CN110002731A - The production method of high-performance slab semi-tempered glass - Google Patents
The production method of high-performance slab semi-tempered glass Download PDFInfo
- Publication number
- CN110002731A CN110002731A CN201910154878.3A CN201910154878A CN110002731A CN 110002731 A CN110002731 A CN 110002731A CN 201910154878 A CN201910154878 A CN 201910154878A CN 110002731 A CN110002731 A CN 110002731A
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- China
- Prior art keywords
- glass
- tempered glass
- semi
- production method
- annealing furnace
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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
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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
Abstract
The invention belongs to the production method technical field of tempered glass more particularly to a kind of production methods of high-performance slab semi-tempered glass, suitable for manufacturing the semi-tempered glass with a thickness of 12mm~15mm.The production method of the high-performance slab semi-tempered glass is the following steps are included: S10: carrying out fine grinding to the periphery of glass；S20: the glass for completing fine grinding is placed in annealing furnace, set the heating temperature of the annealing furnace as 600 DEG C~640 DEG C, heating power be 13kW~15kW, when heating a length of 700s~1100s；S30: the glass is taken out out of described annealing furnace, and carries out quenching wind pressure to the glass, obtains semi-tempered glass.It can make to obtain with a thickness of 12mm~15mm by the production method of the high-performance slab semi-tempered glass, stress is 24 megapascal~52 megapascal, and stress difference≤7 megapascal semi-tempered glass, so that the slab semi-tempered glass reaches national standard, and stress uniformity is good.
Description
Technical field
The invention belongs to the production method technical field of tempered glass more particularly to a kind of high-performance slab semi-tempered glass
Production method.
Background technique
The processing of the plate glass half tempered of traditional 12mm~15mm, stress value is typically up to less than the 24000000 of national standard
Pa~69 megapascal.By the improvement to traditional handicraft, mainly from annealing furnace mildly dry on improve, such as by production process
In furnace temperature be set in 650 DEG C~670 DEG C, tempering heating power is set in 16kW~20kW, reaches annealing furnace general power
80%~100%, however, the stress for the semi-tempered glass that improved technique produces is greater than 69 megapascal, it is higher than national standard,
And the stress uniformity of semi-tempered glass that the technique produces is poor.Obviously, the slab half steel that existing technique is manufactured
National standard is not achieved in the stress value range for changing glass, and that there is also stress uniformities is poor, i.e., the half steel of same furnace production
Change glass all around in stress value deviation it is big, reach 10 megapascal or more.
Summary of the invention
The purpose of the present invention is to provide a kind of production methods of high-performance slab semi-tempered glass, it is intended to solve existing skill
National standard is not achieved there are stress for the slab semi-tempered glass that the technique of art is produced and the poor technology of stress uniformity is asked
Topic.
To achieve the above object, the production method of a kind of high-performance slab semi-tempered glass provided in an embodiment of the present invention,
Suitable for manufacturing the semi-tempered glass with a thickness of 12mm~15mm comprising following steps:
S10: fine grinding is carried out to the periphery of glass；
S20: the glass for completing fine grinding is placed in annealing furnace, set the heating temperature of the annealing furnace as
600 DEG C~640 DEG C, heating power be 13kW~15kW, when heating a length of 700s~1100s；
S30: the glass is taken out out of described annealing furnace, and carries out quenching wind pressure to the glass, obtains half tempered
Glass.
Optionally, in the step S10, polished finiss processing is carried out using periphery of the polishing machine to the glass.
Optionally, in the step S30, the quenching temperature for carrying out quenching wind pressure to the glass is 100 DEG C~150
DEG C, quenching when a length of 500s~1000s.
Optionally, in the step S30, the glass is placed in and the convection current air grid sides of high temperature lamps is installed quenches
Cold wind pressure.
Optionally, in the step S30, the convection current frequency of the convection current air grid is 4Hz~6Hz.
Optionally, in the step S30, quenching wind is carried out to the glass using the wind-heat air of the annealing furnace
Pressure.
Optionally, the annealing furnace is dual chamber convection tempering furnace.
Optionally, the stress of the semi-tempered glass is 24 megapascal~52 megapascal, the stress of semi-tempered glass described in monolithic
Difference≤7 megapascal.
Said one or multiple skills in the production method of high-performance slab semi-tempered glass provided in an embodiment of the present invention
Art scheme one of at least has the following technical effect that: before glass is placed in annealing furnace, first carrying out essence to the periphery of the glass
Mill processing, can damage the windshield mold for toughing of annealing furnace to avoid the periphery of glass in this way, avoid subsequent affect to annealing furnace
To the tempering operations of glass；Also, in the subsequent heating temperature for setting annealing furnace be 600 DEG C~640 DEG C and heating power is
13kW~15kW, reduce heating temperature and reduce heating power, by heating power be adjusted to annealing furnace general power 40%~
60%, while heating duration is adjusted into most 700s~1100s, after completing annealing furnace processing, glass is taken out and carries out quenching wind
Pressure, so available with a thickness of 12mm~15mm, stress is 24 megapascal~52 megapascal, stress difference≤7 megapascal half tempered glass
Glass, so that the slab semi-tempered glass reaches national standard, and stress uniformity is good.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the flow chart of the production method for the high-performance slab semi-tempered glass that one embodiment of the invention provides.
Fig. 2 be another embodiment of the present invention provides high-performance slab semi-tempered glass production method flow chart.
Fig. 3 be another embodiment of the present invention provides high-performance slab semi-tempered glass production method flow chart.Separately
Fig. 4 is the flow chart of the production method for the high-performance slab semi-tempered glass that one embodiment of the invention provides.
Fig. 5 be another embodiment of the present invention provides high-performance slab semi-tempered glass production method flow chart.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment that Fig. 1~5 is described is exemplary, it is intended to embodiment for explaining the present invention, and should not be understood as to the present invention
Limitation.
In the description of the embodiment of the present invention, it is to be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure is merely for convenience of the description embodiment of the present invention and simplifies description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the embodiment of the present invention, the meaning of " plurality " is two or two
More than a, unless otherwise specifically defined.
In embodiments of the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ",
Terms such as " fixations " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element.For the ordinary skill in the art, Ke Yigen
The concrete meaning of above-mentioned term in embodiments of the present invention is understood according to concrete condition.
In one embodiment of the invention, as shown in Figure 1, providing a kind of production side of high-performance slab semi-tempered glass
Method, it is suitable for manufacturing the semi-tempered glass with a thickness of 12mm~15mm, for example, can produce with a thickness of 12mm or 15mm
Semi-tempered glass.Specifically, the high-performance slab semi-tempered glass production method the following steps are included:
S10: fine grinding is carried out to the periphery of glass；Ensuring the periphery of glass, there is no burrs；Further, the glass
Glass can be float glass.
S20: the glass for completing fine grinding is placed in annealing furnace, set the heating temperature of the annealing furnace as
600 DEG C~640 DEG C, heating power be 13kW~15kW, when heating a length of 700s~1100s；Specifically, heating temperature can be
600 DEG C, 610 DEG C, 620 DEG C, 630 DEG C or 640 DEG C；Heating power can be 13kW, 14kW or 15kW；Heating duration can be with
For 700s, 800s, 900s, 1000s or 1100s.
S30: the glass is taken out out of described annealing furnace, and carries out quenching wind pressure to the glass, obtains half tempered
Glass.
The production method of high-performance slab semi-tempered glass provided in an embodiment of the present invention in operation, by glass
Before being placed in annealing furnace, fine grinding first carried out to the periphery of the glass, in this way can to avoid glass periphery to tempering
The windshield mold for toughing of furnace damages, and avoids tempering operations of the subsequent affect to annealing furnace to glass；Also, in subsequent setting tempering
The heating temperature of furnace is 600 DEG C~640 DEG C and heating power is 13kW~15kW, reduces heating temperature and reduces heating function
Rate, by heating power be adjusted to annealing furnace general power 40%~60~, while will heating duration adjustment most 700s~
1100s after completing annealing furnace processing, glass is taken out and carries out quenching wind pressure, so available with a thickness of 12mm~15mm, is answered
Power is 24 megapascal~52 megapascal, stress difference≤7 megapascal semi-tempered glass, so that the slab semi-tempered glass reaches national standard and wants
It asks, and stress uniformity is good.
In another embodiment of the present invention, as shown in Fig. 2, the production of the high-performance slab semi-tempered glass provided
In the step S10 of method, polished finiss processing is carried out using periphery of the polishing machine to the glass.Specifically, the step
It is middle that polishing is carried out using periphery of the polishing machine to glass, it is not only easy to operate, and fine grinding effect is good；Meanwhile also
It can avoid causing glass unnecessary damage as far as possible.
In another embodiment of the present invention, as shown in Fig. 2, the production of the high-performance slab semi-tempered glass provided
In the step S30 of method, to the glass carry out quenching wind pressure quenching temperature be 100 DEG C~150 DEG C, quenching when it is a length of
500s~1000s.Specifically, quenching wind pressure is carried out to glass by hot wind, the temperature of hot wind can be 100 DEG C, 110 DEG C, 120
DEG C, 130 DEG C, 140 DEG C or 150 DEG C, can make in this way glass from surface be cooled to the cooling control of middle layer 500s~
Between 1000s, such as control, in 500s, 600s, 700s, 800s, 900s or 1000s, the room temperature relative to traditional technology is cold
But, the quenching wind pressure time is extended, within the quenching wind pressure time, the temperature difference of glass surface and middle layer is reduced, makes glass table
The stress in face further reduces, and reaches half tempered stress state, further ensures that the stress for the semi-tempered glass to be formed 24,000,000
Within the scope of pa~52 megapascal, the slab semi-tempered glass of stress difference≤7 megapascal, formation reaches national standard, and stress uniformity
It is good.
In another embodiment of the present invention, as shown in figure 3, the production of the high-performance slab semi-tempered glass provided
In the step S30 of method, the glass is placed in the convection current air grid side progress quenching wind pressure for being equipped with high temperature lamps.This
The high temperature that high temperature lamps generate can be blowed to glass by the wind that convection current air grid exports by sample, and output temperature is at 100 DEG C~150 DEG C
Hot wind in range carries out quenching wind pressure to glass, prevents its quenching at room temperature, by reducing glass surface and centre
The temperature difference of layer is to make the stress of glass surface further reduce.
In another embodiment of the present invention, as shown in figure 5, the production of the high-performance slab semi-tempered glass provided
In the step S30 of method, the convection current frequency of the convection current air grid is 4Hz~6Hz.Specifically, the convection current frequency of convection current air grid
Rate can be 4Hz, 5Hz or 6Hz.It, can be rapidly defeated for 100 DEG C~150 DEG C of hot wind by temperature under the convection current frequency
Glass is blowed to out, and keeps certain pressure, improves the effect to the quenching wind tower of glass.
In another embodiment of the present invention, as shown in figure 4, the production of the high-performance slab semi-tempered glass provided
In the step S30 of method, quenching wind pressure is carried out to the glass using the wind-heat air of the annealing furnace.Specifically, should
In the embodiment, by, to glass progress quenching wind pressure, efficiently using annealing furnace using the hot wind transferred out in annealing furnace, and
It can equally play and hot wind, which carries out quenching wind pressure, to be realized to glass, temperature can be effectively controlled 100 DEG C~150 DEG C, prevent glass
Glass quenching at room temperature.
In another embodiment of the present invention, the production method of the high-performance slab semi-tempered glass provided it is described
Annealing furnace is dual chamber convection tempering furnace.Specifically, more preferable to glass progress tempering operations effect using dual chamber convection tempering furnace, it is complete
At stress difference≤7 megapascal on the surface of the glass formed after tempering, stress uniformity is good.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of production method of high-performance slab semi-tempered glass, suitable for manufacturing the half tempered glass with a thickness of 12mm~15mm
Glass, it is characterised in that: the following steps are included:
S10: fine grinding is carried out to the periphery of glass；
S20: the glass for completing fine grinding is placed in annealing furnace, sets the heating temperature of the annealing furnace as 600
DEG C~640 DEG C, heating power be 13kW~15kW, when heating a length of 700s~1100s；
S30: the glass is taken out out of described annealing furnace, and carries out quenching wind pressure to the glass, obtains semi-tempered glass.
2. the production method of high-performance slab semi-tempered glass according to claim 1, it is characterised in that: in the step
In S10, polished finiss processing is carried out using periphery of the polishing machine to the glass.
3. the production method of high-performance slab semi-tempered glass according to claim 1, it is characterised in that: in the step
In S30, to the quenching temperature that the glass carries out quenching wind pressure be 100 DEG C~150 DEG C, quenching when a length of 500s~1000s.
4. the production method of high-performance slab semi-tempered glass according to claim 3, it is characterised in that: in the step
In S30, the glass is placed in the convection current air grid side progress quenching wind pressure for being equipped with high temperature lamps.
5. the production method of high-performance slab semi-tempered glass according to claim 4, it is characterised in that: in the step
In S30, the convection current frequency of the convection current air grid is 4Hz~6Hz.
6. the production method of high-performance slab semi-tempered glass according to claim 3, it is characterised in that: in the step
In S30, quenching wind pressure is carried out to the glass using the wind-heat air of the annealing furnace.
7. the production method of described in any item high-performance slab semi-tempered glass according to claim 1~6, it is characterised in that:
The annealing furnace is dual chamber convection tempering furnace.
8. the production method of described in any item high-performance slab semi-tempered glass according to claim 1~6, it is characterised in that:
The stress of the semi-tempered glass is 24 megapascal~52 megapascal, stress difference≤7 megapascal of semi-tempered glass described in monolithic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910154878.3A CN110002731A (en) | 2019-03-01 | 2019-03-01 | The production method of high-performance slab semi-tempered glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910154878.3A CN110002731A (en) | 2019-03-01 | 2019-03-01 | The production method of high-performance slab semi-tempered glass |
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| Publication Number | Publication Date |
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| CN110002731A true CN110002731A (en) | 2019-07-12 |
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ID=67166157
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|---|---|---|---|
| CN201910154878.3A Pending CN110002731A (en) | 2019-03-01 | 2019-03-01 | The production method of high-performance slab semi-tempered glass |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0887180A2 (en) * | 1997-06-27 | 1998-12-30 | Nippon Sheet Glass Co., Ltd. | Laminated glass |
| CN100999379A (en) * | 2006-01-11 | 2007-07-18 | 中国科学院西安光学精密机械研究所 | Production technology of half toughened glass substrate |
| KR100753001B1 (en) * | 2006-08-11 | 2007-08-30 | (주)케이티지 | Method for manufacturing heat strengthened glass of display device |
| KR100864956B1 (en) * | 2008-07-29 | 2008-10-22 | (주)한소닉에이스 | Manufacture apparatus for tempered glass and manufacture method for tempered glass |
| CN103121793A (en) * | 2013-02-05 | 2013-05-29 | 天津南玻节能玻璃有限公司 | Toughening furnace for continuously producing half strengthened glass and production method of toughening furnace |
| CN103253850A (en) * | 2012-02-17 | 2013-08-21 | 信义光伏产业(安徽)控股有限公司 | Float semi-tempered glass production process and product thereof |
| CN104986949A (en) * | 2015-07-10 | 2015-10-21 | 中航三鑫股份有限公司 | Preparation method of 15-millimeter semi-tempered glass |
| CN108218244A (en) * | 2018-03-07 | 2018-06-29 | 吴江南玻华东工程玻璃有限公司 | A kind of production method of patterned coated glass |
-
2019
- 2019-03-01 CN CN201910154878.3A patent/CN110002731A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0887180A2 (en) * | 1997-06-27 | 1998-12-30 | Nippon Sheet Glass Co., Ltd. | Laminated glass |
| CN100999379A (en) * | 2006-01-11 | 2007-07-18 | 中国科学院西安光学精密机械研究所 | Production technology of half toughened glass substrate |
| KR100753001B1 (en) * | 2006-08-11 | 2007-08-30 | (주)케이티지 | Method for manufacturing heat strengthened glass of display device |
| KR100864956B1 (en) * | 2008-07-29 | 2008-10-22 | (주)한소닉에이스 | Manufacture apparatus for tempered glass and manufacture method for tempered glass |
| CN103253850A (en) * | 2012-02-17 | 2013-08-21 | 信义光伏产业(安徽)控股有限公司 | Float semi-tempered glass production process and product thereof |
| CN103121793A (en) * | 2013-02-05 | 2013-05-29 | 天津南玻节能玻璃有限公司 | Toughening furnace for continuously producing half strengthened glass and production method of toughening furnace |
| CN104986949A (en) * | 2015-07-10 | 2015-10-21 | 中航三鑫股份有限公司 | Preparation method of 15-millimeter semi-tempered glass |
| CN108218244A (en) * | 2018-03-07 | 2018-06-29 | 吴江南玻华东工程玻璃有限公司 | A kind of production method of patterned coated glass |
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| 王承遇 等: "《玻璃性质与工艺手册》", 30 June 2013, 化学工业出版社 * |
| 白振中 等: "《工程玻璃深加工技术手册》", 30 April 2014, 中国建材工业出版社 * |
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Application publication date: 20190712 |