CN107935382A - The preparation process of tempered glass - Google Patents
The preparation process of tempered glass Download PDFInfo
- Publication number
- CN107935382A CN107935382A CN201711357028.0A CN201711357028A CN107935382A CN 107935382 A CN107935382 A CN 107935382A CN 201711357028 A CN201711357028 A CN 201711357028A CN 107935382 A CN107935382 A CN 107935382A
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- China
- Prior art keywords
- glass
- preparation process
- tempered glass
- furnace
- temperature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/012—Tempering or quenching glass products by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/044—Tempering or quenching glass products using gas for flat or bent glass sheets being in a horizontal position
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/052—Tempering or quenching glass products using gas for flat or bent glass sheets being in a vertical position
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
Present invention is disclosed a kind of preparation process of tempered glass, the step of preparation process of the tempered glass, includes:(1)Dispensing,(2)It is melted,(3)Shaping,(4)Annealing, the preparation process of tempered glass of the invention have the advantages that simple technique, short preparation period, reduce production cycle and cost.
Description
Technical field
The present invention relates to a kind of preparation process of tempered glass.
Background technology
Tempered glass is due to having the advantages that higher mechanical strength, excellent heatproof acute degeneration, good security so that its
It is widely used and the industry such as automobile, building.For the vehicle glass that presently, there are, vehicle glass is in humid air or cold
Under cool environment, since vehicle interior temperature is higher than temperature outside car, the water vapour in air condenses to the cold in glass surface, forms droplet,
Influence sight.Automobile is equipped with wind turbine, can dry to windshield, by accelerating air flow, so that water mist evaporates, but its
Effect is bad, it is impossible to thorough demisting.At present, generally solved using the antifoggant being made of in the painting of glass overlying surfactant
This problem, but its is troublesome in poeration, therefore develop a kind of tempered glass that there is anti-fog function itself and be very important.It is anti-
Mist glass just refers to that simple glass after special either physically or chemically processing, makes surface produce unique physical chemistry
Characteristic, prevents glass surface mist formation, so as to reach the effect of the light transmittance of the visibility for not influencing mirror image or glass.It is antifog
The preparation method of glass is broadly divided into two major classes:Hydrophobicity antifogging coating or hydrophily antifogging coating are prepared in glass surface.Mesh
Before, the tempered glass with fine anti-fog effect is actually rare.
The content of the invention
It is an object of the invention to provide have the advantages that simple technique, short preparation period, reduce production cycle and cost
A kind of tempered glass preparation process.
The technical scheme is that:A kind of preparation process of tempered glass, the step of the preparation process of the tempered glass
Suddenly include:
(1)Dispensing:Block stock is crushed, makes moist raw material drying, after being then sent into smelting pot charging opening with charger, in smelting furnace
In melted;
(2)It is melted:Glass batch is heated at high temperature in tank furnace or pot furnace, is allowed to form uniform, bubble-free, and meet into
The liquid glass of type requirement;
(3)Shaping:Liquid glass is sent into smelting furnace and is heated to 550~760 DEG C, is kept for 280~460 seconds, will heated
Liquid glass after processing is delivered to quenching area by roller-way, and liquid glass is placed horizontally on roller-way, is 12KPa with wind pressure
The cooling air of~26Kpa carries out 18-22s of cooling, obtains finished product;
(4)Annealing:Glass after shaping is sent into annealing kiln to anneal, equilibrium stress, prevented from broken autoclasis.
In a preferred embodiment of the present invention, the step(1)Middle raw material is quartz sand, lime stone, dolomite, pure
Alkali, saltcake.
In a preferred embodiment of the present invention, the quartz sand, lime stone, dolomite, soda ash, saltcake part by weight are
1:1:1:0.5:1。
In a preferred embodiment of the present invention, the step(2)The temperature of middle tank furnace or pot furnace heating is 650 DEG C.
In a preferred embodiment of the present invention, the step(3)The temperature in middle quenching area is 50 DEG C.
In a preferred embodiment of the present invention, the step(3)The temperature of middle annealing kiln is 70-150 °.
A kind of preparation process of tempered glass of the present invention, there is technique simple, short preparation period, reduce the production cycle and
The advantages that cost.
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, so as to make a clearer definition of the protection scope of the present invention.
In one embodiment, a kind of the step of preparation process of tempered glass, the preparation process of the tempered glass, includes:
(1)Dispensing:Block stock is crushed, makes moist raw material drying, after being then sent into smelting pot charging opening with charger, in smelting furnace
In melted;
(2)It is melted:Glass batch is heated at high temperature in tank furnace or pot furnace, is allowed to form uniform, bubble-free, and meet into
The liquid glass of type requirement;
(3)Shaping:Liquid glass is sent into smelting furnace and is heated to 550~760 DEG C, is kept for 280~460 seconds, will heated
Liquid glass after processing is delivered to quenching area by roller-way, and liquid glass is placed horizontally on roller-way, is 12KPa with wind pressure
The cooling air of~26Kpa carries out 18-22s of cooling, obtains finished product;
(4)Annealing:Glass after shaping is sent into annealing kiln to anneal, equilibrium stress, prevented from broken autoclasis.
Further illustrate, the step(1)Middle raw material is quartz sand, lime stone, dolomite, soda ash, saltcake, the quartz
Sand, lime stone, dolomite, soda ash, saltcake part by weight are 1:1:1:0.5:1, the step(2)Middle tank furnace or pot furnace heating
Temperature be 650 DEG C, the step(3)The temperature in middle quenching area is 50 DEG C, the step(3)The temperature of middle annealing kiln is 70-
150°。
Further illustrating, the molding physical toughened method of tempered glass has the cold tempering of wind-cooling reinforcing, liquid and particulate tempering
Etc. a variety of, most common of which be wind-cooling reinforcing it is physical toughened be glass is heated to be less than after softening temperature carry out it is uniform
Quick cooling, glass outer cures because of rapid cooling and internal cooling is slower.Glass surface is produced when inside is continued and shunk
Raw compression, and inside is tensile stress, so as to improve strength of glass and resistance to sudden heating.Physical toughened capital equipment is steel
Change stove, it is made of heating and quenching two parts, is divided into horizontal annealing furnace and vertical annealing furnace two again by the mode of movement of glass
Kind.(1) the vertical tempering method of vertical tempering method is quenched using clamp hanging plate glass heating and blowing, is to use earliest
A kind of process for quenching.Vertical tempering line is mainly made of heating furnace, bending press and windshield mold for toughing three parts.By original
The glass of the pretreatments such as piece prepares, processing, washing, the dry and inspection of semifinished product, feeding electric furnace is vised with heat resisting steel clamp
In heated.After glass is heated to need temperature, it is quickly moved in air grid and carries out quenching.It is empty with compression in windshield mold for toughing
Gas uniformly, is promptly blown two surfaces of glass, makes glass quick refrigeration.In the cooling procedure of glass, the internal layer of glass
Very big temperature gradient is produced between top layer, thus compression is produced in surface layer of glass, internal layer produces tension, so as to carry
The mechanical strength and resistance to sudden heating of high glass.Glass after quenching removes from air grid and removes fixture, is packed after inspection
Storage.Tempered glass key point for process:The main processes of tempered glass are heating and quenching.Must during flat tempering heating
Sheet glass must be heated to close to glass transition temperature rapidly, be wholly absent the residual stress in glass.But heating process
In, glass cannot deform, therefore optimum heating temperature is advisable for 5~20 DEG C between R~Jrf less than softening temperature.Curved tempering is then
Softening temperature need to be heated to, glass is attached on curved mould.The general heating time per Imm thickness glass is about 40s.Glass is adding
It is not deformed in thermal process and scratch, the presentation quality of glass does not change.Clamp trace of the normal beam technique in prescribed limit
Except mark and its caused cosmetic variation.After glass is heated to design temperature, it is necessary to draw heating furnace as early as possible, quench rapidly
Fire.The quenching of glass is another important step during steel process.It is rapidly and evenly to glass quenching basic demand
Cooling, is allowed to obtain equally distributed stress and certain tempering intensity, appearance meets the tempered glass of certain standard.In order to up to
To glass is equably cooled down, equipment will effectively evacuate hot wind, easy to exclude the cullet accidentally produced, and reduce blowing as far as possible
Noise.The time of delivery of vertical tempering float glass self-heating stove to air grid shortens as far as possible, and the wind force distribution of air grid is uniform, cold
But wind is equably blown on glass surface, and glass, which will be located on the vertical plane at air grid center, to be cooled down, and air feed system will have enough
Intensity of cooling and the cooling wind that can be adjusted rapidly.The cooling wind pressure power of 5ram heavy sheet glass is 4000~5000Pa;6ram heavy sheet glass
Cooling wind pressure power be 3700~4500Pa.The cooling technique feature of horizontal tempering method is:Glass is quenched under reciprocal state
Cold and cooling;Quenching is adjusted with cooling wind in different sections;Air grid roller-way takes the oblique side for twining abrasive glass fibers rope
Method, makes glass form point contact with roller-way, reduces the contact surface of glass and roller, and the gap that cordage is spiral is under glass
Portion's cooling provides more uniform air flow region, the tempering effect of reinforcing glass.The present invention provides a kind of tempered glass
Preparation process, has the advantages that simple technique, short preparation period, reduces production cycle and cost.
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, changes or substitutions that can be made without creative work, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be with protection model that claims are limited
Subject to enclosing.
Claims (6)
- A kind of 1. preparation process of tempered glass, it is characterised in that:The step of preparation process of the tempered glass, includes:(1)Dispensing:Block stock is crushed, makes moist raw material drying, after being then sent into smelting pot charging opening with charger, in smelting furnace In melted;(2)It is melted:Glass batch is heated at high temperature in tank furnace or pot furnace, is allowed to form uniform, bubble-free, and meet into The liquid glass of type requirement;(3)Shaping:Liquid glass is sent into smelting furnace and is heated to 550~760 DEG C, is kept for 280~460 seconds, will heated Liquid glass after processing is delivered to quenching area by roller-way, and liquid glass is placed horizontally on roller-way, is 12KPa with wind pressure The cooling air of~26Kpa carries out 18-22s of cooling, obtains finished product;(4)Annealing:Glass after shaping is sent into annealing kiln to anneal, equilibrium stress, prevented from broken autoclasis.
- 2. the preparation process of tempered glass according to claim 1, it is characterised in that:The step(1)Middle raw material is stone Sand, lime stone, dolomite, soda ash, saltcake.
- 3. the preparation process of tempered glass according to claim 2, it is characterised in that:The quartz sand, lime stone, white clouds Stone, soda ash, saltcake part by weight are 1:1:1:0.5:1.
- 4. the preparation process of tempered glass according to claim 1, it is characterised in that:The step(2)Middle tank furnace or earthenware The temperature of crucible kiln heating is 650 DEG C.
- 5. the preparation process of tempered glass according to claim 1, it is characterised in that:The step(3)Middle quenching area Temperature is 50 DEG C.
- 6. the preparation process of tempered glass according to claim 1, it is characterised in that:The step(3)Middle annealing kiln Temperature is 70-150 °.
Priority Applications (1)
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CN201711357028.0A CN107935382A (en) | 2017-12-16 | 2017-12-16 | The preparation process of tempered glass |
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CN201711357028.0A CN107935382A (en) | 2017-12-16 | 2017-12-16 | The preparation process of tempered glass |
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CN107935382A true CN107935382A (en) | 2018-04-20 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111169055A (en) * | 2020-02-28 | 2020-05-19 | 广州市天历德电子科技有限公司 | Infrared receiving device and preparation process thereof |
CN111592219A (en) * | 2020-04-08 | 2020-08-28 | 浙江九龙山实业股份有限公司 | Novel processing technology and production device for safe toughened glass |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102173580A (en) * | 2011-02-24 | 2011-09-07 | 北京工业大学 | High-alkali magnesium aluminum silicate glass applicable to chemical tempering |
CN104513002A (en) * | 2013-09-26 | 2015-04-15 | 青岛市首胜实业有限公司 | Production technology of toughened glass |
CN106746636A (en) * | 2016-12-31 | 2017-05-31 | 长兴旗滨玻璃有限公司 | A kind of manufacture method of super thick super large glass |
-
2017
- 2017-12-16 CN CN201711357028.0A patent/CN107935382A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102173580A (en) * | 2011-02-24 | 2011-09-07 | 北京工业大学 | High-alkali magnesium aluminum silicate glass applicable to chemical tempering |
CN104513002A (en) * | 2013-09-26 | 2015-04-15 | 青岛市首胜实业有限公司 | Production technology of toughened glass |
CN106746636A (en) * | 2016-12-31 | 2017-05-31 | 长兴旗滨玻璃有限公司 | A kind of manufacture method of super thick super large glass |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111169055A (en) * | 2020-02-28 | 2020-05-19 | 广州市天历德电子科技有限公司 | Infrared receiving device and preparation process thereof |
CN111592219A (en) * | 2020-04-08 | 2020-08-28 | 浙江九龙山实业股份有限公司 | Novel processing technology and production device for safe toughened glass |
CN111592219B (en) * | 2020-04-08 | 2021-07-02 | 浙江九龙山实业股份有限公司 | Processing technology and production device of safe toughened glass |
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Application publication date: 20180420 |