CN212293292U - Double-melting-part wide-body melting furnace for electronic display glass production - Google Patents
Double-melting-part wide-body melting furnace for electronic display glass production Download PDFInfo
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- CN212293292U CN212293292U CN202020890329.0U CN202020890329U CN212293292U CN 212293292 U CN212293292 U CN 212293292U CN 202020890329 U CN202020890329 U CN 202020890329U CN 212293292 U CN212293292 U CN 212293292U
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- Prior art keywords
- melting
- walls
- wall
- pool
- arch top
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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 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000005352 clarification Methods 0.000 claims abstract description 5
- 210000000481 breast Anatomy 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000156 glass melt Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Glass Melting And Manufacturing (AREA)
Abstract
The utility model relates to a two wide body melting furnaces of melting portion for electronic display glass production, it includes melting furnace (1), divides into charging portion (1 a), melting portion (1 b) and clarification portion (1 c) in melting furnace (1), and the symmetry is equipped with a set of first heating electrode (2) and a set of first combustor (1 e) on the pool wall of melting portion (1 b), its characterized in that: the bottom of the melting part (1 b) is provided with an opening (3), the opening (3) is provided with a corresponding surrounding wall (4), the surrounding wall (4) is provided with a second heating electrode (5) correspondingly matched with the first heating electrode (2) and a second burner (6) corresponding to the first burner (1 e), and the wall of the melting part (1 b) and the surrounding wall (4) is bridged with a third arch top (7). The utility model discloses simple structure, convenient to use, under not changing heating process condition, improve the melting furnace productivity, be convenient for maintain, make the unnecessary heat in the cavity be convenient for distribute.
Description
The technical field is as follows:
the utility model relates to an electronic display glass production field, in particular to a double-melting-part wide-body melting furnace for electronic display glass production.
Background art:
in the field of manufacturing of electronic display glass (TFT-LCD glass), a melting furnace consists of a feeding part, a melting part, a clarifying part and other parts, wherein the vertical cross section comprises a tank bottom, a tank wall, a breast wall and an arch top, a smoke outlet 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 suspended mode. 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 glass liquid plane, and the heating electrode is arranged on two sides of the lower part of the tank wall and is lower than the glass liquid plane. 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 reaches the use limit, the melting capacity 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 by increasing the length of the furnace body, and the increase of the length of the melting furnace can cause the great reduction of the heating efficiency. The technology of the Corning company is also provided, in order to increase the melting capacity of the melting furnace, after the width of a furnace body is increased, a heating electrode is arranged on the bottom of a tank to shorten the distance between the electrodes, the heating electrode is completely immersed in molten glass, firstly, the heating electrode cannot be replaced, and secondly, the path of heating current is not beneficial to heating. Increasing the width of the melting part of the melting furnace (the technology of photoelectric utilization in the achievement) has become the development bottleneck of the electronic display glass industry.
In the Chinese patent application 'Wide-body melting furnace (201911124368.8) for electronic display glass production', a solution of the wide-body melting furnace is provided, but the defect is that the heat in the cavity of the cover body is not easy to dissipate.
The utility model has the following contents:
the utility model provides a double-melting-part wide-body melting furnace for electronic display glass production, aiming at overcoming the defects in the prior art.
The application provides the following technical scheme:
the utility model provides a two melting portion wide body melting furnaces for electronic display glass production, it includes the melting furnace, divide into charging portion, melting portion and clarification portion along the raw materials flow direction in the melting furnace, the symmetry is equipped with a set of first heating electrode and a set of first combustor on the pool wall of melting portion, has strideed first arch top on the pool wall of charging portion, has strideed second arch top on the pool wall of clarification portion, its characterized in that: the pool bottom of the melting part is provided with an opening, the pool bottom of the melting part is provided with a surrounding wall corresponding to the opening, the surrounding wall is provided with a group of second heating electrodes correspondingly matched with the first heating electrodes and second burners correspondingly distributed with the first burners, the top end of the surrounding wall and the pool walls at two sides of the melting part are respectively connected with a third arch crown in a spanning mode, one end of the third arch crown is communicated with the first arch crown and the other end of the third arch crown is communicated with the second arch crown, the surrounding wall is further provided with a plugging wall correspondingly matched with the first arch crown and the second arch crown, and the surrounding wall and the opening form a cavity communicated with the outside.
On the basis of the technical scheme, the following further technical scheme can be provided:
the axial line of the opening is collinear with the central axis of the bottom of the melting part, and the length of the opening is matched with that of the melting part.
The surrounding wall comprises two first walls distributed along the flowing direction of the raw materials and two second walls distributed along the width direction of the melting part, and the first walls and the second walls are alternately connected end to form a rectangular annular structure.
And vertically distributed breast walls extend from two ends of the third arch top respectively, the lower ends of the breast walls are distributed and are connected and matched with the pool walls and the surrounding walls on two sides of the melting part, and smoke outlets corresponding to the first combustor and the second combustor are arranged on the breast walls.
Utility model advantage:
the utility model discloses simple structure, convenient to use under not changing heating process condition, improve the melting furnace productivity through increasing the melting furnace width, are convenient for maintain simultaneously again for unnecessary heat in the cavity is convenient for distribute.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
fig. 4 is a cross-sectional view taken along line C-C of fig. 1.
The specific implementation mode is as follows:
as shown in FIGS. 1 to 4, a double melting section wide body melting furnace for electronic display glass production comprises a melting furnace 1, wherein the width of the melting furnace 1 is twice that of the original melting furnace, namely the melting area of the melting furnace 1 is twice that of the original melting furnace.
The melting furnace 1 is divided into a charging part 1a, a melting part 1b and a clarifying part 1c along the material flowing direction, and one end of the clarifying part 1c is communicated with the subsequent process. The first crown 1e is bridged on the pool wall of the charging portion 1a, and the second crown 1f is bridged on the pool wall of the settling portion 1 c.
A group of first heating electrodes 2 are symmetrically arranged on the tank wall of the melting part 1b, and a group of first burners 10 are also symmetrically arranged on the tank wall above the group of first heating electrodes 2. The group of first heating electrodes 2 and the group of first burners 10 are divided into two rows and symmetrically distributed on the tank walls at two sides of the melting part 1 b.
The bottom of the melting part 1b is provided with an opening 3 penetrating through the bottom of the melting part 1b, the opening 3 is rectangular, the axis of the opening is collinear with the central axis of the bottom of the melting part 1b, and the length of the opening 3 is matched with that of the melting part 1 b. A surrounding wall 4 surrounding the opening 3 is provided on the bottom of the melting section 1 b. The melting portion 1b is divided into two equal parts by the surrounding wall 4.
The surrounding wall 4 comprises two first walls 4a distributed along the flowing direction of the raw materials and two second walls 4b distributed along the width direction of the melting part 1b, the first walls 4a and the second walls 4b are alternately connected end to form a rectangular annular structure, and the first walls 4a and the second walls 4b are integrally manufactured. The surrounding wall 4 and the opening 3 form a cavity 6 communicated with the outside.
A group of second heating electrodes 5 correspondingly matched with the first heating electrodes 2 and a group of second burners 11 correspondingly distributed with the first burners 10 are arranged on the first wall 4a of the surrounding wall 4. The group of second heating electrodes 5 and the second burners 11 are divided into two rows, respectively distributed on the two first walls 4a, and correspondingly matched with the first heating electrodes 2 and the first burners 10.
And a third arch crown 7 is bridged on each first wall 4a and the corresponding melting part 1b respectively. One end of the third arch top 7 is communicated with the first arch top 1e, and the other end is communicated with the second arch top 1 f. On the second wall 4b adjacent to the first crown 1e, a sealing wall 8 for structural sealing is provided. On the other second wall 4b adjacent to the second crown 1f, another plugging wall 8 for structural sealing is provided.
And vertically distributed breast walls 7a extend from two ends of the third arch top 7 respectively, the lower ends of the breast walls 7a are respectively connected and matched with the tank walls on two sides of the melting part 1b and the surrounding wall 4, and the breast walls 7a are provided with smoke outlets 9 corresponding to the first burner 10 and the second burner 11. The first combustor 10 and the second combustor 11 are oxygen-enriched gas guns.
The wavy line in fig. 1 and 2 is a schematic line of the current between the first heating electrode and the second heating electrode. Excess heat can be released through the cavity 6, said cavity 6 also providing an operating space for replacing the second heating electrode 5 and the second burner 11.
Claims (4)
1. The utility model provides a two melting portion wide body melting furnaces 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 raw materials flow direction in melting furnace (1), the symmetry is equipped with a set of first heating electrode (2) and a set of first combustor (10) on the pool wall of melting portion (1 b), it has first arch top (1 e) to have strideed on the pool wall of charging portion (1 a), it has second arch top (1 f) to have strideed on the pool wall of clarification portion (1 c), its characterized in that: the pool bottom of the melting part (1 b) is provided with an opening (3), the pool bottom of the melting part (1 b) is provided with a surrounding wall (4) corresponding to the opening (3), the surrounding wall (4) is provided with a group of second heating electrodes (5) correspondingly matched with the first heating electrodes (2) and second burners (11) correspondingly distributed with the first burners (10), the top end of the surrounding wall (4) and the pool walls on the two sides of the melting part (1 b) are respectively connected with a third arch top (7) in a spanning mode, one end of the third arch top (7) is communicated with the first arch top (1 e) while the other end is communicated with the second arch top (1 f), the surrounding wall (4) is further provided with a sealing wall (8) correspondingly matched with the first arch top (1 e) and the second arch top (1 f), and the surrounding wall (4) and the opening (3) form a cavity (6) communicated with the outside.
2. A dual melting section wide body melter for electronic display glass production as recited in claim 1 wherein: the axial line of trompil (3) and the axis collineation of melting portion (1 b) bottom of the pool, trompil (3) length and melting portion (1 b) length match.
3. A dual melting section wide body melter for electronic display glass production as recited in claim 1 wherein: the surrounding wall (4) comprises two first walls (4 a) distributed along the flowing direction of the raw materials and two second walls (4 b) distributed along the width direction of the melting part (1 b), and the first walls (4 a) and the second walls (4 b) are alternately connected end to form an annular structure.
4. A dual melting section wide body melter for electronic display glass production as recited in claim 1 wherein: and vertically distributed breast walls (7 a) extend from two ends of the third arch top (7) respectively, the lower ends of the breast walls (7 a) are connected and matched with the pool walls and the surrounding walls (4) on two sides of the melting part (1 b), and smoke outlets (9) corresponding to the first combustor (10) and the second combustor (11) are arranged on the breast walls (7 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020890329.0U CN212293292U (en) | 2020-05-25 | 2020-05-25 | Double-melting-part wide-body melting furnace for electronic display glass production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020890329.0U CN212293292U (en) | 2020-05-25 | 2020-05-25 | Double-melting-part wide-body melting furnace for electronic display glass production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212293292U true CN212293292U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020890329.0U Withdrawn - After Issue CN212293292U (en) | 2020-05-25 | 2020-05-25 | Double-melting-part wide-body melting furnace for electronic display glass production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212293292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470757A (en) * | 2020-05-25 | 2020-07-31 | 中建材蚌埠玻璃工业设计研究院有限公司 | Double-melting-part wide-body melting furnace for electronic display glass production |
-
2020
- 2020-05-25 CN CN202020890329.0U patent/CN212293292U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470757A (en) * | 2020-05-25 | 2020-07-31 | 中建材蚌埠玻璃工业设计研究院有限公司 | Double-melting-part wide-body melting furnace for electronic display glass production |
| CN111470757B (en) * | 2020-05-25 | 2024-06-18 | 中建材玻璃新材料研究院集团有限公司 | Double-melting-part wide-body melting furnace for producing electronic display glass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210105 Effective date of abandoning: 20240618 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210105 Effective date of abandoning: 20240618 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |