CN107188393A - It is a kind of to control the melting furnaces device and method that boron volatilizees in the production of borosilicate single-sheet fire-resistant glass - Google Patents

It is a kind of to control the melting furnaces device and method that boron volatilizees in the production of borosilicate single-sheet fire-resistant glass Download PDF

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Publication number
CN107188393A
CN107188393A CN201710546647.8A CN201710546647A CN107188393A CN 107188393 A CN107188393 A CN 107188393A CN 201710546647 A CN201710546647 A CN 201710546647A CN 107188393 A CN107188393 A CN 107188393A
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CN
China
Prior art keywords
melting
melting zone
strong
boron
zone
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CN201710546647.8A
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Chinese (zh)
Inventor
彭寿
丁奇亮
柏勉
刘清
江龙跃
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China Triumph International Engineering Co Ltd
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China Triumph International Engineering Co Ltd
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Priority to CN201710546647.8A priority Critical patent/CN107188393A/en
Publication of CN107188393A publication Critical patent/CN107188393A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/235Heating the glass
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Glass Compositions (AREA)

Abstract

The present invention provides the melting furnaces device that boron volatilizees in a kind of control borosilicate single-sheet fire-resistant glass production, and the melting furnaces device includes melting furnaces body, and the melting furnaces body includes heating chamber, and the heating chamber is interior to be provided with barricade(4), the barricade(4)The heating chamber is divided into pre- melting zone(3)With strong melting zone(5), and the pre- melting zone(3)With the strong melting zone(5)Bottom connection.The melting furnaces device and method that boron volatilizees in single-sheet fire-resistant glass production is controlled in the present invention, melted using pre- melting zone all-electric melting and strong melting zone flame powers up fluxing fusing mode, the volatilization of boron in the production of borosilicate single-sheet fire-resistant glass can greatly be reduced, maximum can reduce boron volatilization 5% ~ 15%, boron raw material has been saved, kiln age is extended.

Description

It is a kind of control boron volatilizees in the production of borosilicate single-sheet fire-resistant glass melting furnaces device and Method
Technical field
The present invention relates to a kind of glass melter and preparation method thereof, more particularly to a kind of control single-sheet fire-resistant glass boron is waved The melting furnaces device and method of hair.
Background technology
In the last few years, as science and technology and expanding economy, the material and cultural life of people are improved, the world is each Requirement more and more higher of the state to building house and office premises.A series of Building Fire Protection specification is put into effect in succession.Borosilicic acid Salt single-sheet fire-resistant glass is with its low thermal coefficient of expansion (4 × 10-6), good heat endurance, chemical stability, mechanical performance, light Learn performance and excellent processing performance is shown one's talent in all kinds of flame resistant glasses.But in the life of borosilicate single-sheet fire-resistant glass During production, boracic raw material mainly uses borax pentahydrate, causes boron volatilization more in 1600 DEG C or so of higher glass melting temperatures Seriously, document report boron volatilization in glass melting process occurred mainly in before 1000 DEG C, this stage boron volatile quantity is accounted for entirely About the 63% of journey volatile quantity, causes boron significant loss, increases cost, glass is produced the structures such as split-phase, peeling uneven Defect.
Using float process borosilicate single-sheet fire-resistant glass, it is necessary to the glass melting temperature higher than normal silicate glass, Fluxing fusing mode is generally powered up using all-electric melting or total oxygen now.But both fusing modes are in borosilicate monolithic There is its drawback in the production of flame resistant glass.All-electric melting melts mode and is effectively reduced the volatilization of boron, but glass metal is founded, is homogenized Effect is bad, easily forms the defect such as striped, and total oxygen, which powers up fluxing fusing mode, can make the founding of glass metal, homo-effect good It is good, but the volatilization of boron is easily caused, increase cost, glass is produced the uneven defects of structure such as split-phase, peeling.
Generally in the production of borosilicate flame resistant glass, the batch of use typically has certain moisture content, mainly Purpose is raw material mixing is more homogenized and reduce flying upward to wait and acting on for raw material, but the presence of moisture can aggravate melting process The volatilization of middle boron, causes boron significant loss, finally influences glass quality.
The content of the invention
The shortcoming of prior art, prevents it is an object of the invention to provide one kind control borosilicate monolithic in view of the above The melting furnaces devices and methods therefor that boron volatilizees in flint glass, for solving the problems of the prior art.
In order to achieve the above objects and other related objects, the present invention is by being realized including following technical scheme.
The present invention provides the melting furnaces device that boron volatilizees in a kind of control borosilicate single-sheet fire-resistant glass, the melting furnaces device Including melting furnaces body, the melting furnaces body includes being provided with barricade in heating chamber, the heating chamber, and the barricade is by the heating chamber It is divided into pre- melting zone and strong melting zone, and the pre- melting zone is connected with the bottom in the strong melting zone.
In one preferred embodiment, incipient melting borosilicate monolithic fire prevention glass is heated in the pre- melting zone using all-electric melting mode The compound of each raw material components of glass.
It is further preferable that each raw material components and parts by weight of borosilicate single-sheet fire-resistant glass are:
In one preferred embodiment, the method that the strong melting zone is heated using flame and electric smelting is combined further is heated Melting.
In a preferred embodiment, the side and bottom in the pre- melting zone are provided with some heating electrodes.
In a preferred embodiment, the pre- melting zone is provided with dog-house.
In a preferred embodiment, the side in the strong melting zone is provided with some spray guns.
In a preferred embodiment, the side in the strong melting zone is provided with flue.
In a preferred embodiment, the bottom in the strong melting zone is provided with some heating electrodes.
In a preferred embodiment, the temperature in strong melting zone is 1600~1700 DEG C.
A kind of to control the method that boron volatilizees in the production of borosilicate single-sheet fire-resistant glass, methods described is using described above molten Kiln device, is put into electric in pre- melting zone after each raw material components of borosilicate single-sheet fire-resistant glass are well mixed by dog-house Heat mobile phase after incipient melting, heating incipient melting to flow into strong melting zone by bottom, heated simultaneously by electricity and flame in strong melting zone Further melting obtains uniform glass metal.
The present invention solves defect present in background technology, described one kind effectively control single-sheet fire-resistant glass boron volatilization Method, melted using pre- melting zone all-electric melting and strong melting zone flame power up fluxing fusing mode, can greatly reduce borosilicate The volatilization of boron in the production of hydrochlorate single-sheet fire-resistant glass, maximum can reduce boron volatilization 5%~15%, save boron raw material, extend Kiln age.
Brief description of the drawings
Fig. 1 is shown as the top view in the pre- melting zone of glass melter in the present invention and strong melting zone.
Fig. 2 is shown as the sectional view in the pre- melting zone of glass melter in the present invention and strong melting zone.
Reference is as follows in Fig. 1 and Fig. 2:
1 dog-house
2 heating electrodes
3 pre- melting zones
4 barricades
The last 5 melting zone
6 spray guns
7 flues
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints with application, without departing from Various modifications or alterations are carried out under the spirit of the present invention.
As described in Fig. 1 and 2, the embodiment of the present invention provides boron in a kind of control borosilicate single-sheet fire-resistant glass production and volatilized Melting furnaces device, the melting furnaces device includes melting furnaces body, and the melting furnaces body includes heating chamber, provided with gear in the heating chamber The heating chamber is divided into pre- melting zone 3 and strong melting zone 5 by wall 4, the barricade 4, and the pre- melting zone 3 and the strong melting zone 5 Bottom is connected.
In one specific embodiment of the application, the upper end of the baffle plate is fixedly connected with the melting furnaces body, described Gap is left in the lower end of baffle plate and the bottom of the melting furnaces body heating chamber, forms the passage that pre- melting zone 3 is connected with strong melting zone 5.
In one preferred embodiment, the fire prevention of incipient melting borosilicate monolithic is heated in the pre- melting zone 3 using all-electric melting mode The compound of each raw material components of glass.All-electric melting mode is to use Electric heating.After pre- melting zone 3 heating incipient melting, borosilicate The compound formation borosilicate compound and segment glass liquid of each raw material components of hydrochlorate single-sheet fire-resistant glass.Preferably, plus The temperature of hot incipient melting is 900~1100 DEG C.
In one preferred embodiment, the method heating melting that the strong melting zone 5 is heated using flame and electric smelting is combined. It is highly preferred that the flame heating includes all-oxygen combustion, oxygen-enriched combusting or air burning.Glass metal is by the bottom of connection by pre- Melting zone 3 flows into strong melting zone 5.
In a preferred embodiment, the side and bottom in the pre- melting zone 3 are provided with some heating electrodes 2.Preferably, The heating electrode 2 is to be uniformly distributed.
In a preferred embodiment, the pre- melting zone 3 is provided with dog-house 1.Closure is provided with dog-house 1. Pre- melting zone 3 is confined space during heating melting.
In a preferred embodiment, the side of strong melting zone 5 is provided with some spray guns 6.In a preferred implementation In example, the strong melting zone 5 side parallel with melt flow direction is provided with some spray guns 6.Either side is provided with some spray guns 6 Or two sides are equipped with some spray guns 6.Preferably, two sides are equipped with some spray guns 6.It is highly preferred that described two sides The interlaced arrangement of spray gun 6 in face.
In a preferred embodiment, the strong melting zone 5 side parallel with melt flow direction is provided with flue 7. Either side is equipped with flue 7 provided with flue 7 or two sides.Preferably, two sides are equipped with flue 7.Flue 7 is used to arrange The flue gas produced except burning.
In a preferred embodiment, the bottom in the strong melting zone 5 is provided with some heating electrodes 2.
In a preferred embodiment, the temperature in strong melting zone 5 is 1500~1700 DEG C.
A kind of to control the method that boron volatilizees in borosilicate single-sheet fire-resistant glass, methods described uses device described above, Put into after each raw material components of borosilicate single-sheet fire-resistant glass are well mixed and incipient melting is electrically heated in pre- melting zone 3, heating is just The mobile phase obtained after molten is flowed into strong melting zone 5 by bottom;In strong melting zone 5, heated simultaneously by electricity and flame further Melting obtains uniform glass metal.The glass metal is used to manufacture borosilicate single-sheet fire-resistant glass.
In a preferred embodiment, the temperature of heating incipient melting is 900~1100 DEG C.In a preferred embodiment In, the mixture of each raw material components of borosilicate single-sheet fire-resistant glass is put into from dog-house 1.In a preferred embodiment In, heated in pre- melting zone 3 using heating electrode 2.In a preferred embodiment, using heating electrode 2 and spray in strong melting zone 5 Rifle 6 is heated simultaneously.In a preferred embodiment, it is 1500~1700 DEG C that melting temperature is heated in strong melting zone 5.It is excellent at one In the embodiment of choosing, the flue gas that burning is produced is discharged by the flue 7 of both sides.
The compound of each raw material components of the borosilicate single-sheet fire-resistant glass is mixed powder.Moisture need not be added Mixing.
Above-mentioned technical proposal of the present invention solves defect present in background technology, and it can effectively control monolithic fire prevention glass The volatilization of boron in glass production, is melted using pre- melting zone all-electric melting and strong melting zone flame powers up fluxing fusing mode, can be significantly The volatilization for reducing boron in the production of borosilicate single-sheet fire-resistant glass, maximum can reduce boron volatilization 5%~15%, save boron former Material, extends kiln age.
Embodiment 1
Each raw material components of the borosilicate single-sheet fire-resistant glass of fusing to be processed in the present embodiment include following raw material group Divide and parts by weight:
Heating melting is carried out using above-mentioned melting furnaces device and method in the embodiment of the present invention and forms uniform glass metal, is passed through Glassware is made in shaping.
In the mixture of each raw material components, the content of boron element is 3.111 parts by weight;
Chemical titration is used to obtain the content of boron element for 2.950 parts by weight to glassware in embodiment 1.
The volatile quantity of boron element is 0.161 parts by weight, and the boron element of volatilization accounts for 5.18% of Boron contents in raw material components.
Comparative example 1
The borosilicate monolithic in melting embodiment 1 is heated using the fluxing fusing mode of the power-up of total oxygen in the prior art to prevent Glassware is made by shaping in the mixture of each raw material components of flint glass, the glass metal of formation.
In the mixture of each raw material components, the content of boron is 3.111 parts by weight.
Chemical titration is used to obtain the content of boron for 2.650 parts by weight to the glassware in comparative example 1.
The volatile quantity of boron element is 0.461 parts by weight, and the boron element of volatilization accounts for 14.92% of Boron contents in raw material components.
Embodiment 2
Each raw material components of the borosilicate single-sheet fire-resistant glass of fusing to be processed in the present embodiment include following raw material group Divide and parts by weight:
Heating melting is carried out using above-mentioned melting furnaces device and method in the embodiment of the present invention and forms uniform glass metal, is passed through Glassware is made in shaping.
In the mixture of each raw material components, the content of boron is 3.93 parts by weight;
Chemical titration is used to obtain the content of boron for 3.72 parts by weight to glassware in embodiment 2.
The volatile quantity of boron element is 0.21 parts by weight, and the boron element of volatilization accounts for 5.34% of Boron contents in raw material components.
Comparative example 2
The borosilicate monolithic in melting embodiment 2 is heated using the fluxing fusing mode of the power-up of total oxygen in the prior art to prevent Glassware is made by shaping in the mixture of each raw material components of flint glass, the glass metal of formation.
In the mixture of each raw material components, the content of boron is 3.93 parts by weight.
Chemical titration is used to obtain the content of boron for 3.48 parts by weight to the glassware in comparative example 2.
The volatile quantity of boron element is 0.45 parts by weight, and the boron element of volatilization accounts for 11.45% of Boron contents in raw material components.
In addition, it is to be understood that the one or more method and steps mentioned in the present invention do not repel before and after the combination step There can also be other method step or other method step can also be inserted between the step of these are specifically mentioned, unless separately It is described;It should also be understood that the combination annexation between the one or more equipment/devices mentioned in the present invention is not repelled Can also have other equipment/device before and after the unit equipment/device or two equipment/devices specifically mentioning at these it Between can also insert other equipment/device, unless otherwise indicated.Moreover, unless otherwise indicated, the numbering of various method steps is only Differentiate the convenient tool of various method steps, rather than ordering or restriction enforceable model of the invention for limitation various method steps Enclose, being altered or modified for its relativeness is of the invention enforceable when being also considered as in the case of without essence change technology contents Category.

Claims (10)

1. a kind of control the melting furnaces device that boron volatilizees in the production of borosilicate single-sheet fire-resistant glass, it is characterised in that the melting furnaces Device includes melting furnaces body, and the melting furnaces body includes being provided with barricade (4) in heating chamber, the heating chamber, and the barricade (4) will The heating chamber is divided into pre- melting zone (3) and strong melting zone (5), and the bottom in the pre- melting zone (3) and the strong melting zone (5) connects It is logical.
2. melting furnaces device according to claim 1, it is characterised in that:The pre- melting zone (3) is heated using all-electric melting mode The compound of each raw material components of incipient melting borosilicate single-sheet fire-resistant glass.
3. melting furnaces device according to claim 1, it is characterised in that:The strong melting zone (5) is heated and electric smelting using flame The method being combined further heats melting.
4. melting furnaces device according to claim 1, it is characterised in that:The pre- melting zone (3) if side and bottom provided with Dry heating electrode (2).
5. melting furnaces device according to claim 1, it is characterised in that:The pre- melting zone (3) is provided with dog-house (1).
6. melting furnaces device according to claim 2, it is characterised in that:Each raw material of the borosilicate single-sheet fire-resistant glass The compound of component is mixed powder.
7. melting furnaces device according to claim 1, it is characterised in that:The melting furnaces device includes one kind in following feature Or it is a variety of:
The side of the strong melting zone (5) is provided with some spray guns (6);
The strong melting zone (5) and side be provided with flue (7).
8. melting furnaces device according to claim 1, it is characterised in that:The bottom of the strong melting zone (5) is provided with some heating Electrode (2).
9. melting furnaces device according to claim 1, it is characterised in that:The temperature in strong melting zone (5) is 1500~1700 DEG C.
10. a kind of control the method that boron volatilizees in borosilicate single-sheet fire-resistant glass, methods described uses such as claim 1~8 Any one of melting furnaces device, by each raw material components of borosilicate single-sheet fire-resistant glass it is well mixed after put into pre- melting zone (3) mobile phase after incipient melting, heating incipient melting is electrically heated in flow into strong melting zone (5) by bottom, and electricity is passed through in strong melting zone (5) Heat further melting simultaneously with flame and obtain uniform glass metal.
CN201710546647.8A 2017-07-06 2017-07-06 It is a kind of to control the melting furnaces device and method that boron volatilizees in the production of borosilicate single-sheet fire-resistant glass Pending CN107188393A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113620565A (en) * 2021-08-13 2021-11-09 甘肃旭康材料科技有限公司 Kiln for melting neutral borosilicate glass raw material
CN113845291A (en) * 2021-10-25 2021-12-28 北京工业大学 Method for eliminating medium borosilicate medical glass scum and glass melting furnace structure
CN114835380A (en) * 2022-04-07 2022-08-02 齐鲁工业大学 Melting production process for inhibiting volatilization of borosilicate glass components

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030056840A (en) * 2001-12-28 2003-07-04 김병일 borosilicate cellular glass and manufacture method of cellular glass using it
CN202576194U (en) * 2012-03-27 2012-12-05 彩虹显示器件股份有限公司 Electric melting kiln heating device for melting borosilicate glass
CN104211280A (en) * 2014-09-16 2014-12-17 中国建材国际工程集团有限公司 Large melting kiln suitable for borosilicate glass
CN204185369U (en) * 2014-09-16 2015-03-04 中国建材国际工程集团有限公司 Be suitable for the large-scale melting furnaces of borosilicate glass
CN206970455U (en) * 2017-07-06 2018-02-06 中国建材国际工程集团有限公司 It is a kind of to control the melting furnaces device that boron volatilizees in the production of borosilicate single-sheet fire-resistant glass

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030056840A (en) * 2001-12-28 2003-07-04 김병일 borosilicate cellular glass and manufacture method of cellular glass using it
CN202576194U (en) * 2012-03-27 2012-12-05 彩虹显示器件股份有限公司 Electric melting kiln heating device for melting borosilicate glass
CN104211280A (en) * 2014-09-16 2014-12-17 中国建材国际工程集团有限公司 Large melting kiln suitable for borosilicate glass
CN204185369U (en) * 2014-09-16 2015-03-04 中国建材国际工程集团有限公司 Be suitable for the large-scale melting furnaces of borosilicate glass
CN206970455U (en) * 2017-07-06 2018-02-06 中国建材国际工程集团有限公司 It is a kind of to control the melting furnaces device that boron volatilizees in the production of borosilicate single-sheet fire-resistant glass

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113620565A (en) * 2021-08-13 2021-11-09 甘肃旭康材料科技有限公司 Kiln for melting neutral borosilicate glass raw material
CN113845291A (en) * 2021-10-25 2021-12-28 北京工业大学 Method for eliminating medium borosilicate medical glass scum and glass melting furnace structure
CN114835380A (en) * 2022-04-07 2022-08-02 齐鲁工业大学 Melting production process for inhibiting volatilization of borosilicate glass components
CN114835380B (en) * 2022-04-07 2023-08-25 齐鲁工业大学 Melting production process for inhibiting volatilization of borosilicate glass components

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