CN111777422A - 一种环保型转炉补炉用水基大面料 - Google Patents

一种环保型转炉补炉用水基大面料 Download PDF

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CN111777422A
CN111777422A CN202010525132.1A CN202010525132A CN111777422A CN 111777422 A CN111777422 A CN 111777422A CN 202010525132 A CN202010525132 A CN 202010525132A CN 111777422 A CN111777422 A CN 111777422A
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陈东风
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Anshan Sanuo New Material Co ltd
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Abstract

本发明涉及一种环保型转炉补炉用水基大面料，其包括镁砂、结合剂、消石灰、膨润土，所述镁砂80~90份，结合剂6~10份，消石灰0.5~1份，膨润土0.5~1份。补料中加水搅拌至成粥状，将搅拌好的料倒入转炉中需要修补的位置，在800~1350℃下，烧15~25分钟，补料大面料泛红色，修补完毕。本发明比普通转炉大面补炉料烧结时间缩短30分钟左右；烧结时，无烟、无味、无有害挥发物，对人体及环境无害；在烧结的同时，可以进行喷补作业，以提高炼钢效率。

Description

一种环保型转炉补炉用水基大面料
技术领域
本发明属于冶金技术领域，特别涉及一种环保型转炉补炉用水基大面料。
背景技术
转炉是炼钢的重要设备，转炉的维护和使用寿命也是倍受关注，转炉的迎钢面、出钢面和炉底长时间处在高温状态下，并受到机械力冲击和炉渣的反复侵蚀，其结构极易遭到破坏。目前，维护转炉大多采用沥青、树脂结合的大面自流料，该料直接投入转炉内，在高温作用下，沥青和树脂融化，有较好的的流动性，但烧结时间过长，一般吨料烧结50分钟左右，使用寿命过短，一般修补一次能够使用24小时。
由于含有沥青和树脂，在高温下溶解挥发出苯、醛类化合物以及大量的烟尘，易对人体造成伤害及对环境造成污染。
本发明所提供的一种新型环保型转炉补炉用水基大面料可解决目前沥青、树脂结合大面料烧结时间过长，烧结过程中释放有毒、有黑烟、污染环境、危害人体健康、使用寿命过短等问题。
发明内容
本发明的目的在于解决上述问题，提供一种环保型转炉补炉用水基大面料，其避免在使用烧结过程中发出有害物质，环保，修补后的转炉相对使用寿命长。
为了解决上述问题，本发明采用的技术方案如下：
一种环保型转炉补炉用水基大面料，其特征在于，其包括镁砂、结合剂、消石灰、膨润土。
进一步的，所述镁砂、结合剂、消石灰、膨润土各组分的质量份数分别为：镁砂80~90份，结合剂6~10份，消石灰0.5~1份，膨润土0.5~1份。
进一步的，所述镁砂中MgO的质量百分含量不低于85%，其中镁砂粒度质量配比：颗粒大小0~1mm的镁砂25~35份，颗粒大小1~5mm的镁砂25~35份。
进一步的，所述消石灰中氢氧化钠钙的质量百分含量不低于90%。
进一步的，所述膨润土粉体颗粒大小为1~5mm 。
进一步的，所述结合剂中含有六偏磷酸钠、泡化碱、三聚磷酸钠，其中各组分的质量份数为：六偏磷酸钠3~5份，泡化碱2~3份，三聚磷酸钠1~2份。
进一步的，一种环保型转炉补炉用水基大面料的使用方法为：一种环保型转炉补炉用水基大面料中加水搅拌至成粥状，其中加水量占一种环保型转炉补炉用水基大面料的质量百分含量为7~12%，将搅拌好的料倒入转炉中需要修补的位置，在800~1350℃下，烧15~25分钟，补料大面料泛红色，修补完毕。
本发明以电熔镁砂为主要原料，消石灰、膨润土作为烧结剂，结合剂作为流化剂制备而成，其可用于转炉大面积进行修补。
与现有技术相比，本发明的有益效果：
（1）自流性能好，铺展快，附着强度大；
（2）烧结时间短，通常状况每吨料烧结时间15-25分钟，比普通转炉大面补炉料烧结时间缩短30分钟左右；
（3）抗侵蚀性能好，同等用量下，使用寿命比普通转炉大面补炉料高2-3倍以上；
（4）烧结时，无烟、无味、无有害挥发物，对人体及环境无害；
（5）由于烧结快，烧结充分，摇炉时不掉料喷溅，避免事故发生；
（5）在烧结的同时，可以进行喷补作业，以提高炼钢效率；
（6）由于不含碳，更有利于低碳钢的冶炼。
具体实施方式
下面对本发明的优选实施例进行详细阐述，以使本发明的优点和特征能更易于被本领域技术人员理解，从而对本发明的保护范围做出更为清楚明确的界定。
具体实施例一：
一种环保型转炉补炉用水基大面料其包括镁砂、结合剂、消石灰、膨润土。所述镁砂、结合剂、消石灰、膨润土各组分的质量份数分别为：镁砂80份，结合剂10份，消石灰1份，膨润土1份。
所述镁砂中MgO的质量百分含量为85%，其中镁砂粒度质量配比：颗粒大小0~1mm的镁砂35份，颗粒大小1~5mm的镁砂25份。所述消石灰中氢氧化钠钙的质量百分含量为90%。所述膨润土粉体颗粒大小为200目筛子过筛。所述结合剂中含有六偏磷酸钠、泡化碱、三聚磷酸钠，其中各组分的质量份数为：六偏磷酸钠5份，泡化碱3份，三聚磷酸钠2份。
本具体实施例的具体操作过程为，先将镁砂、结合剂按照上述质量配比分别各自配制好，然后称取镁砂、结合剂、消石灰、膨润土，将上述物料混合搅拌均匀，即得到一种环保型转炉补炉用水基大面料。本具体实施例所采用的六偏磷酸钠、泡化碱、三聚磷酸钠均为工业级的，其六偏磷酸钠、泡化碱、三聚磷酸钠质量百分含量不低于90%。
一种环保型转炉补炉用水基大面料的使用方法为：搅拌机中加入水，然后加入一种环保型转炉补炉用水基大面料，搅拌至成粥状，其中加水量占一种环保型转炉补炉用水基大面料的质量百分含量为12%。转炉出钢后进行除渣预处理。将搅拌好的补料倒入转炉中需要修补的位置，在800~1000℃下，烧25分钟，补料大面料泛红色，修补完毕。此时即可炼钢。
具体实施例二：
一种环保型转炉补炉用水基大面料其包括镁砂、结合剂、消石灰、膨润土。所述镁砂、结合剂、消石灰、膨润土各组分的质量份数分别为：镁砂90份，结合剂6份，消石灰0.5份，膨润土0.5份。
所述镁砂中MgO的质量百分含量90%，其中镁砂粒度质量配比：颗粒大小0~1mm的镁砂25份，颗粒大小1~5mm的镁砂35份。所述消石灰中氢氧化钠钙的质量百分含量95%。所述膨润土粉体颗粒大小为150目筛子过筛。所述结合剂中含有六偏磷酸钠、泡化碱、三聚磷酸钠，其中各组分的质量份数为：六偏磷酸钠3份，泡化碱3份，三聚磷酸钠2份。
本具体实施例的具体操作过程为，先将镁砂、结合剂按照上述质量配比分别各自配制好，然后称取镁砂、结合剂、消石灰、膨润土，将上述物料混合搅拌均匀，即得到一种环保型转炉补炉用水基大面料。本具体实施例所采用的六偏磷酸钠、泡化碱、三聚磷酸钠均为工业级的，其六偏磷酸钠、泡化碱、三聚磷酸钠质量百分含量不低于90%。
一种环保型转炉补炉用水基大面料的使用方法为：搅拌机中加入水，然后加入一种环保型转炉补炉用水基大面料，搅拌至成粥状，其中加水量占一种环保型转炉补炉用水基大面料的质量百分含量为7%。转炉出钢后进行除渣预处理。将搅拌好的料倒入转炉中需要修补的位置，在1000~1350℃下，烧15分钟，补料大面料泛红色，修补完毕。
具体实施例三：
一种环保型转炉补炉用水基大面料其包括镁砂、结合剂、消石灰、膨润土。所述镁砂、结合剂、消石灰、膨润土各组分的质量份数分别为：镁砂85份，结合剂8份，消石灰0.5份，膨润土0.5份。
所述镁砂中MgO的质量百分含量为95%，其中镁砂粒度质量配比：颗粒大小0~1mm的镁砂35份，颗粒大小1~5mm的镁砂35份。所述消石灰中氢氧化钠钙的质量百分含量95%。所述膨润土粉体颗粒大小为170目过筛。所述结合剂中含有六偏磷酸钠、泡化碱、三聚磷酸钠，其中各组分的质量份数为：六偏磷酸钠4份，泡化碱3份，三聚磷酸钠2份。
本具体实施例的具体操作过程为，先将镁砂、结合剂按照上述质量配比分别各自配制好，然后称取镁砂、结合剂、消石灰、膨润土，将上述物料混合搅拌均匀，即得到一种环保型转炉补炉用水基大面料。本具体实施例所采用的六偏磷酸钠、泡化碱、三聚磷酸钠均为工业级的，其六偏磷酸钠、泡化碱、三聚磷酸钠质量百分含量不低于90%。
一种环保型转炉补炉用水基大面料的使用方法为：搅拌机中加入水，然后加入一种环保型转炉补炉用水基大面料，搅拌至成粥状，其中加水量占一种环保型转炉补炉用水基大面料的质量百分含量为10%。转炉出钢后进行除渣预处理。将搅拌好的补料倒入转炉中需要修补的位置，在1000~1350℃下，烧20分钟，补料大面料泛红色，修补完毕。此时即可炼钢。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中的描述仅为本发明的优选例，本发明并不受上述优选例的限制，在不脱离本发明精神和范围的前提下，本发明还可有各种变化和改进，这些变化和改进都落入本发明要求保护的范围内。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (7)

1.一种环保型转炉补炉用水基大面料，其特征在于，其包括镁砂、结合剂、消石灰、膨润土。
2.根据权利要求1所述一种环保型转炉补炉用水基大面料，其特征在于，所述镁砂、结合剂、消石灰、膨润土各组分的质量份数分别为：镁砂80~90份，结合剂6~10份，消石灰0.5~1份，膨润土0.5~1份。
3.根据权利要求1所述一种环保型转炉补炉用水基大面料，其特征在于，所述镁砂中MgO的质量百分含量不低于85%，其中镁砂粒度质量配比：颗粒大小0~1mm的镁砂25~35份，颗粒大小1~5mm的镁砂25~35份。
4.根据权利要求1所述一种环保型转炉补炉用水基大面料，其特征在于，所述消石灰中氢氧化钠钙的质量百分含量不低于90%。
5.根据权利要求1所述一种环保型转炉补炉用水基大面料，其特征在于，所述膨润土粉体颗粒大小为1~5mm 。
6.根据权利要求1所述一种环保型转炉补炉用水基大面料，其特征在于，所述结合剂中含有六偏磷酸钠、泡化碱、三聚磷酸钠，其中各组分的质量份数为：六偏磷酸钠3~5份，泡化碱2~3份，三聚磷酸钠1~2份。
7.根据权利要求1所述一种环保型转炉补炉用水基大面料，其特征在于，一种环保型转炉补炉用水基大面料的使用方法为：一种环保型转炉补炉用水基大面料中加水搅拌至成粥状，其中加水量占水基大面料的质量百分含量为7~12%，将搅拌好的料倒入转炉中需要修补的位置，在800~1350℃下，烧15~25分钟，补料大面料泛红色，修补完毕。
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