CN108558375A - 一种大高炉用长寿命主铁沟浇注料的制备方法 - Google Patents

一种大高炉用长寿命主铁沟浇注料的制备方法 Download PDF

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CN108558375A
CN108558375A CN201810510561.4A CN201810510561A CN108558375A CN 108558375 A CN108558375 A CN 108558375A CN 201810510561 A CN201810510561 A CN 201810510561A CN 108558375 A CN108558375 A CN 108558375A
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blast furnace
iron runner
preparation
powder
main iron
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佘春霞
许华
崔健健
张文
许云芬
郑韬
钱忠华
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ZHEJIANG CHANGXING BAOSHENG FURNACE CHARGE Co Ltd
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Abstract

本发明公开了一种大高炉用长寿命主铁沟浇注料的制备方法，依次包括以下工艺步骤：破碎、粉碎、细磨、搅拌、检测、包装，本发明所有的物料均经过球磨机和气流式超微粉碎机进行粉碎和细磨，粒度均匀，避免当通铁量超过8万吨之后由于细粉的原因导致的剥落，大大提高了浇注料的使用寿命，将2500m3高炉的一次性通铁量从10万吨提高到15万吨，大大提高生产效率；产品加水量少，流动值大，高温使用性能良好，热震稳定性强，高炉铁沟通铁量大和耐火材料消耗少；产品计量包装前先进行检测，保证产品合格率，避免不合格产品进厂，大大提高产品质量的稳定性。

Description

一种大高炉用长寿命主铁沟浇注料的制备方法
【技术领域】
本发明涉及耐火浇注料制备的技术领域，尤其涉及一种大高炉用长寿命主铁沟浇注料的制备方法。
【背景技术】
近年来，随着高炉冶炼技术的发展，冶炼强度不断加大，2011年全国高炉生铁已达6.28亿吨，高炉出铁沟耐火材料消耗量较大。Al2O3-SiC-C质浇注料具有强度高、耐冲刷、抗热震和使用寿命较长等特点，同时碳和碳化硅的高导热性、低膨胀率和渣非润湿性都赋予此材料体系良好的物理化学性能，从而广泛应用于高炉出铁沟***。随着高炉容积不断增大，对一次性出铁量的要求不断提高，因此，Al2O3-SiC-C质铁沟料也相应的向着高通铁量、高稳定性、大流动值的方向发展。
为进一步提高铁沟浇注料的使用性能，国内外学者纷纷通过优化基质来改善其使用性能。如专利号：CN201110044222.X“一种新型主铁沟浇注料”专利技术，公开了改性纳米碳粉取代沥青，提高其抗氧化性能和残炭率，还能改善烘烤时抗爆裂性能，但是抗热震性能不太理想；专利号：CN201210281186.3“一种大于2500m3高炉主铁沟浇注料”专利技术，公开了加入锌铝尖晶石粉、纳米级硅酸锆、氧化锆空心球并以二氧化硅溶胶悬浮液做纳米结合剂，提高了浇注料的热震稳定性，但成本也相应提高了许多，且抗氧化还没有得到很好的解决；专利号：CN201210098290.9“一种铁沟浇注料及其制备方法”专利技术，公开了用改性石墨部分代替球状沥青，提高其抗氧化性能，减少环境污染，但是高温抗折强度相应的减少。
随着冶炼技术进步的不断提高，通铁时间延长，出铁间隔时间短，增大了出铁沟耐火材料的侵蚀破坏程度，对高炉出铁沟用耐材提出了长寿命的要求。普通的浇注料所需的氧化铝微粉、碳化硅微粉粒度不够均匀，当通铁量超过8万吨之后，常常由于微粉粒度不够均匀的原因，会出现裂缝，严重的时候甚至会出现剥落，导致通铁量上不去。
因此有必要对现有技术进行改进，研发出一种大高炉用长寿命主铁沟浇注料的制备方法。
【发明内容】
本发明的目的就是解决现有技术中的问题，提出一种大高炉用长寿命主铁沟浇注料的制备方法，所有的物料均经过球磨机和气流式超微粉碎机进行粉碎和细磨，粒度均匀，避免当通铁量超过8万吨之后由于细粉的原因导致的剥落，大大提高了浇注料的使用寿命，产品加水量少，流动值大，高温使用性能良好，热震稳定性强，高炉铁沟通铁量大和耐火材料消耗少，且产品计量包装前先进行检测，保证产品合格率，大大提高产品质量的稳定性。
为实现上述目的，本发明提出了一种大高炉用长寿命主铁沟浇注料的制备方法，依次包括以下工艺步骤：
a)破碎：将配比好的棕刚玉颗粒、板状刚玉、碳化硅颗粒、铝酸盐水泥、抗氧化剂、减水剂、膨胀剂、分散剂、防爆纤维、促凝剂和水，投放到颚式破碎机进行破碎；
b)粉碎：将步骤a中破碎完成的物料加入到球磨机中，再将棕刚玉细粉、碳化硅微粉、氧化硅微粉、活性氧化铝微粉、纳米碳粉加入到球磨机中，对混合物料进行粉碎；
c)细磨：将步骤b中粉碎完成的混合物料加入到气流式超微粉碎机中进行细磨；
d)搅拌：将步骤c中细磨完成的混合物料投入到铁沟料搅拌机中进行搅拌10min～15min，使物料充分混合均匀；
e)检测：光谱仪和X射线衍射仪对步骤d搅拌完成的物料进行抽检；
f)包装：将检测合格的物料计量、包装、入库。
作为优选，所述的棕刚玉颗粒的粒度为3～5mm，所述的棕刚玉细粉的粒度为0～45μm，所述的活性氧化铝微粉的粒度为0～10μm，活性氧化铝微粉中Al2O3＞99.12wt％，所述的铝酸盐水泥为铝酸钙水泥，所述的铝酸钙水泥的粒度为0～45μm，铝酸钙水泥中Al2O3＞70.35wt％、CaO＞28.45wt％，所述的氧化硅微粉的粒度为0～10μm，氧化硅微粉中SiO2＞99.15wt％。
作为优选，所述的抗氧化剂为金属硅微粉、金属铝粉、金属镁粉中的一种或多种的混合物。
作为优选，所述的减水剂为木钙、三聚磷酸钠和聚羧酸高效减水剂的一种或几种的混合物。
作为优选，所述的膨胀剂为铝酸钙膨胀剂。
作为优选，所述的分散剂为三聚磷酸钠和六偏磷酸钠混合而成。
作为优选，所述的防爆纤维是聚氨酯类纤维。
作为优选，所述的促凝剂为碳酸锂。
作为优选，所述的步骤c中流式超微粉碎机细磨完成的混合物料的颗粒度为150目～800目。
本发明的有益效果：本发明一种大高炉用长寿命主铁沟浇注料的制备方法，所有的物料均经过球磨机和气流式超微粉碎机进行粉碎和细磨，粒度均匀，避免当通铁量超过8万吨之后由于细粉的原因导致的剥落，大大提高了浇注料的使用寿命，将2500m3高炉的一次性通铁量从10万吨提高到15万吨，大大提高生产效率；产品加水量少，流动值大，高温使用性能良好，热震稳定性强，高炉铁沟通铁量大和耐火材料消耗少；产品计量包装前先进行检测，保证产品合格率，避免不合格产品进厂，大大提高产品质量的稳定性。
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】
为使本发明的目的、技术方案和优点更加清楚明了，下面通过实施例，对本发明进行进一步详细说明。但是应该理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限制本发明的范围。此外，在以下说明中，省略了对公知结构和技术的描述，以避免不必要地混淆本发明的概念。
本发明实施例提供一种大高炉用长寿命主铁沟浇注料的制备方法，依次包括以下工艺步骤：
a)破碎：将配比好的棕刚玉颗粒、板状刚玉、碳化硅颗粒、铝酸盐水泥、抗氧化剂、减水剂、膨胀剂、分散剂、防爆纤维、促凝剂和水，投放到颚式破碎机进行破碎；
b)粉碎：将步骤a中破碎完成的物料加入到球磨机中，再将棕刚玉细粉、碳化硅微粉、氧化硅微粉、活性氧化铝微粉、纳米碳粉加入到球磨机中，对混合物料进行粉碎；
c)细磨：将步骤b中粉碎完成的混合物料加入到气流式超微粉碎机中进行细磨；
d)搅拌：将步骤c中细磨完成的混合物料投入到铁沟料搅拌机中进行搅拌10min～15min，使物料充分混合均匀；
e)检测：光谱仪和X射线衍射仪对步骤d搅拌完成的物料进行抽检；
f)包装：将检测合格的物料计量、包装、入库。
所述的棕刚玉颗粒的粒度为3～5mm，所述的棕刚玉细粉的粒度为0～45μm，所述的活性氧化铝微粉的粒度为0～10μm，活性氧化铝微粉中Al2O3＞99.12wt％，所述的铝酸盐水泥为铝酸钙水泥，所述的铝酸钙水泥的粒度为0～45μm，铝酸钙水泥中Al2O3＞70.35wt％、CaO＞28.45wt％，所述的氧化硅微粉的粒度为0～10μm，氧化硅微粉中SiO2＞99.15wt％。
所述的抗氧化剂为金属硅微粉、金属铝粉、金属镁粉中的一种或多种的混合物。所述的减水剂为木钙、三聚磷酸钠和聚羧酸高效减水剂的一种或几种的混合物。所述的膨胀剂为铝酸钙膨胀剂。所述的分散剂为三聚磷酸钠和六偏磷酸钠混合而成。所述的防爆纤维是聚氨酯类纤维。所述的促凝剂为碳酸锂。所述的步骤c中流式超微粉碎机细磨完成的混合物料的颗粒度为150目～800目。
本发明一种大高炉用长寿命主铁沟浇注料的制备方法制备的产品主要技术性能指标如下：
产品经浙江省耐火材料产品质量检验中心检测，检测报告编号：2017WTNJ0820，检测结果均符合企业标准及新产品备案书要求。
本发明一种大高炉用长寿命主铁沟浇注料的制备方法，所有的物料均经过球磨机和气流式超微粉碎机进行粉碎和细磨，粒度均匀，避免当通铁量超过8万吨之后由于细粉的原因导致的剥落，大大提高了浇注料的使用寿命，将2500m3高炉的一次性通铁量从10万吨提高到15万吨，大大提高生产效率；产品加水量少，流动值大，高温使用性能良好，热震稳定性强，高炉铁沟通铁量大和耐火材料消耗少；产品计量包装前先进行检测，保证产品合格率，避免不合格产品进厂，大大提高产品质量的稳定性。
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 (9)

1.一种大高炉用长寿命主铁沟浇注料的制备方法，其特征在于：依次包括以下工艺步骤：
a)破碎：将配比好的棕刚玉颗粒、板状刚玉、碳化硅颗粒、铝酸盐水泥、抗氧化剂、减水剂、膨胀剂、分散剂、防爆纤维、促凝剂和水，投放到颚式破碎机进行破碎；
b)粉碎：将步骤a中破碎完成的物料加入到球磨机中，再将棕刚玉细粉、碳化硅微粉、氧化硅微粉、活性氧化铝微粉、纳米碳粉加入到球磨机中，对混合物料进行粉碎；
c)细磨：将步骤b中粉碎完成的混合物料加入到气流式超微粉碎机中进行细磨；
d)搅拌：将步骤c中细磨完成的混合物料投入到铁沟料搅拌机中进行搅拌10min～15min，使物料充分混合均匀；
e)检测：光谱仪和X射线衍射仪对步骤d搅拌完成的物料进行抽检；
f)包装：将检测合格的物料计量、包装、入库。
2.如权利要求1中所述的一种大高炉用长寿命主铁沟浇注料的制备方法，其特征在于：所述的棕刚玉颗粒的粒度为3～5mm，所述的棕刚玉细粉的粒度为0～45μm，所述的活性氧化铝微粉的粒度为0～10μm，活性氧化铝微粉中Al2O3＞99.12wt％，所述的铝酸盐水泥为铝酸钙水泥，所述的铝酸钙水泥的粒度为0～45μm，铝酸钙水泥中Al2O3＞70.35wt％、CaO＞28.45wt％，所述的氧化硅微粉的粒度为0～10μm，氧化硅微粉中SiO2＞99.15wt％。
3.如权利要求1中所述的一种大高炉用长寿命主铁沟浇注料的制备方法，其特征在于：所述的抗氧化剂为金属硅微粉、金属铝粉、金属镁粉中的一种或多种的混合物。
4.如权利要求1中所述的一种大高炉用长寿命主铁沟浇注料的制备方法，其特征在于：所述的减水剂为木钙、三聚磷酸钠和聚羧酸高效减水剂的一种或几种的混合物。
5.如权利要求1中所述的一种大高炉用长寿命主铁沟浇注料的制备方法，其特征在于：所述的膨胀剂为铝酸钙膨胀剂。
6.如权利要求1中所述的一种大高炉用长寿命主铁沟浇注料的制备方法，其特征在于：所述的分散剂为三聚磷酸钠和六偏磷酸钠混合而成。
7.如权利要求1中所述的一种大高炉用长寿命主铁沟浇注料的制备方法，其特征在于：所述的防爆纤维是聚氨酯类纤维。
8.如权利要求1中所述的一种大高炉用长寿命主铁沟浇注料的制备方法，其特征在于：所述的促凝剂为碳酸锂。
9.如权利要求1中所述的一种大高炉用长寿命主铁沟浇注料的制备方法，其特征在于：所述的步骤c中流式超微粉碎机细磨完成的混合物料的颗粒度为150目～800目。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109279880A (zh) * 2018-12-05 2019-01-29 钢城集团凉山瑞海实业有限公司 炼铁高炉主铁沟耐火浇注料
CN109627018A (zh) * 2018-10-16 2019-04-16 青岛万和装饰门窗工程有限公司 一种适用于门窗的轻质耐火浇注料及其制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101805195A (zh) * 2010-03-19 2010-08-18 蒋美芳 一种喷煤管专用高性能耐磨浇注料的制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101805195A (zh) * 2010-03-19 2010-08-18 蒋美芳 一种喷煤管专用高性能耐磨浇注料的制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109627018A (zh) * 2018-10-16 2019-04-16 青岛万和装饰门窗工程有限公司 一种适用于门窗的轻质耐火浇注料及其制备方法
CN109279880A (zh) * 2018-12-05 2019-01-29 钢城集团凉山瑞海实业有限公司 炼铁高炉主铁沟耐火浇注料

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