Applicationofthehydrocyclone separation technology inChinawas summarized. The working principle and characteristics ofthehydrocyclone separation technology wereanalyzed. The progress of this technology in miscible separation of gas-liquid, gas-solid, solid-liquid, liquid-liquidwasstudied. The key aspects and issuesabout application ofthe hydrocyclone separation werediscussed. And its promotion prospects in petroleum, chemical, environmental protection and other industries wereelaborated.%概述了旋流分离技术在我国的应用现状，分析了旋流分离技术的工作原理和工作特性，研究了此项技术在气—液、气—固、固—液、液—液等混相分离的进展，明确了旋流分离技术推广应用的关键环节及问题，阐述了在石油、化工、环保等多行业的推广前景。
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