CN111763094A - 一种碳素炉用低蠕变粘土耐火砖及其制备方法 - Google Patents

一种碳素炉用低蠕变粘土耐火砖及其制备方法 Download PDF

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CN111763094A
CN111763094A CN202010728899.4A CN202010728899A CN111763094A CN 111763094 A CN111763094 A CN 111763094A CN 202010728899 A CN202010728899 A CN 202010728899A CN 111763094 A CN111763094 A CN 111763094A
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侯书章
侯志远
魏方方
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Abstract

本发明提供一种碳素炉用低蠕变粘土耐火砖及其制备方法。所述碳素炉用低蠕变粘土耐火砖由以下重量百分比的原料制成：红柱石骨料28～32％、红柱石粉13～17％、刚玉粉8～12％、三级骨料18～22％、蓝晶石粉6～10％、三级高铝粉6～10％、结合剂7～11％。制备方法包括以下步骤：(1)原料粉碎；(2)制砖坯；(3)将制得的砖坯入窑，1460℃烧结，即得成品。本发明的碳素用低蠕变粘土耐火砖，具有荷重软化温度高、高温抗折强度高、气孔率低、抗蠕变性能好的等特点，其性能完全能满足碳素炉的使用。

Description

一种碳素炉用低蠕变粘土耐火砖及其制备方法
技术领域
本发明涉及耐火材料技术领域，具体涉及一种碳素炉用低蠕变粘土耐火砖及其制备方法。
背景技术
目前，碳素炉用的粘土耐火砖，要求制品气孔低、高强度、抗蠕变性能好的特掉。但目前的粘土耐火砖普遍存在的问题是抗蠕变性能差，为此有必要研发一种低蠕变的粘土耐火砖。
发明内容
为解决上述技术问题，本发明的目的在于提供一种碳素炉用低蠕变粘土耐火砖；同时，本发明的目的还在于提供一种上述碳素炉用低蠕变粘土耐火砖的制备方法。
为实现上述目的，本发明的碳素炉用低蠕变粘土耐火砖采用的技术方案是：所述碳素炉用低蠕变粘土耐火砖，由以下重量百分比的原料制成：红柱石骨料28～32％、红柱石粉13～17％、刚玉粉8～12％、三级骨料18～22％、蓝晶石粉6～10％、三级高铝粉6～10％、结合剂7～11％。
优选地，所述碳素炉用低蠕变粘土耐火砖，由以下重量百分比的原料制成：红柱石骨料30％、红柱石粉15％、刚玉粉10％、三级骨料20％、蓝晶石粉8％、三级高铝粉8％、结合剂9％。
优选地，所述红柱石骨料的粒径1～3mm；红柱石粉的粒径≤1mm；刚玉粉的粒径≤200目，三级骨料的粒径0.2～3mm；蓝晶石粉的粒径200～300目，三级高铝粉的粒径≤0.08mm。
优选地，所述结合剂为质量浓度为2％广西粘土泥浆。
上述碳素炉用低蠕变粘土耐火砖的制备方法，包括以下步骤：
(1)将红柱石骨料、红柱石、刚玉、三级骨料、蓝晶石、三级高铝破碎，得到粒径为1～3mm红柱石骨料，粒径≤1mm的红柱石粉的粒径≤1mm；粒径≤200目的刚玉粉，粒径为0.2～3mm三级骨料；粒径为200～300目的蓝晶石粉，粒径≤0.08mm三级高铝粉，备用；步骤
(2)将步骤(1)得到的红柱石骨料、红柱石份、刚玉份、三级骨料、蓝晶石份、三级高铝粉及结合剂加入湿碾机中，混炼均匀后出碾；
(3)在摩擦压砖机上进行成型，得到砖坯；
(4)将制得的砖坯入窑，1460℃烧结，即得成品。
本发明的有益效果：本发明的碳素用低蠕变粘土耐火砖，具有荷重软化温度高、高温抗折强度高、气孔率低、抗蠕变性能好的等特点，其性能完全能满足碳素炉的使用。
具体实施方式
下面结合具体实施例对本发明作进一步说明。
实施例1：
本实施例的碳素炉用低蠕变粘土耐火砖，由以下重量百分比的原料制成：红柱石骨料30％、红柱石粉15％、刚玉粉10％、三级骨料20％、蓝晶石粉8％、三级高铝粉8％、结合剂9％。
本实施例中，红柱石骨料的粒径1～3mm；红柱石粉的粒径≤1mm；刚玉粉的粒径≤200目，三级骨料的粒径0.2～3mm；蓝晶石粉的粒径200～300目，三级高铝粉的粒径≤0.08mm。
本实施例中，结合剂为质量浓度为2％广西粘土泥浆。
本实施例的碳素炉用低蠕变粘土耐火砖的制备方法，包括以下步骤：
(1)将红柱石骨料、红柱石、刚玉、三级骨料、蓝晶石、三级高铝破碎，得到粒径为1～3mm红柱石骨料，粒径≤1mm的红柱石粉的粒径≤1mm；粒径≤200目的刚玉粉，粒径为0.2～3mm三级骨料；粒径为200～300目的蓝晶石粉，粒径≤0.08mm三级高铝粉，备用；步骤
(2)将步骤(1)得到的红柱石骨料、红柱石份、刚玉份、三级骨料、蓝晶石份、三级高铝粉及结合剂加入湿碾机中，混炼均匀后出碾；
(3)在摩擦压砖机上进行成型，得到砖坯；
(4)将制得的砖坯入窑，1460°℃烧结，即得成品。
下表为本实施例的碳素炉用低蠕变粘土耐火砖的理化参数：
Figure BDA0002602798180000031
由上表可知，本实施例的碳素用低蠕变粘土耐火砖，具有荷重软化温度高、高温抗折强度高、气孔率低、抗蠕变性能好的等特点，其性能完全能满足碳素炉的使用。
实施例2：
本实施例的碳素炉用低蠕变粘土耐火砖，由以下重量百分比的原料制成：红柱石骨料28％、红柱石粉17％、刚玉粉8％、三级骨料22％、蓝晶石粉6％、三级高铝粉10％、结合剂7％。
本实施例中，红柱石骨料的粒径1～3mm；红柱石粉的粒径≤1mm；刚玉粉的粒径≤200目，三级骨料的粒径0.2～3mm；蓝晶石粉的粒径200～300目，三级高铝粉的粒径≤0.08mm。
本实施例中，结合剂为质量浓度为2％广西粘土泥浆。
本实施例的碳素炉用低蠕变粘土耐火砖的制备方法同实施例1。
下表为本实施例的碳素炉用低蠕变粘土耐火砖的理化参数：
Figure BDA0002602798180000041
由上表可知，本实施例的碳素用低蠕变粘土耐火砖，具有荷重软化温度高、高温抗折强度高、气孔率低、抗蠕变性能好的等特点，其性能完全能满足碳素炉的使用。
实施例3：
本实施例的碳素炉用低蠕变粘土耐火砖，由以下重量百分比的原料制成：红柱石骨料32％、红柱石粉13％、刚玉粉12％、三级骨料18％、蓝晶石粉10％、三级高铝粉6％、结合剂11％。
本实施例中，红柱石骨料的粒径1～3mm；红柱石粉的粒径≤1mm；刚玉粉的粒径≤200目，三级骨料的粒径0.2～3mm；蓝晶石粉的粒径200～300目，三级高铝粉的粒径≤0.08mm。
本实施例中，结合剂为质量浓度为2％广西粘土泥浆。
本实施例的碳素炉用低蠕变粘土耐火砖的制备方法同实施例1。
下表为本实施例的碳素炉用低蠕变粘土耐火砖的理化参数：
Figure BDA0002602798180000051
由上表可知，本实施例的碳素用低蠕变粘土耐火砖，具有荷重软化温度高、高温抗折强度高、气孔率低、抗蠕变性能好的等特点，其性能完全能满足碳素炉的使用。
最后需要说明的是：以上实施例仅用以说明本发明的技术方案而非限制，尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的宗旨和范围，其均应涵盖在本发明的权利要求的范围当中。

Claims (5)

1.一种碳素炉用低蠕变粘土耐火砖，其特征在于，由以下重量百分比的原料制成：红柱石骨料28～32％、红柱石粉13～17％、刚玉粉8～12％、三级骨料18～22％、蓝晶石粉6～10％、三级高铝粉6～10％、结合剂7～11％。
2.根据权利要求1所述的碳素炉用低蠕变粘土耐火砖，其特征在于：由以下重量百分比的原料制成：红柱石骨料30％、红柱石粉15％、刚玉粉10％、三级骨料20％、蓝晶石粉8％、三级高铝粉8％、结合剂9％。
3.根据权利要求1或2所述的碳素炉用低蠕变粘土耐火砖，其特征在于：所述红柱石骨料的粒径1～3mm；红柱石粉的粒径≤1mm；刚玉粉的粒径≤200目，三级骨料的粒径0.2～3mm；蓝晶石粉的粒径200～300目，三级高铝粉的粒径≤0.08mm。
4.根据权利要求1或2所述的碳素炉用低蠕变粘土耐火砖，其特征在于：所述结合剂为质量浓度为2％广西粘土泥浆。
5.一种如权利要求1-4任一项所述的碳素炉用低蠕变粘土耐火砖的制备方法，其特征在于,包括以下步骤：
(1)将红柱石骨料、红柱石、刚玉、三级骨料、蓝晶石、三级高铝破碎，得到粒径为1～3mm红柱石骨料，粒径≤1mm的红柱石粉的粒径≤1mm；粒径≤200目的刚玉粉，粒径为0.2～3mm三级骨料；粒径为200～300目的蓝晶石粉，粒径≤0.08mm三级高铝粉，备用；
(2)将步骤(1)得到的红柱石骨料、红柱石份、刚玉份、三级骨料、蓝晶石份、三级高铝粉及结合剂加入湿碾机中，混炼均匀后出碾；
(3)在摩擦压砖机上进行成型，得到砖坯；
(4)将制得的砖坯入窑，1460℃烧结，即得成品。
CN202010728899.4A 2020-07-23 2020-07-23 一种碳素炉用低蠕变粘土耐火砖及其制备方法 Pending CN111763094A (zh)

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