CN118239662A - Glass melting device and method - Google Patents
Glass melting device and method Download PDFInfo
- Publication number
- CN118239662A CN118239662A CN202410350578.3A CN202410350578A CN118239662A CN 118239662 A CN118239662 A CN 118239662A CN 202410350578 A CN202410350578 A CN 202410350578A CN 118239662 A CN118239662 A CN 118239662A
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- melting
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- premelting
- side wall
- end wall
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- 238000002844 melting Methods 0.000 title claims abstract description 104
- 230000008018 melting Effects 0.000 title claims abstract description 104
- 239000011521 glass Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 26
- 239000000779 smoke Substances 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000446 fuel Substances 0.000 abstract description 6
- 230000005587 bubbling Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000009472 formulation Methods 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 239000006060 molten glass Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- C03B5/235—Heating the glass
- C03B5/2356—Submerged heating, e.g. by using heat pipes, hot gas or submerged combustion burners
-
- 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
- C03B5/26—Outlets, e.g. drains, siphons; Overflows, e.g. for supplying the float tank, tweels
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention belongs to the technical field of glass production, and provides a glass melting device and a glass melting method, wherein the device comprises a feeder, a premelting area and a melting area which are communicated with each other, and the feeder is used for feeding raw materials into the premelting area; the premelting area comprises a plurality of second electrodes which are used for premelting or preheating the added raw materials; the melting zone includes a plurality of first electrodes for melting premelted or preheated feedstock. The glass melting device is constructed by adopting a mode of combining the premelting area and the melting area, and particularly adopts the rectangular premelting area and the melting area, wherein the premelting area finishes the feeding and preheating process, the melting area finishes the melting of glass, the melting temperature of the melting area can be reduced after the preheating is adopted, the bubbling amount is reduced, the fuel consumption, the electricity consumption and the like are reduced, the melting area is in a better process stable state, and the burning state of a burner nozzle of the melting area cannot be influenced due to the feeding in the premelting area, the furnace pressure is stable, and the upper space temperature is stable.
Description
Technical Field
The invention belongs to the technical field of glass production, and particularly relates to a glass melting device and method.
Background
With the continuous increase of glass varieties and brands, the melting technology is continuously updated, the melting control is continuously strict, and the requirements of environmental protection and energy saving are met, so that a novel efficient low-emission low-energy-consumption glass melting device is required.
Currently, glass production melters are shown in FIG. 1. The square structure is adopted, the lower part is heated by an electrode, and the upper space is heated by a combustion system. When the existing glass melting device is used for producing glass, more preparation materials are carried away along with waste gas under the blowing of burner combustion gas during charging. Meanwhile, in the feeding process, furnace pressure fluctuates, burner combustion is unstable, an upper space temperature field is unstable, and the melting process of the glass liquid surface of a melting tank and the preparation materials shows periodic fluctuation, so that production quality is unstable. Therefore, it is very important to design a low-emission low-energy glass melting device.
Disclosure of Invention
In order to solve at least one problem in the background art, the invention provides a glass melting device and a glass melting method.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a glass melting device comprises a feeder, a premelting area and a melting area which are communicated with each other;
The feeder is used for feeding raw materials into the premelting area;
The premelting area comprises a plurality of second electrodes; the second electrode is positioned at the bottom or the lower part of the side wall of the premelting area and is used for premelting or preheating the added raw materials;
The melting zone comprises a plurality of first electrodes, and the first electrodes are positioned at the bottom or the lower part of the side wall of the melting zone and are used for melting premelted or preheated raw materials.
Preferably, the melting zone comprises a left hearth bottom, a first end wall, a left furnace roof, a first side wall and a first side wall;
One end of the bottom of the left hearth is connected with the first end wall;
the first end wall is connected with one end of the first end wall far away from the bottom of the left hearth;
the left furnace top is connected with one end of the first end wall far away from the first end wall;
The first electrode is arranged at the lower part of the first side wall;
The inner surface of the first side wall is respectively connected with the first end wall and the end surface of the left hearth bottom;
The end face of the first side wall is connected with one end, far away from the bottom of the left hearth, of the first side wall;
the inner surface of the first side wall is respectively connected with the first end wall and the end face of the left furnace top.
Preferably, the first end wall is provided with a liquid outlet, and the liquid outlet is positioned at the lower part of the first end wall.
Preferably, a first smoke outlet is formed in the left furnace top, a plurality of first burners are mounted on the inner surface of the first side wall, and the horizontal height of each first burner is higher than that of each first electrode;
the first burner is horizontally installed or installed with a downward inclination of 1-60 degrees.
Preferably, the premelting area comprises a right hearth bottom, a second end wall, a right furnace top, a second side wall and a second side wall;
One end of the right hearth bottom is connected with the left hearth bottom, and the horizontal height of the right hearth bottom is higher than that of the left hearth bottom;
one end of the second end wall is connected with one end of the right hearth bottom far away from the left hearth bottom;
the other end of the second end wall is connected with a second end wall;
One end of the second end wall, which is far away from the second end wall, is connected with the right furnace top;
The inner surface of the second side wall is respectively connected with the right hearth bottom and the end face of the second end wall;
And the inner surface of the second side wall is respectively connected with the end surfaces of the right furnace top and the second end wall.
Preferably, a partition wall is arranged between the premelting area and the melting area, and two side surfaces of the partition wall are respectively connected with the left furnace top and the right furnace top;
and a notch communicated with the premelting area and the melting area is reserved on the lower side of the partition wall.
Preferably, the second electrode in the premelting area is arranged at the lower part of the second side wall and positioned at one side of the opening.
Preferably, a second smoke outlet is further formed in the right furnace top, and a plurality of second burners are mounted on the inner surface of the second side wall;
The horizontal height of the second burner is greater than that of the second electrode;
The second burner is horizontally installed or installed inclined downward by 1-60 degrees.
Preferably, a charging port is arranged on the second end wall, and the charging port is used for installing a charging machine.
A glass melting method for the glass melting device comprises the following steps:
Adding glass raw materials into a premelting area through a feeder;
preheating or premelting the glass raw material in a premelting area through a second electrode;
the preheated or premelted glass raw material is melted by the first electrode in the melting zone.
The invention has the beneficial effects that:
1. The glass melting device is constructed by adopting a mode of combining the premelting area and the melting area, and particularly adopts the rectangular premelting area and the melting area, wherein the premelting area finishes the feeding and preheating process, the melting area finishes the melting of glass, the melting temperature of the melting area can be reduced after the preheating is adopted, the bubbling amount is reduced, the fuel, the electricity consumption and the like are reduced, the melting area is in a better process stable state, and the burning state of a burner of the melting area is not influenced due to the feeding in the premelting area, the furnace pressure is stable, and the upper space temperature is stable;
2. According to the invention, the electrodes and the burner are used, so that the temperature inside the melting device can be ensured to be stable in the working process, and the temperatures of the whole preheating cavity and each area in the melting cavity are maintained in a similar state, thereby ensuring that glass is heated stably.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic view of a conventional glass melting apparatus;
FIG. 2 shows a schematic structural view of a glass melting apparatus of the present invention;
FIG. 3 shows a simplified system diagram of the electrode, burner and computer of the present invention in operation.
In the figure: 1. a left hearth bottom; 2. a first end wall; 3. a first end wall; 4. a left furnace top; 5. a first electrode; 6. a liquid outlet; 7. a first burner; 8. a first smoke outlet; 9. a right hearth bottom; 10. a second end wall; 11. a second end wall; 12. a right furnace top; 13. a second electrode; 14. a feed inlet; 15. a charging machine; 16. a second smoke outlet; 17. a second burner; 18. a premelting chamber; 19. a melting chamber; 20. partition walls; 21. a notch; 22. a first sidewall; 23. a first side wall; 24. a second sidewall; 25. and a second side wall.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A glass melting apparatus, as shown in FIG. 2, includes a feeder 15, a premelt region (region A in FIG. 2) and a melting region (region B in FIG. 2) which are in communication with each other. Wherein the feeder 15 is installed in the premelt area so as to feed glass raw materials into the premelt area. A plurality of second electrodes 13 are installed in the premelting region, and the second electrodes 13 are positioned at the bottom or the lower part of the side wall of the premelting region, so that the glass raw material can be preheated or premelted to raise the temperature. The preheated or premelted glass raw material then enters the melting zone, and the melting zone includes a plurality of first electrodes 5, and the first electrodes 5 are positioned at the bottom or lower part of the side wall of the melting zone, so that the preheated glass raw material can be melted.
It should be noted that, the premelting area and the melting area only reserve a small number of outlets and vents, and the structure thereof can be modified as required, for example, in the form of a rectangular cavity, a trapezoidal cavity, a circular cavity or a combined cavity.
The structure of the premelt and melt zones is described below in connection with fig. 2.
As shown in fig. 2, the melting zone includes a left hearth bottom 1, a first end wall 2, a first end wall 3, a left furnace roof 4, a first side wall 22, and a first side wall 23. Wherein one end of the left hearth bottom 1 is connected with the first end wall 2, the first end wall 3 is connected with one end of the first end wall 2 far away from the left hearth bottom 1, the left furnace top 4 is connected with one end of the first end wall 3 far away from the first end wall 2, and the first electrode 5 is arranged at the lower part of the first side wall 22; the inner surface of the first side wall 22 is respectively connected with the first end wall 2 and the end surface of the left hearth bottom 1; the end face of the first side wall 23 is connected with one end of the first side wall 22 far away from the left hearth bottom 1; the inner surface of the first side wall 23 is connected to the end surfaces of the first end wall 3 and the left roof 4, respectively. The first end wall 2 is provided with a drain port 6, and the drain port 6 is located on the first electrode 5 side, specifically, in the lower portion of the first end wall 2. The left furnace top 4 is provided with a first smoke outlet 8 so as to discharge smoke generated during combustion, the inner surface of the first side wall 23 is provided with a plurality of first burners 7, the horizontal height of the first burners 7 is higher than that of the first electrodes 5, and the first burners 7 are horizontally arranged or downwards inclined by 1-60 degrees. Likewise, the first electrode 5 and the first burner 7 are also required to be mounted on the symmetry plane of the first side wall 22 and the first side wall 23.
In fig. 2, the melting zone is a rectangular melting chamber 19 formed by a plurality of walls, and a first electrode 5 (multi-layered electrode) is mounted on a first side wall 22 of the melting chamber 19, and the first burner 7 is located on the upper side of the first electrode 5. In addition, the first burners 7 can be common combustion guns or (sum) oxy-fuel or oxy-fuel combustion guns, when in operation, if the first burners 7 are opened, hot tops are formed at the top of the melting cavity 19, and when the first burners 7 are not opened, cold tops are formed at the top of the melting cavity 19. After the glass in the melting zone is melted, the glass liquid can be discharged through the liquid discharge port 6, and then the glass liquid enters the next working procedure until the glass is discharged and molded.
It should be further noted that, according to different glass varieties and different technological requirements, the common combustion burning guns or (and) the full-oxygen or oxygen-enriched combustion burning guns can be arranged on the same side or can be arranged on two opposite sides in a staggered manner. In addition, the first burner 7 can improve the uniformity of the temperature field of the hearth and the adjustable range of the process, so that the highest temperature point of the melting cavity 19 reaches 1000-1600 DEG C
As shown in fig. 2, the premelting zone includes a right hearth bottom 9, a second end wall 10, a second end wall 11 and a right furnace roof 12, a second side wall 24 and a second side wall 25. One end of the right hearth bottom 9 is connected with the left hearth bottom 1, and the horizontal height is higher than the left hearth bottom 1. One end of the second end wall 10 is connected with one end of the right hearth bottom 9 far away from the left hearth bottom 1, and the other end of the second end wall 10 is connected with the second end wall 11. The end of the second end wall 11 remote from the second end wall 10 is connected to the right stove top 12; the inner surface of the second side wall 24 is respectively connected with the end surfaces of the right hearth bottom 9 and the second end wall 10; the inner surface of the second side wall 25 is respectively connected with the right furnace roof 12 and the end face of the second end wall 11. In addition, a partition wall 20 is arranged between the premelting area and the melting area, and two side surfaces of the partition wall 20 are respectively connected with the left furnace top 4 and the right furnace top 12; a gap 21 communicated with the premelting area and the melting area is reserved between the left hearth bottom and the right hearth bottom 9, and the gap 21 is positioned at the lower side of the partition wall 20.
It should be noted that, in fig. 2, the pre-melting zone and the melting zone form rectangular areas by the end walls and the end walls, but in some embodiments, the pre-melting zone and the melting zone are not limited to rectangular areas, and may be modified according to actual needs.
Further, the second electrode 13 in the premelt area is mounted on the lower portion of the second sidewall 24 on the side of the cutout 21. The right furnace top 12 is also provided with a second smoke outlet 16, and a plurality of second burners 17 are arranged on the inner surface of a second side wall 25; the second burner 17 has a level greater than the second electrode 13; the second burner 17 is mounted horizontally or inclined downwardly by 1 deg. -60 deg.. Meanwhile, a charging opening 14 is arranged on the second end wall 11, and the charging opening 14 is used for installing a charging machine 15 so as to form closed charging for the premelting area. The second electrode 13 and the second burner 17 are also mounted on the symmetry plane of the second side wall 24 and the second side wall 25.
In fig. 2, the premelting area also has a rectangular structure, the inner cavity of which is a premelting cavity 18, and in the working state, glass is added into the premelting cavity 18 by a feeder 15, then the glass is preheated by a second electrode 13 (multi-layer electrode), and the generated smoke is discharged from a second smoke outlet 16. The preheated glass then enters the melting chamber 19 through the gap 21.
It should be further noted that the second burner 17 may be a conventional burner or a full-oxygen or oxygen-enriched burner. In operation, if the first burner 17 is turned on, a warm roof is formed on the top of the premelt chamber 18, and if the second burners 17 are not turned on, a cold roof is formed on the top of the premelt chamber 18.
In some embodiments, as shown in fig. 3, the temperatures of the first burner 7 and the second burner 17 may be monitored in real time and then adjusted according to the monitored results. Specifically, an induction coil with additional temperature is arranged on each burner and each electrode, and the temperature change of each burner and each electrode can be known in real time through the induction coil. Taking a single electrode or burner as an example, the temperature of the electrode or burner is acquired at intervals of 30S to obtain data T 1、T2……Tn, and then a temperature-time variation graph is established.
Normally, the temperature will gradually rise over time, and will reach a steady state when rising to the target temperature. If the temperature reaches a steady state and continues to rise, it is indicated that the induction coil has been damaged and needs to be replaced. Entering a temperature state if the temperature has not reached the target temperature indicates that the electrode or burner has been damaged, requiring replacement.
A glass melting method for the glass melting device comprises the following steps:
s1: the glass raw material is fed into the premelt region by a feeder 15. Specifically, full automatic charging is performed by the charging machine 15.
S2: the glass raw material is preheated or premelted in the premelting region by the second electrode 13. Specifically, the second electrode 13 and the second burner 17 raise the temperature of the pre-melting chamber 18 to bring the temperature in the pre-melting chamber 18 to the pre-heating or pre-melting temperature so as to pre-heat or pre-melt the raw material; the smoke generated at the same time is discharged through the second smoke outlet 16.
S3: the preheated or premelted glass raw material is melted by the first electrode 5 in the melting zone. Specifically, the preheated raw material enters the melting chamber 19 through the notch 21, at this time, the temperature of the melting chamber 19 is stabilized by the first electrode 5 and the first burner 7, the preheated raw material is melted in the melting chamber 19, generated smoke is discharged through the first smoke outlet 8, and molten glass is discharged through the liquid outlet 6.
The prepared raw materials are continuously and stably fed into the premelting area A through the feeder 15; after the raw materials are premelted in the premelting area A, molten glass flows into the melting area B through the notch 21; the molten glass is sufficiently and uniformly melted in the melting zone B and flows into the subsequent process through the liquid outlet 6. The second burner 17 of the premelting area heats the premelting chamber 18, the process temperature of the premelting chamber 18 is determined according to the composition characteristics of the glass formulation produced by melting, and in general, the refractory glass formulation with high content of components such as SiO 2\B2O3\Al2O3 is selected in a temperature top mode, and the temperature range is 500-1100 ℃, preferably 700-900 ℃; for the formulation of the easily meltable component and the volatile large component, a cold top mode is selected.
It should be further noted that the choice of burner is determined by the melting temperature of the glass formulation being melted and produced, and a oxy-fuel burner is preferred for the production of formulations with high melting temperature, a oxy-fuel burner is preferred for the production of formulations with high glass production costs, and a general burner is preferred for general formulations. The burning guns can be arranged on the side walls or the furnace top and uniformly arranged according to the space of the hearth, so that the heating uniformity is improved.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A glass melting device is characterized by comprising a feeder (15), a premelting area and a melting area which are communicated with each other;
the feeder (15) is used for feeding raw materials into the premelting area;
The premelting area comprises a plurality of second electrodes (13); the second electrode (13) is positioned at the bottom or the lower part of the side wall of the premelting area and is used for premelting or preheating the added raw materials;
The melting zone comprises a plurality of first electrodes (5), and the first electrodes (5) are positioned at the bottom or the lower part of the side wall of the melting zone and are used for melting premelted or preheated raw materials.
2. A glass melting apparatus as in claim 1, wherein the melting zone comprises a left hearth bottom (1), a first end wall (2), a first end wall (3), a left roof (4), a first side wall (22) and a first side wall (23);
one end of the left hearth bottom (1) is connected with the first end wall (2);
The first end wall (3) is connected with one end of the first end wall (2) far away from the left hearth bottom (1);
The left furnace top (4) is connected with one end of the first end wall (3) far away from the first end wall (2);
The first electrode (5) is arranged at the lower part of the first side wall (22);
the inner surface of the first side wall (22) is respectively connected with the first end wall (2) and the end surface of the left hearth bottom (1);
the end face of the first side wall (23) is connected with one end, far away from the left hearth bottom (1), of the first side wall (22);
the inner surface of the first side wall (23) is respectively connected with the end surfaces of the first end wall (3) and the left furnace top (4).
3. A glass melting apparatus as claimed in claim 2, wherein the first end wall (2) is provided with a drain port (6), the drain port (6) being located in the lower part of the first end wall (2).
4. A glass melting apparatus according to claim 3, wherein the left furnace roof (4) is provided with a first smoke outlet (8), the inner surface of the first side wall (23) is provided with a plurality of first burners (7), and the level of the first burners (7) is higher than that of the first electrodes (5);
the first burner (7) is horizontally arranged or is arranged in a downward inclination of 1-60 degrees.
5. A glass melting apparatus according to any of claims 2-4, wherein the premelting region comprises a right hearth bottom (9), a second end wall (10), a second end wall (11), a right roof (12), a second side wall (24) and a second side wall (25);
one end of the right hearth bottom (9) is connected with the left hearth bottom (1), and the horizontal height of the right hearth bottom is higher than that of the left hearth bottom (1);
One end of the second end wall (10) is connected with one end of the right hearth bottom (9) far away from the left hearth bottom (1);
The other end of the second end wall (10) is connected with a second end wall (11);
one end of the second end wall (11) far away from the second end wall (10) is connected with the right furnace top (12);
the inner surface of the second side wall (24) is respectively connected with the end surfaces of the right hearth bottom (9) and the second end wall (10);
the inner surface of the second side wall (25) is respectively connected with the end surfaces of the right furnace top (12) and the second end wall (11).
6. A glass melting apparatus according to claim 5, wherein a partition wall (20) is provided between the premelting region and the melting region, both side surfaces of the partition wall (20) being connected to the left roof (4) and the right roof (12), respectively;
And a notch (21) communicated with the premelting area and the melting area is reserved on the lower side of the partition wall (20).
7. A glass melting apparatus as claimed in claim 6, wherein the second electrode (13) in the premelt region is mounted on the lower portion of the second side wall (24) on the side of the opening (21).
8. The glass melting device according to claim 7, wherein the right furnace roof (12) is further provided with a second smoke outlet (16), and a plurality of second burners (17) are mounted on the inner surface of the second side wall (25);
the second burner (17) has a level greater than the second electrode (13);
The second burner (17) is horizontally installed or is installed with a downward inclination of 1-60 degrees.
9. A glass melting apparatus as in claim 5, wherein the second end wall (11) is provided with a feed port (14), the feed port (14) being adapted to receive a feeder (15).
10. A glass melting method for a glass melting apparatus according to any one of claims 1 to 9, comprising the steps of:
adding glass raw materials into a premelting area through a feeder (15);
Preheating or premelting the glass raw material in a premelting area through a second electrode (13);
The preheated or premelted glass raw material is melted in the melting zone by means of a first electrode (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410350578.3A CN118239662A (en) | 2024-03-26 | 2024-03-26 | Glass melting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410350578.3A CN118239662A (en) | 2024-03-26 | 2024-03-26 | Glass melting device and method |
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| Publication Number | Publication Date |
|---|---|
| CN118239662A true CN118239662A (en) | 2024-06-25 |
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ID=91561969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410350578.3A Pending CN118239662A (en) | 2024-03-26 | 2024-03-26 | Glass melting device and method |
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