CN106746546A - A kind of temprature control method in 2 2.5mm safety glass toughening process - Google Patents
A kind of temprature control method in 2 2.5mm safety glass toughening process Download PDFInfo
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- CN106746546A CN106746546A CN201710164561.9A CN201710164561A CN106746546A CN 106746546 A CN106746546 A CN 106746546A CN 201710164561 A CN201710164561 A CN 201710164561A CN 106746546 A CN106746546 A CN 106746546A
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Classifications
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- 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
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The invention discloses the temprature control method in a kind of 2 2.5mm safety glass toughening process, step includes the air-cooled heating of segmentation alternating temperature, high pressure, solution cooling, hot water cooling and natural cooling；Beneficial effects of the present invention are：Using by stages heating, cooling, glass surface stress distribution is adjusted, it is ensured that the planarization of safety glass, increase the degree of the temper of glass surface；Through being easily processed for the application, it is possible to reduce the glass tempering time, and thicken bearing stress layer；In addition, the annealing furnace of the application is arranged using matrix form electric furnace heating wire, uniformly, error is within 1 DEG C to make temperature control in body of heater.
Description
Technical field
The present invention relates to the temperature in glass working arts field, more particularly to a kind of 2-2.5mm safety glass toughening process
Degree control method.
Background technology
Safety glass makes it be widely used due to having the advantages that higher mechanical strength, good security；Wherein 2-
The safety glass of 2.5mm thickness belongs to thin type safety glass, at present conventional chemical tempering process and physical toughened method, tempering time
It is long, and bearing stress is thin；
In addition, thin type glass is when tempering, the annealing furnace that at present uses every section difference stricter to temperature control requirement
Control temperature, causes in every section that temperature error is larger between difference, causes safety glass finished product self-destruction rate higher.
The content of the invention
For the problems of the prior art, the invention aims to provide a kind of 2-2.5mm safety glass toughening process
In temprature control method.
In order to achieve the above object, the technical scheme is that：A kind of temperature in 2-2.5mm safety glass toughening process
Degree control method, comprises the following steps：
1）, by glass to be toughened feeding segmented annealing furnace carry out segmented laser heating；
First paragraph：530-600 DEG C of temperature, time 60-80s；
Second segment：610-640 DEG C of temperature, time 40-50s；
3rd section：650-700 DEG C of temperature, time 30-40s；
2）, using high pressure is air-cooled glass temperature is cooled to 290-300 DEG C；
3）, by step 2）600-800s is cooled down in the solution treatment trough of 150-160 DEG C of glass addition；
4）, by step 3）Glass stands 2-3 hours in being put into 85-95 DEG C of hot water；
5）, by step 4）Glass takes out cooling；
The step 3）Described in solution treatment trough in solution concentration be 15%-17%；Solute is barium monoxide, silicon in the solution
Sour potassium, silica and potassium permanganate, its weight ratio are 1:3:2:3.
Further, as the improvement of above-mentioned technical proposal, step 1）Described in segmented annealing furnace be divided into three sections, every section
It is 4m；Each section is equipped with upper and lower two-layer zone of heating, and the zone of heating is heated by electric furnace heating wire；Every section of upper and lower two-layer of heating furnace
Zone of heating is equipped with 48 electric furnace heating wires；Wherein the arrangement mode of electric furnace heating wire is three rows, and two adjacent rows are a node, often
Individual node passes through SCR control.
Beneficial effects of the present invention are：Using by stages heating, cooling, glass surface stress distribution is adjusted, it is ensured that tempering
The planarization of glass, increases the degree of the temper of glass surface；Through being easily processed for the application, it is possible to reduce the glass tempering time, and
Thicken bearing stress layer；In addition, the annealing furnace of the application is arranged using matrix form electric furnace heating wire, make temperature control in body of heater equal
Even, error is within 1 DEG C.
Brief description of the drawings
Fig. 1 is an annealing furnace of the invention wherein segment structure schematic diagram.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment 1
A kind of temprature control method in 2-2.5mm safety glass toughening process, comprises the following steps：
1）, by glass to be toughened feeding segmented annealing furnace carry out segmented laser heating；
First paragraph：600 DEG C of temperature, time 80s；
Second segment：640 DEG C of temperature, time 50s；
3rd section：700 DEG C of temperature, time 40s；
2）, using high pressure is air-cooled glass temperature is cooled to 300 DEG C；
3）, by step 2）800s is cooled down in the solution treatment trough of 160 DEG C of glass addition；
4）, by step 3）Glass stands 3 hours in being put into 95 DEG C of hot water；
5）, by step 4）Glass takes out cooling；
The step 3）Described in solution treatment trough in solution concentration be 17%；Solute is barium monoxide, silicic acid in the solution
Potassium, silica and potassium permanganate, its weight ratio are 1:3:2:3.
Embodiment 2
A kind of temprature control method in 2-2.5mm safety glass toughening process, comprises the following steps：
1）, by glass to be toughened feeding segmented annealing furnace carry out segmented laser heating；
First paragraph：530 DEG C of temperature, time 60s；
Second segment：610 DEG C of temperature, time 40s；
3rd section：650 DEG C of temperature, time 30s；
2）, using high pressure is air-cooled glass temperature is cooled to 290 DEG C；
3）, by step 2）600s is cooled down in the solution treatment trough of 150 DEG C of glass addition；
4）, by step 3）Glass stands 2 hours in being put into 85 DEG C of hot water；
5）, by step 4）Glass takes out cooling；
The step 3）Described in solution treatment trough in solution concentration be 15%；Solute is barium monoxide, silicic acid in the solution
Potassium, silica and potassium permanganate, its weight ratio are 1:3:2:3.
Embodiment 3
A kind of temprature control method in 2-2.5mm safety glass toughening process, comprises the following steps：
1）, by glass to be toughened feeding segmented annealing furnace carry out segmented laser heating；
First paragraph：570 DEG C of temperature, time 70s；
Second segment：630 DEG C of temperature, time 45s；
3rd section：670 DEG C of temperature, time 35s；
2）, using high pressure is air-cooled glass temperature is cooled to 295 DEG C；
3）, by step 2）700s is cooled down in the solution treatment trough of 155 DEG C of glass addition；
4）, by step 3）Glass stands 2.5 hours in being put into 90 DEG C of hot water；
5）, by step 4）Glass takes out cooling；
The step 3）Described in solution treatment trough in solution concentration be 16%；Solute is barium monoxide, silicic acid in the solution
Potassium, silica and potassium permanganate, its weight ratio are 1:3:2:3.
As described in Figure 1, the step of above-described embodiment 1）Described in segmented annealing furnace be divided into three sections, every section is 4m；Often
One section is equipped with upper and lower two-layer zone of heating, and the zone of heating is heated by electric furnace heating wire 1；Every section of upper and lower two-layer zone of heating of heating furnace
It is equipped with 48 electric furnace heating wires 1；Wherein the arrangement mode of electric furnace heating wire 1 is three rows, and two adjacent rows are a node, each section
Point is controlled by controllable silicon 2.
All simple deformations made in the case where core of the present invention is not departed from or modification each fall within protection of the invention
Scope.
Claims (2)
1. the temprature control method in a kind of 2-2.5mm safety glass toughening process, it is characterised in that：Comprise the following steps：
1）, by glass to be toughened feeding segmented annealing furnace carry out segmented laser heating；
First paragraph：530-600 DEG C of temperature, time 60-80s；
Second segment：610-640 DEG C of temperature, time 40-50s；
3rd section：650-700 DEG C of temperature, time 30-40s；
2）, using high pressure is air-cooled glass temperature is cooled to 290-300 DEG C；
3）, by step 2）600-800s is cooled down in the solution treatment trough of 150-160 DEG C of glass addition；
4）, by step 3）Glass stands 2-3 hours in being put into 85-95 DEG C of hot water；
5）, by step 4）Glass takes out cooling；
The step 3）Described in solution treatment trough in solution concentration be 15%-17%；Solute is barium monoxide, silicon in the solution
Sour potassium, silica and potassium permanganate, its weight ratio are 1:3:2:3.
2. the temprature control method in 2-2.5mm safety glass toughening process according to claim 1, it is characterised in that：
Step 1）Described in segmented annealing furnace be divided into three sections, every section is 4m；Each section is equipped with upper and lower two-layer zone of heating, described
Zone of heating is heated by electric furnace heating wire；The upper and lower two-layer zone of heating of every section of heating furnace is equipped with 48 electric furnace heating wires；The wherein row of electric furnace heating wire
Row mode is three rows, and two adjacent rows are a node, and each node passes through SCR control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710164561.9A CN106746546A (en) | 2017-03-20 | 2017-03-20 | A kind of temprature control method in 2 2.5mm safety glass toughening process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710164561.9A CN106746546A (en) | 2017-03-20 | 2017-03-20 | A kind of temprature control method in 2 2.5mm safety glass toughening process |
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| CN106746546A true CN106746546A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710164561.9A Pending CN106746546A (en) | 2017-03-20 | 2017-03-20 | A kind of temprature control method in 2 2.5mm safety glass toughening process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111039553A (en) * | 2019-12-26 | 2020-04-21 | 蚌埠中光电科技有限公司 | Method for improving strength of large-size TFT-LCD glass |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910806A (en) * | 2011-08-05 | 2013-02-06 | 深圳市富兴科技有限公司 | Preparation process of toughened glass |
| CN104045229A (en) * | 2014-07-01 | 2014-09-17 | 福建省港达玻璃制品有限公司 | Preparation process of tempered glass |
-
2017
- 2017-03-20 CN CN201710164561.9A patent/CN106746546A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910806A (en) * | 2011-08-05 | 2013-02-06 | 深圳市富兴科技有限公司 | Preparation process of toughened glass |
| CN104045229A (en) * | 2014-07-01 | 2014-09-17 | 福建省港达玻璃制品有限公司 | Preparation process of tempered glass |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111039553A (en) * | 2019-12-26 | 2020-04-21 | 蚌埠中光电科技有限公司 | Method for improving strength of large-size TFT-LCD glass |
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Application publication date: 20170531 |