CN103951272A - Device for producing coated glass on floating method line - Google Patents
Device for producing coated glass on floating method line Download PDFInfo
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- CN103951272A CN103951272A CN201410194864.1A CN201410194864A CN103951272A CN 103951272 A CN103951272 A CN 103951272A CN 201410194864 A CN201410194864 A CN 201410194864A CN 103951272 A CN103951272 A CN 103951272A
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- annealing furnace
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- strip hole
- laser
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Abstract
The invention discloses a device for producing transparent conductive coated glass on a floating method line. The device comprises an annealing kiln (40) and a coating device (10) arranged in the annealing kiln (40), wherein the annealing kiln is further internally provided with a laser device for performing photoinduced dissociation on a precursor gas output from the coating device; the laser device comprises a lifting table (21) arranged on one side of the annealing kiln; a laser (22) and a corresponding mask plate (23) are arranged on the lifting table; an incident window (24) and an emergent window (25) which are corresponding to the mask plate are respectively arranged on two sides of the annealing kiln; a laser beam (27) from the laser to the annealing kiln is positioned between the bottom of the coating device and a glass plate (41) in the annealing kiln; a laser power meter (26) corresponding to the emergent window is arranged on the other side of the annealing kiln. The device adopts laser to promote chemical gas phase reaction, can be used for reducing the temperature of coating reaction and has beneficial effects in improving the coating quality, improving the precursor gas utilization rate, reducing the energy consumption of a tin tank and the consumption of a tin liquid, lowering the manufacturing cost of the coating device and alleviating the operation difficulty.
Description
Technical field
The present invention relates to glass manufacturing apparatus, particularly a kind of device of producing coated glass on float glass line.
Background technology
Existing on-line coating film of float glass device, is that the precursor gas that contains formation film element is led to hot glass surface, utilizes chemical vapour deposition reaction, at the equipment of glass surface film forming.Must could there is chemical gas phase reaction by the high temperature of glass ribbon in the precursor gas of this plated film device output, so plated film device must be arranged on the high-temperature zone of float glass line, normally in molten tin bath or annealing furnace front end, therefore bring following problem: the disturbance to molten tin bath is large, cause molten tin bath operating mode unstable, energy consumption increases, and tin liquor loss is serious; Plated film district high temperature can make the precursor gas in large volume be heated reaction, and not only energy consumption is very large, and precursor gas waste is serious, and utilization ratio is low generally lower than 15%; Plated film district temperature is higher than the softening temperature of glass, and film easily produces defect; Plated film district temperature is too high, to the material of plated film device, distortion, cooling, anticorrosion etc. all have high requirement, makes that plated film device manufacture difficulty is large, with high costs, complicated operation.
Summary of the invention
The object of the invention is to overcome the shortcoming of existing on-line coating film of float glass, a kind of device of producing coated glass on float glass line is provided.
Object of the present invention is achieved through the following technical solutions:
On float glass line, produce a device for transparent conducting film glass, comprise annealing furnace and be arranged on the plated film device in annealing furnace, it is characterized in that: in annealing furnace, be also provided with the laser aid of the precursor gas photodissociation that makes the output of plated film device, laser aid comprises:
Be arranged at the lifting table of annealing furnace one side, lifting table is provided with laser apparatus and corresponding mask, in the both sides of annealing furnace, be respectively equipped with the incidence window corresponding with mask and outgoing window, between the sheet glass of the laser beam that laser apparatus is injected annealing furnace in plated film device bottom and annealing furnace, annealing furnace opposite side is provided with the laser power meter corresponding with outgoing window.
Annealing furnace both sides are respectively equipped with a nitrogen nozzle, and each nitrogen nozzle matches with corresponding incidence window or outgoing window respectively.
On the basis of technique scheme, can there is following further technical scheme:
Described plated film device comprises:
A, a pair of hanging beam, it is connected in the top of annealing furnace, between two hanging beams, connect top board, top board mid-way is provided with precursor gas strip hole, precursor gas strip hole both sides are arranged with respectively gas recovery strip hole, the outer rectangular ring strip hole that is arranged with of precursor gas strip hole and gas recovery strip hole;
Below b, top board, connect a casing and stretch in annealing furnace, on casing, be respectively equipped with precursor gas passage, gas recovery passage and shielding gas passage, they respectively with precursor gas strip hole, gas recovery strip hole and the corresponding UNICOM of rectangle strip hole;
On c, top board, mid-way is provided with a precursor gas transfer lime; the both sides of precursor gas transfer lime are arranged with respectively gas recovery pipe; precursor gas transfer lime and gas recovery pipe are arranged with the shielding gas transfer lime of rectangular ring outward, and described precursor gas transfer lime, gas recovery pipe and shielding gas transfer lime are connected with corresponding precursor gas strip hole, gas recovery strip hole and rectangle strip hole respectively.
In plated film device, in precursor gas passage both sides, be provided with respectively cooling chamber, cooling chamber connects heat-eliminating medium oil circulating pipe.
On annealing furnace, be provided with plated film measuring and control device, it comprises the set temperature monitoring infrared probe being arranged in annealing furnace top shell, the pressure monitoring sensor arranging on coating film area annealing furnace top shell medullary ray, two well heaters hanging on the top cross section in the annealing furnace before plated film district.
Plated film device of the present invention is to utilize a pair of hanging beam to arrange across glass ribbon top, and length is identical with glass ribbon width, ventilates cooling in hanging beam rectangular beam body;
Above-mentioned precursor gas passage arranged outside cooling chamber, to meet the required technological temperature requirement of precursor gas, cooling chamber side connects heat-eliminating medium oil circulating pipe;
Wherein the energy of the laser photon of laser aid output should, higher than the bond energy of precursor gas molecules, can effectively strike off the molecular linkage of precursor gas under low-temperature condition; Mask can accurately limit laser beam horizontal direction lower limits, lifting table can fine adjustment laser beam lower boundary and the distance of glass surface, mask and lifting table are used in conjunction with, can make gas-phase reaction as far as possible carrying out near glass surface, avoid again the damage of laser to film and glass surface; Incident and outgoing window are separately positioned on the sidewall of float glass process annealing furnace both sides, are furnished with nitrogen nozzle, have cooling window and prevent that reactant is deposited on the effect on window; Laser power meter is put over against outgoing window peripheral hardware, has the effect of Laser Measurement power and absorbing laser;
In measuring and control device of the present invention, temperature monitoring infrared probe is aimed at the glass ribbon under it, monitor respectively the temperature of glass ribbon middle part and limit portion, pressure monitoring sensor is for monitoring the pressure in annealing furnace, the well heater of top hanging, on annealing furnace cross section, can heat the limit portion of glass ribbon, makes glass ribbon transverse temperature even, on-line measuring device is located at coating film area downstream, and its feedback information is for the production of adjustment.
During work, in the cooling chamber in plated film device precursor gas passage outside, pass into heat-eliminating medium oil, this plated film device is positioned over to the glass ribbon top of 480 ~ 380 ℃ of float glass production line annealing kilns; For the character of precursor gas, select suitable laser apparatus, be arranged on the position of annealing furnace outside, corresponding plated film device; By TT&C system, monitor the temperature and pressure in glass ribbon and annealing furnace, utilize well heater to add thermal compensation to glass band edge portion temperature, make glass ribbon transverse temperature even, when temperature and pressure meets plated film condition, start laser apparatus, adjust laser intensity, utilize mask accurately to limit laser beam horizontal direction lower limits, make laser beam in the parallel incident of a little higher than glass surface, adjust lifting table height and control laser beam lower limits apart from the distance of glass ribbon; After all are normal; by precursor gas passage, precursor gas is passed on Float Glass Surface; precursor gas is by the laser radiation generation gas-phase reaction of dissociating; in glass surface deposition film forming; reaction end gas is discharged from the gas recovery passage of both sides, reaction zone; shielding gas passes into from shielding gas passage simultaneously; by isolation mutually between reaction zone and annealing furnace; make reaction zone form the environment of Yi Ge partial closure; make plated film reaction not disturbed by outside atmosphere, in production, according to the feedback of thickness on-line measuring device, produce adjustment.
The present invention also can, by increasing the quantity of plated film device and laser apparatus, realize the online production of MULTILAYER COMPOSITE film glass.
advantage of the present invention
Device of the present invention is owing to being provided with laser apparatus, utilize the generation of the Laser Driven chemical gas phase reaction that laser apparatus sends, effectively reduce the temperature of plated film reaction, make the plated film device of this device can avoid molten tin bath, effectively stablized molten tin bath operating mode, be conducive to improve glass ware forming quality, reduced energy consumption and the tin liquor loss of molten tin bath simultaneously;
The plated film device compact construction arranging, simple, can guarantee precursor gas stable pass into, discharge that reaction end gas is stable, with protection gas, guarantee isolation mutually between plated film district and annealing furnace, make plated film reaction not disturbed by outside atmosphere, this device is arranged on plated film device in annealing furnace simultaneously, to the material of plated film device, distortion, cooling, anticorrosion etc. require corresponding reduction, plated film device cost of manufacture and operation easier are reduced greatly;
The TT&C system arranging makes the temperature of plated film district glass ribbon controlled, adjustable, can guarantee stability and the homogeneity of coating film area temperature, pressure;
Utilize device of the present invention on float glass line, to produce multiple coating films glass, be conducive to improve film quality, improve precursor gas utilization ratio, greatly reduce coating cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Plated film device structural representation in Fig. 2 the present invention;
Fig. 3 is the vertical view of the top board 11 in Fig. 1;
Fig. 4 is the upward view of the base plate 12 in Fig. 2;
Fig. 5 is the A-A cross-section illustration intention of Fig. 1;
Fig. 6 is the B-B cross-section illustration intention of Fig. 1.
Embodiment
Embodiment mono-:
As shown in Fig. 1, Fig. 3, Fig. 5 and Fig. 6, a kind of device of producing transparent conducting film glass on float glass line provided by the invention, is included in annealing furnace 40 laser aid, plated film device 10 and the plated film measuring and control device that also arrange, below describes in detail respectively.
1, laser aid:
As shown in Figure 1, shown in Figure 5, laser aid comprises the lifting table 21 that is arranged at annealing furnace 40 1 sides, lifting table 21 is provided with laser apparatus 22 and corresponding mask 23, in the both sides of annealing furnace 40, be respectively equipped with the incidence window corresponding with mask 23 24 and outgoing window 25, between the sheet glass 41 of the laser beam 27 that laser apparatus 22 is injected annealing furnace in plated film device bottom and annealing furnace, annealing furnace opposite side is provided with the laser power meter corresponding with outgoing window 25 26.
Annealing furnace both sides are respectively equipped with a nitrogen nozzle 28, and each nitrogen nozzle 28 matches with corresponding incidence window or outgoing window respectively.
The energy of the laser photon of laser apparatus 22 outputs should be higher than the bond energy of precursor gas molecules, can under low-temperature condition, effectively strike off the molecular linkage of precursor gas, mask 23 can accurately limit laser beam 27 horizontal direction boundaries, lifting table 21 can fine adjustment laser beam 27 lower boundaries and the distance on carrying roller 42 upper glass band 41 surfaces, mask and lifting table are used in conjunction with, can make gas-phase reaction near glass surface, carry out as far as possible, avoid again the damage of laser to film and glass surface, incident and outgoing window 24, 25 are separately positioned on float glass process annealing furnace 40 both sides sidewalls, is furnished with nitrogen nozzle 28, guarantee cooling window and prevent that reactant is deposited on window, laser power meter 26 is over against the outer setting of outgoing window 25, the function with Laser Measurement power and absorbing laser.
2, plated film device 10 comprises:
A, as shown in Figure 1, a pair of hanging beam 18, it is connected in the top of annealing furnace, connects top board 11 between two hanging beams.As shown in Figure 3, top board 11 mid-ways are provided with precursor gas strip hole 1, and precursor gas strip hole both sides are arranged with respectively gas recovery strip hole 2, the outer rectangular ring strip hole 3 that is arranged with of precursor gas strip hole 1 and gas recovery strip hole 2;
B, in conjunction with shown in Fig. 1 and Fig. 3, top board 11 connects a casing 10a below and stretches in annealing furnace, on casing 10a, be respectively equipped with precursor gas passage 7, gas recovery passage 8 and shielding gas passage 9, they respectively with precursor gas strip hole 1, gas recovery strip hole 2 and the corresponding UNICOM of rectangle strip hole 3;
C, as shown in Figure 1; on top board 11, mid-way is provided with a precursor gas transfer lime 14; the both sides of precursor gas transfer lime 14 are arranged with respectively gas recovery pipe 15; precursor gas transfer lime 14 and the outer shielding gas transfer lime 16 that is arranged with rectangular ring of gas recovery pipe 15, described precursor gas transfer lime 14, gas recovery pipe 15 and shielding gas transfer lime 16 are connected with corresponding precursor gas strip hole 1, gas recovery strip hole 2 and rectangle strip hole 3 respectively.
3, plated film measuring and control device:
Described measuring and control device, as Fig. 1, shown in Fig. 6, be included on coating film area annealing furnace top shell cross section and set up 3 temperature monitoring infrared probes 31 separately, every alignment probe glass ribbon 41 under it, monitor respectively the temperature of glass ribbon middle part and limit portion, on coating film area annealing furnace top shell medullary ray, a pressure monitoring sensor 32 is set, for monitoring the pressure in annealing furnace 40, on top cross section in annealing furnace before plated film district, hang respectively 2 well heaters 33, limit portion temperature to glass ribbon adds thermal compensation, make glass ribbon transverse temperature even, and thickness on-line measuring device (not marking in figure) is set in coating film area downstream, its feedback information is for the production of adjustment.
Embodiment bis-:
As shown in Figure 2, Figure 3 and Figure 4, a kind of device of producing transparent conducting film glass on float glass line of the present invention, plated film device 10 wherein comprises:
A pair of hanging beam 18, one be installed between this hanging beam by top board 11, the plated film device body that base plate 12 and wallboard 13 surround, the rectangular beam that hanging beam 18 is comprised of steel plate butt welding, logical cooling air in beam body, two hanging beams are symmetrically arranged, in annealing furnace 40 top shells, open rectangular opening, put into plated film device 10, utilize this hanging beam 18 that plated film device 10 is hung in top shell, top board 11 is rectangle stainless steel plates that size is identical with base plate 12, upper and lower corresponding layout, as Fig. 3, shown in Fig. 4, the longitudinal cenlerline of take respectively on top board 11 and base plate 12 arranges the precursor gas strip hole 1 of a slit as center line, 4, the gas recovery strip hole 2 of two parallel slits is set respectively in these slit both sides, 5, the rectangular ring strip hole 3 of one rectangular slot is set around above-mentioned three slit surroundings, 6, by (1 pair 4 of slit corresponding on above-mentioned two boards, 2 pairs 5, 3 pairs 6) between with stainless steel wallboard 13, connect sealing, surround an induction trunk 7, two exhaust-ducts 8 and a shielding gas passage 9, wherein induction trunk 7 is positioned on plated film device longitudinal cenlerline, exhaust-duct 8 is respectively in the both sides of induction trunk 7, shielding gas passage 9 is looped around above-mentioned three gas passage surroundings, in induction trunk 7 outsides, be also provided with cooling chamber 17, induction trunk 7 tops connect precursor gas delivery profile pipe 14, the top of exhaust-duct 8 connects exhaust emission tube 15, the top of shielding gas passage 9 connects shielding gas delivery profile pipe 16, the side of cooling chamber 17 connects heat-eliminating medium oil circuit piping (not marking in figure).
Claims (5)
1. a device of producing transparent conducting film glass on float glass line, comprise annealing furnace (40) and be arranged on the plated film device (10) in annealing furnace, it is characterized in that: in annealing furnace, be also provided with the laser aid of the precursor gas photodissociation that makes the discharge of plated film device, laser aid comprises:
Be arranged at the lifting table (21) of annealing furnace one side, lifting table (21) is provided with laser apparatus (22) and corresponding mask (23), in the both sides of annealing furnace (40), be respectively equipped with incidence window (24) and the outgoing window (25) corresponding with mask (23), the laser beam (27) that laser apparatus (22) is injected annealing furnace is arranged between plated film device (10) bottom and the sheet glass (41) of annealing furnace, and annealing furnace opposite side is provided with the laser power meter (26) corresponding with outgoing window (25).
2. a kind of device of producing transparent conducting film glass on float glass line according to claim 1, it is characterized in that: annealing furnace both sides are respectively equipped with a nitrogen nozzle (28), each nitrogen nozzle (28) matches with corresponding incidence window or outgoing window respectively.
3. a kind of device of producing transparent conducting film glass on float glass line according to claim 1 and 2, is characterized in that described plated film device (10) comprising:
A, a pair of hanging beam (18), it is connected in the top of annealing furnace, between two hanging beams, connect top board (11), top board (11) mid-way is provided with precursor gas strip hole (1), precursor gas strip hole both sides are arranged with respectively gas recovery strip hole (2), the outer rectangular ring strip hole (3) that is arranged with of precursor gas strip hole (1) and gas recovery strip hole (2);
B, top board (11) connect a casing (10a) below and stretch in annealing furnace, on casing (10a), be respectively equipped with precursor gas passage (7), gas recovery passage (8) and shielding gas passage (9), they respectively with precursor gas strip hole (1), gas recovery strip hole (2) and the corresponding UNICOM of rectangle strip hole (3);
C, the upper mid-way of top board (11) are provided with a precursor gas transfer lime (14); the both sides of precursor gas transfer lime (14) are arranged with respectively gas recovery pipe (15); the outer shielding gas transfer lime (16) that is arranged with rectangular ring of precursor gas transfer lime (14) and gas recovery pipe (15), described precursor gas transfer lime (14), gas recovery pipe (15) and shielding gas transfer lime (16) are connected with corresponding precursor gas strip hole (1), gas recovery strip hole (2) and rectangle strip hole (3) respectively.
4. a kind of device of producing transparent conducting film glass on float glass line according to claim 3, is characterized in that, in precursor gas passage (7) both sides, is provided with respectively cooling chamber (17), and cooling chamber connects heat-eliminating medium oil circulating pipe.
5. a kind of device of producing transparent conducting film glass on float glass line according to claim 1 and 2, it is characterized in that, annealing furnace is provided with plated film measuring and control device, it comprises the set temperature monitoring infrared probe (31) being arranged in annealing furnace top shell, the pressure monitoring sensor (32) arranging on coating film area annealing furnace top shell medullary ray, 2 well heaters (33) of hanging on the top cross section in the annealing furnace before plated film district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410194864.1A CN103951272B (en) | 2014-05-10 | 2014-05-10 | A kind of device producing coated glass on float glass line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410194864.1A CN103951272B (en) | 2014-05-10 | 2014-05-10 | A kind of device producing coated glass on float glass line |
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| Publication Number | Publication Date |
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| CN103951272A true CN103951272A (en) | 2014-07-30 |
| CN103951272B CN103951272B (en) | 2016-04-13 |
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| CN201410194864.1A Active CN103951272B (en) | 2014-05-10 | 2014-05-10 | A kind of device producing coated glass on float glass line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108395113A (en) * | 2018-05-08 | 2018-08-14 | 东台中玻特种玻璃有限公司 | Online float glass process coated glass transition roller table SO2Protect gas system and operating method |
| CN108409112A (en) * | 2018-05-08 | 2018-08-17 | 东台中玻特种玻璃有限公司 | Online float glass process coated glass annealing kiln SO2Protect gas system and operating method |
| CN109250923A (en) * | 2018-11-29 | 2019-01-22 | 中建材蚌埠玻璃工业设计研究院有限公司 | A kind of molten tin bath coating apparatus |
| CN114988675A (en) * | 2022-05-27 | 2022-09-02 | 中国洛阳浮法玻璃集团有限责任公司 | Control device and control method for flat glass warping defect |
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Patent Citations (5)
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| CN1792926A (en) * | 2005-11-08 | 2006-06-28 | 浙江大学蓝星新材料技术有限公司 | Apparatus for on-line coating film of float glass |
| CN101575695A (en) * | 2009-06-05 | 2009-11-11 | 北京工业大学 | Laser coating device and method based on transparent material |
| US20130071566A1 (en) * | 2011-09-19 | 2013-03-21 | Pilkington Group Limited | Process for forming a silica coating on a glass substrate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108395113A (en) * | 2018-05-08 | 2018-08-14 | 东台中玻特种玻璃有限公司 | Online float glass process coated glass transition roller table SO2Protect gas system and operating method |
| CN108409112A (en) * | 2018-05-08 | 2018-08-17 | 东台中玻特种玻璃有限公司 | Online float glass process coated glass annealing kiln SO2Protect gas system and operating method |
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| CN114988675A (en) * | 2022-05-27 | 2022-09-02 | 中国洛阳浮法玻璃集团有限责任公司 | Control device and control method for flat glass warping defect |
| CN114988675B (en) * | 2022-05-27 | 2023-11-07 | 中国洛阳浮法玻璃集团有限责任公司 | Control device and control method for plate glass warping defect |
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