煤种和焦炭对造气炉料层透气性的影响研究
TD989%TF526; 为克服喷吹煤粉给高炉冶炼带来的不利影响,提出了由造气炉燃烧普通煤产生煤气,自风口喷入高炉替代喷吹煤粉的新工艺,研究了煤种、焦炭添加和煤块粒度对造气炉料层透气性的影响,结果表明:烟煤对炉内料层透气性的影响较大,而无烟煤影响较小;随着无烟煤配比的增加,炉内最大压差逐渐降低,透气性变好,当烟煤和无烟煤的比例为7∶3时,料层的透气性最好;焦炭加入量的增多,使得炉料开始收缩的温度升高,但炉内压差变化很小,对料层透气性影响不大;随着炉料粒度的增大,料层透气性明显改善,适宜的炉料粒度为10 ～ 12.5 mm....
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| Published in: | 矿产综合利用 no. 6; pp. 150 - 17 |
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| Main Authors: | , , , |
| Format: | Journal Article |
| Language: | Chinese |
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华北理工大学冶金与能源学院,教育部现代冶金技术重点实验室,河北唐山063009%河钢集团邯钢公司,河北邯郸,056000
01-12-2019
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| Abstract | TD989%TF526; 为克服喷吹煤粉给高炉冶炼带来的不利影响,提出了由造气炉燃烧普通煤产生煤气,自风口喷入高炉替代喷吹煤粉的新工艺,研究了煤种、焦炭添加和煤块粒度对造气炉料层透气性的影响,结果表明:烟煤对炉内料层透气性的影响较大,而无烟煤影响较小;随着无烟煤配比的增加,炉内最大压差逐渐降低,透气性变好,当烟煤和无烟煤的比例为7∶3时,料层的透气性最好;焦炭加入量的增多,使得炉料开始收缩的温度升高,但炉内压差变化很小,对料层透气性影响不大;随着炉料粒度的增大,料层透气性明显改善,适宜的炉料粒度为10 ～ 12.5 mm. |
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| AbstractList | TD989%TF526; 为克服喷吹煤粉给高炉冶炼带来的不利影响,提出了由造气炉燃烧普通煤产生煤气,自风口喷入高炉替代喷吹煤粉的新工艺,研究了煤种、焦炭添加和煤块粒度对造气炉料层透气性的影响,结果表明:烟煤对炉内料层透气性的影响较大,而无烟煤影响较小;随着无烟煤配比的增加,炉内最大压差逐渐降低,透气性变好,当烟煤和无烟煤的比例为7∶3时,料层的透气性最好;焦炭加入量的增多,使得炉料开始收缩的温度升高,但炉内压差变化很小,对料层透气性影响不大;随着炉料粒度的增大,料层透气性明显改善,适宜的炉料粒度为10 ～ 12.5 mm. |
| Author | 徐庆伟 吕庆 朱二涛 刘小杰 |
| AuthorAffiliation | 华北理工大学冶金与能源学院,教育部现代冶金技术重点实验室,河北唐山063009%河钢集团邯钢公司,河北邯郸,056000 |
| AuthorAffiliation_xml | – name: 华北理工大学冶金与能源学院,教育部现代冶金技术重点实验室,河北唐山063009%河钢集团邯钢公司,河北邯郸,056000 |
| Author_FL | Xu Qingwei Lv Qing Liu Xiaojie Zhu Ertao |
| Author_FL_xml | – sequence: 1 fullname: Xu Qingwei – sequence: 2 fullname: Lv Qing – sequence: 3 fullname: Liu Xiaojie – sequence: 4 fullname: Zhu Ertao |
| Author_xml | – sequence: 1 fullname: 徐庆伟 – sequence: 2 fullname: 吕庆 – sequence: 3 fullname: 刘小杰 – sequence: 4 fullname: 朱二涛 |
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| Keywords | 焦炭 压差 高炉冶炼 粒度 料层透气性 煤种 |
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| Publisher | 华北理工大学冶金与能源学院,教育部现代冶金技术重点实验室,河北唐山063009%河钢集团邯钢公司,河北邯郸,056000 |
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| Title | 煤种和焦炭对造气炉料层透气性的影响研究 |
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