CN104891796A - Glass toughening method - Google Patents
Glass toughening method Download PDFInfo
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- CN104891796A CN104891796A CN201510251916.9A CN201510251916A CN104891796A CN 104891796 A CN104891796 A CN 104891796A CN 201510251916 A CN201510251916 A CN 201510251916A CN 104891796 A CN104891796 A CN 104891796A
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Abstract
The invention discloses a glass toughening method; during processing of glass with same thickness, the time for glass toughening blowing is associated with the length of each-furnace glass, and the method comprises the following specific steps: 1) after the each-furnace glass is heated, when the front end of the each-furnace glass enters a cooling air grid or before the front end of the each-furnace glass enters the cooling air grid, allowing the cooling air grid to begin toughening blowing; 2) when the tail end of the each-furnace glass enters the cooling air grid, beginning to carry out toughening blowing timing; 3) after the toughening blowing time reaches the set glass toughening time or the glass toughening necessary time, changing toughening blowing of the cooling air grid into cooling blowing; and 4) when the time of the cooling air grid blowing air reaches the set glass cooling time or a set glass cooling temperature is reached, completing glass toughening cooling. Through a controller and a displacement sensor, the method allows the toughening blowing time to be associated with the length of the each-furnace glass, reasonably controls a beginning point and an end point of toughening blowing, makes the toughening blowing time just right, and not only ensures the toughening quality but also reduces the energy consumption.
Description
Technical field
The present invention relates to a kind of glass tempering method, being related specifically to one can by computing, and the difference according to glass length accurately controls tempering blow-time, not only ensures the quality of toughened glass but also realize the glass tempering method of energy-conservation object.
Background technology
The forming process of toughened glass is by after glass heats to certain temperature, is formed after dropping to certain temperature according to certain speed of cooling.Correspond, can by glass tempering furnace energy consumption mainly contain three parts form:
1, by the energy consumption required for glass heats to certain temperature;
2, by the energy consumption required for glass cools to certain temperature;
3, other the auxiliary energy consumption required for equipment operation.
Concerning heating energy consumption, heat lost have been accomplished minimum by current heat preservation technology; Concerning auxiliary energy consumption, the ratio shared by energy consumption is less, and power loss is also less; Concerning the power consumption cooled, current power consumption is still larger, also has the space promoted.
In prior art, glass is swung by reciprocating swing or non-shuttle and carries out tempering cooling in cooling air grid.In the reciprocating swing tempering process of cooling of glass, in order to the needs of energy-saving and emission-reduction, reduce energy consumption further, cooling time can be further subdivided into tempering time and cooling time, and the requirement of different periods to wind is different.Thus, also there are tempering blowing and cooling quench two kinds of operating mode in cooling air grid.For 5 millimeters of glass, the cooling air required for the tempering time is high blast, and the cooling air required for cooling time is low blast.The requirement of cooling wind is different, and the energy consumption caused also is different, if having employed high blast in the period of cooling, certainly will cause the increase of energy consumption.
Process glass being completed to tempering is well-known in tempering industry, and the tempering necessary time (completing the shortest time required for tempering) required for the glass of different size is different.But be constant for the glass tempering necessary time determining specification.In order to complete the tempering of the glass of maximum specification, tempering timing is started when common way is and arrives cooling air grid end in the front end of every stove glass in industry, result causes the tempering time of technique initialization to be greater than glass tempering necessary time, causes unnecessary waste.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of glass tempering method, the method is by controller and displacement sensor, tempering blow-time is associated with every stove glass length, the Origin And Destination of conservative control tempering blowing, make tempering blow-time just right, both ensure that tempering quality again reduced energy consumption.
For achieving the above object, the present invention discloses a kind of glass tempering method, and when processing the glass of same thickness, glass tempering time used of drying is associated with the length of every stove glass, and its concrete steps are as follows:
1) after every stove glass heats, when entering cooling air grid in the front end of every stove glass or before entering cooling air grid, cooling air grid starts tempering blowing;
2), when the end of every stove glass enters cooling air grid, tempering blowing timing is started;
3), after tempering blow-time glass tempering time of reaching setting or glass tempering necessary time, cooling air grid is dried by tempering and is transferred cooling quench to;
4) the glass cools time of cooling air grid blowing to setting or the glass cools temperature of setting, completes glass tempering cooling.
Further, the end of time point and every stove glass that every stove glass starts to enter cooling air grid enters the time point of cooling air grid to adopt displacement sensor to judge.
Further, toughening method as claimed in claim 1, is characterized in that, in described step 3), the glass tempering time of described setting is fixed value or the dynamic value relevant to every stove glass length or length of interval.
Further, institute's displacement sensors is encoder or rotating transformer.
Need special instruction two point: (1) " every stove glass " of the present invention refers to that annealing furnace heats the glass with tempering cooling each time, it can be a sheet glass, also can be the set formed along the spaced divided glass of throughput direction, therefore, the front end of every stove glass and end can be front end and the end of a sheet glass, and most cases is front end and the end of the set that above-mentioned divided glass is formed.(2) front end of the present invention and end can be understood as every front end of stove glass and the edge of end, it is also understood that a region into the preseting length near above-mentioned edge.
During use, when the front end of every stove glass enters cooling air grid or before entering cooling air grid, the blowing of blower fan tempering starts, to guarantee the front end tempering of every stove glass, when the end of every stove glass enters cooling air grid, start tempering blowing timing, after the glass tempering time or glass tempering necessary time of setting, the blowing of blower fan tempering terminates, to guarantee the end tempering of every stove glass, transfer cooling quench to subsequently, until the glass cools time of setting or the cooling temperature of setting, complete glass tempering process.The length of so every stove glass is associated with tempering blow-time, both meets processing requirement, and reaches energy-saving effect again.
Embodiment
Below the specific embodiment of the present invention is described.
A kind of glass tempering method, when processing the glass of same thickness, glass tempering time used of drying is associated with the length of every stove glass, and its concrete steps are as follows:
1) after every stove glass heats, when entering cooling air grid in the front end of every stove glass or before entering cooling air grid, cooling air grid starts tempering blowing;
2), when the end of every stove glass enters cooling air grid, tempering blowing timing is started;
3), after tempering blow-time glass tempering time of reaching setting or glass tempering necessary time, cooling air grid is dried by tempering and is transferred cooling quench to;
4) the glass cools time of cooling air grid blowing to setting or the glass cools temperature of setting, completes glass tempering cooling.
The glass tempering time set described in present embodiment is fixed value, and namely the glass tempering time of every stove glass setting of same thickness is identical; Or be dynamic value, there is corresponding relation in the glass tempering time namely set and every stove glass length or length of interval.
In present embodiment, the end of time point and every stove glass that the front end of every stove glass starts to enter cooling air grid enters the time point of cooling air grid to adopt displacement sensor to judge.Institute's displacement sensors is encoder or rotating transformer.
With wide 2400mm, the annealing furnace of long 5000mm is example, and the glass energy-saving effect that 5mm is thick is as follows:
| Glass length (mm) | 1000 | 2000 | 3000 | 4000 | 5000 |
| The actual blow-time (s) of tempering | 12 | 14 | 16 | 18 | 20 |
| Tempering blow-time (s) in industry | 21 | 21 | 21 | 21 | 21 |
| Save time (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) entering grid speed fixes tentatively as 500mm/s;
3) tempering necessary time is decided to be 10s;
4) based on above-mentioned 3 points, the tempering blow-time in industry is 21s.
As can be seen from the above table, adopt this method, energy-conservation the good results are evident, and when the length of especially every stove glass is less, energy-saving effect is more outstanding.It is easily understood that: it is an example that above-mentioned tempering necessary time is decided to be a fixed value (such as 10S); Be in most cases the glass tempering time of setting, this time is the dynamic value relevant to every stove glass length or length of interval.
It should be noted that: by displacement sensor, such as encoder judges that the time point that the end of time point and every stove glass that the front end of every stove glass starts to enter cooling air grid enters cooling air grid belongs to the ordinary skill in the art, does not repeat them here.
Above only describes the preferred embodiment of the application, but the application is not limited thereto, every those of ordinary skill in the art are under the spirit not departing from the application, and any improvement made and/or distortion, all belong to the protection domain of the application.
Claims (4)
1. a glass tempering method, is characterized in that, when processing the glass of same thickness, glass tempering time used of drying is associated with the length of every stove glass, and its concrete steps are as follows:
1) after every stove glass heats, when entering cooling air grid in the front end of every stove glass or before entering cooling air grid, cooling air grid starts tempering blowing;
2), when the end of every stove glass enters cooling air grid, tempering blowing timing is started;
3), after tempering blow-time glass tempering time of reaching setting or glass tempering necessary time, cooling air grid is dried by tempering and is transferred cooling quench to;
4) the glass cools time of cooling air grid blowing to setting or the glass cools temperature of setting, completes glass tempering cooling.
2. toughening method as claimed in claim 1, is characterized in that, described step 1) or 2) in, the end of time point and every stove glass that the front end of every stove glass starts to enter cooling air grid enters the time point of cooling air grid to adopt displacement sensor to judge.
3. toughening method as claimed in claim 1, it is characterized in that, in described step 3), the glass tempering time of described setting is fixed value or the dynamic value relevant to every stove glass length or length of interval.
4. toughening method as claimed in claim 2, it is characterized in that, institute's displacement sensors is encoder or rotating transformer.
Priority Applications (1)
| 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 |
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| CN201510251916.9A CN104891796B (en) | 2015-05-18 | 2015-05-18 | A kind of glass tempering method |
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| CN104891796A true CN104891796A (en) | 2015-09-09 |
| CN104891796B CN104891796B (en) | 2017-06-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107500519A (en) * | 2017-08-07 | 2017-12-22 | 洛阳兰迪玻璃机器股份有限公司 | A kind of glass plate steel process course control method for use |
| US11479495B2 (en) * | 2017-08-07 | 2022-10-25 | Luoyang Landglass Technology Co., Ltd. | Actuating mechanism control method for glass plate tempering process |
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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107500519A (en) * | 2017-08-07 | 2017-12-22 | 洛阳兰迪玻璃机器股份有限公司 | A kind of glass plate steel process course control method for use |
| 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 |
| US11479495B2 (en) * | 2017-08-07 | 2022-10-25 | Luoyang Landglass Technology Co., Ltd. | Actuating mechanism control method for glass plate tempering process |
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| CN104891796B (en) | 2017-06-23 |
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