莱赛尔纤维纺纱生产实践
2024-04-02 16:04:26   来源：   评论：0 点击：

  关键词：莱赛尔纤维；14.8 tex针织纱；针布；棉结；毛羽；重定量；牵伸；隔距；断头
中图分类号：TS104.2           文献标志码：B            文章编号：1001-9634(2024)02-0046-04
 
收稿日期：2022-09-26；修回日期：2023-05-09
作者简介：刘建林（1970—)，男，河南林州人，高级工程师，主要从事纺纱新工艺、新产品、新设备方面的研究。
   
Abstract:In order to solve the problems of high nep and many hairiness of lyocell fiber spinning yarn，the spinning of lyocell 14.8 tex knitting yarn is taken as an example，the process principles of each spinning process and the optimal configuration of main parameters are described in detail according to the properties of raw materials and the spinning process.The carding accessories are selected through the blowing-carding unit，the heavy weight per unit is used in the carding process and the flexible processes are applied to reduce the fiber damage，ensure carding，strengthen transfer，and reduce cotton neps and short fiber.In the drawing process，the drafting distribution is optimized，the straightness and parallelism is increased，the total drafting multiple is reduced，the evenness level is stabilized.In the roving yarn process，the roller gauge is enlarged，the drafting efficiency is improved，the drafting multiple of back zone is reduced，and the evenness level is raised.In the spinning process，the main drafting is concentrated，the roller gauge is enlarged，the drafting force fluctuation is reduced，the ring and traveler are optimized，and the yarn hairiness and the broken ends are reduced.The above measures are taken and the temperature and humidity are reasonably set.By comparing the yarn quality index before and after process optimization，it shows that after a series of process optimization measures，the workshop work is stable， the number of hairiness，broken ends and neps of lyocell 14.8 tex yarn are reduced,and the yarn quality is stable.
Key Words:lyocell fiber；14.8 tex knitting yarn；card clothing；neps；hairiness；heavy weight per unit；drafting；gauge；broken ends
 
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