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| 木棉纤维含量对滤材柴油/水分离效率的影响 |
| Effect of Kapok Fiber Content on the Efficiency of Diesel Fuel/Water Separation Filter |
| 收稿日期：2022-01-20 |
| DOI：10.11980/j.issn.0254-508X.2022.10.006 |
| 关键词: 柴油/水分离 滤材 纤维表面性能 木棉纤维 玻璃棉纤维 |
| Key Words:diesel fuel/water separation filter fiber surface properties kapok fiber glass wool fiber |
| 基金项目: |
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| 摘要:本研究以含天然疏水木棉纤维和亲水玻璃棉纤维的自制滤材为研究对象，探究了自制滤材中木棉纤维含量对滤材柴油/水分离效率的影响，揭示了亲水和疏水纤维与乳液中水滴（Dv,50=（10±1.5）μm）的相互作用机制。研究结果表明，玻璃棉纤维有利于捕获柴油中的小水滴，木棉纤维可以影响小水滴的运动方向，增加小水滴碰撞聚结的概率；随木棉纤维含量增加，自制滤材的柴油/水分离效率先减小再增加；当木棉纤维含量80%时，滤材的柴油/水分离效率65.9%，压差0.9 kPa；且与商品滤材相比，柴油/水分离效率提高33.8%，压差降低0.7 kPa。 |
| Abstract:The hydrophobic kapok and hydrophilic glass wool fiber were used in this study to investigate the effect of kapok fiber content in self-made filter on the diesel fuel/water separation efficiency and to reveal the interaction mechanism between hydrophilic/hydrophobic fiber and water droplets（Dv， 50=10±1.5 μm）in diesel fuel. The results showed that glass wool fiber was good for capturing small water droplets in diesel fuel， and kapok fiber could influence the direction of movement of small water droplets， increasing the probability of small water droplet collision and agglomeration. As the content of kapok fiber increasing， the diesel fule/water separation efficiency of self-made filter first decreased and then increased. When the kapok fiber content was 80%， the diesel fule/water separation efficiency of self-made filter was 65.9%， and the pressure drop was 0.9 kPa. Compared with commercial filter， the separation efficiency of self-made filter increased by 33.8% and the pressure drop reduced by 0.7 kPa， respectively. |
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