CN104291553B - A kind of molten tin bath transverse temperature difference slowing device - Google Patents
A kind of molten tin bath transverse temperature difference slowing device Download PDFInfo
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- CN104291553B CN104291553B CN201410575594.9A CN201410575594A CN104291553B CN 104291553 B CN104291553 B CN 104291553B CN 201410575594 A CN201410575594 A CN 201410575594A CN 104291553 B CN104291553 B CN 104291553B
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- molten tin
- tin bath
- pipe
- head space
- cooling tube
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- 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
- C03B18/18—Controlling or regulating the temperature of the float bath; Composition or purification of the float bath
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
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- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The present invention relates to a kind of molten tin bath transverse temperature difference slowing device, it is connected the shell formed including by side wall of outer shell (1) and top cover (4), the molten tin bath space (5) cooperatively formed by nogging (2) and dome brick (3) it is provided with in described shell, it is provided with between an airtight groove head space (6) between described dome brick (3) and top cover (4), between described groove head space, (6) connect nitrogen hydrogen station (10) also by air inlet pipe (9), it is characterized in that: described nogging (2) is provided with at least one communicating pipe (2a), described molten tin bath space (5) is by connecting with (6) between groove head space communicating pipe (2a), one cooling tube communicated therewith (7) of upper connection of described communicating pipe (2a), it is interior that each described cooling tube (7) is arranged at (6) between groove head space.Advantages of the present invention: this device makes protective gas circulate in molten tin bath, makes transverse temperature equilibrium in molten tin bath, it is ensured that work on hand system, it is not necessary to extra power.
Description
Technical field
The present invention relates to float glass equipment, particularly to a kind of molten tin bath transverse temperature difference slowing device.
Technical background
In plate glass floating process, molten tin bath is former, and for containing the tin liquor of fusing, the vitreous humour of fusing enters molten tin bath, the plate glass outlet molten tin bath of molding, is swum in by vitreous humour and shakeouts in tin liquor and form plate glass.Owing to tin liquor is oxidizable, therefore must nitrogen injection mixes with hydrogen in molten tin bath protective gas, remain malleation in making molten tin bath, to avoid the outer oxygen of molten tin bath to enter molten tin bath.Nitrogen hydrogen protective gas injects from tin groove roof, penetrates into from molten tin bath dome brick gap in molten tin bath, imports and exports spilling from molten tin bath and gap is oozed out.
Molten tin bath is the long casing of square-section, by between steel shell sidewall, inner lining refractory block material, groove head space, molten tin bath space, tin liquor and other etc. form, and be furnished with some auxiliary equipments, such as electric heater, water coolers, edge machine etc..In molten tin bath, heat is brought into by the glass tape of heat, due to inhomogeneous cooling, heat radiations such as water coolers, edge machine, cell bodies, transverse temperature can be formed poor in molten tin bath, make glass tape middle portion temperature height, edge temperature low, the glass plate thin and thick difference making shaping becomes big, reducing forming of glass quality, when thin glass production, this problem is particularly acute.
Prior art is, arranges electric heater on molten tin bath sidewall, and it is interior to molten tin bath Edge Heating that electrically heated rod stretches into molten tin bath, adds molten tin bath energy consumption, and heating homo-effect is poor, it is difficult to meet current ultra-thin glass and the requirement of high-quality glass production.
Having patent name before this is: molten tin bath temperature equalization system；Patent No.: the patent of 201420165764.1, its basic structure arranges trachea in being included in molten tin bath side wall, and this trachea is rectangular section tube, longitudinally disposed along molten tin bath side wall；The inner side of described trachea connects exhaust tube, and this exhaust tube is longitudinally disposed in a row, and the outside mouth of pipe of each exhaust tube protrudes from molten tin bath side wall internal face；The outside of described trachea connects air entraining pipe, and this air entraining pipe is equipped with flow control valve and air filter, and is connected with the air inlet of air-introduced machine；The air outlet of described air-introduced machine connects back to trachea, this muffler and nitrogen hydrogen mixeding gas conveying pipe and be communicated to molten tin bath top and be all pressed into the return-air arm of air chamber and be connected.Molten tin bath sidewall arranges trachea, forces the gas flowing carrying out middle part with edge with blower fan, to reach the purpose of homogenization temperature.But this patent there is also following shortcoming: one is that temperature can change, and have impact on existing working system in order to protective gas is drawn out of after molten tin bath reinjects；Two is additionally to increase power for needs.Through extensively retrieval, not yet find ideal technical scheme.
Summary of the invention
The invention aims to solve the problem of the transverse temperature difference inequality in glass forming process, and a kind of molten tin bath transverse temperature difference slowing device is provided.
To achieve these goals, present invention employs following technical scheme:
A kind of molten tin bath transverse temperature difference slowing device, it is connected the shell formed including by side wall of outer shell and top cover, the molten tin bath space cooperatively formed by nogging and dome brick it is provided with in described shell, it is additionally provided with between described dome brick and top cover between a groove head space, nitrogen hydrogen station is connected also by air inlet pipe between described groove head space, it is characterized in that: described nogging is provided with at least one communicating pipe, described molten tin bath space is by connecting between communicating pipe with groove head space, connecting a cooling tube communicated therewith on described communicating pipe, each described cooling tube is arranged in groove head space.
On the basis of technique scheme, it is also possible to have a technical scheme further below:
Described cooling tube is a siphunculus.
Described cooling tube includes the lower through-tube being connected with described communicating pipe, and lower through-tube erects cold pipe by one group and connects the upper siphunculus communicated therewith, and described upper siphunculus one end connects gas guide pipe.
Described cooling tube is fixedly connected on described top cover by one group of connector.
Described air inlet pipe connects with described cooling tube.
The lower end of described air inlet pipe is provided with a gas outlet, and gas outlet is higher than the upper side of described dome brick.
Described gas guide pipe is the most tilting with air inlet pipe to be connected.
The protective gas that described nitrogen hydrogen station provides passes through gas injection tube and injects in groove head space, penetrates into from molten tin bath dome brick gap in molten tin bath space, imports and exports spilling from molten tin bath and gap is oozed out.
Owing to tin liquor is oxidizable, therefore must nitrogen injection mixes with hydrogen in molten tin bath protective gas, remain malleation in making molten tin bath, to avoid the outer oxygen of molten tin bath to enter molten tin bath.
Molten tin bath space temperature is high, groove top space temperature is low, gas from pressure general goal flow to pressure little from, flow at low temperature at high-temperature.Under the gas injection tube effect with guide pipe, can form jet effect, in drive, in siphunculus, gas flows out, and forms cross current in molten tin bath.Groove top space temperature is relatively low, can cool down the gas of higher temperature in perpendicular cold pipe, can accelerate the rising flowing of gas in perpendicular cold pipe, for increasing cross current effect, therefore be provided with many perpendicular cold pipes.Under the dual function of jet effect and perpendicular cold pipe cooling, laterally gas flowing in molten tin bath can be realized, the most just can slow down transverse temperature difference in molten tin bath.
Advantages of the present invention: this device is little to the change of existing equipment, carries out traverse cycle in molten tin bath by protective gas, makes transverse temperature equilibrium in molten tin bath; improve the quality of product, do not interfere with existing working system, and without extra power; save the energy, reduce cost.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Embodiment
nullEmbodiment 1: as shown in Figure 1，A kind of molten tin bath transverse temperature difference slowing device，It is connected the shell formed including by side wall of outer shell 1 and top cover 4，The molten tin bath space 5 cooperatively formed by nogging 2 and dome brick 3 it is provided with in described shell，Described dome brick 3 is connected by connector 8 is fixing with top cover 4，6 it are provided with between a groove head space between described dome brick 3 and top cover 4，It is characterized in that: on the nogging 2 of described 1 liang of sidelining of side wall of outer shell, be provided with row's communicating pipe 2a respectively，The mutual corresponding matching of communicating pipe 2a of both sides，Described communicating pipe 2a is a L-type pipe，Each communicating pipe 2a is connected with between molten tin bath space 5 and groove head space 6 respectively，A cooling tube communicated therewith 7 is connected on described communicating pipe 2a，In described cooling tube 7 can be directly placed between described groove head space 6，Can also connect on top cover 4 by described connector 8 is fixing，The preferred the latter of the application，Described cooling tube 7 is a through-pipe structure，It can be straight tube or bend pipe；Described cooling tube 7 can also use the structure of example below.
A nitrogen hydrogen station 10 it is additionally provided with outside described side wall of outer shell 1; described nitrogen hydrogen station 10 is the protective gas supply station being made up of hydrogen and argon; nitrogen hydrogen station 10 connects between the groove head space communicated therewith 6 by air inlet pipe 9; the lower end of described air inlet pipe 9 is provided with a gas outlet 9a; gas outlet 9a is arranged on the downside of 6 between groove head space, to improve jet effect.In described air inlet pipe 9 can be provided separately between described groove head space 6, it is connected on cooling tube 7 also by pipe joint, the preferred the latter of the application.
Embodiment 2: the cooling tube 7 described in embodiment 1 can also be following structure, it includes lower through-tube 7a, corresponding with on the nogging 2 of described both sides respectively the connecting communicating pipe 2a in the two ends of lower through-tube 7a, lower through-tube 7a erects cold pipe 7c by one group and connects the upper siphunculus 7b communicated therewith, one end of described upper siphunculus 7b connects gas guide pipe 7d, described gas guide pipe 7d is connected to the middle part of described air inlet pipe 9, and the most tilting be connected with it, described lower through-tube 7a and upper siphunculus 7b can be all one or more, and it can use straight tube or bend pipe structure.
The compound mode of cooling tube 7 can use: a lower through-tube 7a connects a upper siphunculus 7b by perpendicular cold pipe 7c；One lower through-tube 7a connects multiple upper siphunculus 7b by perpendicular cold pipe 7c；Multiple lower through-tube 7a connect a upper siphunculus 7b by perpendicular cold pipe 7c；Multiple lower through-tube 7a connect the combination in any modes such as multiple upper siphunculus 7b by perpendicular cold pipe 7c.The application compound mode is preferably: two communicating pipe 2a corresponding on both sides nogging 2 is connected by a lower through-tube 7a, and each lower through-tube 7a erects cold pipe 7c by one group and connects a upper siphunculus 7b.
Claims (3)
1. a molten tin bath transverse temperature difference slowing device, it is connected the shell formed including by side wall of outer shell (1) and top cover (4), the molten tin bath space (5) cooperatively formed by nogging (2) and dome brick (3) it is provided with in described shell, it is additionally provided with between a groove head space (6) between described dome brick (3) and top cover (4), between described groove head space, (6) connect nitrogen hydrogen station (10) also by air inlet pipe (9), it is characterized in that: described nogging (2) is provided with at least one communicating pipe (2a), described molten tin bath space (5) is by connecting with (6) between groove head space communicating pipe (2a), one cooling tube communicated therewith (7) of upper connection of described communicating pipe (2a), it is interior that each described cooling tube (7) is arranged at (6) between groove head space；
Described cooling tube (7) is a siphunculus；
Described cooling tube (7) includes the lower through-tube (7a) being connected with described communicating pipe (2a), and lower through-tube (7a) erects cold pipe (7c) by one group and connects the upper siphunculus (7b) communicated therewith, and one end of described upper siphunculus (7b) connects gas guide pipe (7d)；
Described air inlet pipe (9) connects with described cooling tube (7)；
The lower end of described air inlet pipe (9) is provided with a gas outlet (9a), and gas outlet (9a) is arranged on the downside of (6) between groove head space, to improve jet effect.
A kind of molten tin bath transverse temperature difference slowing device, it is characterised in that: described cooling tube (7) is fixedly connected on described top cover (4) by one group of connector (8).
A kind of molten tin bath transverse temperature difference slowing device, it is characterised in that: described gas guide pipe (7d) is the most tilting with air inlet pipe (9) to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410575594.9A CN104291553B (en) | 2014-10-25 | 2014-10-25 | A kind of molten tin bath transverse temperature difference slowing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410575594.9A CN104291553B (en) | 2014-10-25 | 2014-10-25 | A kind of molten tin bath transverse temperature difference slowing device |
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| CN104291553A CN104291553A (en) | 2015-01-21 |
| CN104291553B true CN104291553B (en) | 2016-10-26 |
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| CN201410575594.9A Active CN104291553B (en) | 2014-10-25 | 2014-10-25 | A kind of molten tin bath transverse temperature difference slowing device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803585B (en) * | 2015-05-09 | 2017-12-01 | 蚌埠玻璃工业设计研究院 | A kind of molten tin bath plate glass pollutes slowing device |
| CN105060684B (en) * | 2015-08-06 | 2017-04-26 | 蚌埠玻璃工业设计研究院 | Arc top cover of extraordinary sheet glass tin groove |
| CN108863026B (en) * | 2018-07-17 | 2022-03-01 | 东旭光电科技股份有限公司 | Gas supply device and float glass tin bath |
| CN113402157B (en) * | 2021-07-30 | 2022-06-03 | 重庆鑫景特种玻璃有限公司 | Float glass tin bath top cover cooling control method and cooling system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001089165A (en) * | 1999-09-28 | 2001-04-03 | Central Glass Co Ltd | Production of float plate glass |
| CN201704198U (en) * | 2010-07-01 | 2011-01-12 | 深圳市凯盛科技工程有限公司 | Protective gas flow guide device of tin bath |
| CN203782019U (en) * | 2014-04-08 | 2014-08-20 | 秦皇岛耀华玻璃机械制造有限责任公司 | Molten tin bath temperature equalization device |
| CN204079759U (en) * | 2014-10-25 | 2015-01-07 | 蚌埠玻璃工业设计研究院 | A kind of molten tin bath transverse temperature difference slowing device |
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