CN105189376A - Float glass manufacturing device and float glass manufacturing method - Google Patents

Float glass manufacturing device and float glass manufacturing method Download PDF

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Publication number
CN105189376A
CN105189376A CN201480016342.0A CN201480016342A CN105189376A CN 105189376 A CN105189376 A CN 105189376A CN 201480016342 A CN201480016342 A CN 201480016342A CN 105189376 A CN105189376 A CN 105189376A
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CN
China
Prior art keywords
brick
float glass
glass manufacturing
manufacturing device
molten metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201480016342.0A
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Chinese (zh)
Inventor
三浦丈宜
伴信之
楠木康裕
市川雄司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AGC Inc
Original Assignee
Asahi Glass Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Publication of CN105189376A publication Critical patent/CN105189376A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B18/00Shaping glass in contact with the surface of a liquid
    • C03B18/02Forming sheets
    • C03B18/16Construction of the float tank; Use of material for the float tank; Coating or protection of the tank wall
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B18/00Shaping glass in contact with the surface of a liquid
    • C03B18/02Forming sheets
    • C03B18/20Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B18/00Shaping glass in contact with the surface of a liquid
    • C03B18/02Forming sheets
    • C03B18/20Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath
    • C03B18/22Controlling or regulating the temperature of the atmosphere above the float tank
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00Casings; Linings; Walls; Roofs

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Glass Compositions (AREA)

Abstract

Provided is a float glass manufacturing device provided with a bath for holding molten metal, and with which molten glass that is continuously supplied onto the molten metal in the bath is formed by causing the molten glass to flow over the molten metal, wherein the bath includes the following: a metal casing that opens upwards; side bricks that protect a side part of the metal casing from the molten metal; and eaves that extend from at least a portion of the side part of the metal casing to the area above at least a portion of the side bricks.

Description

Float glass manufacturing device and float glass making process
Technical field
The present invention relates to float glass manufacturing device and float glass making process.
Background technology
Float glass manufacturing device possesses the bath holding molten metal, and the melten glass supplied continuously on the molten metal in bath is flowed on molten metal forming shape is band plate-like (for example, see patent documentation 1).Bath such as comprises the metal shell, the side brick that affect from molten metal of sidepiece of protection metal shell and the end brick of protecting the bottom of metal shell to affect from molten metal that open wide top.Above bath, be configured with top board, and be provided with the side seal part in the gap between blocking top board and side brick removably.Further, in order to prevent the oxidation of the molten metal in bath, the top of molten metal forms reducing atmosphere.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2010-53031 publication
Summary of the invention
Invent problem to be solved
Gap between side brick and top board side seal part blocks, but is difficult to block completely, sometimes has extraneous gas and enters.Extraneous gas is cold and heavy, therefore can flow through downwards between the sidepiece of metal shell and side brick, roundaboutly enters between the bottom of metal shell and end brick, makes molten metal be oxidized from below.
The present invention completes in view of the above problems, and its object is to provides a kind of float glass manufacturing device that can suppress the oxidation of molten metal.
For the means of dealing with problems
In order to solve the problem, according to a mode of the present invention, provide a kind of float glass manufacturing device, it possesses the bath holding molten metal, the melten glass that molten metal in this bath supplies continuously is flowed on above-mentioned molten metal and forms shape, wherein
Above-mentioned bath comprises the side brick that affects from above-mentioned molten metal of sidepiece of metal shell and this metal shell of protection opened wide top, also comprise from the sidepiece of above-mentioned metal shell at least partially to the eaves portion that the top at least partially of above-mentioned side brick extends.
Invention effect
According to the present invention, provide the float glass manufacturing device of the oxidation that can suppress molten metal.
Accompanying drawing explanation
Fig. 1 is the sectional view of the float glass manufacturing device illustrated based on one embodiment of the present invention.
Fig. 2 is the sectional view of a part for the building mortion of the II-II line illustrated along Fig. 1.
Fig. 3 is the vertical view of the sidepiece of the bath that Fig. 2 is shown.
Fig. 4 is the amplification plan view of the upstream end thereof of the building mortion of Fig. 1, is the amplification plan view that the state after taking down eaves portion is shown.
Fig. 5 is the amplification plan view of the upstream end thereof of the building mortion of Fig. 1, is the amplification plan view that the state being provided with eaves portion is shown.
Fig. 6 is the sectional view of a part for the building mortion of the VI-VI line illustrated along Fig. 5.
Fig. 7 is the sectional view of the bottom that metal shell in other embodiment of the present invention is shown.
Embodiment
Below, see accompanying drawing, embodiments of the present invention are described.It should be noted that, in following accompanying drawing, give identical or corresponding symbol to identical or corresponding formation, and omit the description.
Fig. 1 is the sectional view of the manufacturing installation of the sheet glass illustrated based on one embodiment of the present invention.As shown in Figure 1, float glass manufacturing device 100 possesses melting appartus 200, building mortion 300, annealing device 400.
Frit 10 melts and makes melten glass 12 by melting appartus 200.Melting appartus 200 possesses the melting channel 210 holding melten glass 12 and the burner 220 forming flame above the melten glass 12 be contained in melting channel 210.The frit 10 be fed in melting channel 210 is fused in melten glass 12 at leisure by the flame radiation heat formed from burner 220.
The melten glass 12 supplied by melting appartus 200 is configured as the glass ribbon 14 of band plate-like by building mortion 300.Building mortion 300 possesses the bath 310 holding molten metal 16, and the melten glass 12 supplied continuously on molten metal 16 via feedway 350 being flowed on molten metal 16 and forms shape is band plate-like.Melten glass 12 downstream flowing is on one side while be configured as the thickness of slab of regulation, Slow cooling, hardening gradually.The glass ribbon 14 that is shaped thus is raised from molten metal 16 at the downstream portion of bath 310, pulls out from building mortion 300.
Molten metal 16 is preferably molten tin or molten tin alloy, is more preferably molten tin.
Annealing device 400 is while transport glass ribbon 14 downstream that is shaped by building mortion 300 continuously while anneal.Annealing device 400 possesses the transport roller 410 etc. of being carried out along level by glass ribbon 14 transporting.The glass ribbon 14 pulled out from annealing device 400 to be cut into the size of regulation by cutting machine, obtain the sheet glass as product.
Fig. 2 is the sectional view of a part for the building mortion of the II-II line illustrated along Fig. 1.As shown in Figure 2, building mortion 300 possesses the bath 310 holding molten metal 16, the top board 320 being arranged at the top of bath 310 and blocks the side seal part 330 etc. in the gap between bath 310 and top board 320.
Bath 310 comprises the metal shell 312, multiple sides brick 315 of affect from molten metal 16 of sidepiece 313 of protection metal shell 312 and the brick of multiple ends 316 of protecting the bottom 314 of metal shell 312 to affect from molten metal 16 that open wide top.Multiple sides brick 315 and brick of multiple ends 316 are layed on the bottom 314 of metal shell 312.
Metal shell 312 is by the bottom 314 of horizontal arrangement and form from the sidepiece 313 that the outer rim of bottom 314 extends upward.Metal shell 312 is made up of multiple metal sheet, and the plurality of metal sheet is integrated by welding.Metal shell 312 is cooled from outside, and the temperature of metal shell 312 is set as the temperature lower than the fusing point (being such as about 232 DEG C when tin) of the metal be contained in bath 310.The leakage of molten metal 16 can be suppressed.
The gap location formed between the sidepiece 313 and side brick 315 of metal shell 312 can be filled with such as Powdered heat-stable material.The molten metal 16 of inflow side brick 315 seam each other (see Fig. 3) and the contact of metal shell 312 can be prevented, the deterioration of metal shell 312 can be suppressed.
The bottom 314 of metal shell 312 is equipped with the concavo-convex liner 317 absorbing bottom 314, liner 317 loads side brick 315 or end brick 316.Therefore, between the bottom 314 of metal shell 312 and side brick 315 or end brick 316, small gap is formed with.
Top board 320 comprise the metal ceiling housing 322 of opened downward, the multiple sidewalls 325 arranged at the sidepiece 323 of ceiling housing 322 and and the top plate portion 324 of ceiling housing 322 vacate interval and the multiple ceiling bricks 326 arranged.Multiple ceiling brick 326 can utilize and keep from the not shown framework the top plate portion 324 of ceiling housing 322 hangs.
Ceiling housing 322 is by the top plate portion 324 of horizontal arrangement and form from the sidepiece 323 that the outer rim of top plate portion 324 extends downwards.Ceiling housing 322 is made up of multiple metal sheet, and the plurality of metal sheet is integrated by welding.
The preheating space 327 reducing gas being carried out to preheating is formed between the top plate portion 324 and ceiling brick 326 of ceiling housing 322.Utilize the reducing gas after preheating space 327 preheating to be supplied to formingspace 329 through the gas supply road 328 being formed at ceiling brick 326 place, this formingspace 329 is formed between ceiling brick 326 and molten metal 16.
Reducing gas such as comprises the hydrogen of 1 ~ 15 volume %, the nitrogen of 85 ~ 99 volume %.Reducing gas and the extraneous gas be mixed in formingspace 329 (being specifically oxygen) water generation reaction steam, suppress the oxidation of molten metal 16 thus.
In order to suppress being mixed into of extraneous gas, formingspace 329 is formed higher than atmospheric air pressure.
Well heater 340 is inserted through the gas supply road 328 formed at ceiling brick 326 place.Well heater 340 is vacated compartment of terrain respectively at the flow direction of melten glass 12 and the width of melten glass 12 and is provided with multiple.Control the temperature of melten glass 12 is reduced from upstream side to downstream side to the output of well heater 340.In addition, control to make the thickness of melten glass 12 become even in the direction of the width to the output of well heater 340.
In order to simplify the upkeep operation of building mortion 300, side seal part 330 is arranged between the side brick 315 of bath 310 and top board 320 removably.Side seal part 330 is made up of metal case, can have hollow structure.
Side seal part 330 blocks the gap between side brick 315 and top board 320.Such as, but be difficult to block completely, the minim gap place formed between side seal part 330 and side brick 315 has extraneous gas to invade.
Therefore, in order to regulate the flowing of invaded extraneous gas, bath 310 possesses the eaves portion 318 that the top from the sidepiece 313 of metal shell 312 to side brick 315 extends.Eaves portion 318 can be arranged at sidepiece 313 place of the left and right sides of metal shell 312 respectively, also can arrange to downstream portion from the upstream portion of the sidepiece 313 of metal shell 312 always.It should be noted that, eaves portion 318 also only can be arranged at a part for the sidepiece 313 of metal shell 312.
Eaves portion 318 can be made up of the protuberance 318b of the junction surface 318a being engaged in the sidepiece 313 of metal shell 312 by welding etc. and the tabular of giving prominence to from junction surface 318a level.The sidepiece 313 of protuberance 318b covering metal housing 312 and the gap of side brick 315, the top to side brick 315 extends.Side brick 315 loads protuberance 318b, protuberance 318b loads side seal part 330.
Cold and the heavy extraneous gas that eaves portion 318 prevents from invading between eaves portion 318 and side seal part 330 downward, prevents extraneous gas from entering along metal shell 312 is roundabout.This is because metal shell 312 is cooled to the temperature lower than the fusing point of the metal be contained in bath 310, therefore near metal shell 312, the reaction of oxygen and hydrogen is carried out hardly.
Eaves portion 318 by invade between eaves portion 318 and side seal part 330 cold and heavy extraneous gas along protuberance 318b to horizontally-guided, draw away from the sidepiece 313 of metal shell 312.Extraneous gas is warmed to the temperature that oxygen and hydrogen react by the heat from side seal part 330, side brick 315 etc.Therefore, hydrogen contained in oxygen contained in extraneous gas and reducing gas reacts and generates water vapour, and the concentration reduction of oxygen, can suppress the oxidation of molten metal 16.
Due to oxygen and hydrogen reaction in fact starting temperature be about 585 DEG C, therefore the temperature of the leading section (being right part in Fig. 2) of protuberance 318b is preferably more than 585 DEG C.The temperature of the leading section of protuberance 318b is more preferably more than 600 DEG C, more preferably more than 620 DEG C.It should be noted that, as long as protuberance 318b at least covers sidepiece 313 and the gap of side brick 315, extraneous gas just can be suppressed to the direct intrusion in this gap.
It should be noted that, the temperature of the base end part (being left part in Fig. 2) of protuberance 318b can for the temperature with the temperature equal extent of the sidepiece 313 of metal shell 312, also can be contained in the lower temperature of the fusing point (being such as about 232 DEG C when tin) of the metal in bath 310 for specific volume.
The temperature head of the leading section of protuberance 318b and the base end part of protuberance 318b is more than 350 DEG C.In order to suppress the distortion of the protuberance 318b caused because of this temperature head, slit 319 can be provided with at protuberance 318b place.
Fig. 3 is the vertical view of the sidepiece of the bath that Fig. 2 is shown.As shown in Figure 3, slit 319 can extend by the base end part (being left part in Fig. 3) from the leading section of the high temperature of protuberance 318b (being right part Fig. 3) to the low temperature of protuberance 318b.The leading section of the high temperature of protuberance 318b is split into multiple block, and block separates with slit 319 each other.Slit 319 absorbs the thermal expansion of each block, the distortion of restraining outburst portion 318b.Extraneous gas can be suppressed from the intrusion between protuberance 318b and side seal part 330.
Slit 319 can be vacated compartment of terrain in the length direction of protuberance 318b (direction parallel with the flow direction of melten glass 12) and be provided with multiple.If the quantity of slit 319 is many, the length of slit 319 is long, then the distortion of protuberance 318b is easily suppressed, and on the other hand, the reaction of extraneous gas and hydrogen is difficult to carry out.The quantity of slit 319, the length of slit 319 are to take into account the effect of the distortion of restraining outburst portion 318b and to suppress the mode of the effect of the oxidation of molten metal 16 to set.
As shown in Figure 3, under overlooking, slit 319 preferably overlaps with side brick 315 and does not overlap with the sidepiece 313 of metal shell 312 and the gap of side brick 315.Extraneous gas can be suppressed to the intrusion in this gap.
Then, see Fig. 1, Fig. 2, Fig. 4 ~ Fig. 6, feedway 350 is described.Fig. 4 is the amplification plan view of the upstream end thereof of the building mortion of Fig. 1, is the amplification plan view that the state after taking down eaves portion is shown.Fig. 5 is the amplification plan view of the upstream end thereof of the building mortion of Fig. 1, is the amplification plan view that the state being provided with eaves portion is shown.Fig. 6 is the sectional view of a part for the building mortion of the VI-VI line illustrated along Fig. 5.
Feedway 350 is arranged at the upstream end thereof of bath 310, on the molten metal 16 in bath 310, supply melten glass 12.Feedway 350 is controlled flashboard (tweel) 356 and jack arch 358 etc. formed by runner exit labial lamina (spoutlip) 352, a pair lateral column (sidejamb) 354, supporting brick 355, runner.
As shown in Figure 1, runner exit labial lamina 352 integrally has horizontal part and is tilted to the rake of downward-extension from the downstream end of horizontal part.The melten glass 12 flowed through on runner exit labial lamina 352 is fed in bath 310 from the downstream end of rake.
As shown in Figure 6, a pair lateral column 354 prevents the melten glass 12 flowed through on runner exit labial lamina 352 to be spilled over to outside width.Lateral column 354 is placed on runner brick 315c via supporting brick 355.On a pair lateral column 354, erection has jack arch 358.
As shown in Figure 1, runner controls flashboard 356 and gives prominence to downwards from jack arch 358, is inserted between a pair lateral column 354.Runner controls flashboard 356 and moves freely at above-below direction relative to runner exit labial lamina 352.The melten glass 12 of the flow that supply is corresponding with the size being controlled the opening portion that flashboard 356 surrounds by runner exit labial lamina 352, a pair lateral column 354 and runner in bath 310.
Then, refer again to Fig. 1, Fig. 2, Fig. 4 ~ Fig. 6, the configuration in eaves portion 318 is described.First, the formation of metal shell 312 is described.
The sidepiece 313 of metal shell 312 comprises a pair outside wall portions 313a (see Fig. 2), a pair inlet portion 313b (see Fig. 4), flow path portion 313c (see Fig. 1, Fig. 4, Fig. 6) and export department 313d (see Fig. 1).
A pair outside wall portions 313a is configured at outside the width of the flowing of melten glass 12.A pair outside wall portions 313a clips the flowing of melten glass 12 and configures, along melten glass 12 flowing and formed.As shown in Figure 4, a pair inlet portion 313b extends inside width from the upstream extremity of a pair outside wall portions 313a, is vertical relative to the flowing of melten glass 12.As shown in Figure 4, flow path portion 313c upstream gives prominence to side from a pair inlet portion 313b, is connected to each other by a pair inlet portion 313b.The downstream end of a pair outside wall portions 313a is connected to each other by export department 313d, is vertical relative to the flowing of melten glass 12.
Side brick 315 comprises outer nogging 315a (see Fig. 2), the entrance brick 315b (see Fig. 4) of protection inlet portion 313b, the protection runner brick 315c (see Fig. 1, Fig. 4, Fig. 6) of flow path portion 313c and the outlet brick 315d (see Fig. 1) of protection exit portion 313d of protection outside wall portions 313a.
As shown in Figure 2, eaves portion 318 can at least extend from the top of the outside nogging 315a of outside wall portions 313a.
As shown in Figure 5, eaves portion 318 can at least extend from inlet portion 313b to the top of entrance brick 315b.In this case, eaves portion 318 covers the part being at least exposed to extraneous gas in the upper surface of entrance brick 315b.
As shown in Figure 5 and Figure 6, eaves portion 318 can at least extend from flow path portion 313c to the top of runner brick 315c.In this case, eaves portion 318 can cover the part being at least exposed to extraneous gas in the upper surface of runner brick 315c, is inserted into as shown in Figure 6 between runner brick 315c and supporting brick 355.
Eaves portion 318 can at least extend from the export department 313d shown in Fig. 1 to the top of outlet brick 315d.
In addition, eaves portion 318 can be arranged at the whole periphery of bath 310.It should be noted that, eaves portion 318 can extend from a part for the sidepiece 313 of metal shell 312 to the top at least partially of side brick 315.Now, eaves portion 318 preferably at least sidepiece 313 and the side brick 315 of covering metal housing 312 gap, preferably cover the part being exposed to extraneous gas of side brick 315 further.
Fig. 7 is the sectional view of the bottom that metal shell in other embodiment of the present invention is shown.The bottom 314 of metal shell 312 is equipped with liner 317, uploads bottom set brick 316 at liner 317.Therefore, between the bottom 314 and end brick 316 of metal shell 312, minim gap space 360 is formed with.
In addition, multiple gas introduction port 362 is offered to make to be communicated with clearance space 360 in the bottom 314 of metal shell 312, be provided with gas introduction tube 364 in the bottom of gas introduction port 362, gas introduction tube 364 is connected with gas leading-in device (not shown).Gas introduction tube 364 grade is utilized to form gas introducing mechanism.
Gas introducing mechanism imports gas from gas introduction port 362 to clearance space 360.Thus, clearance space 360 can keep the pressure higher than formingspace 329, and extraneous gas can be prevented to the intrusion of clearance space 360.The gas imported can be rare gas element or reducing gas.As rare gas element, such as nitrogen (N can be enumerated 2), argon gas (Ar) etc.In addition, as reducing gas, such as hydrogen (H can be enumerated 2), the mixed gas etc. of acetylene, these gases and rare gas element, also can be and the same or similar gas of reducing gas supplied to formingspace 329.
Gas introducing mechanism can change kind and ratio of mixture, pressure, the flow of gas.Such as, gas introducing mechanism can rinse, and namely temporarily increases gas flow thus is displaced by the extraneous gas invaded to clearance space 360.
It should be noted that, the gas introducing mechanism of present embodiment imports gas from the gas introduction port 362 of bottom 314 to clearance space 360, but also can lead mouth from the gas of sidepiece 313 and import gas to the gap be formed between sidepiece 313 and side brick 315.
Above, the embodiment of float glass manufacturing device and float glass making process is illustrated, but the present invention is not defined in above-mentioned embodiment.In the scope of the purport of the present invention recorded in detail in the claims, various distortion, improvement can be carried out.
Such as, the eaves portion 318 of above-mentioned embodiment is placed on side brick 315, but also can extend to the top of side brick 315, can also not contact with side brick 315.Also can be extraneous gas by warm fully before flowing into the gap between eaves portion 318 and side brick 315, major part oxygenous in extraneous gas and hydrogen reaction and become water vapour.
The Japanese publication 2013-057888 CLAIM OF PRIORITY that the application proposed to Japan Office based on March 21st, 2013, introduces the full content of No. 2013-057888, Japanese publication in the application.
Nomenclature
12 melten glass
14 glass ribbons
16 molten metals
100 float glass manufacturing devices
200 melting appartus
300 building mortions
310 baths
312 metal shells
313 sidepieces
313a outside wall portions
313b inlet portion
313c flow path portion
313d export department
Bottom 314
315 side bricks
The outer nogging of 315a
315b entrance brick
315c runner brick
315d exports brick
316 end bricks
318 eaves portions
319 slits
320 top boards
330 side seal parts
340 well heaters
350 feedwaies
352 runner exit labial laminas
354 runners control flashboard
355 supporting bricks
356 lateral columns
358 jack arch
360 clearance spaces
362 gas introduction ports
364 gas introduction tubes
400 annealing devices

Claims (12)

1. a float glass manufacturing device, it possesses the bath holding molten metal, the melten glass that the molten metal in this bath supplies continuously is flowed on described molten metal and forms shape, wherein,
Described bath comprises the side brick that affects from described molten metal of sidepiece of metal shell and this metal shell of protection opened wide top, also comprise from the sidepiece of described metal shell at least partially to the eaves portion that the top at least partially of described side brick extends.
2. float glass manufacturing device as claimed in claim 1, wherein,
The sidepiece of described metal shell comprises: a pair outside wall portions configured outside the width of the flowing of described melten glass, a pair inlet portion extended inside width from the upstream extremity of described a pair outside wall portions, from described a pair inlet portion upstream outstanding and flow path portion that is that be connected to each other by described a pair inlet portion in side and export department of the downstream end of described a pair outside wall portions being connected to each other.
3. float glass manufacturing device as claimed in claim 2, wherein,
Described side brick comprises the outer nogging that the described outside wall portions of protection affects from described molten metal,
Described eaves portion at least extends from described outside wall portions to the top of described outer nogging.
4. float glass manufacturing device as claimed in claim 2 or claim 3, wherein,
Described side brick comprises the entrance brick that the described inlet portion of protection affects from described molten metal,
Described eaves portion at least extends from described inlet portion to the top of described entrance brick.
5. the float glass manufacturing device according to any one of claim 2 ~ 4, wherein,
Described side brick comprises the outlet brick that the described export department of protection affects from described molten metal,
Described eaves portion at least extends from described export department to the top of described outlet brick.
6. the float glass manufacturing device according to any one of claim 2 ~ 5, wherein,
Described side brick comprises the runner brick that the described flow path portion of protection affects from described molten metal,
Described eaves portion at least extends from described flow path portion to the top of described runner brick.
7. the float glass manufacturing device according to any one of claim 1 ~ 6, wherein, described eaves portion is arranged at the whole periphery of described bath.
8. the float glass manufacturing device according to any one of claim 1 ~ 7, wherein, is formed with slit in described eaves portion.
9. the float glass manufacturing device according to any one of claim 1 ~ 8, wherein,
Described metal shell is provided with at least one gas introduction port,
This float glass manufacturing device possesses gas introducing mechanism, and the gap formed between the brick that this gas introducing mechanism affects from described gas introduction port to the described metal shell of protection from described molten metal and described metal shell imports gas.
10. float glass manufacturing device as claimed in claim 9, wherein, described gas is rare gas element or reducing gas.
11. float glass manufacturing devices as described in claim 9 or 10, wherein,
Described gas introduction port is arranged at the bottom of described metal shell, and the gap between the bottom and end brick of described metal shell imports gas.
12. 1 kinds of float glass making process, it has the operation using the float glass manufacturing device according to any one of claim 1 ~ 11 to be shaped by melten glass.
CN201480016342.0A 2013-03-21 2014-03-18 Float glass manufacturing device and float glass manufacturing method Pending CN105189376A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013057888A JP2016104676A (en) 2013-03-21 2013-03-21 Float glass manufacturing apparatus and float glass manufacturing method
JP2013-057888 2013-03-21
PCT/JP2014/057399 WO2014148510A1 (en) 2013-03-21 2014-03-18 Float glass manufacturing device and float glass manufacturing method

Publications (1)

Publication Number Publication Date
CN105189376A true CN105189376A (en) 2015-12-23

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Application Number Title Priority Date Filing Date
CN201480016342.0A Pending CN105189376A (en) 2013-03-21 2014-03-18 Float glass manufacturing device and float glass manufacturing method

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JP (1) JP2016104676A (en)
KR (1) KR20150135263A (en)
CN (1) CN105189376A (en)
TW (1) TW201444773A (en)
WO (1) WO2014148510A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2697425T3 (en) * 2015-11-25 2019-01-23 Air Liquide Procedure of production of floating glass, and installation
WO2020085297A1 (en) * 2018-10-26 2020-04-30 日本電気硝子株式会社 Glass article manufacturing method

Citations (3)

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Publication number Priority date Publication date Assignee Title
US3583859A (en) * 1964-12-24 1971-06-08 Pilkington Brothers Ltd Method and apparatus for containing of molten metal in a glass sheet float apparatus
CN1170701A (en) * 1996-05-17 1998-01-21 日本板硝子株式会社 Float bath for manufacturing float glass
TW201022165A (en) * 2008-08-28 2010-06-16 Schott Ag Process for producing flat glass and float bath apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3583859A (en) * 1964-12-24 1971-06-08 Pilkington Brothers Ltd Method and apparatus for containing of molten metal in a glass sheet float apparatus
CN1170701A (en) * 1996-05-17 1998-01-21 日本板硝子株式会社 Float bath for manufacturing float glass
TW201022165A (en) * 2008-08-28 2010-06-16 Schott Ag Process for producing flat glass and float bath apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘志海等: "《浮法玻璃生产操作问答》", 31 August 2007 *

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KR20150135263A (en) 2015-12-02
TW201444773A (en) 2014-12-01
WO2014148510A1 (en) 2014-09-25
JP2016104676A (en) 2016-06-09

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Application publication date: 20151223