CN111470756A - Independent melting wide-body melting furnace for electronic display glass production - Google Patents
Independent melting wide-body melting furnace for electronic display glass production Download PDFInfo
- Publication number
- CN111470756A CN111470756A CN202010447463.8A CN202010447463A CN111470756A CN 111470756 A CN111470756 A CN 111470756A CN 202010447463 A CN202010447463 A CN 202010447463A CN 111470756 A CN111470756 A CN 111470756A
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- melting
- melting furnace
- furnace
- electronic display
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- 238000002844 melting Methods 0.000 title claims abstract description 83
- 230000008018 melting Effects 0.000 title claims abstract description 83
- 239000011521 glass Substances 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000005192 partition Methods 0.000 claims abstract description 14
- 239000000779 smoke Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000005352 clarification Methods 0.000 claims description 2
- 239000006060 molten glass Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 210000000481 breast Anatomy 0.000 description 9
- 239000000156 glass melt Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
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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
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/027—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating
- C03B5/03—Tank furnaces
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The invention provides an independent melting wide-body melting furnace for producing electronic display glass, which comprises a melting furnace (1), wherein the melting furnace (1) is internally divided into a feeding part (1 a), a melting part (1 b) and a clarifying part (1 c) along the flowing direction of molten glass, a group of first heating electrodes (9) are symmetrically arranged on the wall of the melting part (1 b), and a group of first burners (5) are symmetrically arranged, and the independent melting wide-body melting furnace is characterized in that: notches (2) are arranged on the bottom of the charging part (1 a) and the melting part (1 b), partition walls (3) are arranged on the notches (2), arch tops (10) are arranged on the partition walls (3) and the tank walls on two sides of the melting furnace (1) in a spanning mode, and second heating electrodes (4) and second burners (6) which are correspondingly matched with the first heating electrodes (9) and the first burners (5) are further arranged on the partition walls (3) in the range of the melting part (1 b). The invention has simple structure and convenient use, improves the productivity of the melting furnace by increasing the width of the melting furnace under the condition of not changing the heating process, and is convenient for maintenance.
Description
The technical field is as follows:
the invention relates to the field of glass production, in particular to an independent melting wide-body melting furnace for electronic display glass production.
Background art:
in the field of manufacturing electronic display glass (TFT-L CD glass), a melting furnace consists of a feeding part, a melting part, a clarifying part and other parts, the vertical cross section comprises a tank bottom, a tank wall, a breast wall and an arch top, a smoke exhaust port is arranged on the breast wall, the tank bottom and the tank wall need to be air-cooled, the tank bottom and the tank wall are used for containing glass melt, an upper space is formed between the plane of the glass melt and the arch top of the feeding part, a combustion space is formed between the plane of the glass melt and the arch top of the melting part, and the melting furnace is integrally supported and fixed in a suspension manner.
In order to meet the technological requirements, the melting temperature of the glass liquid reaches 1680 ℃, the raw materials are heated to a melting and conducting state by an oxygen-enriched burner, then the raw materials are continuously heated to the temperature required by the technology by a heating electrode, the oxygen-enriched burner is arranged on the upper part of the tank wall and is higher than the plane of the glass melt, and the heating electrode is arranged on two sides of the lower part of the tank wall and is lower than the plane of the glass melt. There is an urgent market need to improve the melting capacity of melting furnaces to produce wider breadth electronic display glass.
At present, considering the safety factor, when the voltage of the heating electrode is used to the limit, the melting capacity of the melting furnace cannot be improved by increasing the voltage, that is, the melting capacity of the melting furnace cannot be improved by increasing the width of the furnace body, and only increasing the length of the furnace body can cause the heating efficiency to be greatly reduced. The method comprises the following steps of arranging a heating electrode on the bottom of a tank to shorten the distance between the heating electrodes after increasing the width of a melting furnace body, wherein the heating electrode is completely immersed in molten glass, so that the heating electrode cannot be replaced, and the path of heating current is not beneficial to heating. Increasing the width of the melting section of the melting furnace has become a development bottleneck in the electronic display glass industry.
In Chinese patent "wide body melting furnace (201911124368.8) for electronic display glass production", a solution for the wide body melting furnace is provided, but problems of heat dissipation difficulty in the cavity of the cover body, inconvenience in maintenance of heating parts and the like exist.
The invention content is as follows:
the invention aims to overcome the defects in the prior art and provides an independent melting wide-body melting furnace for producing electronic display glass.
The application provides the following technical scheme:
the utility model provides an independent melting broad-bodied melting furnace for electronic display glass production, it includes the melting furnace, divide into charging portion, melting portion and clarification portion along the glass liquid flow direction in the melting furnace, and the symmetry is equipped with a set of first heating electrode and a set of first combustor on the pool wall of melting portion, still is equipped with its characterized in that of first exhaust port in first combustor top: the furnace bottom of the melting part is provided with a first heating electrode and a first burner, the furnace bottom of the melting part is provided with a notch, the notch is provided with a partition wall, the horizontal end of the notch communicated with the outside is positioned on one side of the feeding part, the partition wall and the furnace walls on the two sides of the melting furnace are provided with an arch top in a spanning manner, the partition wall in the range of the melting part is also provided with a second heating electrode and a second burner corresponding to the first heating electrode and the first burner, and the partition wall in the range of the melting part is also provided with a second smoke outlet distributed corresponding to the first smoke outlet.
On the basis of the technical scheme, the following further technical scheme can be provided:
the axis of breach and the axis collineation of feeding portion, melting portion, and the horizontal end of breach and external intercommunication is located feeding portion one side.
The invention has the advantages that:
the invention has simple structure and convenient use, improves the productivity of the melting furnace by increasing the width of the melting furnace under the condition of not changing the heating process, and is convenient for maintenance.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view A-A of FIG. 1;
fig. 3 is a sectional view B-B in fig. 1.
The specific implementation mode is as follows:
1-3, a stand-alone wide melt melter for electronic display glass production includes a melter 1 having a width that is twice that of the original melter 1.
The melting furnace 1 is internally divided into a feeding part 1a, a melting part 1b and a clarifying part 1c along the flowing direction of molten glass 12, a group of first heating electrodes 9 are symmetrically arranged on the wall of the melting part 1b below the liquid level of the molten glass 12, and the group of first heating electrodes 9 are divided into two rows and symmetrically distributed on the wall of the melting furnace at two sides.
A group of first burners 5 are also arranged on the tank wall above the liquid level of the molten glass 12, and the group of first burners 5 are divided into two rows and symmetrically distributed on the tank wall at two sides of the melting furnace. A first smoke hole 7 is also arranged on the breast wall 11 of the melting furnace above the first burner 5. The first burners 5 are horizontally distributed above the liquid level of the molten glass 12.
The bottom of the feeding portion 1a and the melting portion 1b is provided with a notch 2, the central axis of the notch 2 is collinear with the central axes of the feeding portion 1a and the melting portion 1b, and the horizontal end of the notch 2 communicated with the outside is positioned on one side of the feeding portion 1 a. The notch 2 is provided with a groove-shaped dividing wall 3, and the charging part 1a and the melting part 1b are divided into a left charging part and a right charging part and two melting parts by the notch 2 and the dividing walls 3 on both sides, and the left charging part and the right melting part respectively have independent melting functions.
Because of the two melting parts, the melting area is increased, and the melting amount is increased. And the gap provides convenience for a serviceman to perform maintenance on the second burner 6 and the second heating electrode 4 mentioned below.
The partition walls 3 on two sides of the gap 2 are provided with breast walls 3a, and the breast walls 3a above the second burner 6 are provided with second smoke outlets 8 which are distributed corresponding to the first smoke outlets 7. And a crown 10 is arranged between the breast wall 3a at the two sides of the gap 2 and the upper end of the melting furnace breast wall 11 in a spanning manner. The arch top 10, the breast wall 3a and the melting furnace breast wall 11 are of an integrated structure. A certain distance is arranged between the left arch top 10 and the right arch top 10.
The wavy line in the figure is a schematic line of the current between the second heating electrode 4 and the first heating electrode 9.
The raw materials enter two feeding parts at the same time, then flow into two melting parts for heating at the same time, finally flow into the same clarifying part, and after being clarified in the clarifying part, flow into the next procedure from the clarifying part.
Claims (2)
1. The utility model provides an independent melting broad-bodied melting furnace for electronic display glass production, it includes melting furnace (1), divide into charging portion (1 a), melting portion (1 b) and clarification portion (1 c) along the glass liquid flow direction in melting furnace (1), the symmetry is equipped with a set of first heating electrode (9) and a set of first combustor (5) on the pool wall of melting portion (1 b), still is equipped with its characterized in that of first exhaust port (7) in first combustor (5) top: the furnace bottom of the feeding part (1 a) and the melting part (1 b) is provided with a notch (2), the notch (2) is provided with a partition wall (3), the horizontal end of the notch (2) communicated with the outside is positioned at one side of the feeding part (1 a), arch tops (10) are arranged on the partition wall (3) and the furnace walls at two sides of the melting furnace (1) in a crossing manner, the partition wall (3) in the range of the melting part (1 b) is also provided with a second heating electrode (4) and a second burner (6) corresponding to the first heating electrode (9) and the first burner (5), and the partition wall (3) in the range of the melting part (1 b) is also provided with a second smoke exhaust port (8) distributed corresponding to the first smoke exhaust port (7).
2. A self-contained melting wide-body melter for electronic display glass production as set forth in claim 1 wherein: the axis of breach (2) and the axis collineation of feeding portion (1 a), melting portion (1 b), and the horizontal end of breach (2) and external intercommunication is located feeding portion (1 a) one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010447463.8A CN111470756B (en) | 2020-05-25 | 2020-05-25 | Independent melting wide-body melting furnace for producing electronic display glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010447463.8A CN111470756B (en) | 2020-05-25 | 2020-05-25 | Independent melting wide-body melting furnace for producing electronic display glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111470756A true CN111470756A (en) | 2020-07-31 |
| CN111470756B CN111470756B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010447463.8A Active CN111470756B (en) | 2020-05-25 | 2020-05-25 | Independent melting wide-body melting furnace for producing electronic display glass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636741A (en) * | 2021-08-20 | 2021-11-12 | 中国建材国际工程集团有限公司 | All-electric glass melting furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300818A (en) * | 2009-01-31 | 2011-12-28 | 索尔格投资有限及两合公司 | Melting device for producing glass melts |
| CN107522387A (en) * | 2017-09-14 | 2017-12-29 | 中国建材国际工程集团有限公司 | Melting furnaces for TFT glass |
| CN209957636U (en) * | 2019-03-13 | 2020-01-17 | 泰安恒成复合材料工程技术有限公司 | Kiln with large melting rate |
| CN110818225A (en) * | 2019-11-18 | 2020-02-21 | 中建材蚌埠玻璃工业设计研究院有限公司 | Wide-body melting furnace for electronic display glass production |
| CN212357006U (en) * | 2020-05-25 | 2021-01-15 | 中建材蚌埠玻璃工业设计研究院有限公司 | Independent melting wide-body melting furnace for electronic display glass production |
-
2020
- 2020-05-25 CN CN202010447463.8A patent/CN111470756B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300818A (en) * | 2009-01-31 | 2011-12-28 | 索尔格投资有限及两合公司 | Melting device for producing glass melts |
| CN107522387A (en) * | 2017-09-14 | 2017-12-29 | 中国建材国际工程集团有限公司 | Melting furnaces for TFT glass |
| CN209957636U (en) * | 2019-03-13 | 2020-01-17 | 泰安恒成复合材料工程技术有限公司 | Kiln with large melting rate |
| CN110818225A (en) * | 2019-11-18 | 2020-02-21 | 中建材蚌埠玻璃工业设计研究院有限公司 | Wide-body melting furnace for electronic display glass production |
| CN212357006U (en) * | 2020-05-25 | 2021-01-15 | 中建材蚌埠玻璃工业设计研究院有限公司 | Independent melting wide-body melting furnace for electronic display glass production |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636741A (en) * | 2021-08-20 | 2021-11-12 | 中国建材国际工程集团有限公司 | All-electric glass melting furnace |
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| CN111470756B (en) | 2024-04-19 |
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Country or region after: China Address after: 233010 Tushan Road 1047, Yuhui District, Bengbu City, Anhui Province Applicant after: China Building Materials Glass New Materials Research Institute Group Co.,Ltd. Address before: 233010 Tushan Road 1047, Yuhui District, Bengbu City, Anhui Province Applicant before: CHINA BUILDING MATERIALS BENGBU GLASS INDUSTRY DESIGN & RESEARCH INSTITUTE Co.,Ltd. Country or region before: China |
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