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浆塔用推进器 被引量:1
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作者 姜海龙 李明芹 龚香玲 《中国造纸》 CAS 北大核心 2007年第12期75-76,共2页
介绍了新式和老式推进器的工作原理、基本结构。实践证明,改进后的新式推进器便于安装、调试、维护,且能耗低、性能稳定。
关键词 老式推进器 新式推进器 叶片 鱼类鳍形叶片 分流堆
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Online measurement of solids motion in fluidized bed reactor with different distributor for Fischer–Tropsch synthesis
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作者 Xiaolai Zhang Weixin Qian +2 位作者 Haitao Zhang Qiwen Sun Weiyong Ying 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2018年第10期2003-2008,共6页
In this paper, the distributions of particle velocity in a gas–solid fluidized bed with branched pipe distributor or circle distributor were measured by using a laser Doppler velocimetry. Our results show that, withi... In this paper, the distributions of particle velocity in a gas–solid fluidized bed with branched pipe distributor or circle distributor were measured by using a laser Doppler velocimetry. Our results show that, within a certain range of superficial gas velocity, when using circle distributor, the particle velocity is large and the distribution of the particle velocity is even more compared with the branched pipe distributor. On the basis of the amplitude of tangential movement statistics, the amplitude of tangential movement statistics(AVATMS) decreases with increasing the axial height under the appropriate superficial gas velocity. 展开更多
关键词 Fischer–Tropsch synthesis Laser Doppler velocimetry Fluidized bed
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