CN108675774A - 一种矿热炉用环保无水炮泥 - Google Patents

一种矿热炉用环保无水炮泥 Download PDF

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CN108675774A
CN108675774A CN201810631766.8A CN201810631766A CN108675774A CN 108675774 A CN108675774 A CN 108675774A CN 201810631766 A CN201810631766 A CN 201810631766A CN 108675774 A CN108675774 A CN 108675774A
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许华
张文
佘春霞
王攀
崔健健
钱忠华
郑韬
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佘春霞
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Abstract

本发明公开了一种矿热炉用环保无水炮泥,包括以下组分且各组分的质量比例为:电熔棕刚玉20~30份;棕刚玉细粉30~40份;钛白粉15~20份;硅溶胶20~30份;纳米级炭黑10~15份;分散剂3~5份;铝细粉5~9份;促凝剂4~7份;碳化硅细粉20~30份;氮化铝细粉10~15份。本发明能够使炮泥有很好的耐侵蚀性和耐冲刷性,结构强度高,使用寿命长,烘烤过程中不会产生有害气体,节能环保,利于推广。

Description

一种矿热炉用环保无水炮泥 【技术领域】
[0001] 本发明涉及耐火材料制造的技术领域,特别是一种矿热炉用环保无水炮泥的技术 领域。 【背景技术】
[0002] 高炉铁口在长期的冶炼生产中,由于长期承受冲刷和侵蚀,出铁口炉缸侧壁变薄, 形成局部异常侵蚀,铁口附近炉缸水温差、热流强度及温度较易出现偏高于正常点,导致炉 缸侧壁温度升高。炮泥除了堵出铁口和稳定出铁的作用之外,还被赋予保护炉缸、延长高炉 底部侧砖寿命的功能。无水炮泥一般以刚玉、碳化硅结合氮化硅、焦粉、结合粘土等为主要 原料,同时配加不同的外加剂,用蒽油、洗油或焦油作结合剂,耐压强度和抗折强度较差,同 时其抗氧化性和抗渣、铁侵蚀性也较差,同时也容易受热过程中放出有害气体,污染环境。 【发明内容】
[0003] 本发明的目的就是解决现有技术中的问题,提出一种矿热炉用环保无水炮泥,能 够使炮泥有很好的耐侵蚀性和耐冲刷性,结构强度高,使用寿命长,烘烤过程中不会产生有 害气体,节能环保,利于推广。
[0004] 为实现上述目的,本发明提出了一种矿热炉用环保无水炮泥,包括以下组分且各 组分的质量比例为:电熔棕刚玉20〜30份;棕刚玉细粉30〜40份;钛白粉15〜20份;硅溶胶 20〜30份;纳米级炭黑10〜15份;分散剂3〜5份;铝细粉5〜9份;促凝剂4〜7份;碳化硅细粉 20〜30份;氮化铝细粉10〜15份。
[0005]作为优选,所述分散剂由己烯基双硬脂酰胺和氧化钠按照3:1的质量份数混合而 成。
[0006] 作为优选,所述促凝剂是由硅酸钠和硅酸钾按照3:2的质量份数混合而成的混合 物。
[0007] 作为优选,所述氮化铝细粉的粒径为0.1〜0.3mm,所述碳化硅细粉的粒径为0.4〜 0.5mm,所述掠刚玉细粉由粒径为2〜3mm的掠刚玉细粉和粒径为4〜5mni的掠刚玉细粉按照 5:2的质量比例混合而成。 '
[0008]作为优选,所述各组分的质量比例为:电熔棕刚玉2〇份;棕刚玉细粉3〇份;钛白粉 15份;桂溶胶20份;纳米级炭黑10份;分散剂3份;招细粉5份;促凝剂4份;碳化硅细粉2〇份; 氮化铝细粉10份。 *
[0009]作为优选,所述各组分的质量比例为:电熔棕刚玉30份;棕刚玉细粉40份;钛白粉 20份;桂溶胶30份;纳米级炭黑15份;分散剂5份;错细粉9份;促凝剂7份;碳化硅细粉30份; 氮化招细粉15份。
[0010]作为优选,所述各组分的质量比例为:电熔棕刚玉25份;棕刚玉细粉35份;钛白粉 16份;硅溶胶25份;纳米级炭黑12份;分散剂5份;铝细粉7份;促凝剂6份;碳化硅细粉25份; 氮化铝细粉12份。 ’ L〇〇11」本发明的有益效果:本发明耐侵蚀和耐冲刷以及抗氧化性能好,使用寿命长,炮泥 的损毁速率与碳源相关,经过多次现场试验,得到了炭黑的最佳配比,使得产品的损毁速率 显^降低,采用炭黑替代,烘烤过程中不产生有害气体,产品中加入了球磨机和气流式粉碎 分离机磨出来的碳化硅细粉和棕刚玉细粉,粒度均匀,从而使产品具有很好的耐侵蚀性、耐 冲刷性,电熔棕刚玉、棕刚玉细粉、钛白粉和硅溶胶互相结合提升了炮泥的流动性,使其浇 注部位更密实,提升了结构强度,,能够使炮泥有很好的耐侵蚀性和耐冲刷性,结构强度高, 使用寿命长,烘烤过程中不会产生有害气体,节能环保,利于推广。
[0012]本发明的特征及优点将通过实施例进行详细说明。 【具体实施方式】
[0013]本发明一种矿热炉用环保无水炮泥,包括以下组分且各组分的质量比例为:电熔 棕刚玉20〜30份;棕刚玉细粉30〜40份;钛白粉15〜20份;硅溶胶20〜30份;纳米级炭黑10 〜15份;分散剂3〜5份;铝细粉5〜9份;促凝剂4〜7份;碳化硅细粉20〜30份;氮化铝细粉10 〜15份,所述分散剂由己烯基双硬脂酰胺和氧化钠按照3:1的质量份数混合而成,所述促凝 剂是由硅酸钠和硅酸钾按照3:2的质量份数混合而成的混合物,所述氮化铝细粉的粒径为 0 • 1〜0 • 3mm,所述碳化硅细粉的粒径为0 • 4〜0 • 5mm,所述棕刚玉细粉由粒径为2〜3mm的棕 刚玉细粉和粒径为4〜5mm的棕刚玉细粉按照5:2的质量比例混合而成。
[0014] 实施例一
[0015]所述各组分的质量比例为:电熔棕刚玉20份;棕刚玉细粉30份;钛白粉15份;硅溶 胶20份;纳米级炭黑1〇份;分散剂3份;铝细粉5份;促凝剂4份;碳化硅细粉20份;氮化铝细粉 10份。
[0016] 实施例二
[0017]所述各组分的质量比例为:电溶棕刚玉30份;棕刚玉细粉4〇份;钦白粉2〇份;娃溶 胶30份;纳米级炭黑15份;分散剂5份;铝细粉9份;促凝剂7份;碳化硅细粉30份;氮化招细粉 15份。
[0018] 实施例三
[0019] 所述各组分的质量比例为:电熔棕刚玉25份;棕刚玉细粉35份;钛白粉16份;娃溶 胶25份;纳米级炭黑12份;分散剂5份;错细粉7份;促凝剂6份;碳化硅细粉25份;氮化铝细粉 12份。
[0020] 上述实施例是对本发明的说明,不是对本发明的限定,任何对本发明简单变换后 的方案均属于本发明的保护范围。

Claims (7)

1. 一种矿热炉用环保无水炮泥,其特征在于:包括以下组分且各组分的质量比例为:电 熔棕刚玉20〜30份;棕刚玉细粉3〇〜40份;钛白粉15〜20份;硅溶胶20〜30份;纳米级炭黑 10〜15份;分散剂3〜5份;铝细粉5〜9份;促凝剂4〜7份;碳化硅细粉20〜30份;氮化铝细粉 10〜15份。
2. 如权利要求1所述的一种矿热炉用环保无水炮泥,其特征在于:所述分散剂由己烯基 双硬脂酰胺和氧化钠按照3:1的质量份数混合而成。
3. 如权利要求1所述的一种矿热炉用环保无水炮泥,其特征在于:所述促凝剂是由硅酸 钠和硅酸钾按照3:2的质量份数混合而成的混合物。
4. 如权利要求1所述的一种矿热炉用环保无水炮泥,其特征在于:所述氮化铝细粉的粒 径为0.1〜0.3mm,所述碳化硅细粉的粒径为0.4〜0.5mm,所述棕刚玉细粉由粒径为2〜3mm 的棕刚玉细粉和粒径为4〜5mm的棕刚玉细粉按照5:2的质量比例混合而成。
5.如权利要求1所述的一种矿热炉用环保无水炮泥,其特征在于:所述各组分的质量比 例为:电熔棕刚玉2〇份;棕刚玉细粉3〇份;钛白粉15份;硅溶胶20份;纳米级炭黑10份;分散 剂3份;铝细粉5份;促凝剂4份;碳化硅细粉20份;氮化铝细粉10份。
6.如权利要求1所述的一种矿热炉用环保无水炮泥,其特征在于:所述各组分的质量比 例为:电熔棕刚玉30份;棕刚玉细粉40份;钛白粉20份;硅溶胶30份;纳米级炭黑15份;分散 剂5份;铝细粉9份;促凝剂7份;碳化硅细粉30份;氮化铝细粉15份。
7.如权利要求1所述的一种矿热炉用环保无水炮泥,其特征在于:所述各组分的质量比 例为:电熔棕刚玉25份;棕刚玉细粉35份;钛白粉16份;硅溶胶25份;纳米级炭黑12份;分散 剂5份;铝细粉7份;促凝剂6份;碳化硅细粉25份;氮化铝细粉12份。
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CN111826489A (zh) * 2020-08-03 2020-10-27 广东韶钢松山股份有限公司 一种降低铁口区域碳砖温度的方法
CN111826489B (zh) * 2020-08-03 2022-01-11 广东韶钢松山股份有限公司 一种降低铁口区域碳砖温度的方法

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