CN104961483B - 一种陶瓷窑用耐火涂抹料 - Google Patents
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Abstract
本发明涉及一种陶瓷窑用耐火涂抹料，具体的说是一种陶瓷窑用轻质耐火涂抹料。包括如下重量份数的组分，3‑1mm莫来石骨料30‑40份、1‑0mm红柱石骨料5‑15份、0.5‑0mm焦宝石骨料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，可有效提高陶瓷窑的使用寿命。
Description
技术领域
本发明涉及一种陶瓷窑用耐火涂抹料，具体的说是一种陶瓷窑用轻质耐火涂抹料。
背景技术
陶瓷窑炉衬常用轻质莫来石砌筑工作衬，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。轻质莫来石属轻质耐火材料，其强度不如致密耐火材料，因此在使用中，轻质莫来石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：一种陶瓷窑用耐火涂抹料，其特征在于它包括如下重量份数的组分：3-1mm莫来石骨料30-40份、1-0mm红柱石骨料5-15份、0.5-0mm焦宝石骨料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：本发明一种陶瓷窑用耐火涂抹料，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
一种陶瓷窑用耐火涂抹料，它包括如下重量份数的组分：3-1mm莫来石骨料30-40份、1-0mm红柱石骨料5-15份、0.5-0mm焦宝石骨料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，陶瓷窑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20%。
实施例2
一种陶瓷窑用耐火涂抹料，它包括如下重量份数的组分：3-1mm莫来石骨料40份、1-0mm红柱石骨料7份、0.5-0mm焦宝石骨料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。所述铝酸盐水泥为纯铝酸钙水泥。 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，陶瓷窑 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22%以上。
Claims (3)
1.一种陶瓷窑用耐火涂抹料，其特征在于它包括如下重量份数的组分：3-1mm莫来石骨料40份、1-0mm红柱石骨料7份、0.5-0mm焦宝石骨料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。
2.如权利要求1 所述的陶瓷窑用耐火涂抹料，其特征在于：所述铝酸盐水泥的铝含量为50%以上。
3.如权利要求1 所述的陶瓷窑用耐火涂抹料，其特征在于：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。
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