CN107686363A - 一种环保型搅拌器在线修补料的制备方法 - Google Patents
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
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- 239000004927 clay Substances 0.000 claims description 4
- -1 phosphoric acid aluminum Chemical compound 0.000 claims description 4
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
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Abstract
本发明提出了一种环保型搅拌器在线修补料的制备方法,用以解决现有技术中搅拌器耐火材料废弃率高、不能二次利用的问题,一种环保型搅拌器在线修补料的制备方法,将回收后的废旧搅拌器耐火材料经拣选,破碎,水化处理,筛分,配料,湿混,即得KR搅拌器修补料。本发明具有充分利用废旧耐火材料,工艺先进,易修补的特点,能够使得废弃耐火材料得到二次利用,降低产品成本,同时节约原料资源,也降低了废弃耐火材料对环境的影响程度。
Description
技术领域
本发明涉及钢铁冶金行业中铁水脱硫预处理工艺技术领域,特别是指一种环保型KR搅拌器在线修补料的制备方法。
背景技术
KR搅拌器为钢铁冶炼工艺中铁水脱硫预处理所需的主要设备之一,KR搅拌器内部为KR搅拌器钢结构,外部浇注耐火材料,经烘烤后上线使用,使用过程中受到铁水冲刷和熔渣侵蚀作用而出现耐材部分减小,局部出现凹坑、沟槽和裂纹,为增加搅拌器使用寿命会在线根据情况对搅拌器进行热态修补。
修补所使用的为搅拌器修补料,此修补料一般为预混好,修补时按所需修补部位及损坏程度进行人工按压修补。修补料所使用主要原料为铝硅质耐火原料,其材质与搅拌器本体耐材相同。
随着脱硫效果及程度的需求提高,所用KR搅拌器数量逐渐增加,随之所用耐火材料和产生的用后废旧耐火材料也逐渐增加,而这些用后废旧的耐火材料不仅没有得到充分利用造成原料资源的浪费,同时为存放废旧耐火材料而对环境产生的不利影响也不小。
发明内容
为了解决上述问题,本发明提出一种环保型搅拌器在线修补料的制备方法。
本发明的技术方案是这样实现的:一种环保型搅拌器在线修补料的制备方法,包括如下步骤:
步骤一:将回收后的搅拌器耐火材料表面去除铁渣等杂物;
步骤二:破碎,将用后的搅拌器耐火材料破掉并进行拣选,拣选后的用后搅拌器耐火材料使用耐火材料专用破碎设备进行破碎;
步骤三:水化处理,破碎后的用后搅拌器耐火材料放于规定地点进行淋水充分润湿,然后自然晒干;
步骤四:筛分,将晒干的用后搅拌器耐火材料过筛,筛分为0-3mm的通粒度料备用;
步骤五:配料,按照如下重量百分比进行配料:用后搅拌器耐火材料70~90%,粒度为0-3,广西白泥15~25%,硅微粉3~6%,有机纤维0.1~0.3%,添加剂2~4%;
步骤六:湿混,将步骤五所述的配料在混砂机中进行混合至均匀,然后加水混合3~5分钟,加水的重量百分比为10%。
优选的,步骤四中0-3mm的所述通粒度料的铝含量≥50%。
优选的,所述添加剂为固体磷酸二氢铝和三聚磷酸钠的混合物。
优选的,所述添加剂的重量百分比为2~4%。
优选的,所述硅微粉的重量百分比为6%,所述有机纤维重量百分比为0.1%。
本发明的有益效果:
本发明不仅能够使得用后废旧KR搅拌器耐火材料得以二次利用,降低KR搅拌器在线修补料产品的原料成本,同时节约了原料资源,也降低了废弃耐火材料对环境的影响程度。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1:
一种环保型搅拌器在线修补料的制备方法,包括如下步骤:
步骤一:将回收后的搅拌器耐火材料表面去除铁渣等杂物;
步骤二:破碎,将用后搅拌器耐火材料破掉并进行拣选,拣选后的用后搅拌器耐火材料使用耐火材料专用破碎设备进行破碎;
步骤三:水化处理,破碎后的用后搅拌器耐火材料放于规定地点进行淋水充分润湿,然后自然晒干;
步骤四:筛分,将晒干的用后搅拌器耐火材料过筛,筛分为0-3mm的通粒度料备用;
步骤五:配料,按照如下重量百分比进行配料:用后搅拌器耐火材料70%,粒度为3-0,广西白泥20%,硅微粉6%,有机纤维0.1%,固体磷酸二氢铝为3.8%,三聚磷酸钠为0.1%;
步骤六:湿混,将步骤五所述的配料在混砂机中进行混合至均匀,然后加水混合4分钟,加水的重量百分比为10%。
实施例2:
一种环保型搅拌器在线修补料,其特征在于,包括如下步骤:
步骤一:将回收后的搅拌器耐火材料表面去除铁渣等杂物;
步骤二:破碎,将用后搅拌器耐火材料破掉并进行拣选,拣选后的用后搅拌器耐火材料使用耐火材料专用破碎设备进行破碎;
步骤三:水化处理,破碎后的用后搅拌器耐火材料放于规定地点进行淋水充分润湿,然后自然晒干;
步骤四:筛分,将晒干的用后搅拌器耐火材料过筛,筛分为0-3mm的通粒度料备用;
步骤五:配料,按照如下重量百分比进行配料:用后搅拌器耐火材料75%,粒度为3-0,广西白泥18%,硅微粉3%,有机纤维0.1%,固体磷酸二氢铝为3.8%,三聚磷酸钠为0.1%;
步骤六:湿混,将步骤五所述的配料在混砂机中进行混合至均匀,然后加水混合4分钟,加水的重量百分比为10%。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (5)
1.一种环保型搅拌器在线修补料的制备方法,其特征在于,包括如下步骤:
步骤一:将回收后的搅拌器耐火材料表面去除铁渣等杂物;
步骤二:破碎,将用后的搅拌器耐火材料破掉并进行拣选,拣选后的用后搅拌器耐火材料使用耐火材料专用破碎设备进行破碎;
步骤三:水化处理,破碎后的用后搅拌器耐火材料放于规定地点进行淋水充分润湿,然后自然晒干;
步骤四:筛分,将晒干的用后搅拌器耐火材料过筛,筛分为0-3mm的通粒度料备用;
步骤五:配料,按照如下重量百分比进行配料:用后搅拌器耐火材料70~90%,粒度为0-3,广西白泥15~25%,硅微粉3~6%,有机纤维0.1~0.3%,添加剂2~4%;
步骤六:湿混,将步骤五所述的配料在混砂机中进行混合至均匀,然后加水混合3~5分钟,加水的重量百分比为10%。
2.如权利要求1所述的一种环保型搅拌器在线修补料的制备方法,其特征在于:
步骤四中0-3mm的所述通粒度料的铝含量≥50%。
3.如权利要求1所述的一种环保型搅拌器在线修补料的制备方法,其特征在于:
所述添加剂为固体磷酸二氢铝和三聚磷酸钠的混合物。
4.如权利要求3所述的一种环保型搅拌器在线修补料的制备方法,其特征在于:
所述添加剂的重量百分比为2~4%。
5.如权利要求1所述的一种环保型搅拌器在线修补料的制备方法,其特征在于:
所述硅微粉的重量百分比为6%,所述有机纤维重量百分比为0.1%。
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