CN210012764U - Dry method laminated glass production equipment - Google Patents
Dry method laminated glass production equipment Download PDFInfo
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- CN210012764U CN210012764U CN201920705356.3U CN201920705356U CN210012764U CN 210012764 U CN210012764 U CN 210012764U CN 201920705356 U CN201920705356 U CN 201920705356U CN 210012764 U CN210012764 U CN 210012764U
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Abstract
The utility model relates to a dry method sandwich glass production device, which comprises a rolling furnace, an exhaust compression roller, a sealing edge compensation furnace and a sealing edge compression roller which are arranged in sequence; the rolling furnace comprises a rolling furnace body and rolling heating pipes positioned in the rolling furnace body, wherein the rolling heating pipes are medium wave radiant tubes; the edge sealing compensation furnace comprises a compensation furnace body and a compensation heating pipe positioned in the compensation furnace body; the compensation heating pipe is a short wave radiant tube. The technical scheme of the utility model the problem that the film was suppressed breath is solved, realize the roll-in technology production laminated glass, and do not receive the influence of glass thickness and glass kind, avoid a great deal of not enough of evacuation production.
Description
Technical Field
The utility model belongs to the technical field of laminated glass deep-processing and specifically relates to a dry process laminated glass production facility is related to.
Background
In the prior art, a common laminated glass intermediate film is a PVB or SGP film, and because glass is heated by radiation in a rolling furnace, the temperature rise speed of the edge part is higher than that of the middle part, the film is bonded at the tail part in advance, the bonding can be performed with glass or can be performed by bonding two layers of films, air is sealed in the laminated glass after bonding, and excessive air is difficult to permeate into the film in an autoclave stage, so that bubbles of the laminated glass are generated finally. Particularly, because the film layer has certain absorptivity, the temperature of the glass rises quickly, and the glass and the film are adhered in advance. The film is sensitive to temperature, and particularly for thick plates and coated glass, the edges are easy to soften and bond in advance, so that air is blocked at the tail part, and bubbles of the laminated glass are formed and are scrapped.
The vacuum degassing production process for solving the problem in the industry is a group of modes, namely, glass is put into a vacuum bag and is continuously vacuumized at a high-temperature and high-pressure state, so that the effect of exhausting is achieved. But the production efficiency and the production cost are greatly increased, and the wide-range popularization is limited.
Disclosure of Invention
The utility model provides a dry process laminated glass production facility and laminated glass's production method solves the problem that the film was suppressed breath, realizes the roll-in technology production laminated glass, and does not receive the influence of glass thickness and glass kind, avoids a great deal of not enough of evacuation production.
For solving the technical problem in the background art, the utility model discloses a technical scheme be:
a dry method sandwich glass production device comprises a rolling furnace, an exhaust compression roller, an edge sealing compensation furnace and an edge sealing compression roller which are arranged in sequence;
the rolling furnace comprises a rolling furnace body and rolling heating pipes positioned in the rolling furnace body, the rolling heating pipes are medium-wave radiant tubes, the radiant wavelength is more than or equal to 2300 nanometers, and the radiant tube power can refer to 7.5 kilowatt-hour of the conventional rolling furnace (a high-power radiant tube can also be adopted, so that the number of radiant tubes is reduced); the distance between two adjacent rolling heating pipes is 200-400mm, the distance between the rolling heating pipes and the surface of the glass is 50-80mm, the radiation uniformity problem is mainly considered in the setting of the distance, the local suffocation caused by the non-uniform temperature of the glass is avoided, meanwhile, the phenomenon that the glass cannot diffuse too much in radiation is considered, and the tail sealing edge is avoided.
The edge sealing compensation furnace comprises a compensation furnace body and a compensation heating pipe positioned in the compensation furnace body; the length of the compensation furnace body in the advancing direction of the laminated glass is 400mm, the compensation heating pipe is a short-wave radiation pipe, and the radiation wavelength of the short-wave radiation pipe is 1800-2000 nm; the power of the short wave radiant tube is 30 kilowatts (SW type heating tube of Hello optical energy company can be selected), the heating mode uses short wave heating to quickly obtain the temperature increase of the glass, and the edge sealing and heating of the film are completed by conducting heat (with the highest efficiency).
The compensating heating pipes are arranged in an upper group and a lower group, and the distance between every two adjacent compensating heating pipes is 20 mm. The distance from the compensation heating pipe to the glass surface is 50-80mm, the radiation uniformity problem is mainly considered due to the arrangement of the distance, local suffocation caused by non-uniform glass temperature is avoided, meanwhile, the phenomenon that glass radiation cannot diffuse too much is considered, and tail sealing edge is avoided.
The edge sealing compensation furnace can heat the glass from 40 ℃ to 70 ℃ within 5 seconds so as to realize the quick edge sealing of the tail part of the laminated glass.
The rolling heating pipe and the compensating heating pipe are both provided with back radiation back plates so as to avoid energy waste and realize efficient glass temperature rise.
Further, a length measuring sensor is arranged behind the rolling furnace in the advancing direction of the laminated glass, the length measuring of the laminated glass is completed by the length measuring sensor, the heating pipes 30-70mm away from the tail part of the laminated glass are sequentially closed after the laminated glass enters the rolling furnace, and no intermediate glass directly radiates at the position 30-70mm away from the tail part of the laminated glass.
Further, a seal edge induction switch is arranged between the exhaust pressing roller and the seal edge compensation furnace, the seal edge induction switch calculates the length of the laminated glass according to the induced running speed and time of the glass, when the laminated glass runs on the seal edge compensation furnace to a position 80-100mm away from the tail part of the laminated glass, the seal edge compensation furnace is opened, and the seal edge compensation furnace is closed after the laminated glass completely passes through the seal edge compensation furnace.
The utility model also provides a dry method laminated glass production method, which comprises the following main steps:
(1) the length of the laminated glass is measured by a length measuring sensor and the laminated glass enters a rolling furnace;
(2) after the laminated glass enters the rolling furnace, medium wave radiant tubes are sequentially closed at the positions 30-70mm away from the tail part of the laminated glass, and the fact that no intermediate glass directly radiates at the position 30-70mm away from the tail part is guaranteed;
(3) after the roller pressing furnace is heated, the laminated glass enters an exhaust pressing roller to exhaust the gas in the laminated glass;
(4) after the laminated glass is exhausted by the exhaust pressing roller, the edge sealing induction switch induces the length of the laminated glass, and when 80-100mm of the tail of the laminated glass enters the compensation edge sealing furnace, the short wave radiant tube is opened;
(5) enabling the laminated glass to enter a sealing roller to realize tail sealing;
(6) and (4) putting the pre-pressed laminated glass into a high-pressure kettle to finish high-temperature and high-pressure elimination of residual gas, thereby realizing the effect of full transparency of the laminated glass.
The utility model discloses the beneficial effect who creates does:
(1) the existing production equipment for the laminated glass is completed by matching a rolling furnace and an exhaust compression roller, the corresponding production processes are rolling heating and high-pressure exhaust, the production equipment for the laminated glass comprises the rolling furnace, the exhaust compression roller, an edge sealing compensation furnace and an edge sealing compression roller, and the corresponding production processes are rolling heating, high-pressure exhaust, edge sealing reheating and edge sealing re-exhaust; the prior art adopts one compression roller, and the scheme adopts two compression rollers, so that the problem of limitation of heating, exhausting and edge sealing speed of the one roller is solved;
(2) in the prior art, the distance between adjacent medium wave radiant tubes in the rolling furnace is 400mm, the distance between the medium wave radiant tubes and a glass surface is 150mm, the distance between the adjacent medium wave radiant tubes in the rolling furnace is 200mm, and the distance between the medium wave radiant tubes and the glass surface is 50-80mm (when a laminated glass substrate is thin plate glass with the thickness of less than or equal to 6mm, the distance between the medium wave radiant tubes and the glass surface is 50mm, and when the laminated glass substrate is thick plate glass with the thickness of more than 6mm, the distance between the medium wave radiant tubes and the glass target is 80 mm); the density of the medium wave radiant tube is increased by 1 time, the distance between the medium wave radiant tube and the glass surface is shortened, the medium wave radiant tube quickly heats the glass, the utilization rate of heat conduction of the medium wave radiant tube is increased, and the sandwich glass is quickly heated;
(3) the back surfaces of the heating pipes of the rolling furnace and the edge sealing compensation furnace are provided with back radiation back plates, so that energy loss is reduced, and rapid heating of the laminated glass is facilitated;
(4) the consistent thought in the industry at present is that the film absorbs high radiation wavelength, and the glass absorbs low radiation wavelength, so that most heating furnaces select medium wave radiation, but the loss of efficiency is large, and the energy consumption is large; according to the scheme, the short-wave radiation tube is introduced into the edge sealing compensation furnace, the scheme that the temperature of a film is raised mainly by medium-wave radiation is abandoned, the short-wave radiation with high use efficiency directly acts on the glass and the film, and the edge sealing compensation furnace can raise the temperature of the laminated glass from 40 ℃ to 70 ℃ within 5 seconds, so that efficient heat conduction can be realized.
Description of the drawings:
FIG. 1 is a schematic structural view in a top view of a dry-process laminated glass production apparatus;
FIG. 2 is a schematic view of a schematic structure of a dry-process laminated glass production apparatus in a front view direction;
in the figure:
1. the device comprises a rolling furnace body, 2 medium wave radiant tubes, 3 exhaust compression rollers, 4 compensation furnace bodies, 5 short wave radiant tubes, 6 anti-radiation back plates, 7 edge sealing compression rollers, 8 transmission roller tables, 9 length counting inductors, 10 edge sealing induction switches.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict, and the present invention will be described in detail with reference to the embodiments.
EXAMPLE one (Prior Art embodiment)
A glass substrate: 12mm float toughened glass (12G)
Glass size: 2.4 x 3.6 m
Film making: 0.76mm PVB intermediate film (two layers)
Obtaining a product structure: 12G/1.52/12G
The roll-in furnace structure: and the rolling furnace (medium glass radiant furnace) is provided with a medium wave radiant tube with a distance of 150mm from the glass surface.
Setting parameters of the conventional production line:
(1) setting parameters of the roller hearth furnace:
the running speed of the press roll is as follows: 1.0 m/min;
pressure: 6.0 bar;
the distance between the press rolls is as follows: 24 mm;
furnace temperature # 1: 250 ℃, furnace temperature # 2: at 550 ℃.
(2) Autoclave parameter setting: raising the temperature and the pressure for 2 hours, keeping the target temperature at 130 ℃ and the pressure at 1.2Mpa for one hour, reducing the temperature and keeping the pressure for 2 hours, exhausting the gas when the temperature reaches below 40 ℃, and taking the gas out of the kettle.
The processing flow comprises the following steps: glass loading → deionized water cleaning → air drying → two layers of films are paved → a rolling furnace is preheated and heated → high pressure kettle is exhausted → rubber tapping inspection → finished products are obtained, and 10% of the tail parts of the products have air bubbles to be scrapped.
Example two (prior art solution example)
A glass substrate: 12mm float toughened glass (12G)
Glass size: 2.1 x 3.6 m
Film making: 0.76mmSGP Ionic type intermediate film (two layers)
Obtaining a product structure: 12G/1.52/12G
The roll-in furnace structure: and the rolling furnace (medium glass radiant furnace) is provided with a medium wave radiant tube with a distance of 150mm from the glass surface.
Setting parameters of the conventional production line:
(1) setting parameters of the roller hearth furnace:
the running speed of the press roll is as follows: 1.1 m/min
Pressure: 6.0bar
The distance between the press rolls is as follows: 24 mm.
Furnace temperature # 1: 200 ℃, furnace temperature # 2: at 500 ℃.
(2) Autoclave parameter setting: raising the temperature and the pressure for 2 hours, keeping the target temperature at 130 ℃ and the pressure at 1.2Mpa for two hours, reducing the temperature and keeping the pressure for 2 hours, exhausting the gas when the temperature reaches below 40 ℃, and taking the gas out of the kettle.
The processing flow comprises the following steps: glass loading → deionized water cleaning → air drying → two layers of films are paved → a rolling furnace is preheated and heated → high pressure kettle is exhausted → rubber tapping inspection → finished products are obtained, and 80% of the tail parts of the products are scrapped due to bubbles.
EXAMPLE III (embodiment of the present case)
A glass substrate: 12mm float toughened glass (12G)
Glass size: 2.4 x 3.6 m
Film making: 0.76mm PVB intermediate film (two layers)
Obtaining a product structure: 12G/1.52/12G
The roll-in furnace structure: and the rolling furnace (medium glass radiant furnace) is provided with a medium wave radiant tube with a distance of 80mm from the glass surface.
(1) Setting parameters of the roller hearth furnace:
the running speed of the press roll is as follows: 2.0 m/min;
pressure: 6.0 bar;
the distance between the press rolls is as follows: 24 mm.
Furnace temperature # 1: 350 ℃, 2# furnace temperature: 700 ℃;
the distance between two adjacent medium wave radiant tubes in the No. 1 furnace and the No. 2 furnace is 200 mm.
(2) Setting parameters of the edge sealing compensation furnace:
the distance between two adjacent short-wave radiant tubes in the edge sealing compensation furnace is 20 mm;
and (3) edge sealing compensation furnace temperature: at 900 ℃.
(3) Autoclave parameters: raising the temperature and the pressure for 2 hours, keeping the target temperature at 130 ℃ and the pressure at 1.2Mpa for one hour, reducing the temperature and keeping the pressure for 2 hours, exhausting the gas when the temperature reaches below 40 ℃, and taking the gas out of the kettle.
The processing flow comprises the following steps: glass loading → deionized water cleaning → air drying → two layers of films paving → roller furnace preheating → roller exhaust → edge sealing compensation → edge sealing roller press → autoclave exhaust → tapping inspection → finished product, and 0% of the tail of the product has bubble scrap.
Example four (the present case technical scheme example)
A glass substrate: 12mm float toughened glass (12G)
Glass size: 2.4 x 3.6 m
Film making: 0.76mmSGP Ionic type intermediate film (two layers)
Obtaining a product structure: 12G/1.52/12G
The roll-in furnace structure: and the rolling furnace (medium glass radiant furnace) is provided with a medium wave radiant tube with a distance of 80mm from the glass surface.
(1) Setting parameters of the roller hearth furnace:
the running speed of the press roll is as follows: 1.9 m/min
Pressure: 6.0bar
The distance between the press rolls is as follows: 24 mm.
Furnace temperature # 1: 350 ℃, 2# furnace temperature: 650 ℃;
the distance between two adjacent medium wave radiant tubes in the No. 1 furnace and the No. 2 furnace is 200 mm.
(2) Setting parameters of the edge sealing compensation furnace:
the distance between two adjacent short-wave radiant tubes in the edge sealing compensation furnace is 20 mm;
and (3) edge sealing compensation furnace temperature: at 900 ℃.
(3) Autoclave general parameters: raising the temperature and the pressure for 2 hours, keeping the target temperature at 130 ℃ and the pressure at 1.2Mpa for one hour, reducing the temperature and keeping the pressure for 2 hours, exhausting the gas when the temperature reaches below 40 ℃, and taking the gas out of the kettle.
The processing flow comprises the following steps: glass loading → deionized water cleaning → air drying → two layers of films paving → roller furnace preheating → roller exhaust → edge sealing compensation → edge sealing roller press → autoclave exhaust → tapping inspection → finished product, and 0% of the tail of the product has bubble scrap.
Example 5 (example of the present case)
Glass size: 2.4 x 3.6 m
Film making: 0.76mm PVB intermediate film (two layers)
Obtaining a product structure: 6G/1.52/6G
The roll-in furnace structure: and the rolling furnace (medium glass radiant furnace) is provided with a medium wave radiant tube with a distance of 50mm from the glass surface.
(1) Setting parameters of the roller hearth furnace:
the running speed of the press roll is as follows: 4 m/min
Pressure: 6.0 bar:
the distance between the press rolls is as follows: 12 mm.
Furnace temperature # 1: 350 ℃, 2# furnace temperature: 750 ℃;
the distance between two adjacent medium wave radiant tubes in the No. 1 furnace and the No. 2 furnace is 250 mm;
the temperature of the No. 3 furnace (edge sealing furnace) is 900 ℃. 3# furnace 100mm
(2) Setting parameters of the edge sealing compensation furnace:
the distance between two adjacent short-wave radiant tubes in the edge sealing compensation furnace is 20 mm;
and (3) edge sealing compensation furnace temperature: at 900 ℃.
(3) Autoclave general parameters: raising the temperature and the pressure for 2 hours, keeping the target temperature at 130 ℃ and the pressure at 1.2Mpa for one hour, reducing the temperature and keeping the pressure for 2 hours, exhausting the gas when the temperature reaches below 40 ℃, and taking the gas out of the kettle.
The processing flow comprises the following steps: glass loading → deionized water cleaning → air drying → two layers of films paving → roller furnace preheating → roller exhaust → edge sealing compensation → edge sealing roller press → autoclave exhaust → tapping inspection → finished product, and 0% of the tail of the product has bubble scrap.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (7)
1. The dry-method laminated glass production equipment is characterized by comprising a rolling furnace, an exhaust pressing roller, an edge sealing compensation furnace and an edge sealing pressing roller which are sequentially arranged;
the rolling furnace comprises a rolling furnace body and rolling heating pipes positioned in the rolling furnace body, wherein the rolling heating pipes are medium wave radiant tubes;
the edge sealing compensation furnace comprises a compensation furnace body and a compensation heating pipe positioned in the compensation furnace body; the compensation heating pipe is a short wave radiant tube.
2. The dry laminated glass production apparatus according to claim 1, wherein the distance between two adjacent compensating heating pipes is 10-30 mm.
3. The dry process laminated glass production apparatus according to claim 1, wherein the distance from the roll heating pipe to the glass surface is 50 to 80 mm.
4. The dry laminated glass production apparatus according to claim 1, wherein the distance from the compensation heating pipe to the surface of the glass is 50 to 80 mm.
5. The dry process laminated glass production apparatus according to claim 1, wherein the roller press furnace is provided with a length measuring sensor at a rear side of a proceeding direction of the laminated glass.
6. The dry process laminated glass manufacturing apparatus of claim 1, wherein an edge seal induction switch is disposed between the exhaust press rolls and the edge seal compensation furnace.
7. The dry process laminated glass production apparatus according to claim 1, wherein back portions of the rolled heating tube and the compensating heating tube are provided with back-radiation-reflecting plates.
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|---|---|---|---|
| CN201920705356.3U CN210012764U (en) | 2019-05-16 | 2019-05-16 | Dry method laminated glass production equipment |
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| CN201920705356.3U CN210012764U (en) | 2019-05-16 | 2019-05-16 | Dry method laminated glass production equipment |
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| CN210012764U true CN210012764U (en) | 2020-02-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054421A (en) * | 2019-05-16 | 2019-07-26 | 天津南玻节能玻璃有限公司 | A kind of production method of dry-method laminated glass production equipment and laminated glass |
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- 2019-05-16 CN CN201920705356.3U patent/CN210012764U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054421A (en) * | 2019-05-16 | 2019-07-26 | 天津南玻节能玻璃有限公司 | A kind of production method of dry-method laminated glass production equipment and laminated glass |
| CN110054421B (en) * | 2019-05-16 | 2024-04-16 | 天津南玻节能玻璃有限公司 | Dry method laminated glass production equipment and laminated glass production method |
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