CN105906359A - 一种环保炮泥及其制备方法 - Google Patents

一种环保炮泥及其制备方法 Download PDF

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CN105906359A
CN105906359A CN201610276578.9A CN201610276578A CN105906359A CN 105906359 A CN105906359 A CN 105906359A CN 201610276578 A CN201610276578 A CN 201610276578A CN 105906359 A CN105906359 A CN 105906359A
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environmental protection
containing aluminum
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张灿
吕雪艳
付武斌
陈要学
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ZHENGZHOU SAIWO TECH Co Ltd
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ZHENGZHOU SAIWO TECH Co Ltd
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Abstract

本发明提供一种环保炮泥及其制备方法，所述环保炮泥的各组分质量百分比配比如下，含铝骨料15～40％，焦炭2～15％，石墨1～5%，碳化硅10～25％，氮化硅铁5～20％，含铝细粉料5～20％，粘土5～15％，绢云母2～8%，高温沥青2～6%，膨胀剂2～15％，另加结合剂占上述配料总质量的15～30％。所述结合剂为热塑性酚醛树脂，避免有毒气体产生，改善了炉前作业环境，对环境友好，原料消耗低，硬化速度快，烧结时间短，并且提高了无水炮泥的开口性能和抗渣铁冲蚀性，增强了无水炮泥的耐高温铁水的冲刷和磨损性，提高了无水炮泥的质量稳定性。

Description

一种环保炮泥及其制备方法
技术领域
本发明涉及耐火材料技术领域，具体涉及一种环保炮泥及其制备方法。
背景技术
高炉炼铁是目前世界上最主要的炼铁方式，炮泥是用来封堵出铁口的耐火材料。炮泥组成可分为两部分：耐火骨料和结合剂。耐火骨料指刚玉、莫来石、焦炭和云母等材料，结合剂为水、焦油和蒽油等。炮泥按所用结合剂的不同，通常可分为有水炮泥和无水炮泥两大类。相对于有水泡泥，无水炮泥具有高温强度大、耐冲刷、抗铁水侵蚀能力强等优点。
目前高炉炮泥常用的无水炮泥的结合剂主要有煤焦油、蒽油、沥青等，使用上述结合剂生产成本低、工艺简单，但其高温下硬化速度慢，不利于快速堵口，且挥发分高，污染环境、易产生有毒气体，对操作人员身体健康有危害。
发明内容
本发明的目的是提供一种具有环境亲和性，快速加热时体积稳定性和高温粘附性好的环保炮泥及其制备方法。
为实现上述目的，本发明采用的技术方案是：
一种环保炮泥，各组分质量百分比配比如下，含铝骨料15～40％，焦炭2～15％，石墨1～5%，碳化硅10～25％，氮化硅铁5～20％，含铝细粉料5～20％，粘土5～15％，绢云母2～8%，高温沥青2～6%，膨胀剂2～15％，另加结合剂占上述配料总质量的15～30％。
所述含铝骨料为棕刚玉或铝矾土，所述铝矾土中的氧化铝含量≥80%。
所述含铝骨料的粒度为＞0.088mm且≤3mm。
所述碳化硅粒度为≥0.088mm且＜1mm。
所述含铝细粉料为棕刚玉或铝矾土，所述铝矾土中的氧化铝含量≥80%，所述含铝细粉料粒度为≤0.088mm。
所述高温沥青的软化点为105～130℃。
所述膨胀剂为蓝晶石、石英粉中的一种或者二者的混合物。
所述结合剂为热塑性酚醛树脂。
一种环保炮泥的制备方法：按照上述环保炮泥的质量百分比含量配比称取各种原料，将称取的原料从料仓下到搅拌机中干混2～5分钟，加入结合剂，再搅拌2～5分钟，然后经由定量给料机湿碾8～25分钟后，即得无水炮泥。
本发明的有益效果为：本发明采用环保结合剂，所述结合剂为热塑性酚醛树脂，避免有毒气体产生，改善了炉前作业环境，对环境友好，原料消耗低，硬化速度快，烧结时间短，并且提高了无水炮泥的开口性能和抗渣铁冲蚀性，增强了无水炮泥的耐高温铁水的冲刷和磨损性，提高了无水炮泥的质量稳定性。炮泥成品50℃的马夏值控制在0.40~0.55MPa。
具体实施方式
下面结合具体实施方式对本发明作进一步说明：
实施例1
以某钢厂2500m3高炉为例，原料配比如下：
氧化铝含量≥88%的铝矾土33％，焦炭8％，石墨3%，碳化硅18％，氮化硅铁7％，棕刚玉10％，粘土12％，绢云母4%，高温沥青2%，蓝晶石3％，另加结合剂占上述配料总质量的20％。
根据上述环保炮泥，所述铝矾土的粒度为＞0.088mm且≤3mm。所述碳化硅粒度为≥0.088mm且＜1mm。所述棕刚玉粒度为≤0.088mm。所述高温沥青的软化点为105～130℃。所述结合剂为热塑性酚醛树脂。
环保炮泥的制备方法：按照环保炮泥的质量百分比含量配比称取各种原料，将称取的原料从料仓下到搅拌机中干混2 分钟，加入结合剂，再搅拌3分钟，然后经由定量给料机湿碾10分钟后，即得无水炮泥。
实施例2
以某钢厂3200m3高炉为例，原料配比如下：
棕刚玉34％，焦炭10％，石墨5%，碳化硅15％，氮化硅铁5％，氧化铝含量≥80%的铝矾土13％，粘土8％，绢云母2%，高温沥青4%，石英粉4％，另加结合剂占上述配料总质量的18％。
根据上述环保炮泥，所述棕刚玉的粒度为＞0.088mm且≤3mm。所述碳化硅粒度为≥0.088mm且＜1mm。所述氧化铝含量≥80%的铝矾土粒度为≤0.088mm。所述高温沥青的软化点为105～130℃。所述结合剂为热塑性酚醛树脂。
环保炮泥的制备方法：按照环保炮泥的质量百分比含量配比称取各种原料，将称取的原料从料仓下到搅拌机中干混3 分钟，加入结合剂，再搅拌4分钟，然后经由定量给料机湿碾12分钟后，即得无水炮泥。
以上所述之实施例，只是本发明的较佳实施例而已，并非限制本发明实施范围，故凡依本发明专利范围所述技术方案所做的等效变化或修饰，均应包括于本发明申请专利范围内。

Claims (9)

1.一种环保炮泥，其特征在于，所述环保炮泥的各组分质量百分比配比如下，含铝骨料15～40％，焦炭2～15％，石墨1～5%，碳化硅10～25％，氮化硅铁5～20％，含铝细粉料5～20％，粘土5～15％，绢云母2～8%，高温沥青2～6%，膨胀剂2～15％，另加结合剂占上述配料总质量的15～30％。
2.根据权利要求1所述的一种环保炮泥，其特征在于，所述含铝骨料为棕刚玉或铝矾土，所述铝矾土中的氧化铝含量≥80%。
3.根据权利要求1或2所述的一种环保炮泥，其特征在于，所述含铝骨料的粒度为＞0.088mm且≤3mm。
4.根据权利要求1所述的一种环保炮泥，其特征在于，所述碳化硅粒度为≥0.088mm且＜1mm。
5.根据权利要求1所述的一种环保炮泥，其特征在于，所述含铝细粉料为棕刚玉或铝矾土，所述铝矾土中的氧化铝含量≥80%，所述含铝细粉料粒度为≤0.088mm。
6.根据权利要求1所述的一种环保炮泥，其特征在于，所述高温沥青的软化点为105～130℃。
7.根据权利要求1所述的一种环保炮泥，其特征在于，所述膨胀剂为蓝晶石、石英粉中的一种或者二者的混合物。
8.根据权利要求1所述的一种环保炮泥，其特征在于，所述结合剂为热塑性酚醛树脂。
9.根据权利要求1所述的一种环保炮泥的制备方法，其特征在于，按照权利要求1所述环保炮泥的质量百分比含量配比称取各种原料，将称取的原料从料仓下到搅拌机中干混2～5分钟，加入结合剂，再搅拌2～5分钟，然后经由定量给料机湿碾8～25分钟后，即得无水炮泥。
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CN106946554A (zh) * 2017-03-31 2017-07-14 巩义市顺祥耐材有限公司 一种无水炮泥
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CN107311681A (zh) * 2017-08-09 2017-11-03 江苏江能新材料科技有限公司 一种无烟环保炮泥及制造方法
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CN106673677A (zh) * 2016-12-26 2017-05-17 中国京冶工程技术有限公司 矿热炉用环保无水炮泥及制备方法
CN106946554A (zh) * 2017-03-31 2017-07-14 巩义市顺祥耐材有限公司 一种无水炮泥
CN107056260A (zh) * 2017-05-03 2017-08-18 巩义市宏宇耐火材料有限公司 一种用来封堵炼铁高炉出铁口的环保型无水炮泥及其制备方法
CN107311681A (zh) * 2017-08-09 2017-11-03 江苏江能新材料科技有限公司 一种无烟环保炮泥及制造方法
CN108440003A (zh) * 2018-04-25 2018-08-24 无锡市宝宜耐火材料有限公司 无水炮泥及其制备方法
CN110357573A (zh) * 2019-06-27 2019-10-22 上海宝钢工业技术服务有限公司 低苯并[a]芘型环保高炉炮泥及制备方法
CN111560487A (zh) * 2020-06-03 2020-08-21 北京首钢股份有限公司 一种高炉铁口孔道铁水喷溅的处理装置及方法
CN111718202A (zh) * 2020-07-10 2020-09-29 连云港傲润冶金材料有限公司 一种环保型铝镁铬质高性能无水炮泥及制备方法
CN112225536A (zh) * 2020-10-14 2021-01-15 内蒙古鄂尔多斯电力冶金集团股份有限公司 一种硅铁矿热炉用无水炮泥
CN112358302A (zh) * 2020-10-14 2021-02-12 内蒙古鄂尔多斯电力冶金集团股份有限公司 一种自修复无水炮泥
CN112408956A (zh) * 2020-11-23 2021-02-26 无锡市宝宜耐火材料有限公司 一种环保无水炮泥、制备工艺及预混专用装置
CN116265413A (zh) * 2021-12-16 2023-06-20 宝武装备智能科技有限公司 防喷溅高炉用炮泥材料及其制备方法
CN115321995A (zh) * 2022-06-27 2022-11-11 无锡市宝宜耐火材料有限公司 一种开口性能好的炮泥
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CN115466104A (zh) * 2022-08-31 2022-12-13 湖南湘钢瑞泰科技有限公司 一种轻质炼铁高炉用无水炮泥及其制备方法
CN116535198A (zh) * 2023-05-21 2023-08-04 广西庆荣耐火材料有限公司 一种环保型炮泥材料及其制备方法
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