涤纶FDY生产线双头纺丝改造  被引量:1

Technological innovation in double-spinning process for polyester FDY

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作  者:魏媛[1] 张瑞霞 

机构地区:[1]河南纺织高等专科学校,河南郑州450007 [2]郑州银河股份有限公司,河南郑州450053

出  处:《合成纤维工业》2006年第4期61-62,共2页China Synthetic Fiber Industry

摘  要:对涤纶FDY生产线进行双头纺改造,由六头纺改为十二头纺;将喷丝孔由圆形均匀分布改为中间留有缝隙的对称两部分,丝路上导丝器、网络喷嘴相应增加1倍,每个卷绕头卷绕12个丝筒。改造后调整丝路,控制侧吹风速度0.6m/s,全部使用60目海砂,第一、二热辊温度较改造前提高5℃,拉伸倍数为2.8,纺丝顺利,生产稳定。生产68dtex/24f涤纶FDY产品的一等品率为90%,吨丝生产加工成本降低了43%。The technological innovation in double-spinning process for polyester FDY was conducted. The original 6-end spinning was transformed into 12-end spinning. The arrangement of spinneret holes was transformed from the uniform circular distribution into two symmetric parts separated with a gap. The number of yarn guides and interlacing jets was doubled along with the yarn path. Each winding end was capable of winding 12 bobbins. After the technological innovation, the first-rate percentage of 68 dtex/24 f PET FDY was 90% and the production cost was decreased by 43% with smooth spinning and steady production under the conditions of cross air speed 0.6 m/s, 60 mesh sea sand,the temperatures of the first and second heat rolls 5℃ higher than those before innovation, draw ratio 2.8.

关 键 词:聚对苯二甲酸乙二醇酯纤维 全拉伸丝 双头纺 设备 改造 

分 类 号:TQ342.2[化学工程—化纤工业]

 

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