CN101993965B - 低温固渣熔块及其制备方法 - Google Patents

低温固渣熔块及其制备方法 Download PDF

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CN101993965B
CN101993965B CN201010583243A CN201010583243A CN101993965B CN 101993965 B CN101993965 B CN 101993965B CN 201010583243 A CN201010583243 A CN 201010583243A CN 201010583243 A CN201010583243 A CN 201010583243A CN 101993965 B CN101993965 B CN 101993965B
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CN101993965A (zh
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宋富贵
孙元清
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Jiangsu Romin Stainless Steel Co ltd
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SHANDONG BINGKUN TENGTAI CERAMIC TECHNOLOGY Co Ltd
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Abstract

本发明属于炉渣处理领域，涉及一种低温固渣熔块及其制备方法，由总量80％的硼镁石、硼钙石、重钙和钠长石与总量20％的叶腊石、锂长石、纯碱和水淬的碎玻璃组成，原料混合均匀后，在1300℃～1400℃的高温熔化水淬成0.5～5mm大小的颗粒即得。本发明的优点在于，一是降低炉渣温度；二是熔化后渗透进炉渣，把炉渣固化成大块，便于运输、存放；三是利用余热与炉渣进行化学反应，为以后炉渣提纯时的重新融化降低了温度并且缩短了反应时间，转化了热能。

Description

低温固渣熔块及其制备方法
技术领域
本发明属于炉渣处理领域，特别涉及一种低温固渣熔块及其制备方法。
背景技术
钢铁行业是国家的脊柱产业，在国家经济中处于举足轻重的地位。但是近一时期矿源、能源的疯狂开采，使得资源日益紧缺、匮乏，已成世界性难题。因此，如何彻底充分地利用矿源，就成了解决能源问题行之有效的办法之一。
大规模生产过后剩余的炉渣也面临众多问题：一是温度过高，需要及时运走，二是其中富含较高的铁及其他稀土成分，需要回收提炼。如何及时运输及解决存放中的尘土飞扬、占地大等问题，一直是钢铁行业的负担。所以有些企业干脆把废渣拉走掩埋，造成人力、矿物资源的浪费。
无机非金属矿源也面临一个日益紧缺的问题。建陶行业所需原料大都是白度高、含铁量低于0.3％的原料，而含铁量较高的矿物原料，大都成了矿渣。
发明内容
本发明所要解决的技术问题是利用含铁量高的低廉矿物资源，提供一种低温固渣熔块及其制备方法，用来有效处理钢铁行业中的炉渣。
本发明所述的低温固渣熔块，其特征在于由以下重量百分数的原料组成：
硼镁石            5％～30％；
硼钙石            10％～50％；
重钙              15％～40％；
钠长石            10％～30％；
叶腊石            0％～10％；
锂长石            0％～20％；
纯碱              0％～10％；
水淬的碎玻璃      0％～20％；
其中，硼镁石、硼钙石、重钙和钠长石占总量的80％，叶腊石、锂长石、纯碱和水淬的碎玻璃占总量的20％。
本发明中所述的水淬的碎玻璃细度在5mm以下，硼镁石、硼钙石、重钙、钠长石、叶腊石和锂长石粒度为60～120目。
本发明所述的低温固渣熔块的制备方法，是将原料混合均匀后，在1300℃～1400℃的高温熔化水淬成0.5～5mm大小的颗粒。该熔块产品使用时，颗粒覆盖在温度为1400℃的炉渣上面，很快熔化渗透进炉渣并发生化学反应，当炉渣温度降到600℃时，就会凝固结块。
本发明的优点在于熔化制成一种低温固渣熔块，用来覆盖到刚出炉的高温炉渣上面，一是降低炉渣温度；二是熔化后渗透进炉渣，把炉渣固化成大块，便于运输、存放；三是利用余热与炉渣进行化学反应，为以后炉渣提纯时的重新融化降低了温度并且缩短了反应时间，转化了热能。
具体实施方式
实施例见表一：
表一：(单位：kg)
将实施例1～5按照重量配比配料混合，混合均匀后，在1400℃的高温，熔化水淬成0.5～5mm大小的颗粒。该熔块产品使用时，颗粒覆盖在温度为1400℃的炉渣上面，熔化渗透进炉渣并发生化学反应，当炉渣温度降到600℃时，就会凝固结块。等重新熔化提纯时，只需加热到1000℃，就会大部分熔化，发生彻底的化学反应，利于分离提纯。实现了热量转化，节约了能源。

Claims (3)

1.一种低温固渣熔块，其特征在于由以下重量百分数的原料混合均匀后，在1300℃～1400℃的高温熔化水淬成0.5～5mm大小的颗粒：
硼镁石      5％～30％；
硼钙石      10％～50％；
重钙        15％～40％；
钠长石      10％～30％；
叶腊石      0％～10％；
锂长石      0％～20％；
纯碱        0％～10％；
水淬的碎玻璃0％～20％；
其中,硼镁石、硼钙石、重钙和钠长石占总量的80％，叶腊石、锂长石、纯碱和水淬的碎玻璃占总量的20％。
2.根据权利要求1所述的低温固渣熔块，其特征在于所述的水淬的碎玻璃细度在5mm以下，硼镁石、硼钙石、重钙、钠长石、叶腊石和锂长石粒度为60～120目。
3.一种权利要求1所述的低温固渣熔块的制备方法，其特征在于将原料混合均匀后，在1300℃～1400℃的高温熔化水淬成0.5～5mm大小的颗粒。
CN201010583243A 2010-12-10 2010-12-10 低温固渣熔块及其制备方法 Expired - Fee Related CN101993965B (zh)

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