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港口块煤筛分工艺及设备选型
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作者 牛小惠 《中国港湾建设》 2013年第A01期45-46,64,共3页
随着国内煤炭港口的发展,煤种来源的丰富,提高煤炭质量已经成为提高企业经济效益的关键,块煤筛分已经从煤矿、选煤厂等领域进入到煤炭港口领域,文章针对黄骅筛分工程、珠海粤电工程,对港口筛分工艺及设备进行介绍和分析。
关键词 块煤筛分 香蕉筛 刮板机 筛分塔
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珠海神华粤电煤码头筛分系统安装工艺
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作者 王贵阳 《中国港湾建设》 2013年第A01期72-76,共5页
在珠海神华粤电煤码头筛分系统的安装过程中,成功地解决了振动筛、刮板机大型设备与筛分塔钢结构安装之间的矛盾。特别在工期十分紧张的情况下,合理地安排了振动筛设备与主体钢结构的安装顺序,安全高效地完成了筛分系统安装施工任务。
关键词 振动筛 筛分塔钢结构 安装施工
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Mass Transfer and Axial Mixing Characteristics in a Coalescence-Dispersion Pulsed-Sieve-Plate Extraction Column 被引量:2
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作者 唐晓津 骆广生 汪家鼎 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2004年第6期857-861,共5页
A new configuration of coalescence-dispersed pulsed-sieve-plate extraction column (CDPSEC) was developed, and the mass transfer and axial mixing characteristics were evaluated with the two-point dynamic method.The inf... A new configuration of coalescence-dispersed pulsed-sieve-plate extraction column (CDPSEC) was developed, and the mass transfer and axial mixing characteristics were evaluated with the two-point dynamic method.The influence of operation conditions was discussed with experimental results, showing that the mass transfer performance of CDPSEC mainly depends on the energy input and the holdup of dispersed phase. Higher energy input results in higher holdup of the dispersed phase, the axial mixing of the continuous phase is suppressed, and the true height of mass transfer unit decreases markedly. On the other hand, higher energy input leads to more serious forward mixing of the dispersed phase, so the energy input should be limited. Accordingly the operation conditions were divided into two regions, and empirical correlations for predicting the mass transfer and axial mixing characteristics in different regions with a satisfactory accuracy were suggested. 展开更多
关键词 mass transfer axial mixing extraction column
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