| 不锈钢除尘灰冷固结成型影响因素研究 |
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| 引用本文： | 李超,史永林,杨凤玲,程芳琴.不锈钢除尘灰冷固结成型影响因素研究[J].太原科技,2011(12):93-94,99. |
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| 作者姓名： | 李超 史永林 杨凤玲 程芳琴 |
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| 作者单位： | 1. 山西大学资源与环境工程研究所,山西太原,030006
2. 太原钢铁有限公司技术中心,山西太原,030000 |
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| 摘 要： | 针对不锈铜除尘灰粒度细、亲水性差、难成型的特点，本文采用改性淀粉与钠基膨润土复合黏结剂对不锈钢除尘灰进行了成型试验，利用其TFe高的特点，制备出可供高炉冶炼使用的含铁团块，实现对不锈钢除尘灰的回收利用。研究了复合黏结剂添加量、闷料时间、成型压力以及成型水分等因素对成型的影响，结果表明，适宜的复合黏结剂添加量为7．5％；闷料时间为24h；成型压力为25MPa；水分为18％，制得的团块平均抗压强度达到3．3MPa以上，落下强度达到70％以上，可以满足高炉冶炼再使用。
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| 关 键 词： | 除尘灰 冷固结 成型 |
Supporting Program of Three Coal Cutters of System Mechanization Mining Face in Jia Lequan Coal Mine |
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| Hao Cheng-zhu.Supporting Program of Three Coal Cutters of System Mechanization Mining Face in Jia Lequan Coal Mine[J].Taiyuan Science and Technology,2011(12):93-94,99. |
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| Authors: | Hao Cheng-zhu |
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| Institution: | Hao Cheng-zhu( China University of Mining and Technology, Xuzhou 221116 China Management Department of Production and Technology, Taiyuan Coal Gasification Group Co., Ltd, Talyuan 030024 China) |
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| Abstract: | In this paper, according to natural conditions of No 9 coal mine in Jia Lequan, the authors put forward that three coal cutters of system mechanization mining face in order to develop the greatest potential of production, which could match performance parameter, structure parameter, room and size of working face and form of interconnection. |
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| Keywords: | coal cutter hydraulic support reasonable supporting |
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