CN106630549B - Melten glass vacuumizing and defoaming devices and methods therefor - Google Patents
Melten glass vacuumizing and defoaming devices and methods therefor Download PDFInfo
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- CN106630549B CN106630549B CN201611030686.4A CN201611030686A CN106630549B CN 106630549 B CN106630549 B CN 106630549B CN 201611030686 A CN201611030686 A CN 201611030686A CN 106630549 B CN106630549 B CN 106630549B
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- smelting furnace
- furnace
- glass
- vacuum evacuation
- siphon pipe
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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
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- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
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Abstract
The invention belongs to field of glass production technology, more particularly to a kind of melten glass vacuumizing and defoaming devices and methods therefor, including smelting furnace and extrusion mechanism, the surrounding of smelting furnace and bottom are equipped with combustion chamber, the side of furnace bottom is fixedly installed with combustor, the top of smelting furnace is equipped with bell, running through on bell has the first connecting tube, first connecting tube is connected with the first vacuum evacuation device far from the side of bell, extrusion mechanism extrusion mechanism includes siphon pipe, siphon pipe open end passes through furnace sidewall and is placed in smelting furnace, forming furnace is equipped with below siphon pipe outlet end, solve the problems, such as that the bubble generated in the glass melts fusion process in smelting furnace will affect glassware quality.
Description
Technical field
The invention belongs to field of glass production technology more particularly to a kind of melten glass vacuumizing and defoaming device and its sides
Method.
Background technique
The manufacturing process of glass is generally divided into following steps: ingredient is melted, four molding, annealing master operations.Wherein match
Ingredient, the weight proportion of starting material employed in material step determine the basic performance and quality for the glass produced；
Be melted, molding and annealing and etc. used in equipment, used process conditions then determine produced glass
Whether the quality and technical requirements of finished glass can satisfy.
Melting process is a complicated physical-chemical reaction process, comprising silicate formation stages, glass formation stages,
In the clarifying and homogenizing stage, wherein clarification stage is the process that bubble is eliminated.Viscosity of glass metal drop is increased with temperature in this course
It is low, balance is established in gas, kiln gas in bubble and glass metal between physical dissolution and chemically combined gas, is made visible
Bubble floats on metal level and is eliminated.
The patent of invention of 103848556 B of Authorization Notice No. CN discloses a kind of improved glass-melting furnace, which includes
Smelting furnace, the surrounding of smelting furnace and bottom are equipped with combustion chamber, and the outside of smelting furnace surrounding combustion chamber is equipped with regenerative chamber, the regenerative chamber
Outside be equipped with heat-insulating room, the side of the combustion chamber of the bottom is equipped with combustor, and the tail portion of the combustor is equipped with blower, institute
The upper end for stating smelting furnace is equipped with upper cover, and the upper lid is equipped with extrusion device, and the lower end of the extrusion device is molten across being above placed on
In furnace, the extrusion device for being placed in smelting furnace is surrounded by filter screen, is connected on the extrusion device being placed in smelting furnace
Injection pipe, the injection pipe pass through upper cover and are connect by connecting tube with vacuum evacuation device, which can collect in combustion process
Heat, utilized again, saved the energy, using the mode of extrusion device and injection pipe, not only overcome melt itself from
It is not easy out the difficulty of liquid again, the filter screen on extrusion device can also play the role of that impurity is isolated, and improve the clean rate of melt；
But extrusion device is only arranged during glass is melted in the device on bell, facilitates the export of melt, it is right
The bubble generated in smelting furnace fusion process does not process, and has bubble to will lead to the glassware finally manufactured in glass melts
Middle generation bubble, influences the quality of glassware.
Summary of the invention
The present invention will affect glassware quality for the bubble for solving to generate in the glass melts fusion process in smelting furnace
The problem of, a kind of melten glass vacuumizing and defoaming device and the side by the device to melten glass vacuumizing and defoaming are provided
Method.
In order to achieve the above object, first foundation scheme of the invention provides a kind of melten glass vacuumizing and defoaming device,
Including smelting furnace and extrusion mechanism, the surrounding of smelting furnace and bottom are equipped with combustion chamber, and the bottom of smelting furnace is equipped with combustor, the top of smelting furnace
Portion is equipped with bell, and running through on bell has the first connecting tube, and the first connecting tube is connected with the first vacuum means far from one end of bell
It sets, extrusion mechanism includes siphon pipe, and siphon pipe open end passes through furnace sidewall and is placed in smelting furnace, and the outlet end of siphon pipe is connected with
Forming furnace.
The principle of this base case is: smelting furnace is used to place preparing glass charge, and combustor is used to furnace heats, smelting furnace four
Energy caused by combustor burning can quickly be passed to smelting furnace by the combustion chamber of week and bottom；First on bell vacuumizes
Device can achieve the effect that bubble removing by vacuumizing to the glass melts in smelting furnace, cardinal principle are as follows: in glass
In melting process, the viscosity of glass melts is reduced as the temperature rises, according to Stokes' law, the rate of climb of bubble with
The radius squared of bubble is directly proportional, and is inversely proportional with viscosity of glass metal, and since the first vacuum evacuation device on bell is constantly right
Smelting furnace is vacuumized, and the air pressure in furnace is less than the air pressure in bubble, and the bubble diameter in glass melts is gradually increased, therefore,
With the continuous raising of the first vacuum evacuation device on bell constantly vacuumized with glass melts temperature, bubble diameter constantly increases
With the continuous reduction of melt viscosity so that bubble quickly floats on glass melts surface, until bubbles burst disappears；Smelting furnace one
The siphon pipe of side extrusion mechanism, applies siphon principle, by vacuumizing generation to the siphon pipe air-breathing close to forming furnace one end
Glass melts in glass-melting furnace are sucked into forming furnace by negative pressure.
The beneficial effect of this base case is: 1, the present apparatus is passed through by the way that the first vacuum evacuation device is arranged on bell
Vacuumizing to smelting furnace can make the bubble in glass melts constantly swell until rupture, so that glass melts fusion process generates
Bubble substantially all burst；2, the siphon pipe in present apparatus extrusion mechanism, is utilized siphon principle, can by glass melts from
It is exported in glass-melting furnace, whole device, which solves the bubble generated in the glass melts fusion process in smelting furnace, will affect glass system
The problem of product quality.
Scheme two: this is the preferred of basic scheme, and the material of siphon pipe is platinum.The utility model has the advantages that the siphon of platinum material
Pipe resistance to corrosion is strong.
Scheme three: this is preferred for scheme two, and the first connecting tube is the thin-walled rubber pipe of rubber material.The utility model has the advantages that thin
First connecting tube of wall rubber material is flexible, cheap, the first connecting tube of flexible material and the connection of vacuum evacuation device
It is convenient, fast.
Scheme four: this is preferred for scheme three, further includes the second connecting tube, and second connecting tube one end is connect with siphon pipe,
The other end is connected with the second vacuum evacuation device.The utility model has the advantages that after glass melts in a furnace remove bubble, it can be by rubber hose
The vacuum evacuation device of connection is mounted on siphon pipe, is vacuumized by vacuum evacuation device to siphon pipe, by the glass in smelting furnace
Glass melt, which is imported into forming furnace, to be formed.
Scheme five: this is preferred for scheme four, and the side wall of smelting furnace is made of castable refractory.The utility model has the advantages that founding is resistance to
The furnace sidewall of fiery Material texture is all not susceptible to chemically react with acid-base property slag at high temperature, avoids glass melting process
In corrosion to furnace wall.
Second base case: the method for melten glass vacuumizing and defoaming device deaeration is used, comprising the following steps:
It is uniformly mixed step 1: the weighing of configured preparing glass charge is placed in batch mixer, the glass mixed is matched
Material is placed in smelting furnace, is opened combustor and is heated to the preparing glass charge in smelting furnace, heating temperature is in 1300 ~ 1600 ゜ C；
Step 2: the first vacuum evacuation device being then turned on bell, takes out smelting furnace by the first vacuum evacuation device
Vacuum closes the first vacuum evacuation device when vacuum degree reaches 22mmHg, inside furnace pressure maintaining 30 minutes；
Step 3: opening the second vacuum evacuation device, siphon pipe is vacuumized by the second vacuum evacuation device, to smelting furnace
In glass melts take the second vacuum evacuation device away when flowing to forming furnace by siphon pipe.
The principle of this base case is: configured preparing glass charge is mixed in batch mixer after weighing, and can be made
Preparing glass charge is uniformly mixed, uniformly mixed preparing glass charge is placed in smelting furnace, and 1300 ~ 1600 ゜ C at a temperature of melted
Change, which fullys meet the fusing point of glass, so that the glass in smelting furnace is in molten condition；For the glass under molten condition
Melt is vacuumized, when vacuum degree reaches 22mmHg, since the air pressure in glass blister is greater than the air pressure in smelting furnace, glass
Bubble in melt constantly rises, so that bubble constantly swells, until rupture；Second vacuum evacuation device take out to siphon pipe true
Sky is based on siphon principle, and the melt in smelting furnace imports in forming furnace from smelting furnace.The utility model has the advantages that can be made by the operating method
Bubble in glass melts swells to rupture and can form going the glass melts after bubble to export in forming furnace.
Detailed description of the invention
Fig. 1 is melten glass vacuumizing and defoaming schematic device of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes:
First vacuum evacuation device 10, bell 11, siphon pipe 12, forming furnace 13, combustor 14, combustion chamber 15, smelting furnace 16,
One connecting tube 17, the second vacuum evacuation device 18, the second connecting tube 19.
Embodiment one: melten glass vacuumizing and defoaming device as shown in Figure 1, including smelting furnace 16, the surrounding of smelting furnace 16 and
Bottom is equipped with combustion chamber 15, and combustor 14 is installed in the left side of 16 bottom of smelting furnace, and bell has been bolted in the top of smelting furnace 16
11, the first vacuum evacuation device 10 is connected by the first connecting tube of thin-walled 17 of rubber material on bell 11, the right side of smelting furnace 16 is solid
Surely the siphon pipe 12 of the platinum material of inverted U is connected, 12 left end of siphon pipe passes through 16 side wall of smelting furnace and is placed in smelting furnace 16, siphon
Forming furnace 13 is placed below the right end of pipe 12, the position of forming furnace 13 is lower than smelting furnace 16.
When melten glass is melted, first, in accordance with designed charger sheet by silica and other chemical substance (soda ash, stone
Lime stone and quartz) weighing, the material after weighing is placed in pulverizer and is crushed, smashed preparing glass charge is stirred evenly into postposition
In smelting furnace 16, opens combustor 14 and the preparing glass charge in smelting furnace 16 is heated, make its heating and temperature control in 1550-
1600℃；It is then turned on the control valve of the first vacuum evacuation device 10 on bell 11, an observation window can be set on bell 11,
When seeing that the bubble in smelting furnace 16 disappears substantially, until glass melts no longer bubbling, the entire pumpdown time is about controlled in 3-4
Flow on first vacuum evacuation device 10 can be closed and be kept for 30 minutes when vacuum degree reaches 22mmHg by a hour；It will
Second vacuum evacuation device 18 on 12 right side of siphon pipe is connected on the siphon pipe 12 of forming furnace 13 by the second connecting tube 19, is opened
Second vacuum evacuation device 18 aspirates siphon pipe 12, flows to forming furnace by siphon pipe 12 to the glass melts in smelting furnace 16
The second vacuum evacuation device 18 for taking 12 one end of siphon pipe when 13 away, so that glass melts constantly flow to forming furnace 13.
Use the method for melten glass vacuumizing and defoaming device deaeration, comprising the following steps:
Step 1: singly preparing preparing glass charge according to designed formula, the weighing of configured preparing glass charge is placed on mixed
It is uniformly mixed in material machine, the preparing glass charge mixed is placed in smelting furnace 16, opened combustor 14 and the glass in smelting furnace 16 is matched
Material is heated, and heating temperature is in 1300 ~ 1600 ゜ C；
Step 2: the first vacuum evacuation device 10 being then turned on bell 11, by the first vacuum evacuation device 10 to smelting furnace
16 are vacuumized, and the first vacuum evacuation device 10 is closed and kept for 30 minutes when vacuum degree reaches 22mmHg, close first
Vacuum evacuation device 10；
Step 3: opening the second vacuum evacuation device 18, siphon pipe 12 is vacuumized by the second vacuum evacuation device 18,
Take the second vacuum evacuation device 18 away when the glass melts in smelting furnace 16 flow to forming furnace.
As the melten glass vacuumizing and defoaming device to glassware made from the glass melts after deaeration, surface is basic
There is no bubble, manufactured glassware quality is greatly improved.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (5)
1. melten glass vacuumizing and defoaming device, including smelting furnace and extrusion mechanism, the surrounding of the smelting furnace and bottom are equipped with burning
Room, which is characterized in that the bottom of the smelting furnace is equipped with combustor, and the top of the smelting furnace is equipped with bell, passes through on the bell
It is installed with the first connecting tube, first connecting tube is connected with the first vacuum evacuation device, the extrusion mechanism far from one end of bell
Including siphon pipe, the siphon pipe open end passes through furnace sidewall and is placed in smelting furnace, and siphon pipe outlet end is connected with forming furnace, also
Including the second connecting tube, second connecting tube one end is connect with siphon pipe, and the other end is connected with the second vacuum evacuation device.
2. melten glass vacuumizing and defoaming device as described in claim 1, which is characterized in that the material of the siphon pipe is
Platinum.
3. melten glass vacuumizing and defoaming device as claimed in claim 2, which is characterized in that first connecting tube is rubber
The thin-walled rubber pipe of material.
4. melten glass vacuumizing and defoaming device as claimed in claim 3, which is characterized in that the side wall of the smelting furnace is by founding
Refractory material is made.
5. using the method for melten glass vacuumizing and defoaming device deaeration described in claim 1, comprising the following steps:
It is uniformly mixed step 1: the weighing of configured preparing glass charge is placed in batch mixer, the preparing glass charge mixed is set
In smelting furnace, opens combustor and the preparing glass charge in smelting furnace is heated, heating temperature is at 1300~1600 DEG C；
Step 2: opening the first vacuum evacuation device on bell, smelting furnace is vacuumized by the first vacuum evacuation device, true
Reciprocal of duty cycle closes the first vacuum evacuation device when reaching 22mmHg, and inside furnace pressure maintaining 30 minutes；
Step 3: opening the second vacuum evacuation device, siphon pipe is vacuumized by the second vacuum evacuation device, in smelting furnace
Glass melts take the second vacuum evacuation device away when flowing to forming furnace by siphon pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030686.4A CN106630549B (en) | 2016-11-22 | 2016-11-22 | Melten glass vacuumizing and defoaming devices and methods therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030686.4A CN106630549B (en) | 2016-11-22 | 2016-11-22 | Melten glass vacuumizing and defoaming devices and methods therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106630549A CN106630549A (en) | 2017-05-10 |
| CN106630549B true CN106630549B (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611030686.4A Active CN106630549B (en) | 2016-11-22 | 2016-11-22 | Melten glass vacuumizing and defoaming devices and methods therefor |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250175Y (en) * | 2008-08-25 | 2009-06-03 | 京东方科技集团股份有限公司 | Discharging device of glass furnace |
| CN201933137U (en) * | 2010-12-30 | 2011-08-17 | 重庆硏镁科技有限公司 | Vacuum magnesium alloy melting device |
| CN103848556A (en) * | 2012-11-28 | 2014-06-11 | 沈国宝 | Improved glass melting furnace |
| CN204714688U (en) * | 2015-06-02 | 2015-10-21 | 重庆市盛源安全节能玻璃有限公司 | A kind of glass-melting furnace |
-
2016
- 2016-11-22 CN CN201611030686.4A patent/CN106630549B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250175Y (en) * | 2008-08-25 | 2009-06-03 | 京东方科技集团股份有限公司 | Discharging device of glass furnace |
| CN201933137U (en) * | 2010-12-30 | 2011-08-17 | 重庆硏镁科技有限公司 | Vacuum magnesium alloy melting device |
| CN103848556A (en) * | 2012-11-28 | 2014-06-11 | 沈国宝 | Improved glass melting furnace |
| CN204714688U (en) * | 2015-06-02 | 2015-10-21 | 重庆市盛源安全节能玻璃有限公司 | A kind of glass-melting furnace |
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| Publication number | Publication date |
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| CN106630549A (en) | 2017-05-10 |
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Effective date of registration: 20200617 Address after: Lot e1-01 / 01, Baisha Industrial Park, Jiangjin District, Chongqing Patentee after: Chongqing huabinwei Glass Co.,Ltd. Address before: 401532 Chongqing Qingping Hechuan town of Willow Village Patentee before: CHONGQING ZHAOFENG GLASSWARE Co.,Ltd. |