气道位置对旋流器减少细纱毛羽效果的影响  被引量:3

Influence of airway position on reducing spun yarn hairiness with cyclone

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作  者:付玉叶 邱华[1] 葛明桥[1] 

机构地区:[1]生态纺织教育部重点实验室(江南大学),江苏无锡214122

出  处:《纺织学报》2014年第6期124-129,共6页Journal of Textile Research

基  金:教育部自主科研重点项目(JUSRP51301A)

摘  要:为进一步优化旋流器的内部结构,更好地改善成纱质量,在前期研究基础上设计了3种不同气道位置的旋流器,并且在加工气压为0~ 0.25 MPa下加工纱线.通过测定纱线的毛羽指数,并和普通环锭纺纱线进行对比,得出以下结论:当气道直径为1.4 mm,气道在纱道上的分布位置为1∶2,加工气压为0.2 MPa时,所纺纱线的毛羽指数达到最低.同时,利用流体力学计算软件ANSYS CFX对喷嘴内的气流场进行数值模拟和分析,研究气流场对纱线毛羽减少的影响机制,进一步阐明了气道位置和加工气压对喷嘴内气流场的影响.In order to further optimize the inside structure of cyclone and improve the quality of yarn,this paper designed three cyclones with different airway positions,and processed the ring spun yarn under pressure of 0-0.25 MPa.The performance index of yarn hairiness was tested,and the influence of airway position on yarn hairiness were conducted for comparison with the traditional ring spinning.The results showed that the yarn hairiness was lowest when the airway diameter was 1.4 mm,airway position was 1∶2 and the processing pressure was 0.2 MPa.Moreover,the airflow inside nozzle were simulated and analyzed by computational fluid dynamics software ANSYS CFX,and the influence mechanism of airflow on yarn hairiness reduction was discussed,and further the influence of airway position and air pressure on the airflow inside nozzle was clarified.

关 键 词:气道位置 环锭纺 旋流器 数值模拟 细纱毛羽 

分 类 号:TS104[轻工技术与工程—纺织工程]

 

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