CN106630549A - Melted glass vacuumizing and defoaming device and method thereof - Google Patents
Melted glass vacuumizing and defoaming device and method thereof Download PDFInfo
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- CN106630549A CN106630549A CN201611030686.4A CN201611030686A CN106630549A CN 106630549 A CN106630549 A CN 106630549A CN 201611030686 A CN201611030686 A CN 201611030686A CN 106630549 A CN106630549 A CN 106630549A
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- China
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- smelting furnace
- furnace
- glass
- vacuum extractor
- vacuumizing
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The invention belongs to the technical field of glass production, and in particular relates to a melted glass vacuumizing and defoaming device and a method thereof. The device comprises a melting furnace and an extrusion mechanism, wherein combustion chambers are formed in the periphery and bottom of the melting furnace; a combustion engine is fixedly arranged on one side of the bottom of the melting furnace; a furnace lid is arranged on the top of the melting furnace; a first connecting pipe penetrates through the furnace lid; a first vacuumizing device is connected to one side, which is far away from the furnace lid, of the first connecting pipe; the extrusion mechanism comprises a siphon; the opening end of the siphon penetrates through the side wall of the melting furnace and is arranged in the melting furnace; and a molding furnace is arranged below the opening end of the siphon. The problem that the quality of glass products is influenced by bubbles produced in the process of melting the molten glass in the melting furnace is solved.
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 side
Method.
Background technology
The manufacturing process of glass is generally divided into following steps：Dispensing, found, be molded, four master operations of annealing.Wherein match somebody with somebody
The composition of the starting material employed in material step, weight proportion determine the key property and quality of the glass produced；
The equipment founded, be molded and anneal etc. used in step, the process conditions for being adopted then determine produced glass
Whether the quality and technical requirements of finished glass disclosure satisfy that.
Melting process is the physical-chemical reaction process of a complexity, comprising silicate formation stages, glass formation stages,
Clarification homogenizing stage, wherein clarification stage are the processes that bubble is eliminated.Raise viscosity of glass metal drop with temperature in this course
Low, equilibrium establishment between physical dissolution and chemically combined gas in gas and glass metal, makes visible in the gas, kiln in bubble
Bubble floats on metal level and is eliminated.
The patent of invention of the B of Authorization Notice No. CN 103848556 discloses a kind of improved glass-melting furnace, and the device includes
Smelting furnace, the surrounding of smelting furnace and bottom are provided with combustion chamber, and regenerator, the regenerator are provided with the outside of the smelting furnace surrounding combustion chamber
Outside be provided with heat-insulating room, the side of the combustion chamber of the bottom is provided with combustor, and the afterbody of the combustor is provided with blower fan, institute
The upper end for stating smelting furnace is provided with lid, and the upper lid is provided with extrusion device, and the lower end of the extrusion device is placed in molten through upper lid
In stove, the extrusion device for being placed in smelting furnace is formed around screen pack, is connected with the extrusion device being placed in smelting furnace
Ascending pipe, the ascending pipe is connected by connecting tube through upper lid with vacuum extractor, and the device can be collected in combustion process
Heat, reused, saved the energy, using extrusion device and the pattern of ascending pipe, not only overcome liquation itself from
The difficulty of liquid is difficult out again, and the screen pack on extrusion device can also play a part of to isolate impurity, improve the clean rate of liquation；
But the device arranges extrusion device during founding to glass, only on bell, facilitate the derivation of liquation, it is right
The bubble produced in smelting furnace fusion process is not processed, and has bubble to cause the glassware of final manufacture in glass melts
Middle generation bubble, affects the quality of glassware.
The content of the invention
The present invention in order to solve smelting furnace in glass melts fusion process in produce bubble can affect glassware quality
Problem, there is provided a kind of melten glass vacuumizing and defoaming device and the side by the device to melten glass vacuumizing and defoaming
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 provided with combustion chamber, and the bottom of smelting furnace is provided with combustor, the top of smelting furnace
Portion is provided with bell, and through there is the first connecting tube on bell, the first connecting tube is connected with the first vacuum means away from one end of bell
Put, extrusion mechanism includes siphon pipe, siphon pipe openend is placed in smelting furnace through furnace sidewall, and the siphonal port of export is connected with
Forming furnace.
The principle of this base case is：Smelting furnace is used for placing preparing glass charge, and combustor is used for furnace heats, smelting furnace four
Energy produced by combustor burning can quickly be passed to smelting furnace by the combustion chamber of week and bottom；On bell first vacuumizes
Device can pass through to vacuumize the effect for reaching bubble removing to the glass melts in smelting furnace, and its cardinal principle be：In glass
In melting process, as the viscosity of the rising glass melts of temperature is reduced, according to Stokes' law, the rate of climb of bubble with
The radius squared of bubble is directly proportional, and is inversely proportional to viscosity of glass metal, and due to the first vacuum extractor on bell it is constantly right
Smelting furnace is vacuumized, and the air pressure in stove gradually increases less than the air pressure in bubble, the bubble diameter in glass melts, therefore,
With the continuous rising constantly vacuumized with glass melts temperature of the first vacuum extractor on bell, bubble diameter constantly increases
With the continuous reduction of liquation viscosity so that bubble is quickly floated 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 near forming furnace one end
Negative pressure, the glass melts in glass-melting furnace are sucked in forming furnace.
The beneficial effect of this base case is：1st, this device is passed through by arranging the first vacuum extractor on bell
Smelting furnace is vacuumized can be so that the bubble in glass melts constantly swells until rupture so that glass melts fusion process is produced
Bubble substantially all burst；2nd, the siphon pipe in this device extrusion mechanism, make use of siphon principle, can by glass melts from
Derive in glass-melting furnace, whole device solves the bubble produced in the glass melts fusion process in smelting furnace can affect glass system
The problem of product quality.
Scheme two：Scheme is preferred based on this, and siphonal material is platinum.Beneficial effect：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 quality of rubber materials.Beneficial effect：It is thin
First connecting tube of wall quality of rubber materials is flexible, cheap, the first connecting tube of flexible material and the connection of vacuum extractor
It is convenient, fast.
Scheme four：This is preferred for scheme three, and also including the second connecting tube, second connecting tube one end is connected with siphon pipe,
The other end is connected with the second vacuum extractor.Beneficial effect：Glass melts in a furnace are gone after bubble, can be by rubber hose
The vacuum extractor of connection is arranged on siphon pipe, siphon pipe is vacuumized by vacuum extractor, by the glass in smelting furnace
Glass liquation is imported in forming furnace and is molded.
Scheme five：This is preferred for scheme four, and the side wall of smelting furnace is made up of castable refractory.Beneficial effect：Founding is resistance to
The furnace sidewall of fiery Material texture is all not susceptible to chemical reaction with Acidity of Aikalinity slag at high temperature, it is to avoid glass melting process
In corrosion to furnace wall.
Second base case：Using the method for melten glass vacuumizing and defoaming device deaeration, comprise the following steps：
The first step：It is placed in batch mixer after the preparing glass charge for having configured is weighed and is well mixed, the preparing glass charge for mixing is put
In smelting furnace, open combustor and the preparing glass charge in smelting furnace is heated, heating-up temperature is in 1300 ~ 1600 ゜ C；
Second step：, the first vacuum extractor being then turned on bell carries out taking out true by the first vacuum extractor to smelting furnace
Sky, closes the first vacuum extractor when vacuum reaches 22mmHg, inside furnace pressurize 30 minutes；
3rd step：The second vacuum extractor is opened, siphon pipe is vacuumized by the second vacuum extractor, in treating smelting furnace
Glass melts take the second vacuum extractor away when flowing to forming furnace by siphon pipe.
The principle of this base case is：The preparing glass charge for having configured is mixed after weighing in batch mixer, can be made
Obtain preparing glass charge to be well mixed, the preparing glass charge being well mixed is placed in into smelting furnace, and melted at a temperature of 1300 ~ 1600 ゜ C
Change, the temperature fullys meet the fusing point of glass so that the glass in smelting furnace is in molten condition；For the glass under molten condition
Liquation is vacuumized, when vacuum reaches 22mmHg, because the air pressure in glass blister is more than the air pressure in smelting furnace, glass
Bubble in liquation constantly rises so that bubble constantly swells, until rupture；Second vacuum extractor carries out taking out true to siphon pipe
Sky, based on siphon principle, the liquation in smelting furnace is imported in forming furnace from smelting furnace.Beneficial effect：Can be made by the method for operating
Bubble in glass melts swells to rupture and the glass melts gone after bubble can be exported in forming furnace and is molded.
Description of the drawings
Fig. 1 is melten glass vacuumizing and defoaming schematic device of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：
First vacuum extractor 10, bell 11, siphon pipe 12, forming furnace 13, combustor 14, combustion chamber 15, smelting furnace 16, first connect
Adapter 17, the second vacuum extractor 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 provided with combustion chamber 15, and combustor 14 is installed in the left side of the bottom of smelting furnace 16, and the top of smelting furnace 16 has been bolted bell
11, first vacuum extractor 10 is connected by first connecting tube of thin-walled 17 of quality of rubber materials on bell 11, the right side of smelting furnace 16 is consolidated
Surely the siphon pipe 12 of the platinum material of inverted U is connected, the left end of siphon pipe 12 is placed in smelting furnace 16 through the side wall of smelting furnace 16, siphon
Forming furnace 13 is placed in the right-hand member lower section of pipe 12, and the position of forming furnace 13 is less than smelting furnace 16.
When melten glass is founded, the charger sheet that designs is first according to by silica and other chemical substances（Soda ash, stone
Lime stone and quartz）Weigh, the material after weighing is placed in pulverizer and is crushed, the preparing glass charge after crushing is stirred rearmounted
In smelting furnace 16, open combustor 14 and the preparing glass charge in smelting furnace 16 is heated so as to which heating and temperature control is in 1550-
1600℃；The control valve of the first vacuum extractor 10 on bell 11 is then turned on, an observation window can be set on bell 11,
Bubble in smelting furnace 16 is seen disappears substantially, and till glass melts no longer bubbling, the whole pumpdown time is about controlled in 3-4
Individual hour, the flow on the first vacuum extractor 10 when vacuum reaches 22mmHg can be closed and be kept for 30 minutes；Will
Second vacuum extractor 18 on the right side of siphon pipe 12 is connected on the siphon pipe 12 of forming furnace 13 by the second connecting tube 19, is opened
Second vacuum extractor 18 is aspirated to siphon pipe 12, treats that the glass melts in smelting furnace 16 flow to forming furnace by siphon pipe 12
Take second vacuum extractor 18 of the one end of siphon pipe 12 when 13 away so that glass melts constantly flow to forming furnace 13.
Using the method for melten glass vacuumizing and defoaming device deaeration, comprise the following steps：
The first step：Prepare preparing glass charge according to the formula list for designing, after the preparing glass charge for having configured is weighed batch mixer is placed in
In be well mixed, the preparing glass charge for mixing is placed in smelting furnace 16, open combustor 14 preparing glass charge in smelting furnace 16 is entered
Row heating, heating-up temperature is in 1300 ~ 1600 ゜ C；
Second step：, the first vacuum extractor 10 being then turned on bell 11 entered by the first vacuum extractor 10 to smelting furnace 16
Row is vacuumized, and when vacuum reaches 22mmHg the first vacuum extractor 10 is closed and kept for 30 minutes, is closed first and is taken out true
Empty device 10；
3rd step：The second vacuum extractor 18 is opened, siphon pipe 12 is vacuumized by the second vacuum extractor 18, it is fusion
Glass melts in stove 16 take the second vacuum extractor 18 away when flowing to forming furnace.
By the melten glass vacuumizing and defoaming device to glassware obtained in the glass melts after deaeration, surface is basic
Without bubble, made by glassware quality be greatly improved.
Above-described is only embodiments of the invention, and the general knowledge here such as known concrete structure and characteristic is not made in scheme
Excessive description.It should be pointed out that for a person skilled in the art, on the premise of without departing from present configuration, can be with
Some deformations and improvement are made, these should also be considered as protection scope of the present invention, these are implemented all without the impact present invention
Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in specification
Specific embodiment etc. records the content that can be used for explaining claim.
Claims (6)
1. melten glass vacuumizing and defoaming device, including smelting furnace and extrusion mechanism, the surrounding of the smelting furnace and bottom are provided with burning
Room, it is characterised in that the bottom of the smelting furnace is provided with combustor, is provided with bell at the top of the smelting furnace, pass through on the bell
The first connecting tube is installed with, first connecting tube is connected with the first vacuum extractor, the extrusion mechanism away from one end of bell
Including siphon pipe, the siphon pipe openend is placed in smelting furnace through furnace sidewall, and the siphon pipe port of export is connected with forming furnace.
2. melten glass vacuumizing and defoaming device as claimed in claim 1, it is characterised in that the siphonal material is
Platinum.
3. melten glass vacuumizing and defoaming device as claimed in claim 2, it is characterised 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, it is characterised in that also including the second connecting tube, institute
State second connecting tube one end to be connected with siphon pipe, the other end is connected with the second vacuum extractor.
5. melten glass vacuumizing and defoaming device as claimed in claim 4, it is characterised in that the side wall of the smelting furnace is by founding
Refractory material is made.
6. the method that usage right requires the melten glass vacuumizing and defoaming device deaeration described in 1, comprises the following steps：
The first step：It is placed in batch mixer after the preparing glass charge for having configured is weighed and is well mixed, the preparing glass charge for mixing is put
In smelting furnace, open combustor and the preparing glass charge in smelting furnace is heated, heating-up temperature is in 1300 ~ 1600 ゜ C；
Second step：The first vacuum extractor on bell is opened, smelting furnace is vacuumized by the first vacuum extractor, true
Reciprocal of duty cycle closes the first vacuum extractor when reaching 22mmHg, inside furnace pressurize 30 minutes；
3rd step：The second vacuum extractor is opened, siphon pipe is vacuumized by the second vacuum extractor, in treating smelting furnace
Glass melts take the second vacuum extractor 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 true CN106630549A (en) | 2017-05-10 |
| CN106630549B CN106630549B (en) | 2019-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611030686.4A Active CN106630549B (en) | 2016-11-22 | 2016-11-22 | Melten glass vacuumizing and defoaming devices and methods therefor |
Country Status (1)
| Country | Link |
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| CN (1) | CN106630549B (en) |
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 |
|---|---|
| CN106630549B (en) | 2019-03-15 |
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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. |