Raw material needed for production, according to the material side of design, weighs various raw materials and is prepared into batch after mixing.Then by qualified cooperation
Material is made a gift to someone glass melter, by processes such as fusing, clarification, homogenizing and coolings in temperature range, obtains uniform glass metal.
Glass metal enters the molten tin bath full of nitrogen hydrogen protective gas through runner, chute, swims on the tin liquor surface of melting, completes glass metal
Natural Tree put down, open up it is thin, polishing, cooling after, glass tape by transition roller table hold up leave molten tin bath enter annealing evil in anneal.Move back
Glass tape after fire can be used as product export after cutting, inspection, packaging.Oxide glass be divided into again silicate glass,
Borate glass, phosphate glass etc..Silicate glass refers to the glass that basis is SiO2, and its is wide in variety, and purposes is wide.It is logical
SiO2 and alkali metal, the different content of alkaline earth oxide in glass are often pressed, is divided into again：1. quartz glass.SiO2 contains
Amount is more than 99.5%, and thermal coefficient of expansion is low, high temperature resistant, and chemical stability is good, saturating ultraviolet light and infrared light, and glass melting temperature is high, viscous
Degree is big, and shaping is more difficult.It is used in the technologies and optical instrument such as semiconductor, electric light source, optical commucication, laser.2. high silica glass
Glass.SiO2 contents about 96%, its property is similar to quartz glass.3. soda-lime glass.Based on SiO2 contents, also containing 15%
Na2O and 16% CaO, its cost is cheap, and easy-formation is suitable for mass production, and its yield accounts for the 90% of practical glass.It can give birth to
Produce glass bottle and jar, plate glass, vessel, bulb etc..4. lead silicate glass.Main component has SiO2 and PbO, has only
Special high index of refraction and high volume resistance, have good wellability with metal, available for manufacture bulb, vacuum tube stem, crystalloid
Glassware, flint optical glass etc..Lead glass containing a large amount of PbO can stop X ray and gamma-rays.5. alumino-silicate glass
Glass.Using SiO2 and Al2O3 as main component, softening transform temperature is high, for making discharge bulb, high temp glass thermometer, changing
Learn combustion tube and glass fibre etc..6. borosilicate glass.Using SiO2 and B2O3 as main component, there is well resistance to
Hot and chemical stability, to manufacture cooking apparatus, Laboratory Instruments, metal sealing glass etc..Borate glass is with B2O3
For main component, melting temperature is low, can resist sodium vapor corrosion.Borate glass refractive index containing rare earth element is high, dispersion is low,
It is a kind of novel optical glass.Phosphate glass is using P2O5 as main component, and refractive index is low, dispersion is low, for optical instrument
In.In addition, glass is divided into again by performance characteristics：Safety glass, cellular glass (i.e. foam glass, aperture about 40, are used
In desalinization, virus filtration etc.）, electro-conductive glass (be used as electrode and airplane windscreen), devitrified glass, milkiness glass
Glass（For illuminating device and decorative article etc.）And double glazing（As door glass）Deng.The present invention provides a kind of float glass
Preparation method, having reduces glass melting temperature, and heat endurance is high, good heat-insulation effect, and safety coefficient is high, energy-conserving and environment-protective etc.
Advantage.
The embodiment of the present invention, but protection scope of the present invention is not limited thereto, any to be familiar with this area
Technical staff disclosed herein technical scope in, the change or replacement that can expect without creative work should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be with protection model that claims are limited
Enclose and be defined.
Claims (6)
- A kind of 1. preparation method of float glass, it is characterised in that：The step of preparation method of the float glass, includes：（1）Dispensing：According to the material Fang Dan of regulation, various raw materials are well mixed in batch mixer according to certain ratio；（2）Found：Deployed raw material is entered back into a kiln for there are 5 warehouses after a mixing bunker and heated, shape Into glass melts；（3）Shaping：Glass melts flow into molten tin bath and floated on molten metal tin liquor, and the glass melts in tin liquor form width 3.66 meters, thick 3-19mm glass tape；（4）Cooling：After certain temperature is kept, glass tape leaves molten tin bath, afterwards into annealing chamber or continous way slow cooling kiln, by glass The temperature of glass is down to certain temperature gradually；（5）Cut and store：Cooling a period of time, glass pass through the quality inspection in number stage, cut into different chis again afterwards It is very little, carry out packaging and storage.
- 2. the preparation method of float glass according to claim 1, it is characterised in that：The step（1）Middle raw material includes Silica, sodium carbonate, calcium oxide, magnesium and cullet.
- 3. the preparation method of float glass according to claim 2, it is characterised in that：The material quality percentage is two Silica account for 73%, sodium carbonate account for 13%, calcium oxide account for 9%, magnesium account for 4% and cullet account for 1%.
- 4. the preparation method of float glass according to claim 1, it is characterised in that：The step（4）It is middle to keep certain Temperature is 600 DEG C.
- 5. the preparation method of float glass according to claim 1, it is characterised in that：The step（4）In be down to one Constant temperature degree is 50 DEG C.
- 6. the preparation method of float glass according to claim 1, it is characterised in that：The step（5）Middle one section of cooling Time is 24 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711357041.6A CN107879601A (en) | 2017-12-16 | 2017-12-16 | The preparation method of float glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711357041.6A CN107879601A (en) | 2017-12-16 | 2017-12-16 | The preparation method of float glass |
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| Publication Number | Publication Date |
|---|---|
| CN107879601A true CN107879601A (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711357041.6A Pending CN107879601A (en) | 2017-12-16 | 2017-12-16 | The preparation method of float glass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116425429A (en) * | 2023-06-13 | 2023-07-14 | 武汉智虹光电科技有限公司 | AG glass manufacturing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253864A (en) * | 2012-02-17 | 2013-08-21 | 信义光伏产业(安徽)控股有限公司 | Ultra clear float solar battery glass production process and product thereof |
-
2017
- 2017-12-16 CN CN201711357041.6A patent/CN107879601A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253864A (en) * | 2012-02-17 | 2013-08-21 | 信义光伏产业(安徽)控股有限公司 | Ultra clear float solar battery glass production process and product thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陈景华: "《无机非金属材料热工过程及设备》", 30 April 2015, 华东理工大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116425429A (en) * | 2023-06-13 | 2023-07-14 | 武汉智虹光电科技有限公司 | AG glass manufacturing device |
| CN116425429B (en) * | 2023-06-13 | 2023-10-13 | 武汉智虹光电科技有限公司 | AG glass manufacturing device |
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Application publication date: 20180406 |
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| RJ01 | Rejection of invention patent application after publication |