CN103113017A - Molten glass runner device - Google Patents
Molten glass runner device Download PDFInfo
- Publication number
- CN103113017A CN103113017A CN2013100874754A CN201310087475A CN103113017A CN 103113017 A CN103113017 A CN 103113017A CN 2013100874754 A CN2013100874754 A CN 2013100874754A CN 201310087475 A CN201310087475 A CN 201310087475A CN 103113017 A CN103113017 A CN 103113017A
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- glass metal
- flashboard
- molten glass
- flow passage
- glass
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Abstract
The invention provides a molten glass runner device, which can be used for passivating the influences of regulating flashboard opening to the glass flow rate. The molten glass runner device comprises a runner, a safety flashboard, a regulating flashboard and a sealing material, wherein a brick baffle device is arranged on the runner; and the brick baffle device is arranged at the front end of the regulating flashboard. According to the molten glass runner device provided by the invention, the brick baffle device is arranged at the proper position at the front end of the regulating flashboard in the molten glass runner, so that the influences of the regulating flashboard opening to the molten glass flow rate are effectively passivated; the area of the cross section, in front of the adjusting flashboard, of the molten glass is reduced by the brick baffle device; and when the flow rate of the molten glass is stable, the speed that the molten glass flows through the front part of the adjusting flashboard is remarkably improved in comparison with the condition without the brick baffle device, the retention time of the molten glass in front of the adjusting flashboard is reduced, the possibility that the inhomogeneous molten glass is accumulated in front of the adjusting flashboard is reduced, the flow condition of the molten glass in front of the adjusting flashboard is effectively improved and the effect of stabilizing the liquid level and the flow rate of the molten glass is achieved.
Description
Technical field
The present invention relates to the glass metal flow passage device in glass production, particularly relate to and accept the glass metal flow passage device that melting furnaces are connected with molten tin bath in a kind of float glass.
Background technology
In float glass, glass metal 1 flows into molten tin bath 6 by the runner 2 that is connected with molten tin bath 6 front ends after melting furnaces fusing, clarification, homogenizing, glass metal 1 shakeouts in molten tin bath 6, the moulding of completing sheet glass after thin, cooling is drawn in polishing, edge machine, as shown in Figure 1, be provided with safe flashboard 3 on runner 2, regulate the devices such as flashboard 4, sealing material 5, wherein, safe flashboard 3 mainly falls when meeting with an accidet, as the device that cuts off glass metal 1; Sealing between runner 2 and molten tin bath 6 is completed by sealing material 5.Regulate flashboard 4 and be mainly used in controlling the flow that glass metal 1 enters molten tin bath 6, keep glass metal 1 stability of flow, because stability of flow is vital for the float line stably manufactured.But in actual production, adjust the seldom aperture of the adjusting flashboard 4 of amount, glass flow rate just has apparent in view variation, particularly load, and more hour this variation is more obvious.Therefore, during actual production, the impact that generally comes the lifting of passivation flashboard that glass flow rate is changed by the gate lift structure, but the tolerance range of this mode is also very limited.
In float process, glass metal 1 in runner 2 directly contacts with air, forms free surface, inevitably the volatile fraction composition, evaporate in the runner air as alkalimetal oxide, boron oxide compound etc., assemble after cohesion when volatile matter is met top or the colder place of sidewall.This process will cause glass metal top layer composition and center glass metal to produce difference simultaneously, make both viscosity not identical, form the large viscosity glass liquid of thin layer on the top layer, flowing through when regulating flashboard 4 and will flow through together with normal glass liquid under the top layer in this large viscosity glass liquid top layer, but because glass metal top layer viscosity is large, its flow velocity will be slower than the glass metal below the top layer, and this can cause near glass metal top layer gathering adjusting flashboard 4 is front of large viscosity.Although this accumulation process is slower, this accumulation process is major hidden danger to stably manufactured, because be gathered in when regulating flashboard 4 front when large viscosity glass top layer, in order to keep the glass metal flow constant, often needing to regulate flashboard increases aperture.When regulating that the flashboard aperture is increased to a certain degree or during the runner temperature variation, the large viscosity glass of assembling will push through suddenly adjusting flashboard 4 and enter molten tin bath 6, this glass flow rate will cause greater impact to molten tin bath 6, security incidents such as tankful, disconnected plate, lip tile fracture easily occur.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of flashboard aperture of can passivation regulating to the glass metal flow passage device of glass flow rate impact.
The technical scheme that technical solution problem of the present invention adopts is: the glass metal flow passage device, and comprise runner, safe flashboard, regulate flashboard and sealing material, be provided with panel brick device on described runner, described panel brick device is arranged on described regulator front edge of board.
Further, described panel brick device is arranged on described regulator front edge of board 10mm-500mm.
Further, described panel brick device adopts at this external surface of floater guide block parcel layer of metal material integument.
Further, the thermal expansivity of the material of described floater guide block body is 6*10
-6K
-1-14*10
-6K
-1
Further, described floater guide block body adopts refractory brick or the fused corundom brick of magnesium-aluminium spinel material.
Further, described metallic substance integument thickness is 0.5mm-1.0mm.
Further, described metallic substance integument adopts platinum or platinum alloy material.
Further, at the external the end of a thread in the both sides of described panel brick device, panel brick device is switched on.
Further, the width of described panel brick device is more than or equal to glass metal height herein.
Further, the height of described panel brick device in glass metal be glass metal herein the height half.
The invention has the beneficial effects as follows: by the regulator front edge of board appropriate location in the glass metal runner, panel brick device is set, effectively passivation is regulated the flashboard aperture to the impact of glass metal flow; Panel brick device has reduced the cross-sectional area of glass metal before regulating flashboard, when the glass metal stability of flow, glass metal is flowed through not regulate when the front speed of flashboard arranges panel brick device relatively and is significantly improved, reduced the residence time of glass metal before regulating flashboard, reduced the possibility that the heterogeneity glass metal is piled up before regulating flashboard, effectively improve adjusting flashboard front glass liquid flow state, played the effect of stabilized glass liquid liquid level and flow.
Description of drawings
Fig. 1 is the runner schematic diagram of existing float glass.
Fig. 2 is glass metal flow passage device schematic diagram of the present invention.
Fig. 3 is the schematic diagram of panel brick device of the present invention.
Fig. 4 is the schematic diagram of table 1.
Embodiment
As shown in Figures 2 and 3, the present invention arranges panel brick device 7 in runner 2, panel brick device 7 is arranged on distance adjustment flashboard 4 front ends and (is adjusting flashboard 4 front ends near the melting furnaces side, near molten tin bath 6 sides for regulating flashboard 4 rear ends) the appropriate location, found through experiments, when panel brick device 7 is arranged on distance adjustment flashboard 4 front end 500mm when above, the aperture of 7 pairs of adjusting flashboards 4 of panel brick device is without influence; And when it during less than 10mm, because panel brick device 7 is too small with the spacing of regulating flashboard 4, the glass liquid levels that can cause regulating before flashboard 4 obviously go up, and keep the glass flow rate that does not add before panel brick device 7, need significantly to improve the aperture of regulating flashboard 4, extremely difficult control.Therefore, the present invention is arranged on distance adjustment flashboard 4 front end 10mm-500mm places with panel brick device 7, and the best is 10mm-300mm, and better distance is 10mm-150mm.
Panel brick device 7 can adopt at this external surface of floater guide block parcel layer of metal material integument.The effect of metallic substance integument is the erosion of 1 pair of floater guide block body of opposing glass metal, extends the work-ing life of panel brick device 7.Consider the bonding gap between floater guide block body and metallic substance integument, prevent that bi-material is because thermal expansion coefficient difference causes more greatly bulge, the problem such as break, therefore the material that the material of the floater guide block body of panel brick device 7 is selected and metallic substance integument thermal expansivity is close, the thermal expansivity of the material of floater guide block body is selected 6*10
-6K
-1-14*10
-6K
-1, the optimal heat coefficient of expansion is 9*10
-6K
-1-14*10
-6K
-1The floater guide block body preferably adopts refractory brick or the fused corundom brick of magnesium-aluminium spinel material.
The present invention can also be in the both sides of panel brick device 7 external the end of a thread 8, to panel brick device 7 energisings, by metallic substance integument and power supply are coupled together, to the heating of metallic substance integument, realize the glass metal 1 in runner 2 is heated, thereby regulate glass metal 1 at the transverse temperature difference that flows through before regulating flashboard 4, prevent that glass metal 1 core temperature is high, flow velocity is too fast, and two sides temperature is low, and flow velocity is excessively slow.
Consider metallic substance integument stability at high temperature and logical electrically heated demand, metallic substance integument thickness is 0.4mm-2.0mm, optimum thickness is 0.5mm-1.0mm, the metallic substance integument can adopt anti-erosion, platinum or platinum alloy material that high-temperature stability is good, as platinum, platinum rhodium, platinum alloy etc., wherein, the platinum rhodium material is more excellent aspect anti-erosion, high-temperature behavior, it is 5-15% that the present invention selects the rhodium content in platinum rhodium, and the best is 8-12%.Platinum alloy is relatively having superiority aspect the infiltration angle of improving between glass metal 1 and metallic substance integument, infiltrate and improve the amount of glass that the angle helps to reduce to stick to when glass metal 1 contacts with material material surface, be conducive to prevent that glass metal 1 from forming nucleus with the material surface contact position, producing crystalline polamer.Gold content in platinum alloy of the present invention is 2-12%, and optimum content is 5-8%.
Panel brick device 7 adopts the sidewall block that embeds runner 2 or the mode that embeds in end brick to be fixed, the height h of panel brick device 7 in glass metal 1 be not higher than the height m of glass metal 1, the height h of panel brick device 7 in glass metal 1 can for glass metal 1 herein height m 0.3-0.75 doubly, be preferably glass metal 1 half of height m herein.The selection of the width w of panel brick device 7 is mainly can not affect glass metal 1 Flow Field Distribution herein after considering to put into glass metal 1, experimental results show that, during less than herein height m of glass metal 1, may cause glass metal 1 at the flow field change at this place as the width w of panel brick device 7.Therefore, the width w of panel brick device 7 of the present invention more preferably greater than or equal glass metal 1 height m herein.The length of panel brick device 7 is not less than the inner width of runner 2.
The present invention is by after arranging panel brick device 7, by flow rate calculation formula: Q=V*S, in the situation that glass metal 1 flow Q is constant, after increasing panel brick device 7, can can diminishing by the sectional area S of glass metal 1 of runner 2, the velocity of flow V of glass metal 1 before regulating flashboard 4 can improve, thereby can reduce the aggregate amount of regulating the front heterogeneity glass metal of flashboard 4, make the liquid level of glass metal 1 more stable, be conducive to stably manufactured.
By adjusting flashboard 4 apertures and the glass metal fluctuations in discharge contrast discovery of production scene to increase panel brick device 7 front and back, after regulating the front increase panel brick device 7 of flashboard 4, flow control has considerable change to glass metal to regulate flashboard 4 apertures, the impact that the aperture of adjusting flashboard 4 changes the glass metal flow has weakened, concrete outcome is referring to table 1, and table 1 has contrasted the variation of the corresponding glass metal flow of aperture of the adjusting flashboard 4 that increases panel brick device 7 front and back.Find by comparative analysis, panel brick device 7 is conducive to passivation and regulates flashboard 4 apertures variations to the impact of glass metal flow, and when adjusting the aperture of many adjusting flashboards 4 with realization, glass flow rate just has the purpose of apparent in view variation; In addition, adjusting flashboard 4 apertures in the table 1 are as X-coordinate, and the glass metal flow is that ordinate zou is drawn, and can find out that also the slope that increases after panel brick device 7 diminishes, and the glass metal flow velocity increases, as shown in Figure 4.
Table 1
Claims (10)
1. glass metal flow passage device, comprise runner (2), safe flashboard (3), regulate flashboard (4) and sealing material (5), it is characterized in that, be provided with panel brick device (7) on described runner (2), described panel brick device (7) is arranged on described adjusting flashboard (4) front end.
2. glass metal flow passage device as claimed in claim 1, is characterized in that, described panel brick device (7) is arranged on described adjusting flashboard (4) front end 10mm-500mm.
3. glass metal flow passage device as claimed in claim 1, is characterized in that, described panel brick device (7) adopts at this external surface of floater guide block parcel layer of metal material integument.
4. glass metal flow passage device as claimed in claim 3, is characterized in that, the thermal expansivity of the material of described floater guide block body is 6*10
-6K
-1-14*10
-6K
-1.
5. glass metal flow passage device as claimed in claim 3, is characterized in that, described floater guide block body adopts refractory brick or the fused corundom brick of magnesium-aluminium spinel material.
6. glass metal flow passage device as claimed in claim 3, is characterized in that, described metallic substance integument thickness is 0.5mm-1.0mm.
7. glass metal flow passage device as claimed in claim 3, is characterized in that, described metallic substance integument adopts platinum or platinum alloy material.
8. glass metal flow passage device as described in claim 1 or 3, is characterized in that, at external the end of a thread in the both sides of described panel brick device (7) (8), panel brick device (7) switched on.
9. glass metal flow passage device as claimed in claim 1, is characterized in that, the width of described panel brick device (7) is more than or equal to glass metal (1) height herein.
10. glass metal flow passage device as claimed in claim 1, is characterized in that, the height of described panel brick device (7) in glass metal (1) be glass metal (1) herein the height half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310087475.4A CN103113017B (en) | 2013-03-19 | 2013-03-19 | Glass metal flow passage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310087475.4A CN103113017B (en) | 2013-03-19 | 2013-03-19 | Glass metal flow passage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103113017A true CN103113017A (en) | 2013-05-22 |
| CN103113017B CN103113017B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310087475.4A Active CN103113017B (en) | 2013-03-19 | 2013-03-19 | Glass metal flow passage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103113017B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060681A (en) * | 2015-08-06 | 2015-11-18 | 蚌埠玻璃工业设计研究院 | Flow liquid channel flashboard sealing device |
| CN106774107A (en) * | 2016-11-24 | 2017-05-31 | 蚌埠凯盛工程技术有限公司 | Vertical stirring and flashboard control system |
| CN107902871A (en) * | 2017-12-29 | 2018-04-13 | 中建材蚌埠玻璃工业设计研究院有限公司 | A kind of sealing device of electronical display glass platinum channel flashboard |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153025Y (en) * | 1992-12-29 | 1994-01-12 | 秦皇岛玻璃工业设计研究院 | Improvement of runner heating structure for float glass furnace |
| CN1600713A (en) * | 2003-09-28 | 2005-03-30 | 洛阳玻璃股份有限公司 | Method of sealing in small spatial obstructs at entrance end of tin pot in product line float glass, and seal structure |
| US20060260362A1 (en) * | 2005-05-11 | 2006-11-23 | Uhlik James M | Method for producing glass and an apparatus relating to the same |
| CN203128391U (en) * | 2013-03-19 | 2013-08-14 | 成都光明光电股份有限公司 | Molten glass runner device |
-
2013
- 2013-03-19 CN CN201310087475.4A patent/CN103113017B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153025Y (en) * | 1992-12-29 | 1994-01-12 | 秦皇岛玻璃工业设计研究院 | Improvement of runner heating structure for float glass furnace |
| CN1600713A (en) * | 2003-09-28 | 2005-03-30 | 洛阳玻璃股份有限公司 | Method of sealing in small spatial obstructs at entrance end of tin pot in product line float glass, and seal structure |
| US20060260362A1 (en) * | 2005-05-11 | 2006-11-23 | Uhlik James M | Method for producing glass and an apparatus relating to the same |
| CN203128391U (en) * | 2013-03-19 | 2013-08-14 | 成都光明光电股份有限公司 | Molten glass runner device |
Non-Patent Citations (1)
| Title |
|---|
| 陈健,等: "浮法玻璃生产线锡槽前端结构改进", 《河南建材》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060681A (en) * | 2015-08-06 | 2015-11-18 | 蚌埠玻璃工业设计研究院 | Flow liquid channel flashboard sealing device |
| CN106774107A (en) * | 2016-11-24 | 2017-05-31 | 蚌埠凯盛工程技术有限公司 | Vertical stirring and flashboard control system |
| CN107902871A (en) * | 2017-12-29 | 2018-04-13 | 中建材蚌埠玻璃工业设计研究院有限公司 | A kind of sealing device of electronical display glass platinum channel flashboard |
| CN107902871B (en) * | 2017-12-29 | 2023-08-22 | 中建材玻璃新材料研究院集团有限公司 | Sealing device for electronic display glass platinum channel flashboard |
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| Publication number | Publication date |
|---|---|
| CN103113017B (en) | 2016-03-23 |
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