CN112125499B - Multi-line energy-saving environment-friendly quality-improving and efficiency-increasing glass melting furnace - Google Patents
Multi-line energy-saving environment-friendly quality-improving and efficiency-increasing glass melting furnace Download PDFInfo
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- CN112125499B CN112125499B CN202011053385.XA CN202011053385A CN112125499B CN 112125499 B CN112125499 B CN 112125499B CN 202011053385 A CN202011053385 A CN 202011053385A CN 112125499 B CN112125499 B CN 112125499B
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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
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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
-
- 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
-
- 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
- C03B5/2353—Heating the glass by combustion with pure oxygen or oxygen-enriched air, e.g. using oxy-fuel burners or oxygen lances
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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
- C03B5/235—Heating the glass
- C03B5/237—Regenerators or recuperators specially adapted for glass-melting furnaces
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- 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
Abstract
The invention relates to a multi-line energy-saving environment-friendly quality-improving and efficiency-increasing glass melting furnace, which aims to solve the problem that the efficiency is improved and the quality cannot be synchronously ensured and improved in the prior art, and comprises two longitudinal glass tanks which are adjacently arranged in parallel in the same direction; the two longitudinal glass tanks consist of two melting tanks, two clarification tanks, two necks and two cooling tanks which are respectively adjacent in sequence from upstream to downstream; the upstream ends in the same direction of the two melting tanks are respectively provided with a plurality of groups of longitudinal burners and longitudinal reversing multi-channel regenerative chambers, and the two sides of the upstream ends are respectively provided with a feed inlet; the breast walls at the inner sides of the two clarifying tank areas are communicated with a transverse flame channel, and the two cooling tank areas are respectively connected with a plurality of finished glass liquid flow channels to form a flat glass production line. The clamping neck is formed by connecting the two clarification tanks and the two cooling tanks through narrow glass tank channels respectively; and the bottom plate bricks of the tank are properly lifted from the melting tank, the clarification tank, the neck clamping flow channel and the cooling tank in sequence. The method has the advantages of realizing energy conservation and environmental protection, greatly increasing the yield, synchronously guaranteeing and improving the product quality and the production efficiency.
Description
Technical Field
The invention relates to a glass kiln, in particular to a multi-line energy-saving environment-friendly quality-improving and efficiency-increasing glass melting kiln.
Background
In the glass industry, the key problem of effective utilization rate of heat energy of a glass melting furnace plays a significant role in economic cost of a whole plant, and directly influences economic benefit and development prospect of the plant. It is worth mentioning that in the daily production of various glass factories at home and abroad, the heat energy saving of the glass melting furnace is very important under the premise of ensuring the quality of the glass liquid. The existing one-kiln multi-line glass melting furnace technology can really obtain very outstanding energy-saving emission-reduction and yield-increase benefits in actual production, but while the yield-increase and emission-reduction consumption-reduction benefits are obviously improved, the contradictory guarantee and improvement of the quality of glass liquid become extremely difficult, and the market competition and the social demand development continuously add more and more strict and higher requirements to the quality of glass products of the melting furnace. Therefore, the method can not synchronously guarantee and improve the product quality and the production efficiency while realizing energy conservation and environmental protection and greatly increasing the yield, and still is a universal technical problem which is not solved in the technical field of glass melting furnaces and is urgently solved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a multi-line energy-saving environment-friendly quality-improving and efficiency-increasing glass melting furnace.
In order to achieve the aim, the multi-line energy-saving environment-friendly quality-improving efficiency-increasing glass melting furnace comprises two longitudinal glass tanks which are adjacent and parallel in the same direction; the two longitudinal glass tanks consist of two melting tanks, two clarification tanks, two necks and two cooling tanks which are respectively adjacent in sequence from upstream to downstream; the upstream ends in the same direction of the two melting tanks are respectively provided with a plurality of groups of longitudinal burners and longitudinal reversing multi-channel regenerative chambers, and the two sides of the upstream ends are respectively provided with a feed inlet; the breast walls at the inner sides of the two clarifying tank areas are communicated with a transverse flame channel, and the two cooling tank areas are respectively connected with a plurality of finished glass liquid flow channels to form a flat glass production line. The shaped sheet glass production line is here representative of a production line, but can be any other shaped glass production line suitable for large-scale high-throughput production. The method has the advantages of realizing energy conservation and environmental protection and greatly increasing the yield, and synchronously ensuring and improving the product quality and the production efficiency.
As optimization, one glass melting furnace is provided with two melting tanks; one glass melting furnace is provided with two clarification tanks; one glass melting furnace is provided with two clamping necks; one glass melting furnace is provided with two cooling pools; the clamping neck is formed by connecting the two clarification tanks and the two cooling tanks through narrow glass tank channels respectively; and the bottom plate bricks of the tank are properly lifted from the melting tank, the clarification tank, the neck clamping flow channel and the cooling tank in sequence.
Preferably, at least one or more transverse flame communication channels are arranged on the upper breast wall on the inner side surfaces of the two clarification tanks.
As optimization, a plurality of groups of parallel transverse burners are arranged on the breast walls on two sides of the tail sections of the two melting tanks respectively for normal combustion.
And as optimization, the bottoms of the two melting tanks are provided with molten glass electric heating systems.
For optimization, the bubbling systems are respectively arranged at the bottoms of the two melting tanks at the downstream section.
Preferably, the longitudinal reversing multi-channel heat storage chamber is a multi-channel multi-stage heat storage chamber.
As optimization, the longitudinal combustor adopts an air combustion-supporting spray gun, and the transverse combustor adopts a pure oxygen combustion-supporting spray gun, and does not change direction and burn normally.
As optimization, one melting furnace is provided with at least 2 or a plurality of upgrading high-efficiency flat glass production lines which are increased in number in pairs.
The kiln type, the regenerator type, the combustion conditions and the combustion form of the glass melting furnace can effectively improve the heat utilization rate of the melting furnace on the premise of ensuring no influence on the quality of molten glass. Can provide more effective heating for the glass batch; the backflow of the molten glass can be reduced, and the phenomenon that the molten glass takes away more heat to a cooling pool to cause heat loss is avoided; the fuel is saved; the molten glass can be more uniform, and glass products with higher quality can be produced.
After the technical scheme is adopted, the multi-line energy-saving environment-friendly quality-improving efficiency-increasing glass melting furnace has the advantages of realizing energy conservation and environmental protection, greatly increasing the yield, synchronously guaranteeing and improving the product quality and the production efficiency.
Drawings
FIGS. 1 and 2 are a schematic plan structure diagram and a schematic longitudinal section structure diagram of a multi-line energy-saving environment-friendly quality-improving and efficiency-enhancing glass melting furnace of the invention.
Detailed Description
As shown in the figure, the multi-line energy-saving environment-friendly quality-improving and efficiency-increasing glass melting furnace comprises two longitudinal glass tanks which are adjacent and parallel in the same direction; the two longitudinal glass tanks consist of two adjacent melting tanks 1, two clarification tanks 2, two clamping necks 6 and two cooling tanks 7 which are sequentially arranged from upstream to downstream; the upstream ends in the same direction of the two melting tanks 1 are respectively provided with a plurality of groups of longitudinal burners 9 and longitudinal reversing multi-channel regenerative chambers 12, and the two sides of the upstream ends are respectively provided with a feed inlet 11; the breast walls at the inner sides of the two clarification tanks 2 are communicated with a transverse flame channel 5, and the two cooling tanks 7 are respectively connected with a plurality of finished glass liquid flow channels to form a flat glass production line.
One glass melting furnace is provided with two melting tanks 1; one glass melting furnace is provided with two clarification tanks 2; one glass melting furnace is provided with two clamping necks 6; one glass melting furnace is provided with two cooling pools 7; the clamping neck 6 is formed by connecting the two clarification tanks 2 and the two cooling tanks 7 through narrow glass tank channels respectively; and the bottom plate bricks of the tank are properly lifted from the melting tank 1, the clarification tank 2, the neck 6 and the cooling tank 7 in sequence.
One or more transverse flame communication channels 5 are arranged on the inner side surfaces of the two clarification tanks 2. And a plurality of groups of parallel transverse burners 10 are respectively arranged on the breast walls at the two sides of the tail sections of the two melting tanks 1 for normal combustion.
The bottoms of the two melting tanks 1 and the two clarification tanks 2 are provided with a molten glass electric heating system 3. The bottom of each of the two melting tanks 1 is provided with a bubbling system 4 at the downstream section.
The longitudinal reversing multi-channel regenerator 12 is a multi-channel multi-stage regenerator. The longitudinal burner 9 adopts an air combustion-supporting spray gun, and the transverse burner 10 adopts a pure oxygen combustion-supporting spray gun, and is not reversed and burnt normally. One melting furnace is provided with at least 2 or a plurality of upgrading high-efficiency flat glass production lines in double number.
That is, as shown. The invention can meet the requirement of producing high-quality plate glass in multiple lines in one kiln, and comprises four feed ports 11, two parallel glass tanks, two sets of electric heating systems 3, two sets of bubbling systems 4, a flame channel 5, two neck transition tanks 6, two cooling tanks 7, a plurality of glass liquid flow channels 8 leading to forming, a plurality of longitudinal burners 9, a plurality of transverse burners 10 and two multichannel multistage chamber regenerators 12.
The feed inlets 11 are connected with breast walls on two sides of the melting tank 1, and are symmetrically arranged on two sides of the downstream end of the melting tank, and 4 feed inlets 11 are arranged in the embodiment. As shown in fig. 2: the depth L1 of the melting tank and the depth L2 of the clarification tank 2 are in a relationship that: l1 > L2. Card neck transition pond 6 is linked together with clarification tank 2, 2 kiln ponds degree of depth L2 of clarification tank, 6 kiln ponds degree of depth L3 of card neck, and two existence relations are: l2 > L3; cooling tank 7 is linked together with calorie neck 6, 6 kiln ponds degree of depth L3 in calorie neck transition pond, 7 kiln ponds degree of depth L4 in cooling tank, and there is the relationship between them to be: l3 > L4.
The bottom of the melting tank 1 and the bottom of the clarification tank 2 are provided with a molten glass electric heating system 3, and the bottom of the melting tank 1 is provided with a bubbling system 4. In this embodiment, several electric heating systems 3 for molten glass are arranged at the bottom of the melting tank 1 and the clarifier. In this embodiment, a transverse row of bubbling devices of the bubbling system 4 is arranged at the bottom of the melting tank 1.
In this embodiment, six molten glass flow paths 8 leading to the forming section are provided, and three molten glass flow paths 8 are communicated with one cooling pool 7. Twenty-four longitudinal burners 9 are arranged in the embodiment, twelve longitudinal burners 9 are arranged above the wall of the melting tank 1 at the upstream end, and air combustion-supporting spray guns are adopted by all the longitudinal burners 9. In the embodiment, eight transverse burners 10 are arranged, four transverse burners 10 are divided into two pairs and symmetrically arranged above the tank walls at two sides of the downstream end of the melting tank 1, and all the transverse burners adopt total oxygen combustion-supporting spray guns. In the embodiment, the multichannel regenerative chambers 12 are three-stage chambers, and one three-stage chamber regenerative chamber is communicated with one melting tank 1, and the regenerative chambers have the functions of heat storage and smoke exhaust; in this embodiment, a flame path 5 is provided between the two melting tanks 1, and the flame path 5 connects the two melting tanks 1 in the lateral direction.
The kiln type, the regenerator type, the combustion conditions and the combustion form of the glass melting furnace can effectively improve the heat utilization rate of the melting furnace on the premise of ensuring no influence on the quality of molten glass. Can provide more effective heating for the glass batch; the backflow of the molten glass can be reduced, and the phenomenon that the molten glass takes away more heat to a cooling pool to cause heat loss is avoided; the fuel is saved; the molten glass can be more uniform, and glass products with higher quality can be produced.
In a word, the multi-line energy-saving environment-friendly quality-improving and efficiency-increasing glass melting furnace has the advantages of realizing energy conservation and environmental protection, greatly increasing the yield, synchronously guaranteeing and improving the product quality and the production efficiency.
Claims (6)
1. A multi-line energy-saving environment-friendly quality-improving and efficiency-increasing glass melting furnace is characterized by comprising two longitudinal glass tanks which are adjacent and parallel in the same direction; the two longitudinal glass tanks consist of two adjacent melting tanks, two clarification tanks, two necks and two cooling tanks which are sequentially arranged from upstream to downstream; the upstream ends in the same direction of the two melting tanks are respectively provided with a plurality of groups of longitudinal burners and longitudinal reversing multi-channel regenerative chambers, and the two sides of the upstream ends are respectively provided with a feed inlet; the breast walls at the inner sides of the two clarifying tank areas are communicated with a transverse flame channel, and the two cooling tank areas are respectively connected with a plurality of finished glass liquid flow channels to form a flat glass production line; a plurality of groups of parallel transverse burners are arranged on the breast walls on the two sides of the tail sections of the two melting tank areas for normal combustion respectively; the longitudinal burner adopts an air combustion-supporting spray gun; the transverse burner adopts a pure oxygen combustion-supporting spray gun and does not change direction and burn normally;
one glass melting furnace is provided with two melting tanks; one glass melting furnace is provided with two clarification tanks; one glass melting furnace is provided with two clamping necks; one glass melting furnace is provided with two cooling pools; the clamping neck is formed by connecting the two clarification tanks and the two cooling tanks through narrow glass tank channels respectively; and the bottom plate bricks of the tank are sequentially and moderately lifted from the melting tank, the clarification tank, the neck clamping flow channel and the cooling tank.
2. The multi-line energy-saving environment-friendly quality-improving and efficiency-enhancing glass melting furnace of claim 1, wherein at least one or more transverse flame communication channels are arranged on the upper breast wall on the inner side surfaces of the two clarification tanks.
3. The multi-line energy-saving environment-friendly quality-improving and efficiency-increasing glass melting furnace as claimed in claim 1, wherein the bottoms of the two melting tanks are provided with glass liquid electric heating systems.
4. The multi-line energy-saving environment-friendly quality-improving and efficiency-enhancing glass melting furnace as claimed in claim 1, wherein the bottom of each of the two melting tanks is provided with a bubbling system at the downstream section.
5. The multi-line energy-saving environment-friendly quality-improving and efficiency-enhancing glass melting furnace of claim 1, wherein the longitudinally-reversing multi-channel regenerator is a multi-channel multi-stage regenerator.
6. The multi-line energy-saving environment-friendly quality-improving and efficiency-enhancing glass melting furnace as claimed in claim 1, wherein at least 2 or a plurality of quality-improving and high-efficiency plate glass production lines are arranged in one melting furnace.
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| CN202011053385.XA CN112125499B (en) | 2020-09-29 | 2020-09-29 | Multi-line energy-saving environment-friendly quality-improving and efficiency-increasing glass melting furnace |
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| CN202011053385.XA CN112125499B (en) | 2020-09-29 | 2020-09-29 | Multi-line energy-saving environment-friendly quality-improving and efficiency-increasing glass melting furnace |
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| CN112125499B true CN112125499B (en) | 2023-03-31 |
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| CN115304241A (en) * | 2022-07-28 | 2022-11-08 | 陕西彩虹工业智能科技有限公司 | One-kiln two-line production line for substrate glass and production method |
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| WO2005021450A1 (en) * | 2003-08-29 | 2005-03-10 | Nippon Sheet Glass Company, Limited | Glass melting device and glass melting method |
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| US4631080A (en) * | 1985-10-04 | 1986-12-23 | Gas Research Institute | Method and apparatus for the heat processing of glass and glass forming material |
| CN1271693A (en) * | 2000-04-17 | 2000-11-01 | 黄鼎昌 | Dragon-type glass tank furnace |
| CN201250173Y (en) * | 2008-06-12 | 2009-06-03 | 江苏华尔润集团有限公司 | Stepped refiner bottom structure of large-scale float glass melting furnace |
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