CN108911764A - 一种快硬型高炉炉缸修复料 - Google Patents
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Abstract
本发明公开了一种快硬型高炉炉缸修复料,包括以下组分且各组分的质量比例为:硅微粉5~15份;莫来石50~70份;碳化硅细粉20~30份;炭黑粉末10~15份;棕刚玉细粉30~40份;氮化铝细粉2~5份;活性氧化铝细粉10~20份;减水剂2~10份;快凝型水泥促凝剂10~15份;分散剂2~5份。本发明能够使修复料具有耐冲刷、耐侵蚀和抗氧化性好的特点,同时浇注后能够迅速硬化成型,以利于快速脱模,有效降低铁口区域炉缸温度,保护铁口区域炉缸砖衬。
Description
【技术领域】
本发明涉及耐火材料制造的技术领域,特别是一种快硬型高炉炉缸修复料的技术领域。
【背景技术】
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。由于高炉炉前铁口煤气火大的现象始终没有得到有效的控制,而且随着时间的推移,四个铁口的煤气火都普遍增大。尽管高炉实施了定期的定修,有时采用喷补修复,进行铁口保护砖更换,制作永久砖压板和铁口脖子压浆作业等各种手段,以维持炉前正常生产。但经过多种技术措施处理后,铁口煤气火问题仍然没有得到有效的解决,炉前做泥套等作业仍存在困难。
【发明内容】
本发明的目的就是解决现有技术中的问题,提出一种快硬型高炉炉缸修复料,能够使修复料具有耐冲刷、耐侵蚀和抗氧化性好的特点,同时浇注后能够迅速硬化成型,以利于快速脱模,有效降低铁口区域炉缸温度,保护铁口区域炉缸砖衬。
为实现上述目的,本发明提出了一种快硬型高炉炉缸修复料,包括以下组分且各组分的质量比例为:硅微粉5~15份;莫来石50~70份;碳化硅细粉20~30份;炭黑粉末10~15份;棕刚玉细粉30~40份;氮化铝细粉2~5份;活性氧化铝细粉10~20份;减水剂2~10份;快凝型水泥促凝剂10~15份;分散剂2~5份。
作为优选,所述莫来石为电熔60莫来石,所述莫来石的粒径为1~3mm。
作为优选,所述碳化硅细粉的粒径为0.3~0.5mm,所述氮化硅细粉的粒径为0.5~0.8mm;所述棕刚玉细粉的粒径为0.3~0.5mm。
作为优选,所述活性氧化铝细粉为α-Al2O3细粉,所述活性氧化铝细粉的粒径为0.5~0.8mm。
作为优选,所述减水剂为磺化三聚氰胺甲醛树脂粉末。
作为优选,所述快凝型水泥促凝剂由硫酸铝和硅溶胶按照1:3的质量比例混合而成。
作为优选,所述分散剂由β-萘磺酸和木质素磺酸钙按照3:2的质量份数混合而成。
作为优选,所述各组分的质量比例为:硅微粉5份;莫来石50份;碳化硅细粉30份;炭黑粉末15份;棕刚玉细粉30份;氮化铝细粉3份;活性氧化铝细粉10份;减水剂5份;快凝型水泥促凝剂7份;分散剂3份。
作为优选,所述各组分的质量比例为:硅微粉10份;莫来石70份;碳化硅细粉30份;炭黑粉末15份;棕刚玉细粉40份;氮化铝细粉5份;活性氧化铝细粉20份;减水剂10份;快凝型水泥促凝剂15份;分散剂5份。
作为优选,所述各组分的质量比例为:硅微粉15份;莫来石60份;碳化硅细粉25份;炭黑粉末15份;棕刚玉细粉40份;氮化铝细粉5份;活性氧化铝细粉20份;减水剂2份;快凝型水泥促凝剂10份;分散剂2份。
本发明的有益效果:本产品具有耐冲刷、耐侵蚀和抗氧化性好等特点,同时浇注后能够迅速硬化成型,以利于快速脱模,容易施工,有效降低铁口区域炉缸温度,保护铁口区域炉缸砖衬,极大的提高了炉前的作业安全,可实现高炉炉缸修复料的快速施工与烘烤,提高维修效率,对高炉的安全生产、提高生产效率很有作用,并可产生较好的经济效益和社会效益。
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】
本发明一种快硬型高炉炉缸修复料,包括以下组分且各组分的质量比例为:硅微粉5~15份;莫来石50~70份;碳化硅细粉20~30份;炭黑粉末10~15份;棕刚玉细粉30~40份;氮化铝细粉2~5份;活性氧化铝细粉10~20份;减水剂2~10份;快凝型水泥促凝剂10~15份;分散剂2~5份,所述莫来石为电熔60莫来石,所述莫来石的粒径为1~3mm,所述碳化硅细粉的粒径为0.3~0.5mm,所述氮化硅细粉的粒径为0.5~0.8mm;所述棕刚玉细粉的粒径为0.3~0.5mm,所述活性氧化铝细粉为α-Al2O3细粉,所述活性氧化铝细粉的粒径为0.5~0.8mm,所述减水剂为磺化三聚氰胺甲醛树脂粉末,所述快凝型水泥促凝剂由硫酸铝和硅溶胶按照1:3的质量比例混合而成,所述分散剂由β-萘磺酸和木质素磺酸钙按照3:2的质量份数混合而成。
实施例一
所述各组分的质量比例为:硅微粉5份;莫来石50份;碳化硅细粉30份;炭黑粉末15份;棕刚玉细粉30份;氮化铝细粉3份;活性氧化铝细粉10份;减水剂5份;快凝型水泥促凝剂7份;分散剂3份。
实施例二
所述各组分的质量比例为:硅微粉10份;莫来石70份;碳化硅细粉30份;炭黑粉末15份;棕刚玉细粉40份;氮化铝细粉5份;活性氧化铝细粉20份;减水剂10份;快凝型水泥促凝剂15份;分散剂5份。
实施例三
所述各组分的质量比例为:硅微粉15份;莫来石60份;碳化硅细粉25份;炭黑粉末15份;棕刚玉细粉40份;氮化铝细粉5份;活性氧化铝细粉20份;减水剂2份;快凝型水泥促凝剂10份;分散剂2份。
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 (10)
1.一种快硬型高炉炉缸修复料,其特征在于:包括以下组分且各组分的质量比例为:硅微粉5~15份;莫来石50~70份;碳化硅细粉20~30份;炭黑粉末10~15份;棕刚玉细粉30~40份;氮化铝细粉2~5份;活性氧化铝细粉10~20份;减水剂2~10份;快凝型水泥促凝剂10~15份;分散剂2~5份。
2.如权利要求1所述的一种快硬型高炉炉缸修复料,其特征在于:所述莫来石为电熔60莫来石,所述莫来石的粒径为1~3mm。
3.如权利要求1所述的一种快硬型高炉炉缸修复料,其特征在于:所述碳化硅细粉的粒径为0.3~0.5mm,所述氮化硅细粉的粒径为0.5~0.8mm;所述棕刚玉细粉的粒径为0.3~0.5mm。
4.如权利要求1所述的一种快硬型高炉炉缸修复料,其特征在于:所述活性氧化铝细粉为α-Al2O3细粉,所述活性氧化铝细粉的粒径为0.5~0.8mm。
5.如权利要求1所述的一种快硬型高炉炉缸修复料,其特征在于:所述减水剂为磺化三聚氰胺甲醛树脂粉末。
6.如权利要求1所述的一种快硬型高炉炉缸修复料,其特征在于:所述快凝型水泥促凝剂由硫酸铝和硅溶胶按照1:3的质量比例混合而成。
7.如权利要求1所述的一种快硬型高炉炉缸修复料,其特征在于:所述分散剂由β-萘磺酸和木质素磺酸钙按照3:2的质量份数混合而成。
8.如权利要求1所述的一种快硬型高炉炉缸修复料,其特征在于:所述各组分的质量比例为:硅微粉5份;莫来石50份;碳化硅细粉30份;炭黑粉末15份;棕刚玉细粉30份;氮化铝细粉3份;活性氧化铝细粉10份;减水剂5份;快凝型水泥促凝剂7份;分散剂3份。
9.如权利要求1所述的一种快硬型高炉炉缸修复料,其特征在于:所述各组分的质量比例为:硅微粉10份;莫来石70份;碳化硅细粉30份;炭黑粉末15份;棕刚玉细粉40份;氮化铝细粉5份;活性氧化铝细粉20份;减水剂10份;快凝型水泥促凝剂15份;分散剂5份。
10.如权利要求1所述的一种快硬型高炉炉缸修复料,其特征在于:所述各组分的质量比例为:硅微粉15份;莫来石60份;碳化硅细粉25份;炭黑粉末15份;棕刚玉细粉40份;氮化铝细粉5份;活性氧化铝细粉20份;减水剂2份;快凝型水泥促凝剂10份;分散剂2份。
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CN103224400A (zh) * | 2012-06-05 | 2013-07-31 | 中冶武汉冶金建筑研究院有限公司 | 一种能耐超高风温热风常期冲刷的高炉送风支管浇注料 |
CN103073311A (zh) * | 2013-01-21 | 2013-05-01 | 东海县盛昌石英材料有限公司 | 一种摆动溜槽工作衬快补浇注料及其制备方法 |
CN104086191A (zh) * | 2014-06-26 | 2014-10-08 | 浙江锦诚耐火材料有限公司 | 一种高炉出铁沟喷补料 |
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