CN103232151A - Glass production device and forming process method - Google Patents

Glass production device and forming process method Download PDF

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Publication number
CN103232151A
CN103232151A CN 201310161605 CN201310161605A CN103232151A CN 103232151 A CN103232151 A CN 103232151A CN 201310161605 CN201310161605 CN 201310161605 CN 201310161605 A CN201310161605 A CN 201310161605A CN 103232151 A CN103232151 A CN 103232151A
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glass
temperature
cooling work
production
cooling
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杨德宁
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/18—Stirring devices; Homogenisation
    • C03B5/183—Stirring devices; Homogenisation using thermal means, e.g. for creating convection currents
    • C03B5/185—Electric means
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B18/00—Shaping glass in contact with the surface of a liquid
    • C03B18/02—Forming sheets

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Glass Compositions (AREA)

Abstract

The invention discloses a glass production device and a forming process method. The glass production device comprises (1) a mixing device, (2) a melting device, (3) a cooling operating part device and (4) a forming device, wherein the mixing device is used for mixing glass raw materials; the melting device is used for melting mixed glass raw materials, and discharging air bubbles of a glass liquid; the cooling operating part device is used for homogenizing, clarifying and cooling the glass liquid, the middle lower layer of the cooling operating part device is provided with 2-100 electric heating devices and temperature measuring devices, and the distance between each electric heating device and each temperature measuring device ranges from 0.2 m to 6 m; electric heating devices and temperature measuring devices are installed in the range of 0.1 m to 1.5 m at the left corner or the right corner, close to the forming device, of the middle lower layer of the cooling operating part device; and the forming device is used for preparing the cooled glass liquid into a glass product.

Description

The production unit of glass and moulding technique
Technical field
The present invention relates to production equipment and the moulding technique of glass, can be higher than traditional mold temperature 10 for the manufacture of the recrystallization temperature of glass material character 3.0The high recrystallization temperature glasswork of handkerchief second, comprise for the manufacture of float flat glass goods, super-thin electronic TFT glasswork, high scratch resistance are drawn wear-resisting electronic glass goods, lattice method sheet glass goods, overflow downdraw sheet glass goods, rolling process sheet glass goods, fiberglass products, trombone slide glasswork, the pressed glass goods, the blow-molded glass goods.
Background technology
1, in the prior art, there are the defective of some glass production line process unit technical schemes and defective and the technology prejudice of moulding process system, caused some technical barriers, as, prior art is thought: the recrystallization temperature of glass is higher than traditional mold temperature 10 3Handkerchief owing to easily produce the glass devitrification, can not be produced at production line during second; So conventional glasswork production line, especially glass metal homogenizing, the clarification steps of the melting appartus of float glass process production line and cooling work part device, only can upper layer part be installed by the device of spray gun warming apparatus and mensuration temperature, never can the electricity heating device be installed and measure temperature device in the middle lower floor of cooling work part device.
2, for example prior art CN101357819A, it is a kind of noble metal stock path heating unit, establish indirect outside in the cooling zone and twine hot-plate or silk, it is for the heating that heats up again, thereby clarification again, most of this devices are to discharge bubble again for the temperature that raises in fact, rather than the real device for homogenizing and cooling.
3, because the glass material of prior art is difficult for crystallization, so: at conventional all glasswork production lines, especially float glass process production line, the middle lower floor of its cooling work part device does not all have installation to add gentle control mensuration temperature device accurately, and (conventional float glass process production line has only electric molten stove or is individually the melting appartus that adds the drawing amount, just in the middle and lower part of melting appartus glass metal the electricity heating device is installed; Also never can device that measure temperature be installed in the middle and lower part of glass metal; More never can install in the middle lower floor of cooling work part device and add gentle control mensuration temperature device accurately); And conventional all glasswork production lines, especially the upper strata glass metal in the many zones of float glass process production line reaches about the 150-250 degree with middle lower floor glass metal (middle lower floor refers to from the bottom the upwards glass metal zone that reaches 40% or 40% to 80% degree of depth of metering) temperature difference.
4, because the glass material of prior art is difficult for crystallization, so: at conventional glasswork production line, especially float glass process production line, never can enter the vertical 0.5m distance in horizontal exit of folder mouth of diversion trench of cooling work part device from the tin kiln in, glass metal transverse row be set show 2-10 electric heater unit and mensuration temperature device.
5, because the glass material of prior art is difficult for crystallization, so: the glass metal of prior art flows into the corresponding viscosity temperature of tin kiln and all is decided to be 10 3Handkerchief second; In the floating process technological regime of prior art, the equilibrium thickness that glass ribbon shakeouts all is decided to be 6.3mm or 6 to 7mm; In the relevant floating process system technology of prior art, all be decided to be the viscosity temperature that glass ribbon shakeouts and just be limited to 10 3.7Handkerchief second to 10 4.2Handkerchief second.
6, for most of ultrathin electronics float glass enterprise, producing thickness is the percent ripple quality instability of the ultrathin electronic-grade thin float glass of 0.5mm, can not be stabilized in 20mm is no more than 0.15 micron apart from percent ripple the level.
7, for all ultrathin float glass electronic glass enterprises, just always can not do 0.05mm to 0.3mm with the ultrathin electronics float glass of interior thickness at all.
8, point out to 12 row for 156 page 10 of the glass ware forming chapters and sections in " technology for making glass " book that China's chemical industry press 2006 publishes: " one of key of float glass process moulding is gauge control; when gravity and surface tension reach balance; be about 6.3mm at pulling force effect lower-glass thickness, be called equilibrium thickness.Production is during greater than the product of 6mm thickness ... add enrockment China ink limit ... anti-phase layout is drawn the limit phase ... produce Production is during less than the product of 6mm thickness ... utilize between the edge machine and edge machine and drawing machine between velocity contrast produce ...”
9, the 92nd page of 1 to 2 row of the float shaping technology chapters and sections in " float glass technology and equipment " book that China's chemical industry press published in 2005 pointed out: " glass floating process ... glass metal flows into the tin kiln ... corresponding viscosity is 10 3Handkerchief second.”
10, in " float glass operation question and answer " book that China's chemical industry press 2007 publishes in the 85th page 4 to 5 row point out: " glass ware forming shakeouts and must adapt to the leveling temperature range ... corresponding range of viscosities is 10 3.7Handkerchief second to 10 4.2Handkerchief second.”
Above traditional technical problem is present among the existing glass production, comprises ultrathin electronics float glass product.And above-mentioned technical barrier has restricted technical development.Between this, prior art has further improved necessity.
Summary of the invention
Because the defective of above-mentioned glass production line process unit technical scheme and the defective of moulding process system, especially the defective of float glass technology device technique scheme and moulding process system, the present invention has overcome above-mentioned technology prejudice, started the novel process device technique scheme of glass production wire system, the process unit technical scheme of the system of especially new float glass and the system technical scheme of moulding process, thereby solved the difficult problem of multiple technologies, and produced unforeseeable technique effect.
For solving the technical problem that prior art exists, the present invention constructs following technical proposals.
A kind of production unit of glass comprises: (1) mixing device, described mixing device are used for the hybrid glass raw material; (2) melting appartus, described melting appartus are used for the frit after melt-blended, and discharge the bubble of glass metal; (3) cooling work part device, described cooling work part device are used for glass metal is carried out homogenizing and clarification and cooling, and described cooling work part device is characterised in that: wherein lower floor is equipped with 2 to 100 phase mutual edge distances electricity heating device that is 0.2m to 6m and measures temperature device; (4) shaped device, be used for the glass metal of cooling is made glasswork;
Wherein, described middle lower floor refers to that cooling work portion glass metal cavity upwards measures 0 to 80% part from the bottom.
The production unit of described glass is characterized in that: electricity heating device and mensuration temperature device that it is 0.2m to 4m to 100 phase mutual edge distances that the middle lower floor of described cooling work part device is equipped with 6 to 100 or 20.
The production unit of described glass is characterized in that: the middle lower floor of cooling work part device by the range position in the 0.1m to 1.5m of the corner on the left side of shaped device direction or the right, the electricity heating device is installed and measures temperature device; The middle lower floor of described melting appartus is equipped with 2 the electricity heating device and the mensuration temperature devices that are 0.2m to 4m to 100 phase mutual edge distances;
Wherein, described middle lower floor refers to that melting appartus glass metal cavity upwards measures 0 to 80% part from the bottom.
The production unit of described glass is characterized in that: described cooling work part device has following several selection:
The cooling work part device of selection 1, sheet glass production usefulness;
Select 2, the cooling work portion of glass fibre production usefulness or cool off big flow passage device;
Cooling work portion or the big duct device of cooling flow of selection 3, trombone slide glasswork production usefulness;
The cooling work portion that select 4, the pressed glass production of articles is used or cool off big flow passage device;
The cooling work portion that select 5, the blow-molded glass production of articles is used or cool off big flow passage device;
The production unit of described glass is characterized in that: described shaped device has following several selection:
The tin kiln float glass process shaped device of selection 1, float flat glass production usefulness;
The lattice method shaped device of selection 2, lattice method sheet glass production usefulness;
The overflow down draw shaped device of selection 3, overflow downdraw sheet glass production usefulness;
The calendering formation device of selection 4, rolling process sheet glass production usefulness;
Refractory metal plate and the high-speed stretch shaped device of the porous of selection 5, glass fibre production usefulness;
Die orifice and the tensioning system trombone slide shaped device of selection 6, trombone slide glasswork production usefulness;
The compacting tool set formation system device that selection 7, pressed glass production of articles are used;
The blowing mould formation system device that selection 8, blow-molded glass production of articles are used;
The production unit of described glass is characterized in that: a kind of float glass process production unit of glass is characterized in that comprising:
Mixing device, described mixing device hybrid glass raw material;
Melting appartus, the frit after described melting appartus is melt-blended, and the bubble of discharge glass metal;
Cooling work portion, described cooling work portion carries out homogenizing and clarification and cooling to glass metal, and the middle lower floor of described cooling work portion is equipped with 2 to 100 phase mutual edge distances electricity heating device that is 0.2m to 4m and measures temperature device; Range position in the 0.1m to 1.5m of the left side of close described tin kiln one side of the middle lower floor of described cooling work portion or the corner on the right is equipped with the electricity heating device and measures temperature device;
The tin kiln, described tin kiln shakeouts glass metal, polish, and draws the thin glass ribbon of making;
Wherein, described middle lower floor refers to that cooling work portion glass metal cavity upwards measures 0 to 80% part from the bottom.
Production unit according to claim 1,6 described glass, it is characterized in that: described tin kiln is connected to described cooling work part device by a diversion trench, in vertical 0.5m distance in the horizontal exit of the folder mouth of this diversion trench, transverse row is shown 2-10 electric heater unit and is measured temperature device, and the Guang of the folder mouth of diversion trench is 1-3m to the width in exit.
Production unit according to claim 1,6 described glass is characterized in that: pull with the throttling lock at the safety brake in described tin kiln float glass process shaped device the place ahead and pull on the limit, also respectively be provided with 2-10 electric heater unit and measure temperature device; In the described tin kiln float glass process shaped device, two sides before edge machine have the device of being made by graphite, have 3-5 cooling water packing to put again.
Moulding technique according to the production unit of the described glass of claim 1--8 is characterized in that: glass metal enter 0.5 to 9m before the formation system device apart from the time temperature, be higher than 20 ℃ to 150 ℃ of the recrystallization temperatures of glass material; Glass metal is 10 from the temperature-viscosity that the cooling work part device enters the formation system device 2.0Handkerchief second to 10 2.9Handkerchief second.
According to the moulding technique of the production unit of the described glass of claim 1--8, it is characterized in that: in the described tin kiln float glass process shaped device, the equilibrium thickness that glass ribbon shakeouts is 1-5MM; The temperature-viscosity that glass ribbon shakeouts is 10 2.2Handkerchief second to 10 3.9Handkerchief second.
Implement the novel process device technique scheme of this glasswork production line of the present invention and the system technical scheme of moulding process; The process unit technical scheme of the system of especially new float glass and the system technical scheme of moulding process produce following beneficial effect:
1, by electric heater unit and the temperature measuring equipment new in the middle and lower part of cooling work part device, the temperature-viscosity of lower floor in the control glass metal; Temperature of glass liquid viscosity with the horizontal exit of the folder mouth of diversion trench, with the temperature of glass liquid viscosity of control glass metal in the range position of the 0.1m to 1.5m of the corner on the limit, the left and right sides of the direction of leaning on the building mortion direction of cooling work part device, can effectively prevent glass metal devitrification and crystallization, and then the quality of control glass ware forming.Concrete:
Make recrystallization temperature be higher than conventional 10 3The glass material of handkerchief mold temperature second, especially those recrystallization temperatures are higher than conventional 10 3Handkerchief mold temperature second to have a viscosity temperature low, intensity height, the glass material that thermal expansivity character is outstanding, because the technical guarantee of the glass production device of innovation, it is low stable production to have viscosity temperature, and thermal expansivity is low, the high performance glass material that intensity is high; Again can stable production having not can devitrification and the glass material of the high light transmission rate quality of crystallization, as: float flat glass goods, lattice method sheet glass goods, overflow downdraw sheet glass goods, rolling process sheet glass goods, fiberglass products, trombone slide glasswork, pressed glass goods, blow-molded glass goods.
2, solved the electronic glass technology of existing float glass technology, more basic can not doing only is 0.05mm to 0.3mm thickness, and its product Zhi can be stabilized in the technical barrier of the float glass process electronic glass in 20mm is no more than 0.15 micron apart from percent ripple the level again; Produce unforeseeable technique effect, represented the technology trend of the following float glass process technology of the lightening technical development of ultra-thin electronic glass.
3, because flow into the tin kiln, shakeout, polish, draw 4 thin moulding processs in the stage at the glass metal of same a kind of composition of float glass technology, technical scheme of the present invention and process system are more much lower than prior art floating process system viscosity, can be between the edge machine and the velocity contrast between edge machine and the drawing machine, control the drawing amount better, reaching increases the drawing amount under the same appointed condition, reach the target that increases the output of float glass under the high-quality prerequisite.
4, the electronic glass of prior art only has only indivedual electronic glass enterprise, can produce the electronic-grade super-thin electronic float glass product that thickness is 0.5mm with floating process, but its percent ripple quality is also very unstable;
Especially the TFT electronic glass produced of floating process, because product Zhi can not be stabilized in 20mm is no more than 0.10 to 0.15 micron apart from percent ripple the level, so must be to TFT electronics float glass product, remake the processing of polishing wear down, when taking a lot of work, cracky again, production efficiency is very low again, the technical barrier that cost is very high.
5, because the present invention at the equilibrium thickness that glass ribbon shakeouts that enters of float glass technology, is 1mm-5mm; Than traditional 6mm-7mm, the equilibrium thickness that glass ribbon of the present invention shakeouts is wanted thin 6 to 7 times; For example: the equilibrium thickness 6mm-7mm that shakeouts by traditional glass ribbon draws 10 times of the thin 0.7mm of being to draw thin rate relatively, 10 times of the equilibrium thickness 1mm-2mm that glass ribbon of the present invention shakeouts are drawn thin rate meter, comprehensive other measure more is conducive to draw the thin float glass that obtains the ultrathin electronic applications of described 0.1mm to 0.2mm.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the synoptic diagram of the float glass 1 produced of float glass process production unit according to the present invention;
Fig. 2 is the synoptic diagram of float glass process production unit of the present invention;
Fig. 3 be Fig. 2 melting appartus the middle and lower part local warming's device and measure the temperature device synoptic diagram; Can have similar structure equally with the cooling work part device;
The process flow sheet of Fig. 4 Fig. 2.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Prior art is thought: the recrystallization temperature of glass is higher than traditional mold temperature 10 3Handkerchief owing to easily produce the glass devitrification, can not be produced during second; So for example glass metal homogenizing, the clarification steps of the melting appartus of conventional float glass process production line and cooling work part device only can upper layer part be installed the device of spray gun warming apparatus and mensuration temperature.
Because the glass material of prior art is difficult for crystallization, so: at conventional glasswork production line, especially the middle lower floor of the melting appartus of float glass process production line and cooling work part device does not all have to install and adds gentle control accurately and measure temperature device (conventional float glass process production line has only electric molten stove or indivedual for adding the melting appartus of drawing amount, just in the middle and lower part of melting appartus glass metal the electricity heating device is installed; Also never can device that measure temperature be installed in the middle and lower part of glass metal; More never can install in the middle lower floor of the cooling work part device of homogenizing, clarification and add gentle control accurately and measure temperature device; Also never can the electricity heating device be installed and measure the device of temperature in the range position by 0.1m to 1, the 5m of the corner on the limit, the left and right sides of tin kiln direction of the middle lower floor of cooling work part device); And the reaching about the 150-250 degree with middle lower floor glass metal (middle lower floor refers to from the bottom the upwards glass metal zone that reaches 40% or 40% to 80% degree of depth of metering) temperature difference of the upper strata glass metal in the many zones of conventional float glass process production line;
Because the glass material of prior art is difficult for crystallization, so: at conventional glasswork production line, especially float glass process production line, never can enter the vertical 0.5m distance in horizontal exit of folder mouth of diversion trench of cooling work part device from the tin kiln in, glass metal transverse row be set show 2-10 electric heater unit and mensuration temperature device.
Because the glass material of prior art is difficult for crystallization, so: the glass metal of prior art flows into the corresponding viscosity temperature of tin kiln and all is decided to be 10 3Handkerchief second; In the floating process technological regime of prior art, the equilibrium thickness that glass ribbon shakeouts all is decided to be 6.3mm or 6 to 7mm; In the relevant floating process system technology of prior art, all be decided to be the viscosity temperature that glass ribbon shakeouts and just be limited to 10 3.7Handkerchief second to 10 4.2Handkerchief second.
Fig. 1 is the synoptic diagram of the float glass 12 produced of float glass process production unit according to the present invention.
Fig. 2 is the synoptic diagram of float glass process production unit of the present invention.With reference to Fig. 1, the production unit of this float glass of the present invention comprises: feed bin 2, mixing device 3, melting appartus 4, diversion trench 5, cooling work part device 6, tin kiln 7, transition roller platform 8, annealing furnace 9, cutting portioning station 10.These parts all are installed on the float glass line matrix 11.The raw material 1 of glass is mixed in proportion pours feed bin 2 into, enters mixing device 3.Can have stirrer in the mixing device 3, this stirrer can improve the degree of mixing of raw material 1.Melting appartus 4 melts mixed raw material.The middle lower floor of melting appartus 4 is equipped with 3 electricity heating device 41 and 3 to 200 mensuration temperature devices 42 of being 0.2m to 4m to 200 distances.Glass metal after the fusing enters cooling work part device 5, carries out operations such as exhaust bubble, homogenizing, clarification in cooling work part device 5.The middle lower floor of cooling work part device 5 is equipped with 3 mensuration temperature devices that are 0.2m to 2m to 200 distances to 200 distances electricity heating device that is 0.2m to 4m and 3, the electricity heating device is installed and is measured the device of temperature in the range position by 0.1m to 1, the 5m of the corner on the limit, the left and right sides of tin kiln direction of the middle lower floor of cooling work part device.The liquid that flows out from cooling work part device 5 passes through diversion trench 6 again, enter tin kiln 7, have a diversion trench 6 before the described tin kiln 7, in vertical 0.5m distance in the horizontal exit of the folder mouth of this diversion trench 6, transverse row is shown 2-10 electric heater unit and is measured temperature device.The glass ribbon that forms in tin kiln 7, through transition roller platform 8 and annealing furnace 9 annealing, the sheet glass after the annealing enters cutting portioning station 10, cuts and packs.
Fig. 3, cavity 4 have only shown in the middle lower floor of melting appartus and cooling work part device the more specifically partial schematic diagram of structure; 41 expression electric heater units--temperature device is measured in 42 expressions; Actual in melting appartus and cooling work part device, can be provided with a plurality of electric heater units and measure temperature device; Middle lower floor refers to upwards measure 0 to 80% zone from the bottom of the cavity of melting appartus and cooling work part device.
Described for a better understanding of the present invention float glass process production unit provides following three embodiment.
Embodiment one
S101: raw material sodium oxide, aluminum oxide, silicon oxide, magnesium oxide and calcium oxide are mixed, put into feed bin 2, enter mixing device 3 with feed bin, mixing device 3 is to its stirring.Wherein, count as weight percents, the content of sodium oxide is 6%, and alumina content is 25%, and the content of silicon oxide is 3 times of calcium oxide content, and the content of calcium oxide is 1.4 times of magnesian content.
S102: at the middle lower floor of the melting appartus 4 electricity heating device that 40 distances are installed is 1.5m with measure temperature device, the electricity heating device that it is 1.5m that the middle lower floor of cooling work part device 5 is equipped with 40 distances and measure temperature device and the electricity heating device is installed and is measured the device of temperature in the range position by the 0.6m of two corners on the limit, the left and right sides of tin kiln direction of the middle lower floor of cooling work part device.
S103: pour abundant mixed raw material into melting appartus, form the glass metal of predetermined viscosity.In the cooling work part device, discharge bubble then, again homogenizing, clarification.
S104: two sides of tin kiln 7 are installed the graphite material device, have 5 cooling water packings to put again; Have a diversion trench 6 before the described tin kiln 7, in vertical 0.5m distance in the horizontal exit of the folder mouth of this diversion trench 6, transverse row is shown 6 electric heater units and is measured temperature device; Safety brake before the tin kiln is pulled with the throttling lock and is pulled on the limit, 4 electric heater units is also respectively arranged and measure temperature device; The Guang of the folder mouth of diversion trench is 2M to the width in exit.
Glass metal is 10 from the temperature-viscosity that cooling work part device 5 enters the tin kiln 2.6Handkerchief second, enter before the tin kiln 7 0.5m apart from the time temperature, be higher than 60 ℃ of the recrystallization temperatures of glass material.
S105: glass metal is gone into tin kiln 7 and is shakeout, polishes, and draws the thin glass ribbon of making, and wherein, the equilibrium thickness that described glass ribbon shakeouts is 3mm; The temperature-viscosity that glass ribbon shakeouts is 10 2.9
S106: described glass ribbon draws traction with tractor through leading of edge machine, pulls out tin kiln 7, and through cooling, annealing, after cooling, through cutting, can make described float glass.
Have following parameters by the produced glass of the above-mentioned embodiment of being:
The recrystallization temperature of glass material is than mold temperature 10 3Handkerchief is high 60 ℃ second;
The thickness of this glass is 0.3mm;
This glass is 20mm is no more than 0.10 micron level apart from percent ripple in;
The thickness difference of this glass is less than 0.01mm;
Its water-intake rate is in 0.1% scope;
Its folding strength reaches 150Mpa.
Embodiment two
S201: sodium oxide, aluminum oxide, silicon oxide and calcium oxide are mixed, put into feed bin 2, enter mixing device 3 with feed bin, mixing device 3 is to its stirring.Wherein, as weight percents the meter, the content of sodium oxide is 0.1%, alumina content is 15%, the content of silicon oxide is 4 times of calcium oxide content, the content of calcium oxide be magnesian content to 1.8 times.
S202: at the middle lower floor of the melting appartus 4 electricity heating device that 160 distances are installed is 0.5m with measure temperature device; The electricity heating device that it is 0.5m that the middle lower floor of cooling work part device 5 is equipped with 160 distances and measure temperature device and the electricity heating device is installed and is measured the device of temperature in the range position by the 0.3m of two corners on the limit, the left and right sides of tin kiln direction of the middle lower floor of cooling work part device.
S203: pour abundant mixed raw material into melting appartus 4, form the glass metal of predetermined viscosity.In cooling work part device 5, discharge bubble then, again homogenizing, clarification.
S204: two sides of tin kiln 7 are installed the graphite material device, and 3 cooling water packings are arranged again; Have a diversion trench 6 before the described tin kiln 7, in vertical 0.5m distance in the horizontal exit of the folder mouth of this diversion trench 6, transverse row is shown 5 electric heater units and is measured temperature device; Safety brake before the tin kiln is pulled with the throttling lock and is pulled on the limit, 3 electric heater units is also respectively arranged and measure temperature device, and the Guang of the folder mouth of diversion trench is 2.3m to the width in exit.
The temperature-viscosity that glass metal enters the tin kiln from cooling work part device 5 was 102.6 handkerchief seconds, enter before the tin kiln 7 0.5m apart from the time temperature, be higher than 50 ℃ of the recrystallization temperatures of glass material.
S205: shakeout, polish, and draw the thin glass ribbon of making, wherein, the equilibrium thickness that described glass ribbon shakeouts is 1.8mm; The temperature-viscosity that glass ribbon shakeouts is 10 2,5,
S206: described glass ribbon draws traction with tractor through leading of edge machine, pulls out tin kiln 7, and through cooling, annealing, after cooling, through cutting, can make described float glass.
Have following parameters by the produced glass of the above-mentioned embodiment of being:
The recrystallization temperature of glass material is than mold temperature 10 3Handkerchief is high 50 ℃ second;
The thickness of this glass is 0.16mm;
This glass is 20mm is no more than 0.10 micron level apart from percent ripple in;
The thickness difference of this glass is less than 0.013mm;
Its water-intake rate is in 0.05% scope;
Its folding strength reaches 120Mpa.
Embodiment three
S301: sodium oxide, aluminum oxide, silicon oxide and calcium oxide are mixed, put into feed bin 2, enter mixing device 3 with feed bin 2, mixing device 3 is to its stirring.Wherein, as weight percents the meter, the content of sodium oxide is to 14%, alumina content is to 10%, the content of silicon oxide be calcium oxide content to 7 times, the content of calcium oxide be magnesian content to 1 times.
S302: 110 distances are installed be to the electricity heating device of 1m and measure temperature device in the middle lower floor of melting appartus 4, and the middle lower floor of cooling work part device 5 is equipped with 110 distances for to the electricity heating device of 1m with measure temperature device and in the range position by the 1m of two corners on the limit, the left and right sides of tin kiln direction of cooling work part device the device of electricity heating device and mensuration temperature is installed.
S303: pour abundant mixed raw material into melting appartus 4, form the glass metal of predetermined viscosity.In cooling work part device 5, discharge bubble then, again homogenizing, clarification.
S304: two sides of tin kiln 7 are installed the graphite material device, and 5 cooling water packings are arranged again; Have a diversion trench 6 before the described tin kiln 7, in vertical 0.5m distance in the horizontal exit of the folder mouth of this diversion trench 6, transverse row is shown 7 electric heater units and is measured temperature device; Safety brake before the tin kiln is pulled with the throttling lock and is pulled on the limit, 3 electric heater units is also respectively arranged and measure temperature device, and the Guang of the folder mouth of diversion trench is 1.5M to the width in exit.
The temperature-viscosity that glass metal enters the tin kiln from cooling work part device 5 was 102.6 handkerchief seconds, enter before the tin kiln 7 0.5m apart from the time temperature, be higher than 70 ℃ of the recrystallization temperatures of glass material.
S305: shakeout, polish, and draw the thin glass ribbon of making, wherein, the equilibrium thickness that described glass ribbon shakeouts is 3.6mm; The temperature-viscosity that glass ribbon shakeouts is 10 3.0Handkerchief second.
S306: described glass ribbon draws traction with tractor through leading of edge machine, pulls out tin kiln 7, and through cooling, annealing, after cooling, through cutting, can make described float glass.
Have following parameters by the produced glass of the above-mentioned embodiment of being:
The recrystallization temperature of glass material is than mold temperature 10 3Handkerchief is high 40 ℃ second;
The thickness of this glass is 3mm;
The thickness difference of this glass is less than 0.05mm;
Its water-intake rate is to 0.1% scope;
Its folding strength reaches to 100Mpa.
The topmost technical problem that the present invention solves is:
1, make recrystallization temperature be higher than conventional 10 3The glass material of handkerchief mold temperature second, especially those recrystallization temperatures are higher than conventional 10 3Handkerchief mold temperature second to have a viscosity temperature low, the intensity height, the glass material that thermal expansivity character is outstanding, because the technical guarantee of the glass production device of innovation, it is low stable production to have viscosity temperature, the intensity height, the high performance glass material that thermal expansivity is low, again can stable production have not can devitrification and the high light transmission rate quality of crystallization glass material, as the float flat glass goods, lattice method sheet glass goods, overflow downdraw sheet glass goods, rolling process sheet glass goods, fiberglass products, the trombone slide glasswork, the pressed glass goods, the blow-molded glass goods.
2, the prejudice of the present invention's topmost traditional floating process technological regime that especially can solve is: the recrystallization temperature of A, glass material character is higher than traditional mold temperature 10 3.0Handkerchief owing to easily produce the glass devitrification, never can be produced at float glass line during second; B, can not do only be 0.05mm to 0.3mm to 0.2mm thickness at all, and its product Zhi can be stabilized in the technical barrier of the float glass process electronic glass in 20mm is no more than 0.15 micron apart from percent ripple the level again; C, float glass process electronic glass product Zhi can not be stabilized in to high qualification rate the technical barrier in 20mm is no more than 0.15 micron apart from percent ripple the level;
(1) the present invention can make recrystallization temperature be higher than conventional 10 3.0The glass material of handkerchief mold temperature second, especially those recrystallization temperatures are higher than conventional 10 3.0Handkerchief mold temperature second to have a viscosity temperature low, the intensity height, the glass material that thermal expansivity character is outstanding, both can be stable pull production premium quality product in the glasswork in that float glass process is flat, can obtain again not can devitrification and the high light transmission rate quality of crystallization.One of concrete technical solution is:
A, the present invention are higher than conventional 10 for material, especially those recrystallization temperatures that ensure high recrystallization temperature glass 3.0Handkerchief mold temperature second to have a viscosity temperature low, the intensity height, the glass material that thermal expansivity character is outstanding, carry out float glass technology and produce debugging, the all sites of upper, middle and lower layer of the cooling work part device of neoteric melting appartus in float glass technology and homogenizing, clarification is provided, has temperature of glass liquid to add the gentle device of measuring temperature, make all glass metals before moulding, be higher than the glass material recrystallization temperature completely, reliable tooling guarantee can be provided.
B, because the glass material of prior art is difficult for crystallization, so: the glass metal of prior art flows into the corresponding viscosity temperature of tin kiln and all is decided to be 10 3Handkerchief second; In the floating process technological regime of prior art, the equilibrium thickness that glass ribbon shakeouts all is decided to be 6.3mm or 6 to 7mm; In the relevant floating process system technology of prior art, all be decided to be the viscosity temperature that glass ribbon shakeouts and just be limited to 10 3.7Handkerchief second to 10 4.2Handkerchief second.
C, because the upper layer part of the glass metal of the cooling work part device of the melting appartus of conventional float glass process production line and homogenizing, clarification, have certain spray the to rob device of heating and the device of measuring temperature; Again because the glass material of prior art is difficult for crystallization, so all do not have to install in the middle lower floor of the cooling work part device of conventional float glass process production line melting appartus and homogenizing, clarification and add gentle control accurately and measure temperature device, conventional float glass process production line has only electric molten stove or indivedual for adding the melting appartus of drawing amount, just in some middle and lower part of melting appartus glass metal the electricity heating device is installed, but never can device that measure temperature be installed in the middle and lower part of melting appartus glass metal; More never can the middle lower floor of the cooling work part device of homogenizing, clarification and exhaust bubble accurate electricity heating is installed and measure the control temperature device and the middle lower floor of cooling work part device by the position in the scope of the 0.1m to 1.5m of two corners on the limit, the left and right sides of tin kiln direction, the device of electricity heating device and mensuration temperature is installed, and middle lower floor refers to from the bottom the upwards glass metal zone that reaches 0 to 40% or 40% to 80% degree of depth of metering about 150 ℃-250 ℃ and the upper strata glass metal in the many zones of conventional float glass process production line and middle lower floor temperature of glass liquid difference reach;
D, because the glass material of prior art is difficult for crystallization, so: at conventional float glass process production line, never can enter the vertical 0.5m distance in horizontal exit of folder mouth of diversion trench of cooling work part device from the tin kiln in, glass metal transverse row be set show 2-10 electric heater unit and mensuration temperature device; Never can pull with the throttling lock at the safety brake before the tin kiln and pull on the limit, several electric heater units be arranged and measure temperature device.
So the present invention will innovate, be higher than conventional 10 in the production recrystallization temperature 3.0During the glass material of handkerchief mold temperature second, for the temperature of the middle and lower part of the cooling work part device that ensures melting appartus and homogenizing, clarification must be higher than recrystallization temperature, guarantee not crystallization devitrification of glass metal, so that nearly all glass metal middle and lower part can make it flow by heating, can accurately measure glass metal middle and lower part temperature again, just must be at the glasswork production line, the process unit of especially making float glass ensures goes up systematic innovation:
[1] because after glass metal people from melting appartus flows into the cooling work part device, temperature obviously descends, so the present invention is in the homogenizing of float glass process production line, the middle lower floor of the cooling work part device of clarification (middle lower floor refer to glass metal from the bottom upwards 0 to 80% the zone of metering lower floor refer to from the bottom the upwards placement glass metal zone that reaches 40% and 40% to 80% degree of depth of metering), distance between 2-100 or 6-100 or 20-100 is installed is the device of 0.5 to 6m electricity heating and distance between 2-100 or 6-100 or 20-100 is installed is 0.5 to 4m accurate mensuration temperature device; Prior art lower floor and the upper strata temperature difference are 150 ℃ in can overcoming--250 ℃ problem; Can guarantee glass metal before entering the moulding tin kiln of floating process, prevent because to the hysteresis that temperature of glass liquid is accurately measured and control heats up, cool under the crystallization point glass metal crystallization devitrification and produce glass metal.
[2] the present invention is in the middle lower floor of the cooling work part device of float glass process production line (middle lower floor refer to glass metal from the bottom 0 to 80% of metering zone upwards), distance between 2-100 or 6-100 or 20-100 is installed is the device of 0.5 to 4m electricity heating and the distance that is equipped with between 2-100 or 6-100 or 20-100 is that 0.5M to 6M measures temperature device accurately, the corner from limit, the left and right sides by the tin kiln in the middle lower floor of cooling work part device is the position of 0.1m to 1.5m, the electricity heating device is installed and measures temperature device; Can overcome corner, especially 150 ℃ of middle lower floor and the upper strata temperature difference--250 ℃ problem is guaranteed glass metal before entering the moulding tin kiln of floating process, prevents because the hysteresis that heats up is accurately measured and controlled to temperature of glass liquid, cool under the crystallization point glass metal crystallization devitrification and produce glass metal.
Again because: one because the glass material that higher recrystallization temperature and low viscosity temperature profile are arranged that the present invention especially is suitable for, its bubble was easier in the preceding high-temperature technology phase, paid attention to the control temperature and drained the pure qi (oxygen) bubble to greatest extent especially; They are two years old, because the middle lower floor of cooling work part device, the device of electricity heating not only is installed, the mensuration temperature device also has been installed, only be higher than on the crystallization point 30 ℃ so can control accurately fully--the steady temperature state of 50 ℃ (being generally 1230 ℃-1280 ℃), so can not occur fully making chilled microbubble become the product bubble quality problem that produces greatly again because significantly heating up for the second time yet.
[3] the present invention arranges transverse row and shows 2-10 electric heater unit and mensuration temperature device glass metal enters the vertical 0.5m distance in horizontal exit of folder mouth of diversion trench of cooling work part device from the tin kiln in; Safety brake before the tin kiln is pulled with the throttling lock and is pulled on the limit, 2-6 electric heater unit is also respectively arranged and measure temperature device; Can overcome on the edge, horizontal exit of folder mouth of diversion trench and safety brake is pulled with the throttling lock and pulled on the edge, sticking long-pending glass metal is lowered the temperature crystallization and is flowed into the tin kiln, produce the defective of quality product, guarantee that glass metal is before entering the moulding tin kiln of floating process, prevent because the hysteresis that heats up is accurately measured and controlled to temperature of glass liquid, cool under the crystallization point glass metal crystallization devitrification and produce glass metal;
[4] two sides before edge machine have the device of being made by graphite in the tin kiln of the present invention, there be 3-5 cooling water packing to put again, for prevent that each different (equilibrium thickness that glass ribbon shakeouts is 1mm to 2mm or 2mm to 5mm) technology from adjusting technical scheme during the initial stage, the glass metal viscosity that appears at time flat stage is too low, and prevent that glass metal is bonded at tin kiln limit portion, with regard to bad cleaning; And have the water that 3-5 cooling degree of more innovation is set than routine and pack and put, be when the present invention is entered the tin kiln than the equipment control of the high a lot of glass metal of the temperature of common process, be conducive to the accurate technology controlling and process to the glass metal viscosity temperature in time flat stage; The device guarantee that can significantly lower the temperature that has the water packing that enters innovation 3-5 cooling degree behind the moulding tin kiln to put because of glass metal, just can guarantee glass metal before entering the tin kiln on technology, regulation and control dare to significantly heat up, just can prevent fully because the hysteresis that heats up is accurately measured and controlled to temperature of glass liquid, cool under the crystallization point glass metal crystallization devitrification and produce glass metal;
[5] safety brake before the tin kiln is pulled with the throttling lock and is pulled on the limit again, electric heater unit is arranged and measure temperature device, just can reach and guarantee that glass metal enters before the moulding tin kiln, the Guang of the folder mouth of diversion trench does not produce the brilliant devitrification of folding because of the glass metal cooling to the limit portion in exit yet; If in order to reach the equilibrium thickness that the glass ribbon that forms 1-5MM shakeouts, (prior art is 1---1,5M can also to widen the total width of diversion trench; The present invention can be 1,5---3M), make the throttling lock pull decline (with high much flows of the glass metal of temperature of control ratio prior art technology) again, or the total width of widening diversion trench is 1.5---3m, can reach the glass ribbon of widening that produces because of very high warm glass metal and shakeout width, the purpose of the equilibrium thickness that the glass ribbon of the 1-5mm of the present invention that the equilibrium thickness 6mm that guarantee is shakeout than common glass ribbon is thinner shakeouts.
Summarize it, more than 5 points, being the present invention is higher than conventional 10 making recrystallization temperature 3.0During the glass material of handkerchief mold temperature second, to the glasswork production line, the system innovation on especially the process unit of float glass ensures.
(2) the present invention can make recrystallization temperature be higher than conventional 10 3.0The glass material of handkerchief mold temperature second, the premium quality product of producing in the glasswork is pulled in can be stable put down in float glass process, can obtain again not can devitrification and the high light transmission rate quality of crystallization, has broken again in traditional floating process technological regime, and it is 10 that glass metal flows into the corresponding viscosity of tin kiln 3The technology prejudice of handkerchief second, two of concrete technical solution:
The present invention in the stage, is higher than conventional 10 to recrystallization temperature at floating process technological regime moulding process 3.0The glass material of handkerchief mold temperature second, the scope that is higher than recrystallization temperature for the temperature of controlling glass metal dissolving before moulding process, exhaust bubble, clarification process stage, one of aforementioned techniques solution has reached and has guaranteed the not necessary hardware device purpose of crystallization devitrification of glass metal for measuring temperature device by in the middle lower floor of the cooling work part device of melting appartus and homogenizing, clarification the sufficient gentle accurate control that adds that distributes being installed.But in concrete operations, especially to guarantee to clarify the afterbody of the cooling work part device that steeps with exhaust, the distance of .0.5m to 6m before entering the moulding tin kiln of floating process, the temperature that must control glass metal is higher than recrystallization temperature 10 3Handkerchief above 30 ℃ to 150 ℃ degree second, just temperature-viscosity should be 10 2.0Handkerchief second to 10 2.5Handkerchief second 10 2.9Handkerchief second just can prevent from temperature of glass liquid is accurately measured and control heats up lags, and just can reach to guarantee that glass metal enters before the moulding tin kiln the not purpose of crystallization devitrification.This has just broken in traditional floating process technological regime, and it is 10 that glass metal flows into the corresponding viscosity of tin kiln 3The technology prejudice of handkerchief second: [the 92nd page of 1 to 2 row of the float shaping technology chapters and sections in " float glass technology and equipment " book that China's chemical industry press published in 2005 pointed out: the glass floating process ... glass metal flows into the tin kiln ... corresponding viscosity is 10 3Handkerchief second.] and innovated the floating process system, the temperature-viscosity that makes glass metal of the present invention enter the tin kiln is 10 2.0Handkerchief second to 110 2.5Handkerchief second 10 2.9The technical scheme of handkerchief second can realize; And for technique effect described later: be conducive to better planeness, percent ripple quality and more conform with the lightening development trend of electronic glass and lay the technology basis for producing in nature at technical characterictic.
(3) the present invention has also broken in traditional float glass process molding technology thereof system, and the equilibrium thickness that glass ribbon shakeouts is exactly the technology prejudice for 6.3mm or about 6 to 7mm; 2, break the viscosity temperature that the glass ribbon of traditional float glass process molding technology thereof system shakeouts and just be limited to 10 3.7Handkerchief second to 10 4.2Three of the technical solution of the technology prejudice of handkerchief second:
Because the second section of above-mentioned present technique solution is pointed out, before glass metal is gone into the tin kiln of moulding process, for preventing that temperature of glass liquid is accurately measured and control heats up lags, and produce glass metal crystallization devitrification, be higher than recrystallization temperature 10 so must control the temperature of glass metal 3Handkerchief second, 30 to 150 ℃ temperature, just temperature-viscosity is 10 2.0Handkerchief second to 10 2.5Handkerchief second 10 2.9Handkerchief second, adopted the relatively prior art floating process technological regime moulding process stage, the much high and much lower process system of viscosity of temperature; So can make and enter the temperature-viscosity of the present invention that moulding tin firer planted before the stage is 10 2.0Handkerchief second to 10 2.5Handkerchief second to 10 2.9Handkerchief second, progressively cool to the temperature-viscosity that glass ribbon shakeouts behind the tin kiln and be 10 of innovation 2.4Handkerchief second to 10 3.9Handkerchief second, also just can break in traditional float glass process molding technology thereof system, the viscosity temperature that glass ribbon shakeouts just is limited to 10 3.7Handkerchief second to 10 4.2The technology prejudice of handkerchief second: [4 to 5 row are pointed out in the 85th page in " float glass operation question and answer " book that China's chemical industry press published in 2007: glass ware forming shakeouts and must adapt to the leveling temperature range ... corresponding range of viscosities is 10 3.7Handkerchief second to 10 4.2Handkerchief second]; And could be conducive to better planeness, percent ripple quality and on technical characterictic character promotes, more conform with the lighter and thinner product of electronic glass for producing for described later, lay the technology basis.
Be 10 of innovation because progressively cool to the temperature-viscosity that glass ribbon shakeouts behind the tin kiln again 2.4Handkerchief second to 10 3.9Handkerchief second is than going into 10 of glass ribbon behind the tin kiln in traditional floating process technological regime 3.7Handkerchief second to 10 4.2The technology prejudice of handkerchief viscosity second is much lower, and it is very little that its tension force becomes, and the technical scheme of the thinner equilibrium thickness that under same action of gravity, certainly leads to; So broken in traditional float glass process molding technology thereof system, the equilibrium thickness that glass ribbon shakeouts is exactly the technology prejudice for 6.3mm or about 6 to 7mm: [156 page 10 of the glass ware forming chapters and sections in " technology for making glass " book that China's chemical industry press 2006 publishes point out to 12 row: one of key of float glass process moulding is gauge control, when gravity and surface tension reach balance, be about 6.3mm at pulling force effect lower-glass thickness, be called equilibrium thickness]; The equilibrium thickness that glass ribbon of the present invention is shakeout is that the technical scheme of 1mm to 2mm or 2mm to 5mm can realize, thereby has innovated float glass process moulding process system;
Summarize and discuss, more than innovation has overcome the technology prejudice of glasswork product line device in the prior art, the technology prejudice of the technology prejudice of especially conventional float glass process product line device and multiple moulding process system: overcome the melting appartus of existing glass thread, especially the middle lower floor of the cooling work part device of homogenizing, clarification does not all have abundant layout to install to add gentle accurate control to measure technology prejudice on the equipment such as temperature device; With overcome the cooling work part device be the position of 0.1m to 1.5m by the corner from limit, the left and right sides of tin kiln, the technology prejudice that the electricity heating device is installed and measures temperature device is not set; With overcome in the tin kiln enters the vertical 0.5m distance in horizontal exit of folder mouth of diversion trench of cooling work part device, the technology prejudice that transverse row is shown 2-10 electric heater unit and mensuration temperature device is not set; Safety brake before the tin kiln is pulled with the throttling lock and is pulled on the limit, and the technology prejudice of electric heater unit and mensuration temperature device is not set; Also only be the technology prejudice of 1-1.5M with the Guang of the folder mouth that overcomes diversion trench in ultra-thin glass technology to the width in exit; 1--3 the cooling water packing of only establishing that has overcome existing float glass line put, again obsolete substantially technology prejudice; And can realize being to ensure that new glass ware forming process system can be precisely controlled, and the innovation of the combined platform of the float glass process production unit device of a plurality of glass that carry out.
Thereby ensured the formulation of new glass ware forming process system: the temperature of control glass metal before entering the tin kiln will be higher than the innovation floating process system technical scheme of the temperature of 30 to 150 ℃ of recrystallization temperatures; The temperature-viscosity that enters the tin kiln with glass metal is 10 2.0Handkerchief second to 10 2.5Handkerchief second 10 2.9The innovation floating process system technical scheme of handkerchief second; And the temperature-viscosity that floating process system glass ribbon shakeouts is 10 2.4Handkerchief second to 10 3.9The innovation floating process system technical scheme of handkerchief second; And the equilibrium thickness that glass ribbon shakeouts is the innovation floating process system technical scheme of 1mm to 2mm or 2mm to 5mm;
And the statement by the front, the insider should understand, system innovation on the process unit of these glasswork production lines ensures, system innovation and float shaping process system innovative technology scheme on especially the process unit of float glass ensures can make technique effect ideally realize:
1, because after glass metal people from melting appartus flows into the cooling work part device, temperature obviously descends, so the present invention is in the middle lower floor of the cooling work part device of float glass process production line (middle lower floor refer to glass metal from the bottom 0 to 80% of metering zone upwards),--distance between 100 is the device of 0.5 to 4m electricity heating and is equipped with 2-100 or 6-the 100 or 20--distance between 100 that is equipped with 2-100 or 6-100 or 20 is 0.5 to 4m accurate mensuration temperature device, lower floor and the upper strata temperature difference are 150 ℃ in can overcoming--250 ℃ problem, can guarantee that glass metal is before the moulding tin kiln that enters the outstanding old floating process of various glasswork moulding processs, prevent because the hysteresis that heats up is accurately measured and controlled to temperature of glass liquid, cool under the crystallization point glass metal crystallization devitrification and produce glass metal.
2, the viscosity temperature that shakeouts operation stage of process system of the present invention is 10 2.4Handkerchief second to 10 3.6Handkerchief second, so that the tension force the when tension force of glass metal and traditional equilibrium thickness has produced big variation, make and produce the new flat equilibrium thickness that drops down between tension force and the gravity;
3, the present invention is on process unit ensures, can provide technique platform for flowing in the tin kiln the accurate technology controlling and process of very high temperature of glass liquid, can make the temperature of glass liquid height and viscosity is very low, enters the equilibrium thickness that glass ribbon shakeouts and can be 1mm-5mm; Than traditional 6mm-7mm, the equilibrium thickness that glass ribbon of the present invention shakeouts is wanted thin 6 to 7 times; For example: the equilibrium thickness 6mm-7mm that shakeouts by traditional glass ribbon draws 10 times of the thin 0.7mm of being to draw thin rate relatively, the equilibrium thickness that glass ribbon of the present invention shakeouts is 2mm, 10 times draw thin rate relatively, more be conducive to draw the thin float glass that obtains the ultrathin electronic applications of described 0,1--2mm;
If 4 equilibrium thicknesses that shakeout with glass ribbon of the present invention are 2mm, 5 times draw thin rate relatively because draw thin rate comparison prior art to lack 5 times, obviously be conducive to be stabilized in the interior percent ripple of 20mm distance and be no more than 0.15 micron technical qualities.
5, also can solve prior art electronics float glass draws in the thin operation stage, owing to the moulding in early stage, shakeout, be limited by traditional technology prejudice in the several stages such as polishing, the glass ribbon operation stage of prior art solves and is polishing and drawing thin operation stage all to adopt the heating system of strengthening tin kiln top electric heating device greatly than the much lower difficult problem of temperature actual in the glass ribbon operation stage of the present invention.This is a kind of reheat process in essence.Its defective is: heating unit mainly acts on upper surface portion, be lower than top surface plane so lower flat plate face C.T. is more, 1 to 2 minute draw in thin several times to the tens times technological process only, lower surface is owing to compare the viscosity height, can produce more big percent ripple defective, this is an important difficult problem of prior art.It is expected drawing the control of thin viscosity temperature in scope preferably, thickness is big again but because the temperature of the last operation glass ribbon of prior art is low, and prior art all must bring up and down to the temperature of glass zone face by strengthening that temperature head is bigger, make product the big quality difficult problem of percent ripple occur thereby can not suddenly heat on the glass metal technology of bottom; And since technology of the present invention in glass ribbon from enter the tin face, to shakeout, to the polishing operation stage, temperature than prior art exceed when the same product tens on Baidu, again because of technical solution of the present invention because the moulding of front, glass ribbon self temperature is just much high than prior art glass ribbon when dropping down flat, polishing process, and the thermal conductivity of tin liquor is the hundreds of times of glass, so, entering when drawing thin technology, can not need special top to heat; Again because the plane temperature difference equilibrium of the upper and lower table of technical solution of the present invention glass ribbon, self temperature height of glass zone face, top and bottom have a narrow range of temperature, and thickness is again little, draws thin difference littler, just can overcome the technology difficult problem of prior art.
6, because the present invention enters the equilibrium thickness that glass ribbon shakeouts is 1mm-to 5mm; Than traditional 6mm-7mm, the equilibrium thickness that glass ribbon of the present invention shakeouts is wanted thin 6 to 7 times; For example: the equilibrium thickness 6mm-7mm that shakeouts by traditional glass ribbon draws 10 times of the thin 0.7mm of being to draw thin rate relatively, 10 times of the equilibrium thickness 0.1mm-2mm that glass ribbon of the present invention shakeouts are drawn thin rate meter, comprehensive other measure more is conducive to draw the thin ultrathin electronics float glass of described 0.1mm to 0.2MM that obtains.Solved the electronic glass technology that the float glass process technology is arranged earlier, more basic can not doing only is 0.1mm to 0.2mm thickness, and its product Zhi can be stabilized in the technical barrier of the float glass process electronic glass in 20mm is no more than 0.15 micron apart from percent ripple the level again; Produce unforeseeable technique effect, represented the technology trend of the following float glass process technology of the lightening technical development of ultra-thin electronic glass.
7, because flow into the tin kiln, shakeout, polish, draw in 4 thin operation stages at the glass metal with a kind of composition, technical scheme of the present invention and process system are more much lower than prior art floating process system viscosity, can be between the edge machine and the velocity contrast between edge machine and the drawing machine, control the drawing amount better, reaching increases the drawing amount under the same appointed condition, reach the target that increases the output of float glass under the high-quality prerequisite.
Summarize it, prior art never discloses and disclosed the process unit technical scheme of the above-mentioned glasswork production line of the present invention and the system of new glass ware forming technology; The system of the process unit technical scheme of the system of the innovation of especially new float glass and new float shaping technology;
Prior art never discloses and disclosed, the system of the process unit technical scheme of the glasswork production line of innovation of the present invention and new glass ware forming technology, the process unit technical scheme of especially new float glass system and the system of float shaping technology, what overcome that aforesaid various prior art prejudice produces gives unexpectedly technique effect;
And these technical schemes, the various prior art prejudice that overcome, what produce gives unexpectedly technique effect, has especially also represented the process unit technical scheme at the glasswork production line, in the especially new float glass, those recrystallization temperatures is higher than conventional 10 3.0It is low that handkerchief mold temperature second has viscosity temperature again, intensity height, the new trend of the system development of the process unit of the system of the floating process of the glass material that thermal expansivity character is good and the moulding process of glass.
The topmost technical problem that the present invention solves is to make recrystallization temperature be higher than conventional 10 3The glass material of handkerchief mold temperature second, especially those recrystallization temperatures are higher than conventional 10 3Handkerchief mold temperature second to have a viscosity temperature low, the intensity height, the glass material that thermal expansivity character is outstanding, because the technical guarantee of the glass production device of innovation, it is low both can stable production to have viscosity temperature, the intensity height, the high performance glass material that thermal expansivity is low, again can stable production having not can devitrification and the glass material of the high light transmission rate quality of crystallization, as: the float flat glass goods, lattice method sheet glass goods, overflow downdraw sheet glass goods, rolling process sheet glass goods, fiberglass products, the trombone slide glasswork, the pressed glass goods, the blow-molded glass goods.
So technical solution of the present invention has represented the process unit of above-mentioned various high-performance glass goods and the new development trend of moulding process system.
And the system technical scheme of the moulding process of the process unit technical scheme of especially new float glass and float glass has also represented ultra-thin electronic glass to the new trend of the system development of lightening more high-quality process unit and moulding process;
So it is technical scheme of the present invention has especially been broken the unforeseeable technical progress effect that traditional technology prejudice and this technical scheme produce, neither the insider apparent; The present invention has disclosed the process unit technical scheme of a kind of new glasswork production line that is never disclosed or disclose by prior art, the technical scheme of the process unit technical scheme of the system of especially new float glass and the moulding process system of float glass, and having produced unforeseeable technique effect, the simple reasoning from logic of usefulness that neither a kind ofly afterwards think or simple experiment just can draw; All be that people thirst for solving and the never solution of the technical barrier of solution; The variation of " matter " and " amount " that unforeseeable effect has produced, the present invention program is non-obvious, has outstanding substantive distinguishing features and significant technical progress.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. the production unit of a glass comprises: (1) mixing device, described mixing device are used for the hybrid glass raw material; (2) melting appartus, described melting appartus are used for the frit after melt-blended, and discharge the bubble of glass metal; (3) cooling work part device, described cooling work part device are used for glass metal is carried out homogenizing and clarification and cooling, and described cooling work part device is characterised in that: wherein lower floor is equipped with 2 to 100 phase mutual edge distances electricity heating device that is 0.2m to 6m and measures temperature device; (4) shaped device, be used for the glass metal of cooling is made glasswork.
Wherein, described middle lower floor refers to that cooling work portion glass metal cavity upwards measures 0 to 80% part from the bottom.
2. the production unit of glass according to claim 1 is characterized in that: electricity heating device and mensuration temperature device that it is 0.2m to 4m to 100 phase mutual edge distances that the middle lower floor of described cooling work part device is equipped with 6 to 100 or 20.
3. the production unit of glass according to claim 1, it is characterized in that: the middle lower floor of cooling work part device by the range position in the 0.1m to 1.5m of the corner on the left side of shaped device direction or the right, the electricity heating device is installed and measures temperature device; The middle lower floor of described melting appartus is equipped with 2 the electricity heating device and the mensuration temperature devices that are 0.2m to 4m to 100 phase mutual edge distances.
Wherein, described middle lower floor refers to that melting appartus glass metal cavity upwards measures 0 to 80% part from the bottom.
4. the production unit of glass according to claim 1, it is characterized in that: described cooling work part device has following several selection:
The cooling work part device of selection 1, sheet glass production usefulness;
Select 2, the cooling work portion of glass fibre production usefulness or cool off big flow passage device;
Cooling work portion or the big duct device of cooling flow of selection 3, trombone slide glasswork production usefulness;
The cooling work portion that select 4, the pressed glass production of articles is used or cool off big flow passage device;
The cooling work portion that select 5, the blow-molded glass production of articles is used or cool off big flow passage device.
5. the production unit of glass according to claim 1, it is characterized in that: described shaped device has following several selection:
The tin kiln float glass process shaped device of selection 1, float flat glass production usefulness;
The lattice method shaped device of selection 2, lattice method sheet glass production usefulness;
The overflow down draw shaped device of selection 3, overflow downdraw sheet glass production usefulness;
The calendering formation device of selection 4, rolling process sheet glass production usefulness;
Refractory metal plate and the high-speed stretch shaped device of the porous of selection 5, glass fibre production usefulness;
Die orifice and the tensioning system trombone slide shaped device of selection 6, trombone slide glasswork production usefulness;
The compacting tool set formation system device that selection 7, pressed glass production of articles are used;
The blowing mould formation system device that selection 8, blow-molded glass production of articles are used.
6. the production unit of glass according to claim 1, it is characterized in that: a kind of float glass process production unit of glass is characterized in that comprising:
Mixing device, described mixing device hybrid glass raw material;
Melting appartus, the frit after described melting appartus is melt-blended, and the bubble of discharge glass metal;
Cooling work portion, described cooling work portion carries out homogenizing and clarification and cooling to glass metal, and the middle lower floor of described cooling work portion is equipped with 2 to 100 phase mutual edge distances electricity heating device that is 0.2m to 4m and measures temperature device; Range position in the 0.1m to 1.5m of the left side of close described tin kiln one side of the middle lower floor of described cooling work portion or the corner on the right is equipped with the electricity heating device and measures temperature device;
The tin kiln, described tin kiln shakeouts glass metal, polish, and draws the thin glass ribbon of making;
Wherein, described middle lower floor refers to that cooling work portion glass metal cavity upwards measures 0 to 80% part from the bottom.
7. according to the production unit of claim 1,6 described glass, it is characterized in that: described tin kiln is connected to described cooling work part device by a diversion trench, in vertical 0.5m distance in the horizontal exit of the folder mouth of this diversion trench, transverse row is shown 2-10 electric heater unit and is measured temperature device, and the Guang of the folder mouth of diversion trench is 1-3m to the width in exit.
8. according to the production unit of claim 1,6 described glass, it is characterized in that: pull with the throttling lock at the safety brake in described tin kiln float glass process shaped device the place ahead and pull on the limit, also respectively be provided with 2-10 electric heater unit and measure temperature device; In the described tin kiln float glass process shaped device, two sides before edge machine have the device of being made by graphite, have 3-5 cooling water packing to put again.
9. according to the moulding technique of the production unit of the described glass of claim 1--8, it is characterized in that: glass metal enter 0.5 to 9m before the formation system device apart from the time temperature, be higher than 20 ℃ to 150 ℃ of the recrystallization temperatures of glass material; Glass metal is 10 from the temperature-viscosity that the cooling work part device enters the formation system device 2.0Handkerchief second to 10 2.9Handkerchief second.
10. according to the moulding technique of the production unit of the described glass of claim 1--8, it is characterized in that: in the described tin kiln float glass process shaped device, the equilibrium thickness that glass ribbon shakeouts is 1-5MM; The temperature-viscosity that glass ribbon shakeouts is 10 2.2Handkerchief second to 10 3.9Handkerchief second.
CN 201310161605 2012-06-05 2013-05-06 Glass production device and forming process method Withdrawn CN103232151A (en)

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WO2015081604A1 (en) * 2013-12-06 2015-06-11 杨德宁 Plate glass produced by process for preventing crystallization in cooling part
WO2015081602A1 (en) * 2013-12-06 2015-06-11 杨德宁 Glass fibre produced by method for preventing crystallization in cooling part
WO2015081605A1 (en) * 2013-12-06 2015-06-11 杨德宁 Glassware produced by process for preventing crystallization in cooling part
WO2015081603A1 (en) * 2013-12-06 2015-06-11 杨德宁 Float plate glass produced by process for forming ultra-thin glass
WO2015081601A1 (en) * 2013-12-06 2015-06-11 杨德宁 Device for preventing crystallization in area of cooling part in glass process and processing method for preventing crystallization
CN106219947A (en) * 2015-06-02 2016-12-14 杨德宁 The float flat glass that a kind of ultra-thin glass moulding process produces
CN106802976A (en) * 2016-12-12 2017-06-06 中国建材国际工程集团有限公司 Defects in float glass simulative debugging method and system

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GB8402297D0 (en) * 1984-01-28 1984-02-29 Asahi Glass Co Ltd Glass
US4906272A (en) * 1989-04-17 1990-03-06 Corning Incorporated Furnace for fining molten glass
DE19924521C2 (en) * 1999-05-28 2003-04-30 Schott Glas Process for melting glass
CN103466957B (en) * 2010-03-18 2017-02-01 杨德宁 Enameled sheet glass, and preparation method and composite board thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015081604A1 (en) * 2013-12-06 2015-06-11 杨德宁 Plate glass produced by process for preventing crystallization in cooling part
WO2015081602A1 (en) * 2013-12-06 2015-06-11 杨德宁 Glass fibre produced by method for preventing crystallization in cooling part
WO2015081605A1 (en) * 2013-12-06 2015-06-11 杨德宁 Glassware produced by process for preventing crystallization in cooling part
WO2015081603A1 (en) * 2013-12-06 2015-06-11 杨德宁 Float plate glass produced by process for forming ultra-thin glass
WO2015081601A1 (en) * 2013-12-06 2015-06-11 杨德宁 Device for preventing crystallization in area of cooling part in glass process and processing method for preventing crystallization
CN106219947A (en) * 2015-06-02 2016-12-14 杨德宁 The float flat glass that a kind of ultra-thin glass moulding process produces
CN106802976A (en) * 2016-12-12 2017-06-06 中国建材国际工程集团有限公司 Defects in float glass simulative debugging method and system
CN106802976B (en) * 2016-12-12 2020-04-17 中国建材国际工程集团有限公司 Float glass defect simulation debugging method and system

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