CN102992582B - Sheet-glass tank furnace structure with independent clarifying part and adjusting method thereof - Google Patents
Sheet-glass tank furnace structure with independent clarifying part and adjusting method thereof Download PDFInfo
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- CN102992582B CN102992582B CN201210525206.7A CN201210525206A CN102992582B CN 102992582 B CN102992582 B CN 102992582B CN 201210525206 A CN201210525206 A CN 201210525206A CN 102992582 B CN102992582 B CN 102992582B
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- glass
- fining
- fining end
- tank furnace
- sheet
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- 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
- C03B5/225—Refining
Abstract
The invention relates to the technical field of production equipment for sheet glasses, and in particular relates to a sheet-glass tank furnace structure with an independent clarifying part and an adjusting method of the sheet-glass tank furnace structure. The sheet-glass tank furnace structure comprises a melting part, the clarifying part, necks and a cooling part. The sheet-glass tank furnace structure is characterized in that the melting part, the clarifying part and the cooling part are provided with mutually-independent structures and are intercommunicated by narrow necks. According to the sheet-glass tank furnace structure with the independent clarifying part, the special parameter setting can be implemented based on the independence of a space of the independent clarifying part, such as temperature, pressure and gas requirement, so that the influence of the fluctuation of the parameters of other working areas to a clarifying area can be reduced or avoided; e.g. the clarifying area can be independently treated by pumping air so as to form a negative pressure area, the operation at negative pressure is beneficial for discharging microbubbles in glass melt, and the benefit is provided for producing high-quality glass, ultrathin glass and other special glasses; and the clarifying part is separated from a molten part of the tank furnace, thus the length of a wide section of the tank furnace can be reduced, and the benefit is provided for designing a sheet-glass tank furnace with higher production capacity.
Description
[technical field]
The present invention relates to sheet glass production unit technical field, a kind of sheet-glass tank furnace and production method thereof with independent fining end structure, can meet high quality glass, ultra-thin glass and other special glass to the requirement of glass metal quality specifically.
[background technology]
Glass manufacture has history in 5000, from traditional sense, the production process of glass is generally through stages such as the preparation of raw material, the founding of glass, the cooling forming of glassy product, the annealing of glasswork, and the equipment wherein related to has melting furnaces, molten tin bath, annealing furnace and cutting unit.
At the melting furnaces that the glass smelting stage uses, generally be divided into pot furnace and the large class of tank furnace two, no matter be pot furnace or tank furnace, include glass smelting, thermal source supply, waste heat recovery and smoke evacuation air feed 4 parts, the difference that its difference is only the material of kiln thorax inside, production operation technique and produces on suitable application area.
For tank furnace, kiln thorax, by refractory material laying, not only can realize continous way operation but also can carry out batch operation, can be used for manufacturing the glass waress such as sheet glass, container glass, Glass tubing.Intermittent type tank furnace is general less, molten bath area only several square metres, mostly adopts manual or half mechanical-moulded, is applicable to produce special glass; And continuous tank, adopt continuous mechanized shaping, tank furnace capacity is large, and relative dissipated heat is few, and thermo-efficiency, apparently higher than pot furnace, is suitable for high efficiency consecutive production in enormous quantities, says to a certain extent, and pot furnace is progressively replaced.
Be conventionally used to and produce the tank furnace of sheet glass and be generally provided with the parts such as melting end, fining end, card neck and cooling end, wherein melting end is used for the founding of glass, fining end steeps for the row of glass melting liquid, card neck for the conveying of glass melting liquid, cooling end for the cooling of glass melting liquid.When frit (or claiming admixtion) drops into after melting end through batch charger, under melting end finite space flame radiation effect, progressively be melt into glass metal, the glass metal of firm fusing is rich in a large amount of bubble, the clarification of row's bubble is carried out at fining end subsequently, enter cooling end through card neck and carry out temperature adjustment, the glass metal mixed up enters molten tin bath again or other formers form sheet glass.
In current tank furnace structure, melting end and fining end are an integral construction, a kind of integrated glass tank furnace disclosed in domestic patent CN2265371Y, be made up of the melting pool of integral structure and work pool, described melting pool is form without separated melting zone and refiner two portions; And for example a kind of half cellular-type kiln disclosed in domestic patent CN102503076A, comprise pre-molten bath and melting pool, at the weir of melting pool inside, play the effect of separating melting area and settling section, but due to melting area and settling section same steel construction coated under, two-part support steel structure is still an entirety, therefore in fact still belongs to integral construction.This monolithic construction tank furnace, its shortcoming is that melting furnaces span access location length is long, expansion total amount is large, causes the process of melting furnaces steel construction complicated, dangerous; In addition, because fining end and melting end connect together, can not set up separately temperature, pressure and the atmosphere system needed for glass metal clarification pointedly, the glass produced still containing more microbubble, cannot meet the production requirement of high quality glass, ultra-thin glass or other special glass.
[summary of the invention]
The object of the invention is to the defect solving the existence of traditional tank furnace, change the integral construction of traditional tank furnace, provide a kind of and can meet high quality glass, ultra-thin glass and other special glass to the sheet-glass tank furnace of the having independently of glass metal specification of quality, fining end structure that Parameter Conditions is controlled and control method thereof.
For achieving the above object, design a kind of independent fining end sheet-glass tank furnace structure, comprise melting end, fining end, card neck and cooling end, it is characterized in that described melting end, fining end and cooling end are separate structure, melting end, between fining end and cooling end, adopt narrow card neck UNICOM.
Described independently fining end adopts enclosed construction.
Be provided with water bag or partition wall in described fining end, described water bag or partition wall are by the entrance and exit in above for fining end glass metal space and front and back spaced apart.
Electric heating device is provided with in described fining end.
Be provided with mechanical draft and machinery in described fining end to supply gas structure.
The above-mentioned control method with the sheet-glass tank furnace of independent fining end, it is characterized in that described control method comprises temperature and regulates and air pressure adjustment, described temperature control method comprises the following steps: first, enclosed independent fining end is barricaded as with steel structure support refractory materials, and in space more than fining end inner glass liquid, with water bag or partition wall by entrance and exit and front and back spaced apart, form the interlayer in enclosed space; Secondly, electric heater unit is set in fining end inside, utilizes the keying of electric heater unit to realize regulating fining end internal temperature;
Described air pressure adjustment method comprises the following steps: first, enclosed independent fining end is barricaded as with steel structure support refractory materials, and in space more than fining end inner glass liquid, with water bag or partition wall by entrance and exit and front and back spaced apart, form Ah 's interlayer in enclosed space; Secondly, be provided with mechanical draft device and mechanical air supply plant in fining end inside, the air of fining end inside is discharged by described mechanical draft device, thus fining end air pressure inside is declined, and then forms negative pressure; And mechanical air supply plant sends into the gas of special properties as required to fining end inside, thus the fining end inside closed is made to form the atmosphere surrounding needed.
The tank furnace of the present invention's design, melting end and fining end are two absolute construction, compared with conventional monolithic tank furnace, have following advantage:
1. the fining end arranged separately can utilize the independence in its space, sets up pointed parameter setting, such as temperature, pressure and demand, reduces or avoid the impact of parameter fluctuation on clarifying area of other work area; Such as, formation negative pressuren zone of can being bled separately in clarifying area, negative-pressure operation is conducive to glass metal microbubble and discharges, and is conducive to production high quality glass, ultra-thin glass and other special glass;
2. fining end is separated from tank furnace melting end, the wide segment length of tank furnace is reduced, is conducive to the sheet-glass tank furnace designing larger throughput.
[accompanying drawing explanation]
Fig. 1 is independent fining end sheet-glass tank furnace vertical view;
Fig. 2 is independent fining end sheet-glass tank furnace side-view;
1. melting end 2. fining end 3. cooling ends in figure.
[embodiment]
The object designed for making the present invention, principle and product configurations are more cheer and bright, existing by reference to the accompanying drawings and embodiment be further elaborated, believe that this tank furnace structure construction can realize for a person skilled in the art.
Inventive point of the present invention is fining end to separate from the one-piece construction of tank furnace, and both formation is structure independently, thus makes glass melting liquid have better clarifying effect.
Embodiment
This patent design tank furnace and traditional glass tank furnace form by melting end 1, fining end 2, cooling end 3 and card neck, difference as shown in Figures 1 and 2, melting end 1 and fining end 2 two-part structure separate, be separated from each other.
Described fining end 2 is the enclosed constructions formed by steel structure support refractory materials, in the space more than fining end 2 inner glass liquid, with water bag or partition wall by entrance and exit and front and back spaced apart; In order to regulate the temperature of fining end 2 inside, arrange electric heater unit in fining end 2 inside, to fining end, it carries out temperature adjustment; In order to regulate the air pressure of fining end 2 inside, be provided with mechanical draft device and mechanical air supply plant in fining end 2 inside, the air of fining end 2 inside is discharged by described mechanical draft device, thus fining end 2 air pressure inside is declined, and then forms negative pressure; And mechanical air supply plant can regulate the atmosphere requirements of fining end 2 inside, thus the fining end making to close inside formed needed for demand.
Finally the exit end of described melting end 1 is connected fining end 2 inlet end by first paragraph card neck, described fining end 2 exit end connects cooling end 3 inlet end by second segment card neck, obtains the tank furnace structure of this patent.
In actual production, melting end is used for founding of glass, fining end steeps for the row of glass melting liquid, card neck is used for the conveying of glass melting liquid, cooling end is used for the cooling of glass melting liquid, when frit (or claiming admixtion) drops into after melting end through batch charger, under melting end finite space flame radiation effect, progressively be melt into glass metal, the glass melting liquid obtained is airtight, the clarification of row's bubble is carried out in the fining end that Parameter Conditions is controlled, row steeps glass melting liquid completely and enters cooling end through card neck again and carry out temperature adjustment, the glass metal mixed up enters molten tin bath or other formers form sheet glass.
Below namely to the device structure of this patent design and describing of using method.
Claims (1)
1. one kind has the sheet-glass tank furnace control method of independent fining end, comprise melting end, fining end, card neck and cooling end, it is characterized in that described melting end, fining end and cooling end are separate structure, described melting end, between fining end and cooling end, adopt narrow card neck UNICOM, described independently fining end adopts enclosed construction, water bag or partition wall is provided with in fining end, described water bag or partition wall, by the entrance and exit in above for fining end glass metal space and front and back spaced apart, are provided with electric heating device and mechanical draft and machinery and supply gas structure in fining end;
Described control method comprises temperature and regulates and air pressure adjustment, described temperature control method comprises the following steps: first, enclosed independent fining end is barricaded as with steel structure support refractory materials, and in space more than fining end inner glass liquid, with water bag or partition wall by entrance and exit and front and back spaced apart, form the interlayer in enclosed space; Secondly, electric heater unit is set in fining end inside, utilizes the keying of electric heater unit to realize regulating fining end internal temperature;
Described air pressure adjustment method comprises the following steps: first, enclosed independent fining end is barricaded as with steel structure support refractory materials, and in space more than fining end inner glass liquid, with water bag or partition wall by entrance and exit and front and back spaced apart, form the interlayer in enclosed space; Secondly, be provided with mechanical draft device and mechanical air supply plant in fining end inside, the air of fining end inside is discharged by described mechanical draft device, thus fining end air pressure inside is declined, and then forms negative pressure; And mechanical air supply plant sends into the gas of special properties as required to fining end inside, thus the fining end inside closed is made to form the atmosphere surrounding needed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210525206.7A CN102992582B (en) | 2012-12-07 | 2012-12-07 | Sheet-glass tank furnace structure with independent clarifying part and adjusting method thereof |
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| CN201210525206.7A CN102992582B (en) | 2012-12-07 | 2012-12-07 | Sheet-glass tank furnace structure with independent clarifying part and adjusting method thereof |
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| CN102992582A CN102992582A (en) | 2013-03-27 |
| CN102992582B true CN102992582B (en) | 2015-03-11 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103910482B (en) * | 2014-03-07 | 2017-01-11 | 长兴旗滨玻璃有限公司 | Double-neck float glass melting furnace, and method used for reducing nitrogen oxide emission of double-neck float glass melting furnace |
| CN106698894B (en) * | 2016-12-20 | 2019-02-15 | 重庆天和玻璃有限公司 | A kind of glass metal defoaming device |
| CN108947206B (en) * | 2018-08-21 | 2021-07-23 | 四川虹科创新科技有限公司 | Bubble gathering drainage removing device of glass kiln |
| CN115196856B (en) * | 2022-06-28 | 2024-03-01 | 石家庄旭新光电科技有限公司 | Platinum channel for glass substrate production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0231518A2 (en) * | 1986-01-02 | 1987-08-12 | Ppg Industries, Inc. | Melting and refining of glass or the like with vacuum refining |
| CN1903755A (en) * | 2006-08-10 | 2007-01-31 | 河南安彩高科股份有限公司 | Glass manufacturing equipment used for reducing impurity in glass and its method |
| CN101717178A (en) * | 2009-11-25 | 2010-06-02 | 河北东旭投资集团有限公司 | Method for improving clarifying effect of molten glass in floating production and kiln device |
| CN202953921U (en) * | 2012-12-07 | 2013-05-29 | 中国建材国际工程集团有限公司 | Plate glass tank furnace structure with independent clarification part |
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2012
- 2012-12-07 CN CN201210525206.7A patent/CN102992582B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0231518A2 (en) * | 1986-01-02 | 1987-08-12 | Ppg Industries, Inc. | Melting and refining of glass or the like with vacuum refining |
| CN1903755A (en) * | 2006-08-10 | 2007-01-31 | 河南安彩高科股份有限公司 | Glass manufacturing equipment used for reducing impurity in glass and its method |
| CN101717178A (en) * | 2009-11-25 | 2010-06-02 | 河北东旭投资集团有限公司 | Method for improving clarifying effect of molten glass in floating production and kiln device |
| CN202953921U (en) * | 2012-12-07 | 2013-05-29 | 中国建材国际工程集团有限公司 | Plate glass tank furnace structure with independent clarification part |
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| CN102992582A (en) | 2013-03-27 |
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