CN104086198B - A kind of glass furnace Apyre flame-proof material and goods thereof - Google Patents
A kind of glass furnace Apyre flame-proof material and goods thereof Download PDFInfo
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- CN104086198B CN104086198B CN201410338652.6A CN201410338652A CN104086198B CN 104086198 B CN104086198 B CN 104086198B CN 201410338652 A CN201410338652 A CN 201410338652A CN 104086198 B CN104086198 B CN 104086198B
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Abstract
The present invention relates to a kind of glass furnace Apyre flame-proof material and goods thereof, the formula of material is: 5-1mm andalusite 0-52%, 1-0.088mm andalusite 15-30%, < 0.088 andalusite 10-20%, 5-1mm mullite 0-52%, 5-1mm flint clay 0-52%, can alumina hydrate 0-8%, silicon ash 2-6%, aluminous cement 0-2%, additional high efficiency water reducing agent 0.05-0.4%, α Al2O3The additional organic bond 1-6% of micro mist 2-5%, external adding water 1-6%. The production method of goods of the present invention is: by each raw material through weighing, mixing, cast molding, the demoulding, maintenance, make adobe after being dried, burning till, checking, wherein firing temperature is at 1300-1450 DEG C, then makes the fire resistive material product for glass furnace output section after the machining such as jagsaw, mill, throwing.
Description
Technical field
The present invention is a kind of refractory material taking andalusite as main component. Under normal temperature, this material is with ultra-low cement, cement-free knotThe mode moulding of closing; After burning till, andalusite is deformed into mullite-vagcor composite construction mutually, thereby has good resistance to heightTemperature, anti-thermal shock, anti-erosion function, be applicable to replacing sillimanite to make the refractory material at glass furnace discharging position. For example, float glassThe equipment bricks such as the tin groove roof brick of production line, daily and specific glass Yao Liao road, feeding machine, bench.
Background technology
At present, the tin groove roof brick of float glass furnace, domestic glass Yao Liao road brick, chute, swivelling pipe, feed basin, orifice ring,Stirring arm, drift, barrel, gear fire slag brick, damper block, front arch brick, rear arch brick, spout cover, port brick, burn chew brick, beam,Front arch extensively adopts sillimanite as material. Trace it to its cause, be mainly sillimanite have to glass metal pollute little, high temperature resistant andThe ability of anti-thermal shock and certain opposing glass metal water eroding and flooding.
But sillimanite refractory has two shortcomings. One, sillimanite is converted into the about 1450-1500 DEG C of temperature of mullite in a large number;Volumetric expansion 5-8% when conversion, they are two years old. Sillimanite is a kind of natural minerals, with tiny state and other material symbiosis, warpAfter exploitation, fragmentation, ore dressing, can only obtain the sillimanite below 0.5mm. Due to first shortcoming, make sillimanite goodsNeed burn till through 1500-1550 DEG C of temperature. In burning till, the sillimanite refractory product of Idiotype easily deforms, adhesion. ByIn second shortcoming, while manufacturing sillimanite aggregate, need sillimanite is levigate in ceramic grinding, then through dehydration, moulding, dry,Burn till, broken, screening and repeatedly the operation such as deironing just can complete. Thereby sillimanite aggregate is not only difficult to preparation, price is phase alsoWork as costliness. Thereby glass industry is only used a large amount of non-pure sillimanite bricks conventionally. For example, use mullite or flint clay conductCoarse aggregate, using natural sillimanite as fine aggregate, using fine grinding sillimanite as matrix, with slip casting casting making adobe, then warpFinish mix road brick after high temperature sintering. Like this, though avoided complicated technique, cost is become can be accepted, greatly foldingDamage the thermal shock resistance of material.
Summary of the invention
The object of the invention is to, study a kind of glass furnace Apyre flame-proof material and goods thereof, refractory material is had wellHigh temperature resistant, anti-thermal shock, opposing glass attack and the ability of washing away, the firing temperature of manufactured goods is lower.
The present invention is achieved in that one, replaces sillimanite with andalusite; Its two, adopt ultralow water or cement-free composite solidThe method of changing is made large-scale, the Idiotype goods such as material road brick.
● first, andalusite and sillimanite have almost identical chemical composition, thereby andalusite goods have similar sillimanite systemProduct high temperature resistant and do not pollute the performance of glass metal.
● secondly, andalusite starts to be converted into mullite temperature and is about 1350 DEG C, volumetric expansion approximately 5%; Sillimanite starts to transformApproximately 1450 DEG C of temperature, cubical expansivity 5～8%. Therefore, the firing temperature of andalusite material is less than about greatly sillimanite materialExpect 100 DEG C. Like this, can reduce the possibility of product deformation, adhesion with the brickmaking of andalusite replacement sillimanite, improve and manufactureQualification rate.
● the 3rd, andalusite is also a kind of natural minerals, but with thicker state and other material symbiosis, through exploitation, broken,After ore dressing, can obtain the andalusite of 5-1mm. Like this, while using andalusite as raw material, just multiple without adoptingAssorted technique is synthesized expensive coarse aggregate.
● last, the present invention adopts organic and inorganic mixed binding, has significantly reduced and has condensed, solidifies the demand to cement, significantlyReduce cement mixing content. Corresponding, the calcium oxide of bringing castable into by cement during by moulding can be down to from 2.5～1.0%0.1% scene, meets the requirement of cement-free castable CaO < 0.2%. Like this, just strengthen the high-temperature behavior of materialWith the ability of resisting glass attack, washing away.
The formula of the castable percentage by weight of described refractory material is:
Wherein said andalusite is commercially available refractory raw material of the same name, and described mullite is commercially available refractory raw material of the same name, and described flint clay isFor commercially available refractory raw material of the same name, described alpha-aluminium oxide micro mist is commercially available refractory products of the same name, its particle diameter d50(in powder, account for totalMeasure 50% granule and account for the oarse-grained boundary size of total amount 50%)≤8 microns, described can alumina hydrate be commercially available prod, itsPrincipal component is ρ-Al2O3The mixture of the steady alpha-alumina crystals of Jie, described silicon ash is commercially available refractory products, described calcium aluminateCement is commercially available aluminous refractory cement, comprises Al2O3Content is aluminium 80, aluminium 70, aluminium 65 pure calcium aluminate cements of 80%-60%,Described high efficiency water reducing agent is commercially available building concrete water reducer: sulfonated naphthalene yuban high efficiency water reducing agent, or sulfonated melaminePolymer high efficiency water reducer, or polycarboxylic acid series high efficiency water reducing agent, described organic bond is commercially available building polyacrylate emulsion, bagDraw together building polyacrylate emulsion, building acrylic acid and acrylate copolymer emulsion and acrylic acid-Acrylate-styrene bipolymer threeUnit's copolymerization non-ionic water-soluble emulsion, the solids content 40-60% of emulsion, typical particle diameter 0.1-0.3 μ m, pH value 6-9.
According to said ratio, each raw material is after weighing, mixing, cast molding, the demoulding, maintenance, being dried, burning till, checkingMake adobe, wherein firing temperature is at 1300-1450 DEG C, then makes for glass furnace after the machining such as jagsaw, mill, throwingThe fire resistive material product of material part,
Detailed description of the invention
Embodiment 1
Adopt 5-1mm mullite 31%, 5-1mm andalusite 20%, 1-0.088mm andalusite 20%, < 0.088mm andalusite18%, alumina powder 3%, silicon ash 3%, can alumina hydrate 5%; Additional: pure calcium aluminate cement 0.5%, polycarboxylate water-reducer0.1%, polyacrylate emulsion 3%, the rear companion of water 3% and, through shaping, maintenance, the demoulding, dry after, then through 1400 DEG C × 6 hoursHeat treatment has made rupture strength 16MPa, compressive resistance 63MPa, refractoriness under load T0.6=1560 DEG C, 1100 DEG C of water-cooleds 5 timesThe material of rupture strength conservation rate >=30%, then make the goods for glass furnace after processing.
Embodiment 2
Adopt 5-1mm andalusite 51%, 1-0.088mm andalusite 20%, < 0.088mm andalusite 18%, alumina powder 3%,Silicon ash 2%, pure calcium aluminate cement 1%, can alumina hydrate 5%,, additional polycarboxylate water-reducer 0.1%, polyacrylate emulsion 3%,The rear companion of water 3% and, through shaping, maintenance, the demoulding, dry after, then make the anti-folding of 15MPa through heat treatment in 1380 DEG C × 6 hoursIntensity, the compressive resistance of 60MPa, refractoriness under load T0.6=1550 DEG C, 5 rupture strength conservation rate > 60% of 1100 DEG C of water-cooledsMaterial,, then through processing after make the goods for glass furnace. Compared with sillimanite material, andalusite material has identicalHigh temperature resistant, anti-erosion, non-staining performance, but there is better thermal shock resistance. In addition, andalusite material is convenient to manufacture, rawProduce cost lower. Therefore, in glass furnace output section with the now widely used sillimanite material of andalusite material substitution be expected intoOne step is improved the result of use of material.
Claims (2)
1. a glass furnace Apyre flame-proof material, is characterized in that: the formula of the castable percentage by weight of described refractory material is:
Wherein said andalusite is commercially available refractory raw material of the same name, and described mullite is commercially available refractory raw material of the same name, and described flint clay is commercially available refractory raw material of the same name, and described alpha-aluminium oxide micro mist is commercially available refractory products of the same name, its particle diameter d50≤ 8 microns, described d50For tailing over the particle diameter that reaches 50% correspondence, described can alumina hydrate be commercially available prod, and its principal component is ρ-Al2O3The mixture of the steady alpha-alumina crystals of Jie, described silicon ash is commercially available refractory products, described aluminous cement is commercially available aluminous refractory cement, comprises Al2O3Content is the aluminium 80 of 80%-60%, aluminium 70, aluminium 65 pure calcium aluminate cements, described high efficiency water reducing agent is commercially available building concrete water reducer: sulfonated naphthalene yuban high efficiency water reducing agent, or sulfonated melamine polymer high efficiency water reducer, or polycarboxylic acid series high efficiency water reducing agent, described organic bond is commercially available building polyacrylate emulsion, comprise building polyacrylate emulsion, building acrylic acid and acrylate copolymer emulsion, and acrylic acid-Acrylate-styrene bipolymer ternary polymerization non-ionic water-soluble emulsion, the solids content 40-60% of emulsion, typical particle diameter 0.1-0.3 μ m, pH value 6-9.
2. produce the method for refractory material described in claim 1 for one kind, it is characterized by: according to described proportioning, by each raw material through weighing, mixing, cast molding, the demoulding, maintenance, make adobe after being dried, burning till, checking, wherein firing temperature is at 1300-1450 DEG C, then makes the fire resistive material product for glass furnace output section after jagsaw, mill, throwing processing.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104387092A (en) * | 2014-10-14 | 2015-03-04 | 辽宁中弘信冶金技术有限公司 | Refractory building block manufacturing method and coke dry quenching furnace corbel column masonry |
| CN105036754A (en) * | 2014-12-30 | 2015-11-11 | 江苏财经职业技术学院 | High-strength castable for prolonging service life of desulfuration spray gun and preparation method thereof |
| WO2017102954A1 (en) * | 2015-12-16 | 2017-06-22 | Calderys France | Castable refractory compositions comprising zeolithic microstructures and uses thereof |
| CN106045541B (en) * | 2016-07-22 | 2019-05-17 | 山东政泰耐火股份有限公司 | Apyre flame-proof material |
| CN109748594A (en) * | 2019-03-12 | 2019-05-14 | 宜兴市恒祥耐火材料有限公司 | A kind of coke dry quenching furnace bracket refractory protection material and preparation method thereof |
| CN110357471B (en) * | 2019-07-24 | 2021-06-29 | 中国矿业大学 | Preparation method and application of phase-change river sand with high fire resistance |
| CN112159080B (en) * | 2020-10-09 | 2022-12-27 | 山东淄博沈淄耐火材料有限公司 | Special sillimanite hot-face brick for top cover brick at top of tin bath of float glass kiln and preparation method thereof |
| CN115636677B (en) * | 2022-10-26 | 2023-10-24 | 中南大学 | Tin bath top cover brick for float glass production and preparation method thereof |
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| CN1323761A (en) * | 2001-07-04 | 2001-11-28 | 中国建筑材料科学研究院 | Large Al-Si system large shaped refractory products and the production process |
| CN101412630A (en) * | 2008-08-29 | 2009-04-22 | 瑞泰科技股份有限公司 | Antiskinning castable for magnesium aluminate spinel for cement kiln |
| CN103408314A (en) * | 2013-09-01 | 2013-11-27 | 徐梅子 | Refractory casting material |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323761A (en) * | 2001-07-04 | 2001-11-28 | 中国建筑材料科学研究院 | Large Al-Si system large shaped refractory products and the production process |
| CN101412630A (en) * | 2008-08-29 | 2009-04-22 | 瑞泰科技股份有限公司 | Antiskinning castable for magnesium aluminate spinel for cement kiln |
| CN103408314A (en) * | 2013-09-01 | 2013-11-27 | 徐梅子 | Refractory casting material |
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