CN105481230A - Glass substrate smelting furnace - Google Patents
Glass substrate smelting furnace Download PDFInfo
- Publication number
- CN105481230A CN105481230A CN201511023011.2A CN201511023011A CN105481230A CN 105481230 A CN105481230 A CN 105481230A CN 201511023011 A CN201511023011 A CN 201511023011A CN 105481230 A CN105481230 A CN 105481230A
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- CN
- China
- Prior art keywords
- smelting furnace
- furnace body
- smelting
- glass substrate
- molten bath
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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
- C03B5/04—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in tank furnaces
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a glass substrate smelting furnace which comprises a smelting furnace body (5). The smelting furnace body extends forwards to form a pre-smelting pond (1). Two feed inlets (2) are symmetrically formed in a front breast wall of the pre-smelting pond. A left breast wall and a right breast wall are each provided with a burning lance (3), and a smoke outlet (4) is further formed in the upper portion of the front breast wall. The pre-smelting pond is additionally arranged on the front side of the smelting furnace body, batch can be pre-smelted at high temperature firstly through the burning lances, and heated and pre-smelted liquid glass flows into a smelting pond of the smelting furnace body and only needs little energy to obviously improve smelting quality; meanwhile, the feed inlets are formed in the front breast wall of the pre-smelting pond, temperature influences of a material pile formed by the accumulated batch on the smelting furnace body can be reduced or even eliminated, and the material pile only fluctuates in the pre-smelting pond and does not affect the temperature of the smelting pond of the smelting furnace body. Process stability is guaranteed, and a good foundation is provided for product quality.
Description
Technical field
The present invention relates to glass substrate production technical field, particularly, relate to a kind of glass substrate smelting furnace.
Background technology
Along with the progress of science and technology, electronic product equipment required for society obtains development at full speed, along with the fast development of electronic glass, the market demand of glass substrate rises year by year, in glass substrate is produced, tank furnace is as the critical process in hot junction, and the stable importance of its technique is self-evident.
In glass substrate is produced, kiln role is only fusing, and clarification, homogenizing, cooling are the task of rear operation.And be rear operation provides temperature-stable, the glass metal of uniform composition is kiln operation top priority.
The kiln that in usual glass substrate melting process, many employing sizes are little, melting area is limited, adopts totally enclosed helical feed feed simultaneously, the raw material that in the admixtion founded, many employing fusing points are higher.Because furnace area is relatively little, screw feeder blanking point concentrate and close to tank block, easily form buildup in blanking place, and advance fusing to kiln direction, advance the landslide of buildup in melting process that raw material material mountain can be caused unstable, cause kiln temperature to change, affect technology stability, affect quality product.Therefore a kind of can solution during glass substrate is produced is provided to have positive effect because of the fluctuate novel glass substrate smelting furnace of the kiln technological fluctuation problem caused of melting area finite sum material mountain.
Summary of the invention
The object of this invention is to provide a kind of glass substrate smelting furnace, this glass substrate smelting furnace can carry out fritting to admixtion, ensures technology stability and quality product.
To achieve these goals, the invention provides a kind of glass substrate smelting furnace, comprise smelting furnace body, described smelting furnace body extends forward pre-molten bath, on the front side breastwork in this pre-molten bath, symmetry offers two charging openings, left and right sides breastwork offers burning muzzle respectively, and above the breastwork of front side, also offers a smoke outlet.
Alternatively, described pre-molten bath is narrower than described smelting furnace body.
Alternatively, the medullary ray in described pre-molten bath is consistent with described smelting furnace body.
Alternatively, cross described front side breastwork through the blanking point of the charging machine of described charging opening to extend internally 50 ~ 200mm.
Alternatively, described two burning muzzle misplace respectively and are arranged on the breastwork of the left and right sides.
Alternatively, the height of described smoke outlet is higher than described two charging openings and burn muzzle, and medullary ray is consistent with the medullary ray of described smelting furnace body.
In technique scheme, by setting up pre-molten bath on the front side of smelting furnace body, first admixtion can be carried out fritting by pre-molten bath, only need an a small amount of energy just can significantly improve refining quality in the melting pool that glass metal after heating fritting flows to smelting furnace body, simultaneously because charging opening is arranged on the front side breastwork in pre-molten bath, the material mountain that the admixtion piled up is formed will reduce even to be cancelled for the temperature impact of smelting furnace body, fluctuation in material Jin Yu molten bath, mountain, the temperature of the melting pool of smelting furnace body can not be affected, ensure technology stability, for quality product provides a good basis.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the vertical view of glass substrate smelting furnace provided by the invention.
Fig. 2 is the side-view in pre-molten bath provided by the invention.
Fig. 3 is the front view in pre-molten bath provided by the invention.
Description of reference numerals
1 pre-molten bath 2 charging opening
3 burn muzzle 4 smoke outlet
5 smelting furnace bodies
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality such as " up, down, left, right, before and after " of use typically refers to the orientation of people in the face of glass substrate smelting furnace sight line indication, and " inside and outside " refers to the interior and outer of accompanying drawing respective profile.
As shown in Figure 1 to Figure 3, the invention provides a kind of glass substrate smelting furnace, comprise smelting furnace body 5, wherein, smelting furnace body 5 extends forward pre-molten bath 1, the front side breastwork in this pre-molten bath 1 offers symmetrically arranged two charging openings 2, left and right sides breastwork offers respectively and burns muzzle 3, and above the breastwork of front side, also offer a smoke outlet 4.Namely, first by charging machine, admixtion is entered in pre-molten bath 1 by charging opening 2, then carry out heating at the high temperature burning the ejection of muzzle 3 place to the admixtion that conveying is come in melt, and the admixtion constantly added can with the glass metal mixing fritting of melting, make fritting better effects if, only need an a small amount of energy just can significantly improve refining quality in the melting pool that glass metal like this after heating fritting flows to smelting furnace body 5, and the flue gas melting generation can be discharged from smoke outlet 4, ensure the security of glass substrate smelting furnace.Meanwhile, because charging opening 2 is arranged on the front side breastwork in pre-molten bath 1, the material mountain that the admixtion piled up is formed will reduce even to be cancelled for the temperature impact of smelting furnace body 5, fluctuation in material Jin Yu molten bath, mountain 1, the temperature of the melting pool of smelting furnace body 5 can not be affected, ensure technology stability.
It should be noted that, the mode that can realize technical solution of the present invention has multiple, the structure in such as pre-molten bath 1 and specific design etc., the present invention for convenience of description, in this introduction preferred implementation wherein, this preferred implementation, only for illustration of the present invention, is not limited to the present invention.
As shown in Figure 1, the width in pre-molten bath 1 provided by the invention is narrower than smelting furnace body 5, pre-molten bath 1 and smelting furnace body 5 are had significantly to demarcate, wherein, selected by the brick material of pre-molten bath 1, material is the same with each docking site of kiln body 5 material used, is high temperature resistant, that resistant to corrosion, low bulk, amount of glassy phase are low refractory materials.
Again as shown in Figure 1, in a preferred embodiment of the invention, the medullary ray in pre-molten bath 1 is consistent with smelting furnace body 5, and the glass metal after ensureing fritting like this can evenly flow in the melting pool of smelting furnace body 5, ensure that glass metal can be melted more all fully even, make technique more stable.
The buildup that generation is more near charging opening 2 is caused in order to avoid feed end temperature is lower, in a preferred embodiment of the invention, the blanking point of charging machine through charging opening 2 can be crossed front side breastwork to extend internally 50 ~ 200mm, in other words, by the blanking point of charging machine reach cross front side breastwork nogging on along and adaptive extension 50 ~ 200mm, on the high temp glass liquid that admixtion can be made directly to drop in pre-molten bath 1, the material mountain of such accumulation is thinning, tiling, the area covered in pre-molten bath 1 becomes large, effectively, reasonably expand melting area, make fusing more abundant, evenly, simultaneously admixtion is crossed nogging and is directly dropped on glass metal and can avoid admixtion washing away to pool wall in blanking process, corrode, reduce pool wall to wash away, corrode and produce calculus defect to the impact of product quality, also extend the work-ing life of smelting furnace simultaneously.
As shown in Figure 1, two burning muzzle 3 misplace respectively and are arranged on the breastwork of the left and right sides, can increase flame thermal radiation area like this, effectively increase the utilization ratio of combustion gas energy, improve melting efficiency, wherein, total oxygen Sweet natural gas can be selected to flux, it is less that combustion of natural gas produces waste gas, the clean foreign of the energy remains, the fusing of calorific value height is effective, and thermal radiation area is wide, uniform heat distribution, and admixtion heat absorption is more abundant.
As shown in Figure 3, the height of smoke outlet 4 is higher than two charging openings 2 and burn muzzle 3, high-temperature flue gas can be met under the draft effect being subject to chimney, the top in pre-molten bath 1 is flow to by melting pool, in the process of discharge facilitating flue gas, also the admixtion constantly entering inside, pre-molten bath 1 is heated, effectively can reduce the usage quantity of the Sweet natural gas in pre-molten bath 1, and meanwhile, the temperature of high-temperature flue gas flue gas after the heat absorption of admixtion also can constantly decline, and the effective utilization for fume afterheat also reaches energy-saving and cost-reducing effect.The medullary ray of smoke outlet 4 is consistent with the medullary ray of smelting furnace body 5, being also even in order to ensure the flow of flue gas of disperseing, being also conducive to homogeneous heating admixtion.
To sum up, the invention provides a kind of glass substrate smelting furnace, by setting up pre-molten bath 1 on the front side of smelting furnace body 5, the high temperature that first admixtion is sprayed by the burning muzzle 3 in pre-molten bath 1 can be carried out fritting, only need an a small amount of energy just can significantly improve refining quality in the melting pool that glass metal after heating fritting flows to smelting furnace body 5, simultaneously because charging opening 2 is arranged on the front side breastwork in pre-molten bath 1, the material mountain that the admixtion piled up is formed will reduce even to be cancelled for the temperature impact of smelting furnace body 5, fluctuation in material Jin Yu molten bath, mountain 1, the temperature of the melting pool of smelting furnace body 5 can not be affected, ensure technology stability, for quality product provides a good basis.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (6)
1. a glass substrate smelting furnace, comprise smelting furnace body (5), it is characterized in that, described smelting furnace body (5) is extended forward pre-molten bath (1), on the front side breastwork in this pre-molten bath (1), symmetry offers two charging openings (2), left and right sides breastwork offers respectively and burns muzzle (3), and above the breastwork of front side, also offer a smoke outlet (4).
2. glass substrate smelting furnace according to claim 1, is characterized in that, described pre-molten bath (1) is narrower than described smelting furnace body (5).
3. glass substrate smelting furnace according to claim 1, is characterized in that, the medullary ray of described pre-molten bath (1) is consistent with described smelting furnace body (5).
4. glass substrate smelting furnace according to claim 1, is characterized in that, the blanking point through the charging machine of described charging opening (2) is crossed described front side breastwork and to be extended internally 50 ~ 200mm.
5. glass substrate smelting furnace according to claim 1, is characterized in that, described two burnings muzzle (3) misplace respectively and are arranged on the breastwork of the left and right sides.
6. glass substrate smelting furnace according to claim 1, it is characterized in that, the height of described smoke outlet (4) is higher than described two charging openings (2) and burn muzzle (3), and medullary ray is consistent with the medullary ray of described smelting furnace body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511023011.2A CN105481230A (en) | 2015-12-29 | 2015-12-29 | Glass substrate smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511023011.2A CN105481230A (en) | 2015-12-29 | 2015-12-29 | Glass substrate smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105481230A true CN105481230A (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511023011.2A Pending CN105481230A (en) | 2015-12-29 | 2015-12-29 | Glass substrate smelting furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN105481230A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11492281B2 (en) | 2017-06-28 | 2022-11-08 | Corning Incorporated | Melters for glass forming apparatuses |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112092A (en) * | 1993-11-02 | 1995-11-22 | 圣戈班玻璃制造公司 | Apparatus for melting glass |
| CN101353221A (en) * | 2008-08-30 | 2009-01-28 | 中国建材国际工程有限公司 | Method for converting air combustion-supporting kiln into all-oxygen combustion kiln without shutdown of furnace |
| CN101880120A (en) * | 2009-05-08 | 2010-11-10 | 河北东旭投资集团有限公司 | Glass tank for melting high-boron low-alkali or alkali-free glass |
-
2015
- 2015-12-29 CN CN201511023011.2A patent/CN105481230A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112092A (en) * | 1993-11-02 | 1995-11-22 | 圣戈班玻璃制造公司 | Apparatus for melting glass |
| CN101353221A (en) * | 2008-08-30 | 2009-01-28 | 中国建材国际工程有限公司 | Method for converting air combustion-supporting kiln into all-oxygen combustion kiln without shutdown of furnace |
| CN101880120A (en) * | 2009-05-08 | 2010-11-10 | 河北东旭投资集团有限公司 | Glass tank for melting high-boron low-alkali or alkali-free glass |
Non-Patent Citations (1)
| Title |
|---|
| 孙承绪等: "《玻璃窑炉热工计算及设计》", 30 April 1983, 中国建筑工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11492281B2 (en) | 2017-06-28 | 2022-11-08 | Corning Incorporated | Melters for glass forming apparatuses |
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Application publication date: 20160413 |