CN107032598A - A kind of composite anti-foaming agent produced suitable for glass fibre - Google Patents
A kind of composite anti-foaming agent produced suitable for glass fibre Download PDFInfo
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- CN107032598A CN107032598A CN201710367336.5A CN201710367336A CN107032598A CN 107032598 A CN107032598 A CN 107032598A CN 201710367336 A CN201710367336 A CN 201710367336A CN 107032598 A CN107032598 A CN 107032598A
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- Prior art keywords
- glass fibre
- composition
- foaming agent
- composite anti
- glass
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/004—Refining agents
-
- 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
-
- 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
-
- 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
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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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 invention discloses a kind of composite anti-foaming agent composition suitable for glass fiber kiln, it mainly includes bulk composition and solvent composition, and bulk composition includes foamicide, sodium pyroantimonate and the sodium sulphate composition steep that wall reducer and the solvent efficiency of combustion optimization iron of agent penta 2 that titanium compound is constituted；Solvent composition is that flash-point >=38 DEG C of solvent, bulk composition is dissolved in solvent or is suspended in solid particle state among solvent containing diesel oil, aviation kerosine, heavy oil or its arbitrary proportion mixture.Composite anti-foaming agent of the present invention, by producing new minute bubbles in the glass metal walls of floating to reach the effect of thinned walls, simultaneously by reducing walls local viscosity and surface tension, accelerate bubbles burst, to reach the maximum temperature that need not improve glass fiber kiln, and the purpose of glass metal blibbing layer in glass fiber kiln different temperatures region can be eliminated, efficiency is steeped with the row that this improves glass metal, glass fibre fracture of wire is reduced, production efficiency is improved.
Description
Technical field
The invention belongs to found technical field in glass fibre production process, specifically relate to a kind of suitable for glass fibers
Tie up the composite anti-foaming agent of production.
Background technology
In glass fibre production process, because the raw materials such as silica sand, feldspar can discharge in pyrolytic, fusion process
CO2、O2、H2The a large amount of gases of the gases such as O, form a large amount of bubbles in glass metal, and bubble layer covers big portion in glass fiber kiln
Divide the non-dispensing area of coverage, its alveolar layer thickness is that the presence of air blister defect in 10mm~100mm, glass fibre liquid causes glass fibre
Glass fibre fractures in drawing process, has a strong impact on the efficiency of glass fibre production.
Generally, to reduce the bubble in glass metal, it can be increased by adding certain proportion fining agent in frit
Plus bubble radius, its principle is：Fining agent decomposes generation such as SO at high temperature2、O2Deng gas, the gas and above-mentioned frit
Decompose the gas produced to combine, so that bubble radius increase, in order to float up on the liquid level of glass metal；Can also be by carrying
High temperature of glass liquid, reduce the mode (such as by heating) of viscosity of glass metal to promote bubble discharge in glass metal, with this simultaneously,
The rise of temperature of glass liquid also reduces the surface tension of glass metal, promotes to swim in the rupture of the froth bed on glass metal surface.
But, although the use of fining agent can promote a large amount of bubble bubble diameter increases to float to glass metal surface, by
Do not change in the surface tension of glass metal in itself, so except a small number of king-sized bubble floatings of diameter to meeting behind glass metal surface
Rupture, most of bubble floating gathers together to glass metal surface post-concentration, and stacking is piled into froth bed, the presence one of froth bed
Aspect prevents the efficiency of bubble floating in glass metal, on the other hand can be in glass metal and glass fiber kiln top combustion heating fire
One layer of reflection, thermal insulation layer, absorption of the influence glass metal to heat are formed between flame.And by promoting constantly to glass liquid heating
Bubble is discharged and ruptured, on the one hand because froth bed presence can influence the efficiency of heating surface, on the other hand, except glass metal surface tension
Outside, bubble diameter size, the difference of steep that wall thickness of bubble are limited by, wants to ensure glass metal surface institute alveolate rupture, glass
Liquid temperature degree will be heated to very high, the substantial amounts of energy certainly will be consumed, while prolonged high temperature can also influence glass fiber kiln
Bulk life time.
The content of the invention
The technical problems to be solved by the invention are to provide one kind for the deficiency that above-mentioned prior art is present and be applied to
The composite anti-foaming agent of glass fibre production, solves in middle alkali, alkali-free glass fibre production process and triggers disconnected because of air blister defect
Silk causes the problem of production efficiency is low.
The technical scheme that the present invention is used by solution the problem of set forth above for：
A kind of composite anti-foaming agent produced suitable for glass fibre, including bulk composition and solvent composition, the main body into
Dividing includes foamicide titanium-containing compound.
By such scheme, the bulk composition also includes steep that wall reducer sodium pyroantimonate and/or sodium sulphate.
By such scheme, the bulk composition also includes solvent efficiency of combustion and optimizes the iron of agent penta 2.
It is further preferred that the bulk composition is by foamicide titanium-containing compound, steep that wall reducer sodium pyroantimonate and/or sulphur
Sour sodium, solvent efficiency of combustion optimization agent penta 2 iron composition.
Further, the mass percent that foamicide is met in the bulk composition of the composite anti-foaming agent is not less than
80%, preferably not less than 85%.
Further, the mass percent that steep that wall reducer is met in the bulk composition of the composite anti-foaming agent is not higher than
10%, preferably no greater than 6%.
Further, the mass percent sum of ferrocene is not higher than in the bulk composition of the composite anti-foaming agent
10%, preferably no greater than 6%.
By such scheme, flash-point >=38 DEG C of the solvent composition, its bulk composition is dissolved in solvent composition or with solid
Granular state is suspended among solvent composition.Preferably, the solvent composition is one in the oils such as diesel oil, aviation kerosine, heavy oil
Plant or several mixtures in any proportion.
By such scheme, described foamicide titanium-containing compound is mainly the fourth fat (C of metatitanic acid four16H36O4Ti), titanium dioxide
One or more of mixtures in any proportion in, its main function can reduce walls local surface tension, accelerate broken
Bubble.
By such scheme, described steep that wall reducer predominantly sodium pyroantimonate and sodium sulphate, it can mainly make gas
New minute bubbles are produced in steep that wall to reach thinned walls, make easily vanishing for bubble change.
By such scheme, described solvent efficiency of combustion optimization agent is mainly ferrocene (Fe (C5H5)2), its main function
Solvent composition efficiency of combustion is improved, while the safety in utilization of defoamer bulk composition and solvent composition can also be optimized.
By such scheme, the powder material in the bulk composition of the composite anti-foaming agent, its particle diameter must is fulfilled for 100 mesh sieves
Full by, preferably 150 mesh sieves full by.
Glass fibre includes alkali-free glass fibre and medium-alkali glass fibre, the representative component and its matter of alkali-free glass fibre
Measuring percentage composition is：SiO254-62wt%, Al2O310-15wt%, CaO+MgO 15-25wt%, B2O30-10wt%,
Na2O+K2O+Li2O≤1wt%, Fe2O3≤5000ppm；The representative component and its weight/mass percentage composition of medium-alkali glass fibre be：
SiO265-69wt%, Al2O34-9wt%, CaO+MgO 11-18wt%, Na2O+K2O+Li2O 10-15wt%, Fe2O3≤
5000ppm.NEW TYPE OF COMPOSITE defoamer of the present invention is directed to different glass fibre species, bulk composition and solvent composition
Ratio is different, the ratio of middle alkali, alkali-free glass fibre product chemical composition influence defoamer bulk composition and solvent composition, and gives birth to
Alkali, for example pure electric boosting heating of kiln mode of heating of alkali-free glass fibre product, electric boosting and pure oxygen composite heating, pure oxygen in production
Heating, the fluxing heating of air, influence of the oxygen-enriched combustion-supporting heating to composite anti-foaming agent be not obvious.
By such scheme, for alkali-free glass fibre, the mass ratio of composite anti-foaming agent bulk composition and solvent composition is 1:
2-25, preferably 1:2.5-12；For medium-alkali glass fibre, the mass ratio of composite anti-foaming agent bulk composition and solvent composition is 1:2-
25, preferably 1:9-22.
Composite anti-foaming agent of the present invention is produced suitable for glass fibre, and its day usage amount is not higher than glass day fusing amount
0.10wt%, temperature in use is not less than 1300 DEG C.
The major technique design of the present invention：Present invention is generally directed to high alumina content, high alkaline-earth metal in glass fibre
The characteristics of content, more loose iron oxide control, develop it is a kind of be applied to glass fiber product (such as alkali-free glass fibre, in
Alkali containing glass fibre etc.) composite anti-foaming agent, efficiently eliminate and the bubble layer on kiln glass metal surface swum in fusion process, simultaneously
Any bad influence can not be produced on glass fiber product performance again.
It is up in glass fiber kiln under more than 1550 DEG C of the condition of high temperature, the fourth fat (C of metatitanic acid four16H36O4Ti) occurs oxygen
Change and high temperature TiO is formed after combustion reaction2(such as foamicide directly uses titanium dioxide TiO to ultrafine dust2Then directly sprayed into solvent,
Directly obtain TiO2Ultrafine dust) descend slowly and lightly in kiln in the steep that wall of bubble layer, due to TiO2Middle Ti-O bond polarities are larger, surface
High-temperature space vaporous water and dissociate its polarization in the kiln of absorption, i.e. H-OH dissociates hydroxyl-OH, the hydroxyl dissociateed-
OH, which enters, to be formed in the glass metal of walls, reduces the viscosity and surface tension in the area, this corresponding when reaching to a certain degree, gas
Bubble is with regard to rupturing；
Meanwhile, in glass fibre production process, steep that wall reducer sodium pyroantimonate, sodium sulphate are injected into glass metal bubble
Layer, under the high temperature conditions, reaction of being decomposed in walls, sodium pyroantimonate NaSb (OH) 6 is decomposed into Na2O、Sb2O3And O2,
Sodium sulphate Na2SO4It is decomposed into Na2O、SO3And O2, tiny micro Na2O and Sb2O3Enter in glass metal, and to glass product
Performance does not have any influence, and O2、SO3Many new minute bubbles are produced in glass metal walls to reach thinned walls
Effect, what walls became under the conditions of making together is easily broken；
In addition, because the solvent in the composite anti-foaming agent of the present invention is conventional fuel composition, because penta 2 iron can improve fuel combustion
Efficiency is burnt, exhaust gas volumn after burning is reduced, so introducing a certain amount of penta 2 iron in defoamer, but penta 2 iron are considered most simultaneously
Eventually to enter in the form of iron oxide or ferrous oxide in glass metal, there is certain influence to the transmitance index of glass fiber product,
But because glass fiber product requires more wide in range to transmitance, the introduction volume of penta 2 iron can suitably increase.
By above-mentioned principle, the present invention have developed the composite anti-foaming agent of suitable glass fibre production, and reaching need not
Improve glass fibre and produce the maximum temperature of kiln, and can speed up glass metal blibbing layer in kiln different temperatures region
Rupture, hence it is evident that eliminate froth bed, improves glass fibre production qualification rate.
Compared with prior art, the beneficial effects of the invention are as follows：
First, caused by the present invention is triggers fracture of wire in alkali, alkali-free glass fibre production process in solving because of air blister defect
The problem of production efficiency is low can promote glass metal blibbing layer there is provided one kind in glass fibre production process
The composite anti-foaming agent of rupture, by producing new minute bubbles in the glass metal walls of floating to reach the work of thinned walls
With while by reducing walls local viscosity and surface tension, accelerating bubbles burst, glass fibre need not being improved to reach
The maximum temperature of kiln, and the purpose of glass metal blibbing layer in glass fiber kiln different temperatures region can be eliminated, with
This improves row's bubble efficiency of glass metal, reduces glass fibre fracture of wire, improves production efficiency.
Second, the composite anti-foaming agent developed of the present invention, introduced composition will not be to the physicochemical property of glass fiber product
Negative impact is produced, and (such as pure electric boosting heating, electric boosting and pure oxygen composite heating, pure oxygen are heated kiln mode of heating, sky
The fluxing heating of gas, oxygen-enriched combustion-supporting heating) very little is influenceed on production alkali-free, medium-alkali glass fibre product.
Brief description of the drawings
Fig. 1 is 6 tons of glass fibre electric melting furnace front views.
Fig. 2 is 6 tons of glass fibre electric melting furnace top views.
Wherein, 1- batches input port, 2- melting tanks, 3- consumable electrode rods, 4- rising passway electrode bars, 5- is combined froth breaking
Agent sprays into point, 6- settling sections, 7- bushings.
Embodiment
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention is not
It is limited only to the following examples.
In following embodiments, the primary chemical composition of medium-alkali glass fibre is SiO266%；Al2O36%；CaO 11%；
MgO 5%；Na2O 12%；Fe2O32800ppm；The primary chemical composition of alkali-free glass fibre is SiO260%；
Al2O313%；CaO 23%；MgO 4%；R2O is less than 1%；Fe2O32700ppm.Because mixing heavy oil etc. need to heat it with
Its viscosity, increase mobility are reduced, while needing to handle pipeline, so the solvent composition used in embodiment is with aviation
Kerosene is representative illustration.
Embodiment 1
A kind of composite anti-foaming agent produced suitable for medium-alkali glass fibre, including bulk composition and solvent composition, each tool
Body is constituted and wire drawing qualification rate is as shown in table 1.
Embodiment 2
A kind of composite anti-foaming agent produced suitable for alkali-free glass fibre, including bulk composition and solvent composition, each tool
Body is constituted and wire drawing qualification rate is as shown in table 2.
All Electric Melting Furnace (Fig. 1, Fig. 2) glass fibre testing production line that certain ton day of company 6 is respectively adopted in Examples 1 and 2 enters
Alkali and the small line trial production of alkali-free glass fibre in row；The usage amount of composite anti-foaming agent is 600g/ days.Detailed process is as follows：Match somebody with somebody
Close material to be put into electric smelting glass fiber kiln by input port (1), batch melts in furnace pond (2), needed for fusing
The consumable electrode rod (3) that sets in the melting tank (2) of heat, the glass metal after fusing is by rising passway electrode bar (4)
Continue to heat, enter settling section (6), in settling section (6) region, there is provided 3 pairs of defoamers spray into point (5), eliminate the region
Interior froth bed, improves the clear quality of glass metal, the glass metal clarified is pulled out from bushing (7), as glass fibre
Product.
When the composite anti-foaming agents of involved different compositions in embodiment 1, small lot trial production medium-alkali glass fibre 12 days
Between, the main conditions such as table 1 below of trial production；The composite anti-foaming agent of involved different compositions, small lot trial production in embodiment 2
12 day time of alkali-free glass fibre, the main conditions such as table 2 below of trial production：
The medium-alkali glass fibre small lot of table 1 produces situation statistical form as a trial
The alkali-free glass fibre small lot of table 2 produces situation statistical form as a trial
From above-described embodiment and table 1, the data of table 2：
First, composite anti-foaming agent lifts effect substantially to the product qualification rate of alkali-free glass fibre, medium-alkali glass fibre, nothing
By being alkali-free glass fibre or medium-alkali glass fibre, improved using the qualification rate of glass fiber product after composite anti-foaming agent
Nearly about 10% (bubble is a key factor for causing glass fibre disconnected, and bubble is reduced, and glass fibre fracture of wire phenomenon is reduced, glass
Glass fiber qualification rate increase).Moreover, when bulk composition content is high in composite anti-foaming agent, product qualification rate also has 1%~5%
Difference；Composite anti-foaming agent is in the case where overall usage amount is constant, and the ratio of bulk composition and solvent composition is qualified to product
Rate also has a certain impact, in the case where other conditions are constant, when bulk composition ratio is high and low, and qualification rate difference 3%~
4%.
Described above is only the preferred embodiment of the present invention, it is noted that come for one of ordinary skill in the art
Say, without departing from the concept of the premise of the invention, some modifications and variations can also be made, these belong to the present invention's
Protection domain.
Claims (10)
1. a kind of composite anti-foaming agent produced suitable for glass fibre, including bulk composition and solvent composition, it is characterised in that institute
Bulk composition is stated including foamicide titanium-containing compound, the mass percent of foamicide is not less than 80% in bulk composition.
2. composite anti-foaming agent bulk composition according to claim 1, it is characterised in that also include in the bulk composition
The mass percent of steep that wall reducer is not higher than 10% in steep that wall reducer sodium sulphate and/or sodium pyroantimonate, bulk composition.
3. composite anti-foaming agent solvent composition according to claim 1, it is characterised in that also include in the bulk composition molten
The mass percent sum that agent efficiency of combustion optimizes ferrocene in the iron of agent penta 2, bulk composition is not higher than 10%.
4. a kind of composite anti-foaming agent produced suitable for glass fibre according to claim 1, it is characterised in that described molten
Flash-point >=38 DEG C of agent composition, its bulk composition is dissolved in solvent composition or is suspended in solid particle state among solvent composition.
5. a kind of composite anti-foaming agent produced suitable for glass fibre according to claim 1, it is characterised in that described molten
Agent composition is one or more of mixtures in any proportion in diesel oil, aviation kerosine, heavy oil.
6. a kind of composite anti-foaming agent produced suitable for glass fibre according to claim 1, it is characterised in that described
Foamicide titanium-containing compound is mainly the fourth fat of metatitanic acid four and/or titanium dioxide.
7. a kind of composite anti-foaming agent produced suitable for glass fibre according to claim 1, it is characterised in that described multiple
The powder material in the bulk composition of defoamer is closed, particle diameter is no more than 100 mesh.
8. a kind of composite anti-foaming agent produced suitable for glass fibre according to claim 1, it is characterised in that described multiple
The mass ratio for closing defoamer bulk composition and solvent composition is 1:2-25.
9. a kind of composite anti-foaming agent produced suitable for glass fibre according to claim 1, it is characterised in that the glass
Glass fiber includes alkali-free glass fibre and medium-alkali glass fibre, the representative component and its weight/mass percentage composition of alkali-free glass fibre
For：SiO254-62wt%, Al2O310-15wt%, CaO+MgO 15-25wt%, B2O30-10wt%, Na2O+K2O+Li2O
≤ 1wt%, Fe2O3≤5000ppm；The representative component and its weight/mass percentage composition of medium-alkali glass fibre be：SiO2 65-
69wt%, Al2O34-9wt%, CaO+MgO 11-18wt%, Na2O+K2O+Li2O 10-15wt%, Fe2O3≤5000ppm。
10. a kind of application method of composite anti-foaming agent produced suitable for glass fibre according to claim 1, its feature
When being the composite anti-foaming agent and being used for glass fibre and produce, day usage amount be not higher than the 0.10wt% of glass day fusing amount, make
It is not less than 1300 DEG C with temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367336.5A CN107032598A (en) | 2017-05-23 | 2017-05-23 | A kind of composite anti-foaming agent produced suitable for glass fibre |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367336.5A CN107032598A (en) | 2017-05-23 | 2017-05-23 | A kind of composite anti-foaming agent produced suitable for glass fibre |
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| CN107032598A true CN107032598A (en) | 2017-08-11 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270934A (en) * | 1999-04-21 | 2000-10-25 | 旭硝子株式会社 | Method for glass smelting |
| CN106477898A (en) * | 2016-10-11 | 2017-03-08 | 江苏九鼎新材料股份有限公司 | A kind of high-modulus glass fiber composition |
| CN206014646U (en) * | 2016-08-03 | 2017-03-15 | 合肥彩虹新能源有限公司 | A kind of defoaming device for photovoltaic glass kiln |
-
2017
- 2017-05-23 CN CN201710367336.5A patent/CN107032598A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270934A (en) * | 1999-04-21 | 2000-10-25 | 旭硝子株式会社 | Method for glass smelting |
| CN206014646U (en) * | 2016-08-03 | 2017-03-15 | 合肥彩虹新能源有限公司 | A kind of defoaming device for photovoltaic glass kiln |
| CN106477898A (en) * | 2016-10-11 | 2017-03-08 | 江苏九鼎新材料股份有限公司 | A kind of high-modulus glass fiber composition |
Non-Patent Citations (3)
| Title |
|---|
| 乔庆东: "《碳五烯烃的精细化工利用》", 31 January 2015, 辽宁科学技术出版社 * |
| 刘银: "《无机非金属材料工艺学》", 30 September 2015, 中国科学技术大学出版社 * |
| 蒋庆哲: "《表面活性剂科学与应用》", 31 May 2006, 中国石化出版社 * |
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