CN109626804A - Temperature-adjusting device and glass substrate production line for glass substrate - Google Patents
Temperature-adjusting device and glass substrate production line for glass substrate Download PDFInfo
- Publication number
- CN109626804A CN109626804A CN201811354794.6A CN201811354794A CN109626804A CN 109626804 A CN109626804 A CN 109626804A CN 201811354794 A CN201811354794 A CN 201811354794A CN 109626804 A CN109626804 A CN 109626804A
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- China
- Prior art keywords
- temperature
- pipeline
- glass substrate
- adjusting device
- detection part
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention discloses a kind of temperature-adjusting device for glass substrate and glass substrate producing line, the temperature-adjusting device includes for the cooling tube group (1) for being separately positioned on the two sides of the glass substrate (10) come out from heating furnace (20) and the inlet pipeline (2) and water return pipeline (3) that connect with the cooling tube group (1).Temperature-adjusting device and glass substrate producing line provided by the invention, the influence for the plate shape generation to glass substrate that can change to avoid the temperature at furnace outlet, pressure difference, air flow direction, improves glass substrate stress distribution, keeps glass substrate plate shape.
Description
Technical field
The present invention relates to field of glass production technology, more particularly to a kind of temperature-adjusting device for glass substrate and
Glass substrate production line.
Background technique
TFT glass substrate producing line under the promotion of traction roller, is left after completing annealing operation in heating furnace burner hearth
Burner hearth enters cutting action.At the time of glass substrate leaves burner hearth, take with the thermal current (about 270 DEG C) in burner hearth, glass
The heat of glass substrate itself starts to the disperse of surrounding room temperature environment, propagates.And the thermal current of annealing furnace exit site, diffused sheet
To, diffusion velocity, diffusion area have probabilistic feature.In addition the environment temperature except this region, pressure difference, cold air rheology
The unstability of change.Lead to a certain range of microenvironment of outlet of still of annealing, plays pendulum.Glass substrate is from heating furnace
After extraction, air environment, directly heat dissipation directly around contact not quietly cause the stress distribution of glass substrate to occur sharply
Variation.Particularly with the ultra-thin glass of 0.4mm~0.7mm thickness, transient change, even unstable, nothing will occur for plate shape
Method enters high quality glass substrate standard.Glass substrate even occurs to burst.
Summary of the invention
The purpose of the invention is to overcome in the prior art glass substrate from heating furnace annealing draw rear hearth discharge ring
Border changes the influence generated to glass substrate.
To achieve the goals above, one aspect of the present invention provides a kind of temperature-adjusting device for glass substrate, special
Sign is that the temperature-adjusting device includes the cooling tube for being separately positioned on the two sides of the glass substrate come out from heating furnace
Group and the inlet pipeline and water return pipeline being connect with the cooling tube group.
Preferably, the cooling tube group includes the S-shaped pipeline being bent to form, and the S-shaped pipeline includes more straight tubes, and more
Direction interval and parallel arrangement of the straight tube along the outlet far from the heating furnace.
Preferably, at least partly straight tube in the more straight tube pipes includes sequentially connected first pipeline section, the second pipeline section
With third pipeline section, wherein the internal diameter for being located in the middle second pipeline section is greater than first pipeline section and the third pipeline section
Internal diameter.
Preferably, the equal length of first pipeline section, second pipeline section and the third pipeline section.
Preferably, the S-shaped pipeline is round tube, and the internal diameter of the round tube is 16~22mm；Alternatively, the S-shaped pipeline is
Rectangular tube, the lumenal cross-section side length of the rectangular tube are 16~22mm；
Preferably, the inlet pipeline includes flexible tube segment；And/or the water return pipeline includes flexible tube segment.
Preferably, the temperature-adjusting device further includes control system, and the control system includes on the inlet pipeline
What is be arranged on the inflow temperature detection part that is arranged on the flow control valve of setting, the inlet pipeline, the water return pipeline returns
Coolant-temperature gage detection part and can be according to the inflow temperature detection part and the return water detection part temperature detected
Control the control unit of the flow control valve.
Preferably, the control system further includes the glass temperature test section for detecting the glass baseplate surface temperature
Part, described control unit are examined according to the inflow temperature detection part, the return water temperature detection part and the glass temperature
It surveys component temperature detected and controls the flow control valve.
Preferably, flowmeter is provided on the inlet pipeline.
According to another aspect of the present invention, a kind of glass substrate producing line is also provided, the glass substrate producing line includes heating
Furnace, the exit of the heating furnace are provided with temperature-adjusting device as described above.
Temperature-adjusting device and glass substrate producing line provided by the present invention for glass substrate, can be to furnace outlet
The temperature at place is adjusted and stablizes, and workshop condition temperature, pressure difference, air flow direction is avoided to change the plate shape to glass substrate
The influence of generation.So as to improve glass substrate stress distribution, glass substrate plate shape is kept.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to temperature-adjusting device in an embodiment of the invention in application state；
Fig. 2 is structure shown in FIG. 1 from the structural schematic diagram in terms of the side of glass substrate；
Fig. 3 is according to structural schematic diagram thermostatic in an embodiment of the invention.
Description of symbols
1- cooling tube group；11- straight tube；The first pipeline section of 111-；The second pipeline section of 112-；113- third pipeline section；2- inlet pipeline；
21- water inlet flexible tube segment；3 water return pipelines；31- return water flexible tube segment；4- flow control valve；5- inflow temperature detection part；6-
Return water temperature detection part；7- flowmeter；8- control unit；9- pressure reducing valve；10- glass substrate；20- heating furnace；The outlet 201-.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can
To be combined with each other.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instruction such as " thickness ", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", " axial direction ", " radial direction ", " circumferential direction "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, " inside and outside " refers to the inside and outside of the profile relative to each component itself.
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 at least one this feature.
The present invention provides a kind of temperature-adjusting device for glass substrate, and as depicted in figs. 1 and 2, the temperature is adjusted
Device includes the cooling tube group 1 for being separately positioned on the two sides (side D1 and the side D2) of the glass substrate 10 come out from heating furnace 20
And the inlet pipeline 2 and water return pipeline 3 being connect with the cooling tube group 1.
Temperature-adjusting device provided by the invention is used to carry out glass substrate in use, cooling tube group 1 is mounted on
The exit of the heating furnace 20 of heating anneal, and be passed through water (such as 25 DEG C~30 DEG C), after glass substrate comes out from heating furnace 20,
It takes with the thermal current (about 270 DEG C) in burner hearth, is passed through between the cooling tube group 1 of two sides, the heat of glass substrate 10 itself
Amount starts to the disperse of surrounding room temperature environment, propagates, and the cooling tube group 1 of two sides can liquidate, be homogenized thermal current diffusion velocity, cold
But between pipe group 1 and glass substrate 10 formation temperature homogenizing, steady air current temperature field, be achieved in furnace outlet environment
Adjusting and stabilization, avoid workshop condition temperature, pressure difference, air flow direction from changing the shadow to the generation of the plate shape of glass substrate
It rings.Therefore, temperature-adjusting device provided by the invention can improve glass substrate stress distribution, guarantee glass substrate plate shape.
In a preferred embodiment of the invention, as shown in Figures 2 and 3, the cooling tube group 1 includes the S being bent to form
Shape pipeline, the S-shaped pipeline include more straight tubes 11, more straight tubes 11 formed along the direction interval exported far from heating furnace 20 and
Parallel arrangement.It should be understood that the cooling tube group 1 or other arrangement forms and form certain covering surface
Long-pending cooling tube group.In addition, the two sides of glass substrate 10 can use identical cooling tube group 1, that is, it is arranged symmetrically, can also adopts
With different cooling tube groups.
In present embodiment, the S-shaped pipeline can be formed using round tube or square tube, if using round tube, round tube
Internal diameter be preferably 16~22mm；The S-shaped pipeline selects rectangular tube, then the lumenal cross-section side length of rectangular tube be preferably 16~
22mm。
The material of pipeline can use such as red copper, brass, or using stainless steel material SUS304, SUS310,
The heat exchange efficiencies such as SUS316 height, material resistant to high temperature.
Preferably, S-shaped pipeline is formed with straight tube 11 described in 3-5 root, certainly, however it is not limited to which 3-5 root also can be set more
Root can specifically be determined according to the temperature of heating furnace 20 and the thickness of glass substrate 10.
Preferably, mostly with the spacing b between straight tube 11 be 30~60mm, be arranged straight tube between have spacing be conducive to hot friendship
It changes and is flowed with air-flow.The length L of straight tube 11 can be designed according to the size of heating furnace, substantially (straight with the length of heating furnace
Length on the extending direction of pipe 11) it is consistent.
In addition, at least partly straight tube in the more straight tubes 11 includes sequentially connected first pipe in present embodiment
Section the 111, second pipeline section 112 and third pipeline section 113, wherein the internal diameter for being located in the middle second pipeline section 112 is greater than described the
The internal diameter of one pipeline section 111 and the third pipeline section 113.In this way, being conducive to create the transition temperature of temperature homogenisation, steady air current
?.
Preferably, first pipeline section 111 is equal with the internal diameter of the third pipeline section 113, second pipeline section 112 it is interior
Diameter is 1.2~1.4 times of the internal diameter of first pipeline section 111 and the third pipeline section 113.
Preferably, the length of the length L1 of first pipeline section 111, the length L2 of the second pipeline section 112 and third pipeline section 113
It is equal to spend L3.
For that the first pipeline section 111, the second pipeline section 112 and third pipeline section 113 can be welded and form straight tube 11 convenient for manufacture.
In present embodiment, for convenience of being routed, the inlet pipeline 2 and water return pipeline 3 that cooling tube group 1 is connected can be respective
Including flexible tube segment, as it is shown on fig. 2 and fig. 3, inlet pipeline 2 includes into water flexible tube segment 21, and the water return pipeline 3 wraps
Return water flexible tube segment 31 is included.Wherein, the material of the flexible tube segment can be nitrile rubber hose resistant to high temperature or nylon
Hose, temperature resistant range is at 0~200 DEG C.
Preferably to adjust and balancing the temperature at furnace outlet, as shown in figure 3, the temperature-adjusting device further includes control
System processed, the control system include the flow control valve 4 being arranged on the inlet pipeline 2, be arranged on inlet pipeline 2 into
It the return water temperature detection part 6 that is arranged on coolant-temperature gage detection part 5, water return pipeline 3 and can be examined according to the inflow temperature
It surveys component 5 and the temperature detected of the return water detection part 6 controls the control unit 8 of the flow control valve 4.
The temperature-adjusting device may also include the glass temperature detection part for detecting the glass baseplate surface temperature, institute
Control unit 8 is stated according to the inflow temperature detection part 5, return water temperature detection part 6 and the glass temperature detection part
Temperature detected controls the flow control valve 4.Preferably, it can be respectively arranged in the two sides of glass substrate and middle position
In Fig. 2 temperature detection part is respectively set at P, M, R of glass substrate to detect glass in glass temperature detection part
Temperature.
Inflow temperature detection part 5, return water temperature detection part 6 and glass temperature detection part real-time monitoring respectively will
The temperature feedback of the inflow temperature of cooling tube group 1, return water temperature and glass substrate is to control unit 8, and control unit 8 is according to setting
Fixed parameter and received feedback signal adjust 4 flow of inlet water of flow control valve, to guarantee the temperature of cooling tube group
Stability.
In addition, the settable flowmeter 7 on inlet pipeline 2, can detect cooling by detecting the flow of inlet pipeline 2
Whether water interrupts.
Also settable pressure reducing valve 9 on inlet pipeline 2, so that the water in inlet pipeline 2 steadily flows into cooling tube group 1.
According to another aspect of the present invention, a kind of glass substrate producing line is also provided, the glass substrate producing line includes heating
Furnace 20 is provided with temperature-adjusting device as described above at the outlet 201 of the heating furnace 20.Specifically, can be by temperature tune
The hanging of cooling tube group 1 of regulating device is connected in the outlet port of heating furnace 20, the inlet pipeline 2 and water return pipeline 3 of cooling tube group 1
On the corresponding pipeline in workshop.
Various parameters, such as temperature difference, pressure, the flow etc. of water inlet and return water, control stream are set in control unit 8
The flow of control valve 4 can be realized balance and adjust the temperature field at furnace outlet, thus the plate shape of stabilized glass substrate
And stress.The stress of glass substrate can be stablized in 6060~80psi；Warpage is lower than 0.12mm.
Be provided below glass substrate annealing after using the temperature-adjusting device steady temperature field each example and
Comparative example.
Embodiment one
Embodiment two
Embodiment three
Comparative example one
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited thereto.At this
, can be with various simple variants of the technical solution of the present invention are made in the range of the technology design of invention, including each particular technique
Feature is combined in any suitable manner.In order to avoid unnecessary repetition, the present invention is to various combinations of possible ways
No further explanation will be given.But it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to the present invention
Protection scope.
Claims (10)
1. a kind of temperature-adjusting device for glass substrate, which is characterized in that the temperature-adjusting device includes for distinguishing
Be arranged from heating furnace (20) come out glass substrate (10) two sides cooling tube group (1) and with the cooling tube group (1)
The inlet pipeline (2) and water return pipeline (3) of connection.
2. temperature-adjusting device according to claim 1, which is characterized in that the cooling tube group (1) includes being bent to form
S-shaped pipeline, the S-shaped pipeline includes more straight tubes (11), and the more straight tubes (11) are along far from the heating furnace (20)
Export the direction interval of (201) and parallel arrangement.
3. temperature-adjusting device according to claim 2, which is characterized in that at least portion in the more straight tube pipes (11)
Dividing straight tube includes sequentially connected first pipeline section (111), the second pipeline section (112) and third pipeline section (113), wherein is located at centre
Second pipeline section (112) internal diameter be greater than first pipeline section (111) and the third pipeline section (113) internal diameter.
4. temperature-adjusting device according to claim 3, which is characterized in that first pipeline section (111), second pipe
The equal length of section (112) and the third pipeline section (113).
5. temperature-adjusting device according to claim 2, which is characterized in that the S-shaped pipeline is round tube, the round tube
Internal diameter is 16~22mm；Alternatively, the S-shaped pipeline is rectangular tube, the lumenal cross-section side length of the rectangular tube is 16~22mm.
6. temperature-adjusting device described in any one of -5 according to claim 1, which is characterized in that the inlet pipeline (2)
Including flexible tube segment；
And/or the water return pipeline (3) includes flexible tube segment.
7. temperature-adjusting device described in any one of -5 according to claim 1, which is characterized in that the temperature-adjusting device
It further include control system, the control system includes the flow control valve (4) being arranged on the inlet pipeline (2), the water inlet
The return water temperature detection part (6) being arranged on the inflow temperature detection part (5) that is arranged on pipeline (2), the water return pipeline (3)
And it can be according to the inflow temperature detection part (5) and the return water detection part (6) temperature control detected
The control unit (8) of flow control valve (4).
8. temperature-adjusting device according to claim 7, which is characterized in that the control system further includes for detecting
The glass temperature detection part of glass baseplate surface temperature is stated, described control unit (8) is according to the inflow temperature detection part
(5), the return water temperature detection part (6) and glass temperature detection part temperature detected control the flow and adjust
Valve (4).
9. temperature-adjusting device according to claim 7, which is characterized in that be provided with flow on the inlet pipeline (2)
It counts (7).
10. a kind of glass substrate producing line, which is characterized in that the glass substrate producing line includes heating furnace (20), the heating furnace
(20) temperature-adjusting device described in any one of -9 according to claim 1 is provided at outlet (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354794.6A CN109626804A (en) | 2018-11-14 | 2018-11-14 | Temperature-adjusting device and glass substrate production line for glass substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354794.6A CN109626804A (en) | 2018-11-14 | 2018-11-14 | Temperature-adjusting device and glass substrate production line for glass substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109626804A true CN109626804A (en) | 2019-04-16 |
Family
ID=66068005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811354794.6A Pending CN109626804A (en) | 2018-11-14 | 2018-11-14 | Temperature-adjusting device and glass substrate production line for glass substrate |
Country Status (1)
| Country | Link |
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| CN (1) | CN109626804A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791229A (en) * | 2022-03-30 | 2022-07-26 | 彩虹显示器件股份有限公司 | System and method for detecting inflow airflow at fire hole of glass forming annealing furnace |
| CN115536255A (en) * | 2022-09-21 | 2022-12-30 | 华能新能源股份有限公司 | Continuous tunnel furnace for glass substrates |
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| JPH11157859A (en) * | 1997-11-25 | 1999-06-15 | Noritake Co Ltd | Cooling method of glass panel and apparatus therefor |
| DE102004019014A1 (en) * | 2004-04-20 | 2005-11-24 | Eglass Platinum Technology Gmbh | Device for cooling thin flat glass comprises a water cooler, air cooling tubes, a heating/cooling body middle zone and a heating/cooling body edge region |
| CN2743346Y (en) * | 2004-06-25 | 2005-11-30 | 中国洛阳浮法玻璃集团有限责任公司 | Constant temperature control device of float glass production line cooling water |
| CN101067565A (en) * | 2006-12-11 | 2007-11-07 | 河南安彩高科股份有限公司 | Apparatus for measuring glass flow change and method thereof |
| CN202011832U (en) * | 2011-01-05 | 2011-10-19 | 山东金晶科技股份有限公司 | Tempering furnace outlet heating device |
| CN106810061A (en) * | 2015-11-29 | 2017-06-09 | 重庆留鑫玻璃钢制品厂 | A kind of quenching cooling system for reinforcing fiber glass |
-
2018
- 2018-11-14 CN CN201811354794.6A patent/CN109626804A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11157859A (en) * | 1997-11-25 | 1999-06-15 | Noritake Co Ltd | Cooling method of glass panel and apparatus therefor |
| DE102004019014A1 (en) * | 2004-04-20 | 2005-11-24 | Eglass Platinum Technology Gmbh | Device for cooling thin flat glass comprises a water cooler, air cooling tubes, a heating/cooling body middle zone and a heating/cooling body edge region |
| CN2743346Y (en) * | 2004-06-25 | 2005-11-30 | 中国洛阳浮法玻璃集团有限责任公司 | Constant temperature control device of float glass production line cooling water |
| CN101067565A (en) * | 2006-12-11 | 2007-11-07 | 河南安彩高科股份有限公司 | Apparatus for measuring glass flow change and method thereof |
| CN202011832U (en) * | 2011-01-05 | 2011-10-19 | 山东金晶科技股份有限公司 | Tempering furnace outlet heating device |
| CN106810061A (en) * | 2015-11-29 | 2017-06-09 | 重庆留鑫玻璃钢制品厂 | A kind of quenching cooling system for reinforcing fiber glass |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791229A (en) * | 2022-03-30 | 2022-07-26 | 彩虹显示器件股份有限公司 | System and method for detecting inflow airflow at fire hole of glass forming annealing furnace |
| CN114791229B (en) * | 2022-03-30 | 2024-05-14 | 彩虹显示器件股份有限公司 | System and method for detecting inflow air flow of furnace mouth of glass forming annealing furnace |
| CN115536255A (en) * | 2022-09-21 | 2022-12-30 | 华能新能源股份有限公司 | Continuous tunnel furnace for glass substrates |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200914 Address after: 050035 No. 9, the Yellow River Avenue, hi tech Zone, Hebei, Shijiazhuang Applicant after: DONGXU OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Address before: The 100075 Beijing Seahawks Fengtai District Science City Road No. 9 Building No. 2 room 266 (Park) Applicant before: TUNGHSU TECHNOLOGY GROUP Co.,Ltd. Applicant before: TUNGHSU GROUP Co.,Ltd. |
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Application publication date: 20190416 |
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