CN104891796B - A kind of glass tempering method - Google Patents
A kind of glass tempering method Download PDFInfo
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- CN104891796B CN104891796B CN201510251916.9A CN201510251916A CN104891796B CN 104891796 B CN104891796 B CN 104891796B CN 201510251916 A CN201510251916 A CN 201510251916A CN 104891796 B CN104891796 B CN 104891796B
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Abstract
The invention discloses a kind of glass tempering method, when the glass of same thickness is processed, the glass tempering blowing time used is associated with the length of every stove glass, and it is comprised the following steps that：1）Per stove glass after heating, when the front end of every stove glass enters cooling air grid or before entering cooling air grid, cooling air grid starts tempering blowing；2）When end per stove glass enters cooling air grid, start tempering blowing timing；3）After tempering blow-time reaches glass tempering time or the glass tempering necessary time of setting, cooling air grid switchs to cooling blowing by tempering blowing；4）Glass cool time or the glass chilling temperature of setting that cooling air grid is dried to setting, complete glass tempering cooling.The method is associated tempering blow-time with every stove glass length by controller and displacement transducer, and rationally the Origin And Destination of control tempering blowing, makes tempering blow-time just right, not only ensure that tempering quality but also had reduced energy consumption.
Description
Technical field
The present invention relates to a kind of glass tempering method, being related specifically to one kind can be by computing, according to glass length
Difference come precise control tempering blow-time, the quality for not only having ensured safety glass but also the glass tempering side for realizing energy-conservation purpose
Method.
Background technology
The forming process of safety glass is after glass is heated into certain temperature, to be dropped to necessarily according to certain cooling velocity
Temperature after formed.It is corresponding, can mainly there are three parts to constitute the energy consumption of glass tempering furnace：
1st, the energy consumption required for glass being heated into uniform temperature；
2nd, the energy consumption required for glass being cooled into uniform temperature；
3rd, other auxiliary energy consumptions required for equipment operation.
For heating energy consumption, the lost of heat has been accomplished minimum by current heat preservation technology；Auxiliary energy consumption is come
Say, the ratio shared by energy consumption is smaller, and energy loss is also smaller；For the power consumption for cooling down, current power consumption is still than larger
, the space for also being lifted.
In the prior art, glass is swung by reciprocating swing or non-shuttle in cooling air grid and carries out tempering cooling.
In the reciprocating swing tempering cooling procedure of glass, for energy-saving and emission-reduction the need for, further reducing energy consumption, cool time
Tempering time and cool time can be further subdivided into, the requirement of different period to wind is different.Thus, wind is cooled down
Grid there is also tempering blowing and cooling two kinds of mode of operations of blowing.By taking 5 millimeters of glass as an example, the cooling wind required for the tempering time
It is blast high, the cooling wind required for cool time is low blast.The requirement of cooling wind is different, the caused energy
Consumption is also different, if employing blast high in the period of cooling, certainly will cause the increase of energy consumption.
The process that tempering is completed to glass is the steel it is well known that required for the glass of different size in tempering industry
Change necessary time（Shortest time required for completing tempering）It is different.But for the glass tempering necessary time for determining specification
It is constant.In order to complete the tempering of the glass of maximum specification, common practice is reached in the front end of every stove glass in industry
Start tempering timing during cooling air grid end, as a result cause the tempering time of technique initialization to be greater than glass tempering necessary time,
Cause unnecessary waste.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of glass tempering method, the method passes through controller
And displacement transducer, tempering blow-time is associated with every stove glass length, rationally control tempering blowing starting point with
Terminal, makes tempering blow-time just right, not only ensure that tempering quality but also had reduced energy consumption.
To achieve the above object, the present invention discloses a kind of glass tempering method, when the glass of same thickness is processed, glass
The tempering blowing time used is associated with the length of every stove glass, and it is comprised the following steps that：
1）Per stove glass after heating, when the front end of every stove glass enters cooling air grid or before entering cooling air grid, cooling
Air grid starts tempering blowing；
2）When end per stove glass enters cooling air grid, start tempering blowing timing；
3）After tempering blow-time reaches glass tempering time or the glass tempering necessary time of setting, cooling air grid is by steel
Change blowing and switch to cooling blowing；
4）Glass cool time or the glass chilling temperature of setting that cooling air grid is dried to setting, complete glass tempering cold
But.
Further, judge to initially enter the time point of cooling air grid per stove glass and per stove glass using displacement transducer
The end of glass enters the time point of cooling air grid.
Further, toughening method as claimed in claim 1, it is characterised in that the step 3）In, the glass of the setting
The tempering time is fixed value or the dynamic value related to every stove glass length or length of interval.
Further, institute's displacement sensors are encoder or rotary transformer.
Need 2 points of special instruction：（1）" per stove glass " of the present invention refers to that annealing furnace is heated and tempering each time
The glass of cooling, can be a sheet glass, or the set constituted along the spaced divided glass of conveying direction, because
This, front end and end per stove glass can be the front end and end of a sheet glass, and most cases are that above-mentioned divided glass is constituted
Set front end and end.（2）Front end of the present invention and end can be understood as the front end and end of every stove glass
Edge, it is also understood that being a region of the preseting length near above-mentioned edge.
When using, when the front end of every stove glass enters cooling air grid or before entrance cooling air grid, the blowing of blower fan tempering is opened
Begin, to ensure the front end tempering of every stove glass, when the end of every stove glass enters cooling air grid, start tempering blowing timing,
Through after the glass tempering time for setting or glass tempering necessary time, the blowing of blower fan tempering terminates, to ensure every stove glass
End tempering, then switchs to cooling blowing, until the chilling temperature of the glass cool time of setting or setting, completes fiberglass
Change process.So it is associated with tempering blow-time per the length of stove glass, both meets technological requirement, section has been reached again
Can effect.
Specific embodiment
Specific embodiment of the invention is illustrated below.
A kind of glass tempering method, when the glass of same thickness is processed, time and every stove used by glass tempering blowing
The length of glass is associated, and it is comprised the following steps that：
1）Per stove glass after heating, when the front end of every stove glass enters cooling air grid or before entering cooling air grid, cooling
Air grid starts tempering blowing；
2）When end per stove glass enters cooling air grid, start tempering blowing timing；
3）After tempering blow-time reaches glass tempering time or the glass tempering necessary time of setting, cooling air grid is by steel
Change blowing and switch to cooling blowing；
4）Glass cool time or the glass chilling temperature of setting that cooling air grid is dried to setting, complete glass tempering cold
But.
The glass tempering time set described in present embodiment is fixed value, i.e., every stove glass of same thickness sets
The glass tempering time is identical；Or be dynamic value, that is, the glass tempering time for setting exists with every stove glass length or length of interval
Corresponding relation.
In present embodiment, judge to initially enter the time of cooling air grid per the front end of stove glass using displacement transducer
Point and the end per stove glass enter the time point of cooling air grid.Institute's displacement sensors are encoder or rotary transformer.
With 2400mm wide, as a example by the annealing furnace of 5000mm long, 5mm thick glass energy-saving effect is as follows：
| Glass length (mm) | 1000 | 2000 | 3000 | 4000 | 5000 |
| The actual blow-time of tempering（s） | 12 | 14 | 16 | 18 | 20 |
| Tempering blow-time in industry（s） | 21 | 21 | 21 | 21 | 21 |
| Time-consuming (s) | 9 | 7 | 5 | 3 | 1 |
| Energy-saving effect | 42.8% | 33.3% | 23.8% | 14.3% | 4.7% |
Note：1）Air grid length is 5500mm；
2）Enter grid speed to fix tentatively is 500mm/s；
3）Tempering necessary time is set to 10s；
4）Based on above-mentioned 3 points, the tempering blow-time in industry is 21s.
As can be seen from the above table, using the method, the good results are evident for energy-conservation, when especially the length per stove glass is smaller
Energy-saving effect is more prominent.It is easily understood that：Above-mentioned tempering necessary time is set to a fixed value（Such as 10S）It is one to show
Example；It it is in most cases the glass tempering time of setting, the time is the dynamic related to every stove glass length or length of interval
Value.
It should be noted that：By displacement transducer, such as encoder judges that it is cold that the front end of every stove glass initially enters
But the time point of air grid and the end per stove glass belong to the ordinary skill in the art into the time point of cooling air grid,
It will not go into details for this.
Above only describes the preferred embodiment of the application, but the application not limited to this, every ordinary skill people
In the case where spirit herein is not departed from, any improvement and/or deformation made belong to the protection domain of the application to member.
Claims (4)
1. a kind of glass tempering method, it is characterised in that when the glass of same thickness is processed, glass tempering blowing it is used when
Between be associated with the length of every stove glass, it is comprised the following steps that：
1）After often stove glass heating, when the front end of every stove glass enters cooling air grid or before entrance cooling air grid, cooling air grid
Start tempering blowing；
2）When end per stove glass enters cooling air grid, start tempering blowing timing；
3）After tempering blow-time reaches glass tempering time or the glass tempering necessary time of setting, cooling air grid is blown by tempering
Wind switchs to cooling blowing；
4）Glass cool time or the glass chilling temperature of setting that cooling air grid is dried to setting, complete glass tempering cooling.
2. toughening method as claimed in claim 1, it is characterised in that the step 1）Or 2）In, judged using displacement transducer
Time point and the end per stove glass that cooling air grid is initially entered per the front end of stove glass enter the time of cooling air grid
Point.
3. toughening method as claimed in claim 1, it is characterised in that the step 3）In, the glass tempering time of the setting
It is fixed value or the dynamic value related to every stove glass length or length of interval.
4. toughening method as claimed in claim 2, it is characterised in that institute's displacement sensors are encoder or rotary transformer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251916.9A CN104891796B (en) | 2015-05-18 | 2015-05-18 | A kind of glass tempering method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251916.9A CN104891796B (en) | 2015-05-18 | 2015-05-18 | A kind of glass tempering method |
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| CN104891796A CN104891796A (en) | 2015-09-09 |
| CN104891796B true CN104891796B (en) | 2017-06-23 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105573350A (en) * | 2015-12-28 | 2016-05-11 | 佛山市索奥斯玻璃技术有限公司 | Frequency automatic tracking control method of cooling fan of glass tempering furnace |
| CN107382045B (en) * | 2017-08-07 | 2020-02-11 | 洛阳兰迪玻璃机器股份有限公司 | Glass plate tempering process control method |
| CN107500519B (en) * | 2017-08-07 | 2020-02-07 | 洛阳兰迪玻璃机器股份有限公司 | Glass plate tempering process control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2570268Y (en) * | 2002-09-10 | 2003-09-03 | 赵霓虹 | Passing type quenching reinforced glass apparatus |
| CN1843988A (en) * | 2006-04-07 | 2006-10-11 | 无锡市新惠玻璃制品有限责任公司 | Process for preparing physical toughened thin glass |
| CN101746946A (en) * | 2009-12-21 | 2010-06-23 | 富阳豪信工艺玻璃有限公司 | Secondary homing toughening process for glass toughening furnace |
| CN102153273A (en) * | 2011-05-06 | 2011-08-17 | 洛阳兰迪玻璃机器有限公司 | Water-cooling tempering method for tempered glass |
-
2015
- 2015-05-18 CN CN201510251916.9A patent/CN104891796B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2570268Y (en) * | 2002-09-10 | 2003-09-03 | 赵霓虹 | Passing type quenching reinforced glass apparatus |
| CN1843988A (en) * | 2006-04-07 | 2006-10-11 | 无锡市新惠玻璃制品有限责任公司 | Process for preparing physical toughened thin glass |
| CN101746946A (en) * | 2009-12-21 | 2010-06-23 | 富阳豪信工艺玻璃有限公司 | Secondary homing toughening process for glass toughening furnace |
| CN102153273A (en) * | 2011-05-06 | 2011-08-17 | 洛阳兰迪玻璃机器有限公司 | Water-cooling tempering method for tempered glass |
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