| 啮合同向双螺杆挤出机单／双头螺纹元件熔体输送与混合特性的研究 |
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| 引用本文： | 韩亚南,罗兵,江波,赵锋,何明,王文飞.啮合同向双螺杆挤出机单／双头螺纹元件熔体输送与混合特性的研究[J].化工机械,2009,36(5):411-417. |
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| 作者姓名： | 韩亚南 罗兵 江波 赵锋 何明 王文飞 |
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| 作者单位： | 北京化工大学,北京市 100029 |
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| 摘 要： | 采用数值模拟和实验的方法，对啮合同向双螺杆挤出机中单／双头螺纹元件的熔体输送与混合特性进行对比。结果表明，在计量输送段放置一段单头螺纹元件时，回流量小，正向输送能力强；螺杆所受扭矩小，消耗能量少；挤出物料的耐冲击性能较高。
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| 关 键 词： | 双螺杆挤出机 单头螺纹元件 双头螺纹元件 混合特性 熔体输送 |
Researches on the Melt Transportation and the Mixing Characteristics of the Single/Double-Headed Screw Elements in Co-Rotating Twin Screw Extruders |
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| HAN Yanan,LUO Bin,JIANG Bo,ZHAO Feng,HE Ming,WANG Wenfei.Researches on the Melt Transportation and the Mixing Characteristics of the Single/Double-Headed Screw Elements in Co-Rotating Twin Screw Extruders[J].Chemical Engineering & Machinery,2009,36(5):411-417. |
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| Authors: | HAN Yanan LUO Bin JIANG Bo ZHAO Feng HE Ming WANG Wenfei |
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| Affiliation: | ( Bering University of Chemical Technology, Beijing, 100029, China) |
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| Abstract: | The melt transportation and mixing characteristics of the single/double-headed screw elements in co-rotating twin screw extruders were compared using numerical simulations and experiments.The result shows that when a single-headed element was placed at the measurement transportation,the backflow section was little,and the forward delivery capacity was strong,the torque bore by the screw was small,power consumption was little,and the impact resistance of extruded material was high. |
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| Keywords: | Twin Screw Extruder Single-Headed Screw Element Double-Headed Screw Element Mixing Characteristic Melt Transportation |
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