CN102329064B - Glass flow control device and method for prolonging service life of glass flow control device - Google Patents
Glass flow control device and method for prolonging service life of glass flow control device Download PDFInfo
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- CN102329064B CN102329064B CN 201110324804 CN201110324804A CN102329064B CN 102329064 B CN102329064 B CN 102329064B CN 201110324804 CN201110324804 CN 201110324804 CN 201110324804 A CN201110324804 A CN 201110324804A CN 102329064 B CN102329064 B CN 102329064B
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Abstract
The invention provides an erosion-resistant and high-strength glass flow control device during float glass production. The glass flow control device comprises a flashboard and a platinum rhodium alloy layer wrapped on the surface of the flashboard. The platinum rhodium alloy layer is wrapped on the flow control flashboard, so erosion of glass liquid on the flashboard can be effectively improved and the service life of the flashboard is prolonged; an elastic device is provided, so that the platinum rhodium alloy layer expands upwards integrally, the flashboard is tightly contacted with the platinum rhodium alloy layer and the platinum rhodium alloy layer is difficult to bubble; and the channel space atmosphere near the upper part of a liptile is controlled, so that the platinum rhodium alloy layer is prevented from forming alloy with other possible metal simple substances at high temperature, the structure of the platinum rhodium alloy layer is not damaged, and mechanical strength and service life of the platinum rhodium alloy layer are not influenced.
Description
Technical field
The present invention relates to the device of flow control in a kind of float glass process, particularly a kind of flow control flashboard and the method that prolongs its work-ing life.
Background technology
At present, in float glass, in order to control the load of glass, it is necessary that the passage between melting furnaces and molten tin bath adds one or more flow control flap arrangement.Generally in the float glass industry adopt that thermal expansivity is minimum, the refractory materials of good thermal shock is as the making material of this flashboard, as fused quartz etc., and utilize existing forming technique that this material is made to become top and be rectangular structure, the bottom is smooth domes, to improve the glass surface quality, prevent bubble and other defectives.
When ordinary production, by regulating transmission mechanism flashboard is slowly moved up and down, the required glass flow rate of stable control moulding.When flow control flashboard control glass flow rate, its underpart is in the high temp glass liquid always, because washing away for a long time of glass metal, the flashboard refractory surface is by glass attack, especially glass metal is the most serious to the erosion of flashboard bottom faster at the central flow velocity of passage, this with regard to the sharpness of regulation that causes flashboard with increasing duration of service variation gradually, even adopt thermal expansivity minimum, the flashboard that the fused quartz of good thermal shock is made, time of just 3 months to 1 year its replacement cycle in the ordinary course of things, it is frequent that flashboard is changed the time, has a strong impact on production output and quality.
In order to prevent that glass metal is to the erosion of flow control flashboard, Taiwan patent 265914B (denomination of invention: float glass belt makes glass melt be dispensed to device used in the feed path of float glass process equipment when making)) mentions the position at the flashboard contact glass metal of fused quartz material in, can apply the coating of one deck platinum alloy, because gold is to the excellent wetting property of glass metal, can prevent glass metal to the erosion of flashboard, prolong the life-span of flashboard.But because the fusing point of gold is 1064 ℃, the platinum fusing point is 1769 ℃, can produce change of component at the alloy of platinum more than 1100 ℃, and gold preferential volatilization and form the rich au-alloy of thin layer on the surface from alloy causes alloy structure to change, and mechanical strength descends; Because the difference of expansion of metal coefficient and refractory materials, also may cause the contact position bubbling of flashboard material and platinum alloy at high temperature, in the time of seriously even cause alloy to chap.In addition; because the flashboard present position is near the molten tin bath side, moulding is with shielding gas reductibility slightly, and the stannic oxide that may cause molten tin bath to evaporate into forming around the flashboard, tin protoxide etc. are reduced to tin simple substance under the reducing gas effect; and form alloy with rich gold layer, destroy the platinum alloy structure.
Summary of the invention
Technical problem to be solved by this invention provides the control device of glass flow rate in the bigger float glass of a kind of anti-erosion, intensity.
The present invention also will provide the method in a kind of control device work-ing life that prolongs above-mentioned glass flow rate.
The technical scheme that technical solution problem of the present invention adopts is: the control device of glass flow rate comprises flashboard, at described flashboard surface parcel platinum rhodium layer.
Further, the thickness of described platinum rhodium layer is 0.65-1.0mm.
Further, the thickness of described platinum rhodium layer is 0.7-0.9mm.
Further, the weight percent content of rhodium is 5-15% in the described platinum rhodium layer.
Further, described platinum rhodium layer upwards wraps up from the bottom of described flashboard.
Further, in described flashboard both sides an elastic device is set respectively, the upper end of described platinum rhodium layer is connected with elastic device.
Further, described elastic device is made up of spring, screw rod and pad, and described spring and pad are enclosed within on the screw rod, and described pad is arranged on the upper end of spring, and the upper end of described platinum rhodium layer is connected with pad, and described screw rod is connected with the support bar on flashboard top.
Prolong the glass flow rate control device method in work-ing life, the gas of control glass flow rate control device periphery keeps neutral atmosphere.
Further, the front area with the glass flow rate control device feeds nitrogen.
Further, the gas pressure intensity of the front area of control glass flow rate control device is greater than the gas pressure intensity at moulding position.
The invention has the beneficial effects as follows: by at flow control flashboard parcel platinum rhodium layer, can effectively improve glass metal to the erosion of flashboard, prolong the work-ing life of flashboard; The present invention is by arranging elastic device, makes that the platinum rhodium layer is whole upwards to expand, and keeps closely contacting between flashboard and the platinum rhodium layer, thereby makes the platinum rhodium layer be difficult for bubbling; The present invention can prevent that also by the close lip tile upper channel space of control atmosphere the platinum rhodium layer from high temperature forming alloy with other metal simple-substances that may exist, and destroys the structure of platinum rhodium layer, influences mechanical strength and the life-span of platinum rhodium layer.
Description of drawings
Fig. 1 is the semisectional view of front view of the present invention.
Fig. 2 is the side-view of Fig. 1.
Fig. 3 is the synoptic diagram of the present invention when working.
Embodiment
As depicted in figs. 1 and 2, glass flow rate control device of the present invention is exactly the outside surface covering one deck platinum rhodium layer 11 at existing flashboard 5, and the thickness of described platinum rhodium layer 11 is preferably 0.65-1.0mm, more preferably 0.7-0.9mm.The weight percent content of rhodium is preferably 5-15% in the platinum rhodium layer 11.
The set-up mode of platinum rhodium layer 11 is upwards to wrap up from the bottom of flashboard 5, and the height of platinum rhodium layer 11 is positioned at more than the liquid level of glass metal 1 at least, and flashboard 5 is not directly contacted with glass metal 1, prevents that flashboard 5 is subjected to the erosion of glass metal 1.
The both sides of flow rate control device of the present invention respectively arrange an elastic device 12, and the upper end of platinum rhodium layer 11 is connected with elastic device 12.Concrete, elastic device 12 can be made up of spring 6, screw rod 10 and pad 7, spring 6 and pad 7 are enclosed within on the screw rod 10, pad 7 is arranged on the upper end of spring 6, the upper end of platinum rhodium layer 11 is connected with pad 7, this can connect by welding process, and the support bar on screw rod 10 and flashboard 5 tops 13 is connected by bolt, as depicted in figs. 1 and 2.Utilize this elastic device 12 can make that platinum rhodium layer 11 is whole upwards to expand, keep closely contacting between flashboard 5 and the platinum rhodium layer 11, thereby make platinum rhodium layer 11 be difficult for bubbling, prevent that glass metal is in this place's generation defective.
During work, as shown in Figure 3, glass metal 1 is after clarifying through abundant fusing, through end brick 2 and front arch 3 formed passages, the safe flashboard 4 of flowing through, arrive glass flow rate control device of the present invention, control the upper-lower position of glass flow rate control device in this passage by regulating lifting device 9, thus the flow of control glass metal 1.Glass metal 1 by lip tile 8, enters into the moulding of moulding position after overregulating flow again.Safe flashboard 4 mainly just falls when meeting with an accidet, as the device that cuts off glass metal 1.
The present invention also keeps neutral atmosphere by the gas of control glass flow rate control device periphery, prevent that platinum rhodium layer 11 from high temperature forming alloy with other metal simple-substances that may exist, destroy the structure of platinum rhodium layer 11, influence mechanical strength and the life-span of platinum rhodium layer 11, thereby prolong the work-ing life of glass flow rate control device of the present invention.Specifically can be, the front area of glass flow rate control device of the present invention is fed nitrogen, just near the zone of lip tile 8, and control this regional gas pressure intensity greater than the gas pressure intensity at moulding position.
Claims (6)
1. the control device of glass flow rate, comprise flashboard (5), it is characterized in that, at described flashboard (5) surface parcel platinum rhodium layer (11), in described flashboard (5) both sides an elastic device (12) is set respectively, the upper end of described platinum rhodium layer (11) is connected with elastic device (12).
2. the control device of glass flow rate as claimed in claim 1 is characterized in that, the thickness of described platinum rhodium layer (11) is 0.65-1.0mm.
3. the control device of glass flow rate as claimed in claim 1 is characterized in that, the thickness of described platinum rhodium layer (11) is 0.7-0.9mm.
4. the control device of glass flow rate as claimed in claim 1 is characterized in that, the weight percent content of rhodium is 5-15% in the described platinum rhodium layer (11).
5. the control device of glass flow rate as claimed in claim 1 is characterized in that, described platinum rhodium layer (11) upwards wraps up from the bottom of described flashboard (5).
6. the control device of glass flow rate as claimed in claim 1, it is characterized in that, described elastic device (12) is made up of spring (6), screw rod (10) and pad (7), described spring (6) and pad (7) are enclosed within on the screw rod (10), described pad (7) is arranged on the upper end of spring (6), the upper end of described platinum rhodium layer (11) is connected with pad (7), and described screw rod (10) is connected with the support bar (13) on flashboard (5) top.
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| CN 201110324804 CN102329064B (en) | 2011-10-24 | 2011-10-24 | Glass flow control device and method for prolonging service life of glass flow control device |
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| CN 201110324804 CN102329064B (en) | 2011-10-24 | 2011-10-24 | Glass flow control device and method for prolonging service life of glass flow control device |
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| CN102329064B true CN102329064B (en) | 2013-09-04 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807310A (en) * | 2012-07-10 | 2012-12-05 | 浙江康星耐火材料有限公司 | Flowing chute |
| CN104016572A (en) * | 2014-06-30 | 2014-09-03 | 成都光明光电股份有限公司 | Manufacturing method and device of float glass |
| CN108535053A (en) * | 2018-05-30 | 2018-09-14 | 广东知识城运营服务有限公司 | A kind of plasticizer sample can |
| CN110002720B (en) * | 2019-05-07 | 2021-07-06 | 承德华富玻璃技术工程有限公司 | Liquid flow hole structure of combined molybdenum plate protection system of glass electric melting furnace |
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| CN1039293A (en) * | 1989-03-07 | 1990-01-31 | 杨震宇 | Sealing for reciprocating machinery |
| CN1093062A (en) * | 1993-03-23 | 1994-10-05 | 圣戈班玻璃制造国际公司 | The glass melting method and apparatus |
| TW200304433A (en) * | 2002-03-06 | 2003-10-01 | Schott Glas | Equipment to distribute glass-fusion into a feeding-channel of a float-apparatus for manufacturing a floated glass-band |
| 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 |
| JP2005527450A (en) * | 2002-03-06 | 2005-09-15 | ショット アクチエンゲゼルシャフト | A device for metering glass melts in the supply passage of a float facility for producing suspended glass ribbons |
| CN2784407Y (en) * | 2004-12-09 | 2006-05-31 | 岳雷彩 | Apparatus for controlling molten glass flow |
| CN202246377U (en) * | 2011-10-24 | 2012-05-30 | 成都光明光电股份有限公司 | Glass flow rate control device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2711982B1 (en) * | 1993-11-02 | 1996-01-19 | Saint Gobain Vitrage | Transfer and conditioning channel for molten glass. |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039293A (en) * | 1989-03-07 | 1990-01-31 | 杨震宇 | Sealing for reciprocating machinery |
| CN1093062A (en) * | 1993-03-23 | 1994-10-05 | 圣戈班玻璃制造国际公司 | The glass melting method and apparatus |
| TW200304433A (en) * | 2002-03-06 | 2003-10-01 | Schott Glas | Equipment to distribute glass-fusion into a feeding-channel of a float-apparatus for manufacturing a floated glass-band |
| JP2005527450A (en) * | 2002-03-06 | 2005-09-15 | ショット アクチエンゲゼルシャフト | A device for metering glass melts in the supply passage of a float facility for producing suspended glass ribbons |
| 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 |
| CN2784407Y (en) * | 2004-12-09 | 2006-05-31 | 岳雷彩 | Apparatus for controlling molten glass flow |
| CN202246377U (en) * | 2011-10-24 | 2012-05-30 | 成都光明光电股份有限公司 | Glass flow rate control device |
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