CN106220200A - 一种高铝质耐火涂抹料 - Google Patents

一种高铝质耐火涂抹料 Download PDF

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CN106220200A
CN106220200A CN201610610786.8A CN201610610786A CN106220200A CN 106220200 A CN106220200 A CN 106220200A CN 201610610786 A CN201610610786 A CN 201610610786A CN 106220200 A CN106220200 A CN 106220200A
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张婷
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/101—Refractories from grain sized mixtures
    • C04B35/103—Refractories from grain sized mixtures containing non-oxide refractory materials, e.g. carbon
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite

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Abstract

本发明涉及一种高铝质耐火涂抹料，具体的说是一种刚玉质轻质耐火涂抹料。包括如下重量份数的组分，3‑1mmA85轻质矾土骨料30‑40份、1‑0mm氧化铝空心球5‑15份、0.5‑0mm轻质莫来石10‑20份、莫来石粉11‑21份、改性法库土4‑6份、铝酸盐水泥5‑7份、莫来石1‑5μm晶须1‑3份、氮化钛1‑5μm晶须1‑3份、添加剂3‑5份，外加占上述总重量10‑18%的铝溶胶。所发明的莫来石质耐火涂抹料具有涂抹性好，烧结性好，养护时间短，可快速投入烘烤和使用。经高温热处理后，该涂抹料可与炉衬烧结在一起，且强度高、抗热震性好，不易开裂，修补效果良好，可有效提高高温窑炉的使用寿命。

Description

一种高铝质耐火涂抹料
技术领域
本发明涉及一种高铝质耐火涂抹料，具体的说是一种高铝质轻质耐火涂抹料。
背景技术
高温窑炉炉衬常用轻质材料砌筑工作衬，达到既耐高温又保温隔热，同时又能实现抗热剥落，但其价格昂贵一次性及维修更换投入很大。轻质耐火材料其强度不如致密耐火材料，因此在使用中，轻质耐火衬常受外来撞击比如窑车或窑车上烧的产品撞击而开裂、掉块、导致窑炉散热加剧影响窑炉烧成效果。
发明内容
为了解决上述技术问题，本发明提供一种涂抹方便，烧结性好，养护时间短，可快速投入烘烤和使用的耐火涂抹料，该料突出特点就是施工性好，涂抹方便烧结性好，且养护时间短，可快速投入烘烤和使用。在高温下，该涂抹料可与旧炉衬烧结在一起，结合强度高，不易脱落。
本发明为解决上述技术问题所采用的技术方案为：一种高铝质耐火涂抹料，其特征在于它包括如下重量份数的组分：3-1mmA85轻质矾土骨料30-40份、1-0mm氧化铝空心球5-15份、0.5-0mm轻质莫来石10-20份、莫来石粉11-21份、改性法库土4-6份、铝酸盐水泥5-7份、莫来石1-5μm晶须1-3份、氮化钛1-5μm晶须1-3份、添加剂3-5份，外加占上述总重量10-18%的铝溶胶；添加剂为硫酸镁钙钾粉、硅微粉和碳酸锆粉，其重量比为1:1:1，铝溶胶的密度为1.1g/mL，pH为4.5。
上述配料中,所述的铝溶胶可替换为等重量的硅溶胶。
所述铝酸盐水泥的铝含量为50%以上。
所述改性法库土第一步是把法库土在700℃保温10小时后获得产物1，然后按重量比50:1把产物1与聚乙烯醇混合均匀，即为改性法库土。
有益效果:本发明一种高铝质耐火涂抹料,具有施工性能好,易涂抹,烧结性好,养护时间短,可快速投入烘烤和使用。经高温热处理后,该涂抹料可与旧炉衬烧结在一起,且强度高、抗热震性好、不易开裂、修补效果良好、可大大提高高温窑炉的使用寿命、经一次修护后，使用寿命提高30%以上。
具体实施方式
为使本发明所要解决的技术问题，采取的技术方案、取得的技术效果易于理解现结合实施例对本发明作进一步的说明。
实施例1
一种高铝质耐火涂抹料，它包括如下重量份数的组分：3-1mmA85轻质矾土骨料30-40份、1-0mm氧化铝空心球5-15份、0.5-0mm轻质莫来石10-20份、莫来石粉11-21份、改性法库土4-6份、铝酸盐水泥5-7份、莫来石1-5μm晶须1-3份、氮化钛1-5μm晶须1-3份、添加剂3-5份，外加占上述总重量10-18%的铝溶胶，添加剂为硫酸镁钙钾粉、硅微粉和碳酸锆粉其重量比为1:1:1铝溶胶的密度为1.1g/mL，pH为4.5；上述配料中，所述的铝溶胶可替换为等重量的硅溶胶。所述铝酸盐水泥铝含量为50%以上。根据上述配方配料，首先在搅拌机中干混均匀然后加入10-18%的铝溶胶，湿混均匀后出料并用泥抹、瓦刀等工具将其涂抹至原炉衬裂缝或凹坑处然后人工压实、抹平即可、经自然养护5 小时后，高温窑炉即可按正常升温制度投入生产。使用寿命延长了30 %以上，保温隔热效果较不进行修复时高了18%。
实施例2
一种高铝质耐火涂抹料，它包括如下重量份数的组分：3-1mm轻质矾土骨料40份、1-0mm氧化铝空心球7份、0.5-0mm轻质莫来石10份、莫来石粉21份、改性法库土4份、铝酸盐水泥7份、莫来石1-5μm晶须3份、氮化钛1-5μm晶须3份、添加剂5份，外加占上述总重量10%的铝溶胶。添加剂为硫酸镁钙钾粉、硅微粉和碳酸锆粉，其重量比为1:1:1，铝溶胶的密度为1.1g/mL，pH为4.5；所述铝酸盐水泥的铝含量为50%以上。 根据上述配方配料，首先在搅拌机中干混均匀，然后加入15%的铝溶胶，湿混均匀后出料并用泥抹、瓦刀等工具将其涂抹至原炉衬裂缝或凹坑处然后人工压实、抹平即可；经自然养护5 小时后，高温窑炉即可按正常升温制度投入生产。使用寿命延长了32%，保温隔热效果较不进行修复时高了18%以上。

Claims (3)

1.一种高铝质耐火涂抹料，其特征在于由如下重量份数的组分组成：3-1mmA85轻质矾土骨料30-40份、1-0mm氧化铝空心球5-15份、0.5-0mm轻质莫来石10-20份、莫来石粉11-21份、改性法库土4-6份、铝酸盐水泥5-7份、莫来石1-5μm晶须1-3份、氮化钛1-5μm晶须1-3份、添加剂3-5份，外加占上述总重量10-18%的铝溶胶；添加剂为硫酸镁钙钾粉、硅微粉和碳酸锆粉，其重量比为1：1：1；铝溶胶的密度为1.1g/ml，PH为4.5；所述改性法库土第一步是把法库土在700℃保温10小时后获得产物1，然后按重量比50:1把产物1与聚乙烯醇混合均匀，即为改性法库土。
2.如权利要求1 所述的高铝质耐火涂抹料，其特征在于：所述的铝溶胶可替换为等重量的硅溶胶。
3.如权利要求1 所述的高铝质耐火涂抹料，其特征在于：所述铝酸盐水泥的铝含量为50%以上。
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CN105272016B (zh) * 2015-11-06 2018-08-17 河南理工大学 一种纳米氮化钛和氮化钛晶须干混砂浆及其制备方法
CN105622114B (zh) * 2015-12-21 2018-06-22 洛阳利尔耐火材料有限公司 一种低密度耐火纤维涂抹料及其制备方法
CN106220152B (zh) * 2016-07-22 2018-09-21 武汉科技大学 一种高温窑炉用高铝质耐火材料及其制备方法
CN110872192A (zh) * 2018-09-03 2020-03-10 上海梅山钢铁股份有限公司 一种鱼雷罐永久层用纳米涂抹料及其制备方法
CN111605263B (zh) * 2019-06-21 2022-09-16 中建材创新科技研究院有限公司 一种高强耐火纸面石膏板及其制备方法
CN111960831B (zh) * 2020-08-21 2022-05-27 浙江锦诚新材料股份有限公司 一种水泥窑预热器用喷涂料
CN115872757A (zh) * 2022-11-29 2023-03-31 钢城集团凉山瑞海实业有限公司 一种新型耐高温隔热修补涂料及其制备方法

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