CN106045541B - 红柱石耐火材料 - Google Patents

红柱石耐火材料 Download PDF

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CN106045541B
CN106045541B CN201610586940.2A CN201610586940A CN106045541B CN 106045541 B CN106045541 B CN 106045541B CN 201610586940 A CN201610586940 A CN 201610586940A CN 106045541 B CN106045541 B CN 106045541B
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毕玉川
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Abstract

本发明涉及一种红柱石耐火材料，属于耐火材料技术领域。所述的红柱石耐火材料，由以下质量百分数的原料制成：1‑4mm的南非红柱石15‑45％，0.1‑1mm的南非红柱石，15‑45％200mesh的红柱石细粉5‑20％，纳米粉组合份3‑5％，100‑150目的结合粘土3‑10％。本发明解决了现有技术中存在的红柱石制品常温物理性能、高温性能和热震稳定性能均下降的问题，通过在基础配方中引入了多种纳米级微粉，在制备过程中充分利用微粉在较低温度下的活性，强化基质的结合性和制品的韧性强度，能够在较低的烧成温度下提高红柱石制品的常温和高温性能。

Description

红柱石耐火材料
技术领域
本发明涉及一种红柱石耐火材料，属于耐火材料技术领域。
背景技术
红柱石制品由于具有良好的抗热震稳定性、优良的抗蠕变性能，近年来在陶瓷、冶金行业等高温领域得到了广泛的应用。红柱石制品一般采用进口或国产红柱石进行制备，由于红柱石原料矿物结构的原因，红柱石制品在高温烧结过程中会不可避免的出现起泡、溶洞、黑斑等质量问题，以国产红柱石尤其明显，俗称红柱石斑，这是红柱石制品在国际上所公认的难题，为了解决上述问题，现在国际上生产红柱石制品的工艺主要采用矾土、刚玉、莫来石等大颗粒来代替红柱石大颗粒，也有的单纯采用降低烧成温度的方式，但随着替代比例的增加和烧成温度的降低，红柱石制品的常温物理性能、高温性能、热震稳定性能会有不同程度的下降，这直接影响了产品的应用，造成使用寿命降低，严重的会造成窑炉事故。
发明内容
本发明的目的是提供一种红柱石耐火材料，解决了红柱石制品在高温烧结过程中出现的红柱石斑、制品性能下降的问题，具有常温和高温性能优良、制备工艺简单的特点。
本发明所述的红柱石耐火材料，由以下质量百分数的原料制成：
其中，所述的纳米粉组合份由以下质量百分数的原料制成；
所述的红柱石耐火材料的制备方法是将配方量的原料混合均匀，经压制成型、干燥、烧成后，得到红柱石耐火材料；其中，烧成温度为1500℃。
本发明的有益效果如下：
本发明通过在基础配方中引入了多种纳米级微粉，在制备过程中充分利用微粉在较低温度下的活性，强化基质的结合性和制品的韧性强度，能够在较低的烧成温度下提高红柱石制品的常温和高温性能。
具体实施方式
以下结合实施例对本发明做进一步描述。
实施例1
红柱石耐火材料，由以下质量百分数的原料制成：
其中，所述的纳米粉组合份由以下质量百分数的原料制成；
制备方法如下：将配方量的原料混合均匀，经压制成型、干燥、烧成后，得到红柱石耐火材料；其中，烧成温度为1500℃。检测结果见表1。
实施例2
红柱石耐火材料，由以下质量百分数的原料制成：
其中，所述的纳米粉组合份由以下质量百分数的原料制成；
制备方法如下：将配方量的原料混合均匀，经压制成型、干燥、烧成后，得到红柱石耐火材料；其中，烧成温度为1500℃。检测结果见表1。
实施例3
红柱石耐火材料，由以下质量百分数的原料制成：
其中，所述的纳米粉组合份由以下质量百分数的原料制成；
制备方法如下：将配方量的原料混合均匀，经压制成型、干燥、烧成后，得到红柱石耐火材料；其中，烧成温度为1500℃。检测结果见表1。
表1检测结果
由表1能够看出，通过在配方中添加纳米粉组合份，本发明的红柱石耐火材料在1400℃的烧成中就达到了甚至优于更高温度烧成的制品指标，同时解决了红柱石斑的问题。

Claims (1)

1.一种红柱石耐火材料，其特征在于：由以下质量百分数的原料制成：
1-4mm的南非红柱石 40%
0-1mm的南非红柱石 40%
200mesh的红柱石细粉 14%
纳米粉组合份 3%
结合粘土 3%
其中，所述的纳米粉组合份由以下质量百分数的原料制成：
氧化铝微粉 50%
微硅粉 20%
纳米级叶腊石粉 15%
纳米级膨润土粉 15%
制备方法如下：将配方量的原料混合均匀，经压制成型、干燥、烧成后，得到红柱石耐火材料，其中，烧成温度为1500℃。
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CN108083749B (zh) * 2017-12-28 2019-09-24 新疆宝安新型建材有限公司 一种含有红柱石废矿渣的加气混凝土砌块及其制备方法
CN109503181A (zh) * 2018-12-04 2019-03-22 洛阳科创新材料股份有限公司 一种还原气氛窑炉用浇注料

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101343189A (zh) * 2008-08-26 2009-01-14 巩义市五耐科技开发有限公司 高纯红柱石砖及其制备方法
CN102015578A (zh) * 2007-04-27 2011-04-13 新日本制铁株式会社 不定形耐火材料用粘合剂及不定形耐火材料
CN102432312A (zh) * 2011-09-13 2012-05-02 武汉科技大学 一种微孔莫来石-碳化硅复相耐火材料及其制备方法
CN103664153A (zh) * 2013-12-11 2014-03-26 长兴宏业高科高温耐火材料有限公司 一种高温抗蠕变莫来石-堇青石制品及其制备方法
CN104086198A (zh) * 2014-07-12 2014-10-08 瑞泰科技股份有限公司 一种玻璃窑用红柱石耐火材料及其制品

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Publication number Priority date Publication date Assignee Title
JP5290125B2 (ja) * 2008-10-24 2013-09-18 新日鐵住金株式会社 不定形耐火物用結合剤及び不定形耐火物

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102015578A (zh) * 2007-04-27 2011-04-13 新日本制铁株式会社 不定形耐火材料用粘合剂及不定形耐火材料
CN101343189A (zh) * 2008-08-26 2009-01-14 巩义市五耐科技开发有限公司 高纯红柱石砖及其制备方法
CN102432312A (zh) * 2011-09-13 2012-05-02 武汉科技大学 一种微孔莫来石-碳化硅复相耐火材料及其制备方法
CN103664153A (zh) * 2013-12-11 2014-03-26 长兴宏业高科高温耐火材料有限公司 一种高温抗蠕变莫来石-堇青石制品及其制备方法
CN104086198A (zh) * 2014-07-12 2014-10-08 瑞泰科技股份有限公司 一种玻璃窑用红柱石耐火材料及其制品

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