CN113237338A - 一种铝尖晶石耐侵砖及其制备方法 - Google Patents

一种铝尖晶石耐侵砖及其制备方法 Download PDF

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CN113237338A
CN113237338A CN202110517200.4A CN202110517200A CN113237338A CN 113237338 A CN113237338 A CN 113237338A CN 202110517200 A CN202110517200 A CN 202110517200A CN 113237338 A CN113237338 A CN 113237338A
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brick
spinel
aluminum
parts
layer
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张延军
高伟峰
苗娜娜
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Zhengzhou Jinheyuan Refractory Co ltd
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Abstract

本发明涉及一种铝尖晶石耐侵砖及其制备方法，包括砖体，所述砖体的外部固定安装有降噪减震层，所述降噪减震层的外部固定安装有原砖层，所述原砖层的外部固定安装有防水层。该铝尖晶石耐侵砖及其制备方法，通过铝镁尖晶石具有抗高温的能力；高铝钢玉颗粒的硬度仅次于金刚石；高纯美砂的高温机械强度、抗渣性及体积稳定性，将之结合起来使砖体和原砖层具有具有较高的耐火度和高温抗折强度，避免原砖层外部出现剥落现象，采用高纯镁砂，烧结铝镁尖晶石主要原料,改变材料尖晶石引入的方式,经过高温烧结后此产品具有耐高温、抗侵蚀、抗热震的性能、低导热系数性能，使其能够长久使用，使之有效降温。

Description

一种铝尖晶石耐侵砖及其制备方法
技术领域
本发明涉及耐火材料技术领域，具体为一种铝尖晶石耐侵砖及其制备方法。
背景技术
铝镁尖晶石砖以镁铝尖晶石为基质，以抗热震性优于镁砖而砚长，被广泛应用于砌筑炼钢碱性平炉和电炉的炉顶等，铝镁尖晶石砖的优点是热稳定性好，在使用的过程中会与熟料反应，然后在砖的表面形成一层很薄的铝酸钙保护层，使液体不容易渗透，其抗剥落性能比直接结合镁铬砖要好。
随着铝镁尖晶石砖被广泛使用，发现铝镁尖晶石砖与镁铬砖相比较，其耐火性和抗震性还是很难达到镁铬砖的效果，使之使用寿命不长久，其自身制作工艺复杂，导热系数高，不利于温度散发。
发明内容
本发明针对现有技术中存在的技术问题，提供一种铝尖晶石耐侵砖及其制备方法，解决了铝镁尖晶石砖寿命不长久和自身导热系数高的问题。
本发明解决上述技术问题的技术方案如下：一种铝尖晶石耐侵砖，包括砖体，所述砖体的外部固定安装有降噪减震层，所述降噪减震层的外部固定安装有原砖层，所述原砖层的外部固定安装有防水层。
在上述技术方案的基础上，本发明还可以做如下改进。
进一步，所述砖体的外壁与降噪减震层相贴合，所述降噪减震层的外与原砖层相贴合，所述原砖层的外壁与防水层相贴合。
进一步，所述防水层为丙烯酸防水涂料层。
进一步，所述砖体的原料和原砖层的原料均为1-3mm烧结铝镁尖晶石20-30份、铝尖晶石混合细粉30-35份、2-3mm铁铝尖晶石10-20份、0.08-1mm高纯美砂10-20份、3-5mm高铝钢玉颗粒8-12份、铁鳞粉10-15份、氯化镁溶液10-20份、碱性纸浆废液10-15份、复合结合剂20-30份。
进一步，所述降噪减震层原料为硅藻土30-40份、黄泥10-20份、碳酸氢钙8-15份、长石粉5-10份、二氧化硅12-15份、橡胶颗粒30-40份和黏土15-20份。
本发明要解决的另一技术问题是提供一种铝尖晶石耐侵砖的制备方法，包括以下步骤：
1)原料配备，将烧结铝镁尖晶石、铝尖晶石混合细粉、铁铝尖晶石、高纯美砂、高铝钢玉颗粒、铁鳞粉、氯化镁溶液、碱性纸浆废液、硅藻土、黄泥、碳酸氢钙、长石粉、二氧化硅、橡胶颗粒和黏土称重配备；
2)混合原料，将烧结铝镁尖晶石、铝尖晶石混合细粉、铁铝尖晶石、高纯美砂和高铝钢玉颗粒混合，得到混合物A，再将铁鳞粉、氯化镁溶液和碱性纸浆废液混合得到溶液B，最后将混合物A和溶液B充分混合后加入复合结合剂混合均匀，得到砖体和原砖层的基料；在黄泥和黏土中加入定量的水混合均匀，将硅藻土粉碎后进行干燥，干燥后的硅藻土粉与碳酸氢钙、长石粉、二氧化硅、橡胶颗粒混合均匀，得到混合物C，最后将混合物C、黄泥混合物和黏土混合物一起搅拌均匀，得到降噪减震层的基料；
3)压制成型，先将砖体和原砖层的基料放置入模具中压模得到砖体模型，再将之进行干燥和烧制，随后得到砖体；将砖体再次放置入模具中放入降噪减震层的基料进行压模，得到半成品，随后对其进行干燥；再一次将其放置入模具中放入砖体和原砖层的基料，进行压模，得到铝尖晶石耐侵裸砖；
4)干燥，将铝尖晶石耐侵裸砖放置在100℃下进行脱水；
5)烧制，脱水后将铝尖晶石耐侵裸砖放置于温度1550℃-1560℃下进行烧制；
6)精修成型，将烧制后的铝尖晶石耐侵裸砖表面毛刺修理干净，并对其表面喷涂丙烯酸防水涂料；
7)将铝尖晶石耐侵砖表面丙烯酸防水涂料烘干，成品制备完成。
进一步，所述复合结合剂为酚醛树脂和无水乙醇的混合溶剂。
与现有技术相比，本申请的技术方案具有以下有益技术效果：
1、该铝尖晶石耐侵砖及其制备方法，通过烧结铝镁尖晶石、铝尖晶石混合细粉、铁铝尖晶石、高纯美砂和高铝钢玉颗粒的作用，铝镁尖晶石具有抗高温的能力；高铝钢玉颗粒的硬度仅次于金刚石；高纯美砂的高温机械强度、抗渣性及体积稳定性，将之结合起来使砖体和原砖层具有具有较高的耐火度和高温抗折强度，避免原砖层外部出现剥落现象，采用高纯镁砂，烧结铝镁尖晶石主要原料,改变材料尖晶石引入的方式,经过高温烧结后此产品具有耐高温、抗侵蚀、抗热震的性能、低导热系数性能，使其能够长久使用，使之有效降温。
2、该铝尖晶石耐侵砖及其制备方法，通过硅藻土和橡胶颗粒为主要原料，使铝尖晶石耐侵砖具有抗震隔音的功效，也可将有害物质吸附，使铝尖晶石耐侵砖不仅使用更加长久，还达到了节能减排的作用。
附图说明
图1为本发明结构示意图；
图2为本发明制备流程图。
附图中，各标号所代表的部件列表如下：
1砖体、2降噪减震层、3原砖层、4防水层。
具体实施方式
以下结合附图对本发明的原理和特征进行描述，所举实例只用于解释本发明，并非用于限定本发明的范围。
实施例一：
一种铝尖晶石耐侵砖，包括砖体1，砖体1的外部固定安装有降噪减震层2，降噪减震层2的外部固定安装有原砖层3，原砖层3的外部固定安装有防水层4。
本实施例中，砖体1的外壁与降噪减震层2相贴合，降噪减震层2的外与原砖层3相贴合，原砖层3的外壁与防水层4相贴合。
本实施例中，防水层4为丙烯酸防水涂料层。
本实施例中，砖体1的原料和原砖层3的原料均为1mm烧结铝镁尖晶石20份、铝尖晶石混合细粉30份、2mm铁铝尖晶石10份、0.08mm高纯美砂10份、3mm高铝钢玉颗粒8份、铁鳞粉10份、氯化镁溶液10份、碱性纸浆废液10份、复合结合剂20份。
本实施例中，降噪减震层2原料为硅藻土30份、黄泥10份、碳酸氢钙8份、长石粉5份、二氧化硅12份、橡胶颗粒30份和黏土15份。
本发明要解决的另一技术问题是提供一种铝尖晶石耐侵砖的制备方法，包括以下步骤：
1)原料配备，将烧结铝镁尖晶石、铝尖晶石混合细粉、铁铝尖晶石、高纯美砂、高铝钢玉颗粒、铁鳞粉、氯化镁溶液、碱性纸浆废液、硅藻土、黄泥、碳酸氢钙、长石粉、二氧化硅、橡胶颗粒和黏土称重配备；
2)混合原料，将烧结铝镁尖晶石、铝尖晶石混合细粉、铁铝尖晶石、高纯美砂和高铝钢玉颗粒混合，得到混合物A，再将铁鳞粉、氯化镁溶液和碱性纸浆废液混合得到溶液B，最后将混合物A和溶液B充分混合后加入复合结合剂混合均匀，得到砖体1和原砖层3的基料；在黄泥和黏土中加入定量的水混合均匀，将硅藻土粉碎后进行干燥，干燥后的硅藻土粉与碳酸氢钙、长石粉、二氧化硅、橡胶颗粒混合均匀，得到混合物C，最后将混合物C、黄泥混合物和黏土混合物一起搅拌均匀，得到降噪减震层2的基料；
3)压制成型，先将砖体1和原砖层3的基料放置入模具中压模得到砖体1模型，再将之进行干燥和烧制，随后得到砖体1；将砖体1再次放置入模具中放入降噪减震层2的基料进行压模，得到半成品，随后对其进行干燥；再一次将其放置入模具中放入砖体1和原砖层3的基料，进行压模，得到铝尖晶石耐侵裸砖；
4)干燥，将铝尖晶石耐侵裸砖放置在100℃下进行脱水；
5)烧制，脱水后将铝尖晶石耐侵裸砖放置于温度1550℃下进行烧制；
6)精修成型，将烧制后的铝尖晶石耐侵裸砖表面毛刺修理干净，并对其表面喷涂丙烯酸防水涂料；
7)将铝尖晶石耐侵砖表面丙烯酸防水涂料烘干，成品制备完成。
本实施例中，复合结合剂为酚醛树脂和无水乙醇的混合溶剂。
实施例二：
一种铝尖晶石耐侵砖，包括砖体1，砖体1的外部固定安装有降噪减震层2，降噪减震层2的外部固定安装有原砖层3，原砖层3的外部固定安装有防水层4。
本实施例中，砖体1的外壁与降噪减震层2相贴合，降噪减震层2的外与原砖层3相贴合，原砖层3的外壁与防水层4相贴合。
本实施例中，防水层4为丙烯酸防水涂料层。
本实施例中，砖体1的原料和原砖层3的原料均为2mm烧结铝镁尖晶石25份、铝尖晶石混合细粉32.5份、2.5mm铁铝尖晶石15份、0.54mm高纯美砂10份、4mm高铝钢玉颗粒10份、铁鳞粉12.5份、氯化镁溶液15份、碱性纸浆废液12.5份、复合结合剂25份。
本实施例中，降噪减震层2原料为硅藻土35份、黄泥15份、碳酸氢钙11.5份、长石粉7.5份、二氧化硅13.5份、橡胶颗粒35份和黏土17.5份。
本发明要解决的另一技术问题是提供一种铝尖晶石耐侵砖的制备方法，包括以下步骤：
1)原料配备，将烧结铝镁尖晶石、铝尖晶石混合细粉、铁铝尖晶石、高纯美砂、高铝钢玉颗粒、铁鳞粉、氯化镁溶液、碱性纸浆废液、硅藻土、黄泥、碳酸氢钙、长石粉、二氧化硅、橡胶颗粒和黏土称重配备；
2)混合原料，将烧结铝镁尖晶石、铝尖晶石混合细粉、铁铝尖晶石、高纯美砂和高铝钢玉颗粒混合，得到混合物A，再将铁鳞粉、氯化镁溶液和碱性纸浆废液混合得到溶液B，最后将混合物A和溶液B充分混合后加入复合结合剂混合均匀，得到砖体1和原砖层3的基料；在黄泥和黏土中加入定量的水混合均匀，将硅藻土粉碎后进行干燥，干燥后的硅藻土粉与碳酸氢钙、长石粉、二氧化硅、橡胶颗粒混合均匀，得到混合物C，最后将混合物C、黄泥混合物和黏土混合物一起搅拌均匀，得到降噪减震层2的基料；
3)压制成型，先将砖体1和原砖层3的基料放置入模具中压模得到砖体1模型，再将之进行干燥和烧制，随后得到砖体1；将砖体1再次放置入模具中放入降噪减震层2的基料进行压模，得到半成品，随后对其进行干燥；再一次将其放置入模具中放入砖体1和原砖层3的基料，进行压模，得到铝尖晶石耐侵裸砖；
4)干燥，将铝尖晶石耐侵裸砖放置在100℃下进行脱水；
5)烧制，脱水后将铝尖晶石耐侵裸砖放置于温度1555℃下进行烧制；
6)精修成型，将烧制后的铝尖晶石耐侵裸砖表面毛刺修理干净，并对其表面喷涂丙烯酸防水涂料；
7)将铝尖晶石耐侵砖表面丙烯酸防水涂料烘干，成品制备完成。
本实施例中，复合结合剂为酚醛树脂和无水乙醇的混合溶剂。
实施例三：
一种铝尖晶石耐侵砖，包括砖体1，砖体1的外部固定安装有降噪减震层2，降噪减震层2的外部固定安装有原砖层3，原砖层3的外部固定安装有防水层4。
本实施例中，砖体1的外壁与降噪减震层2相贴合，降噪减震层2的外与原砖层3相贴合，原砖层3的外壁与防水层4相贴合。
本实施例中，防水层4为丙烯酸防水涂料层。
本实施例中，砖体1的原料和原砖层3的原料均为3mm烧结铝镁尖晶石30份、铝尖晶石混合细粉35份、3mm铁铝尖晶石20份、1mm高纯美砂20份、5mm高铝钢玉颗粒12份、铁鳞粉15份、氯化镁溶液20份、碱性纸浆废液15份、复合结合剂30份。
本实施例中，降噪减震层2原料为硅藻土40份、黄泥20份、碳酸氢钙15份、长石粉10份、二氧化硅15份、橡胶颗粒40份和黏土20份。
本发明要解决的另一技术问题是提供一种铝尖晶石耐侵砖的制备方法，包括以下步骤：
1)原料配备，将烧结铝镁尖晶石、铝尖晶石混合细粉、铁铝尖晶石、高纯美砂、高铝钢玉颗粒、铁鳞粉、氯化镁溶液、碱性纸浆废液、硅藻土、黄泥、碳酸氢钙、长石粉、二氧化硅、橡胶颗粒和黏土称重配备；
2)混合原料，将烧结铝镁尖晶石、铝尖晶石混合细粉、铁铝尖晶石、高纯美砂和高铝钢玉颗粒混合，得到混合物A，再将铁鳞粉、氯化镁溶液和碱性纸浆废液混合得到溶液B，最后将混合物A和溶液B充分混合后加入复合结合剂混合均匀，得到砖体1和原砖层3的基料；在黄泥和黏土中加入定量的水混合均匀，将硅藻土粉碎后进行干燥，干燥后的硅藻土粉与碳酸氢钙、长石粉、二氧化硅、橡胶颗粒混合均匀，得到混合物C，最后将混合物C、黄泥混合物和黏土混合物一起搅拌均匀，得到降噪减震层2的基料；
3)压制成型，先将砖体1和原砖层3的基料放置入模具中压模得到砖体1模型，再将之进行干燥和烧制，随后得到砖体1；将砖体1再次放置入模具中放入降噪减震层2的基料进行压模，得到半成品，随后对其进行干燥；再一次将其放置入模具中放入砖体1和原砖层3的基料，进行压模，得到铝尖晶石耐侵裸砖；
4)干燥，将铝尖晶石耐侵裸砖放置在100℃下进行脱水；
5)烧制，脱水后将铝尖晶石耐侵裸砖放置于温度1560℃下进行烧制；
6)精修成型，将烧制后的铝尖晶石耐侵裸砖表面毛刺修理干净，并对其表面喷涂丙烯酸防水涂料；
7)将铝尖晶石耐侵砖表面丙烯酸防水涂料烘干，成品制备完成。
本实施例中，复合结合剂为酚醛树脂和无水乙醇的混合溶剂。
本发明的有益效果是：
通过烧结铝镁尖晶石、铝尖晶石混合细粉、铁铝尖晶石、高纯美砂和高铝钢玉颗粒的作用，铝镁尖晶石具有抗高温的能力；高铝钢玉颗粒的硬度仅次于金刚石；高纯美砂的高温机械强度、抗渣性及体积稳定性，将之结合起来使砖体1和原砖层3具有具有较高的耐火度和高温抗折强度，避免原砖层3外部出现剥落现象，采用高纯镁砂，烧结铝镁尖晶石主要原料,改变材料尖晶石引入的方式,经过高温烧结后此产品具有耐高温、抗侵蚀、抗热震的性能、低导热系数性能，使其能够长久使用，使之有效降温，通过硅藻土和橡胶颗粒为主要原料，使铝尖晶石耐侵砖具有抗震隔音的功效，也可将有害物质吸附，使铝尖晶石耐侵砖不仅使用更加长久，还达到了节能减排的作用，解决了铝镁尖晶石砖寿命不长久和自身导热系数高的问题。
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (7)

1.一种铝尖晶石耐侵砖，其特征在于，包括砖体(1)，所述砖体(1)的外部固定安装有降噪减震层(2)，所述降噪减震层(2)的外部固定安装有原砖层(3)，所述原砖层(3)的外部固定安装有防水层(4)。
2.根据权利要求1所述的一种铝尖晶石耐侵砖，其特征在于，所述砖体(1)的外壁与降噪减震层(2)相贴合，所述降噪减震层(2)的外与原砖层(3)相贴合，所述原砖层(3)的外壁与防水层(4)相贴合。
3.根据权利要求1所述的一种铝尖晶石耐侵砖，其特征在于，所述防水层(4)为丙烯酸防水涂料层。
4.根据权利要求1所述的一种铝尖晶石耐侵砖，其特征在于，所述砖体(1)的原料和原砖层(3)的原料均为1-3mm烧结铝镁尖晶石20-30份、铝尖晶石混合细粉30-35份、2-3mm铁铝尖晶石10-20份、0.08-1mm高纯美砂10-20份、3-5mm高铝钢玉颗粒8-12份、铁鳞粉10-15份、氯化镁溶液10-20份、碱性纸浆废液10-15份和复合结合剂20-30份。
5.根据权利要求1所述的一种铝尖晶石耐侵砖，其特征在于，所述降噪减震层(2)原料为硅藻土30-40份、黄泥10-20份、碳酸氢钙8-15份、长石粉5-10份、二氧化硅12-15份、橡胶颗粒30-40份和黏土15-20份。
6.一种铝尖晶石耐侵砖的制备方法，其特征在于，包括以下步骤：
1)原料配备，将烧结铝镁尖晶石、铝尖晶石混合细粉、铁铝尖晶石、高纯美砂、高铝钢玉颗粒、铁鳞粉、氯化镁溶液、碱性纸浆废液、硅藻土、黄泥、碳酸氢钙、长石粉、二氧化硅、橡胶颗粒和黏土称重配备；
2)混合原料，将烧结铝镁尖晶石、铝尖晶石混合细粉、铁铝尖晶石、高纯美砂和高铝钢玉颗粒混合，得到混合物A，再将铁鳞粉、氯化镁溶液和碱性纸浆废液混合得到溶液B，最后将混合物A和溶液B充分混合后加入复合结合剂混合均匀，得到砖体(1)和原砖层(3)的基料；在黄泥和黏土中加入定量的水混合均匀，将硅藻土粉碎后进行干燥，干燥后的硅藻土粉与碳酸氢钙、长石粉、二氧化硅、橡胶颗粒混合均匀，得到混合物C，最后将混合物C、黄泥混合物和黏土混合物一起搅拌均匀，得到降噪减震层(2)的基料；
3)压制成型，先将砖体(1)和原砖层(3)的基料放置入模具中压模得到砖体(1)模型，再将之进行干燥和烧制，随后得到砖体(1)；将砖体(1)再次放置入模具中放入降噪减震层(2)的基料进行压模，得到半成品，随后对其进行干燥；再一次将其放置入模具中放入砖体(1)和原砖层(3)的基料，进行压模，得到铝尖晶石耐侵裸砖；
4)干燥，将铝尖晶石耐侵裸砖放置在100℃下进行脱水；
5)烧制，脱水后将铝尖晶石耐侵裸砖放置于温度1550℃-1560℃下进行烧制；
6)精修成型，将烧制后的铝尖晶石耐侵裸砖表面毛刺修理干净，并对其表面喷涂丙烯酸防水涂料；
7)将铝尖晶石耐侵砖表面丙烯酸防水涂料烘干，成品制备完成。
7.根据权利要求6所述的一种铝尖晶石耐侵砖的制备方法，其特征在于，所述复合结合剂为酚醛树脂和无水乙醇的混合溶剂。
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