CN205838831U - Molten glass supply apparatus - Google Patents
Molten glass supply apparatus Download PDFInfo
- Publication number
- CN205838831U CN205838831U CN201620490334.6U CN201620490334U CN205838831U CN 205838831 U CN205838831 U CN 205838831U CN 201620490334 U CN201620490334 U CN 201620490334U CN 205838831 U CN205838831 U CN 205838831U
- Authority
- CN
- China
- Prior art keywords
- glass
- melten glass
- shape portion
- fan shape
- supply apparatus
- 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.)
- Expired - Fee Related
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
- C03B7/01—Means for taking-off charges of molten glass
-
- 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
- C03B5/26—Outlets, e.g. drains, siphons; Overflows, e.g. for supplying the float tank, tweels
- C03B5/265—Overflows; Lips; Tweels
- C03B5/267—Overflows; Lips; Tweels specially adapted for supplying the float tank
-
- 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
-
- 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
- C03B18/16—Construction of the float tank; Use of material for the float tank; Coating or protection of the tank wall
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
Abstract
This utility model provides a kind of heterogeneousization suppressing melten glass the molten glass supply apparatus that can be supplied by good melten glass to float glass forming device.nullOf the present utility model it is characterised by，The peristome of supply pipe (1) is arranged in the position lower than the molten glass level of glass furnace (6) (13)，Supply pipe (1) has the fan shape portion (3) that the peristome (16) towards downstream extends in left-right direction with the angle (θ 3) of regulation，The gradually flattening towards peristome (16) of the cross sectional shape in fan shape portion (3)，The angle of inclination (θ 1) of the upper end (14) in fan shape portion (3) is 5～+2 degree relative to horizontal direction，The angle of inclination (θ 2) of the lower end (15) in fan shape portion (3) is+10～+30 degree relative to horizontal direction，In the case of the width of peristome (16) is set to W，The fan shape portion (3) length L on the transfer direction of melten glass is 0.5W～1.5W.
Description
Technical field
The present invention relates to supply the device of melten glass to the molten metal bath of float glass manufacturing device.
Background technology
In float glass process, utilize melten glass carrying pipe by the melten glass of manufacture in glass furnace to float glass system
The melten glass supply unit transfer of manufacturing apparatus, by being supplied to molten metal by the melten glass being transplanted on this melten glass supply unit
Glass tape is shaped in the molten tin of groove.
Patent Document 1 discloses utilize melten glass carrying pipe by glass furnace manufacture melten glass to
Supply pipe transfer, and utilize this supply pipe to be transferred to the melten glass supply unit of float glass manufacturing device by this melten glass
Device.
As it is shown on figure 3, constitute melten glass transfer device supply pipe 101 have towards melten glass supply unit 105 with
The fan shape portion 103 that the angle of regulation extends in the lateral direction, configures in this part with having up-wards inclination.Thus, exist
It is configured on the melten glass carrying pipe 120 in the portion on the lower that compares relative to the molten glass level 113 of glass furnace 106 and connects
The upstream extremity of supply pipe 101, it is possible to take out the good melten glass of lower layer part.And, melten glass transfer device is utilizing
Supply pipe 101, during melten glass carrying pipe 120 transfers melten glass to melten glass supply unit 105, utilizes supply pipe 101
Up-wards inclination make the bubble being mixed in melten glass move to the upper end side of supply pipe 101 and remove it such that it is able to
To supply to float glass forming device 107 without alveolate good melten glass.
[citation]
[patent documentation]
[patent documentation 1] International Publication the 2011/059096th
[inventing problem to be solved]
But, in the method for patent documentation 1, make to improve volume of production melten glass quantity delivered increase or
The equipment carrying pipe 120 in order to transfer the melten glass of melten glass is saved from damage and is reduced the temperature of melten glass thus melten glass
The pressure loss increase in the case of, between upper end 114 and the melten glass in fan shape portion 103 produce gas-phase space G.Example
As, in the glass composition holding evaporable composition containing boric acid etc., owing to this composition melts from the evaporation of melten glass skin section
Melt glass and produce heterogeneousization, the defects such as brush line (striped) may be produced at the float glass finally given.
Summary of the invention
The present invention makes in view of above-mentioned problem, its object is to provide a kind of heterogeneousization suppressing melten glass can
The molten glass supply apparatus that good melten glass is supplied to float glass forming device.
[for solving the scheme of problem]
The present invention provides a kind of molten glass supply apparatus, it is characterised in that possess: supply pipe, for by melten glass
Transfer to the melten glass supply unit of molten metal bath from melten glass carrying pipe；And gate, with the peristome phase of described supply pipe
It is arranged on the described melten glass supply unit of described molten metal bath over the ground, and for regulation to the melten glass of described molten metal bath
Quantity delivered, the described peristome of described supply pipe is arranged in the position lower than the molten glass level of glass furnace, described confession
To pipe, there is the fan shape portion that the described peristome towards downstream extends in the lateral direction with the angle of regulation, described fan
The cross sectional shape of shape shape portion is gradually flattening, the angle of inclination phase of the upper end in described fan shape portion towards described peristome
Being-5～+2 degree for horizontal direction, the angle of inclination of the lower end in described fan shape portion is+10～+30 relative to horizontal direction
Degree, in the case of the width of described peristome is set to W, described fan shape portion is on the transfer direction of described melten glass
A length of 0.5W～1.5W.
And, the present invention provides a kind of float glass manufacturing device including above-mentioned molten glass supply apparatus.
Additionally, the present invention provides a kind of float glass making process, employ above-mentioned float glass manufacturing device, including:
Frit is heated and obtains the step of melten glass；And described melten glass formed and slow cooling and floated
The step of method glass.
[invention effect]
In accordance with the invention it is possible to heterogeneousization of suppression melten glass, and good melten glass is shaped to float glass
Unit feeding.
Accompanying drawing explanation
Fig. 1 is the section view explanatory diagram of the molten glass supply apparatus of one embodiment of the present invention.
Fig. 2 (A) is the top view of the supply pipe of Fig. 1, and Fig. 2 (B) is the side view observed from the right side of Fig. 2 (A).
Fig. 3 is the section view explanatory diagram of conventional molten glass supply apparatus.
[label declaration]
1,101 supply pipe
2 cylindrical duct
3,103 fan shape portion
4 pars
5,105 melten glass supply unit
6,106 glass furnace
7,107 float glass forming device
8 gates
9 lip tiles
10 molten metal baths
11 molten tin
12 glass tapes
13,113 molten glass level
14,114 upper end
15 lower ends
16 peristomes
17 centrages
20,120 melten glass carrying pipe
G gas-phase space
Detailed description of the invention
Hereinafter, referring to the drawings, the mode for implementing the present invention is described, but the invention is not limited in following enforcement
Mode, can add various deformation and displacement to embodiment disclosed below without departing from the scope of the present invention.
Fig. 1 is the section view explanatory diagram of the molten glass supply apparatus of one embodiment of the present invention, and Fig. 2 (A) is the confession of Fig. 1
To the top view of pipe, Fig. 2 (B) is the side view observed from the right side of Fig. 2 (A).As it is shown in figure 1, obtained by glass furnace 6
And shaped to float glass from melten glass carrying pipe 20 by supply pipe 1 by the melten glass carrying melten glass transferred of pipe 20
The melten glass supply unit 5 of device 7 is transferred, and is supplied to the molten tin 11 of molten metal bath 10 form from melten glass supply unit 5
Shape is the glass tape 12 of band plate-like.More specifically, the melten glass making frit melt in glass furnace 6 and to obtain
And then clarified fully by melten glass carrying pipe 20, and it is cooled to the regulation that can obtain being suitable for the viscosity of the shaping of glass
Temperature after, utilize supply pipe 1 to take out from melten glass carrying pipe 20 and transfer to melten glass supply unit 5.Further, moved
The melten glass that send utilizes the gate 8 being located at melten glass supply unit 5 to adjust melten glass amount, as smooth and thickness is certain
Molten glass layers and flow on the lip tile 9 of melten glass supply unit 5, be supplied to molten metal bath 10 at lip tile 9 overflow
In molten tin 11.
In the present embodiment, although not shown, but melten glass carrying pipe 20 can set up the clarification of melten glass
Device, agitating device.
In the present embodiment, the molten glass level that the peristome 16 of supply pipe 1 is arranged in than glass furnace 6 is (molten
Melt the liquid level of glass) 13 low positions, supply pipe 1 has fan shape portion 3 in side downstream.As shown in Fig. 2 (A), this sector
Shape portion 3 is narrow upstream extremity towards the peristome 16 of downstream with the angle, θ 3 of regulation in left and right from the stream of melten glass
The upper extension in direction (above-below direction of Fig. 2 (A)), and its cross sectional shape is towards peristome 16 gradually flattening.And, fan shape
Towards peristome 16, upper end 14 the most slightly tilts as shown in Figure 1 in portion 3, and lower end 15 tilts the most significantly.By so
Tilt, with the angle of inclination downwards of upper end and the situation phase that size is same degree at the angle of inclination upward of lower end
Ratio, makes the height of the upstream side of supply pipe 1 decline, therefore, it is possible to utilize supply pipe 1 from the melten glass liquid than glass furnace 6
The position taking-up melten glass that face 13 is low.It should be noted that in FIG, upper end 14 the most slightly tilts, but lower end 15
As long as angle of inclination upward is the biggest compared with the angle of inclination of upper end 14, it is possible to so that side slightly up, upper end 14 inclines
Tiltedly.
Generally, molten with than its layer on the lower of the melten glass on the top layer close to molten glass level 13 of glass furnace 6
Melt glass to compare, containing more bubble etc. and due to a part of glass ingredient evaporation and on composition also unstable.Therefore,
If taking out melten glass, in any case the problem that bubble etc. is easily accessible the most all can be produced from the position close to top layer.
In the present embodiment, as shown in Figure 1, it is possible to from lower than molten glass level 13 go out height a position will be melted
Glass is transferred to melten glass carrying pipe 20.In this case, highly a is mainly by the melten glass in glass furnace 6
The degree of depth (height of molten glass level 13) determines, but preferably 200～1000mm.Highly a be more preferably 250mm with
On.And, highly a is more preferably below 950mm.If making height a is aforementioned range, then can avoid molten glass level 13 attached
Near melten glass and take out few good melten glass such as bubble.And, from the upper table of the peristome 16 in fan shape portion 3
Face is preferably 5～500mm to the height b of molten glass level 13.Highly b is more preferably below 450mm.If height b be 5mm with
On, then it is prevented from there occurs that on surface the blank of heterogeneousization is mixed into the main flow of melten glass.And, if height b is about 500mm
Hereinafter, then the temperature of the melten glass of this part can easily be maintained.Generally gluing to the melten glass of molten metal bath supply
Degree is 103.5～104DPa s degree and higher, therefore by supply pipe 1 transfer in melten glass produce bubble (gas)
Become resistance when floating, but by the inclination upward of the lower end 15 in fan shape portion 3 being formed significantly, act on gas
The buoyancy of bubble adds up to calculating with the mobilization of the incline direction of melten glass, therefore, it is possible to by bubble effectively to fan shape
The side, upper end 14 in portion 3 guides and floats to the top layer of melten glass and release.
The supply pipe 1 of present embodiment is by fan shape portion 3 and the ingress pipe portion of the upstream side being arranged on fan shape portion 3
Formed.Fan shape portion 3 is connected with the cylindrical duct 2 configured in the horizontal direction and is formed by the supply pipe 1 of this example.That is, with molten
Connect the upstream extremity in fan shape portion 3 in the downstream of the cylindrical duct 2 melting the downstream connection of glass handling pipe 20, utilize cylinder
Pipe 2 takes out the melten glass of melten glass carrying pipe 20 and is directed into fan shape portion 3, from fan shape portion 3 (supply pipe 1)
Peristome 16 is sent to melten glass supply unit 5.Fan shape portion 3 upper accordingly, as the connecting portion being connected with cylindrical duct 2
The cross sectional shape of trip end is circular corresponding to cylindrical duct 2, but the cross sectional shape before from there is along with fan shape
The flattening in portion 3 and highly gradually decrease and be changed to ellipticity, at peristome 16, long rectangular in the horizontal direction in long limit
The elliptical shape grown crosswise that shape or major axis extend in the horizontal direction.Especially cross sectional shape is that OBL peristome leads to
Cross and make the width of width (length on long limit) and melten glass supply unit 5 (entrance of float glass forming device 7) (in Fig. 1
The width in the direction vertical with paper) substantially uniform, can be the most certain as thickness using melten glass
Melten glass stream and on the point sent preferably.The width W of peristome 16 is preferably 300～1200mm.Width W is more preferably
More than 400mm, more preferably more than 500mm.And, width W is more preferably below 1050mm, more preferably
Below 900mm.And, above-below direction size H of the width central authorities of peristome 16 is preferably 30～300mm.Size H is more excellent
Elect more than 50mm as, more preferably more than 70mm.And, size H is more preferably below 250mm, more preferably
Below 200mm.
If so forming supply pipe 1 by ingress pipe portion as the cylindrical duct 2 of fan shape portion 3 and this example, then can obtain
To following advantage.That is, can easily make the length of supply pipe 1 corresponding to melted glass by changing the length in ingress pipe portion
Interval between downstream and the melten glass supply unit 5 of glass carrying pipe 20.And, by by ingress pipe portion approximately along level side
To extended, it is possible to take out melten glass swimmingly from melten glass carrying pipe 20.It should be noted that in this example, make
By cylindrical duct 2 as above-mentioned ingress pipe portion, by horizontally extending for this cylindrical duct setting, but as ingress pipe portion, it is possible to
Being that such as cross sectional shape is as elliptical shape or the tubular body of rectangular shape.And, ingress pipe portion may not in the horizontal direction
Extended, it is also possible to along the flow direction somewhat up-wards inclination of melten glass, it is also possible to somewhat decline inclination.Need explanation
It is, in the case of the ingress pipe portion that cross sectional shape is elliptical shape or rectangular shape, the fan-shaped shape being connected with this ingress pipe portion
The cross sectional shape of the upstream extremity in shape portion 3 also corresponds to ingress pipe portion and becomes elliptical shape or rectangular shape.
In fan shape portion 3, the area of section of peristome 16 preferably with as and the connecting portion that is connected of cylindrical duct 2 upper
The area of section of trip end is roughly the same.Specifically, the area of section (M1) of the upstream extremity in fan shape portion 3 (is opened with downstream
Oral area 16) area of section (M2) ratio (M1/M2) be preferably 0.7～1.3.Ratio (M1/M2) more preferably more than 0.8, enters one
Step is preferably more than 0.9, particularly preferably more than 0.95.And, ratio (M1/M2) more preferably less than 1.2, more preferably
Less than 1.1, particularly preferably less than 1.05.By so setting upstream extremity and the area of section of downstream in fan shape portion 3,
The melten glass sent here from cylindrical duct 2 can be made not stagnate and send to melten glass supply unit 5 from peristome 16 all-the-time stable
Go out.Further, even if the area of section on the orthogonal direction of the transfer direction with melten glass in fan shape portion 3 is preferably cross section
Shape is the most such as gradually varied to oblong-shaped or elliptical shape from toroidal, also the most identical with M1, M2.
It follows that decline inclination, the up-wards inclination of lower end 15 and the left and right directions of the upper end 14 in explanation fan shape portion 3
Extension.In the present invention, come the angle of inclination of the upper end 14 in regulation fan shape portion 3 by θ 1, come regulation lower end by θ 2
The angle of inclination of 15, and the expanded-angle of regulation left and right directions is carried out by θ 3.Here, the upper end 14 in fan shape portion 3 is such as Fig. 2
(A) the shown fan shape portion 3 residing for centrage 17 of the transfer direction of melten glass under the top view in fan shape portion 3
The top part of melten glass stream, the downstream end portion in fan shape portion 3 arranges the situation of par 4 as in this example
Under the top part of melten glass stream that is in addition in the region outside par 4.It should be noted that as by θ 1
The reason at angle of inclination of regulation lower end 15 is also carried out in the angle of inclination of the upper end 14 in regulation fan shape portion 3 by θ 2, can enumerate
When being sent to melten glass supply unit 5 by melten glass, the effect to the upper end 14 that the upper limit of melten glass stream limits is big
Situation, by bubble effectively to the side, upper end 14 in fan shape portion 3 guide and make it float to the top layer of melten glass and put
The situation etc. gone out.
In the present invention, the tilt angle theta 1 of the upper end 14 in fan shape portion 3 is-5～+2 degree relative to horizontal direction.?
This, the just expression upper end 14 of angle, θ 1 tilts upward, and the negative indication upper end 14 of angle, θ 1 tilts downwards.Angle, θ 1 is preferred
More than-2 degree, more than more preferably-1 degree.And, angle, θ 1 is preferably below+1 degree, below more preferably+0.5 degree, enters one
Step is preferably below-0.5 degree.If angle, θ 1 is more than-5 degree, then the bubble that the melten glass in being transferred by supply pipe 1 produces
Resistance when (gas) floats reduces, it is possible to bubble is guided to the side, upper end 14 in fan shape portion 3 effectively and to melted glass
The top layer of glass floats and releases.And, if angle, θ 1 is below+2 degree, then at upper end 14 and the melten glass in fan shape portion 3
Between be difficult to produce gas-phase space, it is possible to prevent due to boric acid component etc. that melten glass occurs from the evaporation of melten glass skin section
Heterogeneousization also produces the situation of the brush line defects such as (striped) on the float glass finally given.And, it is possible to prevent described steaming
The reactant of the platinum sending out composition and constitute supply pipe 1 falls to melten glass and produces the situation of foreign body defect at float glass.
And, it is possible to prevent the situation that the intensity constituting the platinum of supply pipe 1 due to described evaporation composition and the reaction of platinum declines.
And, the tilt angle theta 2 of the lower end 15 in fan shape portion 3 is+10～+30 degree relative to horizontal direction.Here,
The just expression upper end 14 of angle, θ 2 tilts upward.Angle, θ 2 is preferably more than+15 degree.And, angle, θ 2 be preferably+25 degree with
Under.If angle, θ 2 is more than+10 degree, then can make the position of the upstream extremity (connecting portion being connected with cylindrical duct 2) in fan shape portion 3
Put and fully decline relative to melten glass supply unit 5 and molten glass level 13, therefore, it is possible to it is many and due to glass to avoid bubble etc.
The evaporation of glass composition and the melten glass of skin section also unstable on composition and take out good melten glass.And, if
Angle, θ 2 is below+30 degree, then the extracting position of melten glass based on supply pipe 1 will not become to remove from melten glass too lowly
Melten glass is taken out in the suitable position of fortune pipe 20 such that it is able to transfer melten glass swimmingly.
On the other hand, the expanded-angle θ 3 of the left and right directions in fan shape portion 3 is preferably 10～45 degree.Angle, θ 3 is more preferably
It is more than 12 degree, more preferably more than 15 degree.And, angle, θ 3 more preferably less than 30 degree, more preferably 20 degree
Below.If angle, θ 3 is more than 10 degree, in the case of the most especially the upstream extremity in this example such fan shape portion 3 is circle, i.e.
The width making this upstream extremity is smaller corresponding to the diameter of cylindrical duct 2, also can obtain fan shape portion 3 (supply pipe fully
1) extension of peristome 16, it is possible to make the width of peristome 16 be suitable for the width of melten glass supply unit 5.And, if expanding
Exhibition angle, θ 3 is less than 45 degree, then relative to the melten glass stream of flanking central in fan shape portion 3, and melted at two ends, side
Glass stream will not produce delay, it is possible to equally transfers melten glass.
And, the fan shape portion 3 length L on the transfer direction of melten glass relative to peristome 16 width W and
For 0.5W～1.5W.Length L is preferably more than 0.7W.And, length L is preferably below 1.3W.If length L is more than 0.5W,
The distance that the bubble (gas) that melten glass in then being transferred by supply pipe 1 produces floats becomes abundant, it is possible to bubble is effective
Ground guides to the side, upper end 14 in fan shape portion 3 and floats to the top layer of melten glass and release.And, relative to fan shape
The melten glass stream of the flanking central in portion 3, the melten glass stream at two ends, side does not produce delay, it is possible to equally transfer is melted
Glass.And, if length L is below 1.5W, even if then lower end 15 tilts the most significantly, melted glass based on supply pipe 1
The extracting position of glass also will not become too low and can be taken out from the suitable position of melten glass carrying pipe 20 by melten glass.
And, it is possible to fully obtain the extension of the peristome 16 in fan shape portion 3 (supply pipe 1), and make the width of peristome 16 be suitable for
Width in melten glass supply unit 5.And, length L is preferably more than 300mm, more preferably more than 400mm, the most excellent
Elect more than 500mm as.And, length L is preferably below 1200mm, more preferably below 1050mm, more preferably 900mm
Below.
Also, it is preferred that the downstream end portion close to the peristome 16 in fan shape portion 3 at supply pipe 1 arranges horizontal
Par 4.The upper end 14 in fan shape portion 3 the most slightly tilts, and lower end 15 tilts the most significantly, therefore fan shape portion
Melten glass in 3 is affected by the inclined upward of bigger lower end 15 from peristome 16, and send to melten glass supply unit 5
Go out.If arranging par 4 in the opening portion in fan shape portion 3 (supply pipe 1), then par 4 can be utilized melten glass
Flow direction change into horizontal direction, and make melten glass rectification send to melten glass supply unit 5, thus without product
Raw disorder, and can equally transfer melten glass.In this case, reliably to carry out this whole for the outlet in fan shape portion 3
Stream, therefore preferably par 4 has certain length X, and its cross sectional shape and area of section are at the transfer direction of melten glass
Upper identical.Length X changes according to the size in fan shape portion 3 or angle of inclination etc., and does not limit, but preferably 50～
200mm.Length X is more preferably more than 70mm.And, length X is more preferably below 150mm.
In the present embodiment, as supply pipe 1, melten glass carrying pipe 20 material, preferably thermostability and relative to
Platinum that the corrosion resistance of melten glass is big or platinum alloy (such as platinum-rhodium alloy) or the material being coated with by platinum or platinum alloy.Platinum or
Platinum alloy has the real result of excellence as this purposes, especially for forming temperature as LCD glass substrate
High melten glass and preferred.As the material being coated with by platinum or platinum alloy, illustrate and utilize platinum or platinum alloy coated brick etc. heat-resisting
The material of the inner surface of component.
And, although not shown, but the ingress pipe portion of the supply pipe 1 formed by these materials and/or fan shape portion
It is uniformly heated up preferably by energising.Electrified regulation is by carrying out to platinum or platinum alloy direct-electrifying.And, by platinum or
When the material of platinum alloy cladding is conductive material, can carry out to the energising of this material.From melten glass carrying pipe 20 to confession
It is being transferred to the period before melten glass supply unit 5, from surrounding air by completely to the melten glass of the high temperature of pipe 1 taking-up
Cover, therefore, it is possible to prevent the cooling caused that contacts with air, and substantially protected by the electrified regulation of supply pipe 1
Hold as uniform temperature, transfer to melten glass supply unit 5 with the temperature being suitable for shaping.
In the present embodiment, gate 8 is relative and be arranged on melted with the peristome 16 of supply pipe 1 (fan shape portion 3)
Glass supply unit 5.This gate 8 is by the width of peristome 16 having with fan shape portion 3 and the width of melten glass supply unit 5
Heat-resistant component the opening relative to fan shape portion 3 of the width that degree (width in direction vertical with paper in Fig. 1) is roughly the same
Oral area 16 can arrange up and down and form, and highly can regulate melting to molten metal bath 10 supply by moving up and down to change
Melt amount of glass.And, gate 8 controls the melten glass transmitted to melten glass supply unit 5 from top, thus as thickness along horizontal
Supply to molten metal bath 10 to the molten glass layers of certain thin layer.And, gate 8 is put by dropping to lowermost position, it is possible to
Stopping is to the supply of the melten glass of molten metal bath 10.And, from the lower surface (upper surface of lip tile 9) of peristome 16 to melted
The height c of metal level 13 is preferably 100～600mm.Highly c is more preferably more than 350mm.And, highly c is more preferably
Below 550mm.If height c is more than 100mm, then the flow-control of the melten glass carried out by gate 8 becomes easy.And,
If height c is below 600mm, then the flow-control of the melten glass carried out by gate 8 becomes easy.
In the case of the peristome 16 of gate 8 with supply pipe 1 (fan shape portion 3) is oppositely arranged, gate 8 and opening
The gap d in portion 16 is preferably 0～30mm.Gap d is more preferably below 20mm.Here, the situation that gap d is 0mm refers to lock
Door 8 is arranged close to peristome 16 ground in fan shape portion 3 as far as possible.In order to avoid airtight and be transplanted on melten glass by supply pipe 1
The melten glass of supply unit 5 contacts with surrounding air at melten glass supply unit 5, and gap d is the least.Melten glass
The melten glass of supply unit 5 forms Free Surface at gap d.If gap d is below 30mm, then be prevented from melten glass by
In contacting with surrounding air and the evaporation of cooled or a part of glass ingredient.In the present embodiment, gate 8 can utilize
Platinum or platinum alloy cladding are formed by the major part of the heat-resistant component manufactures such as ceramics quartz glass (vitreous silica).Further, logical
Cross and in the same manner as supply pipe 1, platinum or platinum alloy are carried out electrified regulation, the melted glass thus will transferred to melten glass supply unit 5
Glass remains the temperature of regulation.The electrified regulation of this gate 8 and supply pipe 1 suitably can be carried out by known method.
Although in detail and illustrating the application with reference to specific embodiment, but without departing from the purport of the present invention and model
Enclose and the situation of various change or correction of can adding is the most self-evident.
The application is based on the Japanese patent application 2015-106020 filed an application on May 26th, 2015, and by its content
It is incorporated herein as reference.
[industrial applicibility]
The present invention can utilize the molten glass supply apparatus as float glass manufacturing device, is particularly adapted to become
Shape temperature situation that is high and that supply to molten metal bath containing the melten glass holding evaporable glass ingredient.
Claims (13)
1. a molten glass supply apparatus, it is characterised in that
Described molten glass supply apparatus possesses: supply pipe, for melten glass is carried pipe to molten metal bath from melten glass
Melten glass supply unit transfer；And gate, with the institute that the peristome of described supply pipe is oppositely disposed at described molten metal bath
State melten glass supply unit, and for regulation to the melten glass quantity delivered of described molten metal bath,
The described peristome of described supply pipe is arranged in the position lower than the molten glass level of glass furnace,
Described supply pipe has the fan-shaped shape that the described peristome towards downstream extends in the lateral direction with the angle of regulation
Shape portion, cross sectional shape gradually flattening towards described peristome in described fan shape portion,
The angle of inclination of the upper end in described fan shape portion is-5～+2 degree relative to horizontal direction, under described fan shape portion
The angle of inclination of end is+10～+30 degree relative to horizontal direction, in the case of the width of described peristome is set to W, described
The fan shape portion a length of 0.5W～1.5W on the transfer direction of described melten glass.
Molten glass supply apparatus the most according to claim 1, wherein,
The angle of inclination of the upper end in described fan shape portion is-1～+2 degree relative to horizontal direction.
Molten glass supply apparatus the most according to claim 1, wherein,
The angle of inclination of the lower end in described fan shape portion is+15～+25 degree relative to horizontal direction.
Molten glass supply apparatus the most according to claim 1, wherein,
The described fan shape portion a length of 0.7W～1.3W on the transfer direction of described melten glass.
Molten glass supply apparatus the most according to claim 1, wherein,
Described fan shape portion on the transfer direction of described melten glass a length of 300～1200mm.
Molten glass supply apparatus the most according to claim 1, wherein,
The width W of described peristome is 300～1200mm.
Molten glass supply apparatus the most according to claim 1, wherein,
The expanded-angle of the left and right directions in described fan shape portion is 10～45 degree.
Molten glass supply apparatus the most according to claim 7, wherein,
The expanded-angle of the left and right directions in described fan shape portion is 12～30 degree.
Molten glass supply apparatus the most according to claim 1, wherein,
Downstream end portion in described fan shape portion arranges the par being horizontally formed, and this par is at described melten glass
Transfer direction on a length of 50～200mm.
Molten glass supply apparatus the most according to claim 9, wherein,
A length of the 70 of described par～150mm.
11. molten glass supply apparatus according to claim 1, wherein,
At least some of of described gate is coated with by platinum or platinum alloy.
12. molten glass supply apparatus according to claim 11, wherein,
Described gate remains certain temperature by electrified regulation.
13. 1 kinds of float glass manufacturing devices, including the molten glass supply apparatus according to any one of claim 1～12.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015106020A JP2016216323A (en) | 2015-05-26 | 2015-05-26 | Molten glass supply apparatus |
| JP2015-106020 | 2015-05-26 |
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| Publication Number | Publication Date |
|---|---|
| CN205838831U true CN205838831U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620490334.6U Expired - Fee Related CN205838831U (en) | 2015-05-26 | 2016-05-26 | Molten glass supply apparatus |
| CN201610357701.XA Active CN106186642B (en) | 2015-05-26 | 2016-05-26 | Molten glass supply apparatus |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610357701.XA Active CN106186642B (en) | 2015-05-26 | 2016-05-26 | Molten glass supply apparatus |
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| Country | Link |
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| JP (1) | JP2016216323A (en) |
| KR (1) | KR20160138924A (en) |
| CN (2) | CN205838831U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186642A (en) * | 2015-05-26 | 2016-12-07 | 旭硝子株式会社 | Molten glass supply apparatus |
| CN114920447A (en) * | 2022-05-17 | 2022-08-19 | 杭州纳玻科技有限公司 | Preparation method, forming device and product of borosilicate colored glaze with few bubbles |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6740746B2 (en) * | 2016-06-22 | 2020-08-19 | 日本電気硝子株式会社 | Glass plate manufacturing method and glass plate manufacturing apparatus |
| DE102017124625A1 (en) * | 2016-12-22 | 2018-06-28 | Schott Ag | Thin glass substrate, method and apparatus for its manufacture |
| CN117049771A (en) | 2018-09-27 | 2023-11-14 | 康宁公司 | Glass manufacturing apparatus |
| JP7330433B2 (en) * | 2019-07-03 | 2023-08-22 | 日本電気硝子株式会社 | Glass article manufacturing apparatus and manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011059096A1 (en) | 2009-11-16 | 2011-05-19 | 旭硝子株式会社 | Molten glass supply device |
| JP2016216323A (en) * | 2015-05-26 | 2016-12-22 | 旭硝子株式会社 | Molten glass supply apparatus |
-
2015
- 2015-05-26 JP JP2015106020A patent/JP2016216323A/en active Pending
-
2016
- 2016-05-26 KR KR1020160064617A patent/KR20160138924A/en unknown
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186642A (en) * | 2015-05-26 | 2016-12-07 | 旭硝子株式会社 | Molten glass supply apparatus |
| CN106186642B (en) * | 2015-05-26 | 2019-03-08 | Ａｇｃ株式会社 | Molten glass supply apparatus |
| CN114920447A (en) * | 2022-05-17 | 2022-08-19 | 杭州纳玻科技有限公司 | Preparation method, forming device and product of borosilicate colored glaze with few bubbles |
| CN114920447B (en) * | 2022-05-17 | 2024-03-29 | 杭州纳玻科技有限公司 | Preparation method, forming device and product of borosilicate glass with few bubbles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106186642A (en) | 2016-12-07 |
| KR20160138924A (en) | 2016-12-06 |
| JP2016216323A (en) | 2016-12-22 |
| CN106186642B (en) | 2019-03-08 |
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder | ||
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Address after: Tokyo, Japan Patentee after: AGC Corporation Address before: Tokyo, Japan Patentee before: Asahi Glass Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190526 |