添加不同配比的铜尾矿PMC应用于球团制备的研究
TD989; 针对铜尾矿PMC的利用问题,开展了粒度为0.074 mm PMC精矿与司家营矿粉不同配矿比例造球对球团质量影响的研究.通过对两种矿粉进行基础性能检测可知:两种矿粉均以磁铁矿为主且二者的造球性能均较好,增加PMC精粉配比对提高成球性有利,PMC精粉同化温度、黏结相强度和连晶强度较司家营高,但其流动性指数过低.试验结果表明:当PMC配比在0.65-0.80之间变化时,随PMC的增加成球率、落下强度升高,在0.8时达到最大,爆裂温度降低,PMC配比为0.75时,球团抗压强度达到最大值.当焙烧温度在1150～1225℃之间时,不同PMC矿配比球团的抗压强度均在2000N/个以下,当焙烧温...
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| Published in: | 矿产综合利用 no. 2; pp. 86 - 90 |
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| Main Authors: | , , , , |
| Format: | Journal Article |
| Language: | Chinese |
| Published: |
华北理工大学冶金与能源学院,河北 唐山,063009
2018
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| Subjects: | |
| Online Access: | Get full text |
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| Abstract | TD989; 针对铜尾矿PMC的利用问题,开展了粒度为0.074 mm PMC精矿与司家营矿粉不同配矿比例造球对球团质量影响的研究.通过对两种矿粉进行基础性能检测可知:两种矿粉均以磁铁矿为主且二者的造球性能均较好,增加PMC精粉配比对提高成球性有利,PMC精粉同化温度、黏结相强度和连晶强度较司家营高,但其流动性指数过低.试验结果表明:当PMC配比在0.65-0.80之间变化时,随PMC的增加成球率、落下强度升高,在0.8时达到最大,爆裂温度降低,PMC配比为0.75时,球团抗压强度达到最大值.当焙烧温度在1150～1225℃之间时,不同PMC矿配比球团的抗压强度均在2000N/个以下,当焙烧温度由1225℃升高到1300℃时,随焙烧温度的升高,不同PMC配比的球团抗压强度升高,当PMC配比为0.8,焙烧温度为1300℃时球团抗压强度达到最大值2954.26N/个. |
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| AbstractList | TD989; 针对铜尾矿PMC的利用问题,开展了粒度为0.074 mm PMC精矿与司家营矿粉不同配矿比例造球对球团质量影响的研究.通过对两种矿粉进行基础性能检测可知:两种矿粉均以磁铁矿为主且二者的造球性能均较好,增加PMC精粉配比对提高成球性有利,PMC精粉同化温度、黏结相强度和连晶强度较司家营高,但其流动性指数过低.试验结果表明:当PMC配比在0.65-0.80之间变化时,随PMC的增加成球率、落下强度升高,在0.8时达到最大,爆裂温度降低,PMC配比为0.75时,球团抗压强度达到最大值.当焙烧温度在1150～1225℃之间时,不同PMC矿配比球团的抗压强度均在2000N/个以下,当焙烧温度由1225℃升高到1300℃时,随焙烧温度的升高,不同PMC配比的球团抗压强度升高,当PMC配比为0.8,焙烧温度为1300℃时球团抗压强度达到最大值2954.26N/个. |
| Abstract_FL | The influence of different ratio of PMC whose particle-size is 0.074mm and Sijiaying mineral powder on pellet quality was studied to utilize PMC.Two kinds of iron's basic properties shows that pelletizing properties of two kinds of iron ore are good while PMC is better than Sijiaying.They are all mainly composed of magnetic,PMC'assimilation temperature,bond strength and crystal property are all higher than sijiaying while PMC liquid phase flow index is lower.Results show that,when the ratio of PMC increased from 0.65 to 0.80,the pelletizing ratio and drop strength increased,when the ratio is 0.80,they all reached to the maximum,while the decrepitation temperature decreased,when the ratio is 0.75,crushing strength reached up to the maximum;When roasting temperature changed from 1150 to 1225 ℃,the compressive strength of different ratio of PMC is below 2000 N/per,while the crushing strength increased with the roasting temperature increasing,as roasting temperature increased from 1225 ℃ to 1300℃,when the ratio of PMC is 0.80 and the roasting temperature is 1300℃ the crushing strength reached the maximum 2954.26 N/per. |
| Author | 田野 兰臣臣 刘小杰 吕庆 李建鹏 |
| AuthorAffiliation | 华北理工大学冶金与能源学院,河北 唐山,063009 |
| AuthorAffiliation_xml | – name: 华北理工大学冶金与能源学院,河北 唐山,063009 |
| Author_FL | Liu Xiaojie Lv Qing Tian Ye Li Jianpeng Lan Chenchen |
| Author_FL_xml | – sequence: 1 fullname: Lv Qing – sequence: 2 fullname: Tian Ye – sequence: 3 fullname: Liu Xiaojie – sequence: 4 fullname: Li Jianpeng – sequence: 5 fullname: Lan Chenchen |
| Author_xml | – sequence: 1 fullname: 吕庆 – sequence: 2 fullname: 田野 – sequence: 3 fullname: 刘小杰 – sequence: 4 fullname: 李建鹏 – sequence: 5 fullname: 兰臣臣 |
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| DocumentTitle_FL | Study on Producing Pellets with Different Ratio of PMC |
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| Keywords | 氧化焙烧 Crushing strength 抗压强度 PMC Oxidation roasting 成球性 Pelletizing ratio |
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| PublicationTitle | 矿产综合利用 |
| PublicationTitle_FL | Multipurpose Utilization of Mineral Resources |
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| Publisher | 华北理工大学冶金与能源学院,河北 唐山,063009 |
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| Title | 添加不同配比的铜尾矿PMC应用于球团制备的研究 |
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