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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 13    No. 4    August 2003

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Stage-efficiency of centrifugal extractor used in nuclear industry
WU Qiu-lin(吴秋林), JING Shan(景 山),
WANG Xing-hai(王兴海), SONG Chong-li(宋崇立)

Institute of Nuclear Energy Technology,
Tsinghua University, Beijing 102201, China

Abstract:The stage-efficiency of a single-stage prototype (d70) centrifugal extractor and the cascade is tested by HNO3-Nd3+ and 30%TRPO-kerosene system. The experimental results of the single-stage centrifugal extractor show that the carryover of the two phases decreases with increasing ratio of the two flow rate and rotation rate and the stage efficiency increases with not only decreasing total flow rate but also increasing rotor speed. However, the experimental results of the cascade show that the average stage efficiency of the cascade increases with not only decreasing total flow rate but also increasing rotor speed in both three-stage mode and two-stage mode.

 

Key words: centrifugal extractor; cascade; carryover; stage efficiency

ISSN 1672-7029
CN 43-1423/U

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